Polima ntụ ntụ na-agbanwe agbanwebụ isi ihe mgbakwunye maka akọrọ ntụ ntụ njikere-ngwakọta ngwa agha dị ka ciment dabeere ma ọ bụ gypsum dabeere.
Redispersible latex ntụ ntụ bụ emulsion polymer nke a na-efesa na-agbakọta ma gbakọta site na 2um mbụ iji mepụta akụkụ okirikiri nke 80 ~ 120um. N'ihi na a na-ekpuchi elu nke ihe ndị ahụ na inorganic, ntụ ntụ na-eguzogide siri ike, anyị na-enweta ntụ ntụ polymer akọrọ. A na-awụsa ha ngwa ngwa ma ọ bụ tinye ha maka nchekwa n'ụlọ nkwakọba ihe. Mgbe a na-agwakọta ntụ ntụ na mmiri, ciment ma ọ bụ ụrọ dabeere na gypsum, ọ nwere ike ịgbasa ya, na ihe ndị bụ isi (2um) n'ime ya ga-emeghachi ka ọ bụrụ steeti kwekọrọ na latex mbụ, ya mere a na-akpọ ya redispersible latex powder.
Ọ nwere ezi redispersibility, re-agbasasị n'ime emulsion na kọntaktị na mmiri, na nwere kpọmkwem otu chemical Njirimara dị ka nke mbụ emulsion. Site n'ịgbakwunye ntụ ntụ polymer redispersible na ciment dabeere ma ọ bụ gypsum ntụ ntụ ntụ ntụ njikere agwakọta ngwa agha, a pụrụ imeziwanye ihe dị iche iche nke ngwa agha,
Ebe ihe owuwu etinyere
1 Sistemụ mkpuchi mgbidi mpụga
Ọ nwere ike hụ na adhesion dị mma n'etiti ngwa agha na osisi polystyrene na ihe ndị ọzọ, ọ dịghịkwa mfe ịgbanye ma daa. Mgbanwe agbanwe agbanwe, mmegide mmetụta na ike mgbape ka mma.
2 tile nrapado
Na-enye njikọ dị elu na ngwa agha ahụ, na-enye ngwa agha ahụ mgbanwe zuru oke iji mebie ọnụọgụ mgbasawanye okpomọkụ dị iche iche nke mkpụrụ na tile.
3 akpa
Uzuzu polymer a na-emegharị emegharị na-eme ka ngwa agha ahụ ghara ikpochapụ ma gbochie ntinye mmiri. N'otu oge ahụ, ọ nwere ezigbo adhesion na nsọtụ nke tile, obere shrinkage na mgbanwe.
4 ngwa ngwa interface
Ọ nwere ike imechi oghere nke mkpụrụ osisi ahụ nke ọma, belata mmịpụta mmiri nke mgbidi ahụ, meziwanye ike elu nke mkpụrụ ahụ, ma hụ na adhesion nke ngwa agha.
5 Ngwa agha ala na-ebuli onwe ya
Meziwanye mgbape mgbape nke ịkwado onwe gị, mee ka ike ejikọta ya na oyi akwa nke ala, meziwanye nchikota, mgbawa mgbawa na ịgbagha ike nke ngwa agha.
Ngwa ngwa mmiri na-adịghị 6
Uzuzu latex na-agbanwe agbanwe nwere ike melite arụmọrụ; na-abawanye njigide mmiri; melite ciment hydration; belata modul nke ngwa agha ma kwalite ndakọrịta na oyi akwa isi. Melite njupụta ngwa agha, welie mgbanwe, mgbape mgbape ma ọ bụ nwee ikike ijikọta.
7 rụkwaa ngwa agha
Gbaa mbọ hụ na adhesion nke ngwa agha na-abawanye ogologo oge nke elu emeziri. Iweda modul na-agbanwe agbanwe na-eme ka ọ bụrụ ihe na-egbochi nsogbu.
8 putty
Belata modul na-agbanwe nke ngwa agha ahụ, kwalite ndakọrịta na oyi akwa isi, mee ka mgbanwe ahụ dịkwuo elu, mgbochi mgbawa, melite iguzogide ntụ ntụ, nke mere na putty nwere ụfọdụ impermeability na mmiri na-eguzogide mmiri, nke nwere ike imebi mmebi nke nrụgide okpomọkụ. .
Oge nzipu: Ọktoba 25-2022