Breathable film and process for production of the same
    3.
    发明授权
    Breathable film and process for production of the same 失效
    透气膜和生产过程相同

    公开(公告)号:US4829096A

    公开(公告)日:1989-05-09

    申请号:US74118

    申请日:1987-07-16

    IPC分类号: B29C55/00 C08J5/18

    摘要: A breathable film and a process for producing the same are disclosed, the breathable film comprising a resin composition comprising (1) 100 parts by weight of a linear low-density polyethylene resin having a density of from 0.870 to 0.915 g/cm.sup.3 and containing from 15 to 50% by weight of a component which is extractable with xylene at room temperature and which has a weight average molecular chain length of from 1,000 to 9,000 .ANG.; (2) from 50 to 400 parts by weight of a filler; and optionally, (3) from 0.5 to 8 parts by weight of a nonionic surface active agent. The breathable film of the invention not only has excellent film moldability and film stretchability but also shows high breathability, good touch and appearance, and high strength.

    摘要翻译: 透气膜及其制造方法公开,透气膜包括树脂组合物,其包含(1)100重量份密度为0.870-0.915g / cm3的线性低密度聚乙烯树脂,并含有 15〜50重量%的在室温下可用二甲苯萃取的成分,其重均分子链长度为1,000〜9000安培; (2)50〜400重量份的填料; 和(3)0.5至8重量份的非离子表面活性剂。 本发明的透气性膜不仅具有优异的成膜性和膜拉伸性,而且透气性,触感和外观良好,强度高。

    Laminate film for wrapping
    6.
    发明授权
    Laminate film for wrapping 失效
    层压薄膜包装

    公开(公告)号:US5460879A

    公开(公告)日:1995-10-24

    申请号:US93875

    申请日:1993-07-20

    IPC分类号: B32B27/32 B65D65/40 B32B7/12

    摘要: A laminate film for wrapping which comprises a layer comprising (A) an ethylene-.alpha.-olefin copolymer having a coefficient of variation of composition distribution (Cx) represented by equation shown below of 0.40 or less and having an ethylene content of 50 mol % or more and at least one layer of a different kind;Cx=.sigma./SCB.sub.avewherein .sigma. is a standard deviation of composition distribution (1/1000 C), and SCB.sub.ave is an average of the number of short chain branchings per 1000 C (1/1000 C).The film is safe and hygienic, less odorous and excellent in transparency, mechanical strength, softness, and low-temperature heat sealing properties and is therefore suitable to automatic wrapping, particularly stretch-wrapping.

    摘要翻译: 一种用于包装的层压膜,其包含(A)由以下所示的等式表示的组成分布变化系数(Cx)为0.40以下且乙烯含量为50摩尔%的(A)乙烯-α-烯烃共聚物,或 更多和至少一层不同种类; Cx = sigma / SCBave,其中sigma是组成分布的标准偏差(1/1000℃),SCBave是每1000℃(1/1000℃)的短链分支数的平均值。 该膜具有安全卫生,气味少,透明度,机械强度,柔软度和低温热封性能优异,因此适用于自动包装,特别是拉伸包装。

    Low temperature heat-sealable polypropylene-based film
    7.
    发明授权
    Low temperature heat-sealable polypropylene-based film 失效
    低温可热封聚丙烯薄膜

    公开(公告)号:US06624247B2

    公开(公告)日:2003-09-23

    申请号:US09901608

    申请日:2001-07-11

    IPC分类号: C08L2300

    摘要: A polypropylene-based resin film of a resin composition (C) comprising: 40 to 95 wt % of a propylene-based copolymer (A) selected from a propylene random copolymer (i) of propylene with ethylene and/or &agr;-olefin and a propylene-based copolymer (ii) composed of 1 to 30 wt % of a component (a) obtained by copolymerizing propylene, an &agr;-olefin and ethylene in a first step; and 70 to 99 wt % of a component (b) obtained by copolymerizing those in the subsequent step, in which the copolymerization ratio is different from that in the first step; and 5 to 60 wt % of a polypropylene-ethylene and/or &agr;-olefin block copolymer (B) having a CXS of 5.0 wt % or more, wherein the CXS has a content of ethylene and/or the &agr;-olefin of 14 to 35 mol %, and wherein the heat-seal temperature of the film of the (C) is lower by 3° C. or more than those of respective films of the (A) and (B).

    摘要翻译: 1.一种树脂组合物(C)的聚丙烯系树脂膜,其包含:40〜95重量%的丙烯与丙烯与/或α-烯烃的丙烯无规共聚物(i)中的丙烯类共聚物(A)和 丙烯系共聚物(ⅱ),由1〜30重量%的第1工序中的丙烯,α-烯烃,乙烯共聚得到的成分(a) 和70〜99重量%的通过与后续步骤中的共聚合得到的组分(b),其中共聚比与第一步不同; 和5-60重量%的CXS为5.0重量%或更多的聚丙烯 - 乙烯和/或α-烯烃嵌段共聚物(B),其中CXS的含量为乙烯和/或α-烯烃的14至35 (C)的膜的热封温度比(A)和(B)的各膜的温度低3℃以上。

    Propylene block copolymer
    9.
    发明授权
    Propylene block copolymer 失效
    丙烯嵌段共聚物

    公开(公告)号:US6117946A

    公开(公告)日:2000-09-12

    申请号:US123576

    申请日:1998-07-28

    CPC分类号: C08F297/08 C08F297/06

    摘要: A propylene block copolymer having a specified composition and consisting of a xylene soluble portion at 20.degree. C. in an amount of 5 wt % or more and a portion excluding the CXS portion, the melting temperature of the CXIS portion measured by a differential scanning caloriemeter being 130 to 155.degree. C., wherein the difference in transparency in terms of haze between prior to and posterior to the 1-hour treatment at 110.degree. C of a 150 .mu.m thick film obtained by forming said copolymer into a film by extrusion is 8% or less.According to the present invention, a block copolymer having a good transparency and improved impact resistance at a low temperature, and further exhibiting less bleeding at high-temperature heat treatment, can be provided.

    摘要翻译: 具有特定组成的丙烯嵌段共聚物,其组成为20℃下的二甲苯可溶部分,其量为5重量%以上,除了CXS部分以外的部分,通过差示扫描温度计测量的CXIS部分的熔融温度 为130〜155℃,其中通过将所述共聚物通过挤出形成所述共聚物获得的150μm厚的薄膜在110℃下1小时处理之前和之后的浊度方面的透明度差异是 8%以下。 根据本发明,可以提供在低温下具有良好的透明性和改善的耐冲击性的嵌段共聚物,并且在高温热处理中进一步显示较少的渗色。

    Pedestrian detecting device for vehicle
    10.
    发明申请
    Pedestrian detecting device for vehicle 审中-公开
    车辆行人检测装置

    公开(公告)号:US20070222565A1

    公开(公告)日:2007-09-27

    申请号:US11708463

    申请日:2007-02-21

    IPC分类号: B60Q1/00 G06K9/00 H04N7/18

    摘要: A pedestrian detecting device for a vehicle comprises a far-infrared camera picking up a far-infrared image outside the vehicle, an area-candidate extracting portion extracting an area candidate containing a pedestrian image from the far-infrared image picked up, an environment detecting device detecting an environment outside the vehicle that influences the far-infrared image, a ROM storing a pedestrian model in the far-infrared image in association with the environment outside the vehicle, a pedestrian-model extracting portion extracting a pedestrian model associated with the environment that is detected by the environment detecting device from the ROM, and a pedestrian determining portion determining, for a pedestrian detection, whether or not the area candidate contains the pedestrian image, by comparing the area candidate extracted to the pedestrian model extracted. Accordingly, the detection accuracy of the pedestrian can be improved.

    摘要翻译: 一种用于车辆的行人检测装置,其特征在于,包括:远红外线摄像机,其从所述车辆外部拍摄远红外图像;区域候选提取部,从拾取的所述远红外图像中提取包含行人图像的区域候选;环境检测 检测影响远红外图像的车辆外部的环境的装置;与车辆外部的环境相关联地存储远红外图像中的行人模型的ROM;提取与该环境相关联的行人模型的行人模型提取部 由环境检测装置从ROM检测到的行驶人员确定部分,以及步行者确定部分,通过将提取的区域候选与所提取的行人模型进行比较,确定行人检测是否包含行人图像。 因此,能够提高行人的检测精度。