Gyaran kwalta shine ƙara abubuwan haɓakawa na waje (masu gyara) kamar roba, guduro, manyan polymers na ƙwayoyin cuta, foda mai laushi mai laushi ko sauran abubuwan cikawa, ko ɗaukar matakan kamar sarrafa iskar oxygen mai sauƙi na kwalta don yin kwalta ko cakuda kwalta Ayyukan aikin Ana iya inganta daurin kwalta.
Akwai hanyoyi guda biyu don gyara kwalta. Ɗayan shine canza sinadarai na kwalta, ɗayan kuma shine a sanya na'urar gyara daidai gwargwado a cikin kwalta don samar da wani tsari na sararin samaniya.
Rubber da thermoplastic elastomer gyara kwalta
Ciki har da: na halitta roba gyara kwalta, SBS modified kwalta (mafi yawan amfani), styrene-butadiene roba modified kwalta, chloroprene rubber modified kwalta, butyl roba modified kwalta, butyl roba modified kwalta, rubber sharar gida da farfadowa Rubber modified kwalta, sauran roba modified. kwalta (kamar ethylene propylene roba, roba nitrile, da dai sauransu) .Plastic da roba guduro modified kwalta.
Ciki har da: polyethylene modified kwalta, ethylene-vinyl acetate polymer modified kwalta, polystyrene modified kwalta, coumarin guduro modified kwalta, epoxy resin modified kwalta, α-olefin bazuwar polymer gyara kwalta.
Haɗe-haɗen kwalta na polymer
Ana ƙara polymers biyu ko fiye a cikin kwalta a lokaci guda don gyara kwalta. Polymers biyu ko fiye da aka ambata a nan na iya zama polymers daban-daban, ko kuma suna iya zama abin da ake kira polymer alloy wanda aka haɗa a gaba don samar da hanyar sadarwa ta polymer.