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
1991-03-15
1993-07-27
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...
524442, 524447, C08J 510, C08K 334, C08L 2316
Patent
active
052311287
ABSTRACT:
An ethylene propylene rubber composition is disclosed, comprising 100 parts by weight of a polymer component, at least 5 parts by weight of a softener, and a hydrated magnesium silicate-based clay mineral in an amount of from 0.05 to 0.5 times the weight of said softener. The rubber composition provides a molded article free from bleeding of softeners.
REFERENCES:
patent: 2919256 (1959-12-01), Wallgren
patent: 4578296 (1986-03-01), Miyazaki et al.
L. Gonzalez et al., "Sepiolite-A new inorganic Active filler for the rubber industry," Kautschuk & Gummi Kunststoffe, vol. 40, Nov. 1987, pp. 1053-1057.
Rubber Technology, Third Edition (1987) by Maurice Morton, "Sheeting", p. 274.
Hayashi Hidenori
Horii Mitsumasa
Nakata Rikizou
Saiki Takayoshi
Sasayama Masataka
Kabushiki Kaisha Toyota Chuo Kenkyusho
Michl Paul R.
Rajguru U. K.
Toyoda Gosei Co,., Ltd.
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