Ma cellulose ether ndi mtundu wa polima wosakhala wa ionic semi-synthetic, wokhala ndi kusungunuka kwamadzi ndi kusungunuka kwamitundu iwiri, m'mafakitale osiyanasiyana omwe amachititsidwa ndi gawoli ndi osiyana, monga zida zomangira zamankhwala, zimakhala ndi zotsatirazi: ① kusunga madzi. wothandizira ② thickening wothandizira ③ kusanja ④ filimu mapangidwe ⑤ binder;Mu mafakitale a polyvinyl chloride, ndi emulsifier, dispersant;M'makampani opanga mankhwala, ndi mtundu wa binder komanso wosakwiya komanso wowongolera kumasulidwa kwa mafupa, chifukwa mapadi amakhala ndi zotsatira zosiyanasiyana, choncho ndi gawo lomwe limagwiritsidwa ntchito kwambiri.Apa ndimayang'ana kwambiri kugwiritsa ntchito cellulose ether muzinthu zomangira zoteteza zachilengedwe komanso gawo.
1, utoto wa latex
Mu mzere wa utoto wa LATEX, ndikufuna KUSANKHA mapadi a hydroxyethyl, kukhuthala kwamphamvu ndi RT30000- 50000CPS, kuchuluka kwake kumakhala 1.5 ‰ -2 ‰ kumanzere ndi kumanja.Udindo waukulu wa hydroxyethyl mu utoto wa latex ndi kukhuthala, kuteteza pigment gelation, kumathandizira kuti pigment kubalalitsidwe, latex, bata, komanso kuwongolera kukhuthala kwa zigawo, kumathandizira pakuwongolera magwiridwe antchito: Hydroxyethyl cellulose ndiyosavuta kugwiritsa ntchito, yozizira. ndipo madzi otentha amatha kusungunuka, ndipo samakhudzidwa ndi mtengo wa PH, pakati pa PH 2 ndi 12 angagwiritsidwe ntchito, kugwiritsa ntchito njira zitatu zotsatirazi:
I. Onjezani mwachindunji:
Njira imeneyi ayenera kusankha hydroxyethyl mapadi anachedwa mtundu - kusungunuka nthawi yoposa 30 mphindi hydroxyethyl mapadi, njira zake ntchito ndi motere: (1) kukhala mkulu ayenera kudula blender chidebe ndi kachulukidwe madzi oyera (2) anthu anayamba kuchedwa oyambitsa mosalekeza. , pa nthawi yomweyo pang`onopang`ono kuwonjezera hydroxyethyl wogawana ndi yankho la (3) kupitiriza kusonkhezera mpaka chonyowa zipangizo granular (4) kuti agwirizane zina zina ndi zina zamchere (5) akuyambitsa mpaka kusungunuka zonse hydroxyethyl, kuwonjezera zigawo zina za chilinganizo. , akupera mpaka mankhwala omalizidwa.
ⅱ, zokhala ndi chakumwa cha amayi chodikirira:
Njirayi imatha kusankha mtundu wanthawi yomweyo, ndipo imakhala ndi mildew - umboni wa cellulose.Njirayi ili ndi mwayi wosinthasintha kwambiri, ikhoza kuwonjezeredwa ku utoto wa latex, njira yokonzekera ndi yofanana ndi ①- ④ masitepe.
ⅲ.Kutumikira ndi phala:
Chifukwa zosungunulira za organic ndi zosafunikira (zosasungunuka) ku hydroxyethyl, zitha kugwiritsidwa ntchito kupanga phala.CHOCHITIKA KABWINO KWAMBIRI SOLVENT WOYERA NDI ORGANIC LIQUID MU LATEX PAINT FORMULA, KHALANI NGATI GLYCOL, PROPYLENE GLYCOL NDI WOpanga mafilimu (MONGA DIETHYLENE glycol butyl acetic acid GREASE), CELLULOSE WA HYDROXINEFTERIJO WOPHUNZITSA WA HIYDROX AFTERIJO , CELLULOSE WA HYDROXINEFTERILY MITUNDU YA NYEMBA NING PITIRIZANI KUKONZEKERA KUTI KUSUNGULIRA KWAMBIRI PANO.
2, kukwapula khoma putty
Pakali pano, mtundu wa putty woteteza zachilengedwe, womwe sugwira madzi komanso sutha kukwapula m'mizinda yambiri, wakhala ukugwiritsidwa ntchito kwambiri ndi anthu.M'zaka zingapo zapitazi, chifukwa putty yopangidwa ndi zomatira zimayaka mpweya wa formaldehyde kuwononga thanzi la anthu, guluu wanyumbayo amapangidwa ndi mowa wa polyvinyl ndi formaldehyde kuti achite.Choncho, nkhaniyi pang'onopang'ono inathetsedwa ndi anthu, ndi m'malo mwa nkhaniyi ndi mapadi etere mndandanda mankhwala, ndiko kunena, chitukuko cha zomangira chitetezo zachilengedwe, mapadi ndi mtundu umodzi wokha wa zinthu.
Mu madzi osamva putty amagawidwa mu mitundu iwiri ya ufa wowuma putty ndi putty phala, mitundu iwiriyi ya putty nthawi zambiri imafuna kusankha mitundu iwiri ya methyl cellulose ndi hydroxypropyl methyl, makulidwe a viscosity nthawi zambiri amakhala pakati pa 3000-60000CPS yoyenera kwambiri. Udindo wa cellulose mu putty ndikusunga madzi, kulumikizana, kuthira mafuta, etc.
Chifukwa putty chilinganizo cha wopanga aliyense sali yemweyo, ena ndi imvi kashiamu, kuwala kashiamu, woyera simenti, ena ndi gypsum ufa, imvi kashiamu, kuwala kashiamu, kotero specification mamasukidwe akayendedwe ndi kulowerera mapadi a cellulose mafomu awiri si ofanana. , kuchuluka kwa kuwonjezera ndi pafupifupi 2 ‰-3 ‰.
Pakuwomba khoma kukhala wotopa ndi kumanga kwa ana, maziko a khoma amakhala ndi zotengera zina (khoma la njerwa la kuchuluka kwake kunali 13%, konkire ndi 3-5%), kuphatikiza ndi nthunzi wakunja, kotero ngati mukutopa ndi mwana. Kutaya madzi mofulumira kwambiri, kungachititse kuti mng'alu kapena chodabwitsa monga mungu, kuti mphamvu ya putty yafooke, kotero, pambuyo polowa mapadi ether adzathetsa vutoli.Koma mtundu wa zodzaza, makamaka phulusa la calcium, ndilofunikanso kwambiri.Chifukwa cha kukhuthala kwakukulu kwa cellulose, imathandiziranso mphamvu yoyandama ya putty, ndikupewa zochitika zakuyenda komwe kumapachikidwa pakumanga, ndipo imakhala yabwinoko komanso yopulumutsa ntchito ikatha.
3, matope a konkriti
Mu matope konkire, kwenikweni kukwaniritsa mphamvu mtheradi, ayenera kupanga simenti hydration anachita kwathunthu, makamaka m'chilimwe, pomanga konkire matope kutaya madzi mofulumira, miyeso kwathunthu hydrated pa kuchiritsa madzi, njira imeneyi ndi kuwononga gwero madzi ndi ntchito zovuta, chinsinsi basi pamwamba, madzi ndi hydration akadali si kwathunthu, kotero njira zothetsera vutoli, Mu matope konkire zambiri kusankha kuwonjezera hydroxypropyl methyl cellulose kapena methyl cellulose, kukhuthala specifications pakati 20000- 60000CPS, kuwonjezera za 2 ‰–3 ‰, madzi posungira mlingo akhoza ziwonjezeke kwa oposa 85%, ntchito matope konkire kwa ufa youma wogawana wosakaniza pambuyo kuwonjezera madzi kungakhale.
4, gypsum utoto, zomatira gypsum, caulking gypsum
Ndikukula kwachangu kwamakampani omanga, kufunikira kwa zinthu zomangira zatsopano kwa anthu kukuchulukiranso tsiku ndi tsiku, chifukwa chakuwonjezeka kwa kuzindikira kwa anthu zachitetezo cha chilengedwe komanso kupititsa patsogolo ntchito zomanga, zinthu za simenti za gypsum zapangidwa mwachangu.Pakali pano zinthu zambiri za gypsum zimakhala ndi stucco gypsum, gypsum yomangidwa, gypsum ophatikizidwa, matailosi binder.
pulasitala ndi mtundu wabwino mkati khoma ndi denga pulasitala zakuthupi, ndi kupukuta khoma ndi wosakhwima ndi yosalala, osati ufa, chomangira olimba ndi maziko, palibe akulimbana chodabwitsa, ndipo ali ndi ntchito chitetezo moto;Zomatira gypsum ndi mtundu watsopano wa nyumba kuwala mbale binder, ndi gypsum monga zakuthupi m'munsi, kuwonjezera zosiyanasiyana zina ndi zopangidwa zomatira zakuthupi, ndi oyenera mitundu yonse ya zomangira zomangira khoma zipangizo pakati chomangira, ndi sanali poizoni, zoipa, oyambirira mphamvu kusala kudya, kugwirizana ndi makhalidwe ena, ndi bolodi nyumba, chipika yomanga zothandizira;Gypsum sealant ndiye chodzaza ndi kusiyana pakati pa mbale za gypsum ndi kukonza khoma ndi ming'alu.
Zogulitsa za gypsumzi zimakhala ndi ntchito zosiyanasiyana, kuphatikizapo gypsum ndi zowonjezera zowonjezera zimagwira ntchito, vuto lalikulu ndiloti zowonjezera zowonjezera za cellulose ether zimagwira ntchito yotsogolera.Chifukwa GESSO AMAGAWA CHIKHALIDWE CHA ANHYDROUS GESSO NDI HEMIHYDRATE GESSO, ZOSIYANA ZA GESSO ZOMASIYANA NDI NTCHITO YA NTCHITO, CHONCHO CHIKHALIDWE, KUCHUNGA KWA MADZI, KUCHEZA KWAMBIRI NDIKUSANKHA UKHALIDWE WA MASTERIA.Vuto lodziwika bwino la zinthu izi ndi kusweka kwa ng'oma yopanda kanthu, mphamvu zoyamba sizingafike pa vutoli, kuthetsa vutoli, ndikusankha mtundu wa cellulose ndi retarder pawiri kugwiritsa ntchito vuto, pankhani iyi, kusankha kwa methyl kapena hydroxypropyl methyl cellulose HPMC 30000– 60000CPS, onjezerani pakati pa 1.5 ‰–2 ‰, mapadi kuchokera pamalingaliro ndikusunga madzi akuchedwetsa mafuta.
Komabe, pochita izi, sizingatheke kudalira cellulose ether monga retarder, ndipo citric acid retarder iyenera kuwonjezeredwa kusakaniza kuti mphamvu yoyamba isakhudzidwe.
Kusunga madzi nthawi zambiri kumatanthauza kuchuluka kwa madzi omwe amatayika popanda kuyamwa kwamadzi kunja.Ngati khomalo ndi louma, kuyamwa kwamadzi pamtunda ndi kutuluka kwachilengedwe kumapangitsa kuti zinthuzo ziwonongeke mofulumira, komanso padzakhala ng'oma yopanda kanthu ndi zochitika zosweka.
Njira yogwiritsira ntchito ufa wowuma wosakanikirana, ngati yankho lingatanthauze njira yokonzekera njira.
5. Mtondo wotsekemera wotentha
Thermal insulation mortar ndi chinthu chatsopano chotchingira khoma kumpoto kwa China.Ndi khoma zinthu apanga ndi matenthedwe kutchinjiriza zakuthupi, matope ndi binder.Pankhani iyi, cellulose imagwira ntchito yofunika kwambiri pakulumikizana ndikuwonjezera mphamvu.Nthawi zambiri, methyl cellulose yokhala ndi kukhuthala kwakukulu (pafupifupi 10000cps) imasankhidwa, ndipo mlingowo umakhala pakati pa 2 ‰ ndi 3 ‰.Njirayi ndi njira yosakaniza ufa wouma.
6, mawonekedwe othandizira
Chiyankhulo wothandizira kusankha HPMC20000cps, matailosi binder kusankha oposa 60000CPS, mu mawonekedwe wothandizira kuganizira thickening wothandizila, akhoza kusintha kumakokedwa mphamvu ndi muvi mphamvu ndi zotsatira zina.
Nthawi yotumiza: Aug-30-2022