Provided are SAN/SAN-ABS materials having improved mechanical and aesthetic properties.

A hydrotalcite is represented by formula (1):
(M.sup.2+).sub.1-X(M.sup.3+).sub.X(OH).sub.2(A.sup.n−).sub.X/n.Math.mH.sub.2O  (1), wherein M.sup.2+ indicates a divalent metal, M.sup.3+ indicates a trivalent metal, A.sup.n− indicates an n-valent anion, n indicates an integer of 1 to 6, 0.17≤x≤0.36, and 0≤m≤10. The hydrotalcite has (A) a lattice strain in the <003> direction is 3×10.sup.−3 or less as measured using an X-ray diffraction method; (B) primary particles with an average width between 5 nm and 200 nm inclusive per a SEM method; and (C) a degree of monodispersity of 50% or greater (degree of monodispersity (%)=(average width of primary particles as measured using the SEM method/average width of secondary particles as measured using a dynamic light scattering method)×100). A resin containing the hydrotalcite, a suspension containing the hydrotalcite and a method for producing the hydrotalcite are disclosed.

A fluorine-containing alcohol composite comprising a condensate of a fluorine-containing alcohol represented by the general formula: HO-A-R.sub.F-A-OH [I] (wherein R.sub.F is a group containing a perfluoroalkylene group or a polyfluoroalkylene group having 6 or less carbon atoms and an ether bond, and A is an alkylene group having 1 to 3 carbon atoms), a hydroxyl group-containing polymer, and a zirconium compound. The fluorine-containing alcohol composite, using a fluorine-containing alcohol, does not produce perfluorooctanoic acid and the like when released into the environment and that has a unit easily decomposed into short chain compounds. And also, it exhibits hydrophilic oil repellency.

A fluorine-containing alcohol composite comprising a condensate of a fluorine-containing alcohol represented by the general formula: HO-A-R.sub.F-A-OH [I] (wherein R.sub.F is a group containing a perfluoroalkylene group or a polyfluoroalkylene group having 6 or less carbon atoms and an ether bond, and A is an alkylene group having 1 to 3 carbon atoms), a hydroxyl group-containing polymer, and a zirconium compound. The fluorine-containing alcohol composite, using a fluorine-containing alcohol, does not produce perfluorooctanoic acid and the like when released into the environment and that has a unit easily decomposed into short chain compounds. And also, it exhibits hydrophilic oil repellency.

The present invention discloses a copolymer for a polymer electrolyte, and a gel polymer electrolyte and a lithium secondary battery which include the same. Specifically, the present invention discloses a copolymer for a polymer electrolyte, which includes (A) a fluorine-based polymer, and (B) a unit derived from an acrylate-based monomer or an acrylate-based polymer, wherein the unit derived from the acrylate-based monomer or the acrylate-based polymer is grafted on the fluorine-based polymer, and a weight ratio of the fluorine-based polymer to the unit derived from the acrylate-based monomer or the acrylate-based polymer is in a range of 1:99 to 40:60, and a gel polymer electrolyte in which lithium ion transfer capability is improved by including the same. Also, the present invention may prepare a lithium secondary battery in which high-temperature safety is improved by including the gel polymer electrolyte.

The present invention discloses a copolymer for a polymer electrolyte, and a gel polymer electrolyte and a lithium secondary battery which include the same. Specifically, the present invention discloses a copolymer for a polymer electrolyte, which includes (A) a fluorine-based polymer, and (B) a unit derived from an acrylate-based monomer or an acrylate-based polymer, wherein the unit derived from the acrylate-based monomer or the acrylate-based polymer is grafted on the fluorine-based polymer, and a weight ratio of the fluorine-based polymer to the unit derived from the acrylate-based monomer or the acrylate-based polymer is in a range of 1:99 to 40:60, and a gel polymer electrolyte in which lithium ion transfer capability is improved by including the same. Also, the present invention may prepare a lithium secondary battery in which high-temperature safety is improved by including the gel polymer electrolyte.

A rubber composition that achieves a balanced improvement in wet grip performance, abrasion resistance, and roll processability, and a pneumatic tire formed from the rubber composition. The rubber composition includes, per 100 parts by mass of a rubber component, 1-60 parts by mass of an inorganic reinforcing agent having an average particle size of 0.69 μm or less and a nitrogen adsorption specific surface area of 10-50 m.sup.2/g, the inorganic reinforcing agent being represented by the following formula: kM.sub.1.xSiO.sub.y.zH.sub.2O wherein M.sub.1 represents at least one metal selected from the group consisting of Al, Mg, Ti, Ca, and Zr, or an oxide or hydroxide of the metal; k represents an integer of 1 to 5; x represents an integer of 0 to 10; y represents an integer of 2 to 5; and z represents an integer of 0 to 10.

The disclosure relates generally to a solid polymer electrolyte for use in electrochromic devices. The solid polymer electrolyte may include a polymer framework, at least one solid plasticizer, and at least one electrolyte salt.

The disclosure relates generally to a solid polymer electrolyte for use in electrochromic devices. The solid polymer electrolyte may include a polymer framework, at least one solid plasticizer, and at least one electrolyte salt.

Provided axe porous titanate compound particles capable of giving excellent fade resistance when used in a friction material, a resin compound and a friction material each containing the porous titanate compound particles, and a method for producing the porous titanate compound particles. Porous titanate compound particles are each formed of titanate compound crystal grains bonded together and have a cumulative pore volume of 5% or more within a pore diameter range of 0.01 to 1.0 μm.