C08J2423/04

Method of manufacturing a film having low oxygen transmission rate values

A method of manufacturing a film having an oxygen transmission rate (OTR) value in the range of 0.1 to 200 cc/m.sup.2*24 h at 23° C., 50% relative humidity (RH), and an OTR value in the range of 0.1 to 2000 cc/m.sup.2*24 h at 38° C. at 85% RH, comprising at least 60% by weight nanocellulose based on the weight of the total amount of fibers in the film, wherein the method comprises the steps of, providing an aqueous suspension comprising said nanocellulose; forming a web from said aqueous suspension; calendering said web at a line load of at least 40 kN/m, and at a temperature of at least 60° C. wherein said film is formed and said web has an OTR value in the range of 50 to 10 000 cc/m.sup.2*24 h at 23° C., 50% RH before said calendering step, or more preferably in the range of 500 to 5000 cc/m.sup.2*24 h at 23° C., 50% RH before said calendering step.

Ethylene interpolymer products and films

This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless Long Chain Branching Factor, LCBF, greater than or equal to 0.001; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium, and; a dimensionless unsaturation ratio, UR, of from ≥−0.40 to ≤0.06, wherein UR is defined by the following relationship; UR=(SC.sup.U−T.sup.U)/T.sup.U, where SC.sup.U is the amount of a side chain unsaturation per 100 carbons and T.sup.U is amount of a terminal unsaturation per 100 carbons, in said ethylene interpolymer product. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity (M.sub.w/M.sub.n) from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI.sub.50) from about 1% to about 98%.

Plastic Films

The invention relates to plastic films and a silicone containing polymer blend composition that can be used in the production of the plastic films which is a polymer composition obtainable from, per 100 parts by weight of the composition, 99.99 to 90 parts by weight of a polyolefin polymer (P) and 0.01 to 10 parts by weight of a masterbatch (M).

BIODEGRADABLE RESIN COMPOSITION AND METHOD FOR PRODUCING SAME

A biodegradable resin composition and a method for producing the biodegradable resin composition are disclosed. The biodegradable resin includes three components, polyethylene, a biodegradable resin, and at least one selected from polybutylene adipate terephthalate and maleic anhydride copolymer, thereby providing excellent compatibility and mechanical properties.

Method for Producing Recycled Polyethylene Having Low b* Value

A method for purifying a contaminated reclaimed polyethylene. The method includes providing the contaminated reclaimed polyethylene, extracting it with a solvent to produce an extracted contaminated reclaimed polyethylene, and then dissolving it in the solvent to produce a first suspension comprising dissolved polyethylene and suspended contaminants. The first suspension is settled to produce a second suspension comprising dissolved polyethylene and suspended remaining contaminants, and the second suspension is purified by contacting it with solid media to produce a third suspension comprising purer polyethylene. Finally, the purer polyethylene is separated from the third suspension and it has low b* value.

Masterbatch, resin molding material, molded body, methods for manufacturing the masterbatch, the resin molding material, and the molded body, and method for evaluating masterbatch
11548988 · 2023-01-10 · ·

The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions: (Conditions) when a resin plate is produced by kneading 100 parts by weight of polypropylene having a melt flow rate of 30 g/10 min (JIS K7210:1999) and a density of 0.9 g/cm.sup.3 (JIS K7112:1999) with respect to 3 parts by weight of the masterbatch and subjecting the mixture to injection molding using a mold polished by a coated abrasive with a particle size of #800 (JIS R6001:1998), a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy specific conditions.

Process for the production of an additive for bituminous conglomerates with high mechanical performances

The present invention refers to a process for the production of an additive composition intended to be mixed into a bituminous conglomerate for road paving. The process includes grinding a mixed waste material containing a mixture of plastic materials, which includes at least one plastic material based on a polyolefin thermoplastic material, washing the ground mixed waste material and separating a portion of low-density material which contains the plastic material based on a polyolefin thermoplastic polymer from the mixed waste material. This portion of low-density material is then ground to a particle size between 10 mm and 20 mm; and then mixed with a material based on polyvinyl butyral. The resultant mixture is further ground to produce an additive composition having a particle size between 4 mm and 6 mm.

PLASTIC COMPOSITE RESIN COMPOSITION, A METHOD OF MANUFACTURING A PLASTIC MOLDED ARTICLE, AND A PLASTIC MOLDED ARTICLE FOR RADAR ABSORPTION MANUFACTURED USING THE METHOD
20220363897 · 2022-11-17 · ·

The present disclosure relates to a plastic composite resin composition, a method of manufacturing a plastic molded article using the same, and a plastic molded article for radar absorption manufactured using the method. More particularly, the present disclosure provides a method of improving a radar absorption rate by manufacturing a plastic molded article having pores formed therein using a plastic resin including polyamide, a filler including carbon nanotubes, and a foaming agent.

Additive Systems Containing an Antioxidant and a Glycerol Stearate for Improved Color in Polyethylene Resins
20230052912 · 2023-02-16 ·

Polymer compositions containing an ethylene polymer, 50-1500 ppm by weight of a glycerol stearate, and 250-7500 ppm by weight of an antioxidant selected from a phenolic antioxidant, a phosphite antioxidant, a thioester antioxidant, or any combination thereof, are described. These polymer compositions have improved initial color, improved color after long-term aging, or improved color after multi-pass extrusion processing.

Thin Single-Site Catalyzed Polymer Sheets
20220340723 · 2022-10-27 ·

Thin polymer sheets and used thereof are described. A polymer sheet can include greater than 90 wt. % of a single-site catalyzed polyolefin (PO) and have a thickness of at least 0.0254 cm. The sheet can be used to produce molded articles.