B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 71/04 (2006.01) B05D 3/06 (2006.01) B29C 59/00 (2006.01) C08L 23/10 (2006.01) B29C 35/08 (2006.01)
Patent
CA 2075304
ABSTRACT OF THE DISCLOSURE The present invention provides a method which enables the surface of a molded article of a polypropylene resin to be modified to a surface suitable for coating, bonding, printing, etc. A molded article of a polypropylene resin comprising polypropylene, an ethylene-propylene copolymer rubber and an ethylene-acrylic acid or ethylene-methacrylic acid copolymer and optionally a filler is irradiated in the air with a light from a synthetic quartz low pressure mercury lamp having an output of 200 W for 60 sec with the distance between the surface of the molded article and the lamp being kept at about 10 cm.
Shinonaga Hideo
Sogabe Satoru
R. William Wray & Associates
Sumitomo Chemical Co. Ltd.
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