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Phenolic resin curing consists of foam vacuum insulation material for the core member and the vacuum insulation material and a manufacturing method thereof using the same
Phenolic resin curing consists of foam vacuum insulation material for the core member and the vacuum insulation material and a manufacturing method thereof using the same
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机译:酚醛树脂固化包括用于芯部件的泡沫真空绝热材料和真空绝热材料及其使用其的制造方法
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摘要
The present invention relates to a core material for a vacuum insulation panel that is formed with a phenolic resin, a vacuum insulation panel using the core material, and a method for manufacturing the vacuum insulation panel. More particularly, the core material is formed with a cured phenolic resin foam having a closed cell content of 20% or less. The cured phenolic resin foam includes cells whose average diameter is adjusted to 50 to 500 µm. The cells have fine holes with an average diameter of 0.5 to 30 µm on the surfaces thereof to allow the cured phenolic resin foam to have a void content of at least 50%. The use of the cured phenolic resin foam ensures high thermal insulation performance and improved structural strength of the core material, and enables the production of the core material at reduced cost.
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