C08J3/21

PIEZOELECTRIC POLYMER BLEND AND COMPOSITE COMPOSITIONS INCLUDING LITHIUM-DOPED POTASSIUM SODIUM NIOBATE

A polymer composite exhibiting piezoelectric properties can be formed for flexible and/or thin film applications, in which the polymer composite includes a polymer matrix and a piezoelectric ceramic filler embedded in the polymer matrix. The polymer matrix may include at least two polymers: a first polymer and a second polymer. The first polymer may be a fluorinated polymer, and the second polymer may be compatible with the first polymer and have a dielectric constant of less than approximately 20. The piezoelectric ceramic filler can be lithium doped potassium sodium niobite (KNLN), and be approximately 40-70% by volume of the polymer composite. The remaining 30-60% by volume may be the polymer matrix, which may itself be approximately 5-20% by weight second polymer and 80-95% fluorinated polymer.

High-carbon recovered paper and plastic materials with reduced endotoxin levels

Provided herein are composite materials comprising at least 70 wt. % thermally consolidated recovered paper and plastic fragments and less than 5,000 ng water-soluble endotoxin per gram of composite materials, as well as methods of preparing said composite materials and methods of sanitizing recovered waste materials.

THERMOSENSITIVE FINE PARTICLES

Thermosensitive fine particles of the present invention include a side chain crystal polymer which is crystallized at a temperature lower than a melting point and which exhibits fluidity at a temperature equal to or more than the melting point. The side chain crystal polymer may include, as a monomer component, a (meth)acrylate having a straight-chain alkyl group having 14 or more carbon atoms. A mean particle diameter of the fine particles may be 0.1 to 50 μm. The thermosensitive fine particles may include no organic solvents.

ELECTROMAGNETIC WAVE SHIELD SHEET MANUFACTURING METHOD AND ELECTROMAGNETIC WAVE SHIELD SHEET

A method of producing an electromagnetic wave shielding sheet by which an electromagnetic wave shielding sheet having a high shielding property against an electromagnetic wave and having low cost is produced. The method of producing an electromagnetic wave shielding sheet includes; preparing a dispersion containing carbon nanotubes, an inorganic pigment, carboxymethyl cellulose, and water; and drying the dispersion. In the dispersion, a ratio of a mass of the inorganic pigment to a mass of the carbon nanotubes is 1/4 or more and 1 or less

Thermoplastic resin composition, molded object, and production methods therefor

A thermoplastic resin composition, a molded body, and first and second production methods are disclosed. The thermoplastic resin composition contains a polyolefin resin, a polyamide resin, and a modified elastomer and shows non-Newtonian properties in a fluidized state. The molded body includes the thermoplastic resin composition. The first production method includes molding the thermoplastic resin composition at a shear rate of 80 sec.sup.−1 or more and a standby step in which resin composition is on standby at a shear rate of 0 sec.sup.−1 or more but less than 80 sec.sup.−1. The second production method includes molding the resin composition at a shear rate X.sub.1 to obtain part of a molded body and molding the resin composition at a shear rate X.sub.2 to obtain another part of the molded body, wherein an absolute value of a difference between X.sub.1 and X.sub.2 is 200 sec.sup.−1 or more.

Lightweight reinforced composite formulation and method of making the same

A composite formulation for use in lightweight molded components includes an untreated low density filler, such as glass bubbles, a solvated polymer mixture, and polymer paste. In one embodiment the solvated polymer mixture is used to treat the low density filler to form a treated low density filler. The solvated polymer mixture many include a thermoplastic resin or a reactive resin and an additive package. The additive package may include a dispersing agent and a silane carrier composition.

Method for fabricating a hybrid carbon nanofiber product

Hybrid carbon nanofiber (Cnf) products (e.g., mats, yarns, webs, etc.) and methods of fabricating the same are provided. The hybrid Cnf products are flexible and lightweight and have high thermal conductivity. An electrospinning process can be used to fabricate the hybrid Cnf products and can include preparation of an electrospinning solution, electrospinning, and carbonization (e.g., under a vacuum condition).

Composite Materials for Radiation Shielding, Articles, and Methods
20230207146 · 2023-06-29 ·

Composite materials that may include particles of an inorganic material and an elastic polymer. The composite materials may be in the form of a flexible film. The composite materials may provide radiation shielding. Articles on or in which a composite material is disposed. Methods of forming composite materials.

CONDUCTIVE AND STRETCHABLE POLYMER COMPOSITE
20170362423 · 2017-12-21 ·

Disclosed herein is a composite prepared by dispersing silver flakes in a polyvinyl alcohol (PVA), phosphoric acid (H.sub.3PO.sub.4), and poly(3,4-ethyl-ene-dioxythiophene) (PEDOT):poly(styrene sulfonic acid) (PSS) polymer mixture. The polymer blend can provides conductive pathways between the silver flakes, leading to superior electrical properties even at large deformations.

RUBBER ADDITIVE COMPOSITION, RUBBER COMPOSITION, AND METHODS FOR PRODUCING THEM

A rubber additive composition may be capable of producing a rubber composition having well-balanced strength. Such rubber additive compositions may include: (A) anion-modified cellulose and (B) a hydrophobizing agent, wherein the hydrophobizing agent (B) includes at least one selected from the group consisting of (B1) a polyether amine having a primary amino group at an end of a polyether skeleton and (B2) an amine compound having a hydrocarbon group with a carbon number of 3 to 50 or a quaternary ammonium salt having a hydrocarbon group with a carbon number of 3 to 50.