A ga-eji ọkọlọtọ ASTM ọhụrụ nwalee ịdịmma silica, akụrụngwa nke na-eme ntọala maka taya “greener”.Ụlọ ọrụ taya na ndị na-emepụta silica ga-abụ ndị ọrụ mbụ nke ọkọlọtọ ọhụrụ (D8016, Test Method for Silica, Precipitated, Hydrated - Sears Number).Dị ka onye otu ASTM Jorge Lacayo-Pineda si kwuo, teknụzụ silica na-eme ka arụ ọrụ dị n'ịgbagharị taya na-enweghị mmebi na arụmọrụ breeki.Nke a na-eduga n'ịrụ ọrụ mmanụ ọkụ ka mma, yana mbelata ikuku carbon dioxide n'ime ụgbọ ala.Ụlọ ọrụ rọba, ndị bụ isi ndị na-eji silica eme ihe, nwere ike imeziwanye nkọwa ha ma hụ na ngwaahịa dị mma site na ịnwale ọkọlọtọ ọhụrụ, ọ na-ekwu.Kọmiti nke ASTM mebere D8016 na-ezube ime ule robin n'oge opupu ihe ubi na-abịa iji nyochaa nkenke ọkọlọtọ ọhụrụ ahụ.A na-akwado ụlọ nyocha ụlọ ọrụ rọba, ndị na-emepụta silica na ụlọ akwụkwọ agụmakwụkwọ ka ha sonye.A ga-enye ndị sonyere n'ọmụmụ ihe ihe nlele iji nyochaa dịka ọkọlọtọ ọhụrụ ahụ siri dị.
Silica gbara mmiri
Njikọ, mgbochi adhesion, mgbochi caking, coagulation, achịkwa ntọhapụ, ebu, eruba enyemaka, mma obibi mmetụta, n'ibu edinam, pụrụ iche additives maka thermoplastic, mkwado, rheological akara na ọcha.Hydrophobic silica na-agwọta site na mgbanwe elu na-adị mfe soluble na mmanụ.Mgbe a na-eji ya dị ka ihe na-agba ume na rọba na rọba, a ga-emeziwanye ike n'ibu na nguzogide anya mmiri nke ngwaahịa ya.
Silica gbara mmiri nwere ọtụtụ ihe eji eme ihe, ngwaahịa dị iche iche nwere ojiji dị iche iche.Dị ka ezigbo onye na-agba ume maka roba sịntetik, arụmọrụ ya na-eme ka ọ dị elu bụ nke abụọ na carbon ojii, na ọbụna mma karịa carbon ojii mgbe ọgwụgwọ elu dị mma na nke kwesịrị ekwesị.Ọ kachasị mma maka imepụta ngwaahịa roba na-acha ọcha, agba na agba agba.A na-eji ya dị ka thickener ma ọ bụ thickener, onye na-agwakọta mmanụ sịntetik na mkpuchi mkpuchi, onye na-ahụ maka agba agba, onye na-ahụ maka thixotropic nke ihe nkwakọ ngwaahịa eletrọnịkị, precipitant nke phosphor n'oge mkpuchi ihuenyo fluorescent, onye na-ebi akwụkwọ agba agba roba efere na onye ntọhapụ ebu maka nkedo. .Ịtinye n'ime resin nwere ike imeziwanye ihe mgbochi mmiri na ihe mkpuchi nke resin.Imeju ngwaahịa rọba nwere ike ịbawanye nguzogide skid na nguzogide mmanụ.
Oge nzipu: Jun-22-2021