Mmetụta nke Resin Stability
PVC resin bụ okpomọkụ-enwe mmetụta ihe onwunwe, na e nwere ọtụtụ ntụpọ na ya molekụla Ọdịdị, dị ka abụọ agbụ, Allyl otu, residual initiator ọgwụgwụ otu, wdg Dị ka usoro nke free radicals, ndị a ntụpọ na-adị mfe rụọ ọrụ site okpomọkụ na ìhè na-etolite free radicals.N'okpuru ọrụ nke free radicals, polyvinyl chloride na-enweta mmiri mmiri chlorination na mmebi dị ka usoro agbụ si dị.Mmeghachi omume dehydrochlorination na-aga n'ihu na-emepụta usoro polyene nke njikọ abụọ jikọtara ọnụ na agbụ isi nke molekul polyvinyl chloride, nke bụ usoro chromogenic.Ọ bụrụhaala na ọnụ ọgụgụ nke njikọ abụọ jikọtara ọnụ ruru 5 ~ 7, polyvinyl chloride na-amalite Discoloration, mgbe ọ gafere 10, ọ na-atụgharị edo edo, usoro njikọ ahụ na-aga n'ihu na-agbatịkwu ogologo, na agba nke polyvinyl chloride ji nwayọọ nwayọọ na-amụba, na n'ikpeazụ ghọọ aja aja ma ọ bụ. ọbụna oji.Ịkwado nkwụsi ike nke PVC na nhazi okpomọkụ bụ ntọala nke ọrụ niile toning na whitening.
Mmetụta nke okpomọkụ
A na-eme ka profaịlụ PVC plastik mee plastik ma guzobe na okpomọkụ nke 185 ~ 195 Celsius C, na oge ikpo ọkụ dị ka nkeji ole na ole, nke na-achọ ka pigmenti na ihe na-egbuke egbuke na-eji na-enwe nkwụsi ike dị elu.N'ihi na rutile titanium dioxide, ya crystal Ọdịdị bụ cube, Ti atọm na O atọm na-anya ndokwa, kristal Ọdịdị bụ nnọọ ike, na ọ ka nwere ike ịnọgide na-enwe nkwụsi ike nke Ọdịdị na ọrụ n'okpuru nhazi okpomọkụ nke PVC profaịlụ;ultramarine bụ aluminum silicate.Ngwakọta ndị nwere sọlfọ, nguzogide okpomọkụ dịkwa oke mma.Otú ọ dị, maka ndị na-emepụta ihe na-acha ọkụ ọkụ, ụdị dị iche iche nke ndị na-acha ọkụ ọkụ na-enwekwa ọdịiche na arụmọrụ ha na-eguzogide okpomọkụ.
Mmetụta acid
A na-ejikọta usoro nhazi nke PVC mgbe niile site na nbibi nke mkpụrụ ndụ PVC, a na-emepụtakwa nnukwu hydrogen chloride n'oge usoro nbibi.Hydrogen chloride gas na oke okpomọkụ na-emebi emebi na acidic.N'ime ihe atọ ndị dị n'elu, TiO2 nwere nguzogide corrosion acid kachasị elu, na-esote ndị na-acha ọcha fluorescent, na ultramarine blue bụ nke kachasị njọ (na gburugburu acidic, ultramarine blue na-agbanwe site na-acha anụnụ anụnụ gaa na-acha ọcha ma na-emepụta nnukwu afụ).Ihe mere a ka na-eji ultramarine acha anụnụ anụnụ na profaịlụ profaịlụ kama phthalocyanin acha anụnụ anụnụ nwere nguzogide acid ka mma bụ n'ihi na ike tinting nke phthalocyanine blue dị ike, nke dị ihe dị ka ugboro 20 ~ 40 nke ultramarine blue.Ikike ịgwakọta nke igwekota, ihe mgbakwunye nke ultramarine acha anụnụ anụnụ na nha ọ bụla bụ naanị 5 ~ 20g.Ọ bụrụ na ejiri phthalocyanin acha anụnụ anụnụ dochie ya, ego mgbakwunye dị ntakịrị, na njehie nha dị ukwuu, nke ga-eme ka ogbe profaịlụ pụta.Nnukwu chromatic aberration.
Mmetụta nke adjuvants
Ngwá ọrụ mmepụta na teknụzụ nke profaịlụ plastik PVC na mba m na-ebubata na Europe na United States.A ka nwere ọnụọgụ ndu na ya.sọlfọ dị na blue ultramarine nwere ike iji ụzọ dị na stabilizer na-emekọrịta ihe, na-ebute profaịlụ ojii sulfide emetọọ.
Mmetụta nke brightener onunu ogwu
Titanium dioxide bụ ihe ndabere maka toning naịcha ọchanke profaịlụ PVC ọcha.Ka ọnụ ọgụgụ nke titanium dioxide na-abawanye, ịdị ọcha nke ngwaahịa na-abawanye.
Na mgbakwunye, dị ka onye na-ahụ maka nchekwa UV bụ isi na imepụta ihe profaịlụ, usoro onunu nke titanium dioxide nwekwara ụfọdụ ihe achọrọ.N'ikwu okwu n'ozuzu, usoro onunu ogwu nke titanium dioxide kwesịrị iru 4 ~ 8phr.
A na-eji Ultramarine blue na-eji "ekpuchi edo edo" iji nweta nzube nke ịcha ọcha.Ọ bụrụ na usoro onunu ogwu dị obere, mmetụta na-acha ọcha adịghị mma.Ọ bụrụ na usoro onunu ogwu ahụ buru ibu, ọ dị mfe ime ka ihe profaịlụ ahụ pụta ìhè na-acha anụnụ anụnụ ma mepụta sulfide ndị ọzọ, nke na-emetụta gloss elu nke ihe profaịlụ.Ya mere, a na-achịkwa usoro ọgwụgwọ ya ka ọ bụrụ ihe dịka 0.5% nke usoro onunu ogwu nke titanium dioxide.
Ndị na-acha ọcha fluorescentnwere ike ịmịkọrọ ụzarị ultraviolet nke ọma nke otu ogologo ogologo ma na-ebunye ha n'ụdị ìhè a na-ahụ anya.Site na mmụba nke ọnụ ọgụgụ nke onye na-acha ọcha fluorescent, ịdị ọcha nke ngwaahịa na-abawanye;ma mgbe onye na-acha ọkụ ọkụ na-acha ọkụ na-erute ụfọdụ ntinye uche, na-aga n'ihu na-abawanye ụbara enweghị mmetụta dị ịrịba ama na ọcha nke profaịlụ PVC, na mgbe ụfọdụ ọ na-ebelata, na ọnụ ọgụgụ buru ibu.A ghaghị ịtụle mmetụta na-arụ ọrụ nhazi na ihe anụ ahụ na arụ ọrụ nke ihe profaịlụ.
Oge nzipu: Mar-26-2022