Composite sheet material

Details Composite sheet material Composite sheet material

1979-06-26

1981-08-18

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428247, 428248, 428251, 428252, 428253, 428286, 428518, 428520, 428522, B32B 2704, B32B 2706, B32B 2708

Patent

active

042846811

ABSTRACT:
A composite material comprising a layer of highly-plasticised polyvinylchloride, comprising 15 to 45% of polyvinylchloride and 55 to 85% by weight of a plasticiser, a fibrous backing, and an intermediate layer of a polymeric material between the polyvinylchloride layer and the backing, which material at least reduces the migration of plasticiser from the highly-plasticised polyvinylchloride layer to or through the backing.
This material can be bonded using an adhesive to the walls, floor, and/or ceiling of a room which is to be kept free of dust and/or bacteria, e.g. an operating theatre or computer room. The dust and/or bacteria adhere to the exposed surface of the highly plasticised PVC layer, from which they can be removed by washing. The highly plasticised PVC layer also has valuable anti-slip properties.

REFERENCES:
patent: 4104430 (1978-08-01), Fenton

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