Expanded polypropylene and articles thereof

Details Expanded polypropylene and articles thereof Expanded polypropylene and articles thereof

C - Chemistry, Metallurgy

08

J

18/637, 403/78

C08J 9/06 (2006.01) C08J 5/18 (2006.01) C08J 9/00 (2006.01) C08L 23/12 (2006.01)

Patent

CA 1255847

ABSTRACT OF THE DISCLOSURE Disclosed are rigid materials such as sheets, boards or tubes made of expanded polypropylene, which have a uniform specific gravity d of from about 4.1 x to-6 to about 8.1 x 10-6 Newton/mm3, a crystallization temperature of from about 115°C to about 135°C and a flexural modulus Mf expressed in Newton/mm3 such that the ratio Mf:d is from about 1.5 x 108 to about 1.7 x 108 mm.

492259

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