The present invention relates to a thermoplastic resin composition and a molded product using same, the thermoplastic resin composition comprising, based on 100 parts by weight of a base resin including (A) 50 to 80 wt % of a polyamide resin and (B) 20 to 50 wt % of a fiber reinforcement, and (C) 2 to 20 parts by weight of a block copolymer including a polyether segment and a polyamide segment.

The present application relates to polymer compositions that provide barrier properties to oxygen, water vapor and/or hydrocarbons, to polymer film or sheet comprising the polymer composition and to their use in the manufacture or preparation of plastic material and/or plastic packaging. The present application also relates to a method of reducing oxygen water vapor and/or hydrocarbons permeability in plastic material and/or plastic packaging.

A braided thermoplastic ribbon is disclosed having fully impregnated filaments. The ribbon is formed by a thermoplastic prepreg having a plurality of continuous fibers that are substantially oriented in a longitudinal direction, the continuous fibers constituting from about 30 wt. % to about 40 wt. % of the prepreg, a first resinous matrix that contains a first set of one or more thermoplastic polymers and within which the continuous fibers are embedded, wherein the thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg, and a second resinous matrix that contains a second set of one or more thermoplastic polymers, wherein the second set of thermoplastic polymers constitute from about 30 wt. % to about 40 wt. % of the prepreg.

A method for producing a modifier for preparing a composite material based on a thermoplastic polymer where the thermoplastic polymer is mixed with a solvent and salts of alkali metals with the following ratio of components (wt. %): thermoplastic polymer—3-15, solvent—70-94, salts of alkali metals—3-15, until the polymer is fully dissolved, and then carbon nanotubes are added to the mixture in an amount up to 5 wt. % while stirring to produce a dispersion, then a coagulant is added to the dispersion under continuous stirring, the resulting dispersion is then filtered, and the filter cake is rinsed and dried up. The solvent is selected from the group of: alcohol, or N-methylpyrrolidone, or dimethylacetamide. The alkali metal salt is lithium chloride or calcium chloride. The carbon nanotubes are single-wall carbon nanotubes.

To provide a metal-fiber reinforced plastic composite material which exhibits favorable impregnation of a matrix resin into a reinforcing fiber substrate and favorable adhesion to metal members, and excellent mechanical properties. The metal-fiber reinforced plastic composite material is a laminate of a metal member and a fiber reinforced plastic, wherein the fiber reinforced plastic includes a reinforcing fiber substrate (A) and a thermoplastic resin composition (B), the thermoplastic resin composition (B) contains a phenoxy resin (B-1) and a polyamide resin (B-2) at a mass ratio (B-1)/(B-2) of 80/20 to 20/80, an adhesive strength of the thermoplastic resin composition (B) to a monofilament of the reinforcing fiber substrate (A) is 40 MPa or more as an interfacial shear strength at 23° C. in a microdroplet method, and an adhesive strength between the metal member and the thermoplastic resin composition (B) is 7.0 MPa or more as a tensile shear strength at 23° C.

The objective of the present invention is to provide a prepreg and a fiber reinforced composite material using this prepreg. This prepreg has good handleability, is suitable for producing a reinforced composite material in a short-time and without using an autoclave, and is capable of yielding a fiber reinforced composite material exhibiting excellent impact resistance, wherein the occurrence of voids has been suppressed. To attain the objective, this prepreg comprises a reinforced fiber [A] that is layered and partially impregnated with an epoxy resin composition containing an epoxy resin [B] and a hardener [C], the impregnation rate φ being 30 to 95%. In this prepreg, a thermoplastic resin [D] insoluble in the epoxy resin [B] is distributed unevenly over a surface on one side of the prepreg, and a portion not impregnated with the epoxy resin composition is localized in the layer of the reinforced fiber [A] on the side where the thermoplastic resin [D] is distributed unevenly. This prepreg has a localization parameter σ, which defines the degree of the localization to be in the range of 0.10<σ<0.45.

The present invention relates to an extrudable polymer composition comprising: 99.5 to 99.95% of at least one hard-soft block copolymer comprising: at least 25% by weight of soft block polyethylene glycol (PEG) with functionality equal to 2, with respect to the total weight in copolymer; from 0.05 to 0.5% by weight of at least one polyol comprising at least three hydroxyl groups, with respect to the total weight of the composition; characterised in that: the weight-average molecular mass of said copolymer is at least equal to 100,000 g/mol; and the weight-average molecular mass of the polyol is at least equal to 1000 g/mol; and said at least one polyol binding hard copolymer blocks by ester bonds. This invention relates in particular to the use of said composition in extrusion processes for manufacturing vapour-permeable objects.

The present invention relates to an inflation film and a method for manufacturing the inflation film, wherein the inflation film includes a base film, including: a polyamide-based resin; a copolymer containing polyamide-based segments and poly-ether-based segments; and an olefin-based polymer compound, and has a small variation in physical properties between a machine direction (MD) and a transverse direction (TD) of the film.

Disclosed is a modifier that is blended with a polyolefin to obtain a molded body and methods for using the same and for producing the modifier. The modifier includes a continuous phase (A) containing a second polyolefin resin and a dispersed phase (B) containing a polyamide resin and a modified elastomer and composed of a melt-kneaded product of the polyamide resin and the modified elastomer, the modified elastomer is an elastomer having a reactive group that reacts with the polyamide resin, the elastomer is an olefin-based thermoplastic elastomer having, as a skeleton, a copolymer of ethylene or propylene and an α-olefin having 3-8 carbon atoms or a styrene-based thermoplastic elastomer having a styrene skeleton, and when a total of the continuous phase (A) and the dispersed phase (B) is taken as 100% by mass, a content of the dispersed phase (B) is 80% by mass or less.

The invention relates to a curable fluoroelastomer composition having low swelling tendency, comprising: A) a curable fluoroelastomer; B) a curing system; and C) 0.1 wt.-% to 30 wt.-% of a nitrogen-containing polymer, selected from polyamide, polyimide, mixtures and/or copolymers thereof, each relative to the total weight of fluoroelastomer and nitrogen-containing polymer, the nitrogen-containing polymer being present in particulate form of an average particle size in the range of 0.15 to 70 μm and/or in fiber form having an average fiber diameter in the range of 0.15 to 70 μm.