FR2740139A1 - Foamed gels of synthetic polymers - Google Patents

Abstract

Foamed products made by the foaming of gels based on polyurethanes, butadienes, silicones, PVC, polypropylene, polyethylene, polybutylene or styrenes, using any chemical or mechanical means for forming the foam.

Description

The present invention relates to the new design of a visco-elastic, self-retracting, self-adhesive, pneumatic and elastomeric polymerized gel foam.

The new concept resides in obtaining a gel foam, the qualities of which are designated above; of variable density, obtained mechanically or chemically.

According to particular chemical or mechanical embodiments, the foam is obtained from formulations of synthetic gels such as:
Polyurethane gels.

 Polyether gels.

 Butadian gels.

 Polysiloxane gels.

 P.V.C.Gels

 Propylenes gels.

 Butylene gels.

 Ethylene gels.

whose elastomeric mass and density are chosen to obtain a good result according to the invention of the foam gel, by any mechanical means (inclusion of compressed air) or else by chemical means. The final viscosity of the foam gel will have a hardness of 5 to 20 on the penetrometer according to NF 66004
The gel foam can be treated with self-extinguishing.

In the past, the products made from synthetic gels for medical or industrial use were far too heavy for patient sufferers, so an anti-decubitus cushion of 40cm / 40cm / 3cm weighs at least 4kas800.

Our invention allows to choose the density of the gel foam, and, consequently, to choose the final weight of the cushion.

 The particular interest of our invention lies in obtaining a particularly effective device in the treatment of bedsores and the comfort of bedridden people, thanks to the gel effect of the material doubled by the pneumatic effect of the foam. gel.

The manufacture of the foam may be obtained by any chemical means such as the use of blowing agents authorized by law in the formulations of foams, or indeed any mechanical means using the inclusion of air, or of C02.

The principle of our invention being to obtain a closed cell gel foam, by any means at our disposal, and that it is rather a question of patenting a finished product such as a sticky, self-retracting reticle foam gel. . According to particular embodiments can be manufactured: seat cushions for the disabled, aniti-bedsore cushions, armchair cushions, cushions and mattresses for low back pain, operating table mattresses car cushions, sporting goods etc.

The invention is particularly intended for the treatment and prevention of bedsores, it can be used at the request of any application.

Claims (6)

R E V E N D I C A T I 0 N S 1) Synthetic gel device chosen from the formulations  gels of the following materials: polyurethanes, butadian, sili-  cones, pvc, polypropylenes, ethylenes, styrenesbutylenes, which  lather by any mechanical or chemical means.  pneumatic, and visco-elastic.  synthetic gel which is self-adhesive, self-shrinking,  2 'Device according to claim 1 characterized by the foam 3) Device according to claims 1 and 2 characterized by the  gel foam which may be of variable density. 4) Device according to claims 1,2, and 3, characterized  by gel foam which can be manufactured by any means  mechanical. 5) Device according to claims 1,2,3, and 4, characterized by  gel foam which can be made by any means  chemicals. 6) Device according to claims 1,2,3,4, and 5, characterized by  the gel foam which may be used for the manufacture of  anti-decubitus cushions, or any medical, industrial use  els, and especially in the field of the sports industry.