A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF.sub.2).sub.8—SO.sub.3).sub.qM.sup.2, wherein M.sup.2 is H, a metal atom, NR.sup.5.sub.4, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; R.sup.5s are each H or an organic group and are the same as or different from each other; and q is 1 or 2.

A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF.sub.2).sub.8—SO.sub.3).sub.qM.sup.2, wherein M.sup.2 is H, a metal atom, NR.sup.5.sub.4, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; R.sup.5s are each H or an organic group and are the same as or different from each other; and q is 1 or 2.

A thermoplastic composition comprising: a copolycarbonate comprising bisphenol A (BPA) carbonate units and 10-50 mol % of second carbonate units different from the BPA carbonate units; a poly(carbonate-arylate ester) copolymer comprising BPA carbonate units and 5-50 mol % of monoaryl arylate ester units; and optionally a BPA homopolycarbonate; wherein the thermoplastic composition has at least one of: a Vicat B120 softening temperature of 155° C. or greater; or a yellowness index of less than 10 on a plaque having a thickness of 3 mm and molded at a temperature of 360° C. for 5 minutes; or an increase in yellowness index of less than 5 after 600 hours of weathering per ISO 11341 on a molded plaque having a thickness of 1 mm.

The present invention provides a crosslinking agent which can improve crosslinked fluoroelastomer high-temperature vapor resistance and a crosslinked fluoroelastomer having improved high-temperature vapor resistance. The present invention provides a compound having a structure represented by the following formula (1) (in the formula, R.sup.1 to R.sup.6 are each a hydrogen atom, a substituent, or a leaving group, and two or more of R.sup.1 to R.sup.6 are leaving groups; R.sup.a to R.sup.c are each a hydrogen atom or a substituent; and n is an integer from 2 to 5).

##STR00001##

The present invention provides a crosslinking agent which can improve crosslinked fluoroelastomer high-temperature vapor resistance and a crosslinked fluoroelastomer having improved high-temperature vapor resistance. The present invention provides a compound having a structure represented by the following formula (1) (in the formula, R.sup.1 to R.sup.6 are each a hydrogen atom, a substituent, or a leaving group, and two or more of R.sup.1 to R.sup.6 are leaving groups; R.sup.a to R.sup.c are each a hydrogen atom or a substituent; and n is an integer from 2 to 5).

##STR00001##

A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; and a preparation step of adding a sulfur-based vulcanizing agent, a xanthogen compound, and a strong acid salt-based surfactant to the conjugated diene polymer latex to prepare a latex composition.

A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; and a preparation step of adding a sulfur-based vulcanizing agent, a xanthogen compound, and a strong acid salt-based surfactant to the conjugated diene polymer latex to prepare a latex composition.

A monomer material for preparing a polymer electrolyte precursor composition capable to form an in-situ polymerized polymer electrolyte, which comprises, consists essentially of, or consists of A1) a first monomer and optionally A2) a second monomer. A polymer electrolyte precursor raw material composition, a polymer electrolyte precursor composition capable to form a polymer electrolyte comprising the monomer material, a polymer electrolyte and an electrochemical device are also provided.

A monomer material for preparing a polymer electrolyte precursor composition capable to form an in-situ polymerized polymer electrolyte, which comprises, consists essentially of, or consists of A1) a first monomer and optionally A2) a second monomer. A polymer electrolyte precursor raw material composition, a polymer electrolyte precursor composition capable to form a polymer electrolyte comprising the monomer material, a polymer electrolyte and an electrochemical device are also provided.

A plant protein-furfuryl alcohol wood adhesive and a preparation method thereof are disclosed. The adhesive according to the disclosure is prepared from raw materials comprising, in parts by weight, 10 to 15 parts of a plant protein, 10 to 25 parts of furfuryl alcohol, 4 to 8 parts of water, 1 to 6 parts of a catalyst, and 0 to 20 parts of an additive.