发明名称 |
Insulating foam of low thermal conductivity and method of preparation |
摘要 |
Low thermal conductivity insulation for refrigerators and the like is produced by blowing a resinous foam in an inert (e.g., nitrogen) atmosphere with a mixture of carbon dioxide and a low thermal conductivity inert gas such as krypton or xenon. The foam is then sealed in a gas-impervious enclosure and carbon dioxide is removed therefrom, typically by inclusion in said enclosure of a solid material reacted therewith such as an alkaline reagent. The final partial pressure of the low thermal conductivity gas in the enclosure is in the range of about 20-200 torr, and the total pressure is up to 110% of said partial pressure.
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申请公布号 |
US5413848(A) |
申请公布日期 |
1995.05.09 |
申请号 |
US19940283433 |
申请日期 |
1994.08.01 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
JASTER, HEINZ;WARD, III, WILLIAM J. |
分类号 |
F16L59/05;B32B5/18;B32B27/30;B32B27/40;C01B23/00;C08J9/00;C08J9/12;F25D23/08;(IPC1-7):B32B3/26 |
主分类号 |
F16L59/05 |
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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