C08J2423/06

Resin composition for manufacturing medical storage container, sheet and medical storage container
11613635 · 2023-03-28 · ·

The purpose of the present invention is to provide a resin composition for manufacturing a medical storage container that has improved oxygen permeability and that tends not to have excessively lower transparency. To this end, the present invention pertains to a resin composition for manufacturing a medical storage container, the composition including polyethylene (a) and polymethylpentene (b). The resin composition contains, as polyethylene (a), a first polyethylene (a-1), which is a main component of the polyethylene (a), and a second polyethylene (a-2) having a lower density than the first polyethylene.

Polymer blends for use in multilayer structure and multilayer structures comprising the same

The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises (a) a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content of 2 to 21 weight percent based on the weight of the copolymer, wherein the amount of copolymer (a) comprises 20-80 weight percent of the blend based on the total weight of the blend, and (b) a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 30 weight percent based on the weight of the copolymer, wherein the amount of copolymer (b) comprises 10 to 50 weight percent of the blend based on the total weight of the blend, wherein the amount of copolymer (a) and copolymer (b) is at least 70 weight percent of the blend based on the total weight of the blend.

DECOLORATION OF POLYOLEFINS IN THE MELT STATE

The present invention concerns a process for decolorizing a polyolefin composition, the process comprising the steps of a) providing a polyolefin composition comprising at least one polyolefin and at least one organic chromophore, b) mixing the polyolefin composition in a melt state at a temperature of 170 to 290° C. with an inorganic oxidizing agent, wherein the inorganic oxidizing agent is selected from the group of inorganic peroxides and hypochlorites, and c) obtaining a decolorized polyolefin composition.

ELECTROMAGNETIC DIELECTRIC MATERIAL AND METHOD FOR PRODUCING ELECTROMAGNETIC DIELECTRIC MATERIAL
20220342120 · 2022-10-27 ·

Provided is an electromagnetic dielectric material (1). The electromagnetic dielectric material (1) is a column structure. The electromagnetic dielectric material (1) includes an inner core (11), a first foam layer (12) and a second foam layer (13) sequentially arranged from inside to outside on the cross section of the column structure. The first foam layer (12) and the second foam layer (13) are each a layer formed from a foam material foamed. The electromagnetic dielectric material further includes metal wires (14). The metal wires (14) are disposed in the longitudinal direction of the column structure, are not in contact with each other and are evenly distributed on the periphery of the first foam layer (12). Further provided is a method for producing an electromagnetic dielectric material (1).

Molded foam
11608420 · 2023-03-21 · ·

A molded foam that can be easily taken out of split mold blocks is provided. According to an aspect of the present disclosure, a molded foam (1) is obtained by clamping, with split mold blocks, foamed resin obtained by melting and kneading a polyethylene-based resin, wherein the molded foam (1) has a MFR (190° C., g/10 min) of less than 0.8, or the polyethylene-based resin has a MFR (190° C., g/10 min) of not more than 1.0.

Polyamide composition containing a metallic pigment
11608423 · 2023-03-21 · ·

The polymer composition containing a polyamide resin, a metallic pigment, and a carrier is disclosed that exhibits a metallic appearance.

Product with absorbed gel
20230070375 · 2023-03-09 · ·

A product with absorbed gel leaving the exposed surface of such product free of stickiness and/or free of the release of oils in any appreciable amounts.

Odor-adsorbing molded article resin composition, odor-adsorbing molded article, and packaging material

An object of the present invention is to provide a resin composition for an odor-adsorbing molded article that is excellent in manufacturability, eliminates odor by exerting a high adsorbing effect on odorous organic matter originally contained in packaging materials and odor generated by the decomposition, etc. of resins constituting packages during disinfection/sterilization treatment such as UV irradiation, hot packing, boiling, γ ray irradiation, or EB irradiation, is less likely to desorb the odor once adsorbed and capable of efficiently adsorbing odor and therefore exerts a high adsorbing effect over a long period without reducing the ability to adsorb odor, and is excellent in resistance to change in taste and odor of contents, and an odor-adsorbing molded article prepared from the resin composition for an odor-adsorbing molded article. The present invention provides a resin composition for an odor-adsorbing molded article comprising at least thermoplastic resin A and an odor adsorbent material, wherein the odor adsorbent material comprises hydrophobic zeolite having a SiO.sub.2/Al.sub.2O.sub.3 molar ratio of 30/1 to 8000/1, and a melt flow rate of the thermoplastic resin A is 5 g/min or more and 100 g/min or less, and an odor-adsorbing molded article prepared from the resin composition for an odor-adsorbing molded article.

Dual component LLDPE copolymers with improved impact and tear resistance, and methods of their preparation

Disclosed are ethylene polymer compositions containing a homogeneously-branched first ethylene polymer component and 15-35 wt. % of a homogeneously-branched second ethylene polymer component of higher density than the first ethylene polymer component. The ethylene polymer composition can be characterized by a density from 0.912 to 0.925 g/cm.sup.3, a ratio of Mw/Mn from 2 to 5, a melt index less than 2 g/10 min, and a CY-a parameter at 190° C. from 0.35 to 0.7. These polymer compositions have the excellent dart impact strength and optical properties of a metallocene-catalyzed LLDPE, but with improved machine direction tear resistance, and can be used in blown film and other end-use applications. Further, methods for improving film Elmendorf tear strength also are described.

Methods of improving lofting agent retention using bicomponent fibers
11634550 · 2023-04-25 · ·

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.