A photoresist polymer is synthesized from a repeating unit that comprises a first leaving group including an ester group, and a second leaving group capable of being removed together with the first leaving group.

Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.

Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.

Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.

A surface treatment agent containing: (A) a water repellent oil repellent polymer having a repeating unit derived from at least one water repellent oil repellent monomer selected from (A1) fluorine-containing monomers and (A2) non-fluorine monomers having a hydrocarbon group with 7-40 carbon atoms; (B) a silicone polymer represented by formula R.sup.53.sub.3SiO[Si(R.sup.51).sub.2O].sub.a[Si(R.sup.51)(R.sup.52)O].sub.bSiR.sup.53.sub.3 (wherein each R.sup.51 group independently represents hydrogen, alkyl having 1-20 carbon atoms, aryl having 6-20 carbon atoms or alkoxy having 1-4 carbon atoms; each R.sup.52 independently represents a saturated hydrocarbon group having 23-40 carbon atoms; each R.sup.53 independently represents a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-4 carbon atoms or a saturated hydrocarbon group having 23-40 carbon atoms; a represents an integer of 0 or more; b represents an integer of 1 or more; and (a+b) is 10-200); and (C) a liquid medium.

A surface treatment agent containing: (A) a water repellent oil repellent polymer having a repeating unit derived from at least one water repellent oil repellent monomer selected from (A1) fluorine-containing monomers and (A2) non-fluorine monomers having a hydrocarbon group with 7-40 carbon atoms; (B) a silicone polymer represented by formula R.sup.53.sub.3SiO[Si(R.sup.51).sub.2O].sub.a[Si(R.sup.51)(R.sup.52)O].sub.bSiR.sup.53.sub.3 (wherein each R.sup.51 group independently represents hydrogen, alkyl having 1-20 carbon atoms, aryl having 6-20 carbon atoms or alkoxy having 1-4 carbon atoms; each R.sup.52 independently represents a saturated hydrocarbon group having 23-40 carbon atoms; each R.sup.53 independently represents a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-4 carbon atoms or a saturated hydrocarbon group having 23-40 carbon atoms; a represents an integer of 0 or more; b represents an integer of 1 or more; and (a+b) is 10-200); and (C) a liquid medium.

The invention relates to a copolymer comprising units derived from monomers of vinylidene fluoride and/or trifluoroethylene, as well as fluorinated monomers X comprising a double bond and a leaving group selected from among chlorine, bromine and iodine atoms, the leaving groups being partially replaced by azide groups in the copolymer.

The invention relates to a copolymer comprising units derived from monomers of vinylidene fluoride and/or trifluoroethylene, as well as fluorinated monomers X comprising a double bond and a leaving group selected from among chlorine, bromine and iodine atoms, the leaving groups being partially replaced by azide groups in the copolymer.

The invention pertains to UV-curable compositions comprising a iodine-containing (per)fluoroelastomer, and well-defined amount of certain combinations of given photoinitiators and crosslinking which are particularly effective in delivering through low temperature UV curing crosslinked parts possessing outstanding mechanical properties.

The invention pertains to UV-curable compositions comprising a iodine-containing (per)fluoroelastomer, and well-defined amount of certain combinations of given photoinitiators and crosslinking which are particularly effective in delivering through low temperature UV curing crosslinked parts possessing outstanding mechanical properties.