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US 5,489,491 AGranted
Curable polymer precursors for solid electrolytes
OwnerMilton N. Golovininventor
Life of this patent
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Abstract
Vinyl sulfonate-derivatized oligomers of poly(oxyalkylene)glycols or polyesters and isocyanate are urethane linked polymer precursors for the solid polymeric matrix of a solid electrolyte. The solid polymeric matrix is made by crosslinking the vinyl sulfonate-derivatized oligomer.
Claims11
A solid electrolyte polymer precursor represented by Formula I:
- V.sub.k --Y--R.sub.2-k I.
- wherein k is 1 or 2;
- R is H or C.sub.1 -C.sub.6 alkyl;
- and
- V represents Formula II:
- CH.sub.2 .dbd.C(R.sup.5)S(O.sub.2)-- II.
- wherein Y represents Formula III:
- --O(Z.sub.n D).sub.q Z.sub.n -- III.
- wherein Z.sub.n represents
- --(R.sup.2 OC(O)R.sup.3 C(O)O).sub.n --;
- D represents --C(O)NHR.sup.4 NHC(O)O--;
- R.sup.1 is H or C.sub.1 -C.sub.3 alkyl;
- R.sup.2 is C.sub.1 -C.sub.12 hydrocarbylene or oxyhydrocarbylene;
- R.sup.3 and R.sup.4 are independently C.sub.1 -C.sub.12 hydrocarbylene groups;
- R.sup.5 is H or C.sub.1 -C.sub.7 hydrocarbyl;
- n is an integer from 1 to about 50;
- and
- q is an integer from 1 to about 100.
15 more elements
Dependencies are inferred from the claim text.