Ninu amọ idabobo ile ati lulú putty, iwọn hydroxypropyl methylcellulose mimọ taara ni ipa lori didara ikole imọ-ẹrọ, nitorinaa kini awọn nkan ti o ni ipa mimọ ti hydroxypropyl methylcellulose?Lati ṣe iranlọwọ fun ọ lati dahun ibeere yii loni.
Ninu ilana iṣelọpọ ti hydroxypropyl methylcellulose, atẹgun ti o ku ninu kettle ifaseyin yoo ja si ibajẹ ti hydroxypropyl methylcellulose ati dinku iwuwo molikula.Sibẹsibẹ, atẹgun ti o ku ni opin, nitorina ko ṣoro lati tun so awọn moleku ti o fọ.Oṣuwọn saturation akọkọ ati akoonu hydroxypropyl ni ibatan nla, diẹ ninu awọn ile-iṣelọpọ kan fẹ lati dinku idiyele ati idiyele, ko fẹ mu akoonu ti hydroxypropyl dara si, nitorinaa didara ko le de ipele ti iru awọn ọja ajeji.
Oṣuwọn idaduro omi ti hydroxypropyl methylcellulose ati hydroxypropyl tun ni ibatan nla kan, ati fun gbogbo ilana ifaseyin, hydroxypropyl methylcellulose tun pinnu iye idaduro omi ti hydroxypropyl methylcellulose.Ipa ti alkalization, ipin ti chloromethane si ohun elo afẹfẹ propylene, ifọkansi ti alkali ati ipin omi si owu ti a ti tunṣe gbogbo pinnu iṣẹ ṣiṣe ti ọja naa.
Didara ti awọn ohun elo aise, ipa alkalization, iṣakoso ipin ilana, ipin epo ati ipa yomi, gbogbo wọn pinnu didara hydroxypropyl methyl cellulose, diẹ ninu awọn hydroxypropyl methyl cellulose ti a ṣe lati tu lẹhin bii wara jẹ kurukuru pupọ, diẹ ninu funfun wara, diẹ ninu ofeefee, diẹ ninu ko o ati ki o sihin.Ti o ba fẹ yanju rẹ, ṣatunṣe lati awọn aaye ti o wa loke.Nigba miiran acetic acid le ni ipa lori gbigbe ni pataki, acetic acid jẹ lilo ti o dara julọ lẹhin fomipo, ipa ti o tobi julọ tabi aruwo jẹ aṣọ, ipin eto jẹ iduroṣinṣin (diẹ ninu ọrinrin ohun elo, akoonu ko duro, gẹgẹ bi imularada ti epo), ni otitọ, ọpọlọpọ awọn okunfa ni ipa.Pẹlu iduroṣinṣin ti ohun elo ati iṣẹ ti awọn oniṣẹ ikẹkọ, awọn ọja ti a ṣe yẹ ki o jẹ iduroṣinṣin pupọ.Gbigbe ko yẹ ki o kọja ± 2%, ati isomọ aropo ti ẹgbẹ aropo yẹ ki o ṣakoso daradara.Iyipada aṣọ, gbigbe gbọdọ dara.
Nitorinaa, didara ọja to dara ni ipinnu nipasẹ awọn ohun elo aise, imọ-ẹrọ iṣelọpọ, ati awọn ifosiwewe miiran.Nikan iṣakoso ti o muna lati opin kan si opin le gbe awọn ọja pẹlu didara iduroṣinṣin.
Akoko ifiweranṣẹ: Oṣu Kẹsan-14-2022