He aha te rereketanga o te papanga PP me te polyester?

1. tātari rauemi

PP papanga kore-whatu: Ko te muka e whakamahia ana mo te hanga papanga kore-whatu he polypropylene, he muka waihanga i whiwhihia e te polymerization o te propylene.

Ko te papanga polyester kore-whatu: ko te muka e whakamahia ana mo te hanga papanga kore-whatu ko te muka polyester, he muka waihanga i riro mai i te miro i te polyester i whakamatao mai i te waikawa dibasic me te diol.

2. Rerekē kiato

papanga kore-whatu PP: Ko tona kiato he 0.91g/cm3 anake, koinei te momo ngawari rawa atu i waenga i nga muka matū noa.

Ko te papanga polyester karekau he whatu: Ina he amorphous te polyester, he 1.333g/cm3 tona kiato.

3. Atete marama rereke

Ko te papanga kore-whatu PP: he iti te aukati marama, te aukati i te insolation, te ngawari o te koroheketanga me te mate pakaru.

Ko te papanga kore-whatu polyester: he pai te aukati marama, he 60% anake te ngaro o te kaha i muri i te 600h ra o te ra.

4. Nga momo waiariki rereke

He papanga kore-whatu PP: he iti te pumau o te waiariki, kaore i te atete ki te rino.

Te papanga polyester kore-whatu: pai te wera wera, te rewa o te 255 ℃, me te ahua pumau i raro i te whānuitanga o nga tikanga whakamahi mutunga.

5, rerekē ātete alkali

Te papanga kore-whatu polypropylene: He pai te parenga matū o te polypropylene, haunga te houra caustic kukū, he pai te parenga kawakore te polypropylene.

Te papanga kore-whatu polyester: He ngoikore te parenga kawakore o te polyester, ka kino te muka ina tauhohe ki te kawakore kukū i te pāmahana rūma me te waimeha kawakore i te pāmahana teitei.He pumau noa ki te waimeha kawakawa, kawakore ngoikore ranei i te iti o te pāmahana.


Wā tuku: Feb-27-2023
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