Chii chinonzi Chlorinated Polyethylene (cpe) uye Inoshandiswa Kupi?
Argonated polyethylene cpe low density polyethylene 2 silicone rabha blend cable insulation material i low density polyethylene (LDPE) uye polydimethylsiloxane inoenderana ne ethyl methacrylate (EMA) (PDMS) rabha blend inodzivirira kupisa kwetambo. Hunhu hwakasiyana-siyana hwemagetsi, hunhu hwemakanika uye hunhu hwekupisa hwemusanganiswa uyu hwakadzidzwa. Mhedzisiro yacho inoratidza kuti musanganiswa uyu unogona kushandiswa seThermal insulation material, kana uchienzaniswa nesilicone rabha material, une mutengo uri nani.
Kwenguva yakareba, vanhu vanga vachiona rabha resilicone serabha rakakosha retambo dzemagetsi munzvimbo dzakasiyana-siyana dzekupisa kwakanyanya uye kwakaderera. Zvisinei, mutengo unodhura werabha resilicone unoderedza huwandu hwaro hwekushandiswa kwaro.
LDPE ipurasitiki ine huwandu hwakanyanya muindasitiri. Ine mutengo wakaderera uye hunhu hwakanaka hwemagetsi, saka inoshandiswa zvakanyanya sepolymer inodziisa muwaya dzemagetsi dziri pakati nepakati nedzisina simba. LDPE haina mutengo wakaderera chete asiwo ine dielectric constant yakaderera uye loss factor yakaderera, ine resistivity yakakwira, uye hunhu hwakanaka hwemakanika pasi pekupisa kwemhepo kwe90C, saka akawanda marubha ekugadzira, akadai se styrene-butadiene raber (SBR), butyl raber (IR), neoprene(CR) nezvimwewo akarasikirwa nechikamu chemusika. Zvichienzaniswa nezvinhu zve silicone raber insulation, musanganiswa we polydimethylsiloxane (PDMS) neLDPE une mukana wemutengo wakaderera kuitira kuti usvike pamagiredhi akasiyana. Kuwedzera kune zvinodiwa zvetambo dzekutumira simba, kudzora uye zvishandiso, vanhu vakaramba vachigadzira zvinhu zvitsva zve polymer insulation. Zvisinei, hunhu hwemakanika uye kuramba kupisa kwezvinhu zve low-voltage electrical system (<10kV) zvakakwirira kupfuura
Zvimiro zvemagetsi zvinonyanya kukosha.
Semuenzaniso; tambo yekuputira tambo yechoto inofanira kunge yakagadzikana zvakanaka pakupisa kwakanyanya. Saizvozvowo; zvinodiwa zvetambo dzisina utsi hwakawanda, dzisingapindi mafuta, uye dzinodzora moto zvakasiyanawo. Saka tambo inofanira kushandiswa. Chiitiko chekushandisa chinosarudza zvinodiwa zvetambo. Kuora kwerubha uye kuumbwa kwechikamu cheoxide pamusoro zvichawedzera conductivity, nekuti mushure mekunge rabha yapiswa, polarity inogadzirwa pakati pema aggregates matema ekabhoni.
Mapoka (akadai se carboxyl) Mapoka aya anopa nzira pfupi yemaerekitironi. Pane zvinhu zvakawanda zvekufunga nezvazvo pakusarudza chinhu chekushandisa. Kana tichitaura nezve wire insulation; chinhu chakakosha ndechekuti inoganhurira kugona kwe current kupfuura nepa insulation layer. Kune direct current (dc), zviri pachena kuti kushandiswa kwezvinhu zvinodzivirira zvakanyanya kunogona kuderedza ukobvu hwe insulation layer; kune alternating current (ac), relative permittivity uye kurasikirwa kwakaderera.
Chinhu chinobvisa marara chinoderedzawo ukobvu hwekudzivirira marara.
Ethyl methacrylate (EMA) inogona kutsiviwa zvakanyanya nerabha resilicone sechinhu chinodzivirira kupisa uchishandisa PDMS blends yemhando dzakasiyana dzemagetsi, hunhu hwemakanika uye kudzivirira kupisa.
Kushanda kwehuwandu hwakafanana nechinhu chinobatanidza LDPE nePDMSA blends (50:50).
1. Sisitimu yekudzivirira yakagadzikana, CPE inoburitsa hydrogen chloride kana yapiswa kana kupiswa, saka zvinosimbisa zvine simba rekunyudzwa kweasidhi zvinofanirwa kushandiswa mufomura, zvakaita secalcium stearate, barium stearate, tribasic lead sulfate kana magnesium oxide.
2. Sisitimu yekuisa purasitiki. Mapurasitiki eEster anowanzo shandiswa muCPEZ, akadai sedioctyl phthalate (DOP) uye dioctyl adipate (DOA). Maparamita awo ekunyungudika ari pedyo neeCM. Kugona kwakanaka. Kushandiswa kweDOA neDOS murabha kunogona kupa rabha simba rekudzivirira kutonhora.
3. Sisitimu yeCPE yekubvisa tsvina, CPE irabha yakazara, uye sisitimu yesulfur vulcanization haigone kuibvisa tsvina zvinobudirira. Kushandiswa kwekutanga kweCPE vulcanization system iThiourea system, iyo inonyanya kushanda iNa-22, asi Na-22 ine kukurumidza kudonha kwemasero, kushanda zvisina kunaka kwekukwegura, kumanikidzwa kwakanyanya, uye Na-22 ikenza yakakura. Inoburitsa hwema husina kunaka, uye kushandiswa kwayo kwakaganhurirwa kunze kwenyika.
4. Sisitimu yekuzadza inosimbisa, CPE rudzi rwerabha isingazvisimbisi, iyo inoda sisitimu yekusimbisa kuti iwane simba riri nani. Sisitimu yayo yekuzadza inosimbisa yakafanana neyekunamatira kwakajairika. Chinhu chinosimbisa chinonyanya kuve nhema yekabhoni uye chena nhema yekabhoni. Kabhoni chena nhema inogona kuvandudza kuramba kweCPE kubvaruka, uye inogona kugadzira sisitimu chena yemetamethyl kuti ivandudze kubatana pakati peCPE nemapfupa. CPE ine hunhu hwekuzadza hwakawanda, uye sisitimu yekuzadza inonyanya kusanganisira calcium carbonate, talcum powder, ivhu, nezvimwewo.
Nguva yekutumira: Ndira-05-2023
