C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/664
C08J 9/14 (2006.01)
Patent
CA 1190013
ABSTRACT OF THE DISCLOSURE A process for producing a highly expanded polypropylene foam uniform in the viscosity at the extrusion foaming, improved in melt strength and free from unevenness of surface by using a polypropylene resin having a specified melt tension.
403288
Fukushima Nobuo
Kitagawa Yoshihiko
Okumura Takuzo
Sakakura Kazuaki
Fetherstonhaugh & Co.
Sumitomo Chemical Co. Ltd.
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