Foam rubber composition and a molded product of foam rubber
    1.
    发明授权
    Foam rubber composition and a molded product of foam rubber 失效
    泡沫橡胶组合物和泡沫橡胶的模制产品

    公开(公告)号:US6040351A

    公开(公告)日:2000-03-21

    申请号:US90996

    申请日:1998-06-05

    摘要: A foam rubber composition and a method for making same which is foamable to a high degree and a molded product made from the foam rubber composition wherein the compositions has: (A) a low-molecular Ethylene-propylene-5-ethylidene-2-norbornene terpolymer having a Mooney viscosity (ML.sub.1+4 at 100.degree. C.) of 20 to 40, an ethylene/propylene ratio by weight of 65/35 to 50/50, an iodine value of 20 to 30, and a Q value (Mw/Mn) not exceeding 3 as determined by gel permeation chromatography; (B) a high-molecular ethylene-propylene-5-ethylidene-2-norbornene terpolymer having a Mooney viscosity (ML.sub.1+4 at 100.degree. C.) of 100 to 300, an ethylene/propylene ratio by weight of 65/35 to 50/50, an iodine value of 20 to 30 and a Q value (Mw/Mn) of 6 to 10; (C) a vulcanizing system agent containing sulfur as a vulcanizer, and zinc carbamate and sulfenamide as accelerators; and (D) a foaming agent containing N, N'-dinitrosopentamethylenetetramine and urea.

    摘要翻译: 泡沫橡胶组合物及其制造方法高发泡性和由泡沫橡胶组合物制成的成型品,其中组合物具有:(A)低分子量乙烯 - 丙烯-5-亚乙基-2-降冰片烯 门尼粘度(100℃时ML1 + 4)为20〜40,乙烯/丙烯重量比为65/35〜50/50,碘值为20〜30,Q值(Mw / Mn)不超过3,通过凝胶渗透色谱法测定; (B)门尼粘度(100℃时ML1 + 4)为100〜300的高分子乙烯 - 丙烯-5-亚乙基-2-降冰片烯三元共聚物,乙烯/丙烯的重量比为65/35〜 50/50,碘值为20〜30,Q值(Mw / Mn)为6〜10; (C)硫化硫化剂的硫化体系试剂,氨基甲酸锌和次磺酰胺作为加速剂; 和(D)含有N,N'-二亚硝基五亚甲基四胺和尿素的发泡剂。

    Foamed rubber extruded product
    2.
    发明授权
    Foamed rubber extruded product 失效
    发泡橡胶挤出产品

    公开(公告)号:US6132847A

    公开(公告)日:2000-10-17

    申请号:US186881

    申请日:1998-11-06

    摘要: A formed rubber extruded product which is formed of a vulcanizate of a rubber blend comprising a sulfur-vulcanizable ethylene-propylene-type rubber (EPDM) as a starting rubber and a pyrolytic foaming agent. The vulcanizate has a specific gravity of from 0.9 to 1.0 and a surface roughness (RZD) of 14 micrometers or less. The rubber blend contains the pyrolytic foaming agent in the form of an inorganic powder-supported foaming agent. A particle diameter of the inorganic powder in the inorganic powder-supported foaming agent is approximately 9 micrometers or less, and a particle diameter of the pyrolytic foaming agent is approximately 8 micrometers or less. Further, crystalline PE is contained in an amount of from 6 to 30 parts per 100 parts of EPDM. The foamed rubber extruded product of the present invention can be produced by the extrusion at a high rate.

    摘要翻译: 一种形成的橡胶挤出产品,由橡胶混合物硫化橡胶制成,该橡胶混合物含有作为起始橡胶的可硫化乙烯 - 丙烯类橡胶(EPDM)和热解发泡剂。 硫化橡胶的比重为0.9〜1.0,表面粗糙度(RZD)为14微米以下。 橡胶混合物含有无机粉末负载发泡剂形式的热解发泡剂。 无机粉末负载发泡剂中的无机粉末的粒径为约9微米以下,热解发泡剂的粒径为约8微米以下。 此外,结晶PE的含量为每100份EPDM为6〜30份。 本发明的发泡橡胶挤出产品可以通过高速挤出制造。

    Foamed rubber blend containing and ethylene-propylene-diene polymer
blend and an article formed from a sulfur-vulcanized foamed rubber blend
    3.
    发明授权
    Foamed rubber blend containing and ethylene-propylene-diene polymer blend and an article formed from a sulfur-vulcanized foamed rubber blend 失效
    含发泡橡胶混合物和乙烯 - 丙烯 - 二烯聚合物共混物和由硫磺硫化的发泡橡胶共混物形成的制品

    公开(公告)号:US5973017A

    公开(公告)日:1999-10-26

    申请号:US972573

    申请日:1997-11-18

    IPC分类号: C08J9/10 C08J9/00 C08L23/16

    摘要: A foamed rubber blend comprising an EPDM is polymer blend comprising at least one high molecular weight component and at least one low molecular weight component is provided. The high molecular weight component has a weight average molecular weight (Mw) in a range of from about 400,000 to about 800,000 and a molecular weight distribution index (Mw/Mn) in a range of from about 5.5 to about 9.5. The low molecular weight component has a weight average molecular weight (Mw) in a range of from about 150,000 to about 500,000 and a molecular weight distribution index (Mw/Mn) in a range of from about 1.5 to about 5.5. The EPDM rubber has an overall weight average molecular weight (Mw) in a range of from about 200,000 to about 700,000. The ratio of the polymer blend in the foamed rubber blend is in a range of from about 33 wt % to about 60 wt %. The present invention is also directed to an article formed from a sulfur-vulcanized EPDM rubber blend having a compression set according to JIS K 6301 of not more than about 24%.

    摘要翻译: 包含EPDM的发泡橡胶共混物是包含至少一种高分子量组分和至少一种低分子量组分的聚合物共混物。 高分子量组分的重均分子量(Mw)为约400,000至约800,000,分子量分布指数(Mw / Mn)为约5.5至约9.5。 低分子量组分的重均分子量(Mw)为约150,000至约500,000,分子量分布指数(Mw / Mn)为约1.5至约5.5。 EPDM橡胶的总重均分子量(Mw)在约200,000至约700,000的范围内。 泡沫橡胶共混物中聚合物共混物的比例在约33wt%至约60wt%的范围内。 本发明还涉及由根据JIS K 6301的压缩永久变形的硫磺化EPDM橡胶共混物形成的制品不超过约24%。

    Rubber composition, vulcanizate, and air intake hose
    4.
    发明申请
    Rubber composition, vulcanizate, and air intake hose 审中-公开
    橡胶组合物,硫化橡胶和进气软管

    公开(公告)号:US20070232752A1

    公开(公告)日:2007-10-04

    申请号:US11806180

    申请日:2007-05-30

    IPC分类号: C08L51/04

    摘要: A rubber composition, including α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (A) having number average molecular weight of 50,000 to 150,000, α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (B) having number average molecular weight of 1,000 to 20,000, ethylene-α-olefin copolymer rubber (C), and a graft copolymer (D); wherein said graft copolymer (D) is obtained by performing graft copolymerization on a mixture of an aromatic vinyl compound and an α,β-ethylenically unsaturated nitrile monomer with an ethylene-propylene-unconjugated copolymer, and a content of structure units of said ethylene-propylene-unconjugated copolymer is 20 to 70 wt %; a ratio of the graft copolymer (D) with respect to 100 parts by weight in total of said rubber (A), rubber (B) and rubber (C) is 1 to 30 parts by weight; and a composition ratio of the rubber (A), rubber (B) and rubber (C) is rubber (A): 20 to 79 wt %, rubber (B): 1 to 30 wt %, and rubber (C): 20 to 50 wt %, is subjected to vulcanization molding, consequently, vulcanizate of the rubber composition having excellently balanced ozone resistance, flexing fatigue resistance and oil resistance can be provided.

    摘要翻译: 橡胶组合物,包括数均分子量为50,000〜150,000的α,β-烯属不饱和腈共轭二烯共聚物橡胶(A),具有数均分子量的α,β-烯键式不饱和腈共轭二烯共聚物橡胶(B) 1,000至20,000,乙烯-α-烯烃共聚物橡胶(C)和接枝共聚物(D); 其中所述接枝共聚物(D)通过在芳族乙烯基化合物和α,β-烯键式不饱和腈单体与乙烯 - 丙烯 - 非共轭共聚物的混合物上进行接枝共聚获得,并且所述乙烯 - 丙烯 - 非共轭共聚物为20〜70重量% 所述接枝共聚物(D)相对于所述橡胶(A),橡胶(B)和橡胶(C)的总量相对于100重量份的比例为1〜30重量份, 橡胶(A),橡胶(B)和橡胶(C)的组成比为橡胶(A):20〜79重量%,橡胶(B):1〜30重量%,橡胶(C):20 至50重量%,进行硫化成型,因此,可以提供具有良好的耐臭氧性,抗弯曲疲劳性和耐油性均衡的橡胶组合物的硫化橡胶。

    Rubber composition for glass-run
    5.
    发明授权
    Rubber composition for glass-run 失效
    用于玻璃运行的橡胶组合物

    公开(公告)号:US5623008A

    公开(公告)日:1997-04-22

    申请号:US558092

    申请日:1995-11-13

    摘要: Disclosed is (1) a rubber composition used for molding a glass-run equipped with a urethane lubricating layer on the sliding area of the glass, which comprises an EPDM and an adhesive modifier, wherein the adhesive modifier comprises glycidyl ether, and a metal hydroxide of a metal selected from metals of the III B group and the II A group and (2) a rubber composition used for molding a glass-run equipped with a urethane lubricating layer on the sliding area of the glass, which comprises an EPDM and an adhesive modifier, wherein the adhesive modifier comprises a glycidyl ether, a metal hydroxide of a metal selected from metals of the III B group and the II A group and an amine-containing compound as an epoxy group ring-opening accelerator, and further a glass-run comprising the above rubber composition.

    摘要翻译: 公开了(1)一种橡胶组合物,其用于在玻璃的滑动区域上模塑装备有聚氨酯润滑层的玻璃制品,其包含EPDM和粘合剂改性剂,其中粘合剂改性剂包括缩水甘油醚和金属氢氧化物 的选自IIIB族和IIA族的金属的金属和(2)用于在玻璃的滑动区域上成型具有聚氨酯润滑层的玻璃制品的橡胶组合物,其包含EPDM和 粘合剂改性剂,其中所述粘合剂改性剂包含缩水甘油醚,选自IIIB族和IIA族金属的金属的金属氢氧化物和作为环氧基开环促进剂的含胺化合物,还有一种玻璃 - 包含上述橡胶组合物。

    Mold for hot-runner injection molding machine and method for manufacturing the same
    6.
    发明授权
    Mold for hot-runner injection molding machine and method for manufacturing the same 有权
    热流道注塑机用模具及其制造方法

    公开(公告)号:US06533021B1

    公开(公告)日:2003-03-18

    申请号:US09662028

    申请日:2000-09-14

    IPC分类号: B22D1702

    摘要: A mold for a metal hot-runner injection molding machine includes a movable mold plate, a fixed mold plate having a nozzle for injecting molten metal into said cavity, and a heating device disposed outside the nozzle for heating metal. A gate cut portion is situated in the nozzle between the heating device and the tip. A temperature measurement device is arranged adjacent to the gate cut portion for measuring the temperature of the metal in the gate cut portion. A heating control device is connected to the heating device for controlling a temperature of the nozzle on a basis of the temperature measurement device. A heat insulation device is arranged on the nozzle to cover at least an area where the gate cut portion is formed. By controlling the temperature of the nozzle, metal injection molding without runner can be made.

    摘要翻译: 一种用于金属热流道注射成型机的模具包括可移动模板,具有用于将熔融金属注入所述空腔中的喷嘴的固定模板和设置在喷嘴外部用于加热金属的加热装置。 浇口切割部分位于加热装置和尖端之间的喷嘴中。 温度测量装置设置在栅极切割部分附近,用于测量栅极切割部分中的金属的温度。 加热控制装置连接到加热装置,用于基于温度测量装置控制喷嘴的温度。 在喷嘴上布置有绝热装置,以至少覆盖形成有切口部的区域。 通过控制喷嘴的温度,可以制造不带流道的金属注射成型。

    Process of producing surface modified weather strip for automobiles
    7.
    发明授权
    Process of producing surface modified weather strip for automobiles 失效
    生产汽车表面改性天气条的工艺

    公开(公告)号:US5536537A

    公开(公告)日:1996-07-16

    申请号:US405853

    申请日:1995-03-17

    摘要: A process of producing a surface-modified weather strip for automobiles is disclosed. The process comprises coating a silicone emulsion composition formed by mixing and dispersing the components (A) to (D) as defined hereinabove on the surface of a weather strip for automobiles, and heat curing the coating at a temperature of from 50.degree. to 250.degree. C. The weather strip thus produced has excellent durability, soundproof property, weather resistance, non-sticking property, antifreezing property, slipping property, abrasion resistance, etc.

    摘要翻译: 公开了一种生产用于汽车的表面改性耐候条带的方法。 该方法包括将通过将上述组分(A)至(D))混合并分散在汽车用耐候条的表面上而形成的硅氧烷乳液组合物,并在50℃至250℃的温度下热固化该涂层 C.这样生产的耐候条纹具有优异的耐久性,隔音性,耐候性,不粘性,防冻性,滑动性,耐磨性等。

    Rubber composition, vulcanizate, and air intake hose
    9.
    发明授权
    Rubber composition, vulcanizate, and air intake hose 失效
    橡胶组合物,硫化橡胶和进气软管

    公开(公告)号:US07232862B2

    公开(公告)日:2007-06-19

    申请号:US10829228

    申请日:2004-04-22

    IPC分类号: C08L51/00

    摘要: A rubber composition includes α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (A), α,β-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (B), ethylene-α-olefin copolymer rubber (C), and a graft copolymer (D). The graft copolymer (D) is obtained by performing graft copolymerization on a mixture of an aromatic vinyl compound and an α,β-ethylenically unsaturated nitrite monomer with an ethylene-propylene-unconjugated copolymer. A content of structure units of the ethylene-propylene-unconjugated copolymer is 20 to 70 wt %, a ratio of the graft copolymer (D) with respect to 100 parts by weight in total of said rubber (A), rubber (B) and rubber (C) is 1 to 30 parts by weight. A composition ratio of the rubber (A), rubber (B) and rubber (C) is rubber (A): 20 to 79 wt %, rubber (B): 1 to 30 wt %, and rubber (C): 20 to 50 wt %.

    摘要翻译: 橡胶组合物包括α,β-烯属不饱和腈共轭二烯共聚物橡胶(A),α,β-烯属不饱和腈共轭二烯共聚物橡胶(B),乙烯-α-烯烃共聚物橡胶(C)和接枝 共聚物(D)。 接枝共聚物(D)通过在芳族乙烯基化合物和α,β-烯属不饱和亚硝酸酯单体与乙烯 - 丙烯 - 非共轭共聚物的混合物上进行接枝共聚而获得。 乙烯 - 丙烯 - 非共轭共聚物的结构单元的含量为20〜70重量%,接枝共聚物(D)相对于所述橡胶(A),橡胶(B)和 橡胶(C)为1〜30重量份。 橡胶(A),橡胶(B)和橡胶(C)的组成比为橡胶(A):20〜79重量%,橡胶(B):1〜30重量%,橡胶(C):20〜 50重量%。