Abstract: A composition including a fluorine-containing polymer and a silicon-containing compound, wherein the phosphorus content in the composition is 20 ppm or less. Also disclosed is a molded article obtained from the composition, and a second composition containing a fluorine-containing polymer and a silicon-containing polymer, wherein a content of an amide solvent in the composition is less than 1000 ppm.

Abstract: A compound of the formula (III): wherein R21 is a hydrogen atom or an alkyl group; R22 is a hydrogen atom or an alkyl group; and R23 is a divalent organic group.

Abstract: A composition including a composite particle and a fluorine-containing polymer, wherein the composite particle comprises a polymer and an inorganic particle dispersed in the polymer, and the polymer contains an acid group-containing monomer unit. Also disclosed is a molded article obtained from the composition.

Abstract: A composition including a fluorine-containing polymer, at least one carboxylic acid compound selected from a dicarboxylic acid compound having a specific structure and a monocarboxylic acid compound having a specific structure; and at least one cross-linking compounding agent selected from a primary amine compound, a secondary amine compound, an inorganic nitride, an organic tin compound, a peroxide cross-linking agent, a polyol cross-linking agent, a polyamine cross-linking agent, an oxazole cross-linking agent, an imidazole cross-linking agent, and a thiazole cross-linking agent. Also disclosed is a molded article obtained from the composition.

Abstract: A composition having excellent scorch resistance and storage stability, the composition containing composite particles and a fluoropolymer, and the composite particles including a polymer and inorganic particles dispersed in the polymer.

Abstract: The invention provides a novel polymer, a composition, and a molded article. The polymer contains a constitutional unit represented by the following formula (1): wherein X11 and X12 are the same as or different from each other, and are each a hydrogen atom, an alkyl group optionally containing a fluorine atom, or a phenyl group; Y11 is an oxygen atom or a sulfur atom; Rf11 is a hydrogen atom or an alkyl group optionally containing a fluorine atom; and a is an integer of 1 to 4.

Abstract: The present invention provides a compound represented by formula (I) wherein symbols in the formula are as defined in the specification.

Abstract: A silsesquioxane compound represented by the following formula (I): (RaSiO1.5)n, wherein Ra is, each independently at each occurrence, Rb or Rc; provided that at least one Ra is Rb; Rb is —R1—CF2—R2—R3; R1 is a divalent group; R2 is a divalent polymer chain; R3 is a halogen atom or a hydrogen atom; Rc is a hydrogen atom, an alkyl group, a phenyl group, or —(OSiR152)j—R15; R15 is, each independently at each occurrence, a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; j is, each independently at each occurrence, an integer of 1 to 3; and n is an arbitrary integer.

Abstract: An iodine compound represented by formula (3) and a polymerization inhibitor including the iodine compound, wherein R21 to R25 are as defined herein, X1 is an n1-valent group, and n1 is an integer of 1 to 10:

Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.

Abstract: A crosslinkable elastomer composition including a crosslinkable elastomer and a surface-oxidized non-oxide ceramic. Also disclosed is a fluoroelastomer molded article having a weight reduction percentage of 2.5% by mass or less and an amount of particles generated of 0.05% by mass or less after O2 plasma irradiation, a weight reduction percentage of 1.8% by mass or less, an amount of particles generated of 0.05% by mass or less after NF3 plasma irradiation, and a compression set of 50% or less after aging at 300° C. for 70 hours.

Abstract: A fluorine-containing polybenzimidazole containing a repeating unit represented by the following formula (1): wherein Rf is —SO2—, —O—, —CO—, an alkylene group optionally containing a substituent, or a group represented by the following: wherein two Xs are each individually a hydrogen atom or a monovalent organic group; and R1 is a divalent organic group. Also disclosed is a polybenzimidazole precursor polyamide, a polybenzimidazole production method, film, flexible wiring board, printed circuit board, and polymer electrolyte membrane.

Abstract: The present invention provides a fluorine-containing, silicon-containing compound of formula (I): T1-(A-B)n-T2 which is useful as an additive.

Abstract: The invention provides a fluoroelastomer composition that can be crosslinked at an industrially sufficient rate without the use of a graphene having specific surface properties and can provide a fluoroelastomer molded article having higher tensile strength and better abrasion resistance than conventional fluoroelastomer molded articles even though having a similar tensile modulus to conventional fluoroelastomer molded articles. The fluoroelastomer composition contains a fluoroelastomer that contains a crosslinkable group-containing monomer unit and an elongated sheet-shaped graphene. The graphene exhibits a ratio (L/W) of a maximum length (L) and a width (W) of 2 to 105, and the graphene exhibits a ratio (L/T) of the maximum length (L) and a thickness (T) of 1×101 to 1×107.

Abstract: A compound of the formula (III): wherein R21 is a hydrogen atom or an alkyl group; R22 is a hydrogen atom or an alkyl group; and R23 is a divalent organic group.

Abstract: The present invention provides a compound of the formula (I): wherein, A is R6(R7)s, N, O, S, or —NR5—; R6 is an s-valent organic group; R7 is each independently, —O—, —S—, —NR5— or —O—P(?O)OR4?—; R2 and R3 are each independently a hydrogen atom or a hydrocarbon group; R4? is each independently, a hydrocarbon group; R5 is each independently, a hydrogen atom or a hydrocarbon group; and s is an integer of 1-10.

Abstract: The invention provides a novel polymer, a composition, and a molded article. The polymer contains a constitutional unit represented by the following formula (1): wherein X11 and X12 are the same as or different from each other, and are each a hydrogen atom, an alkyl group optionally containing a fluorine atom, or a phenyl group; Y11 is an oxygen atom or a sulfur atom; Rf11 is a hydrogen atom or an alkyl group optionally containing a fluorine atom; and a is an integer of 1 to 4.

Abstract: The present invention provides a compound of the formula (I): wherein, R1 is a hydrogen atom or a hydrocarbon group; R2 is —R4—R5; R3 is —R4—R5 or —R4—R6; R4 is a divalent organic group; R5 is OH, SH, COOH or NHR9; R9 is a hydrogen atom or an alkyl group having 1-6 carbon atoms; and R6 is a hydrogen atom or an alkyl group having 1-6 carbon atoms.

Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against both fluorine plasma exposure and oxygen plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a cage silsesquioxane having a specific structure.

Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.