Halogenated elastomeric compositions having improved stability and green strength
    2.
    发明授权
    Halogenated elastomeric compositions having improved stability and green strength 失效
    具有改善的稳定性和绿色强度的卤化弹性体组合物

    公开(公告)号:US06956075B2

    公开(公告)日:2005-10-18

    申请号:US10398302

    申请日:2001-10-09

    摘要: The present invention is a composition and a method of forming a composition, the composition comprising at least a halogenated elastomer and an amine or phosphine. An additional rubber component may be present in the composition of the invention. In one embodiment, the halogenated elastomer is a isoolefin copolymer comprising a halomethylstyrene derived unit. The amine or phosphine compound is represented by the formula (R1R2R3)Q, wherein Q is a Group 15 element, and wherein R1 is either hydrogen or a C4 to C30 hydrocarbyl group, R2 is either hydrogen or a C1 to C30 hydrocarbyl group; and R3 is either hydrogen or a C1 to C30 hydrocarbyl group provided that at least one of R1, R2 and R3 is not hydrogen. The additional rubber is selected from butyl rubber, halogenated butyl rubber, star-branched butyl rubber, halogenated star-branched butyl rubber, isobutylene homopolymer, butadiene rubber, neoprene, nitrile rubbers, ethylene/propylene/diene terpolymers, ethylene/propylene copolymers, styrene butadiene rubbers, polybutadiene, polyisoprene, isoolefin/alkylstyrene copolymer, halogenated isoolefin/alkylstyrene copolymer, natural rubber, polypropylene, polyethylene, polyurethane, polyvinyl chloride, silicon rubber, propylene oxide polymer, and mixtures thereof.

    摘要翻译: 本发明是组合物和形成组合物的方法,所述组合物至少包含卤化弹性体和胺或膦。 在本发明的组合物中可能存在另外的橡胶组分。 在一个实施方案中,卤化弹性体是包含卤代甲基苯乙烯衍生单元的异烯烃共聚物。 胺或膦化合物由式(R 1,R 2,R 3,R 3)Q表示,其中Q是第15族元素,和 其中R 1是氢或C 3〜C 14烃基,R 2是氢或 C 30 -C 30烃基的C 1 -C 12烷基; 并且R 3是氢或C 1〜C 30烃基,条件是R 1〜O 2中的至少一个 >,R 2和R 3不是氢。 另外的橡胶选自丁基橡胶,卤化丁基橡胶,星形支链丁基橡胶,卤化星形支链丁基橡胶,异丁烯均聚物,丁二烯橡胶,氯丁橡胶,丁腈橡胶,乙烯/丙烯/二烯三元共聚物,乙烯/丙烯共聚物,苯乙烯 丁二烯橡胶,聚丁二烯,聚异戊二烯,异烯烃/烷基苯乙烯共聚物,卤代异烯烃/烷基苯乙烯共聚物,天然橡胶,聚丙烯,聚乙烯,聚氨酯,聚氯乙烯,硅橡胶,环氧丙烷聚合物及其混合物。

    Halogenated elastomeric compositions having enhanced viscosity
    3.
    发明授权
    Halogenated elastomeric compositions having enhanced viscosity 失效
    具有增强粘度的卤化弹性体组合物

    公开(公告)号:US07019058B2

    公开(公告)日:2006-03-28

    申请号:US10398256

    申请日:2001-10-09

    IPC分类号: C08K5/50

    摘要: The invention provides a method for increasing the viscosity of C4–C7 isoolefin copolymers including halomethylstyrene derived units by mixing the copolymer with a hindered amine or phosphine of the structure R1 R2 R3 N or R1 R2 R3 P wherein R1, R2 and R3 are preferably lower and higher alkyl groups. The resulting ionically associated, amino or phosphine modified elastomers are used to prepare thermoplastic elastomer blend compositions, including dynamically vulcanized compositions, containing more finely dispersed elastomers which results in compositions having improved mechanical properties.

    摘要翻译: 本发明提供了一种通过将共聚物与具有结构R 1的受阻胺或膦化合物混合来提高包括卤代甲基苯乙烯衍生单元的C 4 -C 7 -C 7异构共聚物的粘度的方法, 3个R 1,R 2,R 3,R 3,R 3,R 3,R 3,R 3,R 3, 其中R 1,R 2和R 3 3优选是低级和高级烷基。 所得的离子相关的氨基或膦改性的弹性体用于制备热塑性弹性体共混组合物,包括动态硫化组合物,其含有更细的分散的弹性体,其导致组合物具有改善的机械性能。

    Oriented thermoplastic vulcanizate
    4.
    发明授权
    Oriented thermoplastic vulcanizate 失效
    定向热塑性硫化胶

    公开(公告)号:US06966999B2

    公开(公告)日:2005-11-22

    申请号:US10344460

    申请日:2001-07-02

    摘要: Oriented films are prepared. A thermoplastic vulcanizate, prepared by mixing at least 20 wt % of a thermoset rubber by weight of the total composition into a thermoplastic polymer are disclosed. After the mixture is prepared the thermoset rubber is entrained as discrete particles within the continuous thermoplastic polymer phase. The resulting composite is subjected to a stress either by pulling, blow molding, or any other film-forming process as is known in the art. This stress causes the continuous phase polymer molecules to become aligned or oriented in the direction in which the stress was applied, thus creating the oriented thermoplastic vulcanizate of the invention. This material has improved gas permeability and improved flexibility properties.

    摘要翻译: 准备定向胶片。 公开了通过将至少20重量%的总组合物重量的热固性橡胶混合到热塑性聚合物中制备的热塑性硫化橡胶。 制备混合物后,热固性橡胶作为连续热塑性聚合物相中的离散颗粒被夹带。 所得到的复合材料通过拉制,吹塑成型或本领域已知的任何其它成膜方法承受应力。 该应力导致连续相聚合物分子在施加应力的方向上取向或定向,从而产生本发明的取向的热塑性硫化橡胶。 该材料具有改善的气体渗透性和改善的挠性。

    Isobutylene-based elastomer blends
    8.
    发明授权
    Isobutylene-based elastomer blends 失效
    异丁烯基弹性体共混物

    公开(公告)号:US06875813B2

    公开(公告)日:2005-04-05

    申请号:US10258008

    申请日:2001-04-26

    摘要: The improved green strength, green elongation, and green relaxation properties of isobutylene-based elastomers at elevated temperatures along with improved aging and barrier properties are achieved by blending semi-compatible, semi-crystalline copolymers with the isobutylene elastomers. The semi-crystalline copolymers are typically copolymers of ethylene and an alpha-olefin having from 4 to 16 carbon atoms. The improved properties are maintained in subsequent rubber compounds containing said blends and are particularly useful in tire and pharmaceutical container applications.

    摘要翻译: 通过将半相容的半结晶共聚物与异丁烯弹性体共混,可以提高异丁烯基弹性体在升高的温度下改善的生坯强度,绿色伸长率和绿色松弛性能以及改善的老化和阻隔性能。 半结晶共聚物通常是乙烯和具有4至16个碳原子的α-烯烃的共聚物。 在随后的包含所述共混物的橡胶化合物中维持改进的性能,并且在轮胎和药物容器应用中特别有用。