The present disclosure describes a method of crosslinking fluoroelastomers, or more precisely thermally-crosslinkable fluorine-containing polymers, and to devices such as OTFTs (organic thin film transistors) incorporating such polymers. In some embodiments, a method comprises mixing: a solvent, a thermally crosslinkable fluorine-containing polymer, and one or more organic bases to form a mixed solution. The mixed solution is deposited over a substrate to form a first layer. The first layer is then crosslinked by thermal treatment to form a crosslinked first layer. The polymer is selected from: homopolymers of vinylidene fluoride; and copolymers of vinylidene fluoride with fluorine-containing ethylenic monomers. The one or more organic bases each have a pKa of 10 to 14.

The present disclosure describes a method of crosslinking fluoroelastomers, or more precisely thermally-crosslinkable fluorine-containing polymers, and to devices such as OTFTs (organic thin film transistors) incorporating such polymers. In some embodiments, a method comprises mixing: a solvent, a thermally crosslinkable fluorine-containing polymer, and one or more organic bases to form a mixed solution. The mixed solution is deposited over a substrate to form a first layer. The first layer is then crosslinked by thermal treatment to form a crosslinked first layer. The polymer is selected from: homopolymers of vinylidene fluoride; and copolymers of vinylidene fluoride with fluorine-containing ethylenic monomers. The one or more organic bases each have a pKa of 10 to 14.

Coated articles are provided comprising: (a) a substrate that demonstrates electrical conductivity, wherein the substrate is an electronic component of a circuit assembly; (b) a moisture barrier coating layer; and (c) an encapsulating plastic coating layer. The moisture barrier coating layer may be applied to the surface of the substrate with the encapsulating plastic coating layer applied on top of the moisture barrier coating layer, or vice versa.

Coated articles are provided comprising: (a) a substrate that demonstrates electrical conductivity, wherein the substrate is an electronic component of a circuit assembly; (b) a moisture barrier coating layer; and (c) an encapsulating plastic coating layer. The moisture barrier coating layer may be applied to the surface of the substrate with the encapsulating plastic coating layer applied on top of the moisture barrier coating layer, or vice versa.

A power storage assembly having a gasket containing a copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 2.0 to 4.5% by mass with respect to the whole of the monomer units, a melt flow rate of 5 to 36 g/10 min, and the number of functional groups of CFCF.sub.2, CF.sub.2H, COF, COOH, COOCH.sub.3, CONH.sub.2 and CH.sub.2OH of more than 50 per 10.sup.6 main-chain carbon atoms, wherein the gasket has a thickness of 0.5 to 2.5 mm.

The invention pertains to a thermoplastic vulcanizate fluorine-containing composition [vulcanizate (C)], comprising a continuous thermoplastic fluoropolymer phase and a dispersed vulcanized fluoroelastomer phase, said composition comprising: -at least one thermoplastic, fluoropolymer [polymer (F)], said polymer (F) comprising (j) from 40 to 60% by moles of recurring units derived from ethylene (E); (jj) from 60 to 40% by moles of recurring units derived from at least one of chlorotrilluoroethylene (CTFE) and tetrafluoroethylene (TFE); and (jjj) from 0.5 to 10% by moles of recurring units derived from of at least one (per)fluoroalkylvinylether of formula CX2CXOR.sub.f, wherein each of X, equal to or different from each other, is independently H or F (preferably F); and R.sub.f is a C.sub.1-C.sub.12 (per)fluoroalkyl group or a C.sub.1-C.sub.12 (per)fluoro-oxy-alkyl group comprising one or more than one catenary oxygen atoms [monomer (V)], with % by moles being referred to the total moles of recurring units of the polymer (F); and -at least one (per)fluoroelastomer [elastomer (A)].

The invention pertains to a thermoplastic vulcanizate fluorine-containing composition [vulcanizate (C)], comprising a continuous thermoplastic fluoropolymer phase and a dispersed vulcanized fluoroelastomer phase, said composition comprising: -at least one thermoplastic, fluoropolymer [polymer (F)], said polymer (F) comprising (j) from 40 to 60% by moles of recurring units derived from ethylene (E); (jj) from 60 to 40% by moles of recurring units derived from at least one of chlorotrilluoroethylene (CTFE) and tetrafluoroethylene (TFE); and (jjj) from 0.5 to 10% by moles of recurring units derived from of at least one (per)fluoroalkylvinylether of formula CX2CXOR.sub.f, wherein each of X, equal to or different from each other, is independently H or F (preferably F); and R.sub.f is a C.sub.1-C.sub.12 (per)fluoroalkyl group or a C.sub.1-C.sub.12 (per)fluoro-oxy-alkyl group comprising one or more than one catenary oxygen atoms [monomer (V)], with % by moles being referred to the total moles of recurring units of the polymer (F); and -at least one (per)fluoroelastomer [elastomer (A)].

Compositions useful for forming high gloss, transparent, hard, flexible, weather- and dirt-resistant coatings on substrate surfaces are prepared using a) fluoropolymer, such as KYNAR resins and KYNAR Aquatec resins from Arkema Inc, b) fluoropolymer-miscible polymer and c) one or more ethylenically unsaturated compounds capable of being cured by free radical means, such as urethane acrylate oligomers and monomer reactive diluents from Sartomer USA, LLC. The compositions are capable of being cured by free radical polymerization induced by, for example, irradiation or heating.

Compositions useful for forming high gloss, transparent, hard, flexible, weather- and dirt-resistant coatings on substrate surfaces are prepared using a) fluoropolymer, such as KYNAR resins and KYNAR Aquatec resins from Arkema Inc, b) fluoropolymer-miscible polymer and c) one or more ethylenically unsaturated compounds capable of being cured by free radical means, such as urethane acrylate oligomers and monomer reactive diluents from Sartomer USA, LLC. The compositions are capable of being cured by free radical polymerization induced by, for example, irradiation or heating.

A coating including a relatively thin visible-absorptive layer atop a relatively thick non-absorptive, solar-scattering underlayer. The thin top layer enables efficient absorption of appropriate visible wavelengths to show specific colors, and minimizes absorption in the infrared radiation in sunlight due to its relatively small thickness. Meanwhile, the bottom layer maximizes the backscattering of infrared light without absorption to reduce solar heating.