Babban ƙa'idar zaɓar kayan TPU don aiki mai girmaPPFshine a zaɓi Aliphatic TPU. Yana ƙayyade juriyar fim ɗin, juriya, da kuma aikin gaba ɗaya - wannan shine babban bambanci daga TPU mai ƙanshi.
Aliphatic vs. Ƙamshi: "Dokar Zinare" ta Zaɓin Kayan Aiki
Ka'ida ta farko ita ce: Fi son Aliphatic TPU, ku guji Aromatic TPU. Dukansu sun ƙunshi sassa masu tauri da masu laushi, amma nau'in diisocyanate a cikin ɓangaren mai tauri yana da babban bambanci gaAikace-aikacen PPF.
| Kwatanta | An Ba da Shawarar TPU ta Aliphatic | Ba a ba da shawarar TPU mai ƙamshi ba |
|---|---|---|
| Tsarin Sinadarai | Ba ya ƙunshe da zoben benzene masu sauƙin oxidized; yana da karko a sinadarai. | Ya ƙunshi zoben benzene waɗanda ke da sauƙin oxidize a ƙarƙashin hasken UV. |
| Juriyar Rawaya | Madalla. > sau 5 ya fi ƙamshi; ƙarancin ΔYI bayan awanni 3000 na fallasa UV. | Ba shi da kyau sosai. Rage rawaya cikin sauri a ƙarƙashin UV, sau da yawa yana bayyana rawaya a cikin watanni 6-12. |
| Juriyar Yanayi | Mafi kyau. Tsayayya ga UV na dogon lokaci, zafi mai yawa, da danshi. | Matalauci. Mai saurin tsufa da kuma rashin jin daɗi a waje. |
| Babban Aikace-aikace | Manyan PPF, jiragen sama, likitanci, da sauransu. | Takalma, kayan masana'antu, fina-finan cikin gida inda yanayin yanayi ba shi da mahimmanci. |
| farashi | Mafi girma. 30-50% ya fi tsada fiye da ƙamshi. | Ƙasa. |
A taƙaice: Domin tabbatar da tsabta mai ɗorewa kuma babu rawaya, dole ne ka zaɓi Aliphatic TPU.
Zaɓin Sashe Mai Laushi don AliphaticTPU: Mayar da hankali kan Polycaprolactone
A cikin TPU na aliphatic, nau'in polyol (sashi mai laushi) yana ƙara ƙayyade ƙarfin jiki da juriya.
| Nau'in TPU (Sashe Mai Laushi) | Muhimman Abubuwa & Fa'idodi | Manyan Rashin Kyau / Iyakoki | Dacewa da PPF |
|---|---|---|---|
| Polycaprolactone | Zakaran da ke da cikakken iko. Yana haɗa ƙarfi da juriyar gogewa (kamar polyester) tare da juriya mai kyau ga hydrolysis (kamar polyether). | Babban farashi; yawanci ana amfani da shi a cikin samfuran manyan kayayyaki. | (An fi so). Zaɓin fifiko ga manyan samfuran PPF, wanda ke daidaita dorewar dogon lokaci da kariyar babban mataki. |
| Polycarbonate | Kyakkyawan yanayi, ƙarfi mai kyau & juriya ga hydrolysis. | Farashi mai yawa; an iyakance shi ga aikace-aikacen musamman tare da buƙatar yanayi mai tsanani. | (Madalla). Kyakkyawan aiki, amma farashi yana iyakance amfani da shi sosai. |
| Polyeter | Yana da ƙwarewa sosai wajen jure wa ruwa. Yana kula da kaddarorinsa sosai a yanayin danshi da ruwan sama. | Ƙarfin injina mafi rauni - ɗan ƙaramin juriya ga tsagewa/huda fiye da polyester. | (Fa'idar yanayi). Ya dace da ababen hawa a yanayin danshi/danshi akai-akai. |
| Polyester | Sarkin ƙarfin jiki. Ƙarfin juriya mai kyau, juriyar gogewa, ƙarfin tsagewa. | Rashin juriya ga hydrolysis. Haɗin ester yana lalacewa a yanayin danshi, yana iya haifar da lalacewa da fashewa akan lokaci. | (Ba a ba da shawarar ba). Duk da ƙarfin farko mai yawa, rashin juriya ga hydrolysis babban lahani ne ga PPF. |
Shawarar Zaɓe:
- Mafi kyawun zaɓi: Aliphatic + Polycaprolactone TPU. An yi la'akari da "haɗin zinare" don babban matakin PPF, yana ba da mafi kyawun daidaito na kariya da dorewa na dogon lokaci.
- Mai da hankali kan muhalli: Ga ababen hawa a yankunan da ke da danshi/danshi akai-akai, polyether yana ba da juriya ga hydrolysis mai ƙarfi.
- A yi hattara: Wasu PPF masu rahusa har yanzu suna amfani da TPU mai ƙanshi + polyester. Duk da cewa suna da araha, suna da babban haɗarin yin rawaya da kuma hydrolysis - ba a ba da shawarar ba.
Lokacin Saƙo: Afrilu-15-2026