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    • 7. 发明申请
    • HIGH POLYMER LOAD POLYOLEFIN ADHESIVE COMPOSITIONS
    • 高聚物负载聚烯烃胶粘组合物
    • WO2015057416A1
    • 2015-04-23
    • PCT/US2014/059250
    • 2014-10-06
    • EXXONMOBIL CHEMICAL PATENTS INC.
    • SCHROEYERS, Jurgen, J.AUSTIN, Jennifer, J.MOWRY, Shawn, W.COFFEY, James, N.
    • C09J123/14
    • C09J123/142C08K5/0016C08K5/005C08L23/142C08L2205/025C08L2314/06
    • The present invention is related to adhesive compositions comprising about 50 to about 80 wt% of a polymer blend of at least two different propylene-based polymers, wherein the polymer blend has a melt viscosity of about 100 to about 6,000 cP and adhesive compositions comprising about 30 to about 60 wt% of a polymer blend of at least two different propylene- based polymers, wherein the polymer blend has a melt viscosity of about 6,000 cP to about 60,000 cP. When subjected to Temperature Rising Elution Fractionation, the polymer blend exhibits a first fraction that is soluble at -15°C in xylene, the first fraction having an isotactic (mm) triad tacticity of about 70 mof% to about 90 mol%; and a second fraction that is insoluble or less soluble than the first traction at -15°C in xylene, the second fraction having an isotactic (mm) triad tacticity of about 85 mol% to about 98 mof%.
    • 本发明涉及包含约50至约80重量%的至少两种不同丙烯类聚合物的聚合物共混物的粘合剂组合物,其中聚合物共混物的熔体粘度为约100至约6,000cP,粘合剂组合物包含约 30至约60重量%的至少两种不同的基于丙烯的聚合物的聚合物共混物,其中所述聚合物共混物的熔体粘度为约6000cP至约60,000cP。 当进行升温洗脱分级时,聚合物共混物显示在-15℃下在二甲苯中可溶的第一级分,第一级分具有约70摩尔%至约90摩尔%的全同立构(mm)三单元组立构规整度; 和在-15℃下在二甲苯中不溶于或不溶于第一牵引的第二部分,第二部分具有约85摩尔%至约98摩尔%的全同立构(mm)三单元组立构规整度。