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    • 1. 发明申请
    • Ethylene/alkyl acrylate copolymers, compounds and vulcanizates thereof
    • 乙烯/丙烯酸烷基酯共聚物,其化合物和硫化产品
    • US20070004853A1
    • 2007-01-04
    • US11478949
    • 2006-06-30
    • Yun-Tai WuMark StewartYi Ye
    • Yun-Tai WuMark StewartYi Ye
    • C08F118/02
    • C08F210/02C08K3/04C08K5/0016C08K5/16C08L23/0869C08L2666/02C08F220/12C08F220/14C08F2500/12C08F2500/04C08F2500/17
    • Disclosed are copolymers derived from ethylene and at least two different alkyl acrylate comonomers, with or without an acid cure site-containing comonomer. The copolymers can be derived from (a) from 10 to 50 weight % of ethylene; (b) 20 to 30 weight % of a first alkyl acrylate having from 1 to 4 carbons in the alkyl group; from 35 to 45 weight % of a second different alkyl acrylate having from 1 to 4 carbons in the alkyl group; and (d) from 0 to 5 weight % of a 1,4-butene-dioic acid moiety, or anhydride or monoalkyl ester thereof; the remainder being ethylene: wherein the copolymer has a number average molecular weight (Mn) above 40,000. Also disclosed are compounded compositions comprising these copolymers and cured compositions (i.e., vulcanizates) as well as rubber articles formed from these compounded compositions, such as constant velocity joint boots and shaft boots, hoses, dampers, seals and gaskets. These copolymers provide improved dynamic fatigue resistance of cured compounds while maintaining an expanded operating temperature range and oil resistance. Blends of other polymers with these copolymers are also disclosed.
    • 公开了衍生自乙烯和至少两种不同的丙烯酸烷基酯共聚单体的共聚物,具有或不具有酸固化位点的共聚单体。 共聚物可以衍生自(a)10至50重量%的乙烯; (b)20〜30重量%的烷基中具有1〜4个碳原子的丙烯酸烷基酯; 35至45重量%的烷基中具有1至4个碳的第二种不同的丙烯酸烷基酯; 和(d)0至5重量%的1,4-丁烯二酸部分,或其酸酐或单烷基酯; 其余为乙烯:其中该共聚物具有高于40,000的数均分子量(M N n N)。 还公开了包含这些共聚物和固化组合物(即硫化橡胶)的复合组合物以及由这些复合组合物形成的橡胶制品,例如恒速接头靴和轴靴,软管,阻尼器,密封件和垫圈。 这些共聚物在保持膨胀的工作温度范围和耐油性的同时提供了改进的固化化合物的动态抗疲劳性。 还公开了其它聚合物与这些共聚物的共混物。
    • 3. 发明申请
    • Ethylene/methyl acrylate/cure site copolymers and compounds and vulcanizates thereof
    • 乙烯/丙烯酸甲酯/固化部位共聚物及其化合物和硫化橡胶
    • US20070004855A1
    • 2007-01-04
    • US11479039
    • 2006-06-30
    • Yun-Tai WuMark StewartYi Ye
    • Yun-Tai WuMark StewartYi Ye
    • C09D5/02
    • C08L23/0869C08L23/08C08L2205/02C08L2666/06
    • Disclosed are copolymers derived from copolymerization of from about 50 to about 70 weight % of methyl acrylate; from about 0.5 to about 5 weight % of 1,4-butene-dioic acid moieties, or anhydrides or monoalkyl esters thereof; the remainder being ethylene, wherein the copolymer has a number average molecular weight from about 40,000 to about 65,000 and a melt index from about 1 to about 6 g/10 minutes. Also disclosed are compounded compositions comprising these copolymers, and cured compositions (i.e., vulcanizates) as well as rubber articles formed from these compounded compositions, such as hoses, dampers, boots, seals, and gaskets for automotive and nonautomotive applications. Blends of other polymers with these copolymers are also disclosed.
    • 公开了衍生自约50至约70重量%的丙烯酸甲酯的共聚的共聚物; 约0.5至约5重量%的1,4-丁二烯酸部分,或其酸酐或单烷基酯; 其余为乙烯,其中共聚物的数均分子量为约40,000至约65,000,熔体指数为约1至约6g / 10分钟。 还公开了包含这些共聚物和固化组合物(即硫化橡胶)的复合组合物以及由这些复合组合物形成的橡胶制品,例如用于汽车和非汽车应用的软管,阻尼器,靴子,密封件和垫圈。 还公开了其它聚合物与这些共聚物的共混物。
    • 4. 发明申请
    • Random ethylene/alkyl acrylate copolymers, compounds and elastomeric compositions thereof with improved low temperature properties
    • 无规乙烯/丙烯酸烷基酯共聚物,具有改进的低温性能的化合物和弹性体组合物
    • US20050020775A1
    • 2005-01-27
    • US10892006
    • 2004-07-15
    • Yun-Tai WuMark StewartDavid MitchellEdward McBride
    • Yun-Tai WuMark StewartDavid MitchellEdward McBride
    • C08F220/12C08L33/08C08L23/00C08F118/02C08L23/04C08L27/04C08L33/04C08L35/02
    • C08L33/08C08F220/12
    • Disclosed are random copolymers derived from ethylene and at least two different alkyl acrylate comonomers, with or without an acid cure site-containing comonomer. In particular, disclosed are copolymers derived from copolymerization of (a) from 10 to 50 weight % of ethylene; (b) from 5 to 55 weight % of a first alkyl acrylate; (b) from 15 to 80 weight % of a second alkyl acrylate; and (d) from 0 to 7 weight % of a monoalkyl ester of 1,4-butene-dioic acid. Such copolymers exhibit lower glass transition temperatures (Tg) relative to previous ethylene copolymers comprising a single alkyl acrylate comonomer and maintain the good heat and fluid resistance when employed to produce cured elastomeric compositions as well as the improved low temperature properties. This invention also provides compounded compositions comprising these copolymers, and cured compositions (i.e., vulcanizates) as well as rubber articles formed from these compounded compositions, such as hoses, dampers, seals, gaskets, constant velocity joint (CVJ) boots and shaft boots.
    • 公开了衍生自乙烯和至少两种不同的丙烯酸烷基酯共聚单体的无规共聚物,具有或不具有含酸固化位点的共聚单体。 特别地,公开了衍生自(a)10至50重量%的乙烯的共聚合的共聚物; (b)5至55重量%的第一丙烯酸烷基酯; (b)15至80重量%的第二丙烯酸烷基酯; 和(d)0至7重量%的1,4-丁二烯酸的单烷基酯。 这种共聚物相对于包含单一烷基丙烯酸酯共聚单体的先前乙烯共聚物显示较低的玻璃化转变温度(Tg),并且当用于产生固化的弹性体组合物以及改进的低温性能时,保持良好的耐热和耐流体性。 本发明还提供了包含这些共聚物和固化组合物(即硫化橡胶)的复合组合物以及由这些复合组合物形成的橡胶制品,例如软管,阻尼器,密封件,垫圈,等速万向节(CVJ)靴和轴靴。
    • 5. 发明授权
    • Conditional telecommunications
    • 有条件的电讯
    • US09148288B2
    • 2015-09-29
    • US13600127
    • 2012-08-30
    • Mark Stewart
    • Mark Stewart
    • H04L12/16H04M3/42H04M3/46
    • H04L12/16H04M3/42246H04M3/42263H04M3/46H04M2207/20
    • A subscriber of a telecommunication system has a plurality of associated telecommunication devices which are each contactable via a device-shared identification address. A first device can communicate with a telecommunications network. A second device can communicate with a packet-switched network and a circuit-switched network. A control system receives an incoming telecommunication request associated with an incoming telecommunication request directed to the address, which has been routed to the control system based on the address. A first control phase is initiated where a first outgoing telecommunication request is transmitted over the telecommunications network to the first device and an operation is performed to at least attempt to transmit a second outgoing telecommunication request over the packet-switched network to the second device. If the operation is deemed to be unsuccessful, a second control phase is initiated where a third outgoing telecommunication request is transmitted over the circuit-switched network to the second device.
    • 电信系统的订户具有多个相关联的电信设备,每个通信设备可以经由设备共享的标识地址来接触。 第一设备可以与电信网络进行通信。 第二设备可以与分组交换网络和电路交换网络进行通信。 控制系统接收与针对地址的进入电信请求相关联的进入电信请求,该请求已经基于该地址被路由到控制系统。 启动第一控制阶段,其中通过电信网络将第一传出电信请求发送到第一设备,并且执行操作以至少尝试通过分组交换网络向第二设备发送第二输出电信请求。 如果操作被认为不成功,则启动第二控制阶段,其中第三输出电信请求通过电路交换网络发送到第二设备。
    • 8. 发明申请
    • Extension applicator
    • 延长涂抹器
    • US20070074363A1
    • 2007-04-05
    • US11243807
    • 2005-10-05
    • Mark Stewart
    • Mark Stewart
    • A47K7/02
    • A61M35/003
    • An extension applicator has an elongate handle (1, 19, 30) with an applicator end (3) having an attachment section (4, 48) to which an applicator attachment (5) and a mirror attachment (6) separately are attached detachably. An applicator base (7) is attached to the applicator attachment. A mirror base (8) is attached to the mirror attachment. The applicator base is structured for attachment of one of a class of attachable applicators (9). The mirror base is structured for attachment of a class of mirrors (10). The elongate handle can have a fixed shape or an adjustable shape. The attachment section is structured to receive either or both the applicator attachment and the mirror attachment.
    • 延伸施加器具有细长手柄(1,19,30),其上具有附接部分(4,48)的施用器端(3),分别附接有施用器附件(5)和反射镜附件(6)。 施用器基座(7)附接到施用器附件。 镜座(8)连接到镜子附件。 施加器基座被构造成用于附接一类可附接施用器(9)中的一个。 镜基座被构造成用于附接一类镜子(10)。 细长手柄可以具有固定的形状或可调节的形状。 附接部分构造成接收施用器附件和镜子附件中的一个或两者。