Te matauranga

He aha te kapia hinu? He aha nga waahanga matua?

2022-10-26

Ko te kapia hinu he momo kapia epoxy me te taumaha ngota iti. He iti ake te taumaha o te irapoi i te 2000. He waiariki te waiariki, ka taea te whakakore i nga whakarewa, ina koa nga whakarewa hinu-hinu. He pai te hototahi ki etahi atu rauemi kapia. He ātete abrasion-kounga tiketike me te ātete hoholo. Ko ona tawhā mahi matua ko te ira ngohengohe, te hue, te koretake, te uara waikawa, te uara saponification, te kiato whanaunga, me era atu.

petroleum resin

Ko te waahi ngohengohe he ahuatanga nui o te hinu hinu, ko te tikanga he rereke te kaha, te pakaru, me te viscosity ki te tono, a he rereke ano te waahi ngohengohe e hiahiatia ana. I raro i nga ahuatanga noa, ko te waahi ngohengohe i roto i te hanga ahumahi o te rapa vulcanized ko 70 ° C ki te 1000 ° C, me te waahi ngohengohe i roto i te hanga ahumahi o nga paninga me nga peita ko te 100 ° C ki te 1200 ° C.

I tua atu, ko te taumata o te nekehanga tonal i puta mai i te rama ultraviolet me nga paanga waiariki he waahanga mahi tino nui. Ka taea te whakamahi i te uara waikawa ehara i te mea ki te kite i te kaha rokiroki o nga whakakorikori whakarewa waikawa-turanga engari ano hoki ki te kite i nga waahanga waro me te carboxyl o te rokiroki kapia hinu na runga i tona waikura.

He tino uaua te hanganga o te kapia hinu. Na te hokohoko me te whakatairanga o ona whakamahinga matua, he maha ake nga momo, ka taea te wehewehe ki nga waahanga e rima:

â  Te ngako tinana tangata, te kapia epoxy cycloaliphatic, i mahia mai i te hautau C5, e mohiotia ana ko te kapia epoxy C5;

â¡ p-xylene epoxy resin, he mea hanga mai i te hautau C9, e mohiotia ana ko C9 epoxy resin;

⢠p-xylene-aliphatic hydrocarbon copolymer epoxy resin, e mohiotia ana ko C5/C9 epoxy resin;

â£Dicyclopentadiene epoxy resin, he mea hanga mai i te dicyclopentadiene me ona pūhui, ka kiia hoki ko DCPD epoxy resin. Na te mea he roopu hauwai waro aliphatic tenei kapia epoxy, ka kiia hoki he mowhiti whakaata Oxygen resin.

⤠Ko te kapia hinu hinu, ko te C5, ko te C9 epoxy kapia he parauri whero ki te kowhai marama, ka taea te ma miraka, ka marama ranei i muri i te pakaru wai.

Ko te kapia hinu te nuinga e whakamahia ana i roto i nga whakakikoruatanga hoahoanga, whakapiringa, te tuhi waituhi, te whakamarumaru, me nga rawa whakakikoruatia rapa puia. Na te whanaketanga tonu o te hangarau kapia, kei te whanake haere tonu ona whakamahinga matua. Ko te C5 epoxy resin he waahanga he tere ake te whakawhanaketanga i tenei waahanga, ka whakamahia nuitia i roto i nga whakakikoruatanga hoahoanga, te waituhi ta, te hiri, te hono me etahi atu ahumahi. Ko te C9 epoxy resin e whakamahia nuitia ana i roto i te peita, te rapa puia, te kirihou me etahi atu ahumahi, a he tino whanui te whanaketanga me te maakete hoahoa.

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