Breathable film and process for production of the same
    5.
    发明公开
    Breathable film and process for production of the same 失效
    可呼吸膜及其制造方法

    公开(公告)号:EP0253667A3

    公开(公告)日:1988-06-15

    申请号:EP87306309

    申请日:1987-07-16

    IPC分类号: C08J05/18 B29C55/02 B29K23/00

    摘要: A linear polyethylene (100 wt parts) of low density of 0.870 to 0.915 g/cc and containing 15 to 50 wt% of components extractable with xylene at 25±1°C and a weight average molecular chain length of 1,000 - 9,000 Ångstroms is mixed with 50-400 parts of an organic or inorganic filler (e.g. calcium carbonate, barium sulfate or talc) and optionally to help dispersion of the filler 0.5-8 parts of a nonionic surfactant (e.g. a glycerine or sorbitan ester of a C12-22 fatty acid) and the mixture is molded into a film. The film is stretched either (a) uniaxially at 30-80°C at a stretch ratio of 1.2-8 in the mechanical direction or (b) biaxially at 40-100°C at a ratio of 1.1-8.0 in the mechanical direction and then at 70-100°C at a ratio of not above 6.0 transversely; optionally a heating setting treatment is then applied. The resultant film formed from the stretched composition is breathable to a high extent and has good strength, touch and appearance.

    Flexible propylene polymer
    7.
    发明公开
    Flexible propylene polymer 失效
    Biegsames聚丙烯。

    公开(公告)号:EP0114391A1

    公开(公告)日:1984-08-01

    申请号:EP83113039.8

    申请日:1983-12-23

    IPC分类号: C08F110/06 C08F2/34 C08F4/64

    摘要: A flexible propylene polymer which is a propylene polymer obtained by gas-phase polymerization, said polymer being in particle form after polymerization and having a bulk density of at least 0.27 g/ml, wherein

    (1) the ratio of weight average molecular weight to number average molecular weight is from 10 to 100,
    (2) the intrinsic viscosity [η] is from 0.8 to 10 dl/g,
    (3) in the steric pentad fraction as determined by 13 C-NMR, the [mmmm] fraction is from 0.45 to 0.85,
    (4) the melt flow ratio (MFR) satisfies the following equation: wherein MI means melt index,
    (5) the fusion temperature is from 154 to 164°C,
    (6) the heat of fusion is from 5 to 22 cal/g,
    (7) the intrinsic viscosity [η] HSP of the boiling-heptane soluble portion (HSP) and the intrinsic viscosity [η] HIP of the boiling-heptane insoluble portion (HIP) of said polymer satisfies the following equation:
    [η]HSP≧ 0.25 [η] HIP , and
    (8) in the steric pentad fraction of the above boiling-heptane insoluble portion as determined by "C-NMR, the [mmmm] fraction is from 0.60 to 0.90 and the sum of the [mmmr], [rrrm] and [rrrr] fractions is from 0.07 to 0.30.

    摘要翻译: 一种柔性丙烯聚合物,其是通过气相聚合获得的丙烯聚合物,所述聚合物在聚合后为颗粒形式,并且具有至少0.27g / ml的堆积密度,其中(1)重均分子量与数量之比 平均分子量为10至100,(2)特性粘度η为0.8至10dl / g,(3)在通过1 C-NMR测定的空间五单元组分数中,[ mm)分数为0.45〜0.85,(4)熔体流动比(MFR)满足下式:MFR> / = -42 log MI + 133,其中MI表示熔融指数,(5)熔融温度为154 (6)熔融热为5〜22cal / g,(7)沸腾庚烷可溶部分(HSP)的特性粘度ηHSP和特性粘度ηHIP为 所述聚合物的沸腾庚烷不溶部分(HIP)满足以下等式:ηHSP> / = 0.25HIP,和(8)在上述b的空间五单元组分数 通过1 C-NMR测定的油 - 庚烷不溶部分,[mmmm]级分为0.60至0.90,[mmmr],[rrrm]和[rrrr]分数之和为0.07至0.30 。

    Stabilized resin composition
    9.
    发明公开
    Stabilized resin composition 失效
    Stabilisierte Harzzusammensetzung。

    公开(公告)号:EP0448096A1

    公开(公告)日:1991-09-25

    申请号:EP91104434.5

    申请日:1991-03-21

    IPC分类号: C08K13/02 C08L57/08

    CPC分类号: C08K5/3435 C08K3/32 C08K5/19

    摘要: A resin composition comprising a resin, a hindered piperidinyloxy compound of the formula (I):

    wherein R₁, R₂, R₃ and R₄ are independently a C₁-C₄ alkyl group and Z is a hydrogen atom or an organic group having at least one carbon atom, and a hypophosphite compound of the formula:



            X a (H₂PO₂) b    (II)



    wherein X is a metal ion, an ammonium ion or a phosphonium ion, a and b are positive numbers provided that they satisfy the equation: a x c = b in which c is a valency of X, wherein the weight ratio of the hypophosphite compound (II) to the hindered piperidinyloxy compound (II) is at least 0.001, which has good heat stability and weather resistance.

    摘要翻译: 一种树脂组合物,其包含树脂,式(I)的受阻哌啶基氧基化合物:其中R 1,R 2,R 3和R 4独立地为C 1 -C 4烷基,Z为氢原子或至少具有至少 一个碳原子和次亚磷酸盐化合物,其中X是金属离子,铵离子或鏻离子,a和b是正数,条件是它们满足下式:axc = b其中c为X的化合价,其中次亚磷酸酯化合物(II)与受阻哌啶基氧基化合物(II)的重量比为至少0.001,具有良好的热稳定性和耐候性。

    A Laminated polypropylene film
    10.
    发明公开
    A Laminated polypropylene film 失效
    层压聚丙烯薄膜

    公开(公告)号:EP0146968A2

    公开(公告)日:1985-07-03

    申请号:EP84116347.0

    申请日:1984-12-27

    IPC分类号: B32B27/32 C09J3/14 C08L23/14

    摘要: A laminated polypropylene film consisting of a crystalline polypropylene layer having laminated to at least one side thereof a copolymer layer, said copolymer being a random copolymer of propylene and an α-olefin having 4 or more carbon atoms or a random copolymer of propylene, an a-olefin having 4 or more carbon atoms and ethylene obtained by vapor phase polymerization in the substantial absence of a liquid medium and satisfying the following conditions (1) to (4):

    (1) the content of an α-olefin having 4 or more carbon atoms in the copolymer is 8 to 25 mole%,
    (2) the content of ethylene in the copolymer is 3 mole% or less,
    (3) the content of a cold xylene-soluble portion in the copolymer is 15 to 60% by weight, and
    (4) the content of a boiling n-heptane-insoluble portion in the copolymer is 7% by weight or more. Said laminated film has an excellent low-temperature heat-sealability, an excellent transparency, a low blocking and a good scratch resistance.

    摘要翻译: 一种由结晶聚丙烯层构成的层压聚丙烯膜,该聚丙烯层至少在其一面上层压共聚物层,所述共聚物是丙烯与具有4个或更多个碳原子的α-烯烃的无规共聚物或丙烯的无规共聚物, (1)〜(4):(1)具有4个或更多个碳原子的α-烯烃和通过气相聚合在基本不存在液体介质的情况下获得的乙烯, (2)共聚物中的乙烯含量为3摩尔%以下,(3)共聚物中的冷二甲苯可溶部分的含量为15〜60摩尔% (4)共聚物中沸腾的正庚烷不溶部分的含量为7重量%以上。 所述层压膜具有优异的低温热封性,优异的透明度,低粘连性和良好的耐划伤性。