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MHEC (Methyl Hydroxyethyl Cellulose) imwe polymer yakagadzirwa ne cellulose iyo inowanzo shandiswa sekuwedzera mukushandiswa kwe simende. Ine zvakanakira zvakafanana neHPMC, asi ine misiyano muhunhu. Izvi zvinotevera mashandisirwo eMHEC mumaplaster e cementitious: Wa...Verenga zvakawanda»
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RDP (Redispersible Polymer Powder) chinhu chinoshandiswa pakugadzira zvinhu zvekuvaka, kunyanya muzvigadzirwa zvesimende zvakaita semortar, adhesives uye tile grouts. Chine polymer resins (inowanzo shandiswa pavinyl acetate ne ethylene) nezvimwe zvinhu zvakasiyana-siyana. RDP powder inonyanya kushandiswa pakugadzira zvinhu zvekuvaka, kunyanya muzvinhu zvakagadzirwa nesimende zvakaita semortars, adhesives uye tile grouts. Inosanganisira polymer resins (inowanzo shandiswa pavinyl acetate ne ethylene) nezvimwe zvinhu zvinowedzerwa. RDP powder inonyanya kushandiswa pakugadzira zvinhu zvekuvaka.Verenga zvakawanda»
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Methylhydroxyethylcellulose (MHEC) chinhu chinoshandiswa zvakanyanya muzvinhu zvakagadzirwa nesimende zvakaita sedhaka nekongiri. Ndechemhuri ye cellulose ethers uye inotorwa kubva mu cellulose yechisikigo kuburikidza nemaitiro ekugadzirisa makemikari. MHEC inonyanya kushandiswa sechinosimbisa, kuchengetedza mvura...Verenga zvakawanda»
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HPMC, inozivikanwawo sehydroxypropyl methylcellulose, imusanganiswa wemhuri ye cellulose ethers. Inobva ku cellulose, polymer yechisikigo inowanikwa mumadziro emasero emiti. HPMC inoshandiswa zvakanyanya muindasitiri yekuvaka nekuda kwehunhu hwayo hwemabasa akawanda. HPMC inowanzoshandiswa se...Verenga zvakawanda»
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Upfu hunonyungudika hweVinyl acetate ethylene (VAE) copolymer inonyungudika hupfu hunoshandiswa zvakanyanya muindasitiri yekuvaka. Upfu hunoyerera huchigadzirwa nekupfapfaidza musanganiswa wevinyl acetate monomer, ethylene monomer nezvimwe zvinowedzera. Upfu hunonyungudika hweVAE copolymer hunowanzo...Verenga zvakawanda»
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Hydroxypropyl methyl cellulose (HPMC) ipolymer isiri ionic, iyo isina ionic cellulose ether yakagadzirwa ne cellulose yepolymer yechisikigo. Chigadzirwa chacho hachina hwema, hachina kunaka, hachina chepfu, chinogona kunyungudutswa mumvura inotonhora kuti chigadzire mhinduro yakajeka ine viscous, ine kukora, kubatana, uye...Verenga zvakawanda»
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Upfu hweputty yemadziro yemukati nekunze, kunamira mataira, chinhu chinonongedzera mataira, chinhu chinogadzirisa hupfu hwakaoma, chinhu chinodzivirira kupisa chekunze chemadziro ekunze, chinhu chinozvienzanisa, chinhu chinogadzirisa, chinhu chinoshongedza, chinhu chinodzivirira kupisa chekunze chekunze. Muchinhu chino...Verenga zvakawanda»
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Putty powder imhando yezvinhu zvekushongedza chivako, zvinhu zvikuru i talcum powder neglue. Rutivi ruchena ruri pamusoro peimba isina chinhu rwuchangobva kutengwa iputty. Kazhinji kuchena kweputty kunopfuura 90° uye kupfava kuri pamusoro pe330°. Putty imhando yezvinhu zvepasi zvinoshandiswa...Verenga zvakawanda»
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Mumortar yakasanganiswa, chero bedzi cellulose ether diki ichigona kuvandudza mashandiro emortar yakanyorova, zvinogona kuonekwa kuti cellulose ether chinhu chikuru chinokanganisa mashandiro emortar. Kusarudzwa kwemhando dzakasiyana, viscosities dzakasiyana, pa...Verenga zvakawanda»
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Pakugadzira nekushandisa putty powder, tichasangana nematambudziko akasiyana-siyana. Nhasi, zvatiri kutaura nezvazvo ndezvekuti kana putty powder ikasanganiswa nemvura, paunonyanya kusanganisa, putty inotetepa, uye chiitiko chekuparadzaniswa kwemvura chichava chakakomba. Chikonzero chikuru chedambudziko iri...Verenga zvakawanda»
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Mumakore achangopfuura, hupfu hwakawanda hwerabha hweresin, hupfu hwerabha husingapindi mvura nesimba uye humwe hupfu hwerabha hwakachipa hwakaonekwa pamusika kuti hutsive emulsion yechinyakare yeVAE (vinyl acetate-ethylene copolymer), iyo inoomeswa nespray uye inogadzirwa nehupfu hwerabha hunogona kushandiswazve. Paradzira...Verenga zvakawanda»
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Hydroxypropyl methylcellulose (HPMC) imhando ye non-ionic cellulose ether yakagadzirwa ne natural polymer material cellulose kuburikidza nemaitiro akasiyana-siyana emakemikari. Iupfu huchena husina hwema, husina kunaka uye husina chepfu hunozvimba kuita colloidal solution yakajeka kana ine makore mashoma mumvura inotonhora. Ine...Verenga zvakawanda»