High yawa polyethylene: aikace-aikace

Low yawa polyethylene aka samar daga tsarkakakkiya ethylene, da kuma matsayin organometallic kara kuzari protrude triethylaluminum da titanium tetrachloride. Domin polyethylene a cikin gida masana'antu na amfani da dama fasaha bambance-bambancen karatu abin da ya bambanta a irin kayayyaki, da reactor iya aiki, da hanyoyin for tsaftacewa polyethylene a kan mai kara kuzari amfani.

fasahar

Mafi sau da yawa shi da za'ayi uku a jere matakai na: Polymerization ethylene, ta tsarkakewa daga mai kara kuzari da kuma karshe bushewa tsari. Bayan stirring da mafita daga triethylaluminum da titanium tetrachloride a cyclohexane suna kara da fetur. Mai tsanani har zuwa 50 C biyu-kashi bayani da aka kawota ga reactor, inda iska-daga tsarin na kara ethylene. Stirring inganta taro na ethylene zuwa polyethylene Polymerization.

Don cire kara kuzari daga cikin sakamakon polymer aka tace kashe bazuwar kayayyakin da narkar. A polyethylene yara wanke daga mai kara kuzari ta amfani da methanol.

Polyethylene na low matsa lamba bayan rinsing aka matse fita, kuma a cikinta suna kara da cewa wani abu domin inganta da inganci. Domin bayani na stabilizer amfani, ethylene glycol da sodium nitrophosphate, da kuma yin shi shinier, kakin zuma ne amfani.

A karshe, polyethylene ne hõre bushewa da kuma granulation. Polyethylene na low matsa lamba da aka samar a cikin nau'i na granules da foda.

Bututu sanya na low yawa polyethylene

Suna amfani da shigarwa na gas, lambatu da kuma ruwa tsarin.

Bututu kerarre ta ci gaba da extrusion Hanyar. Kamar yadda albarkatun kasa domin samar da polyethylene a granules protrudes.

Tattalin arziki raya ƙasashe amfani da irin wannan bututu a kusan duk tsarin.

HDPE bututu ba adversely shafi ruwa quality, saboda ciki ganuwar tsatsa ba a kafa da kuma tattara ma'adinai salts.

Low matsa lamba polyethylene ya samu aikace-aikace a cikin lambatu tsarin, tun da shi ne resistant zuwa m abubuwa da kuma high yanayin zafi.

Gas bututu an kuma ba a hallaka, kuma kada ku rasa cika Properties na dogon lokaci.

Karko - m ingancin bututu tun daga HDPE. Su buga-resistant, ba rot kuma ba tsatsa, ba crack a ƙarƙashin rinjayar high da kuma low yanayin zafi. Su sabis rayuwa shi ne da dama da suka gabata.

Polyethylene High matsa lamba gwada da taushi da kuma na roba. Kayansa ne in mun gwada sparse tsari na kwayoyin da cewa da farko rinjayar da yawa. LDPE nuna fadi da kewayon fina-finan. Bã su da wani sosai high quality, da kuma marufi abu mafi alhẽri wani zaɓi ne watakila za a samu. Yana tserar da kuma ciyar da wani sa na m Properties ko a yanayin zafi har zuwa sittin da digiri. Ingantaccen halaye na polyethylene ba su canja a ƙarƙashin rinjayar da magunguna. Shi ne iya dogara ware da samfurin daga danshi da kuma ruwa tururi.