Pneumatic tire having lug and groove configuration extending from tread over at least 30% of sidewall
    1.
    发明授权
    Pneumatic tire having lug and groove configuration extending from tread over at least 30% of sidewall 有权
    具有从胎面延伸至胎侧至少30%的凸耳和凹槽构型的气动轮胎

    公开(公告)号:US06761198B2

    公开(公告)日:2004-07-13

    申请号:US09780548

    申请日:2001-02-09

    IPC分类号: B60C100

    摘要: This invention relates to a pneumatic rubber tire having a rubber sidewall composition of a lug and groove configuration which is designed to be ground contacting. Such sidewall configuration is of a rubber composition comprised of a blend of natural rubber and cis 1,4-polybutadiene rubber which contains specified carbon black reinforcement and silica together with a coupling agent. The tire tread rubber composition differs from the rubber composition of said sidewall lug and groove configuration by being exclusive of silica and coupling agent and carbon black reinforcement exclusive of said specified carbon black.

    摘要翻译: 本发明涉及一种具有橡胶侧壁组合物的气动橡胶轮胎,该橡胶侧壁组合物被设计成与地面接触。 这种侧壁构造是由天然橡胶和顺式1,4-聚丁二烯橡胶的共混物组成的橡胶组合物,其含有特定的炭黑增强物和二氧化硅以及偶联剂。 轮胎胎面橡胶组合物不同于除了所述特定炭黑之外的二氧化硅和偶联剂以及炭黑增强剂,所述侧壁凸缘和槽构造的橡胶组成不同。

    Tire with tread made with liquid block copolymer
    2.
    发明授权
    Tire with tread made with liquid block copolymer 失效
    轮胎胎面用液体嵌段共聚物制成

    公开(公告)号:US6070634A

    公开(公告)日:2000-06-06

    申请号:US936110

    申请日:1997-09-23

    IPC分类号: B60C1/00 C08L21/00 B60C9/02

    摘要: This invention describes the use of liquid block isoprene-butadiene copolymers of approximately 25,000 to 100,000 .sub.v molecular weight, and which comprises 10 to 90% by weight isoprene and 90 to 10% by weight butadiene. This material is added to a rubber compound that contains natural rubber, isoprene rubber, styrene butadiene rubber and butadiene rubber, or blends thereof, the sum of which is equal to or greater than 50 phr of the entire rubber content formulation. The liquid block copolymer is used at low levels, typically 1.5 phr to 15 phr. The invention also includes tires with at least one component composed of such rubber composition such as a tire tread.

    摘要翻译: 本发明描述了约25,000至100,000v分子量的液体嵌段异戊二烯 - 丁二烯共聚物的用途,其包含10至90重量%的异戊二烯和90至10重量%的丁二烯。 将该材料加入含有天然橡胶,异戊二烯橡胶,丁苯橡胶和丁二烯橡胶的橡胶混合物或其混合物,其总和等于或大于整个橡胶含量制剂的50phr。 液体嵌段共聚物以低水平使用,通常为1.5phr至15phr。 本发明还包括具有由诸如轮胎胎面之类的橡胶组合物组成的至少一个部件的轮胎。

    Preparation of silica-rich rubber composition by sequential mixing with maximum mixing temperature limitations
    3.
    发明授权
    Preparation of silica-rich rubber composition by sequential mixing with maximum mixing temperature limitations 有权
    通过连续混合制备富含二氧化硅的橡胶组合物,具有最大混合温度限制

    公开(公告)号:US07122586B2

    公开(公告)日:2006-10-17

    申请号:US10389046

    申请日:2003-03-14

    摘要: The invention relates to preparation of silica-rich rubber compositions by a sequence of sequential mixing steps conducted in internal rubber mixer(s) with individual maximum temperature limitations. The mixing steps are comprised of at least two non-productive mixing steps followed by a productive mixing step. The non-productive mixing steps themselves are comprised of at least one preliminary non-productive mixing step followed by a final non-productive mixing step. Elastomer, silica and coupling agent are added in at least one of said preliminary non-productive mixing steps to the exclusion of said final non-productive mixing step and said productive mixing step. Sulfur and sulfur vulcanization accelerator(s) are added in said productive mixing step to the exclusion of said non-productive mixing steps. The preliminary non-productive mixing step(s) are individually conducted to a maximum mixing temperature in a range of from about 150° C. to about 180° followed by the final non-productive mixing step to a reduced maximum mixing temperature in a range of from about 90° C. to about 130° C. The maximum mixing temperature of said final non-productive mixing step is at least 20° C. lower than the maximum temperature for said preliminary non-productive mixing stage(s). The productive mixing step is conducted to a maximum temperature in a range of from about 90° C. to about 120° C. The rubber composition is removed from its respective internal rubber mixer and cooled to below 40° C. between said mixing steps. The invention is further intended to relate to a rubber composition prepared by such mixing process and to a tire having at least one component comprised of such rubber composition.

    摘要翻译: 本发明涉及通过在具有单独的最大温度限制的内部橡胶混合器中进行的连续混合步骤的顺序来制备富含二氧化硅的橡胶组合物。 混合步骤包括至少两个非生产性混合步骤,随后是生产性混合步骤。 非生产性混合步骤本身包括至少一个初步非生产性混合步骤,随后是最终的非生产性混合步骤。 在至少一个所述初步非生产性混合步骤中加入弹性体,二氧化硅和偶联剂,排除所述最终非生产性混合步骤和所述生产混合步骤。 在所述生产性混合步骤中加入硫和硫硫化促进剂以排除所述非生产性混合步骤。 初步的非生产性混合步骤分别进行至约150℃至约180℃的最大混合温度,随后进行最终的非生产性混合步骤,使得最大混合温度在一定范围内降低 约90℃至约130℃。所述最终非生产性混合步骤的最大混合温度比所述初步非生产性混合阶段的最高温度低至少20℃。 生产混合步骤进行到约90℃至约120℃范围内的最高温度。将橡胶组合物从其相应的内部橡胶混合器中除去并在所述混合步骤之间冷却至低于40℃。 本发明进一步旨在涉及通过这种混合方法制备的橡胶组合物和具有至少一种由这种橡胶组合物组成的组分的轮胎。

    Tire having tread with colored groove configuration

    公开(公告)号:US06561244B2

    公开(公告)日:2003-05-13

    申请号:US09775381

    申请日:2001-02-01

    IPC分类号: B60C100

    摘要: The present invention relates to a tire having a rubber tread of a lug and groove configuration and of a co-extruded cap/base construction; wherein the tread cap is of a rubber composition which contains carbon black and is thereby of a black color; wherein a visible surface of at least one groove is of a rubber composition exclusive of carbon black and is of a non-black color and wherein said visible non-black colored rubber composition is a rubber layer which underlies said tread cap. Said visible non-black colored rubber is exclusive of any appreciable portion of, and preferably exclusive of, the surface of said tread lugs intended to be ground-contacting. In one aspect of the invention, said non-black colored rubber composition contains an amorphous precipitated silica reinforcement, preferably a pre-hydrophobated precipitated silica. In another aspect of the invention, said non-black colored rubber composition, and alternately, carbon black containing black colored rubber compositions adjoining said non-black colored rubber composition, is comprised a blend of at least one diene based elastomer and a brominated copolymer of isobutylene and p-methylstyrene together with an organo phosphite.

    Tire tread compositions containing asymmetrically tin-coupled
polybutadiene rubber and silica coupling agent
    5.
    发明授权
    Tire tread compositions containing asymmetrically tin-coupled polybutadiene rubber and silica coupling agent 失效
    含有不对称锡偶联聚丁二烯橡胶和二氧化硅偶联剂的轮胎胎面组合物

    公开(公告)号:US6017988A

    公开(公告)日:2000-01-25

    申请号:US366236

    申请日:1999-08-03

    摘要: This invention relates to a tire tread compound that is easily processable which can be used to improve the treadwear, rolling resistance and traction characteristics of tires. The tire tread compounds of this invention are a blend of tin-coupled polybutadiene, high vinyl polybutadiene and natural rubber. This blend of low glass transition temperature rubber and high glass transition temperature rubber is surprisingly easy to process which makes the concept of this invention commercially feasible. Thus, the tire tread compounds of this invention can be utilized in making tires having greatly improved traction characteristics and treadwear without sacrificing rolling resistance. These improved properties may be due, in part, to better interaction and compatibility with carbon black and/or silica fillers. The polybutadiene in the blend can be asymmetrical tin-coupled to further improve the cold flow characteristics of the rubber blend. Asymmetrical tin coupling in general also leads to better processability and other beneficial properties. This invention more specifically discloses a tire tread rubber composition which is comprised of (1) from about 20 phr to about 60 phr of tin-coupled polybutadiene rubber, (2) from about 20 phr to about 60 phr of a rubber selected from the group consisting of natural rubber and synthetic polyisoprene and (3) from about 5 phr to about 40 phr of high vinyl polybutadiene rubber.

    摘要翻译: 本发明涉及一种易于加工的轮胎胎面胶,其可用于改善轮胎的胎面磨损,滚动阻力和牵引特性。 本发明的轮胎胎面胶料是锡偶合的聚丁二烯,高乙烯基聚丁二烯和天然橡胶的混合物。 这种低玻璃化转变温度橡胶和高玻璃化转变温度橡胶的混合物令人惊奇地易于加工,这使得本发明的概念在商业上可行。 因此,本发明的轮胎胎面胶料可用于制造具有极大改善的牵引特性和胎面磨损的轮胎,而不会牺牲滚动阻力。 这些改进的性质可能部分是由于与炭黑和/或二氧化硅填料的更好的相互作用和相容性。 共混物中的聚丁二烯可以是不对称的锡偶联,以进一步改善橡胶共混物的冷流特性。 不对称锡偶联一般也会导致更好的加工性能和其他有益的性能。 本发明更具体地公开了一种轮胎胎面橡胶组合物,其包含(1)约20phr至约60phr的锡偶联的聚丁二烯橡胶,(2)约20phr至约60phr的选自下组的橡胶: 由天然橡胶和合成聚异戊二烯组成,(3)约5phr至约40phr的高乙烯基聚丁二烯橡胶。

    Method of preparing trans polybutadiene blend for use in tires
    6.
    发明授权
    Method of preparing trans polybutadiene blend for use in tires 失效
    制备用于轮胎的反式聚丁二烯共混物的方法

    公开(公告)号:US5753761A

    公开(公告)日:1998-05-19

    申请号:US775050

    申请日:1996-12-27

    摘要: The present invention relates to the utilization of trans 1,4-polybutadiene resin having a melting point of at least 30.degree. C. in rubber compositions. The invention, in one aspect, relates to replacing, or at least partially replacing, natural rubber with a pre-blend of trans 1,4-polybutadiene resin and synthetic cis 1,4-polyisoprene rubber. The invention particularly relates to preparation and utilization of a pre-blend of trans 1,4-polybutadiene resin and synthetic cis 1,4-polyisoprene rubber by blending individual polymerizate cements, drying the pre-blend, and use of such pre-blend in the preparation of rubber compositions and of manufactured products such as, for example, tires.

    摘要翻译: 本发明涉及在橡胶组合物中使用熔点至少为30℃的反式1,4-聚丁二烯树脂。 在一个方面,本发明涉及用反式1,4-聚丁二烯树脂和合成的顺式1,4-聚异戊二烯橡胶的预共混物代替或至少部分替代天然橡胶。 本发明特别涉及通过混合各种聚合物水泥,干燥预混物和使用这种预混合物来制备和利用反式1,4-聚丁二烯树脂和合成的顺式1,4-聚异戊二烯橡胶的预共混物 制备橡胶组合物和制造产品,例如轮胎。

    Tread rubber for high traction tires
    7.
    发明授权
    Tread rubber for high traction tires 有权
    轮胎橡胶用于高牵引轮胎

    公开(公告)号:US06670416B1

    公开(公告)日:2003-12-30

    申请号:US09616271

    申请日:2000-07-14

    IPC分类号: C08J510

    摘要: In tire tread formulations, blends of rubbers having low and high glass transition temperatures have significant advantages over blends made with rubbers having intermediate glass transition temperatures. However, blends of rubbers having low and high glass transition temperatures exhibit poor processability. This invention deals with improving the processability of tire tread formulations which are made by blending rubbers having both low and high glass transition temperatures that offer ultra low rolling resistance without sacrificing rolling resistance or tread wear characteristics. This invention more specifically discloses a tire tread rubber composition which is comprised of (a) about 60 phr to about 90 phr of a high cis-1,4-polybutadiene rubber, wherein the high cis-1,4-polybutadiene rubber has a glass transition temperature which is within the range of about −104° C. to about −80° C., (b) about 10 phr to about 40 phr of at least one additional rubbery polymer selected from the group consisting of polyisoprene rubber, polybutadiene rubber and styrene-isoprene-butadiene rubber, wherein the additional rubbery polymer has a glass transition temperature which is within the range of about −30° C. to about −10° C. isoprene-butadiene rubber, (c) about 20 phr to about 60 phr of carbon black, wherein the carbon black has a DBP absorption value of at least 140 cm3/100 grams and wherein the carbon black has a CTAB adsorption area which is within the range of about 60 to about 90.

    摘要翻译: 在轮胎胎面配方中,具有低和高玻璃化转变温度的橡胶的共混物比具有中间玻璃化转变温度的橡胶制成的混合物具有显着的优点。 然而,具有低玻璃化转变温度和高玻璃化转变温度的橡胶的混合物表现出差的加工性能。 本发明涉及改善轮胎胎面配方的加工性能,其通过混合具有低和高玻璃化转变温度的橡胶制成,其提供超低滚动阻力而不牺牲滚动阻力或胎面磨损特性。 本发明更具体地公开了一种轮胎胎面橡胶组合物,其由(a)约60phr至约90phr的高顺式-1,4-聚丁二烯橡胶组成,其中高顺式-1,4-聚丁二烯橡胶具有玻璃 转变温度在约-104℃至约-80℃的范围内,(b)约10phr至约40phr的至少一种另外的橡胶状聚合物,其选自聚异戊二烯橡胶,聚丁二烯橡胶 和苯乙烯 - 异戊二烯 - 丁二烯橡胶,其中所述另外的橡胶状聚合物的玻璃化转变温度在约-30℃至约-10℃的范围内。异戊二烯 - 丁二烯橡胶,(c)约20phr至约 60phr的炭黑,其中炭黑具有至少140cm 3/100克的DBP吸收值,并且其中炭黑的CTAB吸附面积在约60至约90的范围内。

    Rubber blend containing cyclized polyisoprene
    9.
    发明授权
    Rubber blend containing cyclized polyisoprene 失效
    含有环化聚异戊二烯的橡胶混合物

    公开(公告)号:US06262178B1

    公开(公告)日:2001-07-17

    申请号:US09473011

    申请日:1999-12-28

    IPC分类号: C08L2704

    摘要: This invention is based upon the discovery that cyclized polyisoprene polymers can be incorporated into tire tread compounds to improve traction, treadwear, and resistance to tear. It is further based upon the discovery that cyclized polyisoprene polymers can be blended with halobutyl rubber and/or natural rubber and can be utilized in tire innerliner formulations. The present invention more specifically discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is comprised of a sulfur cured rubber composition which is comprised of about 5 phr to about 50 phr of cyclized polyisoprene and about 50 phr to about 95 phr of at least one other rubbery polymer. The present invention further discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, an innerliner, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said innerliner is comprised of a sulfur cured rubber composition which is comprised of about 5 phr to about 50 phr of cyclized polyisoprene and about 50 phr to about 95 phr of at least one other rubbery polymer selected from the group consisting of natural rubber and halobutyl rubber.

    摘要翻译: 本发明基于以下发现:环化聚异戊二烯聚合物可以并入轮胎胎面胶料中以改善牵引力,胎面磨损和耐撕裂性。 进一步基于以下发现:环化聚异戊二烯聚合物可与卤代丁基橡胶和/或天然橡胶共混,并可用于轮胎内衬配方中。 本发明更具体地公开了一种轮胎,其由具有外圆周胎面的大致环形胎体,两个间隔开的胎圈,从胎圈到胎圈延伸的至少一个帘布层和从所述胎面径向延伸并将所述胎面连接到所述胎圈的轮胎, 其中所述胎面适于与地面接触,并且其中所述胎面由硫磺固化的橡胶组合物组成,硫化橡胶组合物由约5phr至约50phr的环化聚异戊二烯和约50phr至约95phr的至少一种其它 橡胶状聚合物。 本发明进一步公开了一种轮胎,其包括通常为环形的胎体,其具有外圆周胎面,两个间隔开的胎圈,内衬层,至少一个从胎圈到胎圈延伸的帘布层以及从所述踏面径向延伸并将所述胎面连接到所述胎面的侧壁 珠,其中所述内衬层由硫固化的橡胶组合物组成,其由约5phr至约50phr的环化聚异戊二烯和约50phr至约95phr的至少一种其它橡胶状聚合物组成,所述其它橡胶状聚合物选自天然橡胶 和卤代丁基橡胶。

    Tire tread compositions containing asymmetrically tin-coupled
polybutadiene rubber
    10.
    发明授权
    Tire tread compositions containing asymmetrically tin-coupled polybutadiene rubber 失效
    含有不对称锡偶联聚丁二烯橡胶的轮胎胎面组合物

    公开(公告)号:US6084022A

    公开(公告)日:2000-07-04

    申请号:US935172

    申请日:1997-09-22

    摘要: This invention relates to a tire tread compound that is easily processable which can be used to improve the treadwear, rolling resistance and traction characteristics of tires. The tire tread compounds of this invention are a blend of tin-coupled polybutadiene, high vinyl polybutadiene and natural rubber. This blend of low glass transition temperature rubber and high glass transition temperature rubber is surprisingly easy to process which makes the concept of this invention commercially feasible. Thus, the tire tread compounds of this invention can be utilized in making tires having greatly improved traction characteristics and treadwear without sacrificing rolling resistance. These improved properties may be due, in part, to better interaction and compatibility with carbon black and/or silica fillers. The polybutadiene in the blend can be asymmetrical tin-coupled to further improve the cold flow characteristics of the rubber blend. Asymmetrical tin coupling in general also leads to better processability and other beneficial properties. This invention more specifically discloses a tire tread rubber composition which is comprised of (1) from about 20 phr to about 60 phr of tin-coupled polybutadiene rubber, (2) from about 20 phr to about 60 phr of a rubber selected from the group consisting of natural rubber and synthetic polyisoprene and (3) from about 5 phr to about 40 phr of high vinyl polybutadiene rubber.

    摘要翻译: 本发明涉及一种易于加工的轮胎胎面胶,其可用于改善轮胎的胎面磨损,滚动阻力和牵引特性。 本发明的轮胎胎面胶料是锡偶合的聚丁二烯,高乙烯基聚丁二烯和天然橡胶的混合物。 这种低玻璃化转变温度橡胶和高玻璃化转变温度橡胶的混合物令人惊奇地易于加工,这使得本发明的概念在商业上可行。 因此,本发明的轮胎胎面胶料可用于制造具有极大改善的牵引特性和胎面磨损的轮胎,而不会牺牲滚动阻力。 这些改进的性质可能部分是由于与炭黑和/或二氧化硅填料的更好的相互作用和相容性。 共混物中的聚丁二烯可以是不对称的锡偶联,以进一步改善橡胶共混物的冷流特性。 不对称锡偶联一般也会导致更好的加工性能和其他有益的性能。 本发明更具体地公开了一种轮胎胎面橡胶组合物,其包含(1)约20phr至约60phr的锡偶联的聚丁二烯橡胶,(2)约20phr至约60phr的选自下组的橡胶: 由天然橡胶和合成聚异戊二烯组成,(3)约5phr至约40phr的高乙烯基聚丁二烯橡胶。