Polyurethanes having reduced aldehyde emissions

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United States of America Patent

PATENT NO 11136444
SERIAL NO

16487252

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Abstract

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Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one polyacetoacetate compound and least one antioxidant. Foams so produced emit low levels of both formaldehyde and acetaldehyde.

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Patent Owner(s)

Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES LLC2040 DOW CENTER MIDLAND MI 48674

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feng, Shaoguang Shanghai, CN 94 124
Malanga, Michael T Midland, US 26 172
Tang, Zhengming Shanghai, CN 25 16
Yao, Wenbin Shanghai, CN 22 214
Zhang, Degang Shanghai, CN 12 10
Zhang, Jiguang Shanghai, CN 64 229
Zhang, Ping Shanghai, CN 445 2139
Zou, Jian Shanghai, CN 60 49

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