Tšebeliso ea boka ba polyethylene ho PVC

PVC e tsejoang e le polyvinyl chloride, mocheso oa eona oa ho phalla ha viscosity le mocheso oa ho senyeha o haufi haholo, kahoo ho bonolo ho sebetsana le mefuta e sa tšoaneng ea ho senyeha, ka hona ho lahleheloa ke ts'ebeliso ea ts'ebetso.Ka hona, hoa hlokahala ho eketsa mocheso o tsitsitseng le lubricant ha ho etsoa motsoako oa PVC, oa pele o ntlafatsa botsitso ba mocheso, oa morao o fokotsa likhohlano pakeng tsa liketane tsa limolek'hule tsa PVC, le matla a silafatsang pakeng tsa PVC le tšepe, ho ntlafatsa boiketlo ba ho sebetsa. PVC ka lihlahisoa tse fapaneng.pe wax le polyethylene oxidized wax ke mafura a tloaelehileng PVC.

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Ts'ebetsong ea PVC, ha ho na ho qhibiliha ho hloekileng, likaroloana feela tsa bobeli (tse ka bang 100μm, tse nang le likaroloana tse ka sehloohong le li-nodule) li arotsoe ka libolo tse nyenyane (hoo e ka bang 1μm) le li-nodule (hoo e ka bang 100nm) tlas'a ketso ea ho kuta ka mocheso le mochine, mokhoa ona hangata bitsoa gelation kapa polasetiki.E le ho finyella thepa e ntle ea mochine, thepa ea holim'a metsi le ts'ebetso, tekanyo ea gelation pakeng tsa 70% le 85% e loketse.Ts'ebetso ea gelation e ka lieha kapa ea potlakisoa ka khetho e nepahetseng ea boka ba polyethylene.Ka mor'a ho qhibiliha, boka ba boka ba homogeneous polyethylene bo teng pakeng tsa likaroloana tsa pele kapa li-nodule, tse fokotsang matla a khohlano pakeng tsa likaroloana tsa pele kapa li-nodule, kahoo ho fokotsa mocheso o tsitsitseng oa ho qhibiliha, ho liehisa polasetiki ea PVC, 'me ka nako e ts'oanang, botsitso ba mocheso oa PVC le bona bo ile ba ntlafatsoa.Oxidized polyethylene wax e na le tumellano e itseng le PVC, e ka khomarela holim'a li-nodule, ea eketsa viscosity e qhibilihisang, 'me e na le phello e ntle ea ho lokisa boitšoaro ba gelation, e fokotsa khohlano pakeng tsa ho qhibiliha le lisebelisoa tsa ho lokisa ke ntho e ntle ea ho lokolla. ts'ebetso ea PVC, haholo-holo ka filimi e hlakileng ea PVC (organotin stabilizer), e eketsang palo e nepahetseng ea boka ba polyethylene e nang le oxidized ha e bapalle feela tokollo e ntle haholo, empa hape ha e fokotse pepeneneng.

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Hona joale, ho phaella ho a maiketsetso a pe boka leboka ba polyethylene e oxidizedka PVC, boka ba parafine, boka ba feto le boka ba sehlahisoa le tsona li sebelisoa haholo 'me hape li hloka ho feto-fetoha le maemo ho latela ts'ebeliso ea terminal, Mohlala, boka ba parafine bo tlase bo ka bapala karolo ea ho tlotsa pele, sebakeng sa ho qhibiliha. ea boka ba polyethylene, boka ba feto bo ka bapala karolo ea ho tlotsa ka nako e bohareng, ntlha e phahameng ea ho qhibiliha ea boka ba oxidized polyethylene e ka bapala karolo ea ho tlotsa ka morao.Lisebelisoa tse ling tse thibelang mocheso tse kang boka ba parafine, li-ester tse mafura a acid, joalo-joalo, lihlahisoa tsa extrusion tse bonolo li shoa, ho kenngoa ha lirolara tse pholileng ka filimi.Lintho tsena tse holim'a thepa ea lihlahisoa tsa ho qetela, hammoho le tikoloho ea basebetsi ba setšeng, tlhahiso e tla ba le phello e mpe.Ho feta moo, lubricant e le 'ngoe ea ho lumellana ha PVC e phahame haholo, haeba tšebeliso ea sephutheloana sa motsoako oa lubricant, likarolo tse sa tšoaneng tsa tse ling ha li lumellane, li itšoara hantle, ho bonolo ho lebisa ho compression.Ka hona, ho ea ka tšebeliso ea lihlahisoa tse kang hore na tlhokahalo ea khatiso, ho fafatsa, khetho ea boleng bo tsitsitseng, lubricant e ntle ea mocheso, bakeng sa tlhahiso e boreleli le ho ntlafatsa boleng ba sehlahisoa ke ea bohlokoa haholo.
Qingdao Sainuo Chemical Co., Ltd.Re moetsi oa boka ba PE, boka ba PP, boka ba OPE, boka ba EVA, PEMA, EBS,Zinc/Calcium Stearate….Lihlahisoa tsa rona li fetile tlhahlobo ea REACH, ROHS, PAHS, FDA.
Kholiseha ka boka ba Sainuo, amohela potso ea hau!
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Nako ea poso: May-26-2021
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