ʻO ka hoʻohui ʻana i ke kaʻina extrusion wale nō ke ala no nā mea polymer, ʻoi aku ka plastics, e neʻe mai nā huahana i ka ʻoihana.Ke ulu nei nā mea polymer hou i nā mea hana polymer structural kiʻekiʻe, nā mea hana polymer hou a me nā mea polymer maʻamau me ke kumu kūʻai haʻahaʻa a me ka hana kiʻekiʻe.
ʻO ka hoʻohui ʻana i ke kaʻina extrusion wale nō ke ala no nā mea polymer, ʻoi aku ka plastics, e neʻe mai nā huahana i ka ʻoihana.Houmea polimerke hoʻomohala nei i nā mea hoʻolālā polymer kiʻekiʻe, nā mea hana polymer hou a me nā mea polymer maʻamau me ke kumu kūʻai haʻahaʻa a me ka hana kiʻekiʻe.Hōʻike ʻia nā mea hana polymer kiʻekiʻe e ka ikaika kikoʻī kiʻekiʻe, ke kūpaʻa corrosion maikaʻi loa, ke kūpaʻa abrasion a me ka hana maʻalahi, he mea nui ia i ka hoʻomohala ʻana i ka hoʻokele waiwai a me ka palekana aupuni.Ma muli o kāna ʻano hana kūikawā a me ke ʻano kūikawā, ua hoʻohana nui ʻia nā mea hana polymer hou i nā ʻoihana ʻoihana e like me ka mālama ʻana i ka kaiaola, ka hana ʻike, nā lako biomedical, ka membrane hoʻokaʻawale mea, ka hoʻololi ʻana i ka ikehu a me ka ʻenehana mālama ikehu.ʻO ka hana kiʻekiʻe o nā mea polymer maʻamau a me nā kumu kūʻai haʻahaʻa o nā plastik ʻenekinia ka mea nui o ka noiʻi a me ka hoʻomohala ʻana o nā mea polymer i kēia manawa a me kahi ana nui e hoʻonui ai i ka hoʻohana ʻana o nā plastik maʻamau a me nā plastic engineering.
Ma waho aʻe o kekahi mau mea hana o nā mea polymer kuʻuna, he nui nā ʻokoʻa o nā mea polymer hou i nā waiwai kino a me nā mea kemika.Hōʻike ʻia me ka hoʻomohala ʻana o nā mea polymeric hou, nā kahua o ka hoʻonui ʻana i ka noi, i ka polymer material mixing extrusion e waiho ʻia i mua o ke noi kiʻekiʻe, ʻaʻole maikaʻi ka ʻenehana hui kuʻuna a me nā mea hana i kekahi mau mea polymer kiʻekiʻe e hoʻokō i ka koi o ka hui ʻana, no laila, ka hoʻomohala ʻana o ka ʻenehana hou ʻana i ka ʻenehana extrusion a me nā lako, e hoʻokō i nā pono o nā mea polymer hou i ka industrialization, hui ʻana i nā lako BNR;i ka manawa like, ʻaʻole hiki ke ʻike ʻia ke ʻano o ka hoʻomohala ʻana i nā lako hana polymer i kēia lā.
- 1.Application o māhoe wilihui ʻana extrusionʻenehana
ʻO ka hui ʻana o kēia manawa a me ka hui ʻana i ka ʻenehana extrusion ka hoʻohui ʻana i nā mea polymer i loaʻa me nā ʻano polymers a i ʻole e hoʻohui i nā mea ʻē aʻe e hoʻonui ai i ka hui ʻana o nā mea like ʻole, i mea e hoʻomaikaʻi nui ai i nā waiwai waiwai, a i ʻole e hāʻawi i nā mea maka me nā waiwai hou, e hoʻohui i nā ʻano hou ka ʻohana polymer.I loko o ka ʻoihana plastics holoʻokoʻa, ma kahi o 60% o nā plastics e hui ʻia a hoʻololi ʻia e hana i nā mea hou.ʻO ka hapa nui o kēia mau kaʻina hana paʻakikī i hoʻopau ʻia i loko o nā lako hui ʻana i hōʻike ʻia e ka twin screw extruder.ʻO ka hoʻohana ʻana i ka māhoe māhoe hoʻokahi no ka hoʻohui ʻana i ka extrusion he mau mea maikaʻi kēia:
(1) maikaʻi ka hui ʻana a me ka plasticizing hana, hiki ke hōʻoia piha i ka dispersion uniformity a me ka hana like ʻana o nā mea like ʻole ma hope o ka hui ʻana, a kūpono i nā hana paʻakikī e like me ka hoʻopiha ʻana, ka hui ʻana, ka hoʻoikaika ʻana i ke aniani, ka extrusion reactive a me ka wehe ʻana o nā resins like ʻole. ilikai.
(2) hiki i ka cylinder a me ka wili ke hoʻomaopopo i ka hui ʻana o ka "kūkulu hale", i mea e hoʻokō ai i nā kumu he nui, multi-function.
(3) hoʻoheheʻe ʻia, maikaʻi ka hopena hoʻomaʻemaʻe iā ia iho;Loaʻa ka waiwai i ka hopena hou o ka honua a me ka hana hoʻopau maikaʻi loa, hiki ke hoʻopau i ke kinoea a i ʻole monomer i hana ʻia i ka hui ʻana a me ka hana plasticizing.
(4) kiʻekiʻe kiʻekiʻe wili wikiwiki, nui hana mana, haʻahaʻa mana hoʻohana no kēlā me kēia ʻāpana hana, ʻike ʻia ka hopena hoʻopakele ikehu.
Ma muli o nā pono i luna aʻe, ʻo ka co-directional twin-screw mixing extrusion technology he mea hiki ʻole ke hoʻololi ʻia i nā lako hana hana polymer a noho i kahi kūlana kiʻekiʻe i ka hana hoʻololi ʻana i nā mea polymer.
I kēia manawa, ua hōʻike nui ʻia ke ʻano hou twin-screw compounding a me ka noi hou o ka ʻenehana extrusion i kēia mau ʻano: ʻo ka hoʻomākaukau ʻana o ka nanometer mea hoʻololi he kiʻekiʻe polymer material rigid Gao Ren ʻano haʻahaʻa haʻahaʻa, kiʻekiʻe polymer alloy material, electromagnetic shielding. nā mea polymeric, nā mea polymer novel no nā plastic degradable, ka pepa uila, masterbatch hou a me nā masterbatch hana like ʻole, a me nā mea ʻē aʻe, hiki ke hoʻohana ʻia i nā mea hana hou (e like me ka lāʻau plastic composite) ka hana ʻana a me ka hoʻomākaukau ʻana i nā mea hou. e hoʻohana ʻia no ka grafting polymer, polycondensation o reactive extrusion.ʻO nā ʻoihana e pili ana i nā mea pono hale, nā kaʻa, kamaʻilio, ʻenehana uila, pale aupuni, aerospace, palekana kaiapuni, ʻoihana kemika, nā mea kūkulu hale, mana uila, etc.
- 2.Development o hou polymer mea extrusion 'enehana me māhoe wili
I kēia manawa, ʻo ke kuhikuhi o ka hoʻomohala ʻana o nā mea polymer hou, ka mea nui i haku ʻia me nā nanomaterials, nā plastic degradable, hoʻololi ʻia ka asphalt a me ka lāʻau-plastic composite material, nā kikowaena ma ka hana ʻana o kēia mau mea, a me ka ʻenehana extrusion twin-screw extrusion e lilo i ka kī e hoʻokō i ka ʻoihana.Hoʻohālikelike ʻia me nā mea polyolefin maʻamau, ʻokoʻa nui kēia mau mea i ka haku ʻana o ka ʻōnaehana waiwai, ka molecular structure a me nā waiwai rheological.
(1) Ke lilo nei nā nanomaterials i ʻano mea hou i hoʻomohala ʻia e nā ʻāina like ʻole o ka honua.Mai ka hoʻomākaukau ʻana i ka nanometer masterbatch a hiki i ka hana ʻana i nā plastics i hoʻololi ʻia nanometer, hoʻokani ʻo twin-screw extruder i kahi hana hiki ʻole ke hoʻololi i ka hana ʻana o nā plastik nanometer.ʻO ka mea mua, ma muli o ka hāʻawi ʻana i ka nui o nā nanomaterials, pono e kiʻekiʻe ka extrusion hui ʻana a me nā hopena dispersion.ʻO ka lua, ʻo ka hoʻomākaukau ʻana o nanometer masterbatch no nā hiʻohiʻona hoʻoheheʻe inviscid, haʻahaʻa haʻahaʻa, loaʻa ka nui o ke kinoea extrusion a me nā mea hoʻohui i ke kaʻina o ka wehe ʻana i nā huahana o ka decomposition, a me ka polymer kuʻuna ma lalo o nā ʻano like ʻole o ka plasticizing hiʻohiʻona e like me ka brittleness kiʻekiʻe, hoʻomaha a He ʻokoʻa ke kaʻina hana i hoʻopau ʻia mai ka hana masterbatch polyolefin maʻamau.Mai ka hui ʻana a me ka plasticizing extruder i ka hoʻoluʻu a me ka granulation, pono nā hana hou he nui.No laila, ʻaʻole hiki ke hoʻohana ʻia ke ʻano hoʻoluʻu maʻamau o ka polymer hehee.Hoʻopuka ʻia ka huahana hope loa ma ka hoʻohana ʻana i ke ʻano hānai pani ʻia me ka hōʻiliʻili pauka, ka hoʻohana ʻana i ka mea hou kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe i loko o ka wili, ka hoʻonohonoho ʻana i ke ʻano hoʻopau ʻano buffer i loko o ka cylinder, a me ka hoʻohana ʻana i ke ala o ka lawe ʻana i ke kāʻei a me ka hoʻomaha ʻana, pre-crushing. a me ka ʻoki ʻana i loko o ka mea hoʻoluʻu a me ka ʻoki ʻana.
(2) He nui ka starch i ka hooulu ana o ka starch piha degradable plastics, double degradable plastics a pau starch thermoplastic plastics.Ma kahi o ka plasticizing a me ka hoʻohui ʻana iā lākou, ua lilo ka dehydration exhaust a me ka hoʻokaʻawale ʻana i ka manawa noho i ke kaʻina extrusion i nā pilikia e pono e hoʻoponopono ʻia i ka wā e hui pū ai a granulating.No laila, e like me nā mea kiko'ī, pono ke koho ʻia ka lakene o ka lōʻihi-diameter host screw, ka wahi a me ka nui, ka hoʻonohonoho ʻana a me ka hoʻonohonoho ʻana, ka mode additive a me ka helu hoʻohui e koho ʻia e hoʻāʻo a hoʻoholo i ka hoʻonohonoho;I ka manawa like, lilo ka ʻenehana hana a me ka ʻenehana i ka pilikia koʻikoʻi o ka degradation plastic twin-screw extrusion.Hiki ke hoʻokumu ʻia nā ʻenehana koʻikoʻi ma luna o ka ʻike kūleʻa e kū nei, i hui pū ʻia me ka hoʻokolohua extrusion kaʻina hana a me ka nānā ʻana i nā hopena, e hoʻoholo hope i ka hoʻonohonoho ʻana i nā mea hana extrusion.
(3) Ua lilo ka asphalt i hoʻololi ʻia i kuhikuhi hou o ka hoʻololi ʻana i nā mea polymer.ʻO ka nānā ʻana i kāna noi ma ke kūkulu ʻana i ke alaloa, ke kūkulu hou ʻana i ka mokulele a me nā papahana hoʻonui, ka hoʻomaikaʻi ʻana i kona kūpaʻa wela a me ka haʻahaʻa haʻahaʻa haʻahaʻa waiwai ʻo ia ke kuhikuhi nui o ka hoʻomaikaʻi ʻana i kāna waiwai noi.Ma muli o ka hāʻawi nui ʻana o ke kaumaha molecular a me ke ʻano o ka macromolecule, ʻaʻole i hoʻomaikaʻi nui ʻia ka hoʻololi ʻana o ka asphalt.He mea kūikawā loa ka asphalt i hoʻololi ʻia, aia nā mea ʻelua i nā hiʻohiʻona o ka hui ʻana i ka plastic plastic, akā loaʻa nō hoʻi ka ʻike o ka huahana post-processing, ka lawe ʻana o twin screw extruder, hoʻohui i nā mea o ka hoʻomohala ʻana, e like me ka extrusion granulation e kau ʻia i mua o nā koi hou. , Pono ka hana hou e hoʻomohala i ke ʻano ʻano hou a me ka hoʻonohonoho ʻana o ka mea hoʻoheheʻe, console, koho ʻia ʻelua ʻāpana wili i nā ʻano o nā ʻāpana hoʻāʻo, e like me ka lōʻihi o ka screw a me ke anawaena ratio, ka helu a me ke kūlana o ka pauku exhaust, shear rate, extruding form and structure , etc.
(4) Ma keʻano o kaʻepekema waiwai, he mea hou ka WPC me ka mana nui.Ua hōʻike ʻia ua hoʻohana nui ʻia nā mea kanu fiber composites i ka ʻoihana kaʻa, ʻoihana kūkulu hale, ʻoihana halihali, ʻoihana mokulele a pēlā aku ma muli o ko lākou mau waiwai mechanical kiʻekiʻe, paʻakikī kikoʻī, ikaika kikoʻī, hoʻoheheʻe leo a me ka biodegradability.I loko o ka pulupulu lāʻau, ka pauka lāʻau i hui pū ʻia me ka resin matrix, ʻo ka hui ʻana o nā ʻano ʻano like ʻole o ka pulupulu lāʻau i nā mea i hoʻohui ʻia i loaʻa ma ka hoʻopuehu ʻana i ka like ʻole o ka ʻokoʻa he nui loa, e ʻike ai i ka hana ʻana o ka lāʻau plastic composite kēia mea hana hou ke kī i ka ke kaʻina hana extrusion a me ke ʻano hoʻolālā kūikawā o ka extruder, aia ka ʻenehana ʻenehana i nā ala hoʻokaʻina i hoʻokaʻawale ʻia, ke ʻano ʻano ʻano screw kūikawā, TME a me ZME element, ʻōnaehana hoʻoili kiʻekiʻe kiʻekiʻe, nui ka lōʻihi o ka lōʻihi i ke anawaena a me D / Di = 1.55 manuahi manuahi. , ka hana hoʻokahi-ʻanuʻu o twin-screw extrusion production.
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Ka manawa hoʻouna: ʻAukake-22-2019