Shanghai Huayingtong E-commerce Co., Ltd. is one of the leading Pure Terephthalic Acid (PTA) suppliers in China and a professional Pure Terephthalic Acid (PTA) manufacturer. Welcome to purchasePure Terephthalic Acid (PTA) from our factory.pls contact tom :service@skychemwin.com
Lebitso la Sehlahiswa:Asiti ea terephthalic
Sebopeho sa molek'hule:C8H6O4
Nomoro ea CAS:100-21-0
Sebopeho sa limolek'hule tsa sehlahisoa:
Asiti ea terephthalic ha e qhibilihe hantle metsing le lino tse tahang, ka lebaka leo ho fihlela hoo e ka bang ka 1970 asiti e tala ea terephthalic e fetotsoe ho dimethyl ester bakeng sa tlhoekiso. E fokotseha ha e futhumala.
phofo e tšoeu
Terephthalic acid (TPA) ke lik'hemik'hale tse nang le lithane tse phahameng, tse sebelisoang haholo ha ho etsoa lihlahisoa tsa maiketsetso, haholo-holo likhoele tsa polyester (poly-(ethylene terephthalate)).
Asiti ea terephthalic ke benzenepolycarboxylic acid e nang le matla a ho thibela mali.
1,4-benzenedicarboxylic acid e sebelisoa haholo-holo bakeng sa tlhahiso ea poly (ethylene terephthalate). Hape tlhahiso ea polasetiki ea dioctyl phthalate (DOTP) le lisebelisoa tsa polasetiki tsa polyester. 1,4-benzenedicarboxylic acid le polyhydric alcohols li na le condensation reaction withd iethylene glycol, triethylene glycol, glycerol, propylene glycol, butylene glycol, joalo-joalo ho hlophisoa ha polasetiki ea polyester.
Chemwin e ka fana ka mefuta e mengata ea li-hydrocarbon tse ngata le li-solvents tsa lik'hemik'hale bakeng sa bareki ba indasteri.Pele ho moo, ka kopo bala lintlha tse latelang mabapi le ho etsa khoebo le rona:
1. Tshireletso
Tšireletseho ke eona ntho e tlang pele bophelong ba rona. Ntle le ho fa bareki tlhahisoleseling mabapi le ts'ebeliso e sireletsehileng le e baballang tikoloho ea lihlahisoa tsa rona, re boetse re ikemiselitse ho netefatsa hore likotsi tsa polokeho ea basebetsi le borakonteraka li fokotsoa ho ba bonyane bo utloahalang le bo ka khonehang. Ka hona, re hloka hore moreki a etse bonnete ba hore litekanyetso tse nepahetseng tsa ho laolla le ho boloka polokeho li fihlelleha pele ho tlisoa ha rona (ka kopo sheba sehlomathiso sa HSSE ho latela maemo le maemo a kakaretso a thekiso a ka tlase). Litsebi tsa rona tsa HSSE li ka fana ka tataiso mabapi le litekanyetso tsena.
2. Mokhoa oa ho fana
Bareki ba ka odara le ho fana ka lihlahisoa ho tsoa ho chemwin, kapa ba ka fumana lihlahisoa ho tsoa femeng ea rona ea tlhahiso. Mekhoa e teng ea lipalangoang e kenyelletsa lipalangoang tsa literaka, terene kapa mefuta e mengata (maemo a arohaneng a sebetsa).
Tabeng ea litlhoko tsa bareki, re ka hlakisa litlhoko tsa likepe kapa litanka mme ra sebelisa litekanyetso tse khethehileng tsa polokeho / tlhahlobo le litlhoko.
3. Palo e fokolang ea taelo
Haeba u reka lihlahisoa sebakeng sa rona sa marang-rang, palo e tlase ea odara ke lithane tse 30.
4.Tefo
Mokhoa o tloaelehileng oa ho lefa ke ho fokotsa ka kotloloho matsatsing a 30 ho tsoa ho invoice.
5. Litokomane tsa thomello
Litokomane tse latelang li fanoe ka thomello ka 'ngoe:
· Bill of Lading, CMR Waybill kapa tokomane e 'ngoe e amehang ea lipalangoang
· Setifikeiti sa Tlhahlobo kapa Tumellano (haeba ho hlokahala)
· Litokomane tse amanang le HSSE tumellanong le melaoana
· Litokomane tsa meetlo ho latela melaoana (haeba ho hlokahala)
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