ʻEtilena Glikola Antimony

ʻEthylene Glycol Antimony / Antimony Triglycolate - Nā Waiwai Physicochemical

Ka Hoʻākāka ʻOihana no ka Ethylene Glycol Antimony

Pūʻolo: Hoʻopaʻa ʻia nā ʻeke hui alumini-plastic me ka mīkini hoʻomaʻemaʻe. He 15 a 25 kilokani paha ke kaumaha o kēlā me kēia ʻeke a ua hoʻopaʻa ʻia i loko o hoʻokahi pallet no kēlā me kēia tona.

He aha nā wahi noi a me nā hoʻohana kikoʻī o ka antimony glycol?

I. Nā Wahi Hoʻohana Nui

He mea hoʻonui polycondensation organometallic kūpono loa ka Antimony glycolate, maʻemaʻe kiʻekiʻe, i hoʻohana nui ʻia i ka ʻoihana polyester, ʻoi aku hoʻi i nā kaʻina hana polycondensation hoʻoheheʻe me ka hoʻohana ʻana i ka terephthalic acid (PTA) a me ka ethylene glycol (EG) ma ke ʻano he mea maka. Ma ke ʻano kikoʻī, uhi ia i nā ʻāpana liʻiliʻi aʻe:

1. Hana ʻana o ka resin polyester (PET)
- Nā ʻāpana polyester papa fiber (no ka polyester staple fiber a me ke filament)
- Nā ʻāpana polyester ʻano ʻōmole (no ka wai inu, nā mea inu kalapona, nā ʻōmole hoʻopiha wela, a pēlā aku)
- Nā ʻāpana polyester papa kiʻiʻoniʻoni (no nā kiʻiʻoniʻoni optical, nā kiʻiʻoniʻoni insulation uila, a me nā kiʻiʻoniʻoni hoʻopili)

2. Nā polyesters a me nā copolyesters i hoʻololi ʻia
- ʻO ka polyester haʻahaʻa o ka diethylene glycol (DEG)
- Polyester hiki ke hoʻoluʻu ʻia i ka cationic (CDP)
- ʻŌnaehana catalytic hapa o ka polybutylene terephthalate (PBT) (pono ke ʻano hana)

3. Ka Hana Hou ʻana o ka Polyester a me ke Kaʻina Hana Hoʻonui Viscosity
- Ka hoʻoheheʻe ʻana a me ka mānoanoa o nā mea PET ʻōpala (kahua hoʻomaʻamaʻa mua ʻana o SSP)
- Hoʻoikaika polycondensation kūpono loa o ka polyester recycled (r-PET)

II. Nā Hoʻohana Kūikawā a me nā Pōmaikaʻi ʻenehana

Hoʻololi ka Antimony glycolate i nā mea hoʻoulu kuʻuna (e like me ka antimony trioxide a me ka antimony acetate) i nā hopena polycondensation polyester, a ʻo kāna mau noi kikoʻī a me nā hoʻomaikaʻi hana penei:

1. ʻO ka hopena polycondensation catalytic kūpono loa, e hoʻonui ana i ka hiki ke hana.
- Nā Hoʻohana: Ma ke ʻano he mea hoʻonui nui, hoʻolalelale ia i ke kahua polycondensation ma hope o ka transesterification a i ʻole ka esterification pololei, e hoʻonui nui ana i ka helu polymerization.
- Nā hopena: Me ka nui like o ka antimony, ua pōkole ʻia ka manawa hopena e 10%–15%; a i ʻole i loko o ka manawa like, ʻoi aku ke kiʻekiʻe o ka polymerization (DP) a me ka intrinsic viscosity (IV), a ua hoʻomaikaʻi ʻia ka loaʻa ʻana o ka hakahaka o ka ʻāpana.

2. E hōʻemi i ke koena o ka antimony i loko o ka huahana i hoʻopau ʻia e hoʻokō i nā koi palekana ʻōmaʻomaʻo a me ke kaiapuni.
- Nā Hoʻohana: Ma muli o kona pono catalytic kiʻekiʻe, ʻo ka nui e pono ai e hoʻohui ʻia he 60%–70% wale nō o ka nui o nā catalysts kuʻuna (ma muli o ka element antimony).
- Nā Hualoaʻa: Hiki ke hoʻomalu paʻa ʻia ke koena o ka Sb i loko o nā ʻāpana PET ma ≤150 ppm, a hiki i kekahi mau ʻāpana ʻōmole kiʻekiʻe ke haʻahaʻa e like me ≤100 ppm, ʻoi aku ka haʻahaʻa ma mua o ka 200–250 ppm o ka ʻōnaehana antimony acetate, e hoʻokō ana i nā kapu ma ka neʻe ʻana o nā mea pili i ka meaʻai i kau ʻia e ka EU, US FDA a me nā luna ʻē aʻe.

3. Hoʻomaikaʻi i ke kala a me nā waiwai optical o nā huahana polyester
- Nā Hoʻohana: Hoʻoheheʻe loa ʻia ka Antimony glycol a hoʻopuehu like ʻia i loko o ka ʻōnaehana hopena, e pale ana i ka over-catalysis kūloko a i ʻole ka hōʻuluʻulu ʻana o ka metala.
- Nā Hualoaʻa: Ua hoʻemi ʻia ka waiwai-b (helu melemele) o nā ʻāpana PET i hana ʻia e 1-2 mau ʻāpana i hoʻohālikelike ʻia me ka ʻōnaehana antimony trioxide, ʻoiai ua hoʻomaikaʻi ʻia ka waiwai-L (ʻōlinolino), e ʻoi aku ka kūpono no ka hana ʻana i nā kiʻiʻoniʻoni optical a me nā olonā ʻālohilohi loa.

4. E hōʻemi i nā hopena ʻaoʻao a hoʻomaikaʻi i nā ʻōkuhi maikaʻi o ka huahana.
- Nā Hoʻohana: E hōʻemi i nā hopena ʻaoʻao e like me ka ethylene glycol etherification a kāohi i ka hoʻokumu ʻia ʻana o ka diethylene glycol (DEG).
- Nā hopena: Hiki ke hoʻomalu ʻia ka nui o DEG i loko o PET ma ≤0.8% (hoʻohālikelike ʻia me kahi 1.0%–1.2% i nā ʻōnaehana maʻamau), e hoʻomaikaʻi ana i ka pae hoʻoheheʻe a me ke kūpaʻa wela, a e hoʻomaikaʻi ana i ka hana milo a me ka hoʻoheheʻe ʻana i ka hana puhi.

5. E hoʻonui i ka hiki ke milo ma hope o ka hana ʻana e hōʻemi i ka wikiwiki o ka haki ʻana.
- Nā Hoʻohana: He like ke koena catalytic a lahilahi loa ka nui o nā ʻāpana (ʻaʻohe mea i hoʻokuʻu ʻia ma hope o ka hoʻoheheʻe ʻia ʻana), a ʻaʻole ia e pani i ka pale kānana o ka ʻaha wili.
- Nā hopena: Ua hoʻemi ʻia ka nui o ka haki ʻana o ka milo ʻana o ka polyester filament ma mua o 30%, ua hoʻomaikaʻi ʻia ka ikaika o ka fiber a me ke ʻano o ka elongation, a hiki i ka nui o nā huahana kiʻekiʻe ke hiki i ka 100%.

6. ʻO ka maʻalahi o ka hoʻohana a me ka hiki ke hoʻololi i nā hāmeʻa
- Nā Hoʻohana: Hiki ke hoʻoheheʻe pololei ʻia i loko o ka ethylene glycol e hoʻomākaukau i kahi hopena catalyst homogeneous (concentration 2%–5%), e hiki ai ke ana mau a pololei a me ka hānai ʻana.
- Nā hopena: Hōʻalo i ka pilikia o ka ua i hoʻokumu ʻia e ka antimony acetate hydrolysis, a hoʻopau pū i ka pono no ka wili ʻana a me ke kaʻina hana hoʻopuehu antimony trioxide, e kūpono ana no nā mea kanu polyester hoʻomau nui (hoʻopuka hoʻokahi laina i kēlā me kēia lā o nā haneli tone a ʻoi aku paha).

III. Nā Memo Pākuʻi (Nā Manaʻo Koho)

Ke hoʻohālikelike ʻia me ka antimony acetate, ʻoi aku ka kiʻekiʻe o ke kūpaʻa wela o ka antimony glycol a ʻoi aku ka liʻiliʻi o ka sublimation a i ʻole ka decomposition ma nā mahana polycondensation ma luna o 300°C, a pēlā e hōʻemi ai i ka waiho ʻana o ka antimony i loko o nā paipu vacuum.
- Hoʻohālikelike ʻia me ka antimony trioxide: ʻO ka solubility o ka Antimony glycol he >10% (hakina nui, 80 ℃) i loko o ka ethylene glycol, ʻoiai ʻo ka solubility o ka antimony trioxide he emi ma mua o 0.1%, no laila ʻoi aku ka maikaʻi o kona dispersibility a me ka hana mua ma mua o ka mea hope.
- Nā palena o ka hoʻohana ʻana: ʻAʻole kūpono no nā ʻōnaehana antimony-ʻole (e like me kekahi mau ʻōmole hoʻopiha wela a me nā ʻōpala lapaʻau), akā hiki ke hoʻohana ʻia ma ke ʻano he hopena hoʻololi i ka hoʻololi ʻana i ka hōʻemi antimony.