Diene polymers, process for production, thereof, and rubber compositions containing same
AssigneeAsahi Kasei Kogyo Kabushiki Kaisha
InventorsYuichi Kitagawa, Yasuo Hattori, Akira Saito
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Abstract
A diene polymer expressed by the following general formula and with a weight average molecular weight, determined by GPC, of 10,000 to 1,000,000: ##STR1## (wherein, D.sub.1 indicates a diene polymer, R.sub.1 an organic group of 1 to 20 carbon atoms free from active hydrogen or a silicon compound, m is 0 or an integer of from 1 to 6, and n is 0 or an integer of from 1 to 6, m being 1 or more when n=0 and n being 2 or more when m=0). This diene polymer is used as a vulcanization use rubber composition suitable for tire applications, principally tire treads, stiffeners for high impact polystyrene, etc., thermoplastic elastomers, and thermoplastic resins.
Claims8
A diene polymer expressed by the following general formula and with a weight average molecular weight, determined by GPC, of 10,000 to 1,000,000:
- ##STR12## wherein D.sub.1 is a diene polymer bonded via a carbon-carbon linkage, R.sub.1 is an organic group of 1 to 20 carbon atoms free from active hydrogen or a silicon compound, m is 0 or an integer of from 1 to 6, and n is 0 or an integer of from 1 to 6;
- and when m is 1 or more n =0;
- and when n is 2 or more, m =0.
A diene polymer composition which comprises 10 to 99 percent by weight of the diene polymer of claim 1 and 90 to 1 percent by weight of a diene polymer which corresponds to D.sub.1 and having the general formula shown in claim 1.
Dependencies are inferred from the claim text.