Tag: I-polyethylene resin

I-Polyethylene powder iyinto ebaluleke kakhulu yokwenziwa, okuyinhlanganisela ye-polymer ehlanganiswe ne-ethylene monomer futhi isetshenziswa kabanzi ekwenzeni imikhiqizo yepulasitiki, imicu, iziqukathi, amapayipi, izintambo, izintambo nezinye izinkambu. Ngokungeniswa okuqhubekayo kwezinto ezintsha kanye nobuchwepheshe obusha, ukusetshenziswa kwe-polyethylene powder nakho kuyakhula. Izindlela zentuthuko ezizayo zizoba kanje: 1. Umkhuba wokuvikela uhlaza kanye nemvelo: Ngokuqwashisa okwandayo ngokuvikelwa kwemvelo, ukuthuthukiswa kohlaza kanye nemvelo.Funda kabanzi …

Ukwethulwa kwekhodi ye-HS ye-polyethylene powder coating HS CODE isifinyezo se-“Harmonized Commodity Description kanye ne-Coding System”. I-Harmonization System Code (HS-Code) yakhiwe yi-International Customs Council kanye negama lesiNgisi elithi The Harmonization System Code (HS-Code). Izakhi eziyisisekelo zama-ejensi wokuphatha amasiko nezimpahla eziphumayo emazweni ahlukahlukene ukuze aqinisekise izigaba zempahla, ukuphatha ukuhlukaniswa kwempahla, ukubukezwa kwamazinga entela, nokuhlola izinkomba zekhwalithi yempahla yizitifiketi ezijwayelekile zomazisi zokungeniswa kwamanye amazwe.Funda kabanzi …

Inombolo ye-CN ye-polyethylene powder: 3901 Ama-Polymers e-ethylene, ngamafomu ayinhloko: 3901.10 I-Polyethylene ene-gravity ethize engaphansi kuka-0,94: -3901.10.10 I-Polyethylene ewumugqa -3901.10.90 Okunye 3901.20. noma ngaphezulu: —-0,94 I-polyethylene kwelinye lamafomu ashiwo kunothi 3901.20.10(b) kulesi sahluko, amandla adonsela phansi athile angu-6 noma ngaphezulu ku-0,958 °C, aqukethe: 23 mg/kg noma ngaphansi kwe-aluminium, 50 mg/kg noma ngaphansi kwe-calcium, 2 mg/kg nomaFunda kabanzi …

I-Polyethylene Paint, eyaziwa nangokuthi i-plastic coatings, i-coatings esetshenziswa ezintweni zepulasitiki. Eminyakeni yamuva nje, ukumbozwa kwepulasitiki kusetshenziswe kabanzi kumakhalekhukhwini, i-TV, ikhompuyutha, imoto, izesekeli zezithuthuthu kanye neminye imikhakha, njengezingxenye zangaphandle zezimoto nezingxenye zangaphakathi. Izingxenye, okokugqoka kwepulasitiki nakho kusetshenziselwa kakhulu kwezemidlalo nemishini yokungcebeleka, ukupakishwa kwezimonyo, namathoyizi. I-Thermoplastic acrylate resin coatings, i-thermosetting acrylate-polyurethane resin modified coatings, i-chlorinated polyolefin eguquliwe, i-polyurethane eguquliwe nezinye izinhlobo, phakathi kwazo okuhlanganisa i-acrylic.Funda kabanzi …

High density polyethylene (HDPE), powder emhlophe noma umkhiqizo granular. Okungenabuthi, okunganambitheki, okucwebezelayo okungama-80% kuya ku-90%, indawo yokuthambisa engu-125 kuya ku-135°C, sebenzisa izinga lokushisa elifika ku-100°C; ubulukhuni, amandla okuqina kanye ne-ductility kungcono kune-polyethylene ephansi; ukumelana nokugqoka, ugesi Ukufakwa kahle, ukuqina kanye nokumelana nokubanda; ukuzinza okuhle kwamakhemikhali, okungancibiliki kunoma iyiphi i-solvent ephilayo ekamelweni lokushisa, ukumelana nokugqwala kwe-asidi, i-alkali nosawoti ohlukahlukene; ifilimu elincanyana permeability kumhwamuko wamanzi nomoya, ukumuncwa amanzi Low; ukumelana nokuguga okubi,Funda kabanzi …

Inqubo yokukhiqiza i-polyethylene ingahlukaniswa ibe: Indlela yokucindezela okuphezulu, indlela yokucindezela okuphezulu isetshenziselwa ukukhiqiza i-polyethylene ephansi. Ingcindezi emaphakathi Indlela yokucindezela okuphansi. Ngokuqondene nendlela yokucindezela okuphansi, kukhona indlela ye-slurry, indlela yesisombululo kanye nendlela yesigaba segesi. Indlela yokucindezela okuphezulu isetshenziselwa ukukhiqiza i-polyethylene ephansi. Le ndlela yasungulwa kusenesikhathi. I-polyethylene ekhiqizwa yile ndlela yenza cishe u-2/3 wesamba se-polyethylene, kodwaFunda kabanzi …

Iyini i-Modified Polyethylene? Izinhlobo eziguquliwe ze-polyethylene ikakhulukazi zifaka i-polyethylene e-chlorine, i-chlorosulfonated polyethylene, i-polyethylene exhumene ne-cross-linked nezinhlobonhlobo eziguquliwe. I-Chlorinated Polyethylene: I-chloride engahleliwe etholwe ngokufaka ingxenye yama-athomu e-hydrogen ku-polyethylene nge-chlorine. I-Chlorination yenziwa ngaphansi kokuqalwa kokukhanya noma i-peroxide, futhi ikhiqizwa ikakhulukazi indlela yokumisa amanzi embonini. Ngenxa yomehluko esisindweni samangqamuzana nokusatshalaliswa, i-branching degree, i-chlorination degree ngemva kokucwenga, ukusatshalaliswa kwe-athomu ye-chlorine kanye ne-crystallinity eyinsalelaFunda kabanzi …

Izakhiwo Ze-Physical And Chemical of Polyethylene Resin Chemical Properties I-Polyethylene inokusimama okuhle kwamakhemikhali futhi imelana nokuhlanjululwa kwe-nitric acid, i-dilute sulfuric acid kanye nanoma yikuphi ukugcwala kwe-hydrochloric acid, i-hydrofluoric acid, i-phosphoric acid, i-formic acid, i-acetic acid, amanzi ammonia, ama-amine, i-hydrogen. i-peroxide, i-sodium hydroxide, i-potassium hydroxide, njll. Kodwa ayimelani nokugqwala okuqinile kwe-oxidative, njenge-fuming sulfuric acid, i-nitric acid egxilile, i-chromic acid nengxube ye-sulfuric acid. Ezingeni lokushisa legumbi, izincibilikisi ezibalwe ngenhla zizohamba kancaneFunda kabanzi …

General Izakhiwo ze-Polyethylene Resin Polyethylene resin iyimpushana emhlophe engenabuthi, engenaphunga noma i-granule, emhlophe njenge-milky, enomuzwa ofana nengcina, nokumuncwa kwamanzi aphansi, ngaphansi kuka-0.01%. Ifilimu ye-polyethylene isobala futhi iyancipha ngokukhula kwecrystallinity. Ifilimu ye-polyethylene inokungena kwamanzi okuphansi kodwa amandla omoya aphezulu, angafaneleki ukupakishwa okugcinwa kabusha kodwa afanele ukupakishwa kobufakazi bomswakama. Iyavutha, enenkomba ye-oxygen engu-17.4, intuthu ephansi lapho ivutha, inani elincaneFunda kabanzi …

Ukuhlukaniswa kwe-polyethylene Polyethylene ihlukaniswe nge-polyethylene ephezulu (i-HDPE), i-polyethylene ephansi (i-LDPE) kanye ne-linear low density polyethylene (LLDPE) ngokusho kwendlela ye-polymerization, isisindo samangqamuzana kanye nesakhiwo seketanga. Izakhiwo ze-LDPE: ayinambitheki, ayinaphunga, ayinabo ubuthi, indawo engacacile, izinhlayiya ze-waxy ezimhlophe ezimhlophe, ukuminyana cishe ngu-0.920 g/cm3, indawo encibilikayo 130℃～145℃. Ayincibiliki emanzini, incibilika kancane kuma-hydrocarbons, njll. Ingakwazi ukumelana nokuguguleka kwama-asidi amaningi nama-alkali, imunca amanzi aphansi, isengagcina ukuguquguquka emazingeni okushisa aphansi, futhi ineFunda kabanzi …

Isingeniso Esifushane Se-Polyethylene Resin Polyethylene (PE) iyinhlaka ye-thermoplastic etholakala nge-polymerizing ethylene. Embonini, ama-copolymers e-ethylene anenani elincane lama-alpha-olefin nawo afakiwe. I-polyethylene resin ayinaphunga, ayinabo ubuthi, izwakala njengengcina, inokumelana nezinga lokushisa eliphansi kakhulu (ukushisa okuphansi kokusebenza kungafinyelela -100~-70°C), ukusimama okuhle kwamakhemikhali, futhi ingamelana nokuguguleka kwe-asidi ne-alkali (okungamelani ne-oxidation). i-asidi yemvelo). Ayincibiliki ezincibilikisini ezivamile ekamelweni lokushisa, nokumunca amanzi aphansi kanye nogesi omuhle kakhuluFunda kabanzi …