Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1991-03-13
1993-09-21
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
525232, 4273855, 4274071, 427488, C08L 900
Patent
active
052470075
ABSTRACT:
Herein provided are a polypropylene resin composition which comprises (A) a polypropylene, (B) an ethylene-propylene-diene terpolymeric rubber having a Mooney viscosity, ML.sub.1+4 (100.degree. C.), ranging from 5 to 50 and an iodine value of not less than 15, the content of the component (B) ranging from 10 to 50% by weight on the basis of the total weight of the components (A) and (B), and optionally (C) an inorganic filler in an amount ranging from 0 to 40 parts by weight per 100 parts by weight of the sum of the components (A) and (B); a coating method which comprises the steps of applying a primer coating to a molded product obtained by molding the foregoing polypropylene resin composition or irradiating the molded product with plasma without degreasing and washing the product with a halogen atom-containing organic solvent and then applying a top coat to the product; and a coating method which comprises the steps of degreasing and washing a molded product obtained by molding the foregoing polypropylene resin composition and then applying a top coat to the product without applying a primer coating to the molded product or irradiating the molded product with plasma. The coated film obtained according to the foregoing methods has good bond strength to the molded product.
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Patent Abstracts of Japan, vol. 12, No. 301 (C-521) [3148], Aug. 16, 1988.
Inokuma Takeaki
Kamiya Yoshiyasu
Kawai Yoichi
Nitta Katsuyuki
Sekiguchi Katsumi
Cain Edward
Michl Paul R.
Mitsui Toatsu Chemicals Inc.
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