A curable composition containing at least one of a haloalkyl ether (meth)acrylate or a haloalkenyl ether (meth)acrylate and, optionally, one or more different types of co-monomers is cured to provide a polymer having advantageous properties as a result of the incorporation of halogenated functionality derived from the haloalkyl/haloalkenyl ether (meth)acrylate monomer.

A photosensitive resin composition includes a resin, a photoacid generator, a solvent, and a low-molecular-weight ester compound, in which low-molecular-weight ester compound has alkali degradability and has a molecular weight of less than 1,500, and a content of the low-molecular-weight ester compound is from 0.1% by mass to 6% by mass with respect to the total solid content of the composition.

Disclosed is a salt represented by formula (I):

##STR00001##

wherein, in formula (I), Q.sup.1 and Q.sup.2 each independently represent a fluorine atom or the like, R.sup.1 and R.sup.2 each independently represent a hydrogen atom or the like, zi represents an integer of 0 to 6, and when zi is 2 or more, a plurality of R.sup.1 and R.sup.2 may be the same or different from each other, X.sup.1 represents *COO, *OCO or the like (* represents a bonding site to C(R.sup.1)(R.sup.2) or C(Q.sup.1)(Q.sup.2)), L.sup.1 represents a single bond or a divalent saturated hydrocarbon group having 1 to 28 carbon atoms or the like, R.sup.3 and R.sup.4 each independently represent a cyclic hydrocarbon group having 3 to 18 carbon atoms which may have a substituent or the like, and Z.sup.+ represents an organic cation.

Provided is a fluorine-containing polymer which has no perfluoroalkyl group of 4 or more carbon atoms and which, when formed together with a photoacid generator into a film, shows water repellency after film formation, but becomes hydrophilic by the action of an acid generated under light irradiation, and thus serves as a pattern forming material capable of forming a film with high sensitivity and resolution. A fluorine-containing polymer according to the present invention has a repeating unit of the formula (1)

##STR00001##

where R.sup.1 is a hydrogen atom, a fluorine atom or a C.sub.1-C.sub.10 alkyl group; R.sup.2 to R.sup.5 are each independently a hydrogen atom or a C.sub.1-C.sub.10 alkyl group; X is a single bond or a divalent group; Y is a C.sub.1-C.sub.3 fluoroalkyl or carboxylate (COOR) group; R is a C.sub.1-C.sub.3 fluoroalkyl group; and seven or less of hydrogen atoms contained in the substituent group may be substituted with fluorine.

A functional polymer including at least two different types of side chains, having the general formula (1), ##STR00001##
wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.

A functional polymer including at least two different types of side chains, having the general formula (1), ##STR00001##
wherein A is an at least monosubstituted alkylene or arylene group; B is an amide, ester or ether group and n is 0 or 1; F is selected from: an ester, secondary amine, amide, ether, thio ether, thio ester, and may be the same or different for the different side chains; D is a side chain intended to reversible bind to a substrate or has a coating function; E is a side chain intended to irreversible bind to a substrate, the side chain E and polymer includes 1 to 10 different side chains D and 1 to 10 different side chains E, but at least one of each, and includes a plurality of each type, whereby the different types of side chains are randomly or regularly distributed in the polymer.

The present invention relates to novel fluorine containing polymers, compositions comprising the polymers, the use of the polymers in coatings, especially in water and dirt repellent coatings, and products coated with polymer containing coatings.

A method of treating a material to achieve at least one of reducing surface wettability of the material or reducing fluid transport through the material includes exposing the material to a composition including a solution of a polymer portion and carbon dioxide for a period of time. The polymer portion includes at least one of a polyfluoroacrylate or a copolymer of a fluoroacrylate and a comonomer. A pressure of the composition is maintained above the cloud point of the polymer portion at a concentration thereof in the carbon dioxide for the period of time.

Described herein is a pressure sensitive adhesive is comprising: (a) a high molecular weight (meth)acrylate polymer wherein the high molecular weight (meth)acrylate polymer is derived from (i) a C4 to C24 (meth)acrylate ester monomer; and (ii) 0 to less than 10 wt % of a polar comonomer based on the weight of the high molecular weight (meth)acrylate polymer; and (b) 10 to 100 parts of a low molecular weight fluorinated polymer per 100 parts of the high molecular weight (meth)acrylate polymer, wherein the low molecular weight fluorinated polymer has a glass transition temperature (Tg) of less than 40 C. The low molecular weight fluorinated polymer is preferably derived from fluorinated (meth)acrylate, fluorinated (meth)acrylate comprising a sulfonylamide group, fluorinated vinyl monomers, fluorinated vinyl ethers, or fluorinated styrene.

A solid polymer electrolyte having high mechanical strength and ion conductivity, and a lithium secondary battery including the same.