Kuvandudza maitiro emusika we cellulose ether

Kugadzirwa uye kushandiswa kwehydroxymethyl cellulose uye methyl cellulose uye zvazvinobva zvakaunzwa, uye kudiwa kwemusika kweramangwana kwakafanotaurwa.Zvinhu zvemakwikwi uye matambudziko muindasitiri ye cellulose ether zvakaongororwa.Mamwe mazano ekusimudzira indasitiri ye cellulose ether munyika yedu akapihwa.

Mazwi akakosha:cellulose ether;Kuongorora kwekuda kwemusika;Tsvakurudzo yemusika

1. Kuronga uye kushandiswa kwe cellulose ether

1.1 Kuronga

Cellulose ether musanganiswa wepolymer umo maatomu ehydrogen ari pa anhydrous glucose unit ye ​​cellulose anotsiviwa nealkyl kana akatsiva alkyl mapoka.Pamusoro pecheni ye cellulose polymerization.Imwe neimwe anhydrous glucose unit ine matatu hydroxyl mapoka anogona kutora chikamu mukuita kana akatsiviwa zvachose.Kukosha kweDS i3, uye dhigirii rekutsiviwa kwezvigadzirwa zvinotengeswa kubva pa0.4 kusvika 2.8.Uye kana yatsiviwa nealkenyl oxide, inogona kuumba boka idzva rehydroxyl rinogona kutsiviwa neboka rehydroxyl alkyl, saka rinogadzira cheni.Huremu hwega yega anhydrous glucose olefin oxide inotsanangurwa se molar substitution number (MS) yemukomboni.Izvo zvakakosha zvekutengesa cellulose ether zvinonyanya kutsamira pane molar mass, chimiro chemakemikari, substituent kugovera, DS uye MS ye cellulose.Zvinhu izvi zvinowanzo sanganisira kunyungudika, viscosity mune mhinduro, chiitiko chepamusoro, thermoplastic layer zvivakwa uye kugadzikana kurwisa biodegradation, kuderedzwa kwemafuta uye oxidation.Iyo viscosity mumhinduro inosiyana zvichienderana nehukama molecular mass.

Cellulose ether ine zvikamu zviviri: imwe ionic type, yakadai secarboxymethyl cellulose (CMC) uye polyanionic cellulose (PAC);Imwe mhando isiri-ionic, yakadai semethyl cellulose (MC), ethyl cellulose (EC),hydroxyethyl cellulose (HEC), hydroxypropyl methyl cellulose (HPMC) uye zvichingodaro.

1.2 Kushandisa

1.2.1 CMC

CMC is an anionic polyelectrolyte soluble mumvura inopisa uye inotonhora.Chigadzirwa chinonyanya kushandiswa chine DS renji 0.65 ~ 0.85 uye viscosity renji ye10 ~ 4 500 mPa.s.Inotengeswa mumagiredhi matatu: kuchena kwepamusoro, yepakati uye maindasitiri.Zvigadzirwa zvakachena zvakanyanya kupfuura 99.5% kuchena, nepo kuchena kwepakati kunopfuura 96%.Kuchena kwepamusoro CMC inowanzonzi cellulose chingamu, inogona kushandiswa muchikafu seyakagadzika, thickening agent uye moisturizing agent uye inoshandiswa mumishonga uye zvigadzirwa zvekutarisira zvega sechinhu chinokora, emulsifier uye viscosity control agent, kugadzirwa kwemafuta kunoshandiswawo mukuchena kwakanyanya. CMC.Zvigadzirwa zvepakati zvinonyanya kushandiswa mumucheka saizi uye mapepa ekugadzira, zvimwe zvinoshandiswa zvinosanganisira zvinonamira, ceramics, latex pendi uye wet base coatings.Indasitiri giredhi CMC ine anopfuura makumi maviri neshanu muzana sodium chloride uye sodium oxyacetic acid, iyo yaimboshandiswa zvakanyanya mukugadzira detergent uye indasitiri ine yakaderera kuchena zvinodiwa.Nekuda kwekuita kwayo kwakanaka uye kuwanda kwekushandisa, asiwo mukuenderera mberi kwekusimudzira kweminda mitsva yekushandisa, tarisiro yemusika yakakura kwazvo, kugona kukuru.

1.2.2 Nonionic cellulose ether

Inoreva kirasi ye cellulose ethers uye zvinobva kwavari izvo zvisina dissociable mapoka muzvikamu zvavo zvezvimiro.Ivo vane mashandiro arinani pane zvigadzirwa zveionic ether mukukora, emulsification, kugadzira firimu, kudzivirira kwecolloid, kuchengetedza mwando, kunamatira, anti-sensitivity uye zvichingodaro.Inoshandiswa zvakanyanya mukushandiswa kwemafuta muminda, latex coating, polymer polymerization reaction, zvekuvakisa, makemikari emazuva ese, chikafu, mishonga, kugadzira mapepa, kudhinda machira uye dhayi nemamwe maindasitiri.

Methyl cellulose uye mikuru inobuda.Hydroxypropyl methyl cellulose uye hydroxyethyl methyl cellulose haisi nonionic.Zvose zvinonyungudika mumvura inotonhora asi kwete mumvura inopisa.Kana mhinduro yavo ine aqueous ichipisa kusvika 40 ~ 70 ℃, chiitiko chegel chinooneka.Iyo tembiricha iyo gelation inoitika zvinoenderana nerudzi rwegel, kusungirirwa kwemhinduro, uye dhigirii kune mamwe mawedzero akawedzerwa.Iyo gel phenomenon inogadziriswa.

(1) HPMC uye MC.Kushandiswa kweMCS neHPMCS kunosiyana zvichienderana negiredhi: mamakisi akanaka anoshandiswa muzvokudya nemishonga;Standard giredhi inowanikwa mupende uye pendi yekubvisa, bond simende.Adhesives uye kubvisa mafuta.Mune iyo isiri-ionic cellulose ether, MC neHPMC ndiyo yakanyanya kudiwa pamusika.

Chikamu chekuvaka ndicho mutengi mukuru weHPMC/MC, anonyanya kushandiswa kugadzira dendere, kuvharisa pamusoro, mataira paste uye kuwedzera kune simende dhaka.Kunyanya, mune simende dhaka yakasanganiswa nediki HPMC inogona kutamba inonamira, kuchengetedza mvura, kunonoka coagulation uye mhepo yekubuda ropa.Zviripachena kunatsiridza simende dhaka, dhaka, adhesive zvivakwa, kutonhora kupikisa uye kupisa kupisa uye kusimba uye kugera simba.Nokudaro kuvandudza kushanda kwekuvaka kwezvinhu zvekuvaka.Kuvandudza kunaka kwekuvaka uye kugona kwekuvaka kwemakanized.Parizvino, HPMC ndiyo yega cellulose ether zvigadzirwa zvinoshandiswa mukuvaka chisimbiso zvinhu.

HPMC inogona kushandiswa semishonga excipients, akadai thickening mumiririri, dispersant, emulsifier uye firimu kugadzira mumiririri.Inogona kushandiswa seyakaputira firimu uye inonamira pamapiritsi, iyo inogona kuvandudza zvakanyanya kunyungudika kwezvinodhaka.Uye inogona kuwedzera kudzivirira kwemvura kwemapiritsi.Inogona zvakare kushandiswa seyekumiswa mumiriri, kugadzirira kweziso, inononoka uye inodzorwa kuburitsa mumiriri skeleton uye piritsi inoyangarara.

Muindasitiri yemakemikari, HPMC mubatsiri wekugadzirira kwePVC nekumisa nzira.Inoshandiswa kuchengetedza colloid, kuwedzera simba rekumisa, kugadzirisa chimiro chePVC particle size distribution;Mukugadzira machira, MC inoshandiswa seyakakora, dispersant uye stabilizer, senge firimu rekugadzira agent, thickener, emulsifier uye stabilizer mune latex coatings uye mvura-soluble resin coatings, kuitira kuti firimu rekuvhara rive nekupfeka kwakanaka kwekuramba, kupfeka yunifomu uye. adhesion, uye kuvandudza tension yepasi uye pH kugadzikana, pamwe nekuenderana kwesimbi ruvara zvinhu.

(2) EC, HEC uye CMHEM.EC chinhu chichena, chisinganhuhwi, chisina ruvara, chisina chepfu chinowanzo nyungudika muzvinonyungudutsa.Zvigadzirwa zviripo zvekutengesa zvinouya muzvikamu zviviri zveDS, 2.2 kusvika 2.3 uye 2.4 kusvika 2.6.Izvo zviri muboka re ethoxy zvinokanganisa thermodynamic zvivakwa uye kugadzikana kwekupisa kweEC.EC inonyungudika muhuwandu hukuru hwezvinonyungudutsa zveorganic pane yakafara tembiricha renji uye ine yakaderera iginition poindi.EC inogona kugadzirwa kuita resin, adhesive, inki, varnish, firimu uye zvigadzirwa zvepurasitiki.Ethyl hydroxyethyl cellulose (EHEC) ine hydroxymethyl substitution nhamba iri pedyo ne0.3, uye maitiro ayo akafanana neEC.Asi zvakare inonyungudika mune zvakachipa hydrocarbon zvinonyungudutsa (odorless parafini) uye inoshandiswa zvakanyanya mumachira epamusoro neingi.

Hydroxyethyl cellulose (HEC) inowanikwa mune chero mvura - kana mafuta-anonyungudika zvigadzirwa zvine yakakura kwazvo viscosity renji.Yayo isiri-ionic mvura inonyungudika mumvura inopisa uye inotonhora, ine huwandu hwakawanda hwekushandisa kwekutengesa, inonyanya kushandiswa mupende ye latex, kubviswa kwemafuta uye polymerization emulsion, asi inogona kushandiswa seanonamira, adhesives, cosmetics uye mishonga yekuwedzera.

Carboxymethyl hydroxyethyl cellulose (CMHEM) inogadzirwa nehydroxyethyl cellulose.Zvine hukama neCMC, hazvisi nyore kuiswa neheavy metal salts, inonyanya kushandiswa mukubvisa oiri uye mvura yekugezesa.

2. Musika wepasi rose cellulose ether

Parizvino, huwandu hwese hwekugadzira cellulose ether munyika hwakapfuura 900,000 t/a.Musika wepasi rose cellulose ether wakapfuura madhora 3.1 bhiriyoni muna 2006. Misika yemusika capitalization migove yeMC, CMC uye HEC uye zvigadzirwa zvavo zvaive 32%, 32% uye 16%, zvichiteerana.Iko kukosha kwemusika kweMC kwakafanana neiyo yeCMC.

Mushure memakore ebudiriro, musika wecellulose ether munyika dzakabudirira wakakura kwazvo, uye musika wenyika dzichiri kusimukira uchiri padanho rekukura, saka ichave iri simba guru rekukura kwepasi rose cellulose ether kushandiswa mune ramangwana. .Iko iripo CMC inokwana muUnited States i24,500 t/a, uye huwandu hwese hweimwe cellulose ether i74,200 t/a, ine huwandu hwese hwe98,700 t/a.Muna 2006, kugadzirwa kwe cellulose ether muUnited States kwaive kwe90,600 t, kugadzirwa kweCMC kwaive 18,100 t, uye kugadzirwa kweimwe cellulose ether yaive 72,500 t.Kutengeswa kunze kwenyika kwaiva matani 48,100, kunze kwenyika 37,500 matani, uye kushandiswa kunoratidzika kwakasvika matani 101,200.Cellulose kushandiswa muWestern Europe kwaiva 197,000 matani muna 2006 uye inotarisirwa kuchengetedza gore negore kukura kwe1% mumakore mashanu anotevera.Europe ndiyo mutengi mukuru we cellulose ether pasi rose, inoverengera 39% yehuwandu hwepasi rose, ichiteverwa neAsia neNorth America.CMC ndiyo inonyanya kushandiswa, inoverengera 56% yehuwandu hwekushandisa, inoteverwa nemethyl cellulose ether uye hydroxyethyl cellulose ether, inoverengera 27% uye 12% yehuwandu, zvichiteerana.Ivhareji yegore yekukura kwe cellulose ether inotarisirwa kuramba iri 4.2% kubva ku2006 kusvika ku2011. MuAsia, Japan inotarisirwa kuramba iri munharaunda isina kunaka, asi China inotarisirwa kuchengetedza chiyero chekukura kwe9%.North America neEurope, iyo ine yakanyanya kushandiswa, ichakura ne2.6% uye 2.1%, zvichiteerana.

3. Yazvino mamiriro uye budiriro maitiro eCMC indasitiri

Musika weCMC wakakamurwa kuita nhanho nhatu: yekutanga, yepakati uye yakanatswa.Musika wezvigadzirwa zvekutanga weCMC unodzorwa nemakambani akati wandei eChinese, achiteverwa neCP Kelco, Amtex naAkzo Nobel negumi neshanu muzana, gumi nemana muzana uye gumi nepfumbamwe muzana muzana.CP Kelco uye Hercules/Aqualon account ye28% uye 17% yeyakacheneswa giredhi CMC musika, zvichiteerana.Muna 2006, 69% yekumisikidzwa kweCMC yaishanda pasi rose.

3.1 United States

Ikozvino kugona kugadzira kweCMC muUnited States i24,500 t/a.Muna 2006, kukwanisa kugadzira kweCMC muUnited States kwaive 18,100 t.Vagadziri vakuru iHercules/Aqualon Company nePenn Carbose Company, ine simba rekugadzira re20,000 t/a ne4,500 t/a, zvichiteerana.Muna 2006, zvinhu zvakatengeswa kunze kwenyika zveUS zvaive matani makumi maviri nematanhatu nemazana masere, kutengeswa kunze kwenyika matani mana nemazana maviri, uye kushandiswa kuri pachena kwaive matani makumi mana nemazana manomwe.Inotarisirwa kukura paavhareji yegore negore ye1.8 muzana mumakore mashanu anotevera uye kushandiswa kunotarisirwa kusvika 45,000 matani muna 2011.

Kuchena kwepamusoro CMC (99.5%) inonyanya kushandiswa muchikafu, mishonga uye zvigadzirwa zvekuchengeta munhu, uye musanganiswa wekuchena kwepamusoro nepakati (kupfuura 96%) inonyanya kushandiswa muindasitiri yemapepa.Zvigadzirwa zvepuraimari (65% ~ 85%) zvinonyanya kushandiswa muindasitiri yekuchenesa, uye migove yemusika yasara inzvimbo yemafuta, machira uye zvichingodaro.

3.2 Western Europe

Muna 2006, Western European CMC yaive nehuremu hwe188,000 t/a, kugadzirwa kwe154,000 t, chiyero chekushanda che82%, huwandu hwekunze hwe58,000 t uye vhoriyamu ye4,000 t.MuWestern Europe, uko kukwikwidza kunotyisa, makambani mazhinji ari kuvhara mafekitori ane simba rekare, kunyanya ayo anogadzira zvinhu zvekutanga, uye kuwedzera huwandu hwekushanda kwemamwe mayuniti avo.Mushure memazuva ano, zvigadzirwa zvikuru zvakanatswa CMC uye yakakwirira-yakawedzera kukosha-yekutanga CMC zvigadzirwa.Western Europe ndiyo yakakura pasi rose cellulose ether musika uye yakakura mambure ekutengesa kunze kweCMC uye isiri-ionic cellulose ether.Mumakore achangopfuura, musika weWestern Europe wakapinda mubani, uye kukura kwe cellulose ether kushandiswa kwakaganhurirwa.

Muna 2006, kushandiswa kweCMC muWestern Europe kwaive 102,000 matani, nehuwandu hwekushandisa hunosvika madhora mazana maviri nemakumi manomwe nemashanu.Zvinotarisirwa kuchengetedza avhareji yegore rekukura kwe1% mumakore mashanu anotevera.

3.3 Japan

Muna 2005, Shikoku Chemical Company yakamisa kugadzirwa pachirimwa cheTokushima uye ikozvino kambani inopinza zvigadzirwa zveCMC kubva munyika.Mumakore gumi apfuura, huwandu hwese hweCMC muJapan hwakaramba husina kushanduka, uye mitengo yekushanda yemagiredhi akasiyana ezvigadzirwa nemitsetse yekugadzira zvakasiyana.Kugona kwezvigadzirwa zvegiredhi zvakanatswa kwawedzera, zvichiverengera makumi mapfumbamwe muzana ehuwandu hwehuwandu hweCMC.

Sezvinoonekwa kubva mukupihwa uye kudiwa kweCMC muJapan mumakore achangopfuura, chikamu chezvigadzirwa zvegiredhi zvakanatswa chiri kuwedzera gore negore, zvichiverengera 89% yezvakabuda muna 2006, izvo zvinonyanya kukonzerwa nekudiwa kwemusika kwepamusoro. kuchena zvigadzirwa.Parizvino, vagadziri vakuru vese vanopa zvigadzirwa zvezvakasiyana zvirevo, huwandu hwekutumira kunze kweJapan CMC huri kuwedzera zvishoma nezvishoma, zvinofungidzirwa kuti zviverengere hafu yezvakaburitswa, kunyanya zvinotengeswa kuUnited States, China mainland, Taiwan, Thailand neIndonesia. .Nekuda kwakasimba kubva kuchikamu chepasi rose chekudzoreredza mafuta, maitiro aya ekunze acharamba achikura mumakore mashanu anotevera.

4,isiri-ionic cellulose ether indasitiri mamiriro uye maitiro ekusimudzira

Kugadzirwa kweMC neHEC kwakadzikira, nevagadziri vatatu vachitora 90% yemugove wemusika.Kugadzirwa kweHEC ndiko kwakanyanya kutariswa, neHercules neDow accounting inodarika 65% yemusika, uye vazhinji vanogadzira cellulose ether vanoisa mune imwe kana maviri akateedzana.Hercules/Aqualon inogadzira mitsara mitatu yezvigadzirwa pamwe neHPC neEC.Muna 2006, chiyero chepasi rose chekushanda kweMC neHEC kuiswa kwaiva 73% uye 89%, zvichiteerana.

4.1 United States

Dow Wolff Masero uye Hercules/Aqualon, iwo makuru asiri-ionic cellulose ether anogadzira muUS, ane huwandu hwakasanganiswa hwekugadzira huwandu hwe78,200 t/a.Kugadzirwa kwenonionic cellulose ether muUnited States muna 2006 yaive 72,500 t.

Nonionic cellulose ether kushandiswa muUnited States muna 2006 kwaive kwe60,500 t.Pakati pavo, kushandiswa kweMC uye zvigadzirwa zvayo kwaiva 30,500 matani, uye kushandiswa kweHEC kwaiva 24,900 matani.

4.1.1 MC/HPMC

MuUnited States, Dow chete inogadzira MC/HPMC ine simba rekugadzira re28,600 t/a.Kune zvikamu zviviri, 15,000 t/a uye 13,600 t/a zvichiteerana.Nekugadzirwa kwakapoteredza 20,000 t muna 2006, Dow Chemical inobata chikamu chikuru chemusika wekuvaka, yakabatanidza Dow Wolff Cellulosics muna 2007. Yakawedzera bhizinesi rayo mumusika wekuvaka.

Parizvino, musika weMC/HPMC muUnited States wanga wakazara.Mumakore achangopfuura, kukura kwemusika kuri kunonoka.Muna 2003, kushandiswa ndeye 25,100 t, uye muna 2006, kushandiswa kwe30,500 t, iyo 60% yezvigadzirwa zvinoshandiswa mumhizha yekuvaka, inenge 16,500 t.

Maindasitiri akadai sekuvaka uye chikafu nemishonga ndiwo anotyaira eMC/HPMC musika wekuvandudza muUS, nepo kudiwa kubva kuindasitiri yepolymer kucharamba kusingachinji.

4.1.2 HEC uye CHEC

Muna 2006, kushandiswa kweHEC uye yakabva kune carboxymethyl hydroxyethyl cellulose (CMHEC) muUnited States yaiva 24,900 t.Kushandiswa kunotarisirwa kukura paavhareji yegore negore ye1.8% ne2011.

4.2 Western Europe

Western Europe inotungamira mukugadzirwa kwe cellulose ether munyika, uye zvakare inzvimbo ine yakanyanya MC/HPMC kugadzirwa uye kushandiswa.Muna 2006, kutengeswa kweWestern Europe MCS uye zvinobva kwavari (HEMCs neHPMCS) uye HECs neEHECs yaiva $419 mamiriyoni uye $166 mamiriyoni, zvichiteerana.Muna 2004, simba rekugadzira re-non-ionic cellulose ether muWestern Europe raiva 160,000 t/a.Muna 2007, kubuda kwakasvika 184,000 t/a, uye kubuda kwakasvika 159,000 t.Hvhoriyamu yekuunza kunze kwenyika yaive 20,000 t uye huwandu hwekunze hwakanga huri 85,000 t.Yayo MC/HPMC yekugadzira inokwana kusvika 100,000 t/a.

Non-ionic cellulose kushandiswa muWestern Europe kwaiva 95,000 matani muna 2006. Nhamba yose yekutengesa inosvika mamiriyoni 600 emadhora emadhora, uye kushandiswa kweMC uye zvigadzirwa zvayo, HEC, EHEC uye HPC ndeye 67,000 t, 26,000 t uye 2,000 t, maererano.Mari inoenderana nekushandisa inosvika 419 miriyoni US madhora, 166 miriyoni US madhora uye 15 miriyoni US madhora, uye avhareji yekukura kwegore ichachengetwa inosvika 2% mumakore mashanu anotevera.Muna 2011, kushandiswa kwe-non-ionic cellulose ether muWestern Europe kuchasvika 105,000 t.

Musika wekushandisa weMC / HPMC muWestern Europe wapinda mubani, saka kukura kwekushandisa kwe cellulose ether muWestern Europe kushoma mumakore achangopfuura.Kushandiswa kweMC uye zvakabuda muWestern Europe kwaive 62,000 t muna 2003 uye 67,000 t muna 2006, ichiverengera 34% yehuwandu hwekudyiwa kwe cellulose ether.Chikamu chikuru chekushandisa zvakare iindasitiri yekuvaka.

4.3 Japan

Shin-yue Chemical inotungamira pasi rose kugadzira methyl cellulose uye zvinobva mairi.Muna 2003 yakawana Clariant yeGermany;Muna 2005 yakawedzera chirimwa chayo cheNaoetsu kubva pa20,000 L/a kusvika pa23,000 t/a.Muna 2006, Shin-Yue akawedzera huwandu hweselulosi ether yeSE Tulose kubva pa26,000 t/aa kusvika pa40,000 t/a, uye iko zvino huwandu hwepagore hwebhizimusi reShin-Yue's cellulose ether pasi rose rave 63,000 t/a.Muna Kurume 2007, Shin-etsu yakamisa kugadzirwa kweselulosi kubva pachirimwa chayo cheNaoetsu nekuda kwekuputika.Kugadzirwa kwakatangazve muna Chivabvu 2007. Shin-etsu anoronga kutenga MC yezvivakwa zvekuvaka kubva kuDow nevamwe vatengesi kana zvese zvinobva kune cellulose zviripo pachirimwa.

Muna 2006, kuJapan kugadzirwa kweselulosi ether kunze kweCMC kwaive 19,900 t.Kugadzirwa kweMC, HPMC uye HEMC kwakaverengera 85% yehuwandu hwekugadzirwa.Goho reMC neHEC raive 1.69 t uye 2 100 t, zvichiteerana.Muna 2006, kushandiswa kweserosi ye-nonionic cellulose ether muJapan yaiva 11,400 t.Kubuda kweMC uye HEC ndeye 8500t uye 2000t zvakateerana.

5,iyo yemukati cellulose ether musika

5.1 Kukwanisa kugadzira

China ndiyo inogadzira pasirese uye mutengi weCMC, ine vagadziri vanopfuura makumi matatu uye avhareji yegore rinobuda kukura inopfuura 20%.Muna 2007, China yaikwanisa kugadzira CMC yaisvika 180,000 t/a uye yakabuda yaive 65,000 ~ 70,000 t.CMC inoverengera ingangoita 85% yehuwandu, uye zvigadzirwa zvayo zvinonyanya kushandiswa mukupfeka, kugadzira chikafu uye kubviswa kwemafuta asina kuchena.Mumakore achangopfuura, kudiwa kwepamba kwezvimwe zvigadzirwa zve cellulose ether kunze kweCMC kuri kuwedzera.Kunyanya, indasitiri yemishonga inoda yakakwira mhando HPMC uye MC.

Tsvagiridzo nekusimudzira uye kugadzirwa kwemaindasitiri kwenonionic cellulose ether yakatanga muna 1965. Chikamu chikuru chekutsvagisa nekusimudzira iWuxi Chemical Research and Design Institute.Mumakore achangopfuura, kutsvagisa nekusimudzira kweHPMC muLuzhou Chemical Plant uye Hui 'an Chemical Plant yakafambira mberi nekukurumidza.Zvinoenderana neongororo, mumakore achangopfuura, kudiwa kweHPMC munyika yedu kwave kukura pa15% pagore, uye mazhinji ezvigadzirwa zvekugadzira zveHPMC munyika yedu zvakavambwa muma1980 nema1990.Luzhou Chemical Plant Tianpu Fine Chemical yakatanga kutsvaga nekugadzira HPMC zvakare mukutanga 1980s, uye zvishoma nezvishoma yakashandurwa nekuwedzera kubva kumidziyo midiki.Mukutanga kwa1999, HPMC neMC zvishandiso zvine huwandu hwekugadzira huwandu hwe1400 t/a zvakaumbwa, uye mhando yechigadzirwa yakasvika padanho repasirese.Muna 2002, nyika yedu MC/HPMC yekugadzira huwandu hunosvika mazana mana nemakumi mashanu t/a, huwandu hwepamusoro hwekugadzira chirimwa chimwe chete i1400 t/a, iyo yakavakwa uye yakaiswa mukushanda muna 2001 muLuzhou North Chemical Industry Co., LTD.Hercules Temple Chemical Co., Ltd. ine Luzhou Maodzanyemba muLuzhou uye Suzhou Tembere muZhangjiagang mabhesi maviri ekugadzira, kugona kugadzira kwemethyl cellulose ether yakasvika 18 000 t/a.Muna 2005, kubuda kweMC/HPMC kunosvika zviuru zvisere, uye bhizinesi guru rekugadzira ndiShandong Ruitai Chemical Co., LTD.Muna 2006, huwandu hwese hwekugadzira hweMC / HPMC munyika yedu hwaive hunosvika zviuru makumi matanhatu nenomwe t/a, uye huwandu hwekugadzira hweHEC hwaive hunosvika zviuru gumi nezviviri t/a.Vazhinji vakatanga kugadzira muna 2006. Kune vanopfuura makumi maviri vagadziri veMC/HPMC.HEMC.Iyo yakazara kugadzirwa kwenonionic cellulose ether mu2006 yaive ye30-40,000 t.Kugadzirwa kwemukati kwe cellulose ether kunowedzera kuparadzirwa, iyo iripo cellulose ether kugadzira mabhizinesi anosvika makumi mashanu kana zvakadaro.

5.2 Kushandiswa

Muna 2005, kushandiswa kweMC/HPMC muChina kwaisvika 9 000 t, kunyanya mukugadzira polima uye indasitiri yekuvaka.Kushandiswa kwenonionic cellulose ether muna 2006 yaiva inenge 36,000 t.

5.2.1 Zvishandiso zvekuvaka

MC/HPMC inowanzowedzerwa kusimende, dhaka nedhaka munyika dzekunze kuvandudza kunaka kwekuvaka nekushanda.Mumakore achangopfuura, nekuvandudzwa kwemusika wekuvaka wepamba, kunyanya kuwedzera kwezvivakwa zvepamusoro-giredhi.Kuwedzera kuri kudiwa kwezvinhu zvekuvaka zvemhando yepamusoro kwakasimudzira kuwedzera kweMC/HPMC kushandiswa.Parizvino, iyo yemumba MC / HPMC inonyanya kuwedzerwa kumadziro tile glue poda, gypsum giredhi madziro scraping putty, gypsum caulking putty nezvimwe zvinhu.Muna 2006, kushandiswa kweMC/HPMC muindasitiri yekuvaka yaive 10 000 t, ichiverengera 30% yehuwandu hwekushandisa mudzimba.Nekuvandudzwa kwemusika wekuvaka wepamba, kunyanya kuvandudzwa kwedhigirii rekuvaka, pamwe nekuvandudzwa kwezvinodiwa zvemhando yekuvaka, kushandiswa kweMC/HPMC mundima yekuvaka kucharamba kuchiwedzera, uye kushandiswa kunotarisirwa. kusvika 15 000 t muna 2010.

5.2.2 Polyvinyl chloride

Kugadzirwa kwePVC nenzira yekumisa ndiyo yechipiri yakakura kwazvo nzvimbo yeMC/HPMC.Kana iyo nzira yekumisa ichishandiswa kugadzira PVC, iyo yekuparadzira system inokanganisa zvakananga kunaka kwechigadzirwa chepolymer uye chigadzirwa chayo chapera.Kuwedzera huwandu hudiki hweHPMC hunogona kunyatso kudzora saizi yekuparadzira sisitimu yekuparadzira uye kugadzirisa kugadzikana kwekupisa kweresin.Kazhinji, mari yekuwedzera ndeye 0.03% -0.05% yekubuda kwePVC.Muna 2005, kubuda kwenyika kwepolyvinyl chloride (PVC) kwaive 6.492 miriyoni t, iyo nzira yekumisa yaive ye88%, uye kushandiswa kweHPMC kwaive kuita 2 000 t.Zvinoenderana nebudiriro yekugadzirwa kwePVC yemumba, zvinotarisirwa kuti kugadzirwa kwePVC kuchasvika anopfuura mamirioni gumi t muna 2010. Suspension polymerization process iri nyore, iri nyore kudzora, uye nyore kune yakakura-yakakura kugadzirwa.Chigadzirwa chine hunhu hwekuchinjika kwakasimba, inova ndiyo inotungamira tekinoroji yePVC kugadzirwa mune ramangwana, saka huwandu hweHPMC mumunda wepolymerization hucharamba huchiwedzera, huwandu hunotarisirwa kuve hunosvika zviuru zvitatu t mu2010.

5.2.3 Pendi, zvekudya nemishonga

Coatings uye chikafu / kugadzirwa kwemishonga inzvimbo dzakakosha dzekushandisa dzeMC / HPMC.Kushandiswa kwemumba ndeye 900 t uye 800 t zvakateerana.Pamusoro pezvo, makemikari ezuva nezuva, zvinonamira uye zvichingodaro zvakare zvinoshandisa imwe huwandu hweMC/HPMC.Mune ramangwana, kudiwa kweMC/HPMC mundima idzi dzekunyorera kucharamba kuchiwedzera.

Maererano nekuongorora pamusoro apa.Muna 2010, kudiwa kwese kweMC/HPMC muChina kuchasvika 30 000 t.

5.3 Kupinza uye Kutengesa kunze

Mumakore achangopfuura, nekukura nekukurumidza kwehupfumi hwedu uye kugadzirwa kwe cellulose ether, cellulose ether kupinza uye kutengesa kunze kwenyika indasitiri yave kukura nekukurumidza, uye kukurumidza kwekutengesa kunze kwenyika kunodarika kukurumidza kwekunze.

Nekuda kwemhando yepamusoro HPMC uye MC inodiwa neindasitiri yemishonga haigone kuzadzisa kudiwa kwemusika, saka nekuda kwemusika kudiwa kwemhando yepamusoro cellulose ether kukura, avhareji yegore yekukura kweiyo kunze kwe cellulose ether yakasvika ingangoita 36% kubva 2000 kusvika 2000. 2007. Gore ra2003 risati rasvika, nyika yedu yaisatumira kunze zvigadzirwa zve cellulose ether.Kubva 2004, kutengeswa kunze kwenyika kwe cellulose ether kwakapfuura l000 t kekutanga.Kubva 2004 kusvika 2007, avhareji yekukura kwegore yaive 10%.Muna 2007, huwandu hwekutumira kunze kwenyika hwakapfuura huwandu hwekutumira kunze, pakati peiyo zvigadzirwa zvekunze zvinonyanya ionic cellulose ether.

6. Indasitiri yemakwikwi ekuongorora uye mazano ekusimudzira

6.1 Ongororo yezvinhu zvemakwikwi eindasitiri

6.1.1 Raw Materials

Cellulose ether kugadzirwa kweyekutanga hombe mbishi zvinhu ndeyehuni pulp, mutengo wayo wekuita kutenderera kukwira kwemutengo, inoratidza kutenderera kweindasitiri uye kudiwa kwehuni pulp.Yechipiri yakakura sosi ye cellulose ndeye lint.Tsime rayo harina zvarinoita pakutenderera kweindasitiri.Inonyanya kutsanangurwa negoho rekotoni.Kugadzirwa kwe cellulose ether kunodya mashoma ehuni pulp pane mamwe makemikari zvigadzirwa, senge acetate fiber uye viscose fiber.Kune vanogadzira, mitengo yezvigadzirwa ndiyo inonyanya kutyisidzira kukura.

6.1.2 Zvinodiwa

Kushandiswa kweselulosi ether munzvimbo dzinoshandiswa zvakanyanya senge detergent, machira, zvigadzirwa zvekuvaka uye mafuta emunzvimbo yekurapa maoiri anoita isingasviki 50% yemusika wese cellulose ether.Mamwe ese echikamu chevatengi akapatsanurwa.Cellulose ether kushandiswa kunokonzeresa chikamu chidiki chekushandisa mbishi munzvimbo idzi.Naizvozvo, aya mabhizinesi ekupedzisira haana chinangwa chekugadzira cellulose ether asi kutenga kubva kumusika.Kutyisidzira kwemusika kunonyanya kubva kune zvimwe zvinhu zvine mabasa akafanana se cellulose ether.

6.1.3 Kugadzirwa

Iyo yekuvharira yekupinda giredhi giredhi CMC yakadzikira pane iyo yeHEC neMC, asi yakanatswa CMC ine yepamusoro yekupinda chipinganidzo uye yakanyanya kuomarara tekinoroji yekugadzira.Zvipingamupinyi zvehunyanzvi zvekupinda mukugadzirwa kweHECs neMCS zvakakwirira, zvichikonzera vashoma vatengesi vezvigadzirwa izvi.Maitiro ekugadzira eHECs neMCS akavanzika zvakanyanya.Maitiro ekudzora zvinodiwa zvakanyanya kuoma.Vagadziri vanogona kugadzira akawanda uye akasiyana mamakisi eHEC uye MC zvigadzirwa.

6.1.4 Vakwikwidzi vatsva

Kugadzirwa kunogadzira akawanda-zvigadzirwa uye mutengo wezvakatipoteredza wakakwira.chirimwa chitsva che10 000 t/a chinodhura $90 miriyoni kusvika $130 miriyoni.MuUnited States, Western Europe uye Japan.Bhizinesi recellulose ether kazhinji harina mari shoma pane kudzoreredza.Mumisika iripo.Mafekitari matsva haasi kukwikwidza.Zvakadaro munyika yedu investimendi yakadzikira uye musika wedu wepamba une tarisiro yakanaka yebudiriro.Nekufambira mberi kwehunyanzvi.Investment mukuvaka midziyo iri kuwedzera.Saka gadzira chipingamupinyi chepamusoro chehupfumi kune vatsva vanopinda.Kunyangwe vagadziri varipo vanofanirwa kuwedzera kugadzirwa kana mamiriro achibvumidza.

Investment muR&D yeHECs neMCS inofanirwa kuchengetedzwa kuitira kugadzira zvitsva zvinotorwa uye maapplication matsva.Nekuda kwe ethylene uye propylene oxides.Indasitiri yayo yekugadzira ine njodzi huru.Uye tekinoroji yekugadzira yeindasitiri CMC iripo.Uye zviri nyore zvekudyara chikumbaridzo chakaderera.Kugadzirwa kwegiredhi rakanatswa kunoda mari yakakura uye yakaoma tekinoroji.

6.1.5 Makwikwi azvino maitiro munyika yedu

Chiitiko chemakwikwi asina kurongeka chiripowo muindasitiri ye cellulose ether.Kuenzaniswa nemamwe mapurojekiti emakemikari.Cellulose ether imari shoma shoma.Nguva yekuvaka ipfupi.Kushandiswa zvakanyanya.Mamiriro ezvinhu emusika aripo anokurudzira, nekuti kuwedzera kusingaite kweiyo indasitiri chiitiko kwakanyanya.Purofiti yeindasitiri iri kuderera.Kunyangwe iyo yazvino CMC inoshanda mwero inogamuchirwa.Asi sezvo hutsva hutsva hunoramba huchibudiswa.Makwikwi emusika acharamba achiwedzera.

Mumakore achangopfuura.Nekuda kwekuwanda kwemumba.CMC yakabuda 13 yakaramba ichikura nekukurumidza.Asi gore rino, mutero wekutengesa kunze mutero wakaderedzwa, kukoshesa kweRMB kwaita kuti purofiti yekunze iderere.Naizvozvo, simbisa hunyanzvi shanduko.Kuvandudza kunaka kwechigadzirwa uye kutumira kunze-yepamusoro-yekupedzisira zvigadzirwa ndiyo inonyanya kukosha yeindasitiri.Nyika yedu cellulose ether indasitiri inofananidzwa nekunze.Haisi bhizinesi diki, zvakadaro.Asi kushaikwa kwekuvandudzwa kweindasitiri, shanduko yemusika inoita basa rakasimba mukutungamira mabhizinesi.Kusvika pamwero wakati, zvakatadzisa indasitiri kudyara mukuvandudza tekinoroji.

6.2 Mazano

(1) Wedzera tsvakiridzo yakazvimirira uye kuedza kwekuvandudza kugadzira mhando nyowani.Ionic cellulose ether inomiririrwa neCMC(sodium carboxymethyl cellulose).Ane nhoroondo refu yebudiriro.Pasi pekukurudzira kunoramba kuripo kwekuda kwemusika.Nonionic cellulose ether zvigadzirwa zvakabuda mumakore achangopfuura.Kuratidza kukura kwakasimba.Hunhu hwema cellulose ether zvigadzirwa zvinonyanya kutsanangurwa nekuchena.Internationally.Iyo United States Chikafu neDrug Administration uye zvimwe zvakajeka zvinodiwa zveCMC zvigadzirwa kuchena kunofanirwa kunge kuri pamusoro pe99.5%.Parizvino, kubuda kwenyika yedu CMC kwakaverengera 1/3 yekubuda kwenyika.Asi mhando yechigadzirwa yakaderera, 1: 1 inonyanya kuderera-magumo zvigadzirwa, yakaderera yakawedzera kukosha.CMC inotumira kunze zvakanyanya kupfuura kunze kwenyika gore rega rega.Asi kukosha kwese kwakafanana.Nonionic cellulose ethers zvakare ine yakaderera kubereka.Nokudaro, zvakakosha kuwedzera kugadzirwa nekuvandudzwa kwenonionic cellulose ether.Zvino.Mabhizinesi ekunze ari kuuya munyika yedu kuzobatanidza mabhizinesi uye kuvaka mafekitori.Nyika yedu inofanirwa kutora mukana webudiriro kusimudzira danho rekugadzira uye mhando yechigadzirwa.Mumakore achangopfuura.Kudiwa kwemumba kwezvimwe zvigadzirwa zve cellulose ether kunze kweCMC kuri kuwedzera.Kunyanya, indasitiri yemishonga inoda yemhando yepamusoro HPMC uye MC ichiri kuda imwe huwandu hwekunze.Budiriro nekugadzirwa kunofanirwa kurongeka.

(2) Kuvandudza tekinoroji mwero wemidziyo.Iyo yemuchina wemidziyo nhanho yekunatswa kwemba yakaderera.Kudzora zvakanyanya kusimudzira indasitiri.Kusachena kukuru muchigadzirwa ndeye sodium chloride.Pamberi.Tripod centrifuge inoshandiswa zvakanyanya munyika yedu.Kucheneswa maitiro ndiko kushanda kwepakati, kusimba kwekushanda kwakanyanya, kushandiswa kwesimba kwakanyanya.Unhu hwechigadzirwa hwakaomawo kuvandudza.National cellulose ether industry Association yakatanga kugadzirisa dambudziko iri muna 2003. Zvinokurudzira zvino zvawanikwa.Kuchena kwezvimwe zvigadzirwa zvebhizinesi kwasvika kupfuura 99.5%.Pamusoro pe.Pane mukaha uripo pakati peiyo otomatiki dhigirii rese rekugadzira mutsara neiyo yenyika dzekunze.Zvinokurudzirwa kufunga kusanganiswa kwemidziyo yekunze uye midziyo yemumba.Key link inotsigira midziyo yekupinza.Kuvandudza otomatiki yemutsetse wekugadzira.Kuenzaniswa nezvigadzirwa zveionic, isiri-ionic cellulose ether inoda yepamusoro tekinoroji level.Iko kukurumidza kuputsa kuburikidza nehunyanzvi zvipingamupinyi zvekugadzira maitiro uye kushandisa.

(3) Chenjerera kune zvakatipoteredza uye zviwanikwa.Gore rino igore redu rekuchengetedza simba uye kuderedza emission.Izvo zvakakosha kuti budiriro yeindasitiri ibate dambudziko resource resource nemazvo.Tsvina inoburitswa kubva kuindasitiri yecellulose ether inonyanya kunyungudutsa mvura yakanyungudika, ine munyu wakawanda uye COD yakakwira.Biochemical nzira dzinosarudzwa.

Munyika yedu.Chinhu chikuru chekugadzirwa kwe cellulose ether ikotoni wool.Donje rainge marara ekurima makore ekuma1980 asati asvika, kurishandisa kugadzira cellulose ether kushandura marara kuita indasitiri yepfuma.Zvisinei.Nekukurumidza kukura kweviscose fiber uye mamwe maindasitiri.Raw donje pfupi velvet yagara yave pfuma yepfuma.Demand inoiswa pane inopihwa.Makambani anofanirwa kukurudzirwa kuunza huni kubva kune dzimwe nyika dzakaita seRussia, Brazil neCanada.Kuti kuderedze dambudziko rekuwedzera kushomeka kwezvinhu zvakasvibirira, mvere dzekotoni dzinotsiviwa zvishoma.