ʻO PBT ka pōkole o Polybutylene terephthalate. Ua hoʻokaʻawale ʻia ia i loko o ka moʻo polyester. Ua haku ʻia ia me 1.4-Butylene glycol a me ka terephthalic acid (TPA) a i ʻole terephthalate (DMT). He resin polyester thermoplastic crystalline translucent a opaque, i hana ʻia ma o ke kaʻina hana hui. Me PET, ua kapa ʻia ʻo ia he thermoplastic polyester, a i ʻole saturated polyester.
Nā Hiʻohiʻona o nā Plastics PBT
1. He maikaʻi loa ka maʻalahi o ka palaki PBT a he kūpaʻa loa hoʻi i ka hāʻule ʻana, a he ikaika kona kūpaʻa palupalu.
2. ʻAʻole like ka PBT me ka lapalapa ʻana o nā plastik maʻamau. Eia kekahi, ʻoi aku ka kiʻekiʻe o kāna hana hoʻopau ponoʻī a me nā waiwai uila i loko o kēia plastik thermoplastic, no laila he pipiʻi ke kumukūʻai ma waena o nā plastik.
3. Haʻahaʻa loa ka hana omo wai o PBT. Hiki ke hoʻololi maʻalahi ʻia nā plastik maʻamau i ka wai me ka mahana kiʻekiʻe. ʻAʻohe pilikia o PBT. Hiki ke hoʻohana ʻia no ka manawa lōʻihi a mālama i ka hana maikaʻi loa.
4. He laumania loa ka ʻili o PBT a he liʻiliʻi ke koina friction, ʻo ia hoʻi ka mea e maʻalahi ai ka hoʻohana ʻana. No ka mea hoʻi he liʻiliʻi kona koina friction, no laila hoʻohana pinepine ʻia i nā manawa i nui ai ka pohō friction.
5. He paʻa loa ka palaki PBT inā e hana ʻia, a ʻoi aku ka pololei o ke ana, no laila he mea palaki kiʻekiʻe loa ia. ʻOiai i loko o nā kemika lōʻihi, hiki iā ia ke mālama pono i kona kūlana mua, koe wale nō kekahi mau mea e like me nā waikawa ikaika a me nā kumu ikaika.
6. He nui nā plastik i hoʻoikaika ʻia ke ʻano, akā ʻaʻole nā mea PBT. He maikaʻi loa kona mau ʻano kahe, a e ʻoi aku ka maikaʻi o kāna mau ʻano hana ma hope o ke kālai ʻia ʻana. Ma muli o ka hoʻohana ʻana i ka ʻenehana fusion polymer, ua hoʻokō ia i kekahi mau ʻano alloy e pono ai ka polymer.
Nā hoʻohana nui o PBT
1. Ma muli o kona mau waiwai kino a me ke kemika maikaʻi, hoʻohana pinepine ʻia ʻo PBT ma ke ʻano he mea extrusion no ka uhi lua o nā fiber optical i loko o ke kaula fiber optical waho.
2. Nā noi uila a me nā noi uila: nā mea hoʻohui, nā ʻāpana kuapo, nā mīkini hale a i ʻole nā mea pono (pale wela, pale lapalapa, pale uila, hoʻoheheʻe maʻalahi a me ka hana ʻana).
3. Nā kahua noi o nā ʻāpana kaʻa: nā ʻāpana kūloko e like me nā pale wiper, nā valves ʻōnaehana hoʻokele, a pēlā aku; nā ʻāpana uila a me nā ʻāpana uila e like me nā paipu wili ʻōwili kaʻa a me nā mea hoʻohui uila e pili ana.
4. Nā kahua noi lako mīkini laulā: uhi kamepiula, uhi kukui mercury, uhi hao uila, nā ʻāpana mīkini bakena a me ka nui o nā kia, nā cams, nā pihi, nā pūpū uaki uila, nā wili uila a me nā pūpū mechanical ʻē aʻe.
Ka manawa hoʻouna: Dec-07-2022