Resin PVC enwetara site na polymerization bụ ihe na-akwụsighị ike nke ukwuu n'ihi nkwụsi ike ya dị ala & nnukwu agbaze viscosity. Ọ dị mkpa ka emegharịa ya tupu ịhazi ya ka ọ bụrụ ngwaahịa emechara. Enwere ike ịkwalite / gbanwee akụrụngwa ya site n'ịgbakwunye ọtụtụ ihe mgbakwunye, dị ka ihe nkwụnye ọkụ, UV stabilizers, plasticizers, modifiers, fillers, fire retardants, pigments, wdg.
Nhọrọ nke mgbakwunye ndị a iji welie akụrụngwa polymer dabere na ngwa njedebe chọrọ. Ọmụmaatụ:
1.Plasticizers (Phthalates, Adipates, Trimellitate, wdg) na-eji dị ka softening ọrụ welie rheological nakwa n'ibu arụmọrụ (ike, ike) nke vinyl ngwaahịa site na-ebuli okpomọkụ. Ihe na-emetụta nhọrọ nke plasticizers maka vinyl polymer bụ: ndakọrịta polymer; obere Volatility, ọnụ ahịa.
2.PVC nwere nkwụsi ike nke okpomọkụ dị ala na ndị na-eme ka ọkpụkpụ na-enyere aka igbochi mmebi nke polymer n'oge nhazi ma ọ bụ ikpughe na ìhè. Mgbe a na-ekpo ọkụ, ogige vinyl na-ebute mmeghachi omume dehydrochlorination nke na-emewanyewanye onwe ya na ihe ndị a na-edozi ahụ na-ewepụ HCl na-emepụta na-eme ka ndụ polymer dịkwuo mma. Ihe ndị a ga-atụle mgbe ị na-ahọrọ okpomọkụ stabilizer bụ: teknuzu chọrọ; nkwado usoro iwu; ọnụ ahịa.
A na-agbakwunye 3.Fillers na ogige PVC maka ihe dị iche iche. Taa, ihe ndochi nwere ike ịbụ ihe mgbakwunye arụmọrụ n'ezie site na ịnye uru n'ụzọ ọhụrụ na nke na-adọrọ mmasị na ọnụ ahịa nhazi kachasị ala. Ha na-enyere aka: ịbawanye isi ike na ike, melite arụmọrụ mmetụta, gbakwunye agba, opacity na conductivity na ndị ọzọ.
Calcium carbonate, titanium dioxide, calcined ụrọ, iko, talc wdg bụ ụdị ihe eji eme ihe na PVC.
4.External lubricants na-eji aka ire ụtọ Itie nke PVC gbazee site nhazi akụrụngwa. ebe mmanụ mmanye dị n'ime na-ebelata viscosity gbazee, gbochie ikpo oke ọkụ ma hụ na agba ngwaahịa dị mma.
5.Other mgbakwunye dị ka nhazi enyemaka, mmetụta modifiers, na-agbakwunyere welie n'ibu nakwa dị ka elu Njirimara nke PVC.
Oge nzipu: Dec-13-2022