Pre-expanded particles of propylene resin

Details Pre-expanded particles of propylene resin Pre-expanded particles of propylene resin

C - Chemistry, Metallurgy

08

J

18/673, 403/78

C08J 9/22 (2006.01) C08J 9/18 (2006.01) C08J 9/228 (2006.01) C08L 23/10 (2006.01)

Patent

CA 1280549

Abstract of the Disclosure A pre-expanded particle of a propylene resin having two melting temperatures as determined by DSC, the heat of fusion for the peak based on the higher melting temperature being 0.5 to 2.3 cal/g. By using the pre- expanded particles of the propylene resin of the invention, foamed articles having excellent surface appearance, small dimentional shrinkage can be easily obtained without the procedure for giving the internal pressure .

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