Yini i-polyphenenene sulphide (PPS)
I-PPS Stand for Polyphenene Sulphide iyi-thermoplastic esebenza kahle yobunjiniyela ehlukaniswe yinhlanganisela yayo ye-atypical yezakhiwo.
Kuyindlela ye-semi-crystalline, i-opaque kanye ne-polymer eqinile enendawo ephezulu kakhulu yokuncibilika (280 ° C) futhi yakhiwa ama-para-phenlene Units ahlukile ngokuxhumana kwawo kwe-sulphide.
I-PPS inebhalansi ebabazekayo enjenge-flame yokumelana nelangabi, ukumelana kahle kwamakhemikhali, ukumelana okushisa kakhulu, amakhono abucayi, amandla ahlukile emishini kanye nokufakwa kukagesi.
I-PPS ingacutshungulwa kalula ngoba ubunzima bayo bukhuphuka ngamazinga okushisa aphezulu.
Zonke lezi zimfanelo ezesabekayo zenza i-PPS enye indlela enhle kakhulu kuma-thermosets kanye nezinsimbi zokusebenzisa kuzicelo eziningana kanye nemishini, izingxenye zezimoto kanye ne-elekthronikhi.
Amakhasimende amaningi ezingxenyeni zokubumba ze-PPS umjovo zinohlobo lokucabanga kwe-inertia: akukho lokushisa okubumba, isango alisikhulu, ukuqeda amandla alwanele, isikhathi esipholile sokuphola.
Izinga lokushisa le-main kungenza ingaphezulu lomkhiqizo lisheshe ikristali, bushelelezi ngaphandle kokugeleza kwefayibha, okubaluleke kakhulu ukwenza amandla omkhiqizo aqiniswe kakhulu; Usayizi wesango uthinta inani lomjovo wepulasitiki, futhi kuzoba nezidingo zokuhlelwa kwengcindezi kanye nezinga lomjovo. Kuzoba nomthelela ekulahlekelweni kwengcindezi ye-distal disser yemikhiqizo yamaphoyinti amaningi.
Ukuphelelwa amandla akwanele kuzodala ukunqwabelana okusheshayo kwegesi, okuholela ekuvuthaneni nasephethini ebusweni nomsila womkhiqizo.
I-PPS ngokwayo iyoqukatha i-sulfide nenye inani elincane le-polyphenylliphenylyl verymer, ngakho-ke ukwakheka kokuphelelwa yithemba kubaluleke kakhulu!
Isikhathi esimnandi sokupholisa, hhayi okulungele ukuklanywa ngokuphelele komkhiqizo!
Ukuze uphishekele umthamo wokukhiqiza, amakhasimende amaningi anciphisa ngokuqondile umjikelezo wokukhiqiza ngezinga elikhulu, okuholela ekujikelezeni okufushane kwe-crystallization, okungahambelani nesixazululo sento yokuqala!
Ukukhetha okunengqondo kwezinto zokwakha, ukukhiqiza kwesayensi!
Nikeza ukwesekwa kokuma okukodwa kusuka ezintweni ezingavuthiwe, isikhunta, izinqubo, imikhiqizo eqediwe, izikhalazo zamakhasimende nezinye i-chain egcwele!
Izinto eziphakeme zokusebenza okukuzungezile ochwepheshe bezixazululo zokuma kwakho!
Isikhathi sePosi: 29-10-21