This invention relates to the preparation of a dynamically vulcanized alloy comprising at least one elastomer, at least one thermoplastic resin, a nanofiller, and an ethylene copolymer resin.

A pelletized resin composition according to the present invention contains an ethylene-vinyl alcohol resin (A), a polyamide (B), and a lower fatty acid magnesium salt (C) each in a specific amount, wherein the polyamide resin (B) is dispersed in the ethylene-vinyl alcohol resin (A) with an average dispersed particle diameter of 1 μm or less as determined using an electron microscope, and the lower fatty acid magnesium salt (C) is dispersed in both the ethylene-vinyl alcohol resin (A) and the polyamide resin (B). Accordingly, a pelletized resin composition that is superior in hue can be obtained. In addition, a film that is superior in thermal stability in the film formation, the appearance immediately after the film formation, and the appearance after the heating treatment is obtained.

An ethylene-vinyl alcohol copolymer resin composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an aliphatic carboxylic acid; (C) an aliphatic carboxylic acid metal salt which is a metal salt of the aliphatic carboxylic acid (B); and (D) an alkali metal compound; wherein the aliphatic carboxylic acid metal salt (C) contains a metal moiety that is at least one element selected from the group consisting of long Periodic Table 4th-period d-block elements; wherein the amounts of the aliphatic carboxylic acid (B), the aliphatic carboxylic acid metal salt (C), and the alkali metal compound (D) on a weight basis satisfy the following expressions (1) and (2):
0.01≤((D)/(C))≤30  (1)
0.0005≤{(D)/[(B)/((B)+(C))]}≤1  (2).
The ethylene-vinyl alcohol copolymer resin composition is excellent in impact resistance and adhesive strength even without a resin other than an ethylene-vinyl alcohol copolymer blended therein.

A laminate (1) provided with: a substrate (2); an undercoat layer (3), which is formed on at least a portion of the outer surface of the substrate (2), contains an organic polymer with a functional group, and is formed in a membrane form or film form; and an atomic layer deposition film (4), which contains a precursor (6) that serves as a starting material, is formed so as to cover the surface of the undercoat layer (3), and in which at least some of the precursor (6) are bonded to the functional groups. The linear expansion coefficient of a layered film provided with the substrate (2) and the undercoat layer (3) is from about 1.0×10.sup.−5/K to about 8.0×10.sup.−5/K.

A thermoplastic polymer composition comprises a polyethylene polymer composition and a salt of bicyclo[2.2.1]heptane-2,3-dicarboxylic acid. The polyethylene polymer composition can have a Melt Relaxation Product of 50,000 or less. A method for producing an injection molded article comprises the steps of (a) providing a thermoplastic polymer composition as described above, (b) melting the thermoplastic polymer composition, (c) injecting the molten thermoplastic polymer composition into a mold cavity, (d) cooling the molten thermoplastic polymer composition, and (e) ejecting the injection molded article from the mold cavity. A method for producing a film comprises the steps of (a) providing a thermoplastic polymer composition as described above, (b) melting the thermoplastic polymer composition, (c) extruding the molten thermoplastic polymer composition through a slot-shaped die orifice to form a film, (d) cooling the film, and (e) collecting the film.

A gas-barrier composition including nanocellulose containing at least one of a sulfuric acid group, a sulfo group, or a phosphoric acid group; and a reactive crosslinking agent.

The present disclosure relates to a multifunctional film for a vacuum bag that may include a flexible barrier film that may include a textured surface. The multifunctional film may further include a release coating overlying the textured surface of the flexible barrier film. The multifunctional film may further have an oxygen (O.sub.2) permeability of not greater than about 1100 cc/(m2-day-atm) and a stability rating of not greater than about 90%, where the stability rating is defined as the maximum percent decrease in elongation at break as measured using ASTM D882 after being exposed to a temperature of 200° C. for 12 hours.

The polyester copolymer according to the present disclosure is excellent in processability, particularly in shear thinning characteristics, and thus can be applied to the production of various transparent containers by an EBM process.

Provided is an ethylene-vinyl alcohol copolymer with an ethylene unit content of 15 to 60 mol % and a saponification degree of 85 mol % or more.

Object: To provide a resin composition having excellent oxygen barrier properties and transparency, and high tensile elongation at break; a molded article, a film, and a multilayer film. Resolution means: A resin composition including from 20 to 80 parts by mass of a polyamide resin (A) and from 80 to 20 parts by mass of a polyamide resin (B); wherein more than 35 mol % of all the constituent units of the polyamide resin (A) are constituent units including an alkylene chain having from 2 to 6 carbons; the polyamide resin (B) includes constituent units derived from a diamine and constituent units derived from a dicarboxylic acid, wherein 70 mol % or more of the constituent units derived from a diamine are derived from a xylylenediamine; from 30 to 70 mol % of the constituent units derived from a dicarboxylic acid are derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 8 carbons; from 70 to 30 mol % of the constituent units derived from a dicarboxylic acid are derived from isophthalic acid, with the proviso that the total does not exceed 100 mol %; and the polyamide resin (B) further includes phosphorus atoms in a ratio of 3 to 300 mass ppm, and calcium atoms so as to be the ratio that phosphorus atoms:calcium atoms of 1:0.3 to 0.7.