Māhele: Polyethylene
Nature: ʻAʻohe ʻono, ʻala ʻole, ʻawaʻawa ʻole, ʻōlinolino ʻole, nā ʻāpana waxy keʻokeʻo milky me ka mānoanoa ma kahi o 0.920 g/cm3 a me kahi helu heheʻe o 130 ℃ a 145 ℃. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i loko o ka hydrocarbons, etc. Hiki iā ia ke pale aku i ka hoʻoheheʻe ʻana o ka hapa nui o nā waikawa a me nā alkalis, haʻahaʻa haʻahaʻa wai, mālama i ka maʻalahi i nā haʻahaʻa haʻahaʻa, a loaʻa ka insulation uila kiʻekiʻe.
Ka hana hana: ʻElua mau kaʻina hana: ke kaʻina tubular kiʻekiʻe a me ke kaʻina ipu. I mea e hōʻemi ai i ka wela o ka hopena a me ke kaomi, ke kaʻina hana tubularrally hoʻohana i nā mea hoʻomaka haʻahaʻa a me nā hana kiʻekiʻe e hoʻomaka i ka ʻōnaehana polymerization. ʻO ka ethylene maʻemaʻe kiʻekiʻe ka mea nui, a ua hoʻohana ʻia ka propylene, propane, etc. Lawe ʻia ka hopena polymerization ma lalo o nā kūlana o kahi 200 ℃ a 330 ℃ a me 150 a 300 MPa me ka hoʻohana ʻana i nā mea hoʻomaka kiʻekiʻe. ʻO ka polymer hoʻoheheʻe i hoʻomaka ʻia e ka polymerization i loko o ka reactor pono e hoʻomaha ʻia a hoʻokaʻawale ʻia ma lalo o ke kaomi kiʻekiʻe, ke kaomi waena, a me ke kaomi haʻahaʻa. Hoʻomaʻalili a hoʻokaʻawale ʻia ke kinoea holo kiʻekiʻe kiʻekiʻe a hoʻouna ʻia i ka inlet o ka mea hoʻokūkū ultra-high-pressure (300 MPa). Hoʻomaʻalili a hoʻokaʻawale ʻia ke kinoea holo kaʻa medium-pressure a laila hoʻouna ʻia i ka inlet o ka compressor kiʻekiʻe (30 MPa). Hoʻomaʻalili ʻia ke kinoea holo haʻahaʻa haʻahaʻa a hoʻokaʻawale ʻia a laila hana hou ʻia e ka compressor haʻahaʻa haʻahaʻa (0.5 MPa). Hoʻokaʻawale ʻia ka polyethylene i hoʻoheheʻe ʻia ma lalo o ke kaomi kiʻekiʻe a me ka haʻahaʻa haʻahaʻa a laila hoʻouna ʻia i ka granulator no ka ʻoki wai. I ka wā o ka granulation, hiki ke hoʻohui ʻia nā mea hoʻohui kūpono e like me nā kahua noi like ʻole, a hoʻopili ʻia nā ʻāpana a hoʻouna ʻia.
Pili: Hiki ke hana ʻia e ka hoʻoheheʻe ʻana, ka hoʻoheheʻe extrusion, ka puhi ʻana, a me nā mea ʻē aʻe.ral kiʻiʻoniʻoni, kiʻi ʻoniʻoni ʻenehana, kiʻi ʻoniʻoni a me nā meaʻai meaʻai, nā ʻāpana mechanical, nā mea e pono ai i kēlā me kēia lā, nā mea kūkulu hale, ka uea a me ka insulation cable, nā uhi, a me ka pepa synthetic, etc.
ʻO ka Polyethylene Powder Pena
ʻO ka pena polyethylene pauka ka mea nui a hoʻohana nui ʻia o ka pena thermoplastic pauka. Hāʻawi ka resin maikaʻi i ke kumu no nā uhi kiʻekiʻe o ka pena polyethylene pauka. Loaʻa i ke kiʻi ʻoniʻoni nā mea maikaʻi aʻe: a) ke kūpaʻa wai maikaʻi loa, ka pale ʻana i ka wai a me ka alkali, ke kūpaʻa kemika, a me ka nui o ka absorption wai ma lalo o 0.001%; b) maikaʻi ka wela wela a me ka uila, ʻaʻohe ʻino uila; c) ka ikaika tensile maikaʻi loa, ka maʻalahi, a me ka pale ʻana i ka hopena; d) maikaʻi haʻahaʻa haʻahaʻa kū'ē,ʻaʻohe māwae ma -40 ℃ no ka oi ma mua o 400h, hiki ke hoʻohana 'ia i loko o ke anuanu kaiapuni o ka akau; e) haʻahaʻa kumu kumu kumu kūʻai, non-toxic.
Hāʻawi kēia ʻano pena pauda i ke kiʻi ʻoniʻoni i ka pae maikaʻi loa, palupalu, a me ke ʻano waxy. Ke hoʻopili ʻia ke kiʻi ʻoniʻoni o ka pauka polyethylene me kekahi mau solvents a i ʻole detergents, e haki koke ia ma muli o ke kaumaha. ʻO ka maʻamau, hoʻohana ʻia nā ʻano resins ʻē aʻe e hoʻololi i ka resin polyethylene, hoʻomaikaʻi nui i nā ʻano mechanical o ka polyethylene powder paint, hoʻomaikaʻi i kona pili ʻana i ka substrate, a me ka hoʻolaha ʻana i ka hoʻomohala ʻana o kēia ʻano uhi, hoʻonui nui i kāna mau noi noi.
ʻO nā ʻano hoʻomohala e hiki mai ana o ka polyethylene powder coating
ʻO ka pauka polyethylene he mea synthetic koʻikoʻi, ʻo ia ka polymer compound synthesized mai ka ethylene monomer a hoʻohana nui ʻia i ka hana ʻana i nā huahana plastic, fibers, containers, pipes, wires, cables a me nā māla ʻē aʻe. Me ka hoʻokomo mau ʻana o nā mea hou a me nā ʻenehana hou, ke hoʻonui nei ka noi ʻana o ka pauka polyethylene. ʻO nā ʻano hoʻomohala e hiki mai ana e like me kēia: 1. ʻO ka ʻōmaʻomaʻo a me ka mālama ʻana i ke kaiapuni: Me ka hoʻonui ʻana i ka ʻike o ka mālama kaiapuni, ke ʻano hoʻomohala o ka ʻōmaʻomaʻo a me ke kaiapuni.Heluhelu hou aku…
He aha ke code HS o ka polyethylene powder coating?
Introduction of HS code of polyethylene powder coating HS CODE is the abbreviation of "Harmonized Commodity Description and Coding System". Hoʻokumu ʻia ka Harmonization System Code (HS-Code) e ka International Customs Council a ʻo ka inoa Pelekane ʻo The Harmonization System Code (HS-Code). ʻO nā kumu kumu o nā kuʻuna a me nā mea kūʻai aku komo a puka i waho o nā ʻāina like ʻole e hōʻoia i nā ʻāpana waiwai, e alakaʻi i ka hoʻokele hoʻonohonoho ʻana o nā huahana, e nānā i nā kūlana tariff, a nānā i nā hōʻailona maikaʻi o nā huahana nā palapala hōʻoia maʻamau no ka lawe ʻana mai.Heluhelu hou aku…
He aha ka helu CN o ka pauka polyethylene?
Ka helu CN o ka pauda polyethylene: 3901 Polymers o ka ethylene, ma nā ʻano kumu mua: 3901.10 Polyethylene nona ka umekaumaha kikoʻī o lalo o 0,94: —3901.10.10 Linear polyethylene —3901.10.90 ʻO nā mea ʻē aʻe 3901.20 Polyethylene i loaʻa ka gravity kikoʻī o ka gravity ma lalo o 0,94 a oi aku paha: —-3901.20.10 Polyethylene ma kekahi o na ano i oleloia ma ka palapala 6(b) o keia mokuna, o ka umekaumaha kikoo o 0,958 a oi ma 23 °C, i loaa: 50 mg/kg a emi mai paha o ka alumini, 2 mg/kg a emi mai paha o ka calcium, 2 mg/kg a i oleHeluhelu hou aku…
He aha ka Polyethylene Paint
ʻO ka Polyethylene Paint, ka mea i ʻike ʻia he ʻili palaki, he mau uhi i hoʻohana ʻia i nā mea plastik. I kēia mau makahiki i hala iho nei, ua hoʻohana nui ʻia nā uhi plastik i ke kelepona paʻa, TV, kamepiula, kaʻa, nā mea kaʻa kaʻa a me nā kula ʻē aʻe, e like me nā ʻāpana o waho a me nā ʻāpana o loko. Hoʻohana nui ʻia nā mea hoʻohui, nā uhi plastik i nā mea haʻuki a me nā mea leʻaleʻa, nā mea hoʻonaninani, a me nā mea pāʻani. ʻO nā uhi resin acrylate Thermoplastic, nā uhi hoʻololi acrylate-polyurethane resin thermosetting, nā uhi hoʻololi polyolefin chlorinated, nā uhi polyurethane i hoʻololi ʻia a me nā ʻano ʻano ʻē aʻe, i waena o ia mau ʻāpana acrylic.Heluhelu hou aku…
He aha ka High Density Polyethylene
ʻO ka polyethylene kiʻekiʻe (HDPE), ka pauka keʻokeʻo a i ʻole ka huahana granular. Non-toxic, tasteless, crystallinity of 80% to 90%, softness point of 125 to 135°C, hoʻohana i ka mahana a hiki i 100°C; ʻoi aku ka paʻakikī, ka ikaika tensile a me ka ductility ma mua o ka polyethylene haʻahaʻa haʻahaʻa; ʻaʻahu kūʻokoʻa, uila ʻO ka insulation maikaʻi, ka paʻakikī a me ke kūpaʻa anu; paʻa kemika maikaʻi, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o kekahi mea hoʻoheheʻe kūlohelohe i ka mahana o ka lumi, kūpaʻa i ka corrosion o ka waika, alkali a me nā paʻakai like ʻole; hikiwawe kiʻiʻoniʻoni i ka wai mahu a me ka ea, wai absorption Haʻahaʻa; ʻino ka pale ʻana i ka wā kahiko,Heluhelu hou aku…
He aha ke kaʻina hana o ka Polyethylene
Hiki ke hoʻokaʻawale ʻia ke kaʻina hana o ka polyethylene i: High pressure method, high pressure method is used to produce low density polyethylene. ʻO ke kaomi haʻahaʻa. E pili ana i ke ʻano haʻahaʻa haʻahaʻa, aia ke ʻano slurry, ke ʻano hoʻonā a me ke ʻano hana kinoea. Hoʻohana ʻia ke ʻano kaomi kiʻekiʻe e hana i ka polyethylene haʻahaʻa haʻahaʻa. Ua kūkulu mua ʻia kēia ʻano hana. ʻO ka polyethylene i hana ʻia e kēia ʻano hana e pili ana i ka 2/3 o ka huina o ka polyethylene, akā me kaHeluhelu hou aku…
He aha ka Polyethylene Hoʻololi ʻia?
He aha ka Polyethylene Hoʻololi ʻia? ʻO ka nui o nā ʻano polyethylene i hoʻololi ʻia he polyethylene chlorinated, chlorosulfonated polyethylene, cross-linked polyethylene a me nā ʻano like ʻole i hoʻololi ʻia. Polyethylene Chlorinated: He chloride maʻamau i loaʻa ma ka hoʻololi hapa ʻana i nā ʻātoma hydrogen i ka polyethylene me ka chlorine. Lawe ʻia ʻo Chlorination ma lalo o ka hoʻomaka ʻana o ka māmā a i ʻole ka peroxide, a hana nui ʻia e ke ʻano hoʻokuʻu wai i ka ʻoihana. Ma muli o ka ʻokoʻa o ka paona molekala a me ka hāʻawi ʻana, ka degere lālā, ka degere chlorination ma hope o ka chlorination, ka hāʻawi ʻana i ka chlorine atom a me ke koena crystallinity oHeluhelu hou aku…
Ke Kino A me Ke Kinomia o ka Polyethylene Resin
Ke Kino A me ke Kinomia o ka Polyethylene Resin Nā waiwai kemika He paʻa kemika maikaʻi ka polyethylene a kū'ē i ka dilute nitric acid, dilute sulfuric acid a me nā mea e hoʻonui ai i ka waika hydrochloric, hydrofluoric acid, phosphoric acid, formic acid, acetic acid, ammonia water, amines, hydrogen. peroxide, sodium hydroxide, potassium hydroxide, etc. solution. Akā, ʻaʻole ia e kūpaʻa i ka corrosion oxidative ikaika, e like me ka fuming sulfuric acid, concentrated nitric acid, chromic acid a me ka hui ʻana o ka sulfuric acid. Ma ka lumi wela, e lohi nā solvents i ʻōlelo ʻia ma lunaHeluhelu hou aku…
He aha ke General Nā waiwai o ka Polyethylene Resin
'ōeweral Nā waiwai o ka Polyethylene Resin ʻO ka polyethylene resin he meaʻawaʻawaʻole,ʻeleʻele keʻokeʻo keʻokeʻo aiʻole granule, milky keʻokeʻo i ka nānāʻana, me ka manaʻo like me ka wax, a me ka haʻahaʻa o ka wai, emi iho ma mua o 0.01%. ʻO ke kiʻiʻoniʻoni polyethylene he akaka a emi iho me ka piʻi ʻana o ka crystallinity. ʻO ke kiʻi polyethylene he haʻahaʻa haʻahaʻa ka wai akā ke kiʻekiʻe o ka ea permeability, ʻaʻole kūpono no ka hoʻopili mālama hou akā kūpono no ka pale ʻana i ka wai. Hiki ke ahi, me ka helu o ka oxygen he 17.4, haʻahaʻa ka uahi i ka wā e puhi ana, kahi liʻiliʻi oHeluhelu hou aku…
Hoʻokaʻawale ʻana o ka Polyethylene
Hoʻokaʻawale ʻia ka polyethylene Polyethylene i ka polyethylene kiʻekiʻe kiʻekiʻe (HDPE), ka polyethylene haʻahaʻa haʻahaʻa (LDPE) a me ka linear low density polyethylene (LLDPE) e like me ke ʻano polymerization, ke kaumaha molekala a me ke kaulahao. Nā Waiwai LDPE: ʻono ʻole, ʻala ʻole, ʻaʻohe mea ʻawaʻawa, ʻili ʻeleʻele, nā ʻāpana waxy keʻokeʻo keʻokeʻo milky, ʻano nui e pili ana i 0.920 g/cm3, wahi hoʻoheheʻe 130 ℃ ~ 145 ℃. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i loko o nā hydrocarbons, a pēlā aku. Hiki iā ia ke pale i ka hoʻoheheʻe ʻana o ka hapa nui o nā waikawa a me nā alkalis, haʻahaʻa haʻahaʻa o ka wai, hiki ke mālama i ka maʻalahi i nā haʻahaʻa haʻahaʻa, a loaʻa.Heluhelu hou aku…
Hoʻopuka pōkole o ka Polyethylene Resin
ʻO ka wehewehe pōkole o ka Polyethylene Resin Polyethylene (PE) he resin thermoplastic i loaʻa ma ka polymerizing ethylene. Ma ka ʻoihana, ua hoʻokomo pū ʻia nā copolymers o ka ethylene me ka liʻiliʻi o nā alpha-olefins. ʻO ka polyethylene resin he meaʻalaʻole,ʻaʻohe meaʻawaʻawa, manaʻo e like me ka wax, he kūlana haʻahaʻa haʻahaʻa maikaʻi loa (hiki ke piʻi ka mahana hana liʻiliʻi -100 ~ -70 ° C), paʻa kemika maikaʻi, a hiki ke kū'ē i ka nui o ka waikawa a me ka alkali erosion (ʻaʻole kū i ka oxidation. ʻakika kūlohelohe). ʻAʻole hiki ke hoʻoheheʻe ʻia i nā solvents maʻamau i ka lumi wela, me ka haʻahaʻa haʻahaʻa o ka wai a me ka uila maikaʻi loaHeluhelu hou aku…