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    • 1. 发明授权
    • Elastomer polyolefin blends
    • 弹性体聚烯烃共混物
    • US4798864A
    • 1989-01-17
    • US105233
    • 1987-10-07
    • Barry Topcik
    • Barry Topcik
    • C08L23/16C08L43/04C08L51/06C08L23/26
    • C08L23/16C08L23/06C08L23/0892C08L43/04C08L51/06C08L2205/03
    • An elastomer blend comprising:(a) a polyolefin selected from the group consisting of (i) polyethylene; (ii) a hydrolyzable copolymer of ethylene and silane; and (iii) a hydrolyzable silane modified polyethylene; and(b) an ethylene-propylene-diene terpolymer rubber, with or without silane modification, said terpolymer when silane modified being hydrolyzable, provided that, when component (a) is polyethylene, the terpolymer is silane modified,the blend of components (a) and (b) having the following physical properties:(i) Secant Modulus in the range of about 100 psi to about 10,000 psi;(ii) 100% Modulus in the range of about 100 psi to about 1500 psi; and(iii) Shore A hardness in the range of about 10 to about 100.
    • 一种弹性体共混物,其包含:(a)选自以下的聚烯烃:(i)聚乙烯; (ii)乙烯和硅烷的可水解共聚物; 和(iii)可水解硅烷改性聚乙烯; (a)是聚乙烯时,三元共聚物是硅烷改性的,组分的共混物(a(a))和(b)当硅烷改性可水解时,所述三元共聚物具有或不具有硅烷改性的乙烯 - 丙烯 - )和(b)具有以下物理性质:(i)约100psi至约10,000psi范围内的正割模量; (ii)在约100psi至约1500psi范围内的100%模量; 和(iii)肖氏A硬度在约10至约100的范围内。
    • 2. 发明授权
    • Process for extruding a thermoplastic copolymer
    • 挤出热塑性共聚物的方法
    • US4873042A
    • 1989-10-10
    • US173148
    • 1988-03-25
    • Barry Topcik
    • Barry Topcik
    • B29C47/10B29C47/86C08L43/04
    • C08L43/04B29C47/0021B29C47/1063B29C47/822B29C47/86B29C47/862B29C47/8805B29C47/0009B29K2105/0005
    • A process for extruding a hydrolyzable particulate thermolastic copolymer coated with an organic peroxide, which, under extrusion conditions, will provide essentially no crosslinking per se, but will decompose to provide a silanol condensation catalyst, including passing the coated copolymer through an extruder having a die at about its downstream end with the proviso that the extruder is operated under such conditions that (i) the temperature of the extruder before the die is maintained at a level sufficient to extrude the copolymer, but below the decomposition temperature of the organic peroxide; (ii) the temperature of the extruder at or after the die is maintained at or above the decomposition temperature of the peroxide; and (iii) there is sufficient moisture in the environment to crosslink the copolymer in the presence of a silanol condensation catalyst.
    • 一种用有机过氧化物涂覆的可水解微粒热塑性共聚物的方法,其在挤出条件下将基本上不提供交联本身,但将分解以提供硅烷醇缩合催化剂,包括使涂覆的共聚物通过具有模具的挤出机 在大约其下游端,条件是挤出机在这样的条件下操作:(i)模具前的挤出机的温度保持在足以挤出共聚物但低于有机过氧化物的分解温度的水平; (ii)挤出机在模具或模具后的温度保持在或高于过氧化物的分解温度; 和(iii)在硅烷醇缩合催化剂存在下,环境中有足够的水分使共聚物交联。
    • 3. 发明授权
    • Roofing membranes
    • 屋顶膜
    • US4722961A
    • 1988-02-02
    • US874389
    • 1986-06-16
    • Barry Topcik
    • Barry Topcik
    • C08L23/02C08L23/08C08L23/16C08L43/04C08L51/06E04D5/06
    • E04D5/06C08L23/08C08L23/16C08L43/04C08L51/06C08L23/02
    • A roofing membrane composition comprising:(a) a first hydrolyzable polyolefin having a density less than or equal to 0.92 selected from the group consisting of (i) a copolymer of ethylene or propylene and silane and (ii) a silane modified polyethylene, polypropylene, or ethylene/propylene copolymer wherein, in (i) or (ii), the silane is present in an amount of about 0.5 to about 10 percent by weight based on the weight of the first polyolefin, said first polyolefin being present in the composition in an amount of about 20 to about 90 percent by weight based on the weight of the composition;(b) a second polyolefin selected from the group consisting of:(i) an ethylene-propylene-diene terpolymer rubber;(ii) a copolymer of ethylene and vinyl acetate; and(iii) a copolymer of ethylene and ethyl acrylate;said second polyolefin being present in the composition in an amount of about 10 to about 80 percent by weight based on the combined weight of the first and second polyolefins;(c) a particulate filler selected from the group consisting of carbon black and non-black reinforcing fillers, and mixtures thereof; and(d) an oil compound suitable for roofing membranes selected from the group consisting of paraffin oils, naphthenic oils, and liquid polybutene.
    • 一种屋顶膜组合物,其包含:(a)密度小于或等于0.92的第一可水解聚烯烃,其选自(i)乙烯或丙烯与硅烷的共聚物和(ii)硅烷改性聚乙烯,聚丙烯, 或乙烯/丙烯共聚物,其中在(i)或(ii)中,基于第一聚烯烃的重量,硅烷的存在量为约0.5至约10重量%,所述第一聚烯烃存在于组合物中 基于组合物的重量约20至约90重量%的量; (b)选自以下的第二聚烯烃:(i)乙烯 - 丙烯 - 二烯三元共聚物橡胶; (ii)乙烯和乙酸乙烯酯的共聚物; 和(iii)乙烯和丙烯酸乙酯的共聚物; 基于第一和第二聚烯烃的总重量,所述第二聚烯烃以约10至约80重量%的量存在于组合物中; (c)选自碳黑和非黑增强填料的颗粒填料及其混合物; 和(d)适合于选自石蜡油,环烷油和液体聚丁烯的屋顶膜的油性化合物。