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    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS
    1.
    发明申请
    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS 审中-公开
    吸收，挤压热塑性塑料

    公开(公告)号：WO9856430A3

    公开(公告)日：1999-03-11

    申请号：PCT/US9812219

    申请日：1998-06-11

    Applicant: DOW CHEMICAL CO

    Inventor： BLAND DAVID G ,  ROSE GENE D ,  STOBBY WILLIAM G ,  MORK STEVEN W ,  STAPLES THOMAS G ,  MCCANN GORDON D

    IPC: A61F13/53 ,  A61F13/49 ,  A61L15/42 ,  B29C44/56 ,  B29C47/78 ,  B65D81/26 ,  B65D85/50 ,  C08J9/36 ,  A61L15/00

    CPC classification number: C08J9/365 ,  A61L15/425 ,  B29C44/352 ,  B29C44/505 ,  B29C44/5627 ,  B29C47/825 ,  B29C47/90 ,  B29C47/906 ,  B65D81/264 ,  C08J9/36 ,  C08J2201/03 ,  C08J2205/05 ,  C08J2325/06 ,  Y10T428/13 ,  Y10T428/1307 ,  Y10T428/1324 ,  Y10T428/1352 ,  Y10T428/1376

    Abstract: Disclosed is an absorbent, extruded, open cell thermoplastic foam. The foam has an open cell content of about 50 percent or more and an average cell size of up to about 1.5 millimeters. The foam is capable of absorbing a liquid at about 50 percent or more of its theoretical volume capacity when absorbing a liquid. The foam preferably has an average equivalent pore size of about 5 micrometers or more. The foam preferably has a structure substantially of cell walls and cell struts. Further disclosed is a method for absorbing a liquid employing the foam by elongation of the extrudate of the extrusion die. Further disclosed is a method of enhancing absorbency of an open cell foam by applying a surfactant to an exposed surface of the foam such that it remains at the surface and does not infiltrate a substantial distance into the foam. Further disclosed is a meat tray and a diaper containing the foam.

    Abstract translation: 公开了一种吸收性挤出的开孔热塑性泡沫塑料。 泡沫的开孔含量约为50％以上，平均泡孔尺寸高达约1.5毫米。 当吸收液体时，泡沫能够吸收其理论体积容量的约50％或更多的液体。 泡沫体的平均当量孔径优选为约5微米或更大。 泡沫体优选具有基本上由细胞壁和细胞支柱构成的结构。 进一步公开了一种通过挤出模头的挤出物的伸长来吸收采用泡沫的液体的方法。 进一步公开的是通过将表面活性剂施加到泡沫的暴露表面以使其保持在表面并且不会渗透到泡沫中相当长的距离来增强开孔泡沫的吸收性的方法。 进一步公开的是含有泡沫的肉托盘和尿布。

    2.
    发明专利
    未知

    公开(公告)号：NO996110L

    公开(公告)日：1999-12-13

    申请号：NO996110

    申请日：1999-12-10

    Applicant: DOW CHEMICAL CO

    Inventor： BLAND DAVID G ,  ROSE GENE D ,  STOBBY WILLIAM G ,  MORK STEVEN W ,  STAPLES THOMAS G ,  MCCANN GORDON D

    IPC: A61F13/49 ,  A61F13/53 ,  A61L15/42 ,  B29C44/56 ,  B29C47/78 ,  B65D81/26 ,  B65D85/50 ,  C08J9/36 ,  A61L15/16

    Abstract: Disclosed is an absorbent, extruded, open cell thermoplastic foam. The foam has an open cell content of about 50 percent or more and an average cell size of up to about 1.5 millimeters. The foam is capable of absorbing a liquid at about 50 percent or more of its theoretical volume capacity when absorbing a liquid. The foam preferably has an average equivalent pore size of about 5 micrometers or more. The foam preferably has a structure substantially of cell walls and cell struts. Further disclosed is a method for absorbing a liquid employing the foam by elongation of the extrudate of the extrusion die. Further disclosed is a method of enhancing absorbency of an open cell foam by applying a surfactant to an exposed surface of the foam such that it remains at the surface and does not infiltrate a substantial distance into the foam. Further disclosed is a meat tray and a diaper containing the foam.

    4.
    发明专利
    未知

    公开(公告)号：NO996110D0

    公开(公告)日：1999-12-10

    申请号：NO996110

    申请日：1999-12-10

    Applicant: DOW CHEMICAL CO

    Inventor： BLAND DAVID G ,  ROSE GENE D ,  STOBBY WILLIAM G ,  MORK STEVEN W ,  STAPLES THOMAS G ,  MCCANN GORDON D

    IPC: A61F13/49 ,  A61F13/53 ,  A61L15/42 ,  B29C44/56 ,  B29C47/78 ,  B65D81/26 ,  B65D85/50 ,  C08J9/36 ,  A61L

    Abstract: Disclosed is an absorbent, extruded, open cell thermoplastic foam. The foam has an open cell content of about 50 percent or more and an average cell size of up to about 1.5 millimeters. The foam is capable of absorbing a liquid at about 50 percent or more of its theoretical volume capacity when absorbing a liquid. The foam preferably has an average equivalent pore size of about 5 micrometers or more. The foam preferably has a structure substantially of cell walls and cell struts. Further disclosed is a method for absorbing a liquid employing the foam by elongation of the extrudate of the extrusion die. Further disclosed is a method of enhancing absorbency of an open cell foam by applying a surfactant to an exposed surface of the foam such that it remains at the surface and does not infiltrate a substantial distance into the foam. Further disclosed is a meat tray and a diaper containing the foam.

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