发明名称 |
POLYURETHANE FOAMS FOR USE IN WOUND DRESSINGS |
摘要 |
The invention provides a method of forming a polyurethane foam suitable for use as a wound-contacting layer, said method comprising: mixing 1 part by weight of an isocyanate-capped prepolymer having from 0.5 to 4.8 meq. NCO groups/ g with from 0.4 to 1.0 parts by weight of water and an effective amount of a nonvolatile pharmaceutically acceptable acid to form a prepolymer mixture; allowing said prepolymer mixture to cure to form a foamed product; followed by drying the foamed product. The invention also provides acidified polyurethane foams obtainable by this method, and wound dressings comprising such foams.
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申请公布号 |
WO9952569(A1) |
申请公布日期 |
1999.10.21 |
申请号 |
WO1999GB01131 |
申请日期 |
1999.04.14 |
申请人 |
JOHNSON & JOHNSON MEDICAL LIMITED;ADDISON, DEBORAH;BLACKLOCK, TRACY |
发明人 |
ADDISON, DEBORAH;BLACKLOCK, TRACY |
分类号 |
A61L15/16;A61L15/26;A61L15/42;C08G18/10;C08G18/80;C08G101/00;(IPC1-7):A61L15/26;A61L25/00 |
主分类号 |
A61L15/16 |
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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