CN Patent

CN106632804A — 绿色阳离子交换树脂制备方法

Assigned to Chongqing University of Arts and Sciences · Expires 2017-05-10 · 9y expired

What this patent protects

本发明公开了一种阳离子交换树脂的制备方法，其中，所述制备方法：（1）单体苯乙烯；α—甲基丙烯酸；二乙烯苯；过氧化苯甲酰以重量比7:10:1:0.2在搅拌下溶解构成油相。（2）分散剂PVA加入定量蒸馏水，于80℃水浴中加热3h溶解，浓度为0.1%，（3）在三口烧瓶中，加入一定配比的PVA水溶液，置于恒温水浴锅中边搅拌边升温至60℃，构成水相。（4）向三口烧瓶滴加油相，反应4h，通N 2 15min，控制搅拌速率由快转慢，反应结束得阳离子交换树脂P(St‑DVB‑MAA)粗产品，经洗涤后得阳离子交换树脂。

USPTO Abstract

本发明公开了一种阳离子交换树脂的制备方法，其中，所述制备方法：（1）单体苯乙烯；α—甲基丙烯酸；二乙烯苯；过氧化苯甲酰以重量比7:10:1:0.2在搅拌下溶解构成油相。（2）分散剂PVA加入定量蒸馏水，于80℃水浴中加热3h溶解，浓度为0.1%，（3）在三口烧瓶中，加入一定配比的PVA水溶液，置于恒温水浴锅中边搅拌边升温至60℃，构成水相。（4）向三口烧瓶滴加油相，反应4h，通N 2 15min，控制搅拌速率由快转慢，反应结束得阳离子交换树脂P(St‑DVB‑MAA)粗产品，经洗涤后得阳离子交换树脂。

Drugs covered by this patent

Patent Metadata

Patent number: CN106632804A
Jurisdiction: CN
Classification: —
Expires: 2017-05-10
Drug substance claim: No
Drug product claim: No
Assignee: Chongqing University of Arts and Sciences
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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