COPOLYMERIZED POLYESTER, COPOLYMERIZED POLYESTER COMPOSITION FOR POWDERY COATING AGENT COMPRISING THE SAME, AND POWDERY COATING AGENT

WIPO Patent Application WO/2008/010503

A1

Disclosed is a copolymerized polyester produced by conducting polycondensation using a polycondensation catalyst comprising at least one member selected from the group consisting of aluminum and a compound thereof, wherein a polycarboxylic acid component constituting the copolymerized polyester is composed of 50 mol% or more of terephthalic acid and 0 to 10 mol% of a trifunctional or higher polycarboxylic acid, and a polyhydric alcohol component constituting the copolymerized polyester is composed of 90 to 100 mol% of an alkylene glycol having 20 or less carbon atoms and 0 to 10 mol% of a trifunctional or higher polyhydric alcohol. The copolymerized polyester has excellent transparency, color tone, weather resistance and impact resistance. By using the copolymerized polyester, it becomes possible to produce a powdery coating agent having excellent weather resistance, properties of a coating film, and reactivity with a curing agent during crosslinking process, therefore particularly excellent in gel fraction, workability, water resistance, adhesion properties, and adhesion properties after being subjected to water resistance test.

TOGAWA, Keiichiro (1-1 Katata 2-chome, Ohtsu-sh, Shiga 92, 5200292, JP)
戸川 惠一朗 (〒92 滋賀県大津市堅田二丁目１番１号 東洋紡績株式会社 内 Shiga, 5200292, JP)

JP2007/064141

January 24, 2008

July 18, 2007

Click for automatic bibliography generation  

TOYO BOSEKI KABUSHIKI KAISHA (2-8 Dojima Hama 2-chome, Kita-ku Osaka-shi, Osaka 30, 5308230, JP)
東洋紡績株式会社 (〒30 大阪府大阪市北区堂島浜二丁目２番８号 Osaka, 5308230, JP)
TOGAWA, Keiichiro (1-1 Katata 2-chome, Ohtsu-sh, Shiga 92, 5200292, JP)

C08G63/127; C08G63/84; C09D5/03; C09D167/02; C09D175/04

View/Download PDF      PDF Help

Previous Patent: NEAR-INFRARED ABSORBING FILM AND OPTICAL FILTER FOR PLASMA DISPLAY PANEL USING THE SAME

Next Patent: COMMAND GENERATION DEVICE