#hnipu

[innovation-in-polyurethanes]

Non-Isocyanate Polyurethanes from Thiocarbonates

Non-Isocyanate Polyurethanes from Thiocarbonates

Patent Title: PROCESS FOR THE MANUFACTURING OF A POLYMER WITH URETHANE GROUPS

Number/Link: WO2019/034470 and WO2019/034473

Applicant/Assignee: BASF

Publication Date: 21 February 2019

“Gist”:  A cyclic thiocarbonate is reacted with a diamine and then with a diacrylate

Why it is interesting: NIPU is prepared by reacting a five-ring monothiocarbonate with di- (or poly-) amine and then with a…

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[innovation-in-polyurethanes]

Non-Isocyanate Polyurethane Using Thiol-Ene "Click Chemistry"

Non-Isocyanate Polyurethane Using Thiol-Ene “Click Chemistry”

Title: POLY(HYDROXYL URETHANE) COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME

 Number/Link: US20140182784

Applicant/Assignee:  Inventors but with US goverment interest

Publication date: 3-07-2014

“Gist”: Crosslinked poly(hydroxyurethanes) are prepared by reacting a cyclic carbonate comprising a carbon-carbon double bond, a di-thiol and a polyamine.

Why it is interesting:According to this…

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