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    Technique for manufacturing hose
    1.
    发明授权
    Technique for manufacturing hose 失效
    制造软管技术

    公开(公告)号：US06092554A

    公开(公告)日：2000-07-25

    申请号：US4237

    申请日：1998-01-09

    申请人： Kevin James Pyle ,  Mark Samuel Sinsky ,  Paul Harry Sandstrom

    发明人： Kevin James Pyle ,  Mark Samuel Sinsky ,  Paul Harry Sandstrom

    IPC分类号： C08J3/20 ,  B29C47/00 ,  B29C47/20 ,  B29D23/00 ,  C08J3/24 ,  C08K3/04 ,  C08K3/06 ,  C08K3/22 ,  C08K5/01 ,  C08K5/09 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  F16L11/04 ,  F16L11/127

    CPC分类号： F16L11/127 ,  B29C47/0004 ,  B29C47/0023 ,  B29C47/0026 ,  B29C47/20 ,  C08L23/16 ,  F16L11/04 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10 ,  C08L23/12

    摘要： Hoses are often reinforced with fabric to improve their performance characteristics, such as burst strength. For instance, radiator hose used in automotive applications is generally reinforced with continuous yarn. However, it is a labor-intensive process to manufacture such hoses which include fiber reinforcements. A substantial amount of material waste also generally occurs in the manufacture of such fiber-reinforced hose. By utilizing the technique of this invention, hose which has a high level of burst strength can be manufactured without including continuous yarn reinforcement. This invention specifically reveals a process for manufacturing a hose which comprises (1) extruding a rubber composition into the form of a tube, wherein the rubber composition is comprised of (a) a polypropylene/polyethylene alloy comprised of (i) a low melt index polyethylene and (ii) polypropylene, wherein the polypropylene is homogeneously dispersed throughout the polyethylene in the polypropylene/polyethylene alloy, (b) an EPDM rubber, (c) carbon black, (d) at least one curative, (e) zinc oxide, (f) a processing oil and (g) stearic acid; (2) shaping the tube into the geometric form desired for the hose; and (3) curing the rubber composition at a temperature within the range of 130.degree. C. to 210.degree. C. to produce the hose.

    摘要翻译： 软管通常用织物加强以改善其性能特征，例如破裂强度。 例如，用于汽车应用的散热器软管通常用连续纱线加强。 然而，制造这种包括纤维增强材料的软管是劳力密集的过程。 在这种纤维增强软管的制造中，通常也会发生大量的材料浪费。 通过利用本发明的技术，可以在不包括连续纱线增强的情况下制造具有高水平的破裂强度的软管。 本发明具体揭示了一种制造软管的方法，该方法包括（1）将橡胶组合物挤压成管的形式，其中橡胶组合物由（a）聚丙烯/聚乙烯合金组成，该聚丙烯/聚乙烯合金包括：（i）低熔点指数 聚乙烯和（ii）聚丙烯，其中聚丙烯均匀地分散在聚丙烯/聚乙烯合金中的整个聚乙烯中，（b）EPDM橡胶，（c）炭黑，（d）至少一种固化剂，（e）氧化锌， （f）加工油和（g）硬脂酸; （2）将管成形为软管所需的几何形状; 和（3）在130℃至210℃的温度下固化橡胶组合物以产生软管。

    Silica reinforced rubber composition and use in tires
    3.
    发明授权
    Silica reinforced rubber composition and use in tires 失效
    二氧化硅增强橡胶组合物和用于轮胎

    公开(公告)号：US5756589A

    公开(公告)日：1998-05-26

    申请号：US716692

    申请日：1996-09-19

    申请人： Paul Harry Sandstrom ,  David John Zanzig ,  Mark Samuel Sinsky

    发明人： Paul Harry Sandstrom ,  David John Zanzig ,  Mark Samuel Sinsky

    IPC分类号： B60C1/00 ,  C08K3/00 ,  C08K3/36 ,  C08K5/5419 ,  C08L9/00 ,  C08F8/30

    CPC分类号： B60C1/0016 ,  C08L9/00

    摘要： The present invention relates to a rubber composition containing substantial silica reinforcement and pneumatic tires having treads comprised of such rubber composition. The rubber composition comprises an elastomer, substantial silica reinforcement, optionally a minor amount of carbon black reinforcement, and a triblock copolymer of terminal hard styrene based segments and of internal diene based elastomer segments.

    摘要翻译： 本发明涉及含有大量二氧化硅增强物和具有由这种橡胶组合物构成的胎面的充气轮胎的橡胶组合物。 橡胶组合物包括弹性体，实质的二氧化硅增强物，任选地少量的炭黑增强物，以及末端硬质苯乙烯基链段和内部二烯基弹性体链段的三嵌段共聚物。

    Tire sidewall compounds having improved flex fatigue and tread compound having improved tear strength
    6.
    发明授权
    Tire sidewall compounds having improved flex fatigue and tread compound having improved tear strength 有权
    轮胎侧壁化合物具有改善的挠曲疲劳和具有改善的撕裂强度的胎面胶料

    公开(公告)号：US06939920B2

    公开(公告)日：2005-09-06

    申请号：US09756334

    申请日：2001-01-08

    申请人： Kevin James Pyle ,  Richard Robinson Smith ,  Paul Harry Sandstrom

    发明人： Kevin James Pyle ,  Richard Robinson Smith ,  Paul Harry Sandstrom

    IPC分类号： B60C1/00 ,  C08L7/00 ,  C08L9/00 ,  B60C11/00 ,  B60C13/00 ,  C08F136/06

    CPC分类号： B60C1/0025 ,  B60C1/0016 ,  C08L7/00 ,  C08L9/00 ,  Y10S152/905 ,  C08L2666/08

    摘要： Sidewalls of a pneumatic tire have greater resistance to failure due to dynamic flexing and abrasion, and the tire's tread has better resistance to tearing than with conventionally used rubber compositions, when sidewalls and tread are formed from a compound having a major proportion by weight of synthetic rubber (SR) and a minor proportion by weight of natural rubber (NR), and a major proportion by weight of the SR itself consists essentially of a high cis-1,4-polybutadiene having defined molecular architecture. The high cis-1,4-PBD has more than 90 percent cis-structure, a poly-dispersity in the range from about 3 to 5, a number average molecular weight Mn in the range from 100,000 to 150,000 and a degree of branching in the range from 2 to 3.5. The sidewall compound has characteristics quite different from one made with a typical commercially available high cis-1,4-PBD; and the tread has excellent tear strength. The dendritic structure of the high HI cis-1,4-PBD molecules has an unexpectedly beneficial effect on the performance characteristics of the sidewall and tread, particularly important in a high-performance automobile tire.

    摘要翻译： 充气轮胎的侧壁由于动态弯曲和磨损而具有更大的抗故障能力，并且当胎面和胎面由具有主要重量比的合成物的化合物形成时，轮胎的胎面具有比常规使用的橡胶组合物更好的耐撕裂性 橡胶（SR）和较小比重的天然橡胶（NR），并且主要重量的SR本身基本上由具有确定的分子结构的高顺式-1,4-聚丁二烯组成。 高顺式-1,4- PBD具有90％以上的顺式结构，多分散度在约3至5范围内，数均分子量Mn在100,000至150,000范围内，分支度 范围从2到3.5。 侧壁化合物具有与用典型的市售高顺式-1,4- PBD制成的特征完全不同的特征; 并且胎面具有优异的撕裂强度。 高HI顺式-1,4- PBD分子的树枝状结构对侧壁和胎面的性能特征具有意想不到的有益效果，在高性能汽车轮胎中尤其重要。