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US 2006/0135715 A1Published application
Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes
OwnerZhen-Yu Yanginventor
Life of this patent
Estimating the term…
Abstract
A monomer having the structure (I) wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine; and n is 1 or 2. These monomers are used in the preparation of homopolymers and copolymers that are useful in preparing polymer electrolyte membranes. Electrochemical cells, such as fuel cells, containing these membranes are also described.
Claims30
A monomer having the following structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine;
- and
- n is 1 or 2.
A homopolymer having the following structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- n is 1 or 2.
A copolymer selected from the group consisting of:
- (a) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m and x are mole fractions wherein m is 0.01 to 0.99 and
- x is 0.99 to 0.01;
- and
- x+m=1
- (b) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m, x and z are mole fractions wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01, and
- z is 0.0001 to 0.10
- m+x+z=1.
19 more elements
A polymer electrolyte membrane prepared from a homopolymer or copolymer selected from the group consisting of:
- (a) a homopolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- n is 1 or 2;
- (b) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m and x are mole fractio wherein m is 0.01 to 0.99 and
- x is 0.99 to 0.01;
- and
- x+m=1;
- and
- (c) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m, x and z are mole fraction wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01, and
- z is 0.0001 to 0.10
- m+x+z=1;
- and mixtures thereof.
24 more elements
-30. (canceled)
A polymer electrolyte membrane selected from the group consisting of:
- (a) a membrane having the chemical structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Q=OM, OH, NHSO2RF, wherein M=Li+, Na, K or Cs,
- n=1 or 2;
- (b) a membrane having the chemical structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- Q=OM, OH, NHSO2RF, wherein M=Li+, Na+, K+ or Cs+,
- n is 1 or 2,
- m and x are mole fractions wherein m is 0 to 0.99,
- x is 1 to 0.001, and
- x+m=1;
- and
- (c) a membrane having the chemical structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- Q=OM, OH, NHSO2RF, wherein M=Li+, Na+, K+ or Cs+,
- n is 1 or 2,
- m, x and z are mole fractions wherein m is 0.01 to 0.99
- x is 0.99 to 0.01,
- z is 0.0001 to 0.10, and
- m+x+z=1
25 more elements
A membrane electrode assembly comprising a polymer electrolyte membrane, having a first surface and a second surface, wherein the membrane is prepared from a homopolymer or copolymer selected from the group consisting of:
- (a) a homopolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- n is 1 or 2;
- (b) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m and x are mole fractions wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01;
- and
- x+m=1;
- and
- (c) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m, x and z are mole fractions wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01, and
- z is 0.0001 to 0.10
- m+x+z=1;
- and mixtures thereof.
24 more elements
(canceled)
-47. (canceled)
A electrochemical cell comprising a membrane electrode assembly, wherein the membrane electrode assembly comprises a polymer electrolyte membrane, having a first surface and a second surface, wherein the membrane is prepared from a homopolymer or copolymer selected from the group consisting of:
- (a) a homopolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- n is 1 or 2;
- (b) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m and x are mole fractions wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01,
- x+m=1, and
- (c) a copolymer having the structure:
- wherein RF is linear or branched perfluoroalkene group, optionally containing oxygen or chlorine,
- Y is H;
- halogen such as Cl, Br, F or I;
- linear or branched perfluoroalkyl groups, wherein the alkyl group comprises C1 to C10 carbon atoms;
- or a perfluoroalkyl group containing oxygen, chlorine or bromine, and wherein the alkyl group comprises C1 to C10 carbon atoms,
- n is 1 or 2,
- m, x and z are mole fractions wherein m is 0.01 to 0.99,
- x is 0.99 to 0.01,
- z is 0.0001 to 0.10, and
- m+x+z=1;
- and mixtures thereof.
22 more elements
-58. (canceled)
Dependencies are inferred from the claim text.