Kenyelletso ea lihlahisoa tsa polasetiki ea lapeng

2021/01/20

Lipolasetiki ke metsoako ea polima, eo hangata e tsejoang e le li-plastiki kapa li-resin, tse ntlafatsoang ka ho kopanya kapa ho tiisa monomers e le lisebelisoa tse tala. Ba ka fetola sebopeho le sebopeho sa bona ka bolokolohi. Li entsoe ka li-resin tsa maiketsetso, li-filler, li-plasticizers, li-stabilizers, lubricants, colorants le lisebelisoa tse ling.

Polyethylene terephthalate (PET)

Metsi a liminerale ka kakaretso le libotlolo tsa seno tse entsoeng ka khabone li entsoe ka polyethylene terephthalate (PET) ka 1946, United Kingdom e phatlalalitse patent ea pele ea tokiso ea PET. Ka 1949, foromo ea Brithani ea ICI e phethile teko ea mofofisi, empa kamora hore Khampani ea United States ea DuPont e reke tokelo ea semmuso, sesebelisoa sa tlhahiso se thehiloe ka 1953, 'me tlhahiso ea pele ea liindasteri ea fumaneha lefatšeng.

Melemo:

1, oli ho hanyetsa, ho hanyetsa mafura, enic acid, hlapolla alkali ho hanyetsa, solvents tse ngata.

2, ponaletso e phahameng, khanya e fetisang e ka ba ho feta 90%, thepa e pakiloeng e na le mosebetsi o motle oa ho bonts'a.

3, e na le mocheso o motle oa ho hanyetsa mocheso, o ka mamella -30â „ƒ mocheso o tlase, molemong oa tšebeliso ea -30â„ ƒ-60â „ƒ.

4, ho kenella ha mouoane oa khase le metsi ho tlase, ka bobeli e le khanyetso e ntle ea khase, metsi, oli le ts'ebetso e ikhethang ea monko.

5, ponaletso e phahameng, e ka thibela khanya ea ultraviolet, benya bo botle.

Lintlha tsa tšebeliso:

Li-bottle tsa seno ha li khone ho sebelisoa hape ka metsi a chesang, mocheso ona o futhumala ho 70â „ƒ, mocheso o phahameng o tla qhala lintho tse kotsi, o loketse feela lino tse futhumetseng kapa lino tse hoammeng, mokelikeli o phahameng oa mocheso kapa ho futhumatsa ho bonolo ho holofala, ho na le lintho tse kotsi ho 'mele oa motho oa qhibiliha.