Nūhou ʻOihana
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He aha nā kemika a Kina i hoʻouna aku ai i Thailand?
ʻO ka hoʻomohala ʻana o ka mākeke kemika Hikina Hema ma muli o kahi hui mea kūʻai nui, ka hana haʻahaʻa, a me nā kulekele palupalu. Wahi a kekahi poʻe o ka ʻoihana ua like loa ke kaiapuni mākeke kemika o kēia manawa ma Hikina Hema me ko Kina i nā makahiki 1990. Me ka ʻike o ka hoʻomohala wikiwiki ʻana o ka ʻoihana kemika o Kina, ua maopopo loa ke ʻano o ka hoʻomohala ʻana o ka mākeke Hikina Hema. No laila, he nui nā ʻoihana e nānā ana i mua e hoʻonui ikaika ana i ka ʻoihana kemika Hikina Hema, e like me ke kaulahao ʻoihana epoxy propane a me ke kaulahao ʻoihana propylene, a me ka hoʻonui ʻana i kā lākou hoʻopukapuka kālā ma ka mākeke Vietnamese. (1) ʻO ke kalapona ʻeleʻele ka kemika nui loa i lawe ʻia aku mai Kina a i Thailand. Wahi a nā helu helu ʻikepili dute, ʻo ka nui o ke kalapona bla... -
ʻO ka hoʻonui nui ʻana i ka hana uila kiʻekiʻe kūloko a me ka hoʻohaiki ʻana o ka ʻokoʻa kumukūʻai linear
Mai ka makahiki 2020, ua komo nā hale hana polyethylene kūloko i kahi pōʻaiapuni hoʻonui kikowaena, a ua piʻi koke ka hiki ke hana makahiki o ka PE kūloko, me ka awelika o ka ulu makahiki ma mua o 10%. Ua piʻi koke ka hana ʻana o ka polyethylene i hana ʻia ma ka kūloko, me ka homogenization huahana koʻikoʻi a me ka hoʻokūkū ikaika ma ka mākeke polyethylene. ʻOiai ua hōʻike pū ke koi no ka polyethylene i kahi ʻano ulu i nā makahiki i hala iho nei, ʻaʻole i wikiwiki ka ulu ʻana o ke koi e like me ka wikiwiki o ka ulu ʻana o ka lako. Mai 2017 a 2020, ua kālele nui ʻia ka hiki ke hana hou o ka polyethylene kūloko i nā ʻano haʻahaʻa haʻahaʻa a me nā linear, a ʻaʻohe mea hana kiʻekiʻe-voltage i hoʻokomo ʻia ma Kina, e hopena ana i ka hana ikaika ma ka mākeke kiʻekiʻe-voltage. I ka makahiki 2020, ʻoiai ke ʻokoʻa ke kumukūʻai... -
Nā wā e hiki mai ana: mālama i nā loli o ka laulā, hoʻonohonoho a hahai i ke alakaʻi o ka ʻili nūhou
Ma ka lā 16 o Mei, ua wehe ʻia ka ʻaelike Liansu L2309 ma 7748, me ke kumukūʻai haʻahaʻa loa o 7728, ke kumukūʻai kiʻekiʻe loa o 7805, a me ke kumukūʻai pani o 7752. Ke hoʻohālikelike ʻia me ka lā kālepa ma mua, ua piʻi aʻe ia ma 23 a i ʻole 0.30%, me ke kumukūʻai hoʻonā o 7766 a me ke kumukūʻai pani o 7729. Ua loli ka laulā 2309 o Liansu, me ka emi iki ʻana o nā kūlana a me ka pani ʻana o ka laina maikaʻi. Ua kāohi ʻia ke ʻano ma luna o ka awelika neʻe MA5, a ua emi iho ka pā ʻōmaʻomaʻo ma lalo o ka hōʻailona MACD; Mai ka manaʻo o ka hōʻailona BOLL, ua haʻalele ka mea K-line mai ke ala haʻahaʻa a neʻe ke kikowaena o ke koʻikoʻi i luna, ʻoiai ʻo ka hōʻailona KDJ he manaʻolana hoʻokumu hōʻailona lōʻihi. Aia nō ka hiki ke piʻi i luna i ka hoʻoheheʻe mau ʻana i ka wā pōkole, e kali ana i ke alakaʻi mai ka n... -
He aha nā ʻano like ʻole o ka Polyethylene?
Hoʻokaʻawale pinepine ʻia ka Polyethylene i loko o kekahi o nā hui nui, ʻo ka mea maʻamau o ia mau mea ʻo LDPE, LLDPE, HDPE, a me Ultrahigh Molecular Weight Polypropylene. ʻO nā ʻano ʻē aʻe e komo pū me Medium Density Polyethylene (MDPE), Ultra-low-molecular-weight polyethylene (ULMWPE a i ʻole PE-WAX), High-molecular-weight polyethylene (HMWPE), High-density cross-linked polyethylene (HDXLPE), Cross-linked polyethylene (PEX a i ʻole XLPE), Very-low-density polyethylene (VLDPE), a me Chlorinated polyethylene (CPE). ʻO Low-Density Polyethylene (LDPE) kahi mea maʻalahi loa me nā waiwai kahe kū hoʻokahi e kūpono loa ai no nā ʻeke kūʻai a me nā noi kiʻiʻoniʻoni plastik ʻē aʻe. Loaʻa i ka LDPE ke ductility kiʻekiʻe akā haʻahaʻa ka ikaika tensile, kahi i ʻike ʻia ma ke ao maoli e kona ʻano e hoʻolōʻihi i ka wā... -
E ʻoi aku ka nui o ka hana ʻana o ka titanium dioxide i kēia makahiki ma mua o 6 miliona tons!
Mai Malaki 30 a ʻApelila 1, ua mālama ʻia ka ʻAha Kūkākūkā Makahiki ʻOihana Titanium Dioxide Lahui 2022 ma Chongqing. Ua ʻike ʻia mai ka hālāwai e hoʻomau ka ulu ʻana o ka hana a me ka hiki ke hana o ka titanium dioxide i ka makahiki 2022, a e hoʻonui hou ʻia ka nui o ka hiki ke hana; i ka manawa like, e hoʻonui hou ʻia ka nui o nā mea hana e kū nei a e hoʻonui ʻia nā papahana hoʻopukapuka kālā ma waho o ka ʻoihana, kahi e alakaʻi ai i ka nele o ka lako titanium ore. Eia kekahi, me ka piʻi ʻana o ka ʻoihana mea pākaukau ikehu hou, ʻo ke kūkulu ʻana a i ʻole ka hoʻomākaukau ʻana i kahi nui o nā papahana hao phosphate a i ʻole lithium hao phosphate e alakaʻi i ka piʻi ʻana o ka hiki ke hana titanium dioxide a hoʻoikaika i ka kūʻē ma waena o ka lako a me ke koi o titani... -
He aha ka ʻoniʻoni Polypropylene Overwrap Biaxially Oriented?
ʻO ka ʻili polypropylene i kuhikuhi ʻia ma ke ʻano Biaxially (BOPP) kahi ʻano ʻili hoʻopili palupalu. Hoʻolōʻihi ʻia ka ʻili polypropylene overwrap i kuhikuhi ʻia ma nā ʻaoʻao mīkini a me nā ʻaoʻao transverse. ʻO kēia ka hopena i kahi kuhikuhi kaulahao molekala ma nā ʻaoʻao ʻelua. Hana ʻia kēia ʻano ʻili hoʻopili palupalu ma o kahi kaʻina hana tubular. Hoʻopiha ʻia kahi pehu ʻili ʻano paipu a hoʻomehana ʻia i kona wahi palupalu (he ʻokoʻa kēia mai ka wahi heheʻe) a hoʻolōʻihi ʻia me nā mīkini. Hoʻolōʻihi ka ʻili ma waena o 300% - 400%. Ma kahi ʻē aʻe, hiki ke hoʻolōʻihi ʻia ka ʻili e kahi kaʻina hana i ʻike ʻia ʻo ka hana ʻili tenter-frame. Me kēia ʻano hana, ua hoʻopuka ʻia nā polymers ma luna o kahi ʻōwili hoʻolei anuanu (i ʻike ʻia hoʻi he pepa kumu) a huki ʻia ma ke kuhikuhi mīkini. Hana ʻana i ka ʻili Tenter-frame iā mākou... -
Ua piʻi nui ka nui o nā mea i hoʻokuʻu aku ʻia mai Ianuali a Pepeluali 2023.
Wahi a nā helu helu dute: mai Ianuali a Pepeluali 2023, ʻo ka nui o ka hoʻokuʻu aku ʻana o ka PE kūloko he 112,400 tons, me 36,400 tons o HDPE, 56,900 tons o LDPE, a me 19,100 tons o LLDPE. Mai Ianuali a Pepeluali, ua piʻi ka nui o ka hoʻokuʻu aku ʻana o ka PE kūloko ma 59,500 tons i hoʻohālikelike ʻia me ka manawa like ma 2022, he piʻi ʻana o 112.48%. Mai ka pakuhi ma luna, hiki iā mākou ke ʻike ua piʻi nui ka nui o ka hoʻokuʻu aku ʻana mai Ianuali a Pepeluali i hoʻohālikelike ʻia me ka manawa like ma 2022. Ma ke ʻano o nā mahina, ua piʻi ka nui o ka hoʻokuʻu aku ʻana ma Ianuali 2023 ma 16,600 tons i hoʻohālikelike ʻia me ka manawa like i ka makahiki i hala, a ua piʻi ka nui o ka hoʻokuʻu aku ʻana ma Pepeluali ma 40,900 tons i hoʻohālikelike ʻia me ka manawa like i ka makahiki i hala; ma ke ʻano o nā ʻano like ʻole, ʻo ka nui o ka hoʻokuʻu aku ʻana o LDPE (Ianuali-Pepeluali) he 36,400 tons, he makahiki... -
ʻO nā hoʻohana nui o ka PVC.
1. Nā ʻikepili PVC ʻO nā ʻikepili PVC a me nā ʻikepili nā wahi nui loa o ka hoʻohana ʻana i ka PVC ma Kina, e helu ana ma kahi o 25% o ka huina o ka hoʻohana ʻana i ka PVC. Hoʻohana nui ʻia lākou e hana i nā puka a me nā puka makani a me nā mea mālama ikehu, a ke piʻi nui nei kā lākou noi ma ka ʻāina holoʻokoʻa. Ma nā ʻāina i hoʻomohala ʻia, ʻo ka māhele mākeke o nā puka plastik a me nā puka makani kekahi i helu mua ʻia, e like me 50% ma Kelemania, 56% ma Palani, a me 45% ma ʻAmelika Hui Pū ʻIa. 2. Paipu PVC Ma waena o nā huahana PVC he nui, ʻo nā paipu PVC ka lua o ka ʻoihana hoʻohana nui loa, e helu ana ma kahi o 20% o kāna hoʻohana ʻana. Ma Kina, ua hoʻomohala mua ʻia nā paipu PVC ma mua o nā paipu PE a me nā paipu PP, me nā ʻano like ʻole, ka hana maikaʻi loa a me ka laulā o ka noi, e noho ana i kahi kūlana koʻikoʻi ma ka mākeke. 3. Kiʻiʻoniʻoni PVC... -
Nā ʻano polypropylene.
Loaʻa i nā molekole polypropylene nā hui methyl, hiki ke hoʻokaʻawale ʻia i ka polypropylene isotactic, polypropylene atactic a me ka polypropylene syndiotactic e like me ka hoʻonohonoho ʻana o nā hui methyl. Ke hoʻonohonoho ʻia nā hui methyl ma ka ʻaoʻao like o ke kaulahao nui, ua kapa ʻia ʻo isotactic polypropylene; inā hoʻolaha ʻia nā hui methyl ma nā ʻaoʻao ʻelua o ke kaulahao nui, ua kapa ʻia ʻo atactic polypropylene; ke hoʻonohonoho ʻia nā hui methyl ma nā ʻaoʻao ʻelua o ke kaulahao nui, ua kapa ʻia ʻo syndiotactic. polypropylene. I ka hana maʻamau o ka resin polypropylene, ʻo ka nui o ke ʻano isotactic (i kapa ʻia ʻo isotacticity) ma kahi o 95%, a ʻo ke koena he polypropylene atactic a syndiotactic paha. Ua hoʻokaʻawale ʻia ka resin polypropylene i hana ʻia i Kina i kēia manawa e like me... -
Ka hoʻohana ʻana i ka hoʻopili ʻana o ka resin pvc.
Ua manaʻo ʻia i ka makahiki 2000, ʻo ka nui o ka hoʻohana ʻana o ka mākeke resin paste PVC honua ma kahi o 1.66 miliona t/a. Ma Kina, ʻo ka resin paste PVC ka mea nui i nā noi penei: ʻOihana ʻili artificial: ke kaulike o ka lako a me ke koi o ka mākeke holoʻokoʻa. Eia naʻe, i hoʻopilikia ʻia e ka hoʻomohala ʻana o ka ʻili PU, ua kau ʻia ke koi no ka ʻili artificial ma Wenzhou a me nā wahi hoʻohana resin paste nui ʻē aʻe i kekahi mau kapu. He ikaika ka hoʻokūkū ma waena o ka ʻili PU a me ka ʻili artificial. ʻOihana ʻili papahele: I hoʻopilikia ʻia e ka emi ʻana o ke koi no ka ʻili papahele, ua emi iho ke koi no ka resin paste ma kēia ʻoihana i kēlā me kēia makahiki i nā makahiki i hala iho nei. ʻOihana mea mīkina lima: nui ke koi, lawe nui ʻia mai, nona ka hana ʻana o ka hoa i hāʻawi ʻia... -
ʻO ka hoʻohana ʻana i ka soda caustic e pili ana i nā ʻano he nui.
Hiki ke hoʻokaʻawale ʻia ka soda caustic i ka soda flake, ka soda granular a me ka soda paʻa e like me kona ʻano. Pili ka hoʻohana ʻana i ka soda caustic i nā ʻano he nui, eia kahi hoʻolauna kikoʻī no ʻoe: 1. ʻaila i hoʻomaʻemaʻe ʻia. Ma hope o ka holoi ʻia ʻana me ka waikawa sulfuric, aia nō i loko o nā huahana petroleum kekahi mau mea waikawa, pono e holoi ʻia me ka hopena sodium hydroxide a laila holoi ʻia me ka wai e loaʻa ai nā huahana i hoʻomaʻemaʻe ʻia. 2. ka paʻi ʻana a me ka hoʻoluʻu ʻana Hoʻohana nui ʻia i nā dyes indigo a me nā dyes quinone. I ke kaʻina hana hoʻoluʻu o nā dyes vat, pono e hoʻohana ʻia ka hopena soda caustic a me ka sodium hydrosulfite e hōʻemi iā lākou i ka leuco acid, a laila oxidized i ke kūlana insoluble mua me nā oxidants ma hope o ka hoʻoluʻu ʻana. Ma hope o ka mālama ʻia ʻana o ka lole pulupulu me ka hopena soda caustic, ʻo ka wax, ka grease, ka starch a me nā mea ʻē aʻe ... -
ʻO ka hoʻōla ʻana o ke koi PVC honua e hilinaʻi ʻia ana ma Kina.
Ke komo nei i ka makahiki 2023, ma muli o ka lohi o ke koi ma nā wahi like ʻole, ke kū nei ka mākeke polyvinyl chloride (PVC) honua i nā mea kānalua. I ka hapa nui o 2022, ua hōʻike nā kumukūʻai PVC ma Asia a me ʻAmelika Hui Pū ʻIa i ka emi nui ʻana a ua emi loa ma mua o ke komo ʻana i ka makahiki 2023. Ke komo nei i ka makahiki 2023, ma waena o nā wahi like ʻole, ma hope o ka hoʻoponopono ʻana o Kina i kāna mau kulekele pale a me ka kaohi ʻana i nā maʻi ahulau, manaʻo ka mākeke e pane; hiki i ʻAmelika Hui Pū ʻIa ke hoʻokiʻekiʻe hou i nā uku paneʻe i mea e hakakā ai i ka hoʻonui ʻana o ke kumukūʻai a kāohi i ke koi PVC kūloko ma ʻAmelika Hui Pū ʻIa. Ua hoʻonui ʻo ʻAsia, alakaʻi ʻia e Kina, a me ʻAmelika Hui Pū ʻIa i nā mea hoʻokuʻu aku i nā PVC ma waena o ka nāwaliwali o ke koi honua. No ʻEulopa, e kū mau ana ka ʻāina i ka pilikia o ke kumukūʻai ikehu kiʻekiʻe a me ka emi ʻana o ka hoʻonui ʻana o ke kumukūʻai, a ʻaʻole paha e loaʻa kahi hoʻōla mau i nā palena waiwai o ka ʻoihana. ...