发明名称 |
HYDROPHILE, OFFENZELLIGE, ELASTISCHE SCHAUMSTOFFE AUF BASIS VON MELAMIN/FORMALDEHYD-HARZEN, IHRE HERSTELLUNG UND IHRE VERWENDUNG IN HYGIENEARTIKELN |
摘要 |
Hydrophilic open-celled resilient foams containing melamine-formaldehyde resins, characterized by a droplet absorption rate of less than 5 seconds and an EU standard EN ISO 14184-1 formaldehyde emission of less than 100 mg of formaldehyde/kg of foam, and obtainable by(a) heating an aqueous solution or dispersion each containing at least a melamine-formaldehyde precondensate, an emulsifier, a blowing agent and a curing agent to form a foam and crosslink the precondensate,(b) then conditioning the foam at from 120 to 300° C. for from 1 to 180 minutes to remove volatiles, and(c) treating the foam during the conditioning or thereafter with at least one hydrophilicizer and/or with ozone, a corona discharge or a plasma,are useful in hygiene articles to acquire, distribute and immobilize body fluids. |
申请公布号 |
AT309293(T) |
申请公布日期 |
2005.11.15 |
申请号 |
AT20010985717T |
申请日期 |
2001.09.20 |
申请人 |
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发明人 |
HAEHNLE, HANS-JOACHIM;BAUMGARTL, HORST;BECK, MARTIN;HERFERT, NORBERT;MOHR, BERNHARD;HUFF, JUERGEN |
分类号 |
A61F13/53;A61F13/00;A61F13/02;A61F13/15;A61F13/49;A61L15/26;A61L15/42;C08G12/32;C08J9/14;C08J9/36 |
主分类号 |
A61F13/53 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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