Light-colored hydrocarbon and terpene resins decolorized by iodine
compounds
    1.
    发明授权
    Light-colored hydrocarbon and terpene resins decolorized by iodine compounds 失效
    由碘化合物脱色的浅色烃和萜烯树脂

    公开(公告)号:US4482688A

    公开(公告)日:1984-11-13

    申请号:US383438

    申请日:1982-06-01

    CPC分类号: C08F240/00 C08K3/02

    摘要: Resins prepared by cationic polymerization of pure or combined feeds of C.sub.5 -C.sub.10 hydrocarbons are decolorized by use of iodine or bromine or their compounds. Activation by heat or radiation is usual. The decolorizing agents may be added prior to or during the polymerization process or to the polymerized resin before or after isolation.

    摘要翻译: 通过使用碘或溴或其化合物对纯净或组合的C5-C10烃进料的阳离子聚合制备的树脂进行脱色。 通过热或辐射激活是通常的。 脱色剂可以在聚合过程之前或期间加入,或在分离之前或之后加入到聚合树脂中。

    Esterification of rosin
    2.
    发明授权
    Esterification of rosin 失效
    松香酯化

    公开(公告)号:US5504152A

    公开(公告)日:1996-04-02

    申请号:US370733

    申请日:1995-01-10

    IPC分类号: C09F1/04 C09J11/08 C09J121/00

    CPC分类号: C09J11/08 C09F1/04 C09J121/00

    摘要: The specification discloses a method for esterifying rosins with a polyol which comprises contacting rosin with the polyol in the presence of a bleaching mixture which includes both an alkaline earth hypophosphite and hypophosphorous acid and, preferably also, an organic sulfide, under esterification conditions to produce a rosin ester. The method enables production of rosin esters which have a color of less than about 5 Gardner neat. The preferred bleaching mixture includes from about 0.01% to about 0.10% of the alkaline earth hypophosphite and from about 0.10% to about 0.15% of active hypophosphorous acid, where the amounts are based on the weight of the rosin. The most preferred alkaline earth hypophosphite is calcium hypophosphite. The specification also describes a method for preparing an adhesive from the rosin ester.

    摘要翻译: 该说明书公开了一种用多元醇酯化松香的方法,该方法包括在酯化条件下,在含有碱土次磷酸盐和次磷酸的碱性亚磷酸盐和优选还有机硫化物的漂白混合物的存在下,使松香与多元醇接触, 松香酯。 该方法能够生产具有小于约5加纳德整洁的颜色的松香酯。 优选的漂白混合物包括约0.01%至约0.10%的碱土次磷酸盐和约0.10%至约0.15%的活性次磷酸,其中量基于松香的重量。 最优选的碱土次磷酸盐是次磷酸钙。 本说明书还描述了从松香酯制备粘合剂的方法。

    Particleized resin having improved properties and method of producing
same
    4.
    发明授权
    Particleized resin having improved properties and method of producing same 失效
    具有改进性能的颗粒化树脂及其制备方法

    公开(公告)号:US5959010A

    公开(公告)日:1999-09-28

    申请号:US846634

    申请日:1997-04-30

    CPC分类号: C08L93/04 C08L23/06

    摘要: Reduction of dust formation for particleized resin is achieved by adding low density high molecular weight polyethylene to molten resin at a temperature and under conditions sufficient to cause the polyethylene to become dispersed within the resin. The resin/polyethylene mixture is then formed into solid particles. The addition of low density, high molecular weight polyethylene significantly reduces the generation of dust during handling, such as in the particleizing and packaging stages of the manufacturing process, while providing resin particles with higher effective softening points as compared to resin particles augmented with polyethylene wax.

    摘要翻译: 通过在足以使聚乙烯分散在树脂内的温度和条件的温度和温度下,向熔融树脂中加入低密度高分子量聚乙烯来实现颗粒化树脂的粉尘形成的减少。 然后将树脂/聚乙烯混合物形成固体颗粒。 加入低密度,高分子量聚乙烯显着地减少了处理过程中的粉尘的产生,例如在制造过程的颗粒化和包装阶段,同时提供具有较高有效软化点的树脂颗粒与增加聚乙烯蜡的树脂颗粒相比较 。

    Isomerized terpene tackifier resins
    5.
    发明授权
    Isomerized terpene tackifier resins 失效
    异构萜烯增粘剂树脂

    公开(公告)号:US4879351A

    公开(公告)日:1989-11-07

    申请号:US232024

    申请日:1988-08-15

    IPC分类号: C08F8/48

    摘要: A novel copolymer resin which has excellent tackifying properties for selected elastomers useful in hot melt and pressure sensitive adhesives is produced by the copolymerization of beta-pinene with other terpenes or hydrocarbon monomers, followed by thermal catalytic isomerization of the resin produced. Typically, beta-pinene and styrene (80/20) are copolymerized at a temperature between 0.degree. to 60.degree. C. under anhydrous conditions with a Lewis acid catalyst in a solvent. After catalyst removal, the copolymer resin is isomerized with iodine as a catalyst at a temperature between 200.degree. to 260.degree. C. Excellent yields of high softening point tackifier resins are produced.

    摘要翻译: 通过β-蒎烯与其他萜烯或烃单体的共聚合,然后将所生产的树脂进行热催化异构化,得到对热熔和压敏粘合剂有用的选择的弹性体具有优异的增粘性能的新型共聚物树脂。 通常,β-蒎烯和苯乙烯(80/20)在0至60℃的温度下在无水条件下与路易斯酸催化剂在溶剂中共聚。 催化剂除去后,共聚物树脂在200〜260℃的温度下用碘作为催化剂异构化。生产出高产率的高软化点增粘树脂。