Cellulose ether inogadzirwa ne cellulose kuburikidza ne etherification reaction uye kuomeswa kwehupfu hweimwe kana akati wandei etherifying agents.Zvinoenderana neakasiyana kemikari chimiro cheether substituent, cellulose ether inogona kupatsanurwa kuita anionic, cationic uye isiri-ionic ether.Ionic cellulose ether kunyanya carboxymethyl cellulose (CMC);Non-ionic cellulose ether kunyanya methyl cellulose ether (MC), hydroxypropyl methyl cellulose ether (HPMC) uye hydroxyethyl cellulose ether (HC).Non-ionic ether yakakamurwa kuva ether-soluble ether uye ether-soluble ether, kwete-ionic mvura-soluble ether inonyanya kushandiswa muzvigadzirwa zvematope.Muhupo hwe calcium ions, ionic cellulose ether haina kugadzikana, saka haiwanzo kushandiswa mune yakaoma yakasanganiswa dhaka zvigadzirwa ne simenti, hydrated lime uye zvimwe simende zvinhu.Non-ionic mvura-soluble cellulose ether inoshandiswa zvakanyanya muindasitiri yezvivakwa zvekuvaka nekuda kwekudzikama kwayo uye kuchengetwa kwemvura.
Kemikari zvinhu zve cellulose ether
Imwe neimwe cellulose ether ine hwaro hwechimiro che cellulose - iyo yakasvibiswa glucose chimiro.Mukugadzira cellulose ether, iyo cellulose faibha inopisa mumushonga wealkaline kutanga, wozobatwa ne etherifying agent.Iyo fibrous reaction product inonatswa uye inogayiwa kuita hupfu hwakafanana nehumwe hunyoro.
Mukugadzirwa kweMC, methane chloride chete ndiyo inoshandiswa se etherifying agent.Kugadzirwa kweHPMC mukuwedzera kune kushandiswa kwemethane chloride, zvakare shandisa propylene oxide kuwana hydroxypropyl substituent boka.Akasiyana-siyana cellulose ethers ane akasiyana methyl uye hydroxypropyl substitution rates, ayo anokanganisa kunyungudika kwe cellulose ethers uye zvimiro zvekupisa gel tembiricha.
Mamiriro ekushandiswa kwe cellulose ether
Cellulose ether isiri-ionic semi-synthetic polymer, mvura-inonyungudika uye inonyungudika maviri, mumaindasitiri akasiyana anokonzerwa nebasa akasiyana, senge mune makemikari ekuvaka zvinhu, ine inotevera composite mhedzisiro:
① mvura inochengeta mumiririri ② inokora mumiriri ③ kuenzana ④ kugadzira firimu ⑤ binder
MuPVC indasitiri, iri emulsifier, dispersant;Muindasitiri yemishonga, imhando yebhainda uye inononoka kuburitsa skeleton zvinhu, nekuti cellulose ine zvakasiyana-siyana zvinoumba mhedzisiro, saka ndiyo inonyanya kushandiswa ndima.Izvi zvinotevera zvinotarisa kushandiswa kwe cellulose ether mune zvakasiyana-siyana zvekuvaka uye basa.
(1) Kukwenya madziro putty:
Parizvino, China iri mune yakawanda yeguta rekudzivirira kwemvura, kuramba swab yekuchengetedzwa kwezvakatipoteredza putty kwakatorwa zvakanyanya nevanhu, mumakore mashoma apfuura, nekuti iyo putty yakagadzirwa nekuvaka glue inovhenekera formaldehyde gasi kukuvadza kune hutano hwevanhu, chivakwa. glue inogadzirwa ne polyvinyl doro uye formaldehyde acetal reaction.Saka chinhu ichi chinopedzwa zvishoma nezvishoma nevanhu, uye kutsiviwa kwechinhu ichi ndeye cellulose ether yakatevedzana yezvigadzirwa, ndiko kuti, kuvandudzwa kwekuchengetedzwa kwezvakatipoteredza zvekuvakisa, cellulose ndiyo chete mhando yezvinhu parizvino.
Mumvura inodzivirira putty yakakamurwa kuita yakaoma poda putty uye putty paste marudzi maviri, iwo marudzi maviri eputty anowanzo sarudza modified methyl cellulose uye hydroxypropyl methyl marudzi maviri, viscosity specification inowanzo mu 3000-60000cps pakati pezvakakodzera, mubasa guru re cellulose mu putty kuchengetedza mvura, kubatanidza, lubrication uye zvimwe zvinokonzeresa.Nekuti iyo putty formula yemugadziri wega wega haina kufanana, mamwe ane grey calcium, light calcium, chena simende, mamwe ari gypsum powder, grey calcium, light calcium, nezvimwewo, saka iyo speciation viscosity uye infiltration yehuwandu hwe cellulose yemafomu maviri aya. hazvina kufanana, huwandu hwekuwedzera ndeye 2 ‰ -3 ‰ kana zvakadaro.Mukubhowa madziro anofinhwa nekuvaka kwevana, chigadziko chemadziro chine zvimwe zvinonyudza (madziro ezvidhina eiyo bibulous rate yaive 13%, kongiri iri 3-5%), pamwe nekubuda kwemhepo yekunze, saka kana uchifinhwa nemwana. kurasikirwa kwemvura nekukurumidza, kwaizotungamira mukutsemuka kana chiitiko chakadai semukume, kuitira kuti simba reputty ripere simba, saka, mushure mekujoinha cellulose ether ichagadzirisa dambudziko iri.Asi kunaka kwekuzadza zvinhu, kunyanya kunaka kwegrey calcium kwakakoshawo zvakanyanya.
Nekuda kweiyo high viscosity ye cellulose, inowedzerawo buoyancy ye putty, uye inodzivirira chiitiko chekuyerera ichirembera mukuvaka, uye inonyanya kugadzikana uye kuponesa basa mushure mekukwesha.Mune poda putty, cellulose ether inofanira kuwedzerwa zvakakodzera, kugadzirwa kwayo uye kushandiswa zviri nyore, kuzadza zvinhu uye yebetsero yakaoma poda inogona kusanganiswa zvakaenzana, kuvaka zvakare kuri nyore, nzvimbo yekugovera mvura, nemari yakawanda sei.
(2) Dongo rekongiri:
Mune dhaka rekongiri, rinowana simba rekupedzisira, rinofanira kuita kuti simende hydration iite zvachose, kunyanya muzhizha, mukuvakwa kwekongiri yedhaka kurasikirwa kwemvura nekukurumidza, matanho akazara hydrated pakurapa mvura, nzira iyi kutambisa chitubu chemvura uye. kushanda kusingafadzi, kiyi ingori pamusoro, mvura uye hydration haisati yakwana, saka nzira dzekugadzirisa dambudziko iri, Wedzera mvura inochengetedza mumiriri cellulose mudhaka kongiri kazhinji sarudza hydroxypropyl methyl kana methyl cellulose, viscosity yakatarwa pakati pe20000- 60000cps, wedzera 2% - 3%.Pamusoro, chiyero chekuchengetedza mvura chinogona kuwedzerwa kusvika kune anopfuura 85%, mudhaka kongiri yekushandisa nzira yehupfu yakaoma yakaenzana yakasanganiswa mushure memvura inogona kuva.
(3) Kunamira plaster, kubatanidza plaster, caulking plaster:
Nekukurumidza kusimudzira kweindasitiri yekuvaka, kudiwa kwevanhu kwezvinhu zvitsva zvekuvaka kuri kuwedzera zvakare, nekuda kwekuwedzera kwekuziva kwevanhu nezvekuchengetedzwa kwezvakatipoteredza uye nekuenderera mberi kwekuvandudza kwekuita kwekuvaka, cementitious zvinhu zvegypsum zvigadzirwa zvave kukurumidza kukura.Parizvino iyo commonnest gesso goods ine stucco gesso, caking gesso, set gesso, tile caking agent yekumirira.Plastering plaster imhando yemhando yakanaka yemukati madziro uye denga plastering zvinhu, nazvo pukuta madziro akatetepa uye akatsetseka, usadonhedze hupfu uye base bond zvakasimba, hapana kuputika kwechiitiko, uye ine basa rekudzivirira moto;Adhesive gypsum rudzi rutsva rwekuvaka mwenje bhodhi rinonamira, gypsum sechinhu chepasi, ichiwedzera zvakasiyana-siyana zvekuwedzera uye yakagadzirwa nechinhu chinonamira, inokodzera marudzi ese ezvivakwa zvekuvaka madziro pakati pechisungo, isina-chepfu, isina kuravira. , fast setting, bonding is a building board, block kuvaka kutsigira zvinhu;Gypsum seam inozadza mumiriri ndeye gypsum ndiro pakati peiyo gap yekuzadza zvinhu uye madziro, kupaza kugadzirisa kuzadza.
Izvi zvigadzirwa zvegypsum zvine huwandu hwemabasa akasiyana, kuwedzera kune gypsum uye zvine hukama mafirita kuita basa, nyaya yakakosha ndeye yakawedzera cellulose ether additives inoita basa rinotungamira.Nekuti gesso yakakamurwa ine isina mvura gesso uye sendi yehafu yemvura gesso, gesso yakasiyana yakasiyana nekuita kwechigadzirwa, wedzera gobvu, chengetedza mvura, unonoke coagulate kunaka kunosarudza gesso zvekuvakisa.Dambudziko rinowanzoitika rezvishandiso izvi igubhu rinoputika, simba rekutanga harina kusvika, kugadzirisa dambudziko iri, nderekusarudza rudzi rweselulosi uye retarder komputa yekushandisa nzira dambudziko, mune izvi, sarudzo yakajairika yemethyl kana hydroxypropyl methyl. 30000-60000cps, kuwedzera huwandu 1.5% - 2%.Pakati, iyo yakatarisana ne cellulose ndeye kuchengetedza mvura uye inononoka condensation lubrication.Zvisinei, mune izvi vanovimba cellulose ether sezvo retarder isiri kusvika, inofanirawo kuwedzera citric acid retarder mushure mekushandiswa kwakavhenganiswa hakuzokanganisa simba rekutanga.
Mwero wekuchengetedza mvura kazhinji unoreva kuwanda kwekurasikirwa kwemvura kwechisikigo mukushaikwa kwekutorwa kwemvura kunze.Kana rusvingo rwakaoma, nzvimbo yepasi inotora mvura uye kubuda kwechisikigo kunoita kuti zvinhu zvirasikirwe nemvura nekukurumidza, uye pachavawo nedhiramu isina chinhu uye chiitiko chinoputika.Iyi nzira yekushandiswa ndeyekusanganisa poda yakaoma, kana kugadzirira kwekugadzirisa kunogona kureva nzira yekugadzirira yekugadzirisa.
(4) Insulation mortar
Thermal insulation mortar imhando nyowani yemukati madziro emafuta ekudzivirira zvinhu kuchamhembe kweChina.Icho chinhu chemadziro chakagadzirwa ne thermal insulation material, dhaka uye binder.Mune ino chinyorwa, cellulose inoita basa rakakosha mukubatanidza uye kuwedzera simba.
(5) interface mumiririri
Iyo interface mumiriri ndeye HPMC20000cps, tile binder inopfuura 60000cps, uye iyo interface mumiriri inonyanya kushandiswa seyakakora, iyo inogona kuvandudza simba rekusimba uye simba remuseve.Mune tile yekubatanidza mvura yekuchengetedza mumiriri kudzivirira tile kubva pakurasikirwa nemvura nekukurumidza kudonha.
Industrial cheni mamiriro
(1) Indasitiri yepamusoro
Zvinhu zvikuru zvekugadzira cellulose ether zvinosanganisira donje rakanatswa (kana pulp yehuni) uye mamwe makemikari anonyungudutsa, akadai sepropylene oxide, chloromethane, liquid alkali, tablet alkali, ethylene oxide, toluene nezvimwe zvinhu zvinobatsira.Iwo mabhizinesi ekumusoro eindastiri iyi anosanganisira rakanatswa donje, huni pulp kugadzira mabhizinesi uye mamwe mabhizinesi emakemikari.Kuchinja-chinja kwemutengo wezvinhu zvakasvibiswa zvataurwa pamusoro apa zvichava nemigumisiro yakasiyana pamutengo wekugadzira uye mutengo wekutengesa we cellulose ether.
Mutengo wekotoni wakanatswa wakanyanya kukwirira.Kutora zvekuvaka giredhi cellulose ether semuenzaniso, panguva yekubika, chikamu cheyakanatswa donje mutengo muzvivakwa zvekuvaka giredhi cellulose ether mutengo wekutengesa waive 31.74%, 28.50%, 26.59% uye 26.90%, zvichiteerana.Kuchinja kwemutengo wekotoni yakanatswa kuchakanganisa mutengo wekugadzira cellulose ether.Chigadzirwa chikuru chekugadzira donje rakanatswa ikotoni huru.Cotton staple ndechimwe chezvakagadzirwa mukugadzira donje, rinonyanya kushandiswa kugadzira donje pulp, rakanatswa donje, nitrocellulost uye zvimwe zvigadzirwa.Iko kukosha kwekushandisa uye kushandiswa kwekotoni staple yakasiyana neiyo yekotoni, uye mutengo wayo uri pachena wakaderera pane wekotoni, asi ine kumwe kuwirirana nekushanduka kwemutengo wekotoni.Kuchinja kwemutengo wekotoni staple kuchakanganisa mutengo wecotton yakanatswa.
Kuchinja kwechisimba kwemutengo wedonje wakanatswa kuchakanganisa mutengo wekugadzira, mitengo yechigadzirwa uye pundutso yemabhizinesi muindastiri ino kusvika kumadhigirii akasiyana.Panyaya yemutengo wedonje wakanatswa uye mutengo wehuni wakachipa, kuti uderedze mutengo, pulp yehuni inogona kushandiswa seyakanatswa donje inotsiva uye yekuwedzera, inonyanya kushandiswa kugadzira yekurapa chikafu giredhi cellulose ether uye imwe yakaderera viscosity. cellulose ether.Muna 2013, China yakadyara mahekita 4,35 miriyoni edonje uye yakagadzira matani 6.31 miriyoni edonje, maererano newebhusaiti yeNational Bureau of Statistics.Zvinoenderana nenhamba dzeChina Cellulose Indasitiri Association, muna 2014, huwandu hwakazara hwedonje rakanatswa remabhizinesi makuru ekugadzira donje rakanatswa aive matani mazana matatu nemakumi matatu nemazana maviri, aine zvakawanda zvekushandisa.
Iyo mikuru yezvigadzirwa zvekugadzira graphite makemikari emidziyo isimbi uye graphite kabhoni.Mutengo wesimbi uye graphite kabhoni unoverengera chikamu chepamusoro chemutengo wekugadzira wezvigadzirwa zvemakemikari emagraphite.Kuchinja kwemitengo yezvinhu izvi mbishi kuchave nekukanganisa pamutengo wekugadzira uye mutengo wekutengesa wezvigadzirwa zvemakemikari emagraphite.
(2) cellulose ether downstream indasitiri mamiriro
Cellulose ether se "industrial MONOsodium glutamate", cellulose ether inowedzera chikamu chakaderera, zvakasiyana-siyana zvekushandiswa, maindasitiri epasi akapararira mumararamiro ose ehupfumi hwenyika.
Mumamiriro ezvinhu akajairwa, iyo indasitiri yekuvaka yepasi uye real estate indasitiri ichave nemhedzisiro pakukura kwekudiwa kwezvinhu zvekuvaka giredhi cellulose ether.Kana iyo indasitiri yekuvaka mudzimba uye real estate indasitiri yekukura inokurumidza, musika wepamba wezvigadzirwa zvekuvaka giredhi cellulose ether inodiwa kukura kwekukura nekukurumidza.Kana huwandu hwekukura kweindasitiri yekuvaka yedzimba uye indasitiri yezvivakwa yadzikira, kukura kweiyo kudiwa kwezvinhu zvekuvaka giredhi cellulose ether mumusika wepamba inodzikira, zvichiita kuti makwikwi muindasitiri awedzere, uye nekumhanyisa kupona. yeakakodzera maitiro emabhizinesi muindasitiri.
Kubva 2012, pasi pemamiriro ekudzikira kukura kweindasitiri yekuvaka yedzimba uye indasitiri yezvivakwa, kudiwa kwezvinhu zvekuvaka giredhi cellulose ether mumusika wepamba hakuna kushanduka zvakanyanya.Zvikonzero zvikuru ndezvizvi zvinotevera: 1. Huwandu hwese hweindasitiri yekuvaka mudzimba uye indasitiri yezvivakwa yakakura, uye iyo yakazara musika inodiwa yakakura;Musika mukuru wevatengi wezvivakwa zvekuvaka giredhi cellulose ether kubva kunzvimbo dzakasimukira hupfumi uye yekutanga neyechipiri tier maguta, zvishoma nezvishoma inowedzera kusvika kuMidwest uye yechitatu tier maguta, kudiwa kwemukati kukura mukana uye nzvimbo yekuwedzera;Zviviri, huwandu hwe cellulose ether yakawedzerwa kumutengo wezvivakwa zvekuvaka yakaderera chikamu, chiyero chemutengi mumwe chete idiki, vatengi vakapararira, nyore kugadzira kuomarara kudiwa, kudiwa kwese kwemusika wepasi kwakadzikama;Tatu, zvokuvakisa pamusika mutengo kuchinja kuri kukanganisa cellulose ether kudiwa chimiro shanduko, zvinokosha zvinhu kuti cellulose eteri pamwero kubvira 2012, zvokuvakisa mutengo kuderera yakakura, yepamusoro-kuguma zvigadzirwa mukudonha mutengo yakakura, kukwezva vatengi vakawanda kutenga kusarudzwa, yakawedzera kudiwa kwezvigadzirwa zvepamusoro-soro mu, uye kusvina zvakajairika mhando zvigadzirwa pamusika kudiwa uye mutengo nzvimbo.
Kusimukira kweindasitiri yemishonga uye mwero wekukura kweindasitiri yemishonga kuchakanganisa shanduko yekuda kwemishonga giredhi cellulose ether.Kuvandudzwa kwemararamiro evanhu uye indasitiri yechikafu yakagadziridzwa inobatsira kufambisa kudiwa kwemusika kwechikafu-giredhi cellulose ether.
Iyo yekuvandudza maitiro e cellulose ether
Nekuda kwekuvapo kwe cellulose ether musika kudiwa kwemisiyano yezvimiro, kuumbwa kwesimba remabhizinesi akasiyana kuti agare.Tichifunga nezvezvakajeka zvimiro zvekusiyanisa hunhu hwekudiwa kwemusika, vepamba cellulose ether vagadziri vakasanganiswa nesimba ravo kuti vatore rakasiyana makwikwi zano, uye zvakare kubata kwakanaka kwemaitiro ekusimudzira uye kutungamira kwemusika.
(1) kuve nechokwadi kugadzikana kwemhando yechigadzirwa, ichave ichiri yakakosha kukwikwidza mapoinzi emabhizinesi e-cellulose ether.
Cellulose ether muindasitiri mazhinji emabhizinesi epasi mumutengo wekugadzira idiki, asi mhando yechigadzirwa yakakura.Mapoka epakati uye epamusoro-soro evatengi mukushandiswa kwechiratidzo che cellulose ether modhi pamberi, kuenda kuburikidza nekuyedza fomula.Mushure mekugadzira fomu yakagadzika, kazhinji hazvisi nyore kutsiva mamwe mabhureki ezvigadzirwa, asi zvakare kuisa mberi kwepamusoro zvinodiwa pakugadzikana kwemhando ye cellulose ether.Chiitiko ichi chakanyanya kutariswa mudzimba uye kunze kwenyika mahombe ekugadzira zvivakwa zvekugadzira mabhizinesi, mishonga accessories, zvekuwedzera zvekudya, PVC uye mamwe minda yepamusoro.Kuti uvandudze kukwikwidzana kwezvigadzirwa, vagadziri vanofanira kuona kuti kugoverwa kwezvikwata zvakasiyana-siyana zve cellulose ether zvinogona kuchengetedza kugadzikana kwehutano, kuitira kuumba mukurumbira wemusika.
(2) Kuvandudza iyo tekinoroji nhanho yekushandiswa kwechigadzirwa ndiyo nzira yekusimudzira yemabhizinesi emumba cellulose ether
Panyaya ye cellulose ether yekugadzira tekinoroji inowedzera kukura, mwero wepamusoro wetekinoroji yekushandisa unobatsira mabhizinesi kusimudzira kukwikwidza kwakazara, kuumbwa kwehukama hwakagadzikana hwevatengi.Mabhizinesi anozivikanwa e-cellulose ether ari munyika dzakabudirira anonyanya kutora nzira yemakwikwi e "kutarisana nevatengi vepamusoro-soro + kusimudzira kushandiswa kwepasi uye kushandiswa", kugadzira cellulose ether kushandiswa uye kushandisa fomula, uye kugadzirisa nhevedzano yezvigadzirwa zvinoenderana nekukamura kwakasiyana. minda yekushandisa kufambisa kushandiswa kwevatengi, uye kurima kuderera kwemusika kudiwa.Makwikwi emabhizimusi e-cellulose ether munyika dzakabudirira akapinda mumunda wekushandisa tekinoroji kubva pachigadzirwa.
Summary: Cellulose ether, inozivikanwa se "industrial MONOsodium glutamate", ine zvakanakira kushandiswa kwakakura, diki unit dosage, yakanaka shanduko maitiro, hushamwari kune zvakatipoteredza uye zvichingodaro.Inoshandiswa zvakanyanya mukuvaka, mushonga, chikafu, machira, makemikari ezuva nezuva, petroleum exploitation, migodhi, kugadzira mapepa, polymerization reaction uye aerospace uye mamwe akawanda minda.
Nguva yekutumira: Mar-31-2022