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    POROUS SHEET AND ABSORBING MATERIAL USING THE SAME
    31.
    发明专利
    POROUS SHEET AND ABSORBING MATERIAL USING THE SAME 失效

    公开(公告)号：JPH093225A

    公开(公告)日：1997-01-07

    申请号：JP15191695

    申请日：1995-06-19

    Applicant: KAO CORP

    Inventor： KUMAMOTO YOSHIAKI ,  YUASA OSAMU ,  ODAJIMA SHINGO ,  NISHIO MASAYA ,  SAKAI YOSHIHIRO

    IPC: A61F13/49 ,  A61F13/15 ,  A61F13/514 ,  C08J9/00 ,  A61F13/54

    Abstract: PURPOSE: To obtain a porous sheet having excellent air permeability and moisture permeability and useful for an absorbing material, etc., by drawing a sheet molded of a melted and blended material of a resin composition composed of a specific ratio of respectively specific crystalline polyolefin resin, an organic compound and a propylene-based resin. CONSTITUTION: This porous sheet is obtained by stretching a sheet molded of a melted and blended material of a resin composition composed (A) 50-90 pts.wt. of a crystalline polyolefin resin such as a PP resin or a propylene- ethylene copolymer resin, (B) 50-100 pts.wt. of an organic compound having miscibility to the component A at a temperature higher than the melting point of the component A and generating phase separation with the component A at a temperature below the melting point of the component A such as a mineral oil or a synthetic lubricating oil and (C) 0.5-20 pts.wt. (to 100 pts.wt. of the component A) of a propylene-based resin having a long chain branch in more than one directions. Preferably, an absorbing material is produced from a liquid- permeable surface material, a leak-proof rear face material using the porous sheet and an absorbing material placed between these both face materials.

    POROUS SHEET AND PRODUCTION THEREOF
    32.
    发明专利
    POROUS SHEET AND PRODUCTION THEREOF 失效

    公开(公告)号：JPH08332687A

    公开(公告)日：1996-12-17

    申请号：JP14874195

    申请日：1995-06-15

    Applicant: KAO CORP

    Inventor： SATO SHINYA ,  MASUKI TETSUYA ,  KIKUCHI FUMIAKI ,  SAKAI YOSHIHIRO ,  TORIMAE YASUHIRO

    IPC: A61F13/49 ,  A61F13/15 ,  A61F13/514 ,  B32B3/16 ,  B32B5/18 ,  B32B25/08 ,  B32B27/32 ,  A61F13/54

    Abstract: PURPOSE: To provide a porous sheet having good permeability and stretch elasticity by partially laminating a rubber elastomer on a humidity permeable sheet and arranging humidity permeable regions and stretch elastic regions alternately in many rows. CONSTITUTION: A porous sheet 1 is formed by partially laminating a rubber elastomer 3 on a humidity permeable sheet 2. That is, humidity permeable regions 4 formed only by the part of the humidity permeable sheet 2 and stretch elastic regions 5 formed by the part of humidity permeable part 2 and the part of the rubber elastomer 3 are alternately arranged in many rows. Herein, the width of the humidity permeable regions 4 and that of the stretch elastic regions 5 are same and the rubber elastomer 3 pref. extends from one end of the humidity permeable sheet 2 to the other end thereof. By this constitution, humidity permeability and stretch elasticity can be applied at the same time.

    PHYSIOLOGICAL NAPKIN
    33.
    发明专利
    PHYSIOLOGICAL NAPKIN 失效

    公开(公告)号：JPH07136213A

    公开(公告)日：1995-05-30

    申请号：JP28949593

    申请日：1993-11-18

    Applicant: KAO CORP

    Inventor： YAMAMOTO OKIYA ,  SAKAI YOSHIHIRO ,  OGIWARA YUKARI ,  KASAI TAKAO ,  SASAJIMA YUKIO

    IPC: A61F13/56

    Abstract: PURPOSE:To provide the physiological napkin having an excellent liquid leakage preventive property, flap strength, wearability and wearing feel. CONSTITUTION:This physiological napkin has flaps 20 extending from both sides of a central absorber part 10 formed of a liquid impermeable back sheet, an absorber and liquid permeable top sheet 1. The flaps 20 described above consist of multilayered films of 30 to 90g/m basis weight formed by using >=2 kinds of thermoplastic resins.

    SANITARY NAPKIN
    34.
    发明专利
    SANITARY NAPKIN 失效

    公开(公告)号：JPH06125939A

    公开(公告)日：1994-05-10

    申请号：JP27728292

    申请日：1992-10-15

    Applicant: KAO CORP

    Inventor： BABA HIROMI ,  NAKANISHI MINORU ,  SAKAI YOSHIHIRO

    IPC: A61F13/514 ,  A61F13/15 ,  A61F13/472 ,  A61F13/56

    Abstract: PURPOSE:To provide a sanitary napkin excellent in leakage resistance and fittingness and offering a good feel when worn. CONSTITUTION:A sanitary napkin 30 includes a center absorbent portion 10 formed by a liquid impermeable backing sheet, an absorbent 3 composed mainly of pulp fiber and a highly absorptive polymer, and a liquid permeable top sheet 1, and a pair of flaps 20 extending outward from the center of each side of the center absorbent portion, and the back sheet 2 is made of a film layer having a thickness of 10 to 100mum and the flaps 20 are each formed by the extended portion of the backing sheet 2 with an irregularity 21 of depth 0.1 to 1mm formed on the surface thereof at a density of 5 to 50/cm .

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