TshenyehoPET (polyethylene terephthalate)e senyeha haholo ka mor'a phekolo e le 'ngoe kapa ho feta. Haeba ho se na mehato e nkuoang ho lefella tšebeliso e tobileng tlhahisong, ts'ebetso ea ts'ebetso le sehlahisoa se hlahisoang li tla ameha. Thepa ea mochini e tla fokola haholo, ponahalo e mosehla, e sitoa ho fihlela litlhoko tsa ts'ebeliso, e lebisang ho senyeha ha ts'ebetso ea polyester, ho fokotsa sebopeho sa viscosity ea polyester, discoloration, keketseho ea sehlopha sa carboxyl, ha e khone ho fihlela litlhoko tsa ts'ebeliso.
Ka nako e ts'oanang, hobane mocheso oa phetoho ea khalase ea PET le ntlha ea ho qhibiliha e batla e phahame, mocheso oa hlobo o phahame, lebelo la crystallization le lieha 'me le fokotseha ka ho eketseha ha boima ba limolek'hule tsa resin, kahoo sebopeho sa kristale ha se tšoane, mokhoa oa ho bōpa o thata. , potoloho ea ho bōptjoa e telele, bokaholimo ba sehlahisoa bo thata ebile boa benya. Mefokolo ea matla a fokolang, ho ba le tšusumetso e mpe le ho monya metsi a mangata ho fokotsa ts'ebeliso ea bobeli ea PET.
Mohlala ona o sebelisa litšilaPET lintho tse bonahalangho lokisa lisebelisoa tse thata tsa PET, ka ho kenyelletsa li-additives tse entsoeng ka PET toughening, li ka lokisa thepa e ntle ea mochini, ho hanyetsa phello e ntle, ts'ebetso e ntle ea ho phutha, ho hanyetsa oli, ho hanyetsa mafura, ho hanyetsa acid le alkali le lisebelisoa tse ling tse babatsehang tsa PET toughening. Ka solvent ea manyolo, mocheso o phahameng le ho hanyetsa mocheso o tlase, o se nang chefo, o sa latsoeheng, lisebelisoa tse ntle tsa pepenene tsa PET.
Nako ea poso: Jan-06-2023