Composite heat-insulating material and process for the productio

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

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264 468, 4284235, 4284769, B32B 2734, B32B 326

Patent

active

045005974

ABSTRACT:
A composite heat-insulating material and a process for the production thereof are described. This material is of the structure that an olefin- or styrene-based resin sheet and a urethane foam material are laminated on each other with an adhesive containing: (A) 20 to 100% by weight of a water-soluble polyimine compound selected from the group consisting of polyethyleneimine, poly(ethyleneimine-urea), and a polyaminepolyamide/ethyleneimine adduct, and (B) 80 to 0% by weight of a nitrogen atom-containing cationic or amphoteric polymer. This composite heat-insulating material is very suitable for use as a lining material for a refrigerator, for example.

REFERENCES:
patent: 3533901 (1970-10-01), Sutker
patent: 4097645 (1978-06-01), Toyoda et al.

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