Preparation method of polyurethane foam

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United States of America Patent

PATENT NO 11920017
APP PUB NO 20210230390A1
SERIAL NO

17228489

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Abstract

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A method of a polyurethane foam includes the following steps of: (1) simultaneously pumping a mixed solution prepared from hydrogen peroxide, an organic acid, a catalyst and a stabilizer and a vegetable oil into a first microstructured reactor of a micro-channel modular reaction device for reacting to obtain a reaction solution containing epoxidized vegetable oil; (2) simultaneously pumping the reaction solution containing the epoxidized vegetable oil obtained from the step (1) and a compound of formula III into a second microstructured reactor of the micro-channel modular reaction device for reaction to obtain a vegetable oil polyol; and (3) reacting the vegetable oil polyol prepared from the step (2) with a foam stabilizer, a cyclohexylamine, an isocyanate and a foaming agent cyclopentane for foaming so as to prepare a rigid polyurethane foam.

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Patent Owner(s)

Patent OwnerAddress
NANJING TECH UNIVERSITY211816 PUZHU SOUTH ROAD PUKOU DISTRICT NANJING JIANGSU PROVINCE NO 30 NANJING CITY JIANGSU PROVINCE 211816

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fang, Zheng Nanjing, CN 239 963
Guo, Kai Nanjing, CN 112 449
Hu, Xin Nanjing, CN 132 1303
Li, Xin Nanjing, CN 946 7137
Liu, Chengkou Nanjing, CN 7 0
Meng, Jingjing Nanjing, CN 11 22
Ouyang, Pingkai Nanjing, CN 25 15
Qiu, Chuanhong Nanjing, CN 2 0
Tao, Junjie Nanjing, CN 7 13
Zhu, Ning Nanjing, CN 136 1600

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