A thermoplastic elastomer composition contains a styrene block copolymer (SBC), a polyolefin or copolyester-based thermoplastic elastomer and uncoated hollow glass spheres, wherein the polyolefin or thermoplastic elastomer is functionalized by a grafting reaction with a vinyl alkoxysilane, a vinyl acyloxysilane, a methacryloxyalkyl alkoxysilane or a methacryloxyalkyl acyloxysilane or with an anhydride of an unsaturated organic acid. A method for producing a thermoplastic elastomer using the thermoplastic elastomer composition, and the thermoplastic elastomer obtained in the process are also disclosed. Furthermore, various uses of the thermoplastic elastomer, in which a thermoplastic elastomer having low density and yet good mechanical properties is required, are disclosed.

A thermoplastic elastomer composition contains a styrene block copolymer (SBC), a polyolefin or copolyester-based thermoplastic elastomer and uncoated hollow glass spheres, wherein the polyolefin or thermoplastic elastomer is functionalized by a grafting reaction with a vinyl alkoxysilane, a vinyl acyloxysilane, a methacryloxyalkyl alkoxysilane or a methacryloxyalkyl acyloxysilane or with an anhydride of an unsaturated organic acid. A method for producing a thermoplastic elastomer using the thermoplastic elastomer composition, and the thermoplastic elastomer obtained in the process are also disclosed. Furthermore, various uses of the thermoplastic elastomer, in which a thermoplastic elastomer having low density and yet good mechanical properties is required, are disclosed.

Fluoropolymer compositions containing glass microspheres are described. The glass microspheres are surface-treated with functional, fluorinated silane compounds of the formula X—R.sub.f—(O).sub.p—(CH.sub.2).sub.m—Si—Y.sub.3, wherein X is selected from the group consisting of CF.sub.2═CF—O—, CH.sub.2═CH—, CH.sub.2═CHCH.sub.2—, CH.sub.2═CHCH.sub.2—O—, and CH.sub.2═CHCH.sub.2—O—CH.sub.2—.

Fluoropolymer compositions containing glass microspheres are described. The glass microspheres are surface-treated with functional, fluorinated silane compounds of the formula X—R.sub.f—(O).sub.p—(CH.sub.2).sub.m—Si—Y.sub.3, wherein X is selected from the group consisting of CF.sub.2═CF—O—, CH.sub.2═CH—, CH.sub.2═CHCH.sub.2—, CH.sub.2═CHCH.sub.2—O—, and CH.sub.2═CHCH.sub.2—O—CH.sub.2—.

Fluoropolymer compositions containing glass microspheres are described. The glass microspheres are surface-treated with functional, fluorinated silane compounds of the formula X—R.sub.f—(O).sub.p—(CH.sub.2).sub.m—Si—Y.sub.3, wherein X is selected from the group consisting of CF.sub.2═CF—O—, CH.sub.2═CH—, CH.sub.2═CHCH.sub.2—, CH.sub.2═CHCH.sub.2—O—, and CH.sub.2═CHCH.sub.2—O—CH.sub.2—.

The resin composition according to one aspect is a resin composition containing a polyamic acid and a solvent, wherein the polyamic acid has a repeating unit represented by the following general formula (1) in a molecular chain, and the molecular chain has a structure represented by the following general formula (2) at one end or both ends. The proportion of the structure represented by the following general formula (2) relative to 1 mol of the repeating unit represented by the following general formula (1) is 0.001 mol or more and 0.1 mol or less. In the following general formulas, R.sup.1 is a tetravalent organic group; R.sup.2 is a divalent organic group; and R.sup.3 is an organic group having 15 or less carbon atoms.

##STR00001##

The resin composition according to one aspect is a resin composition containing a polyamic acid and a solvent, wherein the polyamic acid has a repeating unit represented by the following general formula (1) in a molecular chain, and the molecular chain has a structure represented by the following general formula (2) at one end or both ends. The proportion of the structure represented by the following general formula (2) relative to 1 mol of the repeating unit represented by the following general formula (1) is 0.001 mol or more and 0.1 mol or less. In the following general formulas, R.sup.1 is a tetravalent organic group; R.sup.2 is a divalent organic group; and R.sup.3 is an organic group having 15 or less carbon atoms.

##STR00001##

Provided herein is a resin composition containing milled fibreglass and graphene. Also provided herein is a composite material containing cured resin composition, fibreglass reinforced resin containing the composite material and further fibreglass, a laminate including a layer of the fibreglass reinforced resin, and methods of making the resin composition, composite material and fibreglass reinforced resin. The composition, composite material and fibreglass reinforced resin and laminate find use in, for example, the construction of swimming pools and spa pools.

Provided herein is a resin composition containing milled fibreglass and graphene. Also provided herein is a composite material containing cured resin composition, fibreglass reinforced resin containing the composite material and further fibreglass, a laminate including a layer of the fibreglass reinforced resin, and methods of making the resin composition, composite material and fibreglass reinforced resin. The composition, composite material and fibreglass reinforced resin and laminate find use in, for example, the construction of swimming pools and spa pools.

A composite cooling film including a reflective nonporous inorganic-particle-filled organic polymeric layer, an ultra-violet-protective layer or layers, and an antisoiling layer.