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    • 3. 发明申请
    • COATED SUBSTRATES AND PACKAGES PREPARED THEREFROM
    • 涂层基材和其制备的包装
    • WO2011009070A1
    • 2011-01-20
    • PCT/US2010/042319
    • 2010-07-16
    • DOW GLOBAL TECHNOLOGIES, INC.ARROYO VILLAN, MariaDOMENECH, AngelsZUERCHER, Karl
    • ARROYO VILLAN, MariaDOMENECH, AngelsZUERCHER, Karl
    • B32B7/02B32B27/12B32B27/32
    • B32B27/12B32B5/022B32B5/024B32B7/02B32B7/12B32B27/08B32B27/32B32B2262/0253B32B2270/00B32B2307/30B32B2307/31B32B2307/50B32B2307/558B32B2307/72B32B2307/7246B32B2439/06B32B2439/46Y10T442/20
    • The invention provides a coated substrate comprising at least the following: i) a first layer formed from a first composition that has a melting point, Tm1, and comprising at least one ethylene-based interpolymer; ii) a second layer formed from a second composition comprising the following: a) at least one propylene-based polymer, and b) at least one ethylene-based polymer; and iii) a woven web formed from at least one olefin-based polymer with a melting point of Tm2a and/a or nonwoven web formed from at least one olefin-based polymer with a melting point of Tm2b; and wherein and Tm1 is less than, or equal to, "Tm2a -20°C", and/or less than, or equal to, "Tm2b -20°C." The invention also provides a coated substrate comprising at least the following: i) a first layer is formed from a first composition that has a melting point, Tm1; and ii) a woven web formed from at least one olefin-based polymer with a melting point of Tm2a and/or a nonwoven web formed from at least one olefin-based polymer with a melting point of Tm2b; and wherein and the first composition comprises at least one propylene-based polymer with a MFR from 15 to 35 g/10 min, and wherein Tm1 is less than, or equal to, "Tm2a - 20°C", and/or less than, or equal to, "Tm2b -20°C."
    • 本发明提供了至少包括以下的涂层基材:i)由具有熔点Tm1并且包含至少一种基于乙烯的互聚物的第一组合物形成的第一层; ii)由包含以下物质的第二组合物形成的第二层:a)至少一种基于丙烯的聚合物,和b)至少一种基于乙烯的聚合物; 和iii)由熔点为Tm2a的至少一种烯烃基聚合物和/或由至少一种熔点为Tm2b的烯烃基聚合物形成的非织造纤维网形成的织造网; 并且其中Tm1小于或等于“Tm2a -20℃”和/或小于或等于“Tm2b -20℃”。 本发明还提供了至少包括以下的涂层基材:i)第一层由熔点为Tm1的第一组合物形成; 和ii)由至少一种熔点为Tm2a的烯烃基聚合物和/或由至少一种熔点为Tm2b的烯烃基聚合物形成的非织造纤维网形成的织造网; 并且其中第一组合物包含至少一种MFR为15-35g / 10min的丙烯基聚合物,其中Tm1小于或等于“Tm2a-20℃”,和/或小于 ,或等于“Tm2b -20°C”。
    • 5. 发明申请
    • LOW DENSITY ETHYLENE-BASED POLYMER COMPOSITIONS WITH GOOD MELT STRENGTH AND HIGH DENSITY
    • 低密度乙烯基聚合物组合物,具有良好的熔体强度和高密度
    • WO2014179469A2
    • 2014-11-06
    • PCT/US2014/036183
    • 2014-04-30
    • DOW GLOBAL TECHNOLOGIES LLC
    • ZUERCHER, KarlDEN DOELDER, Cornelis F. J.MANGNUS, Marc A.
    • C08L23/06
    • C09D123/06C08L23/06C08L2203/16C08L2205/025D01F6/04
    • The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process comprising at least one autoclave reactor, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process comprising at least one autoclave reactor, such composition comprising the following properties: A) a melt index (I2) from 2.5 to 10 g/10 min; B) a density from 0.920 to 0.935 g/cc; and wherein the second polymer is present in an amount from 5 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the density of the of the second polymer is greater than the density of the first polymer, and wherein the first polymer has a melt index I2 greater than 2.5 g/10 min.
    • 本发明提供一种组合物,其包含通过高压自由基聚合方法形成的第一乙烯类聚合物,其包含至少一个高压釜反应器和通过高压自由基聚合方法形成的第二乙烯类聚合物 包括至少一个高压釜反应器,该组合物包含以下性质:A)2.5-10g / 10min的熔体指数(I 2); B)密度为0.920至0.935g / cc; 并且其中所述第二聚合物以所述第一聚合物和所述第二聚合物的重量之和为基准以5至95重量%的量存在; 并且其中所述第二聚合物的密度大于所述第一聚合物的密度,并且其中所述第一聚合物的熔体指数I2大于2.5g / 10min。