Disclosed is an inorganic reinforced thermoplastic polyester resin composition that does not lose the characteristics of a polyester resin, that maintains an excellent surface appearance while having high strength and high stiffness in a formulation containing an inorganic reinforcing material, such as glass fibers, and that undergoes less warping deformation and significantly less burr formation. The polyester resin composition comprises (A) 15 mass % or more and 30 mass % or less of a polybutylene terephthalate resin, (B) 1 mass % or more and less than 15 mass % of at least one polyester resin other than polybutylene terephthalate resins, (C) 5 mass % or more and 20 mass % or less of an amorphous resin, (D) 50 mass % or more and 70 mass % or less of an inorganic reinforcing material, (E) 0.1 mass % or more and 3 mass % or less of a glycidyl group-containing styrene copolymer, (F) 0.5 mass % or more and 2 mass % or less of an ethylene-glycidyl (meth)acrylate copolymer, and (G) 0.05 mass % or more and 2 mass % or less of a transesterification inhibitor.

The application relates to an expandable polymeric composition with an enhanced processability, which comprises a polymeric base, an expanding agent, and an additive with a plasticizing effect; said polymeric composition being characterized in that: the molecular mass at the maximum peak Mp of (i) ranges from 130 kDa to 190 kDa and the centrifugal average molecular mass Mz of (i) ranges from 430 kDa to 900 kDa, the difference in the glass-transition temperature (DTg) measured between a vinyl aromatic polymer having a molecular weight distribution (MWD) of (i) and composition of the vinyl aromatic fraction alone of (i), and a polymeric composition consisting of (i) and (iii), ranges from 1 C. to 8 C.

According to the present invention, there is provided a foam molded product of thermoplastic polyester elastomer resin which exhibits light weight and excellent rebound resilience. The foam molded product is characterized in that, the foam molded product has a foamed layer consisting of a resin phase and an isolated foamed cell.

The present invention provides a hydrophobic thermoplastic starch and method for manufacturing the same, to be used as granules for making biodegradable composites. The hydrophobic thermoplastic Starch of the invention is in a granule type, has the melt flow index in the range of 0.26 g/10 min at 160 C. and has 6080 wt % of starch and the water content less than 9%.

This invention relates to a biodegradable film which is particularly suitable for the manufacture of packaging and is also characterised by high level mechanical properties.

A biodegradable polyester composition based on a total weight of the biodegradable polyester composition, including a weight content of tetrahydrofuran, which is 3 ppm-200 ppm; and based on the total weight of the biodegradable polyester composition, a weight content of cyclopentanone is 0.5 ppm-85 ppm is provided. The tetrahydrofuran and cyclopentanone is added into the composition and controlling the content of tetrahydrofuran and the content of cyclopentanone in a certain range in the composition to realize printing performance. Moreover, when a velocity of film blowing is 176 Kg/h, a range of a film thickness is less than 0.2 m and a relative deviation of the film thickness is less than 1%.

A resin composition may contains at least one thermoplastic resin (A1) selected from a styrene-based thermoplastic elastomer, an olefin-based thermoplastic elastomer, and an ethylene-based polymer and a vinyl-based crosslinking agent (B1) having a mass-average molecular weight (Mw) of 100 or more and 4,000 or less, in which a content of the vinyl-based crosslinking agent (B1) is 1 part by mass or more and less than 30 parts by mass with respect to 100 parts by mass of the thermoplastic resin (A). A resin sheet may be formed of the resin composition. In addition, a multilayer body may include the resin sheet and a release film provided on one or both surfaces of the resin sheet.

The present invention relates to a polymeric composition comprising a (meth) acrylic polymer and a copolymer comprising at least 41% wt of a vinyl aromatic monomer. In particular the present invention relates to a polymeric (meth) acrylic composition comprising a (meth) acrylic polymer. The present invention concerns also the use of such a polymeric (meth) acrylic composition comprising a meth acrylic polymer and a copolymer comprising at least 41% wt of a vinyl aromatic monomer, (meth) acrylic acid ester monomer and dicarboxylic acid anhydride monomer for increasing the chemical resistance. The present invention concerns also an object comprising or made of such a meth) acrylic composition comprising a (meth) acrylic polymer and a copolymer comprising at least 41% wt of a vinyl aromatic monomer, (meth) acrylic acid ester monomer and dicarboxylic acid anhydride monomer with increasing the chemical resistance.

This invention relates to a multilayer biodegradable film which is particularly suitable for the manufacture of packaging and is also characterised by appreciable optical transparency properties in addition to high level mechanical properties.

The present invention provides a layered product comprising a release layer that can be formed from an aqueous coating liquid, that is quickly released from the substrate when alkaline treatment is performed, and that has excellent water resistance. The layered product of the present invention is a layered product comprising a release layer on a substrate, the release layer comprising a granular carboxylic anhydride-modified olefin resin and a binding part containing an acid group-free thermoplastic resin, the carboxylic anhydride-modified olefin resin having an average particle size of 0.5 to 20 ?m, the binding part having a thickness of 0.25 to 20 ?m, and the release layer having an actual acid value of 100 mg KOH/m.sup.2 or more.