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    • 4. 发明申请
    • A SEALANT COMPOSITION, METHOD OF PRODUCING THE SAME
    • 密封组合物,其生产方法
    • WO2012061168A1
    • 2012-05-10
    • PCT/US2011/057780
    • 2011-10-26
    • DOW GLOBAL TECHNOLOGIES LLCDEMIRORS, MehmetCONG, RongjuanSERRAT, CristinaSAINI, GaganRUTKOWSKE, Michael
    • DEMIRORS, MehmetCONG, RongjuanSERRAT, CristinaSAINI, GaganRUTKOWSKE, Michael
    • C08L23/08
    • C09D123/0807C08L23/0815C08L23/14C08L23/16C08L2207/062C09D123/0815C09D123/14
    • The instant invention is a sealant composition, method of producing the same, articles made therefrom, and method for forming such articles. The sealant composition according to the present invention comprises: (a) from 70 to 99.5 percent by weight of an ethylene/α-olefin interpolymer composition, based on the total weight of the sealant composition, wherein said ethylene/α-olefin interpolymer composition comprises an ethylene/α-olefin interpolymer, wherein ethylene/α-olefin interpolymer has a Comonomer Distribution Constant (CDC) in the range of from 15 to 250, and a density in the range of from 0.875 to 0.963 g/cm 3 , a melt index (I2) in a range of from 0.2 to 20 g/ 10 minutes, and long chain branching frequency in the range of from 0.02 to 3 long chain branches (LCB) per 1000C; (b) from 0.5 to 30 percent by weight of a propylene/α-olefin interpolymer composition, wherein said propylene/α-olefin interpolymer composition comprises a propylene/α-olefin copolymer or a propylene/ethylene/butene terpolymer, wherein said propylene/α-olefin copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram, and a DSC melting point in the range of 25° C to 110° C.
    • 本发明是密封剂组合物,其制造方法,由其制成的制品,以及形成这种制品的方法。 根据本发明的密封剂组合物包含:(a)70-59.5重量%的乙烯/α-烯烃互聚物组合物,基于密封剂组合物的总重量,其中所述乙烯/α-烯烃互聚物组合物包含 乙烯/α-烯烃互聚物,其中乙烯/α-烯烃互聚物的共聚单体分布常数(CDC)为15-250,密度范围为0.875-0.963g / cm3,熔体指数 (I 2)在0.2至20g / 10分钟的范围内,长链支化频率范围为0.02至3个长支链(LCB)/ 1000℃; (b)0.5至30重量%的丙烯/α-烯烃互聚物组合物,其中所述丙烯/α-烯烃互聚物组合物包含丙烯/α-烯烃共聚物或丙烯/乙烯/丁烯三元共聚物,其中所述丙烯/ α-烯烃共聚物的结晶度在1重量%至30重量%的范围内,熔融热在2焦耳/克至50焦耳/克范围内,DSC熔点在 25°C至110°C
    • 6. 发明申请
    • MULTILAYER FILMS AND LAMINATES AND ARTICLES COMPRISING THE SAME
    • 多层膜和叠层板以及包含它们的制品
    • WO2018045559A1
    • 2018-03-15
    • PCT/CN2016/098578
    • 2016-09-09
    • DOW GLOBAL TECHNOLOGIES LLCPAN, JianpingYUN, Xiao BingLIN, YijianCONG, Rongjuan
    • PAN, JianpingYUN, Xiao BingLIN, YijianCONG, Rongjuan
    • B32B27/32B32B27/08
    • Embodiments relate to biaxially oriented, multilayer polyethylene films and to laminates and articles formed therefrom. In one aspect, a biaxially oriented, multilayer polyethylene film comprises Layer A which is a sealant layer having a top facial surface and a bottom facial surface and comprising a first polyethylene, wherein the first polyethylene has a density of at least 0.900 g/cm3, an IHDF>95 of 20-60 kg/mol, and a MWHDF>95 of greater than 130 kg/mol, wherein Layer A comprises at least 50 weight percent of the first polyethylene based on the weight of Layer A, and Layer B having a top facial surface and a bottom facial surface, wherein Layer B comprises one or more additional polyethylenes, and wherein the top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A, wherein the density of the first polyethylene is at least 0.002 g/cm3 less than the density of Layer B.
    • 实施方式涉及双轴取向的多层聚乙烯膜和由其形成的层压体和制品。 在一个方面,双轴取向的多层聚乙烯膜包含层A,其是具有顶部面部表面和底部面部表面并且包含第一聚乙烯的密封剂层,其中第一聚乙烯的密度为至少0.900g / cm 3, 20-60kg / mol的IHDF>和大于130kg / mol的MWHDF> 95,其中层A包含基于层A的重量的至少50重量%的第一聚乙烯,层B具有 顶部面部表面和底部面部表面,其中层B包含一种或多种另外的聚乙烯,并且其中层B的顶部面部表面与层A的底部面部表面粘附接触,其中第一聚乙烯的密度为 比B层的密度小至少0.002g / cm3。