zvigadzirwa

HDPE kaviri madziro makora pombi mbishi zvinhu,
HDPE yekugadzira kaviri madziro makora pombi, Ndeupi rudzi rweHDPE resin inoshandiswa kune kaviri madziro emarara pombi,

HDPE kaviri madziro marata pombi mbishi zvinhu

1. Maumbirwo ezvigadzirwa: Izvo zvigadzirwa zvePE kaviri-madziro mabhero anowanzo umbwa nepolyethylene, yakagadziridzwa master zvinhu uye pigment.Kana iyo mbishi yakanyorova, kuitira kuti uvandudze kugadzirwa kwehunyanzvi, yakakodzera defoamer inogona kuwedzerwa.

2, zvinodikanwa zvekushanda kwezvinhu zvakabikwa: maitiro ekugadzira mutengo wakaderera, wemhando yepamusoro mabhero, zvakanyanya zvinoenderana nesarudzo yezvakagadzirwa uye fomula collocation.

Izvo zvinowanzodiwa pakuita kwe polyethylene (PE) zvinosanganisira kunyunguduka kuyerera (MFR), oxidation induction nguva (OIT) uye density.Saizi yekunyungudika kuyerera kunoratidza saizi yehuremu hwema molecular.Kazhinji kutaura, zvinhu zvine yakakwira melt kuyerera mwero inokodzera kugadzirisa uye kugadzira, uye inogona kuvandudza iyo kugadzirwa zvakanaka.Zvisinei, haigoni kuva yakakura zvikuru, iyo ine simba guru pakuoma kwemhete.Zvakakodzera kusarudza pakati pe0.8-1.5g/10min(190℃, 5kg).Oxidation induction nguva inosarudza nguva yekukuvara kweoxidation.Kune mabhero anoda makore makumi mashanu ekushandiswa, kudzora iyo oxidation induction nguva yezvakagadzirwa ndiyo kiyi yekuona hupenyu hwesevhisi hwemakore makumi mashanu.Zvinonyatso kutsanangurwa muGB/T19472.1-2004 kuti oxidation induction nguva yezvakagadzirwa zvemabhero inofanira kunge iri ≥20min (200℃).Kune yepakati uye yakakwirira density polyethylene, maitiro ayo anogona kugadziriswa nekushandura density.Nekuti isu tinoziva kuti yakaderera density polyethylene inogona kurebesa yayo brittle kutadza nguva.

HDPE pombi giredhi ine yakafara kana bimodal kugovera kwema molecular huremu.Iyo ine yakasimba creep resistance uye yakanaka chiyero chekuomarara uye kuoma.Inogara yakasimba uye ine sag yakaderera kana ichigadziriswa.Mapombi anogadzirwa uchishandisa iyi resin ane simba rakanaka, kusimba uye kupikisa kuramba uye yakanakisa pfuma yeSCG neRCP..

Iyo resin inofanira kuchengetwa munzvimbo yakaoma, yakaoma uye kure nemoto uye zuva rakananga.Hazvifanirwe kuunganidzwa pamhepo.Panguva yekufambisa, zvinhu zvacho hazvifanirwe kuvhenekerwa nezuva rakasimba kana kunaya uye hazvifanirwe kutakurwa pamwe chete nejecha, ivhu, zvimedu zvesimbi, marasha kana girazi.Kufambisa pamwe chete nezvinhu zvine chepfu, zvinopisa uye zvinopisa zvinorambidzwa zvachose.

Application

HDPE pombi giredhi inogona kushandiswa mukugadzirwa kwepombi dzekumanikidza, senge pombi dzemvura dzakamanikidzwa, mapaipi egasi emafuta uye mamwe mapaipi emaindasitiri.Inogona zvakare kushandiswa kugadzira mapaipi asina-kudzvanywa akadai semapaipi ane madziro ane mbiri, madziro anomonereka pombi, silicon-core pombi, pombi dzekudiridza dzekurima uye mapombi ealuminium emusanganiswa.Pamusoro pezvo, kuburikidza nereactive extrusion (silane cross-linking), inogona kushandiswa kugadzira crosslinked polyethylene pombi (PEX) yekupa mvura inotonhora uye inopisa.