Adhesive system for use in preparing membrane elements for...

Details Adhesive system for use in preparing membrane elements for... Adhesive system for use in preparing membrane elements for...

C - Chemistry, Metallurgy

09

J

117/67, 182/14.2

C09J 5/02 (2006.01)

Patent

CA 1231597

ABSTRACT OF THE DISCLOSURE In fabricating membrane elements, and especially spiral wound membrane elements, for the separation of extraction solvents, especially N-methyl-2-pyrrolidone (NMP) from extracted oil fractions (e.g., extract of raffinate), adhesive systems consisting of specific silicone elastomers in combination with specific primers have been identified which are useful in forming the bonds necessary to produce an element, as for example, in forming the edge-seal bonds of the membrane that is used to effect the separation, in bonding the membrane leaves to the metal or plastic components of the element, and in forming a protective outer-wrap for the element.

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