C08L23/00

Multiphase ferrites and composites comprising the same
11679991 · 2023-06-20 · ·

In an aspect, a multiphase ferrite comprises a Co.sub.2W phase that is optionally doped with Ru; a CFO phase having the formula Me.sub.r“Co.sub.1−rFe.sub.2+zO.sub.4, wherein Me” is at least one of Ni, Zn, or Mg, r is 0 to 0.5, and z is −0.5 to 6 0.5; and a CoRu-BaM phase having the formula BaCo.sub.x+yRu.sub.yFe.sub.12−(2/3)x−2yO.sub.19, wherein x is 0 to 2, y is 0.01 to 2; and the Ba can be partially replaced by at least one of Sr or Ca. In another aspect, a composite can comprise a polymer and the multiphase ferrite. In yet another aspect, a method of making a multiphase ferrite can comprise mixing and grinding a CoRu-BaM phase ferrite and a CFO phase ferrite to form a mixture; and sintering the mixture in an oxygen atmosphere to form the multiphase ferrite.

ANTISTATIC RESIN COMPOSITION, AND CONTAINER AND PACKAGING MATERIAL WHICH USE SAME
20170349703 · 2017-12-07 · ·

Provided are: an antistatic resin composition which not only has long-lasting and sufficient antistaticity and shows hardly any ion elution when made into a molded article but also is suitable for containers and packaging materials for storage and transport of electrical/electronic components; and a container and a packaging material which comprise the same.

The antistatic resin composition includes, with respect to 100 parts by mass of a synthetic resin, 3 to 20 parts by mass of at least one polymer compound (E) and 0.1 to 5 parts by mass of at least one alkali metal salt (F). The polymer compound (E) has a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which comprises at least one group represented by the following Formula (1) and has hydroxyl groups at both ends, and a compound (D) having a reactive functional group are bound via ester bonds, or ester bonds and amide bonds:


—CH.sub.2—CH.sub.2—O—  (1)

ANTISTATIC RESIN COMPOSITION, AND CONTAINER AND PACKAGING MATERIAL WHICH USE SAME
20170349703 · 2017-12-07 · ·

Provided are: an antistatic resin composition which not only has long-lasting and sufficient antistaticity and shows hardly any ion elution when made into a molded article but also is suitable for containers and packaging materials for storage and transport of electrical/electronic components; and a container and a packaging material which comprise the same.

The antistatic resin composition includes, with respect to 100 parts by mass of a synthetic resin, 3 to 20 parts by mass of at least one polymer compound (E) and 0.1 to 5 parts by mass of at least one alkali metal salt (F). The polymer compound (E) has a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which comprises at least one group represented by the following Formula (1) and has hydroxyl groups at both ends, and a compound (D) having a reactive functional group are bound via ester bonds, or ester bonds and amide bonds:


—CH.sub.2—CH.sub.2—O—  (1)

ENCAPSULANT SHEET FOR SELF-LUMINOUS DISPLAY OR ENCAPSULANT SHEET FOR DIRECT BACKLIGHT, SELF-LUMINOUS DISPLAY, AND DIRECT BACKLIGHT
20230185131 · 2023-06-15 · ·

An encapsulant sheet suitable for encapsulating a light-emitting element in, for example, a self-luminous display or for direct backlights. The encapsulant sheet is a single-layer or multi-layer resin sheet that includes an adhesive layer exposed at a topmost surface. The Vicat softening point is greater than 60° C. and no higher than 100° C. The melt viscosity of the encapsulant sheet, at a shear velocity of 2.43×10 sec.sup.−1 and measured at a temperature of 120° C. is at least 5.0×10.sup.4 poise and no more than 1.0×10.sup.5 poise. The adhesive layer contains a polyolefin and a silane component, and a content of the silane component relative to the resin component of the adhesive layer is at least 0.03% by mass and less than 10% by mass.

INTERMEDIATE FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
20220371305 · 2022-11-24 ·

Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property at 6300 Hz while effectively preventing deterioration in sound insulating property at 3150 Hz in laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and includes a resin layer containing a resin and a plasticizer. The interlayer film has a resonance frequency X of 550 Hz or more and 740 Hz or less, a loss factor Y in a secondary mode of 0.35 or more, and satisfies a formula: Y>0.0008X−0.142 in a measurement of resonance frequency in a secondary mode in a damping test for laminated glass according to a central exciting method of laminated glass, when the laminated glass is obtained by arranging the interlayer film between two glass plates of 25 mm wide, 300 mm long and 2 mm thick.

Polyolefin-based resin composition and molded body

Provided is a polyolefin-based resin composition including a hydrogenated block copolymer (A) and a polyolefin-based resin (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 55/45; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a mass ratio of the polyolefin-based resin (B) and the hydrogenated block copolymer (A) [{polyolefin-based resin (B)}/{hydrogenated block copolymer (A)}] being 1/99 to 99/1. The polyolefin-based resin composition is favorable in flexibility and molding processability, excellent in weather resistance and whitening resistance, and also excellent in rigidity.

Polyolefin-based resin composition and molded body

Provided is a polyolefin-based resin composition including a hydrogenated block copolymer (A) and a polyolefin-based resin (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 55/45; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a mass ratio of the polyolefin-based resin (B) and the hydrogenated block copolymer (A) [{polyolefin-based resin (B)}/{hydrogenated block copolymer (A)}] being 1/99 to 99/1. The polyolefin-based resin composition is favorable in flexibility and molding processability, excellent in weather resistance and whitening resistance, and also excellent in rigidity.

POLYOLEFIN RESIN COMPOSITION
20170342207 · 2017-11-30 · ·

Provided are: a polyolefin resin composition which has excellent antistatic properties with sufficient persistence and wiping resistance but without impairment of the intrinsic mechanical properties of a resin; and an automotive interior/exterior material containing the same. The polyolefin resin composition contains: 50 to 90 parts by mass of a polyolefin resin; 3 to 40 parts by mass of a thermoplastic elastomer; and 3 to 30 parts by mass of a filler, the polyolefin resin composition further containing an antistatic agent composed of a polymer compound (E) in an amount of 3 to 20 parts by mass with respect to a total amount of 100 parts by mass of the polyolefin resin, the thermoplastic elastomer and the filler, wherein the polymer compound (E) has a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which contains at least one group represented by the formula (I) and has hydroxyl groups at both ends, and an epoxy compound (D) having two or more epoxy groups are bound via ester bonds:


—CH.sub.2—CH.sub.2—O   (1)

POLYOLEFIN RESIN COMPOSITION
20170342207 · 2017-11-30 · ·

Provided are: a polyolefin resin composition which has excellent antistatic properties with sufficient persistence and wiping resistance but without impairment of the intrinsic mechanical properties of a resin; and an automotive interior/exterior material containing the same. The polyolefin resin composition contains: 50 to 90 parts by mass of a polyolefin resin; 3 to 40 parts by mass of a thermoplastic elastomer; and 3 to 30 parts by mass of a filler, the polyolefin resin composition further containing an antistatic agent composed of a polymer compound (E) in an amount of 3 to 20 parts by mass with respect to a total amount of 100 parts by mass of the polyolefin resin, the thermoplastic elastomer and the filler, wherein the polymer compound (E) has a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) which contains at least one group represented by the formula (I) and has hydroxyl groups at both ends, and an epoxy compound (D) having two or more epoxy groups are bound via ester bonds:


—CH.sub.2—CH.sub.2—O   (1)

FLAME RETARDANT COMPOSITION AND FLAME-RETARDANT SYNTHETIC RESIN COMPOSITION

Disclosed is a flame retardant composition having excellent flame retardancy and processability, providing a flame-retardant synthetic resin composition including this flame retardant composition and having excellent flame retardancy and processability. Specifically, the following components are used in combination: as component (A), 20 to 50 parts by mass of at least one type of melamine salt selected from the group consisting of melamine orthophosphate, melamine pyrophosphate, and melamine polyphosphate; as component (B), 50 to 80 parts by mass of at least one type of piperazine salt selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate, and piperazine polyphosphate (the total of component (A) and component (B) is 100 parts by mass); and as component (C), 0.01 to 20.0 parts by mass of a bicyclophosphoric ester compound represented by the following general formula (1). The details of formula (1) are as described in the Description.