Addition products from ethylene oxide-propylene oxide block...

Details Addition products from ethylene oxide-propylene oxide block... Addition products from ethylene oxide-propylene oxide block...

E - Fixed Constructions

21

B

134/54, 260/626.

E21B 43/22 (2006.01) C08L 63/00 (2006.01) C09K 8/60 (2006.01) C10G 33/04 (2006.01)

Patent

CA 1185620

Abstract of the disclosure: Addition products from ethylene oxide-propylene oxide block polymers of the formula Image wherein R denotes methyl or ethyl, n and m are numbers which are so chosen that the content of polyethylene oxide constitutes 5 to 80% of the molecular weight of the total molecule and p is a number larger that 10, and bis-glycidyl ethers of the formulae Image wherein the R1's can be identical or different and denote hydrogen, C1-C4-alkyl or halogen, in particular chlorine, A denotes a direct bond, a sulfonyl or cyclohexyl group or a group of the formula Image R2 denotes hydrogen, methyl or phenyl and a denotes an integer from 0 to 10. These addition products are used for breaking petroleum emulsions.

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