Menene banbanci tsakanin TPU da PU?

Menene banbanci tsakaninTpuda pu?

Tpu (polyurethane elastomer)

Tpu (thermoplastic polyurethane elalsthane)shine fitowar filastik na filastik. Saboda kyakkyawan aikinsa, juriya da yanayin, da kuma kayan aikin muhalli, tpu, fina-finai, rollers, da wayoyi.

Ellastthane thermoplastic olastomer, wanda kuma aka sani da thermethane roba polyurthane roba na polyurthane roba na polyurthane roba na polyurthane roba, an taƙaita shi azaman tpu, wani nau'in (AB) n-toshe polymer. A is a high molecular weight (1000-6000) polyester or polyether, and B is a diol containing 2-12 straight chain carbon atoms. Tsarin sunadarai tsakanin abbobin AB shine Diiscyanate, yawanci yana da alaƙa da MDI.

Thermethane roba polyurthane roba ya dogara da haɗin Hydrogen mai ban sha'awa ko kuma kusancin masu jan hankali, kuma waɗannan hanyoyin haɗin yanar gizo suna juyawa tare da ƙara yawan haɓaka ko rage zafin jiki. A cikin Molten ko mafita na mafita, Sojojin Tsallakewa sun raunana ko kuma sauran hanyoyin ruwa ko kuma tilasta wa sojojin masu rikitarwa mai ƙarfi suna haɗawa tare, suna dawo da kaddarorin na asali.

Polyurthane thermoplastic olastomersZa a iya rarrabewa cikin nau'ikan biyu: polyester da polyether, tare da farin ankara na yau da kullun ko barbashi barbashi da yawa na 1.10-1.25. Nau'in polyether yana da ƙananan ƙananan dangi fiye da nau'in polyester. Gilashin zazzabi na zazzabi na nau'in polyether shine 100.6-106.1 ℃, da nau'in Polyester shine 108.9-122.8 ℃. Tsarin zafin jiki na nau'in polyether da nau'in polyester na ƙasa da ƙasa -62 ℃, yayin da ƙarancin yawan zafin jiki na nau'in polyester ya fi na nau'in polyester.

Babban halaye na polyurthane thermoplaster olastomers ne mai kyau sa sa juriya, karfin zazzabi, kyakkyawan ƙarfi, kyakkyawan ƙarfi, kyakkyawan juriya, da juriya na sinadarai, da juriya na sunadarai. A cikin yanayin laima, hydrolysal mai zaman hankali na mazaje Polyether sun wuce cewa nau'ikan polyester.

Polyurethane thermoplastic olastomers marasa guba ne da ƙanshi, mai narkewa a cikin ethene, etrohydrommamide kamar, ethyl acetate, beatan, da acetone a cikin rabbai da ya dace. Sun nuna wani yanayi mai launi mara launi da bayyananne kuma suna da kwanciyar hankali mai kyau.