He UHMWPE anei ka nylon?

ʻAʻole. He paʻakikī ka Nylon a he kūpaʻa kiʻekiʻe ka wela, a he kūpono ia no ka hana ʻana i nā pūpū, nā mea hana, nā mīkini, a me nā mea ʻē aʻe.Hiki ke puhi ʻia i loko o nā kiʻiʻoniʻoni a hana ʻia i ʻōmole.

ʻO ka polyethylene (PE) kahi resin thermoplastic i hoʻomākaukau ʻia e ka polymerization o ka ethylene.Ma ka ʻoihana, loaʻa pū kekahi copolymers o ka ethylene a me kahi liʻiliʻi o nā α-olefins.ʻO ka polyethylene he mea ʻala ʻole, ʻaʻohe mea ʻawaʻawa, manaʻo e like me ka wax, a he haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa maikaʻi loa, kūpaʻa kemika maikaʻi a kūʻē i ka nui o ka ʻakika a me ka alkali.ʻAʻole hiki ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe maʻamau i ka lumi wela, me ka haʻahaʻa haʻahaʻa o ka wai a me ka insulation uila maikaʻi loa.Loaʻa i ka Polyethylene nā waiwai mechanical maʻamau, ka ikaika tensile haʻahaʻa, ke kū ʻana o ka creep maikaʻi a me ke kūpaʻa hopena maikaʻi.Hiki ke hana ʻia ka polyethylene e ka puhi ʻana, extrusion a me ka injection molding, a hoʻohana nui ʻia i ka hana ʻana i nā kiʻiʻoniʻoni, nā huahana hollow, nā fibers a me nā mea e pono ai i kēlā me kēia lā.

ʻO ka polyamide ka inoa maʻamau ʻo Nylon, a ʻo kona inoa Pelekane ʻo Polyamide (PA no ka pōkole), me ka nui o 1.15g/cm.He huaʻōlelo maʻamau ia no nā resins thermoplastic me nā pūʻulu amide mau - [NHCO]- i loko o ka iwi kuamoʻo, me ka PA aliphatic, PA aliphatic-aromatic a me PA aromatic.Ma waena o lākou, he nui nā ʻano aliphatic PA, ka hoʻopuka nui a me ka noi ākea, a hilinaʻi kona inoa i ka helu kikoʻī o nā kalapona kalapona i ka monomer synthetic.Ua haku ʻia e ka mea kaulana ʻAmelika chemist carothers a me kāna hui noiʻi.


Ka manawa hoʻouna: Feb-21-2023
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