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Application of polymeric powders to a substrate
T999002 Application of polymeric powders to a substrate
Patent Drawings:

Inventor: Twiggs, et al.
Date Issued: October 7, 1980
Application: 06/081,233
Filed: October 2, 1979
Inventors: Buck; Dan F. (Kingsport, TN)
Suggs; James L. (Greeneville, TN)
Twiggs; Henry C. (Kingsport, TN)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 427/385.5; 427/393.5
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: The present invention provides a method for coating a substrate with a thermoplastic polymeric powder, especially polyester powder, by forming an emulsion containing fine particles of such powder, applying the emulsion to the substrate, and heating the coated substrate to a temperature sufficiently high to evaporate the liquid from the emulsion and thermally bond the particles to the substrate. The emulsifying agents are fatty acid esters of glycerol.
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