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    • 73. 发明申请
    • METHOD TO PRODUCE FUNCTIONALIZED, LOW VISCOSITY ETHYLENE-BASED POLYMERS
    • 生产功能性低粘度乙烯基聚合物的方法
    • WO2015102886A2
    • 2015-07-09
    • PCT/US2014/070647
    • 2014-12-16
    • DOW GLOBAL TECHNOLOGIES LLC
    • READ, Michael, D.BAWISKAR, Santosh, S.
    • C08F8/00C08F255/02
    • C08F255/02C08K5/092C08K5/14C08F222/06C08L23/08
    • The invention provides a process to form a "functionalized ethylene-based polymer" from an ethylene-based polymer and at least one polar compound, said process comprising thermally treating a composition comprising the ethylene-based polymer, the at least one polar compound, and at least one peroxide, in at least one extruder comprising at least one barrel, to form a polymer melt; and wherein the at least one peroxide has a half life, at the maximum barrel temperature of the at least one extruder, of less than of the minimum residence time of the polymer melt in the at least one extruder. The invention further provides a composition comprising at least the following: a) an ethylene-based polymer comprising a melt viscosity, at 350°F (177°C), less than 50.000 cP, and b) at least one peroxide comprising a half-life from 0.10 to 2.00 minutes, at a temperature from 160°C to 190°C.
    • 本发明提供从乙烯类聚合物和至少一种极性化合物形成“官能化乙烯类聚合物”的方法,所述方法包括热处理包含乙烯基聚合物,至少一种极性化合物和 至少一种过氧化物,至少包含至少一个桶的挤出机,以形成聚合物熔体; 并且其中所述至少一种过氧化物在所述至少一个挤出机的最大桶温下具有小于聚合物熔体在至少一个挤出机中的最小停留时间的半衰期。 本发明还提供一种至少包含以下物质的组合物:a)在350°F(177℃)下小于50.000cP的熔体粘度的乙烯类聚合物,和b)至少一种包含半 - 寿命为0.10至2.00分钟,温度为160℃至190℃。