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    • 11. 发明申请
    • MICROCAPILLARY FILMS
    • 微胶卷
    • WO2015123031A1
    • 2015-08-20
    • PCT/US2015/013656
    • 2015-01-30
    • DOW GLOBAL TECHNOLOGIES LLC
    • McKENNA, Julie, W.BHATTACHARJEE, DebkumarDOOLEY, JosephHUANG, WenyiPANGBURN, Todd, O.PATEL, Rajen, M.
    • C08J5/18B29D7/01B32B27/32B32B3/20
    • C08J5/18B32B3/20B32B27/32C08J2323/06C08J2423/20
    • The instant invention provides microcapillary films. The inventive microcapillary film according to the present invention comprises a first end and a second end, wherein the microcapillary film comprises: (a) a matrix comprising a thermoplastic material, (b) at least one or more channels disposed in parallel in said matrix from the first end to the second end of said film, wherein said one or more channels are at least 1 μιη apart from each other, and wherein each said one or more channels have a diameter in the range of at least 1 μιη; and wherein said microcapillary film comprise from 10 to 90 percent by volume of voidage, based on the total volume of the microcapillary film, and wherein said one or more channels has a aspect ratio in the range of from 1:1 to 100:1; and wherein said film has a thickness in the range of from 5 μm to 500 μm.
    • 本发明提供微毛细管膜。 根据本发明的本发明的微毛细管膜包括第一端和第二端,其中微毛细管膜包括:(a)包含热塑性材料的基质,(b)至少一个或多个通道平行设置在所述基质中, 所述膜的第二端的第一端,其中所述一个或多个通道彼此间隔至少1微米,并且其中每个所述一个或多个通道的直径在至少1微米的范围内; 并且其中所述微毛细管膜基于微毛细管膜的总体积包含10至90体积%的空隙,并且其中所述一个或多个通道的纵横比在1:1至100:1的范围内; 并且其中所述膜的厚度在5μm至500μm的范围内。
    • 20. 发明申请
    • MULTILAYER FILMS, ARTICLES COMPRISING THE SAME, METHODS OF MANUFACTURING MULTILAYER FILMS
    • 多层膜,包含其的制品,制造多层膜的方法
    • WO2018005577A1
    • 2018-01-04
    • PCT/US2017/039619
    • 2017-06-28
    • DOW GLOBAL TECHNOLOGIES LLC
    • LIN, YijianHUANG, WenyiBENSASON, Selim
    • B32B7/02B32B27/08B32B27/20B32B27/28B32B27/30B32B27/32B32B27/34B65D65/40
    • B32B27/08B32B7/02B32B7/035B32B27/20B32B27/285B32B27/306B32B27/32B32B27/34B32B38/0012B32B2038/0028B32B2250/05B32B2250/40B32B2264/104B32B2270/00B32B2274/00B32B2307/516B32B2307/724B32B2439/40B32B2439/70B65D65/40
    • The present invention provides multilayer films, packages formed from such films, and methods of making multilayer films. In one aspect, a multilayer film comprises multilayer film comprising at least 3 layers, each layer having opposing facial surfaces and arranged in the order A/B/C, wherein Layer A comprises a high density polyethylene having a M w,cc /M n,cc of at least 6.0, a M z,abs of at least 500,000 grams/mol as measured by triple detector GPC, and a density of 0.957 - 0.970 g/cm 3 , wherein the high density polyethylene comprises at least 90 percent by weight of Layer A; Layer B comprises a gas permeation layer, wherein a top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A; and Layer C comprises a high density polyethylene having a M w,cc /M n,cc of at least 6.0, a M z,abs of at least 500,000 grams/mol as measured by triple detector GPC, and a density of 0.957 - 0.970 g/cm 3 , wherein the high density polyethylene comprises at least 90 percent by weight of Layer C and wherein a top facial surface of Layer C is in adhering contact with a bottom facial surface of Layer B, wherein the film is oriented in the machine direction and wherein the film exhibits a normalized carbon dioxide transmission rate of at least 3000 cm 3 •mil/100 in 2 /day when measured according to ASTM F-2476 at 23 °C, 0% relative humidity, and 1 atm, and wherein the film exhibits a ratio of the carbon dioxide transmission rate to an oxygen transmission rate of at least 4.0, when the oxygen transmission rate is measured according to ASTM D3985 at 23 °C, 0% relative humidity, and 1 atm.
    • 本发明提供了多层膜,由这种膜形成的包装以及制造多层膜的方法。 在一个方面,多层膜包含多层膜,其包含至少3层,每层具有相对的面部表面并按A / B / C的顺序排列,其中层A包含具有M w,cc的高密度聚乙烯 通过三重检测器GPC测得的至少6.0,至少500,000克/摩尔的M z,abs,和密度 为0.957-0.970克/厘米3,其中高密度聚乙烯包含至少90重量%的层A; 层B包括气体渗透层,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; 并且层C包含M w,cc / M n,cc为至少6.0的高密度聚乙烯,M z,abs, 通过三重检测器GPC测量为至少500,000克/摩尔,密度为0.957-0.970克/厘米3,其中高密度聚乙烯包含至少90重量%的层C,并且其中 层C的顶部面部表面与层B的底部面部表面粘附接触,其中所述膜沿机器方向取向并且其中所述膜显示出至少3000cm 3的归一化二氧化碳透过率, 当按照ASTM F-2476在23℃,0%相对湿度和1大气压下测量时,所述薄膜显示出的比率为100m 2/100英寸2 /天 当在23℃,0%相对湿度和1个大气压下根据ASTM D3985测量氧气透过速率时,将二氧化碳透过率调节至至少4.0的透氧率。