Electronic telecommunication articles are described comprising a layer of fluoropolymer composition comprising a fluoropolymer or fluoropolymer blend comprising at least 1 wt. % and less than 30 wt. % of polymerized units of unsaturated (per)fluorinated alkyl ether(s). Also described are methods of making a coated substrate, a substrate comprising a fluoropolymer composition, and fluoropolymer compositions.

Electronic telecommunication articles are described comprising a layer of fluoropolymer composition comprising: an amorphous fluoropolymer comprising at least 80, 85, or 90% by weight of polymerized units perfluorinated monomers including one or more unsaturated perfluorinated alkyl ethers; and crystalline fluoropolymer; wherein the fluoropolymer composition lacks crosslinks of a chemical curing agent. Also described are methods of making a coated substrate, substrates comprising a fluoropolymer composition, and fluoropolymer compositions.

Electronic telecommunication articles are described comprising a layer of fluoropolymer composition comprising: an amorphous fluoropolymer comprising at least 80, 85, or 90% by weight of polymerized units perfluorinated monomers including one or more unsaturated perfluorinated alkyl ethers; and crystalline fluoropolymer; wherein the fluoropolymer composition lacks crosslinks of a chemical curing agent. Also described are methods of making a coated substrate, substrates comprising a fluoropolymer composition, and fluoropolymer compositions.

A cyanoethyl group-containing polymer and a preparation method thereof are provided. The cyanoethyl group-containing polymer is characterized by having very low contents of functional groups other than cyanoethyl groups.

A cyanoethyl group-containing polymer and a preparation method thereof are provided. The cyanoethyl group-containing polymer is characterized by having very low contents of functional groups other than cyanoethyl groups.

To provide a curable fluorinated polymer excellent in solubility in an alcohol, a method for its production and a cured product of the fluorinated polymer. A fluorinated polymer comprising units represented by the following formula (1), wherein in at least some of the units represented by the formula (1), Z.sup.1 is NR.sup.1NR.sup.2H or NR.sup.3OR.sup.4: ##STR00001##
in the formula (1), X.sup.1 and X.sup.2 are each independently a hydrogen atom or a fluorine atom, Q.sup.1 is a single bond or an etheric oxygen atom, R.sup.f1 is a fluoroalkylene group, or a fluoroalkylene group with at least 2 carbon atoms, having an etheric oxygen atom between carbon-carbon atoms, Z.sup.1 is NR.sup.1NR.sup.2H, NR.sup.3OR.sup.4 or OR.sup.5, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently a hydrogen atom or an alkyl group, and R.sup.5 is an alkyl group.

The present invention provides a fluorine-containing, silicon-containing compound of formula (I):

T.sup.1-(A-B).sub.n-T.sup.2

which is useful as an additive.

The present invention provides a fluorine-containing, silicon-containing compound of formula (I):

T.sup.1-(A-B).sub.n-T.sup.2

which is useful as an additive.

The present invention provides a water-soluble film having excellent solubility in cold water, high strength, and excellent hard-water resistance. The present invention also provides a method for simply producing such a water-soluble film. One aspect of the present invention relates to a water-soluble film including a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The anionic group-containing polymer excludes an acrylic acid homopolymer. Another aspect of the present invention relates to a method for producing a water-soluble film that includes a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The method includes mixing a polymer containing an anionic group other than a sulfonic acid (salt) group and a water-soluble resin.

The present invention provides a water-soluble film having excellent solubility in cold water, high strength, and excellent hard-water resistance. The present invention also provides a method for simply producing such a water-soluble film. One aspect of the present invention relates to a water-soluble film including a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The anionic group-containing polymer excludes an acrylic acid homopolymer. Another aspect of the present invention relates to a method for producing a water-soluble film that includes a polymer containing an anionic group other than a sulfonic acid (salt) group, and a water-soluble resin. The method includes mixing a polymer containing an anionic group other than a sulfonic acid (salt) group and a water-soluble resin.