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Suspension Polymerization of (HPMC) Hydroxypropyl Methylcellulose sebelisa bakeng sa PVC

Re nka botšepehi le win-win e le molao-motheo oa ts'ebetso, 'me re tšoara khoebo e' ngoe le e 'ngoe ka taolo le tlhokomelo e tiileng.

Hydroxypropyl Methylcellulose e le lisebelisoa tse arolang, lihlahisoa tse fumanoeng li na le likaroloana tse hlophisitsoeng le tse hlephileng, tse loketseng tse bonahalang le ts'ebetso e ntle ea ts'ebetso.Leha ho le joalo, tšebeliso ea Hydroxypropyl Methylcellulose feela e ka kenya letsoho ho feto-fetoheng ho hotle ha resin leha ho le joalo.Ts'ebetso e akaretsang ea resin e fokola.Tšebeliso ea motsoako oa hydroxypropyl methylcellulose le tekanyo e fapaneng ea alcoholysis ea polyvinyl joala e ka etsa hore ts'ebetso ea lihlahisoa e be betere, boleng bo bonolo ho laola 'me ka nako e ts'oanang bo ka fokotsa litšenyehelo.Moemeli oa ho qhalakanya ke ntho e ka sehloohong e susumetsang sebopeho sa karoloana ea resin ea polyvinyl chloride.Ha tsitsipano e kaholimo ea tharollo e nang le metsi ea li-ajenti tse qhalakanyang ka kakaretso le tsitsipano ea sefahleho e nang le Vinyl chloride monomer e nyane, ke moo marotholi a VCM a ka qhalakanngoang haholoanyane.'Me kahoo bophara ba karoloana ea resin ea PVC e tla ba nyane.Ha matla a ts'ireletso ea moemeli ea qhalakanyang a le matla, ho tla ba le likaroloana tse haufi tsa PVC tsa resin 'me porosity e tla ba e nyane.'Me li-intergranular coalescence le tsona li thata haholo, kahoo ho bonolo ho etsa li-resin.

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Ka mohlala, tsamaisong ea ho qhalakanngoa ha metsoako ea PVA le HPC, ha tekanyo ea alcoholysis ea PVA e le holimo, ho tla ba le tsitsipano e kholo ea holim'a metsi a metsi 'me matla a tšireletso a tla ba matla, ha motsoako o itseng oa hydroxypropyl methylcellulose o na le matla. phello e ntle ea ho qhalakanya.Ka hona, ho sebelisa PVA e nang le degree e phahameng ea alcoholysis e le eona ea mantlha

qhalakanya, le motsoako a

palo e itseng ea hydroxypropyl methylcellulose

e le moemeli ea qhalakang bakeng sa polymerization ea ho emisa, ho bonolo ho lokisa resin ea PVC e ka finyellang litlhoko tsa morphology ea likaroloana.Ka mohlala, tsamaisong ea ho qhalakanngoa ha metsoako ea PVA le HPC, ha tekanyo ea alcoholysis ea PVA e le holimo, ho tla ba le tsitsipano e kholo ea holim'a metsi a metsi 'me matla a tšireletso a tla ba matla, ha motsoako o itseng oa hydroxypropyl methylcellulose o na le matla. phello e ntle ea ho qhalakanya.


Nako ea poso: Mar-17-2022