Release sheets for laminates with wax and alginate salt release

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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Details

427202, 4274071, 427411, 427412, 427416, 428251, 428252, 428284, 428285, 428286, 428287, 428484, 428485, 428487, 428688, B32B 3100

Patent

active

045101990

ABSTRACT:
A release sheet useful in laminating assemblies is made and contains a thermosetting resin impregnated fibrous core layer, release coated on at least one side with a mixture of wax and alginate salt, where the solids weight ratio of (wax):(alginate salt) in the coating is from about (3 to 15):(1).

REFERENCES:
patent: 3050434 (1962-08-01), Emily et al.
patent: 3215579 (1965-11-01), Hagen
patent: 4243461 (1981-01-01), Jaisle et al.
patent: 4263073 (1981-04-01), Jaisle et al.

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