会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明授权
    • Process for extrusion
    • 挤出方法
    • US5575965A
    • 1996-11-19
    • US445140
    • 1995-05-19
    • Paul J. CaroniaSalvatore F. Shurott
    • Paul J. CaroniaSalvatore F. Shurott
    • B29C47/02B29C47/06C08L23/04H01B13/14
    • C08L23/0815B29C47/02B29C47/065H01B13/141B29C47/0014B29C47/0016B29C47/043C08L2205/02C08L2205/03C08L23/06C08L27/16
    • A process for the co-extrusion of an inner layer around a conductive medium and an outer layer around the inner layer including:(i) introducing into an extruder adapted for profile coextrusion, a preformed conductive medium; an inner layer formulation including a homogeneous polyethylene having a polydispersity in the range of about 1.5 to about 3.5 and an essentially uniform comonomer distribution, and an organic peroxide; and an outer layer formulation including (A) one of (a) a copolymer of ethylene and an unsaturated ester; (b) or a polyethylene having a polydispersity greater than about 4.0 and a density of at least 0.916 gram per cubic centimeter, said polymer made by a high pressure process; or (c) a heterogeneous copolymer of ethylene and one or more alpha-olefins having a density of less than 0.916 gram per cubic centimeter, a melt index of at least about 4 grams per 10 minutes, and a polydispersity greater than about 4.0, and, (B) optionally, an organic peroxide; and(ii) co-extruding said formulations around the conductive medium at a temperature no higher than about 160 degrees C.
    • 围绕导电介质和围绕内层的外层共挤出内层的方法,包括:(i)引入适于轮廓共挤出的挤出机中预成型的导电介质; 包含多分散性在约1.5至约3.5范围内且基本均匀的共聚单体分布的均匀聚乙烯和有机过氧化物的内层制剂; 和(A)(a)乙烯和不饱和酯的共聚物之一的外层制剂; (b)或多分散度大于约4.0且密度至少为0.916克/立方厘米的聚乙烯,所述聚合物通过高压法制备; 或(c)乙烯和一种或多种密度小于0.916克/立方厘米的α-烯烃的非均相共聚物,熔体指数为至少约4克/ 10分钟,多分散性大于约4.0,以及 ,(B)任选的有机过氧化物; 和(ii)在不高于约160℃的温度下将所述制剂在导电介质周围共挤出。
    • 10. 发明授权
    • Process for crosslinking
    • 交联方法
    • US5346961A
    • 1994-09-13
    • US43564
    • 1993-04-07
    • Richard G. ShawPaul J. Caronia
    • Richard G. ShawPaul J. Caronia
    • C08J3/24C08F8/00C08F255/02
    • C08F255/02C08F2810/20
    • A process for crosslinking comprising (a) introducing into a reactor, under crosslinking conditions, a mixture comprising(i) one or more polyolefins;(ii) organic peroxide;(iii) an ester, ether, or ketone containing two or more unsaturated groups; and(iv) a compound having the formula: ##STR1## wherein R=hydrogen, methyl, or ethyl; R.sup.1 =an alkylene having 1 to 6 carbon atoms;andR.sup.2 =an alkyl having 8 or more carbon atoms or Si(R.sup.3).sub.3 wherein R.sup.3 is hydrogen or alkoxy having 1 to 6 carbon atoms; each R.sup.3 is the same or different; and at least one R.sup.3 is an alkoxy,and (b) crosslinking the polyolefin(s).
    • 一种交联方法,包括(a)在交联条件下向反应器中引入包含(i)一种或多种聚烯烃的混合物; (ii)有机过氧化物; (iii)含有两个或更多个不饱和基团的酯,醚或酮; 和(iv)具有下式的化合物:其中R =氢,甲基或乙基; R1 =具有1至6个碳原子的亚烷基; 和R2 =具有8个或更多个碳原子的烷基或Si(R3)3,其中R3是氢或具有1至6个碳原子的烷氧基; 每个R3相同或不同; 并且至少一个R 3是烷氧基,和(b)交联聚烯烃。