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    • 7. 发明授权
    • Crosslinked polysulfide-containing cycloaliphatic compound, process for its preparation, filled sulfur-vulcanizable elastomer composition containing same and articles fabricated therefrom
    • 交联的含多硫化物的脂环族化合物,其制备方法,包含其的填充的可硫磺化弹性体组合物和由其制备的制品
    • US08470197B2
    • 2013-06-25
    • US12290367
    • 2008-10-30
    • Richard W. CruseWilliam Michael YorkCarla ReckerThomas KramerKatharina Herzog
    • Richard W. CruseWilliam Michael YorkCarla ReckerThomas KramerKatharina Herzog
    • C08G75/14
    • C08G75/14Y10T428/139
    • A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(CaH2a-)mG1(-CbH2bSx—)n−m]o[CcH2c-G2-CdH2dSy—]p[R]q wherein G1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; G2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positive integer, p is 0 or a positive integer; q is a positive integer; r is an integer of from 0 to 3; x is 1 to 10 and y is 1 to 10, with the provisos that, (i) at least one x is 2 to 10; (ii) the ratio of p to o is less than 1 to 5; and q is equal to the sum of unfilled valences of the (CaH2a-)mG1(-CbH2bSx—)n−m and CcH2c-G2-CdH2dSy— groups.
    • 可用作填充的硫可硫化弹性体组合物的交联剂的交联的含多硫醚的脂环族化合物由以下通式表示:[(CaH2a)mG1(-CbH2bSx-)nm] o [CcH2c-G2-CdH2dSy-] p [R] q,其中G1是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的价数n的饱和单环脂族基团n; G 2是含有5至12个碳原子并且任选地含有至少一个卤素或饱和单环硅氧烷[RSiO - ] n [R 2 SiO] - 基的价数n的饱和二价环状脂肪族基团; 每个R独立地选自氢原子,至多20个碳原子的一价烃和卤素原子; 每个出现的下标a,b,c,d,m,n,o,p,q,x和y独立地是其中a是2至6的整数; b为2〜6; c为1〜6; d为1〜6; m为1或2; n为3〜5; o是正整数,p是0或正整数; q是正整数; r为0〜3的整数; x为1至10且y为1至10,条件是(i)至少一个x为2至10; (ii)p与o之比小于1至5; 且q等于(CaH2a)mG1(-CbH2bSx-)n-m和CcH2c-G2-CdH2dSy-基团的未饱和化合价的总和。
    • 8. 发明授权
    • Tire composition with improved vulcanizing agent
    • 具有改进硫化剂的轮胎组合物
    • US08182626B2
    • 2012-05-22
    • US12290427
    • 2008-10-30
    • Carla ReckerWilliam Michael YorkThomas KramerKatharina HerzogBoris MergellRichard W. Cruse
    • Carla ReckerWilliam Michael YorkThomas KramerKatharina HerzogBoris MergellRichard W. Cruse
    • B29C35/00B29C35/02C08J3/24
    • B60C1/0016B29B7/7495C08K3/013C08K5/0025C08K5/36C08K5/372C08K5/42C08K5/549C08L21/00
    • A tire composition with a Shore A hardness, according to DIN 53 505 and ASTM D2240, of not less than 40 and not greater than 95 and a glass-transition temperature Tg (E″max), according to DIN 53 513 with a specified temperature sweep of −80° C. to +80° C. and a specified compression of 10+0.2% at 10 Hz, not less than −80° C. and not greater than 0° C., with improved abrasion performance, in particular for pneumatic tires, has the following composition: at least one vulcanizable diene rubber selected from natural rubbers, synthetic polyisoprene rubbers, polyisobutylene rubbers, polybutadiene rubbers (BR), and random styrene-butadiene rubbers; from 35 to 300 phr of at least one active filler selected from carbon blacks, silicas, silicon based fillers, and metal oxides, of which at least 10 phr must be carbon blacks, silicas, or some combination thereof; from 0 to 250 phr of other or further additives; from 0.1·10−3 to 42·10−3 mhr (mol per hundred parts of rubber) of a vulcanizing agent which crosslinks with a functionality>4; and from 0.1 to 10 phr of at least one vulcanization accelerator.
    • 根据DIN 53505和ASTM D2240,具有不低于40且不大于95的肖氏A硬度和根据DIN 53 513的玻璃化转变温度Tg(E“max)的具有特定温度的轮胎组合物 扫描-80°C至+ 80°C,在10 Hz,不低于-80°C和不高于0°C的特定压缩10 + 0.2%,具有改进的耐磨性能 对于充气轮胎具有以下组成:至少一种选自天然橡胶,合成聚异戊二烯橡胶,聚异丁烯橡胶,聚丁二烯橡胶(BR)和无规苯乙烯 - 丁二烯橡胶的可硫化二烯橡胶; 35至300phr的至少一种选自炭黑,二氧化硅,硅基填料和金属氧化物的活性填料,其中至少10phr必须是炭黑,二氧化硅或其一些组合; 0至250phr的其它或其它添加剂; 0.1〜10-3〜42×10-3 mhr(摩尔/百份橡胶)的功能> 4交联的硫化剂; 和0.1至10phr的至少一种硫化促进剂。