Cellulose ether mukuchengetedza kwezvakatipoteredza kuvaka zvinhu

Basa uye kushandiswa kwe cellulose ether mukuchengetedza kwezvakatipoteredza kuvaka zvinhu

Cellulose etherisiri-ionic semi-synthetic polymer, inonyungudika nemvura uye inonyungudika maviri, mumaindasitiri akasiyana anokonzerwa nebasa akasiyana, senge mune zvekugadzira makemikari zvinhu, ine mubatanidzwa mhedzisiro:

① mvura inochengetedza mumiriri

② thickening agent

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. Pazasi ini ndinotarisa nezve kushandiswa kwe cellulose ether mukuchengetedza kwezvakatipoteredza kuvaka zvinhu uye basa.

1. latex pendi

Mumutsara wependi ye latex, kusarudza hydroxyethyl cellulose, iyo yakajairika ye viscosity ndeye RT3000-50000cps, iyo referensi dosage inowanzo 1.5 ‰-2 ‰. Basa guru re hydroxyethyl mu latex pendi ndere kukora, kudzivirira pigment gelation, kubatsira mukupararira kwe pigment, latex, kugadzikana, uye inogona kuvandudza viscosity yezvikamu, inobatsira pakuita kwekugadzirisa kwekuvaka: Hydroxyethyl cellulose iri nyore kushandisa, inogona kunyungudika mumvura inotonhora uye inopisa, uye haina kukanganiswa nePH kukosha, inogona kushandiswa pakati pePH kukosha 2 ne12, kushandiswa kweiyi nzira nhatu dzinotevera:

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I. Wedzera zvakananga:

Nezve nzira iyi, hydroxyethyl cellulose inononoka mhando - hydroxyethyl cellulose ine nguva yekuparara inopfuura maminitsi makumi matatu inofanira kusarudzwa. Maitiro acho ndeaya anotevera: (1) kuve nepamusoro kunofanira kucheka blender mudziyo uye yakawanda yakachena mvura (2) vanhu vakatanga kunonoka kubvongodza vachienderera, panguva imwe chete zvishoma nezvishoma vachiwedzera hydroxyethyl zvakaenzana kune mhinduro ye (3) ramba uchimutsa kusvika zvese. wet granular materials (4) kujoina zvimwe zvinowedzera uye alkaline additives (5) kurunga kusvikira yanyungudika zvachose hydroxyethyl yose, wedzera zvimwe zvikamu zveforoma, uchikuya kune chakapedzwa chigadzirwa.

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ⅱ. Akashongedzerwa nedoro raamai:

Iyi nzira inogona kusarudza yekutsanya - soluble cellulose, uye ine mildew - proof effect. Kubatsira kweiyi nzira kuve neyakakura kuchinjika, inogona kujoinha emulsioni pendi yakananga mukati, kugadzira nzira yakafanana ne ①-④ nhanho yakafanana.

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ⅲ, ine porridge yekushandisa:

Sezvo organic solvents ari urombo solvents (insoluble) nokuda hydroxyethyl, anogona kushandiswa kugadzira porridge. Iyo inonyanya kushandiswa organic solvents ndeye organic zvinwiwa mu latex pendi magadzirirwo, senge ethylene glycol, propylene glycol uye mafirimu ekugadzira ma agents (akadai sediethylene glycol butyl acetate), porridge hydroxyethyl cellulose inogona kuwedzerwa zvakananga kupende, mushure mekuwedzera, ramba uchikurunga kusvikira yapera zvachose.

2. 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, bonding, lubrication, nezvimwe.

Nekuti iyo putty formula yemugadziri wega wega haina kufanana, mamwe ari 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 kuve nekufinhwa 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.

3. dhaka 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 kusingaite, kiyi iri pamusoro, mvura uye hydration haisati yakwana, saka nzira dzekugadzirisa dambudziko iri, Mudhaka kongiri kazhinji sarudza kuwedzera hydroxypropyl methyl cellulose kana methyl cellulose, viscosity yakatarwa pakati pe20000-60000cps, kuwedzera huwandu. we2 ‰–3 ‰ kana zvakadaro, mvura yekuchengetedza mwero inogona kuwedzerwa kusvika kupfuura 85%, mudhaka rekongiri yekushandisa nzira yeupfu yakaoma yakaenzana yakasanganiswa mushure mekuwedzera mvura.

4. pendi gypsum, bonding gypsum, caulking gypsum

Nekukurumidza kusimukira kweindasitiri yekuvaka, kudiwa kwevanhu kwezvinhu zvitsva zvekuvaka kuri kuwedzerawo zuva nezuva, nekuda kwekuwedzera kwekuziva kwevanhu nezvekuchengetedzwa kwezvakatipoteredza uye kuenderera mberi kwekuvandudzwa kwehunyanzvi hwekuvaka, zvigadzirwa zvesimende zvegypsum zvave kukurumidza kukura. Parizvino iyo commonnest gesso goods ine stucco gesso, caking gesso, set gesso, tile caking agent yekumirira.

Plaster imhando yemhando yakanakisa yemukati madziro uye denga plastering zvinhu, neiyo yekupukuta madziro haina kusimba uye yakatsetseka, usadonhedze hupfu, uye base bond yakasimba, hapana kuputika kwechiitiko, uye ine basa rekudzivirira moto; Adhesive gypsum imhando nyowani yekuvaka mwenje bhodhi rinonamira, gypsum sechinhu chekutanga, pamwe nemhando dzakasiyana-siyana dzekuwedzera uye dzakagadzirwa nechinhu chinonamira, inokodzera marudzi ese ezvivakwa zvekuvaka zvivakwa zvemadziro zvinosungirirwa, zvisina-chepfu, zvisina kunaka, kutanga. simba uye kutsanya kugadzika, bonding ibhodhi rekuvaka, 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. Somugumisiro we gesso cent haina mvura gesso uye cent yehafu yemvura gesso, gesso yakasiyana yakasiyana nekushanda kwechigadzirwa, kuwedzera zvakanyanya, kudzivirira mvura, kunonoka coagulate unhu hunosarudza gesso zvokuvakisa. Dambudziko rakajairika rezvishandiso izvi igubhu rinoputika, simba rekutanga harina kusvika, kugadzirisa dambudziko iri, nderekusarudza rudzi rweselulosi uye retarding mumiririri wemushonga wekushandisa nzira dambudziko, mune izvi, sarudzo yakajairika yemethyl kana hydroxypropyl methyl. 30000–60000cps, kuwedzera huwandu 1.5 ‰–2 ‰ pakati, chinotariswa che cellulose kuchengetedza mvura uye kudzoreredza lubrication.

Zvisinei, mune izvi kuvimba cellulose eteri sezvo retarder haina 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 madziro akaoma, hwaro hwepamusoro hunotora 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.

5. dhaka rekudzivirira

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. Kazhinji, methyl cellulose ine yakakwira viscosity (inenge 10000eps) inosarudzwa, uye iyo dosi kazhinji iri pakati pe2 ‰ uye 3 ‰. Nzira yekushandiswa ndiyo yakaoma poda kusanganisa.

6. 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.