PVA mama: isi atụmatụ na ụdị

Ugbu a, PVA gluu kasị vasatail mama anya, n'ọtụtụ ebe na-ewu ewu na ọtụtụ ebe. Ọ na-eji dị ka schoolboys na ihe nke na-arụ ọrụ na ọrụ edo nkume maka echichi nke seramiiki taịl nile. The elu ewu ewu na nke a na ihe onwunwe bụ ruru ya mfe na ala nke iji, ọ dịghị na-egbu egbu umu anwuru na oké ọnụ price.

Traditional PVA gluu a homogeneous, kama viscous umi nke na-acha ọcha na agba, ji a elu ogo ike (site gluing) na ezi ntu oyi eguzogide.

Modern ụlọ ọrụ na-arụpụta ọtụtụ iche nke ngwaahịa a, nke dị iche na Ọdịdị na-abụ nke klas ibu, dị ka ọkọlọtọ mmiri eguzogide. The oke nke nyagide na-adabere na ojiji na kpọmkwem e ji mara nke ihe nke ga-arapara ọnụ. Site na nke a ọ na-adabere n'ụzọ dị ukwuu na ya pụta.

PVA mama eluigwe na ala nwere ndị dị otú ahụ e ji mara dị ka nyagide ike hà 400-450 N / m, ala mmanụ ụgbọala oriri, nso si otu narị itoolu grams kwa square mita (na-adabere ụdị ọrụ), a elu iguzogide ntu oyi, karịa anọ cycles akụrụngwa .

Ke adianade do, ọ bụ uru na-arịba ama zuru ezu ihicha oge na-abụkarị bụghị ihe karịrị iri abụọ na anọ awa, na a pụtara ogologo adị ndụ - isii ka ọnwa asaa.

Ka ụbọchị, PVA mama okụt ya ngwa dị iche iche ubi nke ọrụ. Ya iji na ibikwasị nke seramiiki taịl nile, na na mkpuchi wallpapered mgbidi, na ọbụna dị ka a nkịtị mmako ke iko ụlọ ọrụ.

Ụkọchukwu gluu, ọ dịghị ihe ọzọ na-egbu egbu ndị ọzọ nile na umu-eji na-hụ akwụkwọ, kaadiboodu na photos. Joiner, nke nwere akwa mmiri na-eguzogide na ezi adhesion, a na-eji na a dịgasị iche iche nke ngwá ụlọ. Mama "oge", ji kacha nta na ịpị oge na-etinyere mgbe ebikwasị parquet na laminate. Ke adianade do, e nwere a pụrụ iche PVA mama maka osisi na akpụkpọ anụ ngwaahịa. Ngwaahịa a bụ na-a dị mkpa akụrụngwa maka primers na fillers.

E nwere nyagide kpọmkwem haziri maka cladding na seramiiki taịl nile na-arụ ọrụ na kapet, homopolymer PVA mama eji na mmepụta nke ụlọ ihe, nakwa dị ka akwa na poselin ụlọ ọrụ. Ikpeazụ awade kacha ike ọnọdụ.

Environmental ọbụbụenyi, nchekwa, na price ka ọ bụla nke ndị a iche iche ihe onwunwe a nnọọ uru nnweta. Nke a, na mberede, na-akọwa otu n'ime ihe ndị mere na ọ bụ nke elu-ewu ewu. Dabere na nke a ọbụna na-emepụta "smart plasticine" - a pụrụ iche na ụmụ toy nwere ike ịgbanwe ya ala ma na-eme nnọọ ihe ọ bụla n'ụdị.

Ihe doro anya uru n'elu ọzọ ogige nke ụdị bụ isi ihe na ihe a na-taa n'ichepụta ụlọ ọrụ na-achọ ka mma Nwa nke PVA gluu, kama dịrị ọhụrụ adhesives.