Nūhou
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Ka Nānā ʻana i nā Hoʻololi o nā ʻAno Hoʻohana PE ma lalo o ka Wai i ka Wā E Hiki Mai Ana.
I kēia manawa, nui ka nui o ka hoʻohana ʻana o ka polyethylene ma koʻu ʻāina, a he paʻakikī ka hoʻokaʻawale ʻana o nā ʻano ma lalo a kūʻai pololei ʻia aku i nā mea hana huahana plastik. No ka huahana hope hapa ia ma ke kaulahao ʻoihana ma lalo o ka ethylene. Me ka hopena o ka hoʻohuihui ʻāina o ka hoʻohana ʻana i loko o ka home, ʻaʻole kaulike ka ʻokoʻa o ka lako a me ke koi ʻāina. Me ka hoʻonui nui ʻia o ka hiki ke hana o nā ʻoihana hana polyethylene ma luna o koʻu ʻāina i nā makahiki i hala iho nei, ua piʻi nui ka ʻaoʻao lako. I ka manawa like, ma muli o ka hoʻomaikaʻi mau ʻana o ka hana a me nā kūlana ola o ka poʻe kamaʻāina, ua piʻi mau ke koi no lākou i nā makahiki i hala iho nei. Eia naʻe, mai ka hapa lua o 202... -
He aha nā ʻano like ʻole o ka Polypropylene?
ʻElua ʻano nui o ka polypropylene i loaʻa: nā homopolymers a me nā copolymers. Ua māhele hou ʻia nā copolymers i nā copolymers poloka a me nā copolymers random. Kūpono kēlā me kēia māhele i kekahi mau noi ma mua o nā mea ʻē aʻe. Ua kapa pinepine ʻia ʻo Polypropylene ʻo ke "kila" o ka ʻoihana plastic ma muli o nā ʻano like ʻole e hiki ai ke hoʻololi a hoʻopilikino ʻia e lawelawe maikaʻi i kahi kumu kikoʻī. Hoʻokō pinepine ʻia kēia ma ka hoʻokomo ʻana i nā mea hoʻohui kūikawā iā ia a i ʻole ma ka hana ʻana iā ia ma ke ʻano kūikawā. He waiwai koʻikoʻi kēia hiki ke hoʻololi. He papa kumu maʻamau ka Homopolymer polypropylene. Hiki iā ʻoe ke noʻonoʻo i kēia e like me ke kūlana paʻamau o ka mea polypropylene. Loaʻa i ka block copolymer polypropylene nā ʻāpana co-monomer i hoʻonohonoho ʻia i loko o nā poloka (ʻo ia hoʻi, ma ke ʻano maʻamau) a loaʻa i kekahi... -
He aha nā ʻano o ka Polyvinyl Chloride (PVC)?
ʻO kekahi o nā waiwai koʻikoʻi o Polyvinyl Chloride (PVC): Density: He paʻa loa ka PVC i hoʻohālikelike ʻia me ka hapa nui o nā plastics (kikoʻī koʻikoʻi a puni 1.4) Economics: Loaʻa koke ka PVC a makepono ke kumu kūʻai. Paʻakikī: Kūlana maikaʻi ʻo PVC paʻa no ka paʻakikī a me ke kūpaʻa. Ikaika: Loaʻa i ka PVC paʻa ka ikaika tensile maikaʻi loa. ʻO Polyvinyl Chloride kahi mea "thermoplastic" (e kūʻē i ka "thermoset"), e pili ana i ke ʻano o ka pane ʻana o ka plastic i ka wela. Lilo nā mea Thermoplastic i wai ma ko lākou wahi hoʻoheheʻe (kahi pae no PVC ma waena o 100 degere Celsius haʻahaʻa loa a me nā waiwai kiʻekiʻe e like me 260 degere Celsius ma muli o nā mea hoʻohui). ʻO kahi ʻano pono nui e pili ana i nā thermoplastics hiki ke hoʻomehana ʻia i ko lākou wahi hoʻoheheʻe, hoʻomaʻalili ʻia, a hoʻomehana hou ʻia me... -
He aha ka soda caustic?
Ma kahi huakaʻi maʻamau i ka hale kūʻai nui, hiki i nā mea kūʻai ke kūʻai i nā mea holoi, kūʻai i kahi ʻōmole aspirin a nānā i nā poʻomanaʻo hou loa ma nā nūpepa a me nā makasina. I ka nānā mua ʻana, ʻaʻole paha e like me kēia mau mea he nui nā mea like. Eia nō naʻe, no kēlā me kēia o lākou, he kuleana koʻikoʻi ka soda caustic i kā lākou papa inoa mea hoʻohui a i ʻole nā kaʻina hana. He aha ka soda caustic? ʻO ka soda caustic ka hui kemika sodium hydroxide (NaOH). He alkali kēia hui - kahi ʻano kumu e hiki ke hoʻopau i nā waikawa a hiki ke hoʻoheheʻe ʻia i ka wai. I kēia lā hiki ke hana ʻia ka soda caustic ma ke ʻano o nā pellets, flakes, powders, solutions a me nā mea hou aku. He aha ka hoʻohana ʻia ʻana o ka soda caustic? Ua lilo ka soda caustic i mea maʻamau i ka hana ʻana o nā mea o kēlā me kēia lā. ʻIke pinepine ʻia ʻo lye, ua hoʻohana ʻia ... -
No ke aha i hoʻohana pinepine ʻia ai ka polypropylene?
Hoʻohana ʻia ka Polypropylene ma nā noi hale a me nā ʻoihana. ʻO kona mau waiwai kūikawā a me kona hiki ke hoʻololi i nā ʻano hana like ʻole e hoʻokaʻawale iā ia ma ke ʻano he mea waiwai nui no nā ʻano hoʻohana like ʻole. ʻO kekahi ʻano waiwai nui ʻo ia ka hiki o ka polypropylene ke hana ma ke ʻano he mea plastik a ma ke ʻano he fiber (e like me kēlā mau ʻeke tote hoʻolaha i hāʻawi ʻia ma nā hanana, nā heihei, a me nā mea ʻē aʻe). ʻO ka hiki kūikawā o ka Polypropylene ke hana ʻia ma o nā ʻano hana like ʻole a i loko o nā noi like ʻole, ua hoʻomaka koke ia e hoʻokūkū i nā mea ʻē aʻe kahiko, ʻoi aku hoʻi i nā ʻoihana hoʻopili, fiber, a me ka hoʻoheheʻe ʻana i ka injection. Ua hoʻomau ʻia kona ulu ʻana i nā makahiki a ke noho nei ia he mea pāʻani nui i ka ʻoihana plastik ma ka honua holoʻokoʻa. Ma Creative Mechanisms, ua... -
Ua kono ʻia ʻo Chemdo e komo i ka ʻaha kūkā i hoʻonohonoho like ʻia e Google lāua ʻo Global Search.
Hōʻike ka ʻikepili i ke ʻano hana o ke kālepa uila palena ʻāina o Kina i ka makahiki 2021, ua aneane 80% ka nui o nā hana B2B palena ʻāina. I ka makahiki 2022, e komo nā ʻāina i kahi pae hou o ka hoʻomaʻamaʻa ʻana o ka maʻi ahulau. I mea e hoʻoponopono ai i ka hopena o ka maʻi ahulau, ua lilo ka hoʻomaka hou ʻana o ka hana a me ka hana ʻana i huaʻōlelo pinepine no nā ʻoihana lawe mai a hoʻokuʻu aku i loko a me waho. Ma waho aʻe o ka maʻi ahulau, ʻo nā mea e like me ke piʻi ʻana o ke kumukūʻai o nā mea maka i hoʻokumu ʻia e ka paʻa ʻole o ka politika kūloko, ka piʻi ʻana o ka ukana kai, nā mea lawe mai i ālai ʻia ma nā awa hoʻokipa, a me ka emi ʻana o nā kālā pili i hoʻokumu ʻia e ka piʻi ʻana o ka uku paneʻe kālā US he hopena āpau i nā kaulahao kālepa honua āpau. I loko o ia kūlana paʻakikī, ua mālama ʻo Google a me kāna hoa ma Kina, ʻo Global Sou, i kahi kūikawā... -
He aha nā granules PVC?
ʻO PVC kekahi o nā plastics i hoʻohana nui ʻia ma ka ʻoihana. ʻO Plasticol, kahi hui Italia kokoke i Varese, ua hana ʻo ia i nā granules PVC no nā makahiki he 50 a ʻoi aku i kēia manawa a ʻo ka ʻike i hōʻiliʻili ʻia i nā makahiki i hala aku nei ua ʻae i ka ʻoihana e loaʻa kahi pae hohonu o ka ʻike e hiki ai iā mākou ke hoʻohana iā ia e hoʻokō i nā noi a nā mea kūʻai aku e hāʻawi ana i nā huahana hou a hilinaʻi. ʻO ka ʻoiaʻiʻo ua hoʻohana nui ʻia ʻo PVC no ka hana ʻana o nā mea like ʻole e hōʻike ana pehea e pono ai a kūikawā ai kona mau ʻano kūloko. E hoʻomaka kākou e kamaʻilio e pili ana i ka paʻakikī o PVC: he paʻakikī loa ka mea inā maʻemaʻe akā lilo ia i mea maʻalahi inā hui pū ʻia me nā mea ʻē aʻe. ʻO kēia ʻano ʻokoʻa e kūpono ai ʻo PVC no ka hana ʻana i nā huahana i hoʻohana ʻia ma nā ʻano like ʻole, mai ke kūkulu ʻana i hoʻokahi t... -
Hiki i ka ʻālohilohi biodegradable ke hoʻololi i ka ʻoihana hoʻonaninani.
Ua piha ke ola i nā ʻōpala ʻālohilohi, nā ʻōmole hoʻonaninani, nā kīʻaha huaʻai a me nā mea hou aku, akā he nui o lākou i hana ʻia me nā mea ʻawahia a hoʻomau ʻole e hāʻawi ana i ka haumia plastik. I kēia mau lā iho nei, ua loaʻa i nā mea noiʻi ma ke Kulanui o Cambridge ma UK kahi ala e hana ai i ka ʻālohilohi hoʻomau, ʻaʻohe ʻawahia a biodegradable mai ka cellulose, ka poloka hale nui o nā paia cell o nā mea kanu, nā huaʻai a me nā mea kanu. Ua paʻi ʻia nā pepa pili i ka puke pai Nature Materials ma ka lā 11. Hana ʻia mai nā nanocrystals cellulose, hoʻohana kēia ʻālohilohi i ke kala hoʻonohonoho e hoʻololi i ka mālamalama e hana i nā kala ʻōlinolino. I ke kūlohelohe, no ka laʻana, ʻo nā ʻālohilohi o nā ʻēheu butterfly a me nā hulu peacock he mau hana noʻeau o ke kala hoʻonohonoho, ʻaʻole e mae ma hope o hoʻokahi kenekulia. Ma ka hoʻohana ʻana i nā ʻano hana hoʻākoakoa ponoʻī, hiki i ka cellulose ke hana ... -
He aha ka Polyvinyl chloride (PVC) paste Resin?
ʻO ka Polyvinyl chloride (PVC) paste Resin, e like me ka inoa e hōʻike nei, ʻo ia ka hoʻohana nui ʻia ʻana o kēia resin ma ke ʻano paste. Hoʻohana pinepine ka poʻe i kēia ʻano paste ma ke ʻano he plastisol, he ʻano wai kū hoʻokahi o ka plastic PVC i kona kūlana i hana ʻole ʻia. . Hoʻomākaukau pinepine ʻia nā resins paste e nā ʻano emulsion a me micro-suspension. He ʻāpana liʻiliʻi ka nui o ka polyvinyl chloride paste resin, a ua like kona ʻano me ka talc, me ka paʻa ʻole. Hoʻohui ʻia ka polyvinyl chloride paste resin me kahi Plasticizer a laila hoʻoulu ʻia e hana i kahi suspension paʻa, a laila hana ʻia i PVC paste, a i ʻole PVC plastisol, PVC sol, a ma kēia ʻano e hoʻohana ʻia ai ka poʻe e hana i nā huahana hope loa. I ke kaʻina hana o ka hana ʻana i ka paste, ua hoʻohui ʻia nā mea hoʻopihapiha like ʻole, nā diluents, nā mea hoʻopaʻa wela, nā mea hoʻohua a me nā mea hoʻopaʻa māmā e like me ka ... -
He aha ʻo PP Films?
NĀ WAIWAI ʻO ka Polypropylene a i ʻole PP he thermoplastic haʻahaʻa ke kumukūʻai o ke ʻano moakāka kiʻekiʻe, ka ʻōlinolino kiʻekiʻe a me ka ikaika tensile maikaʻi. Loaʻa iā ia kahi kiko heheʻe kiʻekiʻe ma mua o ka PE, kahi e kūpono ai no nā noi e pono ai ka sterilization ma nā mahana kiʻekiʻe. Loaʻa iā ia ka liʻiliʻi o ka noe a me ka ʻōlinolino kiʻekiʻe. Ma keʻano laulā, ʻaʻole maikaʻi nā waiwai sila wela o PP e like me ko LDPE. Loaʻa iā LDPE ka ikaika haehae ʻoi aku ka maikaʻi a me ke kūpaʻa hopena haʻahaʻa. Hiki ke hoʻoheheʻe ʻia ka PP e hopena ai i nā waiwai pale kinoea i hoʻomaikaʻi ʻia no nā noi koi kahi e koʻikoʻi ai ke ola papa lōʻihi o ka huahana. Kūpono nā kiʻiʻoniʻoni PP no kahi ākea o nā noi ʻoihana, mea kūʻai aku, a me nā kaʻa. Hiki ke hana hou ʻia ka PP a hiki ke hana hou ʻia i loko o nā huahana ʻē aʻe he nui no nā noi like ʻole. Eia naʻe, unl... -
He aha ka hui PVC?
Hoʻokumu ʻia nā hui PVC ma ka hui pū ʻana o ka polymer PVC RESIN a me nā mea hoʻohui e hāʻawi i ke ʻano e pono ai no ka hoʻohana hope ʻana (Pipes a i ʻole Rigid Profiles a i ʻole Flexible Profiles a i ʻole Sheets). Hoʻokumu ʻia ka hui ma ka hui pū ʻana i nā mea hoʻohui, kahi e hoʻololi ʻia ai i loko o ka ʻatikala "gelled" ma lalo o ka mana o ka wela a me ka ikaika shear. Ma muli o ke ʻano o PVC a me nā mea hoʻohui, hiki i ka hui ma mua o ka gelation ke lilo i pauka kahe manuahi (i ʻike ʻia he hui maloʻo) a i ʻole he wai ma ke ʻano o kahi paste a i ʻole ka hopena. ʻO nā hui PVC i ka wā i hoʻokumu ʻia ai, me ka hoʻohana ʻana i nā plasticizers, i loko o nā mea palupalu, i kapa pinepine ʻia ʻo PVC-P. ʻO nā hui PVC i ka wā i hoʻokumu ʻia me ka ʻole o ka plasticizer no nā noi paʻa ua kapa ʻia ʻo PVC-U. Hiki ke hōʻuluʻulu ʻia ʻo PVC Compounding penei: ʻO ka PVC paʻa dr... -
ʻOkoʻa ma waena o nā ʻeke BOPP, OPP a me PP.
Hoʻohana nui ka ʻoihana meaʻai i ka ʻōpala plastik BOPP. He maʻalahi ke paʻi, uhi a hoʻopaʻa ʻia nā ʻeke BOPP e kūpono ai no ka hoʻopili ʻana i nā huahana e like me nā huahana hou, nā mea ʻono a me nā meaʻai māmā. Me BOPP, hoʻohana pū ʻia nā ʻeke OPP, a me PP no ka hoʻopili ʻana. ʻO Polypropylene kahi polymer maʻamau i waena o nā mea ʻekolu i hoʻohana ʻia no ka hana ʻana i nā ʻeke. ʻO OPP ke kū nei no Oriented Polypropylene, ʻo BOPP ke kū nei no Biaxially Oriented Polypropylene a ʻo PP ke kū nei no Polypropylene. ʻOkoʻa nā mea ʻekolu i ko lākou ʻano hana. ʻO Polypropylene i ʻike ʻia ʻo polypropene he polymer semi-crystalline thermoplastic. He paʻakikī, ikaika a he pale kiʻekiʻe kona hopena. Hana ʻia nā ʻeke kū, nā ʻeke spout a me nā ʻeke ziplock mai polypropylene. He mea paʻakikī loa ka hoʻokaʻawale ʻana ma waena o OPP, BOPP a me PP plas...