Kedu ihe bụ Chlorinated Polyethylene (cpe) na ebee ka eji ya?
Argonated polyethylene cpe obere njupụta polyethylene 2 silicone roba ngwakọta cable mkpuchi ihe bụ obere njupụta polyethylene (LDPE) na polydimethylsiloxane compatibilized site ethyl methacrylate (EMA) (PDMS) roba ngwakọta bụ irè okpomọkụ na-eguzogide cable ihe mkpuchi. Achọpụtara akụrụngwa eletrik dị iche iche, akụrụngwa akụrụngwa na akụrụngwa ọkụ nke ngwakọta. Nsonaazụ na-egosi na enwere ike iji ngwakọta ahụ dị ka ihe mkpuchi ọkụ, ma e jiri ya tụnyere silicone roba ihe, ọ na-arụ ọrụ ọnụ ahịa ka mma.
Ruo ogologo oge, ndị mmadụ na-ewere rọba silicone dị ka roba pụrụ iche maka eriri n'ọtụtụ dịgasị iche iche nke elu na obere okpomọkụ. Otú ọ dị, ọnụ ahịa silicone rọba dị oke ọnụ na-egbochi oke ngwa ya.
LDPE bụ rọba nwere nnukwu ego na ụlọ ọrụ. Ọ nwere ọnụ ala dị ala na ihe ndị dị mma eletriki, ya mere a na-eji ya eme ihe dị ka polymer insulating na ọkara na obere voltaji wires na cables. LDPE abụghị naanị ọnụ ahịa dị ala kamakwa ọ dịtụ ala dielectric mgbe niile na ihe na-efu, nnukwu resistivity, yana akụrụngwa akụrụngwa dị n'okpuru ọnọdụ okpomọkụ nke 90C, yabụ ọtụtụ rubbers sịntetik, dị ka styrene-butadiene roba (SBR), butyl rubber (IR). ), neoprene (CR) na ndị ọzọ efunahụla akụkụ nke ahịa ahịa. E jiri ya tụnyere silicone roba mkpuchi ihe, ngwakọta nke polydimethylsiloxane (PDMS) na LDPE nwere uru nke ọnụ ala dị ala iji zute ọkwa dị iche iche, Na mgbakwunye na ihe ndị pụrụ iche nke eriri maka nnyefe ike, njikwa na ngwá ọrụ, ndị mmadụ na-anọgide na-emepe emepe. ihe mkpuchi mkpuchi polymer ọhụrụ dị iche iche. Otú ọ dị, n'ibu Njirimara na okpomọkụ na-eguzogide nke ala-voltaji eletriki usoro (<10kV) ihe dị elu karịa
Njirimara eletrik dị mkpa karịa.
Ọmụmaatụ; eriri mkpuchi mkpuchi USB maka ọkụ kwesịrị inwe ezigbo nkwụsi ike nke ihe eji arụ ọrụ na oke okpomọkụ. N'otu aka ahụ; ihe ndị a chọrọ maka eriri obere anwụrụ ọkụ, mmanụ na-eguzogide, na ọkụ na-egbochi ọkụ dịkwa iche. Ya mere, eriri ahụ kwesịrị oge ngwa na-ekpebi ihe achọrọ maka ịrụ ọrụ pụrụ iche nke eriri. Nbibi nke oxidative nke roba na nhazi nke oyi akwa oxide n'elu ga-eme ka omume ahụ dịkwuo elu, n'ihi na mgbe emechara roba ahụ, a na-emepụta polarity n'etiti carbon black aggregates.
Otu dị iche iche (dị ka carboxyl) Otu ndị a na-enye ụzọ dị mkpụmkpụ maka eletrọn. Enwere ọtụtụ ihe ị ga-atụle mgbe ị na-ahọrọ ihe maka ngwa. N'ihe gbasara mkpuchi eriri USB; oke dị mkpa bụ oke ikike nke ugbu a ịgafe oyi akwa mkpuchi. Maka ugbu a kpọmkwem (dc), o doro anya na iji ihe ndị na-eguzogide ihe dị elu nwere ike ibelata ọkpụkpụ nke mkpuchi mkpuchi; n'ihi na alternating current (ac), ikike ikike na ọnwụ nke ikwu dị obere.
Ihe nkwụsịtụ na-ebelatakwa ọkpụrụkpụ mkpuchi.
Ethyl methacrylate (EMA) nwere ike dochie ya nke ukwuu site na silicone rọba dị ka ihe mkpuchi site na iji ngwakọta PDMS maka ihe ọkụ eletrik dị iche iche, akụrụngwa akụrụngwa na nguzogide okpomọkụ.
Ịdị irè nke otu ego ahụ dị ka onye na-akwado LDPE na PDMSA ngwakọta (50:50).
1. Stable nchedo usoro, CPE ga-ahapụ hydrogen chloride mgbe kpụ ọkụ n'ọnụ ma ọ bụ vulcanized, otú stabilizers na acid absorption mmetụta ga-eji na usoro, dị ka calcium stearate, barium stearate, tribasic lead sulfate ma ọ bụ magnesium oxide .
2. Plasticizing usoro. A na-ejikarị Ester plasticizers na CPEZ, dị ka dioctyl phthalate (DOP) na dioctyl adipate (DOA). Parampat solubility ha dị nso na nke CM. Ezi ikike. Iji DOA na DOS na rọba nwere ike inye rọba ahụ ezigbo nguzogide oyi.
3. The vulcanization usoro nke CPE, CPE bụ a jujuru rọba, na nkịtị sọlfọ vulcanization usoro enweghị ike vulcanize ya nke ọma. Ngwa izizi nke sistemu vulcanization CPE bụ sistemu thiourea, nke kachasị dị irè bụ Na-22, mana Na-22 nwere ngwa ngwa ngwa ngwa ngwa ngwa, arụmọrụ ịka nká na-adịghị mma, ntọala mkpakọ dị elu, na Na-22 bụ nnukwu ọrịa carcinogen. Ọ na-emepụta isi na-adịghị mma, machibidokwa ojiji ya na mba ọzọ.
4. Na-eme ka usoro ndochi dị ike, CPE bụ ụdị roba na-adịghị eme ka ọ dị ike, nke na-achọ ka usoro ihe na-eme ka ọ dịkwuo mma. Sistemụ njuputa ya na-eme ka ọ dị ka nke nrapado ebumnuche izugbe. Ihe na-eme ka ọ dị elu bụ carbon oji na ọcha carbon ojii. White carbon ojii nwere ike imeziwanye nkwụsi ike nke CPE, ma nwee ike ịmepụta usoro ọcha metamethyl iji meziwanye adhesion n'etiti CPE na ọkpụkpụ. ikpokọta. CPE nwere ihe ndochi dị elu, yana sistemụ ndochi gụnyere calcium carbonate, talcum ntụ ntụ, ụrọ, wdg.
Oge nzipu: Jan-05-2023
