Epoxy phosphate ester
AssigneesDow Global Technologies LLC, Rohm and Haas Company
InventorsTuoqi Li, Joseph J. Zupancic, Yinzhong Guo, Jie Wu
Life of this patent
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Abstract
Provided is a composition comprising one or more epoxy phosphate esters wherein the structure comprises two or more polyester linkages. Also provided is a method of making the epoxy phosphate esters that comprises reacting one or more epoxy-terminated polyesters with one or more phosphoric acids. Further provided is an adhesive composition that comprises one or more epoxy phosphate esters, one or more multifunctional isocyanate prepolymers, and one or more multifunctional isocyanate-reactive compounds.
Claims13
An adhesive composition comprising:
- (A) one or more multi-functional isocyanate prepolymers comprising (i) one or more multifunctional isocyanate monomers, and (ii) phosphoric acid;
- (B) one or more multifunctional isocyanate-reactive compounds selected from the group consisting of polyether polyols, polyester polyols, and combinations thereof;
- and
- (C) one or more epoxy phosphate esters having structure (I)
- wherein each of R1, R2, R3, and R4 is independently hydrogen or an organic group, wherein p is 0 to 3, wherein each PEST has structure (II)
- wherein each R5 and each R6 is an organic group, wherein n is 2 or greater, wherein each EPOX has structure (III)
- and wherein each Q1 is an organic group.
An adhesive composition comprising:
- (A) a multi-functional isocyanate prepolymer comprising (i) one or more multifunctional isocyanate monomers, and (ii) castor oil;
- (B) one or more multifunctional isocyanate-reactive compounds selected from the group consisting of polyether polyols, polyester polyols, and combinations thereof;
- (C) an epoxy phosphate ester having structure (I)
- wherein each of R1, R2, R3, and R4 is independently hydrogen or an organic group, wherein p is 0 to 3, wherein each PEST has structure (II)
- wherein each R5 and each R6 is an organic group, wherein n is 2 or greater, wherein each EPOX has structure (III)
- and wherein each Q1 is an organic group.
An adhesive composition consisting of:
- (A) one or more multi-functional isocyanate prepolymers consisting of one or more isocyanate monomers, one or more polyols, one or more multi-acids, optional phosphoric acid, and optional castor oil;
- (B) one or more multifunctional isocyanate-reactive compounds selected from the group consisting of polyether polyols, polyester polyols, and combinations thereof;
- and
- (C) an epoxy phosphate ester having structure (I)
- wherein each of R1, R2, R3, and R4 is independently hydrogen or an organic group, wherein p is 0 to 3, wherein each PEST has structure (II)
- wherein each R5 and each R6 is an organic group, wherein n is 2 or greater, wherein each EPOX has structure (III)
- and wherein each Q1 is an organic group.
Dependencies are inferred from the claim text.