C08J2423/06

Cross-linkable ethylene polymer composition comprising epoxy-groups and a cross-linking agent

The present invention relates to an ethylene polymer composition comprising: (A) an ethylene polymer comprising epoxy-groups, and (B) a cross-linking agent comprising: (B1) an organo-metallic Lewis acid, and at least one of: (B2) a compound comprising at least one amino group; and (B3) a compound comprising at least one hydroxyl group.

Roofing membranes, compositions, and methods of making the same

A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm.sup.3; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm.sup.3. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.).

POLYETHYLENE RESIN FOAM PARTICLES HAVING ANTISTATIC PERFORMANCE, AND POLYETHYLENE RESIN IN-MOLD FOAMING MOLDED PRODUCT AND METHOD FOR MANUFACTURING SAME
20170362402 · 2017-12-21 · ·

Expanded polyethylene resin particles include an antistatic agent and a base resin. The expanded polyethylene resin particles are obtained by expanding polyethylene resin particles including the antistatic agent and the base resin, the polyethylene resin particles having a storage modulus of elasticity of 900 to 5000 Pa at an angular frequency of 1 rad/sec in dynamic viscoelastic behavior measurement at 190° C. and a storage modulus of elasticity of 100000 Pa or less at an angular frequency of 100 rad/sec in dynamic viscoelastic behavior measurement at 190° C. The expanded polyethylene resin particles have a low temperature side melting peak and a high temperature side melting peak on a differential scanning calorimetry (DSC) curve obtained when a temperature of the expanded polyethylene resin particles is increased from 20° C. to 220° C. at a heating rate of 10° C./min.

FIBER STRUCTURE HAVING HALOGEN-FREE FOAMING POLYMER LAYER

Disclosed is a fiber structure including a halogen-free polymer layer such as a styrenic block (SBC) copolymer. The fiber structure has environmentally-friendly properties and reduced weight, as compared to conventional materials such as PVC and has improved low temperature stability, fixing ability and resistance to deformation.

CONTINUOUS EXTRUDER PROCESS FOR MANUFACTURING RHEOLOGY-MODIFIED POLYOLEFIN FOR CABLE INSULATION LAYER
20230191660 · 2023-06-22 ·

Rheology-modified, additive-containing ethylenic polymer compositions are prepared in a continuously operated extruder comprising first, second and third zones by a process comprising the steps of: mixing in the second zone of the extruder an ethylenic polymer and a high-temperature decomposing peroxide at a temperature such that the half-life of the peroxide is equal to or greater than (≥) one minute and for a sufficient period of time to modify the rheology of the ethylenic polymer to produce a rheology-modified, melted ethylenic polymer for transfer to the third zone of the extruder; and adding to the third zone one or more additives to the rheology-modified, melted ethylenic polymer to produce the rheology-modified, additive-containing ethylenic polymer.

POLYETHYLENE COMPOSITION FOR A FILM LAYER
20230193002 · 2023-06-22 ·

The present invention relates to a multimodal polymer of ethylene, to the use of the multimodal polymer of ethylene in film applications and to a film comprising the multimodal polymer of ethylene of the invention.

THERMOPLASTIC COMPOSITE MATERIAL COMPOSITION HAVING EXCELLENT ELECTROMAGNETIC RADIATION SHIELDING PERFORMANCE
20230192954 · 2023-06-22 ·

A thermoplastic composite material composition has improved electromagnetic radiation shielding performance. The thermoplastic composite material composition is a resin composition including a thermoplastic resin composition, high-density polyethylene, metal/ceramic powder, etc. The disclosed composition provides improved electromagnetic shielding performance, improved impact resistance, and good appearance.

FOAM COMPOSITIONS FOR SELECTIVE RECOVERY OF OIL SPILLS AND OTHER APPLICATIONS
20170349798 · 2017-12-07 ·

A polymer composition for use in the removal and recovery of oil slicks or spills floating on the surfaces of bodies or water or present on land, such as beaches comprising a foam of a blend of polyethylene and an ethylene-alkyl acrylate copolymer and a process for using such foams in the selective removal of oil from fresh water or salt water and the recovery of the absorbed oils from the foams is disclosed. The polymer composition is also for use in other applications in which absorption of liquids is desired.

POLYETHYLENE COMPOSITION COMPRISING TWO TYPES OF LINEAR LOW DENSITY POLYETHYLENE

The invention is directed to a polyethylene composition comprising 20-90 wt % of a LLDPE A and 80-10 wt % of a LLDPE B, wherein i) LLDPE A is obtainable by a process for producing a copolymer of ethylene and another α-olefin in the presence of an Advanced Ziegler-Natta catalyst, ii) LLDPE B is obtainable by a process for producing a copolymer of ethylene and another α-olefin in the presence of a metallocene catalyst.

Recycled polyethylene-polypropylene blends comprising a compatibilizer

The present invention is directed to a polyethylene-polypropylene composition comprising a blend (A) being a recycled material, said blend comprising polypropylene and polyethylene, and a compatibilizer (B) being a copolymer of 1-butene and ethylene. Further, the present invention is directed to an article comprising said polyethylene-polypropylene composition and a process for preparing said polyethylene-polypropylene composition. The present invention is also directed to the use of a compatibilizer (B) being a copolymer of 1-butene and ethylene for improving the impact-stiffness balance and the morphology of the blend (A).