Multilayer material, process of preparation and applications

Details Multilayer material, process of preparation and applications Multilayer material, process of preparation and applications

1996-12-19

2000-02-01

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284239, 4284242, 4284248, 428409, 428500, 428516, 428517, 428520, 428522, 21617, 2168, 128844, 128918, 604 57, 604168, 604349, A41D 1900, B32B 2508

Patent

active

060200707

ABSTRACT:
Multilayer elastomer films (multilayer material) comprising at least one continuous layer, carrying an active chemical substance (such as corrosion inhibitors, lubricants or alternatively biocides for medical use), inserted between inert elastomer barrier layers, processes for the preparation and various applications of these films.
The said multilayer polymeric material comprises at least one layer A composed of a gel which is reversible or non-reversible, as a function of the temperature, and which carries at least one active chemical substance x, and at least two barrier layers E comprising a synthetic elastomer e, the said layers being held together by a polymeric bonding agent y incorporated in at least one of the said layers A or E and/or by an independent bonding layer Z comprising a polymer z and/or by a chemical or physical treatment of at least one of the said layers A or E.

REFERENCES:
patent: 5128168 (1992-07-01), Shlenker et al.
patent: 5338565 (1994-08-01), Shlenker et al.
patent: 5357636 (1994-10-01), Dresdner, Jr. et al.
patent: 5369155 (1994-11-01), Asmus
Encyclopedia of Polymer Science and Engineering (Sup. vol. 674-689), 1985.

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