mbụ. Buru ụzọ ghọta ihe bụpolymer ntụ ntụ redispersible.
Dispersible polymer powders bụ powdered polymers kpụrụ si polymer emulsions site ziri ezi ịgba ihicha usoro (na nhọrọ nke kwesịrị ekwesị mgbakwunye). Na akọrọ polymer ntụ ntụ amama n'ime emulsion mgbe ọ na-ezute mmiri, na ike dehydrated ọzọ n'oge coagulation na hardening usoro nke ngwa agha, nke mere na polymer ahụ na-etolite a polima ahu Ọdịdị na ngwa agha, nke yiri usoro nke ime ihe. emulsion polymer, nke nwere ike melite ngwa ngwa ciment. mmetụta mmekọahụ. Emulsion akọrọ ntụ ntụ gbanwetụrụ ngwa agha na-akpọ akọrọ ntụ ntụ ngwa agha (nke a makwaara dị ka akọrọ agwakọta ngwa agha, akọrọ agwakọta ngwa agha). Ebe ọ bụ na akọrọ ntụ ntụ adịghị mkpa iji tụlee emulsion formulation na nkwụsi ike dị ka polymer emulsions, a obere ego nke admixture nwere ike ime ka ngwa agha nweta ihe ndị a chọrọ, na ọ nwere uru nke mfe nkwakọ, nchekwa, njem na ọkọnọ karịa emulsions, antifreeze na ọ dịghị. ebu ibu, Nsogbu nke nje bacteria dị ndụ, na uru na ọ nwere ike ime ka ọ bụrụ otu ihe mejupụtara ya na nkwakọ ngwaahịa dị njikere dị ka ciment na ájá, a pụkwara iji ya mee ihe mgbe ị gbakwunyere mmiri.
Mgbe itinye, mix na mkpọ ájá, ciment, emulsion akọrọ ntụ ntụ na ndị ọzọ inyeaka nwekwara n'ihu, na naanị mkpa ka ịgbakwunye a ụfọdụ ego nke mmiri n'oge on-site ewu na-eme ka akọrọ ntụ ntụ ngwa agha na mma arụmọrụ. Isi nke mmepụta nke akọrọ emulsion ntụ ntụ bụ na polymer ahụ mgbe redispersion nke latex ntụ ntụ na-egosi a urughuru size ma ọ bụ urughuru size dispersion yiri nke mbụ emulsion polymer ahụ. A ga-agbakwunye ụfọdụ colloid nchebe dị ka mmanya polyvinyl na emulsion, nke mere na uzuzu latex nwere ike gbasaa ọzọ n'ime emulsion mgbe ọ na-akpọtụrụ mmiri. Naanị na ezi dispersibility nwere ike na latex ntụ ntụ nweta mmetụta kacha mma. . Polima ntụ ntụ na-ekesa na-abụkarị ntụ ntụ. Ihe mejupụtara ya gụnyere:
Polymer resin: Ọ dị n'ime akụkụ bụ isi nke uzuzu uzuzu rọba, ọ bụkwa akụkụ bụ isi nke uzuzu polymer redispersible.
Ihe mgbakwunye (ime): yana resin, ọ na-arụ ọrụ nke imezi resin. Ihe mgbakwunye (mpụta): A na-agbakwunye ihe ndị ọzọ iji gbasaa arụmọrụ nke ntụ ntụ polymer na-ekesa.
Colloid na-echebe: oyi akwa nke ihe hydrophilic nke a fụchiri n'elu ihe mkpofu latex na-agbanwe agbanwe, colloid nchebe nke ọtụtụ ntụ ntụ a na-emegharị emegharị bụ mmanya polyvinyl.
Ihe na-egbochi ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị mma, nke a na-ejikarị egbochi ntụ ntụ rọba ka ọ ghara ime ya n'oge nchekwa na njem na iji mee ka ntụ ntụ rọba na-eruba (nke a na-esi na akpa akwụkwọ ma ọ bụ tanker.)
Kedu ka esi amata àgwà uzuzu latex redispersible?
Usoro 1, usoro ash
Were ụfọdụ ntụ ntụ latex na-emegharị emegharị, tinye ya n'ime ite ọla mgbe ị tụchara, kpoo ya ruo ihe dị ka ogo 500, mgbe ị na-agbanye na okpomọkụ dị ogo 500, mee ka ọ dị jụụ n'ime ụlọ, ma tụọ ọzọ. Ibu arọ na ezigbo mma.
Usoro nke abụọ, usoro mgbasa
Were obere ntụ ntụ latex na-agbaze ma gbazee ya n'ime mmiri 5 ugboro ugboro, kpalite nke ọma ma hapụ ya ka ọ guzoro maka nkeji ise tupu i lelee ya. Na ụkpụrụ, obere ntinye nke na-abanye n'ime ala oyi akwa, mma mma nke redispersible polymer ntụ ntụ. Usoro a dị mfe ma dị mfe ime.
Usoro nke atọ, usoro mmepụta ihe nkiri
Were otu ụdị ntụ ntụ latex na-agbanwe agbanwe, gbazee ya ugboro abụọ na mmiri, kpalie ya nke ọma, hapụ ya ka ọ guzoro maka nkeji 2, kpalie ya ọzọ, wụsa ihe ngwọta na iko dị larịị dị larịị, tinye iko ahụ n'ebe a na-eku ume. . Wepu mgbe akọrọ zuru oke. Lelee ihe nkiri polymer wepụrụ. High nghọta na ezigbo mma. Mgbe ahụ dọpụta ya nke ọma, na-eji ezigbo mma na mma dị mma. A na-egbutu ihe nkiri ahụ n'ime ibe, na-emikpu n'ime mmiri, ma hụ mgbe 1 ụbọchị gasịrị, àgwà nke ihe nkiri ahụ adịchaghị agbaze na mmiri. Usoro a bụ ebumnuche ọzọ
Oge nzipu: Ọktoba 27-2022