Laminated material having latent inherent delamination potential

Details Laminated material having latent inherent delamination potential Laminated material having latent inherent delamination potential

1991-11-04

1993-07-27

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 40, 428355, 4284111, 428507, 428511, 428515, 4285375, 4285377, 428913, B32B 900

Patent

active

052309444

ABSTRACT:
A laminated material having a latent inherent delamination potential which contains at least one layer comprising a thermoplastic, wherein the thermoplastic carries, at least on one side, a release layer of water-soluble or water-dispersible organic material. The material can be delaminated by a process of chopping the material and treating the material with water or steam. The laminated material is useful as, for example, a packaging material. The material can easily be delaminated into its individual layers, thus facilitating recycling of the materials.

REFERENCES:
patent: 3762987 (1973-10-01), Maruta
patent: 3855050 (1974-10-01), George
patent: 5073455 (1991-12-01), Nose
Odian, Principles of Polymerization, 2nd ed, Wiley-Interscience: New York, 1981. pp. 10-12.

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