Nkhani

Bolodi la PPNdi chinthu chopangidwa ndi theka-crystalline. Ndi cholimba ndipo chimakhala ndi malo osungunuka kwambiri kuposa PE. Chifukwa kutentha kwa homopolymer PP kumakhala kofooka kwambiri kuposa 0C, zinthu zambiri zamalonda za PP ndi ma copolymers osasinthika okhala ndi 1 mpaka 4% ethylene kapena clamp copolymers okhala ndi ethylene yambiri. Yaing'ono, yosavuta kuigwirizanitsa ndi kuikonza, yokhala ndi kukana kwa mankhwala apamwamba, kukana kutentha ndi kukana kukhudza, yopanda poizoni komanso yopanda kukoma, ndi imodzi mwa mapulasitiki a PP auinjiniya omwe amakwaniritsa zofunikira zoteteza chilengedwe. Mitundu yayikulu ndi yoyera, mtundu wa microcomputer, ndipo mitundu ina imatha kusinthidwa malinga ndi zosowa za makasitomala. Mtundu wa ntchito: zida zotsutsana ndi asidi ndi alkali.

Bolodi la PP lolimbikitsidwa ndi ulusi wagalasi (bolodi la FRPP): Pambuyo polimbikitsidwa ndi ulusi wagalasi wa 20%, kuwonjezera pa kusunga magwiridwe antchito abwino kwambiri, mphamvu ndi kulimba zimawirikiza kawiri poyerekeza ndi PP, ndipo limalimbana bwino ndi kutentha komanso kutentha pang'ono, limalimbana ndi dzimbiri, limachepa pang'ono. Lili loyenera kwambiri pa ulusi wa mankhwala, chlor-alkali, mafuta, utoto, mankhwala ophera tizilombo, chakudya, mankhwala, makampani opanga magetsi, zitsulo, mankhwala otayira zinyalala ndi zina.

Bodi ya PPH, beta (β)-PPHbolodi lopanda nsalu lokhala ndi mbali imodzi. (β)-Zogulitsa za PPH zili ndi mphamvu yabwino kwambiri yolimbana ndi kutentha ndi mpweya, nthawi yayitali yogwira ntchito komanso mphamvu zabwino zamakanika. Zagwiritsidwa ntchito bwino popanga mbale, ndipo ukadaulo wapamwamba ndi womwe ukutsogolera ku China. Zogulitsazi zitha kugwiritsidwa ntchito ngati mbale zosefera ndi zotengera zozungulira, ngati ma board apulasitiki olimbitsa ulusi wagalasi, malo osungiramo mafuta, mayendedwe ndi machitidwe oletsa dzimbiri, malo opangira magetsi, madzi, njira zotsukira madzi ndi zotulutsira madzi m'malo opangira madzi; ndi malo opangira zitsulo, malo opangira magetsi, makina ochotsera fumbi, makina ochapira ndi opumira mpweya, ndi zina zotero.