Polyurethane ya Thermoplastic (TPU) ni ubwoko bwihariye bwa pulasitiki bukorwa iyo habayeho polyaddition reaction hagati ya diisocyanate na diol imwe cyangwa nyinshi. Yatangiye gukorwa mu 1937, iyi polymer ifite ubushobozi bworoshye kandi ishobora gutunganywa iyo ishyushye, ikomeye iyo ikonje kandi ishobora kongera gutunganywa inshuro nyinshi idatakaje ubuziranenge bw'imiterere. Ikoreshwa nka pulasitiki ikoreshwa mu buhanga cyangwa nk'iyisimbura plaster ikomeye, TPU izwiho ibintu byinshi birimo: uburebure bwinshi n'imbaraga zo gukurura; ubwiyongere bwayo; kandi ku rugero rutandukanye, ubushobozi bwayo bwo kurwanya amavuta, amavuta, imiti ihumanya, imiti n'ibinyabutabire. Ibi bintu bituma TPU ikunzwe cyane mu masoko atandukanye no mu bikorwa bitandukanye. Kubera ko yoroshye, ishobora gukurwamo cyangwa igashyirwa mu bikoresho bisanzwe bikoreshwa mu gukora thermoplastic kugira ngo hakorwe ibice bikomeye bisanzwe bikoreshwa mu nkweto, insinga n'insinga, imiyoboro n'imashini, filime n'impapuro cyangwa ibindi bicuruzwa by'inganda. Ishobora kandi guhuzwa kugira ngo ikore plastic moldings zikomeye cyangwa igatunganywa hakoreshejwe organic solvents kugira ngo ikore laminated texture texture, laminated coating cyangwa functional adhesive.
Igitambaro cya TPU kidapfa amazi ni iki?
Umutambara wa TPU udapfa amazi ni membrane ifite urwego rubiri kandi ifite imiterere myinshi itunganya TPU.
Harimo imbaraga nyinshi zo gushwanyagurika, amazi adapfa, kandi amazi adapfa. Byagenewe uburyo bwo gushwanyagurika ku mwenda. Bizwiho imiterere yabyo, bisohora firime nziza cyane, zizewe cyane zo mu bwoko bwa thermoplastic polyurethane (TPU) na copolyester zihumeka zidapfa mu nganda. Filime n'impapuro zishingiye kuri TPU zikoreshwa mu guhambira imyenda, kuyirinda amazi, no kuyibika mu mwuka cyangwa amazi. Filime n'impapuro za TPU zoroshye cyane kandi ziroroshye kuzihisha mu mwenda. Abashushanya bashobora gukora imvange y'imyenda ihendutse kandi idapfa guhumeka mu firime imwe. Ibikoresho bitanga uburyo bwo guhumeka bwiza kugira ngo umuntu aruhuke. Filime n'impapuro birinda imyenda byongera ububobere, ubusembwa, no kudakoresha imiti mu myenda ifatanye.
Igihe cyo kohereza: Gicurasi-06-2024