Gukoresha hydroxypropyl methylcellulose kubyara PVC

Amagambo shingiro: hydroxypropyl methyl selulose; PVC ifite impamyabumenyi ihanitse ya polymerisation; ubushakashatsi buto; polymerisation; Ahantu.

Ikoreshwa ry'Ubushinwa hydroxypropyl methylcelluloseaho gutumiza imwe mu musaruro wa PVC ufite impamyabumenyi ihanitse ya polymerisation was Hakozwe iperereza ku bwoko bubiri bwa hydroxypropyl methylcellulose ku miterere ya PVC ifite impamyabumenyi ihanitse ya polymerisiyonike． Ibisubizo byerekanye ko bishoboka gusimbuza hydroxypropyl methyl selulose yo mu rugo iyindi yatumijwe hanze．

Urwego rwohejuru-rwa-polymerisiyasi ya PVC bivuga ibisigazwa bya PVC bifite impuzandengo ya polymerisiyasi irenga 1.700 cyangwa imiterere ihuza gato na molekile. Ugereranije nubusanzwe bwa PVC, resin-polimerisiyumu PVC ifite imbaraga nyinshi, kwihanganira ntoya, kurwanya ubushyuhe bwiza, kurwanya gusaza, kurwanya umunaniro no kwihanganira kwambara. Nibisimburwa byiza bya reberi kandi birashobora gukoreshwa muburyo bwo gufunga ibinyabiziga, insinga na kabili, catheters yubuvuzi, nibindi.

Uburyo bwo kubyaza umusaruro PVC hamwe nu rwego rwo hejuru rwa polymerisation ni guhagarika polymerisation. Mugukora uburyo bwo guhagarika, gutatanya nigikorwa cyingenzi cyabafasha, kandi ubwoko bwacyo nubunini byacyo bizagira ingaruka kumiterere yibice, kugabana ingano, no kwinjiza plastike ya resinike ya PVC yarangiye. Sisitemu ikunze gukoreshwa ni sisitemu ya alcool ya polyvinyl na hydroxypropyl methylcellulose hamwe na sisitemu yo gukwirakwiza inzoga za polyvinyl, kandi ababikora murugo ahanini bakoresha iyanyuma.

1 Ibikoresho fatizo byingenzi nibisobanuro

Ibikoresho by'ibanze n’ibisobanuro bikoreshwa mu kizamini bigaragara mu mbonerahamwe ya 1. Birashobora kugaragara ku mbonerahamwe ya 1 ko hydroxypropyl methylcellulose yo mu gihugu yatoranijwe muri iyi mpapuro ihuye na hydroxypropyl methylcellulose yatumijwe mu mahanga, itanga ibisabwa kugira ngo ikizamini gisimburwe muri ibi impapuro.

2 Ibizamini

2. 1 Gutegura hydroxypropyl methylcellulose igisubizo

Fata umubare munini w'amazi ya deioniyo, uyashyire muri kontineri hanyuma uyashyuhe kuri 70 ° C, hanyuma wongereho buhoro buhoro hydroxypropyl methylcellulose mugihe uhora ubyutsa. Cellulose ireremba hejuru y'amazi ubanza, hanyuma ikwirakwizwa buhoro buhoro kugeza ivanze neza. Hisha igisubizo kubijwi.

Imbonerahamwe 1 Ibikoresho fatizo byingenzi nibisobanuro byabyo

2. Uburyo bwo kugerageza

Ku gikoresho gito cya 10 L, koresha hydroxypropyl methylcellulose yatumijwe hanze kugirango ukore ibipimo ngenderwaho kugirango umenye formulaire yibanze yikizamini gito; koresha hydroxypropyl methylcellulose yo murugo kugirango usimbuze hydroxypropyl methylcellulose yatumijwe mu mahanga; Ibicuruzwa bya PVC resin byakozwe na hydroxypropyl methylcellulose byagereranijwe, kandi hasuzumwe uburyo bwo gusimbuza hydroxypropyl methylcellulose yo murugo. Ukurikije ibisubizo by'ikizamini gito, ikizamini cy'umusaruro kirakorwa.

2. 3 Intambwe yikizamini

Mbere yo kubyitwaramo, kwoza isafuriya ya polymerizasiyo, funga valve yo hepfo, ongeramo umubare munini wamazi yanduye, hanyuma wongere utatanye; funga igifuniko cya keteti, vuga nyuma yo gutsinda ikizamini cya azote, hanyuma wongeremo vinyl chloride monomer; nyuma yo gukonjesha, ongeramo uwatangije; Koresha amazi azenguruka kugirango uzamure ubushyuhe mu isafuriya ku bushyuhe bwa reaction, hanyuma wongeremo igisubizo cya ammonium bicarbonate mugihe gikwiye mugihe cyo guhindura kugirango uhindure pH agaciro ka sisitemu; mugihe igitutu cya reaction kigabanutse kumuvuduko ugaragara muri formula, ongeramo terminator na defoamer, hanyuma urekure igisubizo. Igicuruzwa cyarangiye cya PVC resin cyabonetse na centrifugation no gukama, kandi byapimwe kugirango bisesengurwe.

2. Uburyo bwo gusesengura

Ukurikije uburyo bwikizamini bujyanye nuburinganire bwibikorwa, umubare wijimye, ubwinshi bugaragara, ibintu bihindagurika (harimo n’amazi) hamwe no kwinjiza plastike ya 100 g PVC ya resin ya PVC yarangije gupimwa no gusesengurwa; Impuzandengo yubunini bwa PVC resin yageragejwe; morphologie ya PVC resin ibice byagaragaye hakoreshejwe scanning electron microscope.

3 Ibisubizo n'ibiganiro

3. Isesengura rigereranya ryubwiza bwibice bitandukanye bya PVC resin muri polymerisiyasi nto

Kanda 2. Ukurikije uburyo bwikizamini bwasobanuwe muri 4, buri cyiciro cyibikoresho bito bito bya PVC byarangije kugeragezwa, kandi ibisubizo bigaragara mu mbonerahamwe ya 2.

Imbonerahamwe 2 ibisubizo byibice bitandukanye byikizamini gito

Birashobora kugaragara kuva ku mbonerahamwe ya 2: Ubucucike bugaragara, umubare wijimye hamwe no kwinjiza plastike ya resin ya PVC yabonetse byegeranye ugereranije no gukoresha selile zitandukanye mugupima duto; ibicuruzwa bisigara byabonetse ukoresheje formulaire ya hydroxypropyl methylcellulose yo murugo Ingano yikigereranyo ni nto.

Igishushanyo 1 kirerekana SEM amashusho yibicuruzwa bya PVC byabonetse ukoresheje hydroxypropyl methylcellulose.

(1) —Yatumijwe hydroxypropyl methylcellulose

(2) - Hydroxypropyl methylcellulose yo mu rugo

Igishushanyo． 1 SEM ya resin yakozwe muri 10-L polymerizer imbere ya hydroxypropyl methyl selulose itandukanye

Birashobora kugaragara ku gishushanyo cya 1 ko imiterere yubuso bwa PVC resin ibice byakozwe na selile zitandukanye zisa.

Muri make, birashobora kugaragara ko hydroxypropyl methylcellulose yo murugo yapimwe muriyi mpapuro ifite amahirwe yo gusimbuza hydroxypropyl methylcellulose yatumijwe hanze.

3. Isesengura rigereranya ryubwiza bwa PVC resin hamwe nimpamyabumenyi ihanitse ya polymerisiyonike mugupima umusaruro

Bitewe nigiciro kinini hamwe ningaruka ziterwa nikizamini cyumusaruro, gahunda yuzuye yo gusimbuza ikizamini gito ntishobora gukoreshwa muburyo butaziguye, gahunda rero ni iyo kongera buhoro buhoro igipimo cya hydroxypropyl methylcellulose yo murugo. Ibisubizo by'ibizamini bya buri cyiciro bigaragara mu mbonerahamwe ya 3 yerekanwe.

Imbonerahamwe 3 Ibisubizo by'ibizamini by'ibyiciro bitandukanye

Birashobora kugaragara ku mbonerahamwe ya 3 ko ikoreshwa rya hydroxypropyl methyl selulose yo mu rugo ryiyongera buhoro buhoro kugeza hydroxypropyl methyl selulose yo mu gihugu isimbuye burundu hydroxypropyl methyl selile. Ibipimo nyamukuru nko kwinjiza plastike hamwe nubucucike bugaragara ntabwo byahindutse cyane, byerekana ko hydroxypropyl methylcellulose yo murugo yatoranijwe muriyi mpapuro ishobora gusimbuza hydroxypropyl methylcellulose yatumijwe mu mahanga.

4 Umwanzuro

Ikizamini cya hydroxypropyl methyl selulose yo murugo ku gikoresho gito cya 10 L cyerekana ko gifite uburyo bwo gusimbuza hydroxypropyl methyl selile; ibisubizo by'ibizamini byo gusimbuza umusaruro byerekana ko hydroxypropyl methyl selulose yo mu gihugu ikoreshwa mu musaruro wa PVC resin, ibipimo nyamukuru byerekana ubuziranenge bwa PVC byarangiye hamwe na hydroxypropyl methyl selulose itumizwa mu mahanga nta tandukaniro rinini rifite. Kugeza ubu, igiciro cya selile yo mu gihugu ku isoko kiri munsi y’icya selile yatumijwe mu mahanga. Kubwibyo, niba selile yo murugo ikoreshwa mubikorwa, igiciro cyimfashanyigisho zirashobora kugabanuka cyane.