Polyvinyl chloride (PVC)He rauemi hiato te kirihou i hangaia mā te whakaranu i te kapia PVC me ngā momo tāpiritanga. He tino pai ngā āhuatanga miihini, he ātete ki te waikura matū, he āhuatanga tineia-ake, he ātete pai ki te huarere, he āhuatanga whakamarumaru hiko pai rawa atu, he ngāwari ki te tukatuka, he iti hoki te utu, ā, he rauemi pai mō te whakamarumaru me te hipoki waea me te taura.
He pūhui kirihou wera raina te kapia PVC i hangaia mā te whakakotahitanga o ngā monomer vinyl chloride. Ko ōna āhuatanga hanganga ngota:
(1) Hei pūmua kirihou wera, e whakaatu ana i te pai o te kirihou me te ngāwari.
(2) Mā te noho mai o ngā hononga porowhita C-Cl ka kaha te porowhita o te kapia, ka hua ake he pūmau dielectric teitei (ε) me te tauwehenga tohatoha (tanδ), me te whakarato i te kaha dielectric teitei i ngā auau iti. Ka whai wāhi atu hoki ēnei hononga porowhita ki ngā kaha kaha i waenga i ngā ngota me te kaha miihini teitei.
(3) Ka whakawhiwhia e ngā ngota chlorine i roto i te hanganga ngota ngā āhuatanga ātete mura me te ātete matū me te huarere pai. Heoi, ka whakararuraru ēnei ngota chlorine i te hanganga tioata, ka hua ake he ātete wera iti me te ātete makariri ngoikore, ka taea te whakapai ake mā te tāpiri tika.
2. Ngā momo kapia PVC
Ko ngā tikanga whakapūhui mō te PVC ko: te whakapūhui whakatārewatanga, te whakapūhui emulsion, te whakapūhui papatipu, me te whakapūhui otinga.
Ko te tikanga whakapūhui whakatārewatanga te tikanga matua i roto i te hanga kapia PVC i tēnei wā, ā, koinei te momo e whakamahia ana i roto i ngā tono waea me te taura.
E rua ngā momo hanganga o ngā kapia PVC whakatārewatia-polymerized:
Kapia momo-kore (momo-XS): He āhua porous tōna hanganga, he nui te mimiti kirihou, he ngāwari te kirihou, he watea te whakahaere tukatuka, me te iti o ngā matūriki tiēre, koia te mea pai mō ngā tono waea me te taura.
Te kapia momo-kikī (momo-XJ): E whakamahia ana mō ētahi atu hua kirihou.
3. Ngā Āhuatanga Matua o te PVC
(1) Ngā Āhuatanga Ārai Hiko: Hei rauemi dielectric tino pōraru, he pai ngā āhuatanga ārai hiko o te kapia PVC engari he iti iho te kaha ki te whakataurite ki ngā rauemi kore-pōraru pērā i te polyethylene (PE) me te polypropylene (PP). Neke atu i te 10¹⁵ Ω·cm te ātete rōrahi; i te 25°C me te auau 50Hz, ko te pūmau dielectric (ε) kei waenga i te 3.4 ki te 3.6, he rerekē nui me ngā huringa pāmahana me te auau; ko te tauwehenga marara (tanδ) kei waenga i te 0.006 ki te 0.2. Ka noho teitei tonu te kaha pakaru i te pāmahana rūma me te auau mana, kāore e pāngia e te pōraru. Heoi, nā te nui o te mate dielectric, kāore te PVC e pai mō ngā tono ngaohiko teitei me te auau teitei, e whakamahia ana hei rauemi ārai mō ngā taura ngaohiko iti me te reo i raro i te 15kV.
(2) Te Pūmautanga o te Pakaritanga: Ahakoa e whakaatu ana te hanganga ngota i te pumau pai o te pakari nā te hononga chlorine-waro, ka tukuna e te PVC te hauwai chloride i te wā e tukatukahia ana i raro i te ahotea wera me te miihini. Ka arahi te waikura ki te pirau, ki te hononga whakawhiti rānei, ka puta te tae ke, te pakarukaru, te hekenga nui o ngā āhuatanga miihini, me te hekenga o te mahi whakamarumaru hiko. Nō reira, me tāpiri he whakaū tika hei whakapai ake i te ātete ki te koroheketanga.
(3) Ngā Āhuatanga Werawera: Hei pūmua kore-āhua, e toru ngā āhua ā-tinana o te PVC i ngā pāmahana rerekē: te āhua karāhe, te āhua tino-pūmau, me te āhua rere matotoru. Mēnā he 80°C te pāmahana whakawhiti karāhe (Tg) me te 160°C te pāmahana rere, kāore e taea e te PVC i roto i tōna āhua karāhe i te pāmahana rūma te whakatutuki i ngā whakaritenga tono waea me te taura. Me whakarerekē kia eke ki te pūmau teitei ake i te pāmahana rūma me te pupuri tonu i te ātete wera me te makariri. Mā te tāpiri i ngā mea whakapūmau ka taea te whakarite pai i te pāmahana whakawhiti karāhe.
Hei kaiwhakarato matua mō ngā rauemi mata waea me te taura, ka whakaratohia e ONE WORLD (OW Cable) ngā matū PVC kounga teitei mō ngā tono whakamahana me te hipoki, e whakamahia whānuitia ana i roto i ngā taura hiko, ngā waea hanga whare, ngā taura whakawhitiwhiti kōrero, me ngā waea motuka. He pai rawa te whakamahana hiko o ā mātou rauemi PVC, he ātete mura, he ātete huarere, e tutuki ana i ngā paerewa o te ao pēnei i te UL, RoHS, me te ISO 9001. E whakapau kaha ana mātou ki te whakarato i ngā otinga PVC pono me te utu-pai e hāngai ana ki ngā hiahia o ā mātou kiritaki.
Wā tuku: Maehe-27-2025