A polysiloxane-polyester block copolymer is provided, which comprises: (i) a siloxane resin block comprising: a siloxane unit represented by the formula: R.sup.1SiO.sub.3/2, wherein R.sub.1 is a monovalent hydrocarbon group, and comprising optionally a siloxane unit represented by the formula: SiO.sub.4/2; (ii) a siloxane linear block represented by the formula: (R.sup.2.sub.2SiO.sub.2/2).sub.n, wherein each R.sup.2 is independently a monovalent hydrocarbon group, and “n” is a positive number of at least 5; and (iii) a polyester block. The polysiloxane-polyester block copolymer can be used for a protective coating on a substrate which is made of aluminum, stainless steel, iron, plastics or glass to provide durable heat-resistance, hot hardness, release and anti-graffiti properties.

A plant-based functional polyester filament and a preparation method of the plant-based functional polyester filament are provided. The plant-based functional polyester filament includes polyester, and plant extract in a weight percentage range of approximately 0.1%-1.5%. The plant extract includes one or more of a peppermint extract, a valerian extract, a lavender extract, a wormwood extract, a chitin extract and a seaweed extract. The method includes preparing a plant-based functional polyester masterbatch, including: heating polyethylene terephthalate (PET) chips to a molten state, adding an antioxidant and a dispersant to the molten PET, stirring the molten PET, adding a protective agent and a plant extract to the molten PET, stirring the molten PET at a high speed, adding a modifier to the molten PET, obtaining a mixture by uniformly mixing the molten PET, and performing an extrusion granulation process on the mixture.

A plant-based functional polyester filament and a preparation method of the plant-based functional polyester filament are provided. The plant-based functional polyester filament includes polyester, and plant extract in a weight percentage range of approximately 0.1%-1.5%. The plant extract includes one or more of a peppermint extract, a valerian extract, a lavender extract, a wormwood extract, a chitin extract and a seaweed extract. The method includes preparing a plant-based functional polyester masterbatch, including: heating polyethylene terephthalate (PET) chips to a molten state, adding an antioxidant and a dispersant to the molten PET, stirring the molten PET, adding a protective agent and a plant extract to the molten PET, stirring the molten PET at a high speed, adding a modifier to the molten PET, obtaining a mixture by uniformly mixing the molten PET, and performing an extrusion granulation process on the mixture.

The present invention relates to a thermoplastic molding composition comprising a thermoplastic polyester, a metal salt of formula (I), a halogen-containing flame retardant, and an anti-dripping agent; a method of producing fibers, foils and moldings comprising the use of the thermoplastic molding composition; and a fiber, foil or molding obtained from the thermoplastic molding composition.

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The present invention relates to a thermoplastic molding composition comprising a thermoplastic polyester, a metal salt of formula (I), a halogen-containing flame retardant, and an anti-dripping agent; a method of producing fibers, foils and moldings comprising the use of the thermoplastic molding composition; and a fiber, foil or molding obtained from the thermoplastic molding composition.

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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—.

A coating solution comprising an organic solvent solution containing polyol-crosslinkable fluororubber, a polyol vulcanizing agent, and N-phenyl-3-aminopropyltrialkoxysilane, preferably a coating solution further containing an epoxy resin in addition thereto, and a fluororubber metal laminated sheet formed by applying the above coating solution to a metal sheet, followed by vulcanization. The coating solution can not only impart stability over time to the fluororubber paste, but also improve the interlayer adhesion and abrasion resistance of the fluororubber metal laminated sheet. Therefore, when it is used as a cylinder head gasket, it is possible to cope with the reduction in rigidity due to the increase in combustion pressure of the engine, and with weight saving. As a result, it will greatly contribute to the improvement of fuel efficiency of automobiles.

A coating solution comprising an organic solvent solution containing polyol-crosslinkable fluororubber, a polyol vulcanizing agent, and N-phenyl-3-aminopropyltrialkoxysilane, preferably a coating solution further containing an epoxy resin in addition thereto, and a fluororubber metal laminated sheet formed by applying the above coating solution to a metal sheet, followed by vulcanization. The coating solution can not only impart stability over time to the fluororubber paste, but also improve the interlayer adhesion and abrasion resistance of the fluororubber metal laminated sheet. Therefore, when it is used as a cylinder head gasket, it is possible to cope with the reduction in rigidity due to the increase in combustion pressure of the engine, and with weight saving. As a result, it will greatly contribute to the improvement of fuel efficiency of automobiles.

A one-part room temperature vulcanisable (RTV) silicone composition containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which cures to a silicone elastomer which may be used as a clear sealant which avoids discolouration and loss of adhesion upon aging.