A polymer composition comprising (i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or salt thereof wherein the functional unit is selected from the group consisting of end groups, pendant groups and combinations thereof, and preferably end groups; (ii) at least one organic acid according to general formula (1): Ry-(Acg) n (1), (iii) optionally at least one second polymer wherein the polymer composition has a total amount of the first polymer and the second polymer of at least 90% by weight, or at least 95% by weight, based on 100% total weight of the composition, and wherein the amount of the at least one first polymer is at least 10% by weight, and the amount of the at least one second polymer is at least 10% by weight, based on 100% total weight of the composition. And wherein the first polymer or the second polymer, or both, contains 0 to 100 parts of extending oil per 100 parts of polymer, and wherein the amount of polymer indicated by weight percent comprises the amount of extending oil (when present), and wherein in formula (1), Acg represents an acid group selected from-COOH,-SO3H,-OSO3H,-PO3H2,-OPO3H2, and salts thereof, and combinations thereof; n represents an integer from 1 to 10.000; ry represents an aromatic or aliphatic, linear, cyclic or branched hydrocarbon or heterohydrocarbon residue having a valence corresponding to n, where the heterohydrocarbon residue is a hydrocarbon residue additionally comprising one or more heteroatoms selected from the group consisting of N, S, Si, O, F, Cl, Br and combinations thereof, and where Acg is COOH, Ry may also represent H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H, H and wherein the first functionalized diene polymer is a homopolymer of a conjugated diene or at least one copolymer of a conjugated diene, and wherein the at least one conjugated diene comprises butadiene, isoprene, isoprene, 1, 3-pentadiene, 2, 3-dimethylbutadiene, 1-phenyl-1, 3-butadiene, 1, 3-hexadiene, myrcene, ocimene, and farnesene, and wherein the at least one conjugated diene comprises butadiene, isoprene, isoprene, 1, 3-pentadiene, 2, 3-dimethylbutadiene, 1-phenyl-1, 3-butadiene, 1, 3-hexadiene, myrcene, ocimene, and farnesene. Butadiene, preferably butadiene and isoprene, more preferably butadiene. Methods of making such compositions and articles made with such compositions are also provided.

    一种聚合物组合物,其包含(i)至少一种第一聚合物,其中该第一聚合物是官能化二烯聚合物,该官能化二烯聚合物包含至少一个具有至少一个羧酸基团或其盐的官能单元,其中该官能单元选自端基、侧基和它们的组合,并且优选地是端基;(ii)至少一种根据通式(1)的有机酸:Ry‑(Acg)n(1),(iii)可选地至少一种第二聚合物,其中基于该组合物的100%总重量,该聚合物组合物具有至少90重量%、或至少95重量%的第一聚合物和第二聚合物的总量,并且其中该至少一种第一聚合物的量是至少10重量%,并且其中该第一聚合物或该第二聚合物或两者每100份聚合物含有0至100份填充油,并且其中通过重量百分比指示的聚合物的量包括填充油(在存在时)的量,并且其中在式(1)中,Acg表示选自‑COOH、‑SO3H、‑OSO3H、‑PO3H2、‑OPO3H2和它们的盐、以及它们的组合的酸基团;n表示1至10.000的整数;Ry表示具有对应于n的化合价的芳香族或脂肪族、直链、环状或支链烃或杂烃残基,其中该杂烃残基是另外包含一个或多个选自N、S、Si、O、F、Cl、Br和它们的组合的杂原子的烃残基,并且在Acg是COOH的情况下,Ry还可以表示H,并且其中该第一官能化二烯聚合物是共轭二烯的均聚物或至少一种共轭二烯的共聚物,并且其中该至少一种共轭二烯包括丁二烯、异戊二烯、异戊二烯、1,3‑戊二烯、2,3‑二甲基丁二烯、1‑苯基‑1,3‑丁二烯、1,3‑己二烯、月桂烯、罗勒烯和法呢烯,优选地丁二烯和异戊二烯,更优选地丁二烯。还提供了制造此类组合物的方法和用此类组合物制得的制品。


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    Title :

    Stable polymer composition comprising organic acid and diene rubber functionalized with units comprising carboxylic acid groups


    Additional title:

    包含有机酸和用包含羧酸基团的单元官能化的二烯橡胶的稳定聚合物组合物


    Contributors:

    Publication date :

    2024-04-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS





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