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Abstract:
一种离子液体作为催化剂醇解回收废弃PET聚酯的方法涉及聚酯纺织品醇解回收领域。本发明以PET聚酯材料为原料,以乙二醇为醇解剂,以离子液体作为催化剂,在170‑220℃下将聚酯为对苯二甲酸双羟乙酯(BHET)。本发明利用离子液体作为催化剂,可有效降低聚酯解聚反应温度,缩短反应时间,提高对苯二甲酸双羟乙酯(BHET)产率,降低化学回收工艺技术成本,同时所得产物纯度高。
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Patent Info :
Type: 发明申请
Patent No.: CN202310075211.0
Filing Date: 2023-02-07
Publication Date: 2023-06-23
Pub. No.: CN116283566A
Applicants: 北京工业大学
Legal Status: 实质审查
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 14
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