Title:
【発明の名称】改善された曇り度特性を有する着色ポリビニルブチラール中間層
Document Type and Number:
Japanese Patent JP2003503236
Kind Code:
A
Abstract:
A laminar structure comprised of at least two layers of glass and a sheet of plasticized PVB prepared by providing a color concentrate comprised of solid pigmented chips wherein the chips have a preselected size range to minimize haze in the laminated structure and are dispersed in a low molecular weight polyvinyl butyral resin, said chips comprising from about 10 to 60 weight percent of the color concentrate, depositing said color concentrate on a roughened surface of polyvinyl butyral sheeting as a dried colored coating or directly melt incorporating, and thereafter laminating said sheeting between the surfaces of layers of glass.
Inventors:
Thomas Richards Phillips
Application Number:
JP2001506092A
Publication Date:
January 28, 2003
Filing Date:
June 25, 1999
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B29B11/02; B32B17/10; B32B27/20; B32B27/30; B44C5/04; C03C27/12; C08J3/22; C08J7/04; (IPC1-7): B32B17/10; B29B11/02; B32B27/20; B32B27/30; C03C27/12
Attorney, Agent or Firm:
Yoshikazu Tani (2 outside)