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公开(公告)号:DE10210134A1
公开(公告)日:2003-09-18
申请号:DE10210134
申请日:2002-03-08
Applicant: BASF AG
Inventor: KIRSCH STEFAN , VOLKER FRENZ
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公开(公告)号:ID25455A
公开(公告)日:2000-10-05
申请号:ID20001607
申请日:1999-02-24
Applicant: BASF AG
Inventor: RUDIGER FUNK , VOLKER FRENZ , ULRICH RIEGEL , MATTHIAS WEISMANTEL , FRITZ ENGELHARD , THOMAS DANIEL
Abstract: The invention contains a process for the surface postcrosslinking of water-absorbing polymers in which the polymers are treated with a surface postcrosslinking solution and during or after the treatment are postcrosslinked by means of an increase in temperature and are dried, wherein the crossiinker comprises a bis-2-oxazolidinone or a poly-2-oxazolidinone comprising structural units of the formulain which R1 is branched or unbranched C1-C18-alkylene, branched or unbranched C2-C18-alkenylene, C5-C18-cycloalkylene, phenylene, naphthylene, anthracenylene, hydrocarbon-substituted phenylene, naphthylene or anthracenylene or another substituted or unsubstituted C6-C18-arylene radical, R2 is branched or unbranched C1-C18-alkylene and n is an integer from 1 to 50 or a mixture of bis-2-oxazolidinones and poly-2-oxazolidinones dissolved in an inert solvent.
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公开(公告)号:CA2437996A1
公开(公告)日:2002-10-10
申请号:CA2437996
申请日:2002-03-15
Applicant: PROCTER & GAMBLE , BASF AG
Inventor: GOLDMAN STEPHEN ALLEN , ROMANO MARIO , GORTH FELIX CHRISTIAN , VOLKER FRENZ , BECK MARTIN
IPC: A61F13/511 , A61F5/44 , A61F13/00 , A61F13/02 , A61F13/15 , A61F13/472 , A61F13/49 , A61K8/02 , A61K8/34 , A61K8/72 , A61K47/30 , A61L15/58 , A61L15/60 , A61L24/00 , A61L24/04 , A61L24/06 , A61L27/00 , C09J11/06 , C09J133/00 , C09J133/02 , C09J201/00 , C09J201/02
Abstract: The present invention relates to hydrogel adhesives for attachment to mammalian skin which exhibit particularly good compatibility with skin, in addition to excellent attachment and painless removal properties including in excess moisture conditions. Such adhesives comprise 10-60 wt% of a cross- linked hydrophilic polymer, 5-80 wt% of a water-soluble nonionic humectant, and 10-85 wt% water. The hydrophilic polymer comprises 1-50 mole% of one or more strong-acid monomers having a pKa below 3 and 50-99 mole% of one or more weak-acid monomers, having a pKa above 3, the strong-acid monomer being essentially in its salt form, and the weak-acid monomer being at least 50 mole% in its acid form, and at least 5 mole% in its salt form. The pH of the hydrogel adhesive is from 3 to 6, preferably from 3 to 5.5, most preferably 3.5 to 5. The present invention also encompasses personal care products containing said adhesives, such as disposable waste management articles, disposable absorbent articles, and various functional articles for attachment to the human body.
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