Alpha,Omega-hydroxy-functionalized oligoester as adhesion promoter in solventborne fillers

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United States of America Patent

PATENT NO 9777169
APP PUB NO 20150368485A1
SERIAL NO

14766554

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Abstract

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Solventborne filler comprises at least one alpha,omega-hydroxy-functionalized oligoester which possesses an OH number of 30 to 160 mg KOH/g, a theoretical carbon-carbon double bond content of 1 to 3 mmol/g, a number-average molecular weight of 1000 to 3000 g/mol and a weight-average molecular weight of 2800 to 10 000 g/mol, moreover, the sum of the weight percentage fractions of all the alpha,omega-hydroxy-functionalized oligoesters being 0.5 to 10 wt. %, based on the total amount of the solventborne filler. Also provided are a multicoat paint system, a process for producing a multicoat paint system, and use of the above-designated alpha,omega-hydroxy-functionalized oligoester in solventborne fillers for improving adhesion.

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Patent Owner(s)

Patent OwnerAddress
BASF COATINGS GMBHGLASURITSTRASSE 1 MUENSTER 48165

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andersen, Audrée Münster, DE 3 1
Boshe-Plois, Stefanie Ochtrup, DE 7 20
Corten, Cathrin Münster, DE 22 53
Fölling, Frederik Münster, DE 2 0
Freitag, Nicole Münster, DE 10 31
Raka, Fatmir Münster, DE 19 35
Saedler, Markus Münster, DE 7 20
Steffens, Alexandra Münster, DE 11 35

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