Redispersible latex ntụ ntụ bụ ntụ ntụ nke enwetara site na ịgbasa-ihicha emulsion polymer wee gbakwunye ihe ndị emezigharịrị, nke enwere ike ịgbasa ka ọ bụrụ emulsion mgbe ọ zutere mmiri. A na-ejikarị ntụ ntụ latex redispersible eme ihe dị ka ihe mgbakwunye maka ngwa ngwa agwakọta akọrọ, nke nwere ọrụ nke imeziwanye ọrụ nke ngwa agha, na-eme ka mmiri dịkwuo mma, na-eme ka njikọ dịkwuo mma, na ịbawanye ike njikọ. Ọ bụ ụdị ọhụrụ nke ihe na-emetụta gburugburu ebe obibi. Ka ọ dị ugbu a, ekwesịrị ịgbakwunye ntụ ntụ latex na njikọta tile, mkpuchi mgbidi dị n'èzí, ọkwa onwe onye, ntụ ntụ putty, wdg iji kwalite njikọta na nguzogide sag nke ngwa agha.
The polymer emulsion eji na redispersible latex ntụ ntụ bụ tumadi polymer emulsion kpụrụ site na-agbakwunye otu ma ọ bụ abụọ monomers na vinyl acetate dị ka a monomer na China. Ugbu a, vinyl acetate-etylene copolymer emulsion, vinyl acetate - tumadi ethylene tertiary carbonate copolymer emulsion, ihe mgbakwunye ga-agbakwunyere na latex ntụ ntụ emepụtara iji melite mgbochi-caking na redispersibility. Otú ọ dị, n'ihi nhazi nke vinyl acetate, ike mbụ ya na ike ịgwọ mmiri adịghị mma n'ihe gbasara ịrapagidesi ike na bọọdụ mkpuchi na cement substrates.
Acrylic emulsion nwere ezigbo mmiri na-eguzogide ma na-eji ọtụtụ ebe na ụlọ ihe ụlọ ọrụ, ma ya kpọmkwem ihicha na ntụ ntụ spraying usoro bụ akabeghị aka, na ya hà na redispersible emulsion ntụ ntụ dị nnọọ obere, na adhesion nke acrylic emulsion bụ ogbenye, na ọ bụ. rapaara na ngwa agha. Ọganihu ezughi oke na ike njikọta na-egbochi ojiji nke emulsions acrylic.
Ebumnuche nke ntụ ntụ acrylic latex novel na usoro nkwadebe ya bụ iji nweta ngwaahịa uzuzu latex nwere ike ịdị n'otu na ezigbo mmachi.
1. Uzuzu latex na-agbanwe agbanwe nwere ezigbo mmachi, nke nwere ike imeziwanye njikọ nke ngwa agha ụlọ, mee ka adhesion dị n'etiti ngwa agha na isi ihe, ma mee ka ọrụ ahụ dịkwuo mma. Ọ dabara maka ihe owuwu ụlọ na ngwa agha nke chọrọ ike njikọ dị elu. ubi, atụmanya ahịa dị obosara.
2. N'ime usoro nhazi nke redispersible latex ntụ ntụ, a na-ahọrọ ọtụtụ emulsions polymer dabere na acrylic emulsion ma gwakọta ya dị ka usoro kwesịrị ekwesị si dị, nke nwere ike inye egwuregwu zuru oke maka uru ha dị iche iche, melite arụmọrụ nke latex ntụ ntụ, na gbasaa oghere nke ntụ ntụ latex. akporo ngwa.
3. Na nkwadebe nke redispersible latex ntụ ntụ, a na-ekpo ọkụ na-ekpo ọkụ ozugbo site na ikpo ọkụ na ntanetị, nke na-eme ka redispersibility nke latex ntụ ntụ.
4. Na usoro usoro nke redispersible latex ntụ ntụ, a na-ahọrọ ụdị abụọ nke ngwakọta nke calcium carbonate, talcum powder, kaolin na silicon dioxide dị ka ndị na-eme ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-adịghị mma nke 1: 1-2, nke mere na latex ntụ ntụ. Ihe mkpuchi ahụ na-edokarị anya ma na-emeziwanye ihe mgbochi ime ihe nke ntụ ntụ latex.
5. Na usoro nhazi nke redispersible latex ntụ ntụ, otu ma ọ bụ ngwakọta nke silicone defoamer na mineral mmanụ defoamer na-ahọrọ dị ka defoamer na a uka ruru nke 1: 1, nke na-eme ka ihe nkiri na-emepụta ihe nke latex ntụ ntụ. na-eme ka ike njikọ nke ngwa agha dịkwuo mma.
6. Usoro nkwadebe nke redispersible latex ntụ ntụ dị mfe ma dị mfe ịghọta mmepụta ihe.
Oge nzipu: Mar-01-2023