Gukoresha Hydroxypropyl Methyl Cellulose yo mu rugo mu gukora Polyvinyl Chloride ifite polymerization nyinshi

Incamake: Ikoreshwa ry'ibikorwa byo mu rugohydroxypropyl methylcelluloseaho kwinjizwa mu mahanga kugira ngo hakorwe PVC ifite polimeresi nyinshi. Ingaruka z'ubwoko bubiri bwa hydroxypropyl methylcellulose ku miterere ya PVC ifite polimeresi nyinshi zarasuzumwe. Ibisubizo byagaragaje ko bishoboka gusimbuza hydroxypropyl methyl cellulose yo mu gihugu aho kuyinjiza mu mahanga.

Resine za PVC zo mu rwego rwo hejuru zivuga resine za PVC zifite impuzandengo ya polymerization irenga 1,700 cyangwa zifite imiterere ifatanye gato hagati ya molekile, muri zo zikunze kugaragara cyane ni resine za PVC zifite impuzandengo ya polymerization ingana na 2,500 [1]. Ugereranyije na resine isanzwe ya PVC, resine ya PVC ifite polymerization ingana na polymerization ingana na 2,500 ifite ubushobozi bwo kwihanganira ibintu byinshi, ifite ubushobozi bwo gukanda gato, irwanya ubushyuhe, irwanya gusaza, irwanya umunaniro no kudashira. Ni ikintu cyiza cyasimbura resine kandi gishobora gukoreshwa mu gufunga imodoka, insinga n'insinga, catheter zo kwa muganga, nibindi [2].

Uburyo bwo gukora PVC ifite polimeri yo hejuru ni polimeri yo gusunika [3-4]. Mu gukora uburyo bwo gusunika, dispersant ni ikintu cy'ingenzi gifasha, kandi ubwoko bwayo n'ingano byayo bigira ingaruka zitaziguye ku miterere y'uduce, ingano y'uduce, no kwinjiza plasticizer ya resin ya PVC irangiye. Sisitemu zikunze gukoreshwa zo gukwirakwiza ni sisitemu za polyvinyl alcohol na hydroxypropyl methylcellulose na sisitemu za polyvinyl alcohol composite dispersion, kandi inganda zo mu ngo zikoresha cyane iyi [5].

1 Ibikoresho by'ingenzi n'ibipimo

Ibikoresho by'ingenzi n'ibipimo byakoreshejwe mu igeragezwa bigaragazwa mu mbonerahamwe ya 1. Bigaragara mu mbonerahamwe ya 1 ko hydroxypropyl methylcellulose yo mu rugo yatoranijwe muri iyi nyandiko ihuye na hydroxypropyl methylcellulose yatumijwe mu mahanga, itanga ibisabwa kugira ngo isuzuma ry’inyongera riboneke muri iyi nyandiko.

2 Ibikubiye mu igerageza

2. 1 Gutegura umuti wa hydroxypropyl methylcellulose

Fata ingano runaka y'amazi yakuwemo iayoni, uyashyire mu kintu hanyuma uyashyushye kugeza kuri dogere selisiyusi 70, hanyuma ushyiremo buhoro buhoro hydroxypropyl methylcellulose ubyutse ubudasiba. Selulosi irareremba ku mazi mbere, hanyuma irakwirakwira buhoro buhoro kugeza ivanze neza. Konjesha umuti kugeza ku bunini.

Imbonerahamwe ya 1 Ibikoresho by'ingenzi n'ibipimo byabyo

2. 2 Uburyo bwo gupima

Ku gikoresho gito cya litiro 10, koresha selulosi ya hydroxypropyl methyl ivanywe mu mahanga kugira ngo ukore ibizamini byo gupima kugira ngo umenye formula y'ibanze y'ikizamini gito; koresha selulosi ya hydroxypropyl methyl ivanywe mu mahanga kugira ngo usimbuze selulosi ya hydroxypropyl methyl ivanywe mu mahanga kugira ngo upime; Ibikoresho bya PVC resin byakozwe na selulosi ya hydroxypropyl methyl itandukanye byagereranyijwe kugira ngo byigwe uburyo selulosi ya hydroxypropyl methyl ivanywe mu mahanga ishobora gusimburwa. Dukurikije ibyavuye mu ikizamini gito, ikizamini cyo kubikora kirakorwa.

2. Intambwe 3 z'ikizamini

Mbere yo gukora isuzuma, sukura kettle ya polymerization, funga valve yo hasi, ongeramo amazi yakuwemo umunyu, hanyuma ongeramo dispersant; funga umupfundikizo w'kettle, sukura vacuum nyuma yo gutsinda ikizamini cya azote, hanyuma ongeramo monomer ya vinyl chloride; nyuma yo gukangura, ongeramo igikoresho gitangira; Koresha amazi azenguruka kugira ngo wongere ubushyuhe mu kettle kugeza ku bushyuhe bwa reaction, kandi ongeramo umuti wa ammonium bicarbonate mu buryo bwihuse muri iki gikorwa kugira ngo uhindure pH y'uburyo bwa reaction; iyo umuvuduko wa reaction ugabanutse ku muvuduko wavuzwe muri formula, ongeramo igikoresho gihagarika n'ikintu gikuraho amazi, hanyuma ushyiremo amazi. Umusaruro wa PVC resin wabonetse hakoreshejwe centrifugation no kumisha, hanyuma ugakorerwa isuzuma kugira ngo usesengurwe.

2. Uburyo 4 bwo gusesengura

Dukurikije uburyo bukoreshwa mu igerageza mu gipimo cy’ikigo Q31/0116000823C002-2018, umubare w’ubucucike, ubucucike bugaragara, ibintu bihinduka (harimo n’amazi) hamwe n’uburyo bwo kwinjiza pulasitiki ya 100 g ya resin ya PVC yarangije gukoreshwa byarageragejwe kandi bigasesengurwa; Ingano mpuzandengo y’uduce twa resin ya PVC yarageragejwe; imiterere y’uduce twa resin ya PVC yagaragaye hakoreshejwe mikorosikopi ya elegitoroniki yo gushakisha.

3 Ibisubizo n'ibiganiro

3. 1 Isesengura rigereranya ubuziranenge bw'amatsinda atandukanye ya resin ya PVC mu buryo buciriritse bwo gupolima

Kanda 2. Dukurikije uburyo bwo gupima bwasobanuwe muri 4, buri gice cya resin nto ya PVC yakozwe mu buryo buciriritse cyapimwe, kandi ibisubizo bigaragara mu mbonerahamwe ya 2.

Imbonerahamwe ya 2 y'ibyavuye mu byiciro bitandukanye by'ibizamini bito

Bigaragara muri Imbonerahamwe ya 2: Ubucucike bugaragara, umubare w’ubucucike n’uburyo plastike ifata resin ya PVC byabonetse biri hafi cyane hakoreshejwe cellulose zitandukanye mu igerageza rito; umusaruro wa resin wabonetse hakoreshejwe formula ya hydroxypropyl methylcellulose yo mu rugo. Ingano mpuzandengo y’uduce ni ntoya gato.

Ishusho ya 1 igaragaza amashusho ya SEM y'ibicuruzwa bya PVC resin byabonetse hakoreshejwe hydroxypropyl methylcellulose itandukanye.

(1)—Hydroxypropyl methylcellulose ivanywe mu mahanga

(2)—Hydroxypropyl methylcellulose yo mu rugo

Igishushanyo cya 1 SEM cy'amaresini akorwa muri polymerizer ya litiro 10 imbere ya selulose ya hydroxypropyl methyl

Bigaragara ku Ishusho ya 1 ko imiterere y'ubuso bw'uduce twa PVC resin ikorwa n'ibinyabutabire bitandukanye bya selulose isa.

Muri make, bigaragara ko hydroxypropyl methylcellulose yo mu rugo yageragejwe muri iyi nyandiko ishobora gusimbuza hydroxypropyl methylcellulose yatumijwe mu mahanga.

3. 2 Isesengura rigereranya ubuziranenge bwa resin ya PVC ifite polimeri nyinshi mu igeragezwa ryo kuyikora

Bitewe n'igiciro kinini n'ingaruka zo gukora ikizamini, gahunda yose yo gusimbuza ikizamini gito ntishobora gukoreshwa mu buryo butaziguye. Kubwibyo, gahunda yo kongera buhoro buhoro igipimo cya hydroxypropyl methylcellulose yo mu rugo muri formula irafatwa. Ibisubizo by'ikizamini cya buri cyiciro bigaragara mu mbonerahamwe ya 3.

Imbonerahamwe ya 3 Ibisubizo by'ibizamini by'ibice bitandukanye by'umusaruro

Bigaragara muri Imbonerahamwe ya 3 ko ikoreshwa rya hydroxypropyl methylcellulose yo mu rugo ryiyongereye buhoro buhoro kugeza ubwo ingano zose za hydroxypropyl methylcellulose yo mu rugo zisimbura hydroxypropyl methylcellulose yatumijwe mu mahanga. Ibipimo by'ingenzi nko kwinjiza plasticizer n'ubucucike bugaragara ntibyigeze bihinduka cyane, bigaragaza ko hydroxypropyl methylcellulose yo mu rugo yatoranijwe muri iyi nyandiko ishobora gusimbura hydroxypropyl methylcellulose yatumijwe mu mahanga mu ikorwa.

4 Umwanzuro

Ikizamini cy'imbere mu gihuguselulose ya hydroxypropyl methylKu gikoresho gito cya litiro 10 kigaragaza ko gifite ubushobozi bwo gusimbuza selulosi ya hydroxypropyl methyl ituruka mu mahanga; ibisubizo by'ibizamini byo gusimbuza umusaruro bigaragaza ko selulosi ya hydroxypropyl methyl ikoreshwa mu gukora resini ya PVC, ibipimo by'ingenzi by'ubuziranenge bwa resini ya PVC irangiye na selulosi ya hydroxypropyl methyl ituruka mu mahanga nta tandukaniro rigaragara bifite. Kuri ubu, igiciro cya selulosi ituruka mu mahanga ku isoko kiri hasi ugereranyije n'icya selulosi ituruka mu mahanga. Kubwibyo, niba selulosi ikoreshwa mu mahanga ikoreshwa mu gukora, ikiguzi cy'umusaruro gishobora kugabanuka cyane.