Dissolution of polyurethane foams and re-use of the products...

Details Dissolution of polyurethane foams and re-use of the products... Dissolution of polyurethane foams and re-use of the products...

C - Chemistry, Metallurgy

08

J

400/102, 403/8

C08J 9/38 (2006.01) C08J 11/00 (2006.01) C08J 11/24 (2006.01)

Patent

CA 1102481

ABSTRACT OF THE DISCLOSURE A recycling process for flexible polyurethane foam which comprises dissolving the foam in low molecular weight diol, admixing therewith high molecular weight polyol that is suitable for preparation of flexible urethane foam, removing under vacuum low molecular weight diol solvent from the admixture obtained, and recovering the residue which comprises polyol product that may be used to provide new flexible foam with desirable properties including advantageous tear strength. - 1 -

310660

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