ʻatikala ʻepekema kaulana: Introduction to the basics of plastics.

ʻatikala ʻepekema kaulana: Introduction to the basics of plastics.

ʻO ka Resin ka mea nui e pili ana i kahi pūhui mea ola i paʻa, semi-solid a i ʻole pseudo-solid i ka lumi wela, a maʻamau he ʻano palupalu a hoʻoheheʻe ʻia ma hope o ka wela ʻana.Ke hoʻopalupalu ʻia, hoʻopilikia ʻia e nā mana o waho a maʻa mau ke kahe.Ma kahi manaʻo ākea, ma hea e hiki ai i nā polymers e like me ka plastic matrix ke lilo i resins.

ʻO ka plastik e pili ana i kahi mea polymer organik i hana ʻia e ka hana ʻana a me ka hana ʻana me ka resin ma ke ʻano he mea nui, e hoʻohui ana i kekahi mau mea hoʻohui a i ʻole nā ​​​​mea kōkua.

ʻO nā ʻano plastik maʻamau:

ʻO nā mea plastik maʻamau: polyethylene, polyvinyl chloride, polystyrene, polymethylmethacrylate.

ʻO nā plastic engineering maʻamau: polyester amine, polycarbonate, polyoxymethylene, polyethylene terephthalate, polybutylene terephthalate, polyphenylene ether a i ʻole polyphenylene ether i hoʻololi ʻia, etc.

ʻO nā mea ʻenekinia kūikawā: polytetrafluoroethylene, polyphenylene sulfide, polyimide, polysulfone, polyketone a me ka polymer kristal wai.

ʻO nā plastik hana: nā plastic conductive, nā plastic piezoelectric, nā plastic plastic, nā fiber optical plastic a me nā plastic plastic, etc.

ʻO nā plastic thermosetting maʻamau: phenolic resin, epoxy resin, unsaturated polyester, polyurethane, silicone a me amino plastic, etc.

Nā puna ʻili, ʻO kekahi o kā mākou huahana plastik nui, ua hana ʻia mai ka meaʻai-grade PP maka.ʻO ia hoʻinā ʻili iʻa, lāʻau hāhā ihu, nā lako lāʻau lapaʻau a hale hana a i ʻole nā ​​lako kīhini hale, he mau meaʻai pū kekahi.

Nā wahi hoʻohana palaki:

1. Mea hoʻopili.ʻO ka hoʻohana ʻana i nā plastics ka mea hoʻohana nui loa, ʻoi aku ma mua o 20% o ka huina.Hoʻokaʻawale ʻia nā huahana nui i:

(1) Nā huahana kiʻiʻoniʻoni, e like me ke kiʻi ʻoniʻoni māmā a me ke kaumaha, ke kiʻi pale, ke kiʻi ʻoniʻoni wela, ke kiʻi paʻa ponoʻī, ke kiʻi anti-rust, ke kiʻiʻoniʻoni waimaka, ke kiʻi cushion air, etc.

(2) ʻO nā huahana ʻōmole, e like me nā hue ʻeke meaʻai (ʻaila, pia, soda, waina keʻokeʻo, vīneka, soy sauce, etc.), nā ʻōmole hoʻonaninani, nā hue lāʻau lapaʻau a me nā ʻōmole reagent kemika.

(3) Nā huahana pahu, e like me nā pahu meaʻai, nā lako, nā mea hana lima, nā lako moʻomeheu a me nā lako hoʻonaʻauao, etc.

(4) Nā huahana kīʻaha, e like me nā kīʻaha inu wai, nā kīʻaha waiu, nā kīʻaha yogurt, etc.

(5) Nā huahana pahu, e like me nā pahu pia, nā pahu soda, nā pahu meaʻai

(6) ʻeke huahana, e like me nā ʻeke lima a me nā ʻeke i ulana ʻia

2. Nā mea e pono ai i kēlā me kēia lā

(1) Nā huahana like ʻole, e like me nā kīʻaha, nā pahu, nā pahu, nā hīnaʻi, nā papa, nā noho, etc.

(2) Nā ʻatikala moʻomeheu a me nā haʻuki, e like me nā peni, nā aliʻi, badminton, papa tennis, etc.

(3) Nā meaʻai lole, e like me nā kapuaʻi kāmaʻa, ka ʻili hana, ka ʻili synthetic, nā pihi, nā hairpins, etc.

(4) Nā lako kīhini, e like me nā puna, nā papa ʻoki, nā ʻoki, a pēlā aku.

ʻO ia no kēia lā, a ʻike hou aku.


Ka manawa hoʻouna: Jan-05-2021