Amphoteric shape-memory polyurethane and method for preparing the same

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United States of America Patent

PATENT NO 10329376
APP PUB NO 20170096520A1
SERIAL NO

15387589

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Abstract

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A method for preparing an amphoteric shape-memory polyurethane and an amphoteric shape-memory polyurethane prepared by the method, the method including: 1) polymerizing monomer A and monomer B to synthesize a polyurethane; and 2) contacting monomer D and the polyurethane to conduct a ring-opening reaction on a nitrogen group of the polyurethane, to yield an amphoteric shape-memory polyurethane. The monomer A is a N-alkyl dialkanolamine having a formula I. The monomer B is a polyisocyanate, and the monomer D is an alkyl sulfonate.

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Patent OwnerAddress
SHENZHEN UNIVERSITYNO 3688 NANHAI AVENUE YUEHAI STREET NANSHAN DISTRICT SHENZHEN CITY GUANGDONG PROVINCE SHENZHEN CITY GUANGDONG PROVINCE 518000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Shaojun Shenzhen, CN 36 83
Ge, Zaochuan Shenzhen, CN 7 16
Mo, Funian Shenzhen, CN 7 12
Ren, Huanhuan Shenzhen, CN 1 2
Yang, Yan Shenzhen, CN 263 1576

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