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公开(公告)号:MXPA01007454A
公开(公告)日:2001-12-01
申请号:MXPA01007454
申请日:2001-07-24
Applicant: BASF AG
Inventor: FUNK RUEDIGER , HERFERT NORBERT , WANIOR MARIOLA , BROWN PATRICIA D , ENGELHARDT FRIEDRICH , WOODRUM GUY T
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公开(公告)号:ZA200502353B
公开(公告)日:2006-05-31
申请号:ZA200502353
申请日:2005-03-22
Applicant: BASF AG
Inventor: HERFERT NORBERT , AZAD MICHAEL M , MITCHELL MICHAEL A , WOODRUM GUY T , CHIANG WILLIAM G-J , BROWN PATRICIA D , ROBINSON JAMES C
IPC: A61F13/53 , A61F13/15 , A61F13/49 , A61L20060101 , A61L15/60 , B01J20060101 , B01J20/12 , B01J20/26 , C08F2/44 , C08J3/00 , C08J3/12 , C08J3/20 , C08J3/21 , C08J3/215 , C08K3/34 , C08L1/00 , C08L101/14
Abstract: Superabsorbent polymer (SAP) particels containing a clay are disclosed. The clay is added to an SAP hydrogel prior to SAP neutralization to provide particles having improved fluid acquisition rates and an improved permeability of a fluid through the swollen SAP-clay particles. Diaper cores and absorbent articles containing the SAP-clay particles also are disclosed.
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公开(公告)号:AT263788T
公开(公告)日:2004-04-15
申请号:AT00906246
申请日:2000-01-29
Applicant: BASF AG
Inventor: FUNK RUEDIGER , HERFERT NORBERT , WANIOR MARIOLA , BROWN PATRICIA D , ENGELHARDT FRIEDRICH , WOODRUM GUY T
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公开(公告)号:BR0313517A
公开(公告)日:2005-06-14
申请号:BR0313517
申请日:2003-07-24
Applicant: BASF AG
Inventor: HERFERT NORBERT , AZAD MICHAEL M , MITCHELL MICHAEL A , WOODRUM GUY T , CHIANG WILLIAM G-J , BROWN PATRICIA D , ROBINSON JAMES C
IPC: A61F13/53 , A61F13/15 , A61F13/49 , A61L15/60 , B01J20/12 , B01J20/26 , C08F2/44 , C08J3/00 , C08J3/12 , C08J3/20 , C08J3/21 , C08J3/215 , C08K3/34 , C08L1/00 , C08L101/14 , A61L15/18
Abstract: Superabsorbent polymer (SAP) particels containing a clay are disclosed. The clay is added to an SAP hydrogel prior to SAP neutralization to provide particles having improved fluid acquisition rates and an improved permeability of a fluid through the swollen SAP-clay particles. Diaper cores and absorbent articles containing the SAP-clay particles also are disclosed.
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公开(公告)号:ES2219310T3
公开(公告)日:2004-12-01
申请号:ES00906246
申请日:2000-01-29
Applicant: BASF AG
Inventor: FUNK RUDIGER , HERFERT NORBERT , WANIOR MARIOLA , BROWN PATRICIA D , ENGELHARDT FRIEDRICH , WOODRUM GUY T
IPC: A61F13/53 , A61F5/44 , A61F13/15 , A61F13/49 , A61L15/60 , B01J20/26 , B01J20/30 , C08F8/00 , C08F20/06 , C08F20/58 , C08F22/02 , C08F22/38 , C08F28/02 , C08F220/04 , C08F291/00 , C08J3/12 , C08J3/24 , C08F220/06 , A61L15/00
Abstract: Hidrogel altamente hinchable, hidrófilo y reticulado a base de monómeros polimerizados o a base de polímeros de injerto, caracterizado porque muestra un Pressure Absorbency Index
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公开(公告)号:CA2361577A1
公开(公告)日:2000-08-10
申请号:CA2361577
申请日:2000-01-29
Applicant: BASF AG
Inventor: BROWN PATRICIA D , WOODRUM GUY T , ENGELHARDT FRIEDRICH , FUNK RUDIGER , HERFERT NORBERT , WANIOR MARIOLA
IPC: A61F13/53 , A61F5/44 , A61F13/15 , A61F13/49 , A61L15/60 , B01J20/26 , B01J20/30 , C08F8/00 , C08F20/06 , C08F20/58 , C08F22/02 , C08F22/38 , C08F28/02 , C08F220/04 , C08F291/00 , C08J3/12 , C08J3/24 , C08F220/06 , A61L15/00
Abstract: The invention relates to cross-linked, hydrophilic highly swellable hydrogel s on the basis of polymerized monomers or on the basis of graft polymers that have a pressure absorbency index of ~100 and a vertical absorption under a pressure of 1922.8 Pa of at least 12 g/g. The invention further relates to a method for producing such hydrogels by radical polymerization of hydrophilic monomers containing acidic groups, their alkali metal or ammonium salts with (a) a copolymerization cross-linking agent which contains at least two ethylenically unsaturated double bonds in the molecule, and (b) with a reactive cross-linking agent A which has an ethylenically unsaturated double bond and at least one functional group that forms covalent bonds with the acidic groups of the hydrophilic polymers, a reactive cross-linking agent B which has at least two functional groups that form covalent bonds with the acidic groups of the hydrophilic polymers, and/or with ions of polyvalent alcohols, optionally in the presence of at least one graft base, to give a cross-linked, hydrophilic base polymer, reducing the base polymer in size an d subjecting the surface of the particles of the base polymer to a secondary cross-linking step. The invention further relates to the use of the highly swellable hydrogels as absorption agents for water and aqueous liquids.
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公开(公告)号:ES2256794T3
公开(公告)日:2006-07-16
申请号:ES03792227
申请日:2003-07-24
Applicant: BASF AG
Inventor: HERFERT NORBERT , AZAD MICHAEL M , MITCHELL MICHAEL A , WOODRUM GUY T , CHIANG WILLIAM G-J , BROWN PATRICIA D
IPC: A61F13/53 , A61F13/15 , A61F13/49 , A61L15/60 , B01J20/12 , B01J20/26 , C08F2/44 , C08J3/00 , C08J3/12 , C08J3/20 , C08J3/21 , C08J3/215 , C08K3/34 , C08L1/00 , C08L101/14 , A61L15/18
Abstract: Partículas superabsorbentes que comprenden: (i) alrededor de 50 a 95% en peso de un polímero superabsorbente; y (ii) alrededor de 5 a 50% en peso de una arcilla, cuyas partículas son preparadas por un método que comprende las etapas de: (a) polimerizar un monómero sin neutralizar capaz de proporcionar un polímero superabsorbente en presencia de un monómero de reticulación interna, para formar un hidrogel de polímero superabsorbente; (b) moler el hidrogel de polímero superabsorbente para formar partículas de hidrogel de polímero superabsorbente; (c) mezclar una arcilla con las partículas de hidrogel de polímero superabsorbente para formar partículas de hidrogel de polímero superabsorbente-arcilla; (d) neutralizar entonces las partículas de hidrogel de polímero superabsorbente-arcilla por adición de una cantidad suficiente de un agente neutralizante para neutralizar las partículas de hidrogel en un 50 a 100% en peso; y (e) secar las partículas de hidrogel de polímero superabsorbente-arcilla neutralizadas de la etapa (d) para proporcionar las partículas superabsorbentes.
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公开(公告)号:AU2003250154A1
公开(公告)日:2004-03-11
申请号:AU2003250154
申请日:2003-07-24
Applicant: BASF AG
Inventor: ROBINSON JAMES C , HERFERT NORBERT , AZAD MICHAEL M , MITCHELL MICHAEL A , WOODRUM GUY T , CHIANG WILLIAM G-J , BROWN PATRICIA D
IPC: A61F13/53 , A61F13/15 , A61F13/49 , A61L15/60 , B01J20/12 , B01J20/26 , C08F2/44 , C08J3/00 , C08J3/12 , C08J3/20 , C08J3/21 , C08J3/215 , C08K3/34 , C08L1/00 , C08L101/14 , A61L15/18
Abstract: Superabsorbent polymer (SAP) particels containing a clay are disclosed. The clay is added to an SAP hydrogel prior to SAP neutralization to provide particles having improved fluid acquisition rates and an improved permeability of a fluid through the swollen SAP-clay particles. Diaper cores and absorbent articles containing the SAP-clay particles also are disclosed.
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公开(公告)号:BR0007995A
公开(公告)日:2001-10-30
申请号:BR0007995
申请日:2000-01-29
Applicant: BASF AG
Inventor: FUNK RUEDIGER , HERFERT NORBERT , WANIOR MARIOLA , BROWN PATRICIA D , ENGELHARDT RITZ , WOODRUM GUY T
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