Kev xaiv cov yas additives High polymer resins qhia cov yam ntxwv sib txawv vim cov qauv sib txawv, thiab tuaj yeem muab faib ua cov thermoplastic thiab thermosetting resins, crystalline thiab amorphous polymers raws li. Ntau hom resins muaj ntau txoj kev ua, thiab tib hom resin muaj ntau txoj kev ua thiab molding vim kev siv sib txawv ntawm cov khoom kawg, xws li: tshuab moulding, txhaj molding, slush molding, rotational molding, casting, calendering, extrusion , thiab lwm yam. Cov khoom yas zoo sib xws muaj cov kev xav tau sib txawv thiab cov khoom siv yas sib txawv vim lawv cov kev lag luam sib txawv.
Lub thermal stability ntawm ib co yas additives yog siab dhau lawm, uas tej zaum kuj yuav txwv nws txoj hauj lwm. Yog hais tias qhov decomposition kub ntawm cov foaming tus neeg sawv cev siab tshaj qhov kub ntawm foaming molding, cov nplaim hluav taws tsis tuaj yeem tsim cov tshuaj zoo lossis cov dawb radicals uas ntes cov dawb radicals, thaiv cov combustion saw cov tshuaj tiv thaiv, thiab lwm yam thaum nplaim hluav taws kub retardant substrate yog thermally decomposed.
Kev sib raug zoo nrog lub hauv paus cob Ntxiv nrog rau kev xav txog nws cov haujlwm tsim nyog, kev xaiv cov khoom siv ntxiv yuav tsum pib los ntawm qhov zoo sib xws thiab qhov sib txawv ntawm cov qauv ntawm lub hauv paus cob thiab cov yas additives los txiav txim qhov kev sib haum xeeb ntawm ob. Yas additives muaj kev sib raug zoo nrog lub hauv paus cob, yog li ntawd lawv yuav tsis deteriorate (tejzaum nws yuav txhim kho) lub cev-mechanical zog ntawm lub substrate, thiab kuj yuav txhim kho migration kuj thiab extraction kuj. Lub hauv paus rau kev txiav txim siab compatibility ntawm ob feem ntau yog nyob ntawm lub hauv paus ntsiab lus ntawm kev sib raug zoo sib xws. Cov qauv zoo sib xws, cov polarities zoo sib xws, thiab qhov hnyav molecular zoo sib xws yog txhua yam tsim nyog rau kev txhim kho kev sib raug zoo. Rau cov additives uas tsis zoo compatibility nrog lub hauv paus resin thiab nws yog ib qho nyuaj rau nce tus nqi ntawm additives, nws yog ib qhov tsim nyog yuav tau sim los txhim kho los yog txhim kho lawv compatibility, xws li siv ib tug compatibilizer los yog ib tug coupling neeg sawv cev los ua zoo tshuaj.