No ke aha e lilo ai ka lole PTFE kiʻekiʻe-kiʻekiʻe i mea paʻakikī a palupalu ma hope o ka hoʻohana lōʻihi ʻana i nā wela kiʻekiʻe?

Jiangsu Aokai New Materials, he kumu hana o PTFE kiʻekiʻe-mehana lole, wehewehe i ka paakiki a me ka embrittlement o PTFE kiʻekiʻe-mehana lole ma hope o ka lōʻihi kiʻekiʻe wela lawelawe mai ekolu kuanaʻike: polymer kaulahao hoʻomaha, cross-linking, a me ka degradation . Pono e hoʻomaopopo ʻia ʻo ka polytetrafluoroethylene (PTFE) ka mea nui o ka PTFE kiʻekiʻe-mehana lole, a ʻo kēia ka nānā ʻana e pili ana i nā loli microstructural o PTFE kiʻekiʻe-mehana lole.

I. ʻO ka hoʻomaha ʻana i ke kaulahao Molecular

I ke kiʻekiʻe wela, ka mobility o molecular kaulahao i loko o ka amorphous māhele o PTFE kiʻekiʻe-mehana lole mahuahua, a me ka mālie hoʻololi i ka oi kauoha crystalline moku'āina, ka hopena i kiekie ae crystallinity. ʻO kēia kaʻina hana hoʻomaha kaulahao e hōʻemi i ka neʻe ʻana o nā ʻāpana molekala i loko o ka PTFE lole wela kiʻekiʻe, kahi macroscopically e hōʻike ʻia e like me ka hoʻololi ʻana o nā mea mai ka maʻalahi a paʻakikī.

II. Pane Hoʻohui Kea

I ka PTFE kiʻekiʻe-mehana lole i hōʻike 'ia i kiʻekiʻe wela no ka manawa lōʻihi (ʻoi loa kokoke a oi aku paha i kona luna lawelawe palena), i ke alo o ka trace oxygen a radiation paha, PTFE molekele lilo fluorine nā mana e hana noa radicals, a laila trigger intermolecular cross-linking. Hoʻopaʻa pololei ka ʻupena pili kea i ka hoʻoheheʻe ʻana o nā kaulahao molekala i loko o ka lole wela wela PTFE, e nalowale ana ka maʻalahi. ʻO kēia kekahi o nā kumu kemika nui no ka paʻakikī a me ka embrittlement o ka PTFE kiʻekiʻe-mehana lole.

III. Hoʻohaʻahaʻa ʻana

Ma nā mahana kiʻekiʻe a i ʻole ke alo o ka oxygen, nā kaulahao nui o ka PTFE kiʻekiʻe-mehana lole e haki a hoʻohaʻahaʻa, e hana ana i nā ʻāpana haʻahaʻa-molecular-kaumaha a hoʻokuʻu i nā kinoea fluoride. ʻOiai hiki ke palupalu ka mea i ka hoʻomaka ʻana, alakaʻi ka hoʻohaʻahaʻa mau ʻana i kahi hāʻule nui o ke kaumaha molekala a me ka pōʻino i ke ʻano crystalline kumu. I ka hopena, ka ili o ka PTFE kiʻekiʻe-mahana lole pauka, māwae, a hoike irreversible embrittlement.

Hōʻuluʻulu manaʻo : Ke wela ka PTFE lole wela kiʻekiʻe no ka manawa lōʻihi, hoʻomaha hoʻomaha kaulahao (crystallization) a me ka hoʻopili ʻana i nā mea paʻakikī a me ka nalowale o ka paʻakikī; ma lalo o nā kūlana koʻikoʻi, hoʻopau ka degradation i ka pono o ke kūkulu ʻana. ʻO ka hui pū ʻana o kēia mau mea ʻekolu i hana ai i ka PTFE kiʻekiʻe-mehana lole paʻakikī a palupalu.

Hāʻawi ʻia ka ʻike ma luna e Jiangsu Aokai New Materials Technology Co., Ltd.

Inā makemake ʻoe e aʻo hou aʻe e pili ana i nā palena kikoʻī, nā hiʻohiʻona noiʻi a me nā hoʻoponopono i hoʻopili ʻia no kā mākou huahana piha, me ka PTFE kiʻekiʻe-mehana lole, PTFE kiʻekiʻe-mehana tape, PTFE kiʻekiʻe wela mesh kāʻei, seamless kāʻei no nā mīkini hoʻopaʻa, hoʻokahi ʻaoʻao PTFE lole, kiʻekiʻe-kūʻokoʻa kūʻokoʻa lole conveyor kāʻei, e ʻoluʻolu e hoʻopili iā mākou ma o ke aniani uila.

·  Laina Hana Hana: Mr. Guo 18944819998

·  Mr. Liu 13705266308

Ke kākoʻo mau nei mākou i ke kumumanaʻo lawelawe o ka ʻoihana a me ka kūpaʻa, a ua hoʻolaʻa ʻia i ka hāʻawi ʻana iā ʻoe i nā hopena hoʻokahi a me ka lawelawe hoʻolohe!