Coating of film-forming resin and functional flow control copolymer

申请公布号：US6313224(B1)

申请号：US19990437891

申请日期：1999.11.09

申请公布日期：2001.11.06

申请人：

PPG INDUSTRIAL OHIO, INC.

发明人：SINGER DEBRA L.;OLSON KURT G.;HUMBERT KURT A.;BARKAC KAREN A.;WOZNIAK MARK E.

分类号：C09D7/06;C09D201/00;(IPC1-7):C08L23/04;C08L33/14;C08L63/00;C08L67/00;C08L77/00

主分类号：C09D7/06

摘要：Curable coating compositions comprising either a liquid or particulate curable film-forming resinous material, a flow control agent which is a copolymer and optionally a carrier for the liquid resinous material. The copolymer is from at least one non-amino, non-hydroxyl and non-acid functional alkyl acrylate or methacrylate containing from 1 to 20 carbon atoms in the alkyl group, and functional monomer of either (i) amino functional acrylates and methacrylates in an effective amount to give the copolymer an amine value in the range from 2 to 70, or (ii) acid functional acrylate and methacrylate in an effective amount to give the copolymer an acid value in the range of from 10 to 30. Additionally, with either functional monomer (i) or (ii) another functional comonomer (iii) can be present in the copolymer which is hydroxyalkyl acrylate and/or hydroxyalkyl methacrylate and/or caprolactone polyol monomer. Comonomer (iii) can be present in the copolymer in an effective amount to give the copolymer a hydroxyl number is in the range of about 0 to 100.

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