PVA mama: oru nkọwa na atụmatụ

PVA gluu, teknuzu e ji mara nke ị pụrụ ịhụ n'okpuru, bụ otu okenye dispersion nke polyvinyl acetate na mmepụta usoro ya tinye pụrụ iche mmadụ na plasticizers. Nke a mejupụtara na-etinyere maka hụ nile di iche iche nke na-ebupụta na ụdị osisi, akwụkwọ, textiles na akpụkpọ anụ.

Construction na anụ ụlọ ịkwanyere

PVA mama, nke ga-enyere gị aka ịmata oru e ji mara na a na-ahọrọ nwere ike anụ ụlọ, ọ bụ mgbe ụfọdụ a na-akpọ wallpapering. Ọ na-eji maka bonding isiokwu mere akwụkwọ dabeere na, na osisi, stucco na simenti na-ebupụta. E nwere ihe ọzọ dịgasị iche iche nke a mejupụtara, nke a na-akpọ ụlọ ahụ ma na-eji maka bonding iko eriri, akwụkwọ na vinyl wallpaper. Nke a ngwakọta ike-atụkwasịkwara primer ikwọ maka imeziwanye nkà na ụzụ Njirimara na adhesion nakwa dị ka plasta na lining ikwọ.

eluigwe na ala ịkwanyere

PVA gluu, teknuzu e ji mara nke na-e kwuru n'isiokwu a nwere ike ịbụ eluigwe na ala. O nwere ụdị a homogeneous viscous uka nke na-acha ọcha ma ọ bụ acha ụcha. Eji maka gluing akwụkwọ ma ọ bụ na-akpa ákwà na iko, osisi ma ọ bụ metal ebupụta. Ọ na-eji dị ka akụrụngwa shpaklovok, primers, cementitious ikwọ mere mmiri-isi. Universal mejupụtara nke ụdị na-enye ohere na-arapara n'elu linoleum, tile, kapeeti, mgbidi ikpuchi, sịntetik. Bonding nwere ike rụrụ na ụlọ okporo, a akwụkwọ mkpụrụ ma ọ bụ a mkpuchi nke okwuchi.

technical e ji mara

PVA mama agụmakwụkwọ, e ji mara nke na-enyere ndị na-agụ nwere a creamy udidi na-esi ísì nke vinyl mmanya. Nke a mejupụtara bụghị nsí, ọ bụ adịghị emerụ anụ. Nwekwara dị iche iche gburugburu ebe obibi enyi, na n'etiti ndị bụ isi e ji mara na-agụnye ndị magburu onwe nyagide ike, nke ịdị iche iche site 400 na 550 N / m. The mejupụtara bụghị mgbawa ma ọ bụ ọkụ odachi, nwere a àgwà nke mmiri mmiri impermeability na mmiri na-eguzogide. Clay PVA Universal, oru nkọwa nke ịmanye na-eji ọkụ ime ka ya oke bụ ụzọ ya, ndị na-abụghị na-egbu egbu na ike ga-eji ọbụna na ama egwuregwu. Ọ takọọ na kasị ntakiri shrinkage na ike jupụta na niile gaps. Ọ ga-eji na-etolite a uzo mkpa film nke nwere elu ike. The mejupụtara bụ soluble na a ọnụ ọgụgụ nke mkpa bekee, nke sakwuo mbara akporo nke iji. The nyagide bụ a ala na-eri, nke na-egosi na nnweta na n'ji.

Atụmatụ ihe extra klas-E

Na nke a na mejupụtara na-rụrụ bonding isiokwu mere si Alụlụụ permeable ihe onwunwe. Nke ikpeazụ bụ n'okpuru pụrụ iche a chọrọ maka bonding na ime technology. Mejupụtara zubere maka ojiji na plywood, osisi, akwụkwọ na katọn.

Atụmatụ nyagide dispersion

PVA gluu, nkọwa nke a ga-agụ tupu zuo,-eme dị ka mmako maka ogbunigwe na-eji na iko, obibi, na n'ebe ndị ọzọ nke akpụkpọ ụkwụ. Na mgbakwunye na nke dispersion mma adịgide ma na-enye ngwaahịa ike na ductility.

GOST 18992-80

PVA gluu, nkọwa, Standard nke na-e gosiri n'elu, o nwere a oyi na-eguzogide, nke na-egosipụta maka 4 cycles. Store mejupụtara mgbe rụpụta nwere ike ịbụ na ọnwa isii. Nke a ngwakọta na-egosi a ala eruba ọnụego. Kwa square mita ga-mkpa 100 na 900 grams nke ndị mejupụtara, nke ikpeazụ ọgụgụ ga-adabere na ụdị ọrụ mere. Full hardening etịbe ke ụbọchị.

The onuete amama mgbanwe, na elu ike. Juruoyi anaghị eme ka brittleness na nwere ike ịrụ ọrụ na gaps, obosara nke bụ ọtụtụ millimeters. Emulsified akụrụngwa bụ soluble na organic bekee na acetic acid. Ngwakọta bụ ikpe soluble n'ime mmiri.

Atụmatụ na-arụ ọrụ na mama

Mgbe na-eji ihe ndị mejupụtara na idozi ma ọ bụ na-ewu nke ya ngwa nwere ike rụrụ site na a pụrụ iche nozulu ma ọ bụ ntụtụ. Omume a ga-rụrụ site Central òkè nke isiokwu n'ọnụ. Iji dịkwuo bonding ike, n'elu ga-mbadamba ọnụ. Dabere na ụdị mgba mkpakọ nwere ike ịbụ ogologo oge ma ọ bụ obere. Na nke mbụ ahụ na-akọ na a technology nke na-agụnye ojiji nke vise.

ọgwụgwụ

Mgbe gluing akwụkwọ ewepu guzobe egosipụta, na nke a pụrụ isi kwuo ya nwere ike na-enweta site na iji a ala. Ọ bụrụ na ndị mejupụtara we bia n'iru elu, mgbe ahụ, wepu ya, i nwere ike iji ngwá ọrụ na-akpọ Anticlea.