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    • 4. 发明申请
    • A HEAT-SEAL RESIN AND PACKAGE FORMED THEREFROM
    • 一种热密封树脂和其形成的包装
    • WO2012083104A1
    • 2012-06-21
    • PCT/US2011/065332
    • 2011-12-16
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYLOHSE, David, J.SUN, Thomas, T.MEHTA, Aspy, K.KISS, GaborREYNOLDS, Robert, P.CHU, John, W.VARMA-NAIR, Manika
    • LOHSE, David, J.SUN, Thomas, T.MEHTA, Aspy, K.KISS, GaborREYNOLDS, Robert, P.CHU, John, W.VARMA-NAIR, Manika
    • C08L23/08C08L23/14C08L23/22
    • C08L23/142C08L2205/025
    • Provided is a heat-seal resin. The resin includes 5 wt% to 95 wt% of a first copolymer and 95 wt% to 5 wt% of a second copolymer based on the total weight of the resin. The first copolymer and the second copolymer together are 90 wt% or more of the total weight of the resin. The first copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the first copolymer are different. The first copolymer has an MFR of from 5 to 1000 g/ 10 minutes and a T fm of 66°C to 80°C. The second copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the second copolymer are different. The second copolymer has an MFR of from 0.5 to 5 g/ 10 minutes and a T fm of 45°C to 66°C, wherein the first copolymer has an MFR of at least 2 g/10 minutes greater and a T fm of at least 10°C greater than the second copolymer. There is also a package formed partly or entirely of the resin.
    • 提供一种热封树脂。 基于树脂的总重量,树脂包含5重量%至95重量%的第一共聚物和95重量%至5重量%的第二共聚物。 第一共聚物和第二共聚物一起是树脂总重量的90重量%以上。 第一共聚物包括2至4个碳原子的α-烯烃的第一单体和选自2至8个碳原子的α-烯烃的第二单体的第二单体。 第一共聚物的第一单体和第二单体是不同的。 第一共聚物的MFR为5〜1000g / 10分钟,Tfm为66〜80℃。 第二共聚物包括2至4个碳原子的α-烯烃的第一单体和选自2至8个碳原子的α-烯烃的第二单体的第二单体。 第二共聚物的第一单体和第二单体是不同的。 第二共聚物的MFR为0.5-5g / 10分钟,Tfm为45℃至66℃,其中第一共聚物的MFR至少为2g / 10分钟,Tfm为至少10 °C比第二共聚物大。 还有一部分或全部由树脂形成的包装。