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 yelatex, kusarudza hydroxyethyl cellulose, iyo yakajairika yeakaenzana viscosity ndeye RT30000-50000cps, iyo inoenderana nekutsanangurwa kweHBR250, uye iyo referensi dosage kazhinji inenge 1.5 ‰-2 ‰. Basa guru re hydroxyethyl mu latex pendi ndeyekukora, kudzivirira gelation ye pigment, kubatsira kupararira kwe pigment, kugadzikana kwe latex, uye kuwedzera viscosity yezvikamu, izvo zvinobatsira pakugadzirisa kushanda kwekuvaka: Hydroxyethyl cellulose iri nyore kushandisa. Inogona kunyungudutswa mumvura inotonhora nemvura inopisa, uye haina kukanganiswa neiyo pH kukosha. Inogona kushandiswa zvakachengeteka pakati pePI kukosha 2 uye 12. Nzira dzekushandisa dzinotevera:
(1) Wedzera zvakananga mukugadzirwa:
Nokuda kweiyi nzira, hydroxyethyl cellulose yakanonoka rudzi inofanira kusarudzwa, uye hydroxyethyl cellulose ine nguva yekuparara kwemaminetsi anopfuura makumi matatu inoshandiswa. Matanho acho ndeaya anotevera: ① Isa imwe mvura yakachena mumudziyo wakashongedzerwa neshear agitator ② Tanga kubvongodza uchienderera nekumhanya kwakaderera, uye panguva imwe chete zvishoma nezvishoma wowedzera boka rehydroxyethyl mumushonga zvakaenzana ③Ramba uchimutsa kusvika. zvinhu zvese zvegranular zvakanyikwa ④Wedzera zvimwe zvinowedzera uye zvakakosha zvinowedzera, nezvimwe. ⑤Sveta kusvika zvese zvapera. Mapoka ehydroxyethyl akanyungudika zvachose, wobva wawedzera zvimwe zvikamu mufomu uye kugaya kusvika chigadzirwa chapera.
(2) 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.
(3), yakadanwa muporridge kuti ishandiswe 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, kusungirirana uye lubrication.
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 ezvidhinha 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.
Zviri nyore kuwedzera cellulose ether muupfu putty. Kugadzirwa kwayo uye kushandiswa zviri nyore. Iyo filler uye additives inogona kusanganiswa zvakaenzana muupfu hwakaoma.
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, kiyi ndeyekuti mvura iri pamusoro chete, uye iyo yemukati hydration ichiri isina kukwana, saka mhinduro yedambudziko iri ndeyekuwedzera masere ekuchengetedza mvura maajenti kune dhaka kongiri, kazhinji sarudza hydroxypropyl methyl. kana methyl Cellulose, iyo viscosity yakatarwa iri pakati pe20000-60000cps, uye mari yekuwedzera i2% -3%. Mwero wekuchengetedza mvura unogona kuwedzerwa kusvika kupfuura 85%. Nzira yekushandiswa mudhaka rekrete ndeyekusanganisa poda yakaoma zvakafanana uye kuidurura mumvura.
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. Rusvingo rwakanamwa nawo rwakanaka uye rwakatsetseka. Iyo nyowani yekuvaka light board inonamira chinhu chinonamira chakagadzirwa negypsum sehwaro zvinhu uye zvakasiyana-siyana zvinowedzera. Iyo yakakodzera kusungirirana pakati peakasiyana inorganic kuvaka madziro zvinhu. Haisi-chepfu, isina kunhuhwirira, simba rekutanga uye kumisa nekukurumidza, kusungirira kwakasimba uye humwe hunhu, chinhu chinotsigira mapuranga ekuvaka uye kuvaka block; gypsum caulking agent is gap filler pakati pegypsum board 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. Sezvo gypsum yakakamurwa kuita anhydrous gypsum uye hemihydrate gypsum, gypsum yakasiyana ine mhedzisiro yakasiyana pakuita kwechigadzirwa, saka kukora, kuchengetwa kwemvura uye kunonoka kunoona kunaka kwezvigadzirwa 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 yekuwedzera mari ndeye 1.5% -2%. Pakati pavo, cellulose inotarisa pakuchengetedza 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
Sarudza HPNC 20000cps yemushandisi weinterface, sarudza 60000cps kana kupfuura yekunamira mataira, uye tarisa pane gobvu mune interface agent, iyo inogona kuvandudza kusimba kwesimba uye anti-museve simba.
Nguva yekutumira: Feb-17-2023