公开(公告)号：US4705828A

公开(公告)日：1987-11-10

申请号：US826591

申请日：1986-02-06

申请人： Yoshio Matsumoto ,  Toshio Fujii ,  Yoshinao Shinohara ,  Kiyoshi Fukuda

发明人： Yoshio Matsumoto ,  Toshio Fujii ,  Yoshinao Shinohara ,  Kiyoshi Fukuda

IPC分类号： C08L23/00 ,  C08J5/18 ,  C08L7/00 ,  C08L9/00 ,  C08L21/00 ,  C08L23/12 ,  C08L23/26 ,  C08L23/30 ,  C08L101/00 ,  C08L11/00

CPC分类号： C08J5/18 ,  C08L23/12 ,  C08J2323/12 ,  C08L9/00 ,  Y10S525/911 ,  Y10S525/914 ,  Y10S525/918

摘要： Disclosed herein are a polypropylene resin composition comprising 100 parts by weight of propylene homopolymer showing a stereoregularity of a boiling heptane-insoluble part thereof of not less than 0.960 as an isotactic pentad rate obtained by .sup.13 C-NMR and 0.01 to 2 parts by weight of a hydrocarbon polymer having completely or partially saturated main hydrocarbon chain and at least one hydroxy group at an end of the main hydrocarbon chain, and a biaxially stretched film comprising the polypropylene resin composition.

摘要翻译： 本发明公开了一种聚丙烯树脂组合物，其包含100重量份的丙烯均聚物，其表现出沸点庚烷不溶部分的立构规整度为不小于0.960，其为通过13 C-NMR获得的全同立构五价态和0.01至2重量份 在主烃链的末端具有完全或部分饱和的主烃链和至少一个羟基的烃聚合物和包含该聚丙烯树脂组合物的双轴拉伸膜。

公开(公告)号：US5110870A

公开(公告)日：1992-05-05

申请号：US459328

申请日：1989-12-29

申请人： Toshio Fujii ,  Yoshinao Shinohara ,  Keishin Handa

发明人： Toshio Fujii ,  Yoshinao Shinohara ,  Keishin Handa

IPC分类号： C08J5/18 ,  C08L23/08

CPC分类号： C08J5/18 ,  C08L23/0815 ,  C08J2323/08 ,  C08L2205/02

摘要： This invention provides an extensible film or sheet comprising 100 to 60 parts by weight of an ethylene copolymer having a density of less than 0.910 g/cm.sup.3 and 0 to 40 parts by weight of a linear polyethylene having a density of 0.910 to 0.945 g/cm.sup.3, specified by the following properties:1) film blocking as expressed by 180.degree. peel strength is 60 g/25 mm or less;2) tensile elongation is 750% or more;3) Elmendorf tear strength is 30 kg.cm/cm.sup.2 or more; and4) 1% secant modulus is 20 to 2,000 kg/cm.sup.2.The film or sheet of this invention has excellent extensibility and is free from blocking. It is also excellent in flexibility and hand and drape and can be preferably used as a film for gather of disposable diapers, etc., packing sheet for disposable diapers, and the like.

摘要翻译： 本发明提供一种可延展膜或片材，其包含100至60重量份的密度小于0.910克/厘米3的乙烯共聚物和0至40重量份密度为0.910至0.945克/厘米3的直链聚乙烯 ，由以下性质指定：1）180度剥离强度表示的膜阻断为60g / 25mm以下; 2）拉伸伸长率为750％以上; 3）Elmendorf撕裂强度为30kg·cm / cm 2以上; 和4）1％割草模量为20至2,000kg / cm2。 本发明的薄膜或薄片具有优异的延展性，并且不会发生阻塞。 柔软性和手感和悬垂性也优异，可以优选用作一次性尿布等的收集膜，一次性尿布的包装片等。

公开(公告)号：US5091228A

公开(公告)日：1992-02-25

申请号：US720650

申请日：1991-06-25

申请人： Toshio Fujii ,  Kazuhiro Kato ,  Akihiko Sakai ,  Yoshinao Shinohara

发明人： Toshio Fujii ,  Kazuhiro Kato ,  Akihiko Sakai ,  Yoshinao Shinohara

IPC分类号： B29C55/00 ,  B29C55/04 ,  B29C55/12 ,  B29C55/28 ,  C08J5/18

CPC分类号： C08J5/18 ,  B29C55/005 ,  B29C55/04 ,  B29C55/12 ,  B29C55/28 ,  B29K2023/06 ,  B29K2995/0049 ,  B29K2995/0077 ,  B29K2995/0088 ,  C08J2323/04 ,  Y10T428/1303 ,  Y10T428/1307 ,  Y10T428/31902

摘要： Disclosed herein is a monoaxially or biaxially stretched film comprising principally of a linear polyethylene and capable of reduction of thickness to a greater extent than possible with the conventional films of this type.The film according to the present invention, though incomparably small in thickness, has excellent impact strength, stiffness, tensile strength and tear strength and can be favorably utilized as a film for packaging bags used for packaging relatively heavy commodities.

公开(公告)号：US06204349B1

公开(公告)日：2001-03-20

申请号：US08668234

申请日：1996-06-21

申请人： Yoshinao Shinohara ,  Yasuhisa Mizuno ,  Eiji Tanaka ,  Yasuhiro Kashiwagi ,  Miki Suzaki ,  Koshi Yokoyama

发明人： Yoshinao Shinohara ,  Yasuhisa Mizuno ,  Eiji Tanaka ,  Yasuhiro Kashiwagi ,  Miki Suzaki ,  Koshi Yokoyama

IPC分类号： C08F11002

CPC分类号： C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F4/6555 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/13 ,  C08F210/08

摘要： A pipe made of a polyethylene resin which is a linear polyethylene having the following physical properties (1) to (4): (1) a melt flow rate of 0.02 to 0.2 g/10 min, (2) a flow ratio of 50 or more, (3) a density of 0.945 to 0.960 g/cm3, and (4) a relaxation parameter H, represented by the following equation (I), of 2.00×10−8 dyn/cm2 or less: H = - E ⁡ ( 10 3 ) ⁢ Log ⁢   ⁢ E ⁡ ( 10 3 ) - Log ⁢   ⁢ E ⁡ ( 10 0 ) Log ⁢ 10 3 - Log ⁢ 10 0 ( I )  wherein E(&tgr;) represents a relaxation modulus at time &tgr;.

摘要翻译： （1）〜（4）：（1）熔体流动速率为0.02〜0.2g / 10分钟，（2）流动比为50或 （3）密度为0.945〜0.960g / cm3，（4）由下式（I）表示的弛豫参数H：2.00×10 -8 dyn / cm 2以下：其中E（＆Tgr） 表示时间tgr的松弛模量。