C08L2205/06

Thermally conductive materials and tubing, and applications thereof
11639456 · 2023-05-02 · ·

The present invention relates to thermally conductive materials, including, for instance, thermally conductive tubing and thermally conductive apparel, and applications thereof. In particular, the invention relates to thermally conductive tubing that can used in thermoregulatory apparel, such as, for example, cooling garments and cooling vests. In at least one embodiment, the present invention includes a thermally conductive material made from one or more base polymers and one or more additives that increase the thermal conductivity of the thermally conductive material relative to the one or more base polymers. The base polymer may include, for example, ethylene vinyl acetate (EVA), and the additive may include, for example, graphite fibers. The thermally conductive material may also include, for instance, a secondary polymer, such as ethylene propylene diene monomer (EPDM) and/or a plasticizer, such as bis(2-ethylhexyl) adipate (DEHA). Thermally conductive material produced according to one or more embodiments of the present invention may also be extruded or formed to create thermally conductive tubing and/or sheets.

Functionalized Elastomeric Polymer Compositions, Their Preparation Methods and Crosslinked Rubber Compositions Thereof

The invention relates to an elastomeric polymer composition and its preparation. The polymer composition includes, in combination, a single terminally modified conjugated diene (co)polymer and a dual terminally modified conjugated diene (co)polymer. The polymer composition is useful in the preparation of a vulcanized and, thus, crosslinked elastomeric composition having relatively low hysteresis loss, good grip and low heat build-up properties.

FORMABLE POLYESTER FILMS
20170368807 · 2017-12-28 ·

A formable biaxially-oriented film includes a first layer. The first layer includes from about 10 to about 90 wt. % crystalline polyester and from about 10 to about 90 wt. % of a formability enhancer to assist in increasing the polymeric chain flexibility. The formability enhancer has a melting point less than about 230° C. The film has a MD and a TD Young's Modulus of at least 10% lower than a crystalline polyester film in the absence of the formability enhancer. The film may further include a second layer, which includes an amorphous copolyester. The second layer may be adjacent to or attached to the first layer.

Electrically conductive polyester compositions
11688526 · 2023-06-27 · ·

Disclosed herein are electrically conductive thermoplastic polyester compositions comprising: a) at least one thermoplastic polyester; b) conductive carbon black; c) at least one ethylene copolymer based impact modifier; and d) at least one hyperbranched polyester having an acid number of about 80-340 mg KOH/g.

Process for Producing Polymer Compositions

Processes are provided which include copolymerization using one or both of a metallocene catalyst capable of producing high molecular weight polymers and a metallocene catalyst capable of producing polymers having 60% or more vinyl terminations. Polymerization processes include dual catalyst polymerization in a single polymerization zone comprising both metallocene catalysts. Other processes include serial or parallel polymerizations in multiple polymerization zones, using either or both catalysts in each polymerization zone. Such polymerization processes produce reactor blends, and are particularly suited for producing copolymer compositions (such as EP or EPDM copolymer compositions) exhibiting improved melt elasticity and rheological properties.

Mono vinyl aromatic conjugated diene block copolymer and polymer composition comprising said block copolymer and a mono vinylarene acrylate copolymer

The present invention relates to novel block copolymers comprising at least one mono vinyl aromatic monomer (also referred to as mono vinylarene) and at least one conjugated diene monomer, in particular to styrene butadiene block copolymers (SBC), with a defined block structure. The invention further relates to polymer blends which comprise at least one block copolymer and at least one mono vinylarene acrylate copolymer, in particular a styrene-methyl methacrylate copolymer. Related methods for preparation and articles prepared from the polymer blends are also provided.

MULTILAYER STRUCTURE BASED ON RECYCLED POLYAMIDE

A multilayer tubular structure for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a multilayer tube that has been intended for transporting fluids for a motor vehicle, the tube having a composition which predominantly includes at least one polyamide, at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide and optionally at least one impact modifier, and when the layer has a composition predominantly including at least one semi-crystalline aliphatic polyamide that is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the layer and the layer each having at least 90% of non-recycled material.

Toughened epoxy thermosets containing core shell rubbers and polyols
09845387 · 2017-12-19 · ·

A curable resin composition comprising: a) an epoxy resin; b) an anhydride hardener; c) a polyol; d) a core shell rubber, and (e) a catalyst, is disclosed. When cure the resin composition can be used to formulate composites, coatings, laminates, and adhesives.

ALDEHYDE SCAVENGER AND RESIN COMPOSITION
20230193015 · 2023-06-22 · ·

The present invention aims to provide an aldehyde scavenger which has excellent aldehyde scavenging properties and yields a resin composition with excellent moldability (mold fouling resistance) when added to a resin. The present invention relates to an aldehyde scavenger containing at least one of: (1) a copolymer (A) containing a (meth)acrylamide (a) and an acid group-containing unsaturated monomer (b) as constituent monomers; and (2) a mixture containing a (co)polymer (B) and a (co)polymer (C), the (co)polymer (B) containing the (meth)acrylamide (a) as a constituent monomer but not containing the acid group-containing unsaturated monomer (b) as a constituent monomer, and the (co)polymer (C) containing the acid group-containing unsaturated monomer (b) as a constituent monomer but not containing the (meth)acrylamide (a) as a constituent monomer.

ENCAPSULATION FILM

The present application relates to an encapsulation film, an organic electronic device comprising the same, and a method for manufacturing an organic electronic device using the same, which provides an encapsulation film having excellent reliability that allows forming a structure capable of blocking moisture or oxygen flowing into an organic electronic device from the outside, absorbs and disperses the stress according to panel bending, while preventing generation of bright spots in the organic electronic device.