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 |
US6509388(B1) |
申请公布日期 |
2003.01.21 |
申请号 |
US20010913181 |
申请日期 |
2001.11.15 |
申请人 |
JOHNSON AND JOHNSON MEDICAL LIMITED |
发明人 |
ADDISON DEBORAH |
分类号 |
A61L15/22;A61L15/26;A61L15/42;C08G18/10;C08G18/64;(IPC1-7):C08J9/08 |
主分类号 |
A61L15/22 |
代理机构 |
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地址 |
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