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1 Ulwazi oluyisisekelo Umbuzo 1 Mangaki amasu okwakha akhona okunamathisela amathayili nge-adhesive adhesive? Impendulo: Inqubo yokunamathisela i-ceramic tile ngokuvamile ihlukaniswe yaba izinhlobo ezintathu: indlela yokwemboza emuva, indlela yokuhlanganisa isisekelo (eyaziwa nangokuthi indlela ye-trowel, indlela yokunamathisela emincane), kanye nenhlanganisela ...Funda kabanzi»
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1 Izinkinga ezijwayelekile ku-wall putty powder: (1) Iyoma ngokushesha. Lokhu kungenxa yokuthi inani le-ash calcium powder elingeziwe (likhulu kakhulu, inani lomlotha we-calcium powder elisetshenziswe kufomula ye-putty lingancishiswa ngokufanele) lihlobene nezinga lokugcinwa kwamanzi kwe-fiber, futhi lihlobene .. .Funda kabanzi»
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I-tile glue, eyaziwa nangokuthi i-ceramic tile adhesive, isetshenziswa kakhulu ukunamathisela izinto zokuhlobisa ezifana namathayili e-ceramic, amathayela abheke phansi, namathayili aphansi. Izici zayo eziyinhloko amandla okubopha okuphezulu, ukumelana namanzi, ukumelana neqhwa, ukumelana nokuguga okuhle nokwakhiwa okulula. Kuyinto kakhulu...Funda kabanzi»
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IHydroxypropyl methylcellulose HPMC wuhlobo lwe-non-ionic cellulose exubile ether. Ngokungafani ne-ionic methyl carboxymethyl cellulose ether exubile, ayisebenzi ngezinsimbi ezinzima. Ngenxa yezilinganiso ezihlukene zokuqukethwe kwe-methoxyl nokuqukethwe kwe-hydroxypropyl ku-hydroxypropyl methylcellulose kanye ne-v...Funda kabanzi»
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I-Cellulose ether iyi-polymer yokwenziwa eyenziwe nge-cellulose yemvelo ngokuguqulwa kwamakhemikhali. I-Cellulose ether iphuma ku-cellulose yemvelo. Ukukhiqizwa kwe-cellulose ether kuhlukile kuma-polymers okwenziwa. Impahla yayo eyisisekelo i-cellulose, isakhi se-polymer yemvelo. Ngenxa ye ...Funda kabanzi»
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Isifinyezo: 1. I-ejenti yokumanzisa nokuhlakaza 2. I-Defoamer 3. I-Thickener 4. Izithako ezakha ifilimu 5. I-anti-corrosion, i-anti-mildew kanye ne-anti-algae ejenti 6. Ezinye izithasiselo 1 I-ejenti yokumanzisa nokuhlakaza: I-coatings yamanzi isebenzisa amanzi njenge-solvent noma i-dispersion medium, futhi amanzi ane-dielectric con enkulu ...Funda kabanzi»
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Iyini indima ye-ejenti yokugcina amanzi exutshwe ku-gypsum powder material? Impendulo: i-gypsum plastering, i-gypsum eboshiwe, i-caulking gypsum, i-gypsum putty nezinye izinto zokwakha zempuphu zisetshenziswa. Ukuze kube lula ukwakhiwa, ama-retarders e-gypsum ayengezwa ngesikhathi sokukhiqiza ukuze andise isikhathi ...Funda kabanzi»
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1. Iyini ukusetshenziswa okuyinhloko kwe-hydroxypropyl methylcellulose (HPMC)? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, ezinengilazi, izinsalela zokwenziwa, izitsha zobumba, imithi, ukudla, izindwangu, ezolimo, izimonyo, ugwayi nezinye izimboni. I-HPMC ingahlukaniswa ngebanga lokwakha, ibanga lokudla kanye...Funda kabanzi»
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I-Cellulose isetshenziswa kakhulu ku-petrochemical, imithi, ukwenza iphepha, izimonyo, izinto zokwakha, njll. Isengezo esisebenza ngezindlela eziningi, futhi ukusetshenziswa okuhlukile kunezidingo zokusebenza ezihlukene zemikhiqizo ye-cellulose. Lesi sihloko sethula kakhulu ukusetshenziswa kanye nendlela yokuhlonza ikhwalithi ye-HPM...Funda kabanzi»
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Ezimonyoni, kunezinto eziningi zamakhemikhali ezingenambala nezingenaphunga, kodwa zimbalwa izinto ezingenabuthi. Namuhla, ngizokwethula, i-hydroxyethyl cellulose, evame kakhulu kuzimonyo eziningi noma izidingo zansuku zonke. IHydroxyethyl Cellulose【I-Hydroxyethyl Cellulose】 Eyaziwa nangokuthi (HEC) imhlophe ...Funda kabanzi»
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Uhlolojikelele: olubizwa nge-HPMC, i-fibrous emhlophe noma emhlophe noma impushana eyimbudumbudu. Kunezinhlobo eziningi ze-cellulose futhi zisetshenziswa kabanzi, kodwa ikakhulukazi sithintana namakhasimende embonini yezinto zokwakha ezimpuphu ezomile. I-cellulose evame kakhulu ibhekisela ku-hypromellose. Inqubo yokukhiqiza: I-r...Funda kabanzi»
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I-CMC imvamisa iyinhlanganisela ye-anionic polymer elungiswa ngokuphendula i-cellulose yemvelo nge-caustic alkali ne-monochloroacetic acid, enesisindo samangqamuzana esingu-6400 (±1 000). Imikhiqizo eyinhloko yi-sodium chloride ne-sodium glycolate. I-CMC ingeyokuguqulwa kwe-cellulose yemvelo. Bekuvaliwe...Funda kabanzi»