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    • 7. 发明申请
    • GUAYULE RESIN MULTIPOLYMER
    • GUAYULE树脂多元醇
    • US20090099309A1
    • 2009-04-16
    • US11873013
    • 2007-10-16
    • RONALD W. GUMBS
    • RONALD W. GUMBS
    • C08L93/04
    • C08F253/00C08L93/00C09D11/106C09D17/00C09F1/04C08F220/14C08F220/16C08F216/18C08F222/06C08F212/08
    • A method for preparing multipolymers of guayule resin with methacrylic, acrylic, vinyl and styrenic monomers and the resultant compositions are disclosed. As a result of the multipolymerization, the physical and chemical properties of the resin are improved. The primary advantage of multipolymerization over mixtures of resin with homopolymers is that it leads to a homogeneous material, the properties of which can be regulated by adjusting the ratio of the concentration of monomers in the feed. One attractive feature is the production of low viscosity resins with reactive groups that can compete directly with oligomers and macro-monomers used in solventless inks, coatings and adhesives. The low cost of the resin, a byproduct from the extraction of hypoallergenic rubber from guayule and other plants bearing rubber or rubber-like hydrocarbons provides for hybrid low molecular weight copolymers that are cost competitive with state-of-the-art oligomers.
    • 公开了一种用甲基丙烯酸,丙烯酸,乙烯基和苯乙烯类单体制备瓜耳树脂的多聚物的方法和所得组合物。 作为多聚聚合的结果,树脂的物理和化学性质得到改善。 多聚聚合与树脂与均聚物混合物的主要优点在于其可导致均匀的材料,其性质可以通过调节进料中单体浓度的比例来调节。 一个有吸引力的特征是生产具有反应性基团的低粘度树脂,其可以与用于无溶剂油墨,涂料和粘合剂的低聚物和大分子单体直接竞争。 树脂的低成本,来自鱼丸的低变应原性橡胶和其它带有橡胶或橡胶状烃的植物提取的副产物提供了与最先进的低聚物成本竞争的混合低分子量共聚物。
    • 10. 发明申请
    • Pneumatic tire
    • 气动轮胎
    • US20070221310A1
    • 2007-09-27
    • US11798841
    • 2007-05-17
    • Kenichi HattoriKentarou MitsuiTomohiro Kusano
    • Kenichi HattoriKentarou MitsuiTomohiro Kusano
    • B60C9/00
    • C08C19/28B60C1/00C08F253/00C08L19/006C08L21/00C08L51/04Y02T10/862C08L2666/08C08L2666/02
    • A pneumatic tire which offers extremely excellent durability through inclusion of a belt portion composed of a rubber composition having excellent reinforcing properties, high hardness, low heat build-up properties, excellent deterioration resistance, and excellent adhesiveness to steel cords, wherein the rubber composition contains a natural rubber prepared by graft polymerizing a natural rubber latex with a polar group-containing monomer, and solidifying and drying the resulting product. A pneumatic tire which offers excellent rolling resistance through inclusion of a ply coating rubber, squeegee rubber, or tie rubber composed of a rubber composition containing a modified natural rubber prepared by graft polymerizing a natural rubber latex with a polar group-containing monomer, and solidifying and drying the resulting product.
    • 一种充气轮胎,其通过包括由具有优异的增强性能,高硬度,低发热性能,优异的耐劣化性和对钢丝帘线的优异粘合性的橡胶组合物构成的带部分而提供极好的耐久性,其中橡胶组合物含有 天然橡胶,其通过将天然橡胶胶乳与含极性基团的单体接枝聚合制备,并固化并干燥所得产物。 一种充气轮胎,其通过包含由包含通过将天然橡胶胶乳与含极性基团的单体接枝聚合制备的改性天然橡胶的橡胶组合物组成的层状涂层橡胶,橡胶刮板橡胶或粘合橡胶提供优异的滚动阻力,并且固化 并干燥所得产物。