Ndeipi iyo shrinkage chiyero chepurasitiki pom + 30gf?

POM (PolyoxymexyMele resin) Tsanangudzo: Pom ndeye mutsara polymer pasina maketani emakiromita, yakakwirira density uye yakakwirira crystallinity. Maererano nechimiro chakasiyana chemakemikari mune yayo molecular cheni, inogona kukamurwa kuita marudzi maviri: homopolyoxyoxymymelene uye copolyoxymycelene. Musiyano wakakosha pakati pezviviri zviri: Homopolyoxyoxymelene ane density yakanyanya, uye yekunyungudika, asi yakatetepa yekudzikisira tembiricha (anenge gumi ℃), uye zvishoma kugadzikana kugadzikana kuAcid naAlkali; Nepo Coplyyoxymymelene ane density yakanyanya, crystallinity, uye iyo yekunyungudika uye simba rakanyanyisa kunaka, iyo yekudzora tembiricha yakakura (anenge 50 ℃), uye kugadzikana kuAcid naAlkali zvakanaka. Iyo ipurasitiki yeinjiniya ine zvakanakisa zvizere zvinhu. Iyo ine yakanaka yemuviri, michina uye yemakemikari zvivakwa, kunyanya kupokana kwakanaka. Inowanzozivikanwa seSaigang kana duogang, ndiyo yechitatu yakakura kwazvo-ine chinangwa mapurasitiki. Izvo zvakakodzera kuita kuti uwedzere-kuderedza uye kupfeka zvikamu zvekudzivirira, zvikamu zvekutapurirana, uye makemikari, chiridzwa uye zvimwe zvikamu.

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