To provide a decorative film, whereby formation of wrinkles is suppressed when bonded to a three dimensional molded product in a stretched state, a method for producing a decorative film, a method for producing a decorative film-attached three dimensional molded product, and a fluorinated polymer composition. The decorative film of the present invention is a decorative film having at least a base film layer and a fluorinated layer containing a crosslinked fluorinated polymer, wherein the crosslinked fluorinated polymer is a crosslinked product of a crosslinkable polymer comprising units based on a fluoroolefin and units having a crosslinkable group, and the average molecular weight between crosslinking groups of the crosslinked fluorinated polymer is from 500 to 50,000.

To provide a decorative film, whereby formation of wrinkles is suppressed when bonded to a three dimensional molded product in a stretched state, a method for producing a decorative film, a method for producing a decorative film-attached three dimensional molded product, and a fluorinated polymer composition. The decorative film of the present invention is a decorative film having at least a base film layer and a fluorinated layer containing a crosslinked fluorinated polymer, wherein the crosslinked fluorinated polymer is a crosslinked product of a crosslinkable polymer comprising units based on a fluoroolefin and units having a crosslinkable group, and the average molecular weight between crosslinking groups of the crosslinked fluorinated polymer is from 500 to 50,000.

A polycyclic polyphenolic resin having repeating units derived from at least one monomer selected from the group consisting of aromatic hydroxy compounds represented by the formulas (1A) and (1B); or a polycyclic polyphenolic resin having repeating units derived from an aromatic hydroxy compound represented by the formula (C-1A), wherein the repeating units are linked to each other by a direct bonding between aromatic rings:

##STR00001##

wherein in the formula (1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 3; each n is independently an integer of 1 to 4; and in the formula (1B), R.sup.2 and m are as defined in the formula (1A), and

##STR00002##

wherein in the formula (C-1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 9; and n is an integer of 1 to 4, and each p is independently an integer of 0 to 3.

A polycyclic polyphenolic resin having repeating units derived from at least one monomer selected from the group consisting of aromatic hydroxy compounds represented by the formulas (1A) and (1B); or a polycyclic polyphenolic resin having repeating units derived from an aromatic hydroxy compound represented by the formula (C-1A), wherein the repeating units are linked to each other by a direct bonding between aromatic rings:

##STR00001##

wherein in the formula (1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 3; each n is independently an integer of 1 to 4; and in the formula (1B), R.sup.2 and m are as defined in the formula (1A), and

##STR00002##

wherein in the formula (C-1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 9; and n is an integer of 1 to 4, and each p is independently an integer of 0 to 3.

Ultra-pure methyl vinyl ether-co-maleic anhydride (PMVE/MA) copolymers and the process to produce such ultra-pure polymers by removing trace impurities are provided. A process to provide an ultra-pure methyl vinyl ether-co-maleic anhydride material by solvent washing PMVE/MA copolymer with a solvent, comprises the steps of: (1) providing a solvent system in which impurities in the copolymer matrix are soluble and in which the PMVE/MA copolymer is not soluble, and wherein the solvent system does not react with the copolymer; (2) washing a dry powder or wet filter cake of PMVE/MA copolymer with the solvent system to efficiently and effectively extract trace impurities from the matrix; (3) filtering said copolymer from the solvent system; and (4) drying the subsequent wet filter cake of said copolymer to obtain an ultra-pure methyl vinyl ether-co-maleic anhydride copolymer.

Ultra-pure methyl vinyl ether-co-maleic anhydride (PMVE/MA) copolymers and the process to produce such ultra-pure polymers by removing trace impurities are provided. A process to provide an ultra-pure methyl vinyl ether-co-maleic anhydride material by solvent washing PMVE/MA copolymer with a solvent, comprises the steps of: (1) providing a solvent system in which impurities in the copolymer matrix are soluble and in which the PMVE/MA copolymer is not soluble, and wherein the solvent system does not react with the copolymer; (2) washing a dry powder or wet filter cake of PMVE/MA copolymer with the solvent system to efficiently and effectively extract trace impurities from the matrix; (3) filtering said copolymer from the solvent system; and (4) drying the subsequent wet filter cake of said copolymer to obtain an ultra-pure methyl vinyl ether-co-maleic anhydride copolymer.

Ultra-pure methyl vinyl ether-co-maleic anhydride (PMVE/MA) copolymers and the process to produce such ultra-pure polymers by removing trace impurities are provided. A process to provide an ultra-pure methyl vinyl ether-co-maleic anhydride material by solvent washing PMVE/MA copolymer with a solvent, comprises the steps of: (1) providing a solvent system in which impurities in the copolymer matrix are soluble and in which the PMVE/MA copolymer is not soluble, and wherein the solvent system does not react with the copolymer; (2) washing a dry powder or wet filter cake of PMVE/MA copolymer with the solvent system to efficiently and effectively extract trace impurities from the matrix; (3) filtering said copolymer from the solvent system; and (4) drying the subsequent wet filter cake of said copolymer to obtain an ultra-pure methyl vinyl ether-co-maleic anhydride copolymer.

Disclosed herein are isotactic polyvinyl ethers and improved methods of making same. The method disclosed herein can produce polyvinyl ethers having a higher isotacticity as compared to polyvinyl ethers prepared with conventional methods.

Polymers are provided, in which a pendant photoinitiator moiety is linked to the polymer structure via an amide or a succinimide.

Polymers are provided, in which a pendant photoinitiator moiety is linked to the polymer structure via an amide or a succinimide.