He aha te Chlorinated Polyethylene (cpe) ā, kei hea e whakamahia ana?
Ko te ranunga rapa silicone polyethylene argonated cpe iti-kiato polyethylene 2 he rauemi whakamahana taura, ko te polyethylene iti-kiato (LDPE) me te polydimethylsiloxane e hototahi ana ki te ranunga rapa ethyl methacrylate (EMA) (PDMS) he rauemi whakamahana taura ātete wera whai hua. I rangahauhia ngā āhuatanga hiko, ngā āhuatanga miihini me ngā āhuatanga wera o te ranunga. E whakaatu ana ngā hua ka taea te whakamahi i te ranunga hei rauemi whakamahana wera, ki te whakaritea ki te rauemi rapa silicone, he pai ake te utu.
Mō te wā roa, kua whakaarohia e te tangata te rapa silicone hei rapa motuhake mō ngā taura i roto i ngā pāmahana tiketike me ngā pāmahana iti. Heoi, ko te utu nui o te rapa silicone e whakawhāiti ana i tōna whānuitanga o te whakamahinga.
Ko te LDPE te kirihou nui rawa atu i roto i te ahumahi. He iti te utu, ā, he tino pai ngā āhuatanga hiko, nō reira he whānuitia te whakamahinga hei polymer ārai i roto i ngā waea me ngā taura ngaohiko reo me te iti. Ehara i te mea he iti noa te utu o te LDPE engari he iti hoki te pūmau dielectric me te tauwehenga ngaronga, he teitei te ātete, ā, he tino pai ngā āhuatanga miihini i raro i te pāmahana taiao o te 90C, nō reira ko te nuinga o ngā rapa hangai, pērā i te rapa styrene-butadiene (SBR), te rapa butyl (IR), te neoprene (CR) me ētahi atu kua ngaro tetahi wāhanga o te hea mākete. Ki te whakatauritea ki te rauemi ārai rapa silicone, ko te ranunga o te polydimethylsiloxane (PDMS) me te LDPE he iti te utu kia tutuki ai ngā momo taumata. Haunga ngā whakaritenga motuhake o ngā taura mō te tuku hiko, te whakahaere me ngā taputapu, kua whakawhanake tonu te tangata i ngā rauemi ārai polymer hou. Heoi, ko ngā āhuatanga miihini me te ātete wera o ngā rauemi pūnaha hiko ngaohiko iti (<10kV) he teitei ake i te
He mea nui ake ngā āhuatanga hiko.
Hei tauira; me pai te pumau o ngā āhuatanga ā-pūkaha o te paparanga ārai taura mō te oumu i te pāmahana teitei. Waihoki; he rerekē anō hoki ngā whakaritenga mō ngā taura iti-paowa, ātete-hinu, me te ātete-mura. Nō reira, me whakatau te taura i ngā whakaritenga mō te mahi motuhake o te taura. Mā te pirau waikura o te rapa me te hanganga o te paparanga waikura i runga i te mata ka piki ake te kawe hiko, nā te mea i muri i te waikura o te rapa, ka puta he polarity i waenga i ngā matūriki pango waro.
Ngā Rōpū (pērā i te carboxyl) Ka whakaratohia e ēnei rōpū he ara poto ake mō ngā irahiko. He maha ngā mea hei whakaaroaro māu i te wā e whiriwhiri ana i tētahi rauemi mō tētahi tono. Mō te whakamarumaru taura; ko tētahi tawhā nui ko tōna Ka whakawhāiti i te kaha o te iahiko ki te haere i roto i te paparanga whakamarumaru. Mō te iahiko tika (dc), he mārama ka taea e te whakamahinga o ngā rauemi ātete-teitei te whakaiti i te matotoru o te paparanga whakamarumaru; mō te iahiko tauutuutu (ac), he iti noa te āheinga me te ngaronga whanaunga.
Ka whakaitihia hoki te matotoru o te whakamarumaru e te āhuatanga marara.
Ka taea te whakakapi i te ethyl methacrylate (EMA) e te rapa silicone hei rauemi whakamahana mā te whakamahi i ngā ranunga PDMS mō ngā āhuatanga hiko, ngā āhuatanga miihini me te ātete wera.
Te whai huatanga o te nui ōrite ki te mea whakataurite mō ngā ranunga LDPE me PDMSA (50:50).
1. He pūnaha tiaki pumau, ka tukuna e te CPE te hauwai pūhaumāota ina werahia, ina whakamomonatia rānei, nō reira me whakamahi ngā mea whakau me te pānga mimiti waikawa i roto i te tauira, pērā i te konupūmā stearate, te barium stearate, te tribasic lead sulfate, te konupora waikura rānei.
2. Pūnaha whakakirikiri. He mea whakamahi noa ngā whakakirikiri Ester i roto i te CPEZ, pērā i te dioctyl phthalate (DOP) me te dioctyl adipate (DOA). He tata tonu ō rātou tawhā wairewa ki ērā o te CM. He pai te kaha. Mā te whakamahinga o te DOA me te DOS i roto i te rapa ka taea te whakarato i te rapa ki te ātete makariri tino pai.
3. Ko te pūnaha whakamomona o te CPE, he rapa kua mākū te CPE, ā, kāore e taea e te pūnaha whakamomona whanariki noa te whakamomona pai. Ko te whakamahinga tuatahi o te pūnaha whakamomona CPE ko te pūnaha thiourea, ko te mea tino whai hua ko te Na-22, engari he puhoi te tere whakamomona o te Na-22, he ngoikore te mahi koroheketanga, he teitei te huinga kōpeketanga, ā, he mate pukupuku kino te Na-22. Ka puta he kakara kino, ā, kua herea tōna whakamahinga ki tāwāhi.
4. Pūnaha whakakī whakapakari, he momo rapa kore-whakakaha-ake te CPE, e hiahia ana ki tētahi pūnaha whakapakari kia pai ake ai te kaha. He rite tōna pūnaha whakakī whakapakari ki te piripiri whānui. Ko te nuinga o te mea whakapakari he pango waro me te pango waro mā. Ka taea e te pango waro mā te whakapai ake i te ātete haehae o te CPE, ā, ka taea te hanga i tētahi pūnaha metamethyl mā hei whakapai ake i te piri i waenga i te CPE me te angaanga. whakakotahi. He āhuatanga whakakī teitei te CPE, ā, ko te nuinga o te pūnaha whakakī he konupūmā kāponāte, te paura talcum, te uku, me ētahi atu.
Wā tuku: Hanuere-05-2023
