Method for the production of expanded polymeric materials and expanded polymeric material obtained by the method
AssigneeWhirlpool Corporation
InventorArmando Luisi
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Abstract
A method for the production of expanded polymeric materials; in particular for producing thermally insulating materials used in refrigerators. The method comprising the steps of providing a mixture of reagents based on isocyanate and polyol with the addition of expandable polystyrene-based microspheres, in which method the ratio by weight between the reagents and the expandable microspheres is between, about 7:1 and about 1:2.
Claims10
A method for producing expanded polymeric materials, for thermally insulating materials used in refrigerators, of the type comprising the mixing of reagents based on isocyanate and polyol with the addition of expandable polystyrene-based microspheres, the method comprising the step of providing a ratio by weight between the reagents and the expandable microspheres of between, about 7:1 and about 1:2.
Dependencies are inferred from the claim text.