Cellulose ether isiri-ionic semi-synthetic polymer, inonyungudika mumvura uye inonyungudika.Iine maitiro akasiyana mumaindasitiri akasiyana.Semuyenzaniso, muzvivakwa zvekuvaka makemikari, ine zvinotevera zvinoumbwa zvinokonzeresa: ① mvura yekuchengetedza mvura ② thickener ③ kuenzana pfuma ④ film-forming property ⑤ binder;mune polyvinyl chloride indasitiri, iri emulsifier uye dispersant;muindasitiri yemishonga, inosungira uye inosunga bhaibheri Release skeleton materials, etc., nekuti cellulose ine zvakasiyana-siyana zvinoumba mhedzisiro, saka minda yayo yekushandisa ndiyo yakanyanya kuwanda.Zvadaro, ini ndichatarisa kushandiswa uye kushanda kwe cellulose ether mukuchengetedza kwezvakatipoteredza kuvaka zvinhu.
1. Mu latex pendi
Muindasitiri yependi ye latex, hydroxyethyl cellulose inofanira kusarudzwa.Iyo yakajairika yekumisikidza viscosity ndeye RT30000-50000cps, uye iyo referensi dosage inowanzoita 1.5 ‰-2 ‰.Basa guru re hydroxyethyl mu latex pendi ndeyekukora, kudzivirira gelation ye pigment, kubatsira kupararira, latex, uye kugadzikana kwe pigment, uye kuwedzera viscosity yechikamu, iyo inobatsira pakuita kwekuenzanisa kwekuvaka: hydroxyethyl Ethyl cellulose iri nyore kushandisa.Inogona kunyungudutswa mumvura inotonhora nemvura inopisa, uye haina kukanganiswa neiyo pH kukosha.Inogona kushandiswa pakati pe pH kukosha kwe2 ne12. Pane nzira nhatu dzekushandisa:
I. Wedzera zvakananga mukugadzirwa:
Iyi nzira inofanira kusarudza hydroxyethyl cellulose yakanonoka mhando - hydroxyethyl cellulose ine nguva yekuparara inopfuura maminitsi makumi matatu.Matanho acho ndeaya anotevera: ① Wedzera imwe huwandu hwemvura yakachena mumudziyo wakashongedzerwa neshear agitator ② Tanga kubvongodza uchienderera nekumhanya kwakaderera, uye panguva imwe chete zvishoma nezvishoma wowedzera boka rehydroxyethyl mumushonga zvakaenzana ③Ramba uchimutsa. kusvikira zvinhu zvese zvegranular zvanyorova ④Wedzera zvimwe zvinobatsira uye zvakakosha zvinowedzera, nezvimwe. ⑤Sveta kusvika mapoka ese ehydroxyethyl anyungudika zvachose, wobva wawedzera zvimwe zvikamu mufomula uye gaya kusvika chigadzirwa chapera.
Ⅱ.Yakashongedzerwa nedoro raamai rekushandisa gare gare:
Iyi nzira inogona kusarudza pakarepo mhando, uye ine anti-mildew effect cellulose.Kubatsira kweiyi nzira ndeyekuti ine yakanyanya kuchinjika uye inogona kuwedzerwa zvakananga kune latex pendi.Nzira yekugadzirira yakafanana nematanho ①-④.
Ⅲ.Gadzirira muporridge kuti ugozoshandisa gare gare:
Sezvo organic zvinonyungudutsa zvisingabatsiri zvinonyungudutsa (zvisinganyunguriki) zvehydroxyethyl, zvinonyungudutsa izvi zvinogona kushandiswa kugadzira porridge.Izvo zvinowanzo shandiswa organic zvinonyungudutsa zvinwiwa zvinwiwa mulatex pendi maumbirwo, senge ethylene glycol, propylene glycol, uye firimu-forming agents (senge diethylene glycol butyl acetate).Iyo porridge hydroxyethyl cellulose inogona kuwedzerwa zvakananga kupende.Ramba uchikurudzira kusvikira yapera zvachose.
2. Mumadziro scraping putty
Parizvino, mumaguta mazhinji munyika yangu, inodzivirira mvura uye inodzivirira-inodzivirira nharaunda-inoshamwaridzika putty yakakosheswa nevanhu.Iyo inogadzirwa neacetal reaction yevinyl doro uye formaldehyde.Naizvozvo, chinhu ichi chinopedzwa zvishoma nezvishoma nevanhu, uye cellulose ether series zvigadzirwa zvinoshandiswa kutsiva ichi chinyorwa.Kureva kuti, pakuvandudzwa kwezvakatipoteredza zvekuvaka zvivakwa, cellulose parizvino ndiyo chete zvinhu.
Mumvura inodzivirira putty, yakakamurwa kuva marudzi maviri: yakaoma poda putty uye putty paste.Pakati pemhando mbiri idzi dzeputty, yakagadziridzwa methyl cellulose uye hydroxypropyl methyl inofanira kusarudzwa.Iyo viscosity yakatarwa kazhinji iri pakati pe30000-60000cps.Basa guru re cellulose mu putty kuchengetedza mvura, kusungirirwa, lubrication nezvimwe zvakadaro.
Sezvo mafomula emaputty evagadziri vakasiyana akasiyana, mamwe ari grey calcium, light calcium, white simenti, nezvimwewo, uye mamwe ari gypsum powder, grey calcium, light calcium, nezvimwewo, saka zvinotsanangurwa, viscosity uye kupinda kwe cellulose mu maitiro maviri akasiyana zvakare.Mari yakawedzerwa inenge 2 ‰-3 ‰.
Mukuvaka kwemadziro ekukwenya putty, sezvo chigadziko chemadziro chine imwe dhigirii yekunyudza kwemvura (yero yekunyudza kwemvura yemadziro ezvidhina ndeye 13%, uye chiyero chemvura chekongiri chiri 3-5%), pamwe chete nekuputika kwekunze kwenyika, kana iyo putty inorasikirwa nemvura nokukurumidza , Ichaita kuti pave nekutsemuka kana kubviswa kwehupfu, izvo zvinoderedza simba reputty.Naizvozvo, kuwedzera cellulose ether kuchagadzirisa dambudziko iri.Asi mhando yekuzadza, kunyanya kunaka kweash calcium yakakoshawo zvakanyanya.Nekuda kweiyo yakakwira viscosity ye cellulose, iyo buoyancy ye putty inowedzerwa zvakare, uye iyo sagging chiitiko panguva yekuvaka inodzivirirwa zvakare, uye yakanyanya kugadzikana uye kuponesa basa mushure mekukwesha.
3. Kongiri dhaka
Mune dhaka rekongiri, kuti uwane simba rekupedzisira, simenti inofanirwa kunge yakazara hydrated.Kunyanya mukuvaka kwezhizha, dhaka rekrete rinorasikirwa nemvura nokukurumidza, uye zviyero zve hydration yakakwana inoshandiswa kuchengetedza uye kusasa mvura.Kuraswa kwezviwanikwa uye kushanda kusingaite, chinhu chakakosha ndechekuti mvura iri pamusoro chete, uye iyo yemukati hydration ichiri isina kukwana, saka mhinduro yedambudziko iri ndeyekuwedzera hydroxypropyl methylcellulose kana methylcellulose kune dhaka kongiri, Iyo viscosity yakatarwa iri pakati. 20000-60000cps, mari yekuwedzera inenge 2 ‰-3 ‰, uye chiyero chekuchengetedza mvura chinogona kuwedzerwa kusvika kupfuura 85%.Nzira yekushandiswa mukrete yedhaka ndeyekuwedzera mvura mushure mokunge poda yakaoma yakasanganiswa.
4. Mukupura gypsum, kubatanidza gypsum, caulking gypsum
Nekukurumidza kusimukira kweindasitiri yekuvaka, kudiwa kwevanhu kwezvinhu zvitsva zvekuvaka kuri kuwedzerawo zuva nezuva.Nekuda kwekuwedzera kwekuziva kwevanhu nezvekuchengetedzwa kwezvakatipoteredza uye nekuenderera mberi kwekuvandudzwa kwekuvaka, zvigadzirwa zve cementitious gypsum zvakakura nekukurumidza.Parizvino, zvigadzirwa zvegypsum zvakajairika kupurasita gypsum, bonded gypsum, inlaid gypsum, uye mataira anonamira.
Plastering gypsum ndeyemhando yepamusoro yekupurasita zvinhu zvemukati madziro uye sirin'i.Chidziro chemadziro chakanamwa nacho chakanaka uye chakatsetseka, hachidonhedze hupfu, chakanyatsobatanidzwa kune chigadziko, hachina kuputika uye kudonha, uye chine basa rekudzivirira moto;bonded gypsum rudzi rutsva rwekuvaka mwenje bhodhi rinonamira chinhu chinonamira chakagadzirwa negypsum sechinhu chepasi uye chinowedzera zvakasiyana siyana.Iyo yakakodzera kusungirirana pakati peakasiyana inorganic kuvaka madziro zvinhu.Haisi-chepfu, haina kuravira, Zvimiro zvakaita sesimba rekutanga, kugadzika nekukurumidza, uye kusungirirwa kwakasimba, chinhu chinotsigira pakuvaka mapaneru uye kuvaka block;gypsum caulking agent is gap filler pakati pegypsum panels uye yekugadziridza filler yemadziro uye makatsemuka.
Izvi zvigadzirwa zvegypsum zvine mutsara wemabasa akasiyana.Pamusoro pebasa regypsum uye mafirita ane hukama, nyaya yakakosha ndeyekuti iyo yakawedzera cellulose ether additives inoita basa rinotungamira.Nekuti gypsum yakakamurwa kuita anhydrous gypsum uye hemihydrate gypsum, gypsum yakasiyana ine mhedzisiro yakasiyana pakuita kwechigadzirwa, saka kukora, kuchengetwa kwemvura uye kudzoreredza kunotarisisa kunaka kwezvinhu zvekuvaka gypsum.Dambudziko rinowanzoitika rezvinhu izvi nderokuchera uye kuputika, uye simba rekutanga harigoni kusvika.Kugadzirisa dambudziko iri, ndiko kusarudza rudzi rwe cellulose uye nzira yekushandiswa kwekomboni ye retarder.Panyaya iyi, methyl kana hydroxypropyl methyl 30000 inowanzosarudzwa.-60000cps, iyo yakawedzerwa mari iri pakati pe1.5 ‰–2 ‰, iyo cellulose inonyanya kushandiswa kuchengetedza mvura uye kudzoreredza lubrication.
Zvisinei, hazvibviri kuvimba ne cellulose ether se retarder, uye zvakakosha kuwedzera citric acid retarder kusanganisa uye kushandisa pasina kukanganisa simba rekutanga.
Kuchengetwa kwemvura kunowanzo reva kuti yakawanda sei mvura inorasika yega pasina kutorwa kwemvura kunze.Kana madziro akanyanya kuoma, kunyura kwemvura uye kubuda kwechisikigo pachigadziko kuchaita kuti zvinhu zvirasikirwe nemvura nekukasira, uye kuputika nekutsemuka kuchaitika zvakare.
Iyi nzira yekushandiswa inosanganiswa nehupfu hwakaoma.Kana iwe ukagadzirira mhinduro, tapota tarisa kune nzira yekugadzirira yemhinduro.
5. Thermal insulation mortar
Insulation mortar imhando nyowani yemukati madziro ekudzivirira zvinhu mudunhu rekuchamhembe.Icho chinhu chemadziro chakagadzirwa nekuisa insulation, dhaka uye binder.Mune ino chinyorwa, cellulose inoita basa rakakosha mukubatanidza uye kuwedzera simba.Kazhinji sarudza methyl cellulose ine viscosity yakakwirira (inenge 10000eps), iyo dosage inowanzo pakati pe2 ‰-3 ‰), uye nzira yekushandisa yakaoma poda kusanganisa.
6. Interface agent
Iyo yekunamatira mataira inofanirwa kunge iri pamusoro pe60,000cps, uye inofanirwa kushandiswa seyakakora mune yekubatanidza agent, iyo inogona kuvandudza kusimba kwesimba uye anti-museve simba.
Nguva yekutumira: Jan-31-2023