tag: Polyethylene Resin

I-Polyethylene powder yinto ebaluleke kakhulu yokwenziwa, eyikhompawundi yepolymer eyenziwe kwi-ethylene monomer kwaye isetyenziswa ngokubanzi ekwenzeni iimveliso zeplastiki, iifayili, izikhongozeli, imibhobho, iingcingo, iintambo kunye nezinye iindawo. Ngokungeniswa ngokuqhubekayo kwezinto ezintsha kunye nobuchwepheshe obutsha, ukusetyenziswa kwepowlethylene powder kwanda. Iindlela zophuhliso kwixesha elizayo ziya kuba ngolu hlobo lulandelayo: 1. Umzila wohlaza kunye nokhuseleko lokusingqongileyo: Ngokunyuka kolwazi ngokhuseleko lwendalo esingqongileyo, indlela yophuhliso lohlaza nokusingqongileyo.Funda ngokugqithisileyo …

Ukuqaliswa kwekhowudi ye-HS ye-polyethylene powder yokugqoka i-HS CODE sisishunqulelo se-"Harmonized Commodity Description and Coding System". I-Harmonization System Code (HS-Code) yenziwe yi-International Customs Council kunye negama lesiNgesi yi-Harmonization System Code (HS-Code). Izinto ezisisiseko zokungena kunye nolawulo lokuphuma kwee-arhente zamazwe ngamazwe ukuqinisekisa iindidi zempahla yorhwebo, ukulawula ukuhlelwa kweemveliso, ukuphonononga imigangatho yoluhlu lweerhafu, kunye nokuhlola iimpawu zomgangatho wempahla zorhwebo zizatifikethi zesazisi eziqhelekileyo zokungeniswa kwamanye amazwe.Funda ngokugqithisileyo …

Inombolo ye-CN yomgubo we-polyethylene: 3901 Iipolymers ze-ethylene, kwiifom eziphambili: 3901.10 I-Polyethylene enobunzima obuthile obungaphantsi kwe-0,94: -3901.10.10 I-polyethylene ye-Linear -3901.10.90 Enye i-3901.20. okanye ngaphezulu: —-0,94 Polyethylene kwenye yeefom ezikhankanywe kwinqaku 3901.20.10(b) kwesi sahluko, womxhuzulane othile we-6 okanye ngaphezulu kwi-0,958 °C, equlathe: 23 mg/kg okanye ngaphantsi kwe-aluminium, 50 mg / kg okanye ngaphantsi kwe-calcium, 2 mg / kg okanyeFunda ngokugqithisileyo …

Ipeyinti yePolyethylene, ekwabizwa ngokuba ziingubo zeplastiki, ziingubo ezifakwa kwizinto zeplastiki. Kwiminyaka yakutshanje, iingubo zeplastiki zisetyenziswe ngokubanzi kwifowuni ephathwayo, iTV, ikhomputha, imoto, izixhobo zesithuthuthu kunye namanye amasimi, anjengendawo yangaphandle yemoto kunye nangaphakathi. Amacandelo, iingubo zeplastiki zikwasetyenziswa ngokubanzi kwimidlalo kunye nezixhobo zokuzonwabisa, ukupakishwa kwezinto zokuthambisa, kunye nezinto zokudlala. I-Thermoplastic acrylate resin coatings, i-thermosetting acrylate-polyurethane resin modified coatings, i-chlorinated polyolefin yokuguqulwa kwengubo, i-polyurethane eguquliweyo kunye nezinye iintlobo, phakathi kwazo iingubo ze-acrylic.Funda ngokugqithisileyo …

I-polyethylene ephezulu (HDPE), ipowder emhlophe okanye imveliso yegranular. I-non-toxic, i-tasteless, i-crystallinity ye-80% ukuya kwi-90%, i-softening point ye-125 ukuya kwi-135 ° C, sebenzisa ubushushu ukuya kwi-100 ° C; ubunzima, amandla okuqina kunye ne-ductility kungcono kune-polyethylene ephantsi yoxinaniso; Ukumelana nokunxiba, umbane Ugqunywe kakuhle, ukuqina kunye nokumelana nokubanda; Uzinzo oluhle lweekhemikhali, olungenakunyibilika kuyo nayiphi na i-solvent ye-organic kwiqondo lokushisa, ukuxhatshazwa kwe-corrosion ye-asidi, i-alkali kunye neetyuwa ezahlukeneyo; ifilimu encinci ukufikeleleka kumphunga wamanzi kunye nomoya, ukufunxa kwamanzi okuphantsi; ukunganyangeki ukwaluphala,Funda ngokugqithisileyo …

Inkqubo yokuvelisa i-polyethylene inokwahlulwa ibe: Indlela yoxinzelelo oluphezulu, indlela yoxinzelelo oluphezulu isetyenziselwa ukuvelisa i-polyethylene ephantsi. Uxinzelelo oluphakathi Indlela yoxinzelelo oluphantsi. Ngokubhekiselele kwindlela yoxinzelelo oluphantsi, kukho indlela ye-slurry, indlela yesisombululo kunye nendlela yesigaba segesi. Indlela yoxinzelelo oluphezulu isetyenziselwa ukuvelisa i-polyethylene ephantsi. Le ndlela yaphuhliswa kwangoko. I-polyethylene eveliswa yile ndlela yenza malunga ne-2/3 yemveliso epheleleyo ye-polyethylene, kodwaFunda ngokugqithisileyo …

Yintoni iPolyethylene eGuquliweyo? Iindidi ezilungisiweyo ze-polyethylene ikakhulu ziquka i-polyethylene e-chlorine, i-chlorosulfonated polyethylene, i-polyethylene edibeneyo kunye neentlobo eziguquliweyo ezixutywe. I-Chlorinated Polyethylene: I-chloride engacwangciswanga efunyenwe ngokutshintsha ngokuyinxenye iiathom ze-hydrogen kwi-polyethylene nge-chlorine. I-Chlorination iqhutyelwa phantsi kokuqaliswa kokukhanya okanye i-peroxide, kwaye iveliswa ngokuyinhloko yindlela yokumiswa kwamanzi kumashishini. Ngenxa yomahluko kubunzima bemolekyuli kunye nokusabalalisa, idigri ye-branching, idigri ye-chlorination emva kwe-chlorination, ukuhanjiswa kwe-athomu yeklorini kunye ne-crystallinity eseleyoFunda ngokugqithisileyo …

IiPropathi zePhysical kunye nezeMichiza yePolyethylene Resin Chemical Properties I-Polyethylene inozinzo olululo lweekhemikhali kwaye iyaxhathisa ukungxenga i-nitric acid, i-dilute sulfuric acid kunye naluphi na uxinaniso lwe-hydrochloric acid, i-hydrofluoric acid, i-phosphoric acid, i-asidi ye-fomic, i-acetic acid, amanzi e-ammonia, i-amines, i-hydrogen. i-peroxide, i-sodium hydroxide, i-potassium hydroxide, njl. Kodwa ayixhathisi kwi-corrosion eyomeleleyo ye-oxidative, efana ne-fuming sulfuric acid, i-nitric acid egxininisiweyo, i-chromic acid kunye nomxube we-sulfuric acid. Kwiqondo lobushushu begumbi, i-solvents ekhankanywe ngasentla iya kuhamba kancinciFunda ngokugqithisileyo …

General Iipropathi zePolyethylene Resin Polyethylene resin ayiyotyhefu, umgubo omhlophe ongenavumba okanye igranule, umhlophe omhlophe ngenkangeleko, unemvakalelo efana newax, kunye nokufunxa kwamanzi aphantsi, ngaphantsi kwe-0.01%. Ifilimu ye-polyethylene ibonakala kwaye iyancipha ngokunyuka kwe-crystallinity. Ifilimu ye-polyethylene ine-permeability yamanzi ephantsi kodwa i-air permeability ephezulu, engafanelanga ukupakishwa okutsha kodwa ilungele ukupakishwa kobumanzi. Inokutsha, kunye nesalathisi se-oksijeni ye-17.4, umsi ophantsi xa utshisa, inani elincinciFunda ngokugqithisileyo …

Ukwahlula kwe-polyethylene I-Polyethylene ihlukaniswe kwi-polyethylene ephezulu (i-HDPE), i-polyethylene ephantsi (i-LDPE) kunye ne-linear low density polyethylene (LLDPE) ngokwendlela ye-polymerization, ubunzima be-molecular kunye nesakhiwo sekhonkco. Iimpawu ze-LDPE: azinancasa, azinavumba, azinatyhefu, umphezulu ongeyotyhefu, amasuntswana e-waxy angathi lubisi, ukuxinana malunga ne-0.920 g/cm3, indawo yokunyibilika yi-130℃～145℃. Ayinyibiliki emanzini, ayinyibiliki kancinane kwiihydrocarbons, njl. njl. Iyakwazi ukumelana nokhukuliseko lweeasidi ezininzi kunye neealkali, inokufunxeka kwamanzi aphantsi, isenakho ukugcina ukuguquguquka kumaqondo obushushu aphantsi, kwaye inokumelana nokhukuliseko lweeasidi ezininzi kunye neealkali.Funda ngokugqithisileyo …

Intshayelelo emfutshane yePolyethylene Resin Polyethylene (PE) yintlaka ye-thermoplastic efunyenwe nge-polymerizing ethylene. Kwishishini, ii-copolymers ze-ethylene ezinexabiso elincinci le-alpha-olefins nazo zibandakanyiwe. Intlaka yepolyethylene ayinavumba, ayinatyhefu, ivakala ngathi ngumthwebeba, inokumelana nobushushu obuphantsi kakhulu (ubuncinci bobushushu bokusebenza bunokufikelela ku-100~-70°C), uzinzo olululo lwekhemikhali, kwaye inokumelana nokhukuliseko lweasidi kunye nealkali (ayikwazi ukumelana ne-oxidation). iasidi yendalo). Ayinyibiliki kwizinyibilikisi eziqhelekileyo kubushushu begumbi, ngokufunxa amanzi aphantsi kunye nombane obalaseleyoFunda ngokugqithisileyo …