ʻO ka laholio synthetic kekahi o nā mea synthetic nui ʻekolu a hoʻohana nui ʻia i nā ʻano like ʻole o ka ʻoihana, ka pale kaua aupuni, ka halihali a me ke ola o kēlā me kēia lā. ʻO ka laholio synthetic hana kiʻekiʻe a me ka hana pono he mea nui ia no ka hoʻomohala ʻana i ka au hou, a he kumuwaiwai koʻikoʻi hoʻi ia no ka ʻāina.
ʻO nā mea hana rapa synthetic kūikawā e pili ana i nā mea rapa i ʻokoʻa mai nā mea rapa maʻamau a he mau waiwai kūikawā e like me ke kūpaʻa wela kiʻekiʻe a me ka haʻahaʻa, ke kūpaʻa ʻelemakule, ke kūpaʻa ablation, a me ke kūpaʻa kemika, ʻo ia hoʻi ka rapa nitrile hydrogenated (HNBR), thermoplastic vulcanizate (TPV), Silicone rubber, fluorine rubber, fluorosilicone rubber, acrylate rubber, a pēlā aku. Ma muli o kona mau waiwai kūikawā, ua lilo nā mea rapa kūikawā i mau mea nui e pono ai no ka hoʻomohala ʻana i nā hoʻolālā aupuni nui a me nā kahua e kū mai ana e like me ka aerospace, ka pale aupuni a me ka ʻoihana koa, ka ʻike uila, ka ikehu, ke kaiapuni, a me ke kai.
1. ʻO ka laholio nitrile hydrogenated (HNBR)
ʻO ka ʻōpala nitrile hydrogenated kahi mea ʻōpala momona kiʻekiʻe i loaʻa ma o ka hydrogenating koho ʻana i nā ʻāpana butadiene ma ke kaulahao ʻōpala nitrile no ke kumu o ka hoʻomaikaʻi ʻana i ke kūpaʻa wela a me ke kūpaʻa ʻelemakule o ka ʻōpala nitrile butadiene (NBR). , ʻo kona hiʻohiʻona nui hiki ke hoʻohana ʻia no ka manawa lōʻihi ma 150 ℃, a hiki nō ke mālama i nā waiwai kino a me nā mīkini kiʻekiʻe i ke kiʻekiʻe wela, hiki ke hoʻokō pono i nā koi kūikawā o ke kūpaʻa wela kiʻekiʻe a me ke kūpaʻa kemika o nā mea i loko o ke kaʻa, aerospace, kahua aila a me nā kahua ʻē aʻe. Nā koi, ʻoi aku ka hoʻohana nui ʻia, e like me nā sila aila kaʻa, nā ʻāpana ʻōnaehana wahie, nā kāʻei hoʻoili kaʻa, nā pahu paʻa wili a me nā pistons no ka lepo, ka paʻi ʻana a me nā wili lole, nā sila aerospace, nā mea hoʻomoʻi haʻalulu, a pēlā aku.
2. Thermoplastic Vulcanizate (TPV)
ʻO nā vulcanizates Thermoplastic, i hoʻopōkole ʻia e like me TPV, he papa kūikawā o nā elastomers thermoplastic i hana ʻia e ka "vulcanization dynamic" o nā hui immiscible o nā thermoplastics a me nā elastomers, ʻo ia hoʻi ke koho ʻana o ka pae elastomer i ka wā o ka hoʻoheheʻe ʻana me ka thermoplastic Sexual cross-linking. ʻO ka vulcanization like ʻana o ka pae rubber i ke alo o kahi mea crosslinking (hiki i nā peroxides, diamines, sulfur accelerators, etc.) i ka wā o ka hoʻoheheʻe ʻana me ka thermoplastics e hopena i kahi matrix thermoplastic vulcanizate dynamic i haku ʻia me ka rubber crosslinked dispersed. ʻO nā ʻāpana i loko o ka pae, alakaʻi ka vulcanization dynamic i ka hoʻonui ʻana i ka viscosity rubber, kahi e paipai ai i ka inversion phase a hāʻawi i kahi morphology multiphase ma TPV. Loaʻa iā TPV ka hana like me ka rubber thermosetting a me ka wikiwiki o ka hana ʻana o nā thermoplastics, kahi i hōʻike nui ʻia ma ka ratio hana kiʻekiʻe/kumukūʻai, hoʻolālā maʻalahi, kaumaha māmā, ākea ka laulā o ka mahana hana, maʻalahi ka hana ʻana, ka maikaʻi o ka huahana a me ke kūpaʻa dimensional A hiki ke hana hou ʻia, hoʻohana nui ʻia i nā ʻāpana kaʻa, ke kūkulu mana, nā sila a me nā kahua ʻē aʻe.
3. ʻŌpala silicone
ʻO ka ʻōpala silicone kahi ʻano kūikawā o ka ʻōpala synthetic i hana ʻia me ka polysiloxane linear i hui pū ʻia me nā mea hoʻopihapiha hoʻoikaika, nā mea hoʻopihapiha hana a me nā mea hoʻohui, a lilo i elastomer pūnaewele ma hope o ka vulcanization ma lalo o nā kūlana hoʻomehana a me ke kaomi. Loaʻa iā ia ke kūpaʻa maikaʻi loa i ke kiʻekiʻe a me ka haʻahaʻa o ka mahana, ke kūpaʻa i ke aniau, ke kūpaʻa ozone, ke kūpaʻa arc, ka insulation uila, ke kūpaʻa makū, ke kūpaʻa ea kiʻekiʻe a me ka inertia physiological. Loaʻa iā ia kahi ākea o nā noi i ka ʻoihana hou, nā mea uila a me nā uila, nā kaʻa, ke kūkulu ʻana, nā lāʻau lapaʻau, ka mālama pilikino a me nā ʻoihana ʻē aʻe, a ua lilo ia i mea hana kiʻekiʻe kiʻekiʻe i ka aerospace, ka pale a me ka ʻoihana koa, ka hana akamai a me nā ʻoihana ʻē aʻe.
4. ʻŌpala fluorine
ʻO ka ʻōpala fluorine e pili ana i kahi mea ʻōpala i loaʻa ka fluorine e loaʻa ana nā ʻātoma fluorine ma nā ʻātoma kalapona o ke kaulahao nui a i ʻole nā kaula ʻaoʻao. Hoʻoholo ʻia kona mau waiwai kūikawā e nā ʻano kūkulu o nā ʻātoma fluorine. Hiki ke hoʻohana ʻia ka ʻōpala fluorine ma 250°C no ka manawa lōʻihi, a hiki i ka mahana lawelawe kiʻekiʻe loa ke hiki i 300°C, ʻoiai ʻo ka mahana lawelawe palena o ka EPDM kuʻuna a me ka ʻōpala butyl he 150°C wale nō. Ma waho aʻe o ke kūpaʻa wela kiʻekiʻe, loaʻa i ka fluororubber ke kūpaʻa aila maikaʻi loa, ke kūpaʻa kemika, ka waikawa a me ke kūpaʻa alkali, a ʻo kāna hana piha ka mea maikaʻi loa ma waena o nā mea elastomer ʻōpala āpau. Hoʻohana nui ʻia ia no ke kūpaʻa aila o nā rockets, missiles, mokulele, moku, kaʻa a me nā kaʻa ʻē aʻe. ʻO nā kahua kūikawā e like me ke sila ʻana a me nā pipeline pale aila he mau mea koʻikoʻi nui ia no ka hoʻokele waiwai aupuni a me nā ʻoihana pale kaua aupuni a me ka pūʻali koa.
5. ʻŌpala Acrylate (ACM)
ʻO ka ʻōpala Acrylate (ACM) kahi elastomer i loaʻa ma o ka copolymerization o ka acrylate ma ke ʻano he monomer nui. ʻO kona kaulahao nui he kaulahao kalapona saturated, a ʻo kona mau hui ʻaoʻao he mau hui ester polar. Ma muli o kona ʻano kūikawā, he nui nā ʻano maikaʻi loa, e like me ke kūpaʻa wela, ke kūpaʻa ʻelemakule, ke kūpaʻa aila, ke kūpaʻa ozone, ke kūpaʻa UV, a pēlā aku, ʻoi aku ka maikaʻi o kona mau waiwai mechanical a me nā waiwai hana ma mua o ka fluororubber a me ka silicone rubber, a ʻoi aku ka maikaʻi o kona kūpaʻa wela, ke kūpaʻa ʻelemakule a me ke kūpaʻa aila. i loko o ka ʻōpala nitrile. Hoʻohana nui ʻia ʻo ACM ma nā ʻano wela kiʻekiʻe a me nā ʻano aila, a ua lilo ia i mea sila i hoʻomohala ʻia a hoʻolaha ʻia e ka ʻoihana kaʻa i nā makahiki i hala iho nei.
Ka manawa hoʻouna: Sep-27-2022
