08-02-2018 дата публикации
Номер: US20180037059A1
A polymer blend consisting of (a) 60-96 percent by weight of a high molecular weight elastomeric polymer, (b) 4-35 percent by weight of a low molecular weight aromatic hydrocarbon polymer, and optionally (c) 0-13 percent by weight of an extender oil, wherein the amounts of the components (a), (b) and (c) are based on the total weight of the polymer blend. 4. The polymer blend according to claim 1 , wherein{'sub': 1', '6', '6', '12', '7', '10', '2, '(4.a) in formula (I), each of R*** are independently selected from methyl, ethyl, iso-propyl, n-propyl, n-butyl, iso-butyl, or tert-butyl; each of R** are independently selected from C-Calkyl, C-Caryl, or C-Calkylaryl; and A is —(CH)N—, wherein N is an integer selected from 1, 2, 3, 4, 5 or 6; and/or'}{'sup': 3', '5', '5', '1', '2', '4', '2′, 'sub': 1', '16', '1', '4', '1', '4, '(4.b) in formula (2), M* is a silicon atom; Ris divalent and is (C-C) alkyl; X* is —OR*, wherein R* is selected from (C-C) alkyl; R, R, and Rare independently selected from (C-C) alkyl; s2′ and t2′ are each 2 and u2′ is 0; and x2′ is 2 and Y is 1; and/or'}{'sub': I', 'II', '1', '4', 'IV', '1', '4, '(4.c) in formula (3), each of Rand Rare independently C-Calkoxy; Ris selected from C-Calkyl; and E is of formula (3a).'}5. The polymer blend according to claim 1 , wherein the aromatic hydrocarbon polymer (b) is obtainable by polymerization of an aromatic monomer claim 1 , selected from the group claim 1 , consisting of 2-methylstyrene claim 1 , 3-methylstyrene claim 1 , 4-methylstyrene claim 1 , 2 claim 1 ,4-dimethylstyrene claim 1 , 2 claim 1 ,4 claim 1 ,6-trimethylstyrene claim 1 , α-methylstyrene claim 1 , stilbene claim 1 , 2 claim 1 ,4-diisopropylstyrene claim 1 , 4-tert-butylstyrene claim 1 , vinyl benzyl dimethylamine claim 1 , (4-vinylbenzyl)dimethyl aminoethyl ether claim 1 , N claim 1 ,N-dimethylaminoethyl styrene claim 1 , tert-butoxystyrene claim 1 , vinylpyridine claim 1 , divinylbenzene and its derivatives claim 1 , coumarone claim 1 , ...
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