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1. WO2020196096 - FOAMABLE POLYSTYRENE RESIN PARTICLES, POLYSTYRENE PRE-FOAMED PARTICLES, AND FOAMED MOLDED PRODUCT

Publication Number WO/2020/196096
Publication Date 01.10.2020
International Application No. PCT/JP2020/011723
International Filing Date 17.03.2020
IPC
C08K 5/098 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
09Carboxylic acids; Metal salts thereof; Anhydrides thereof
098Metal salts of carboxylic acids
C08K 5/10 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
10Esters; Ether-esters
C08L 25/04 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
25Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
02Homopolymers or copolymers of hydrocarbons
04Homopolymers or copolymers of styrene
C08J 9/224 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
9Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
22After-treatment of expandable particles; Forming foamed products
224Surface treatment
Applicants
  • 株式会社カネカ KANEKA CORPORATION [JP]/[JP]
Inventors
  • 南田 賢明 MINAMIDA, Yoshiaki
  • 木口 太郎 KIGUCHI, Taro
Agents
  • 特許業務法人HARAKENZO WORLD PATENT & TRADEMARK HARAKENZO WORLD PATENT & TRADEMARK
Priority Data
2019-05708625.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) FOAMABLE POLYSTYRENE RESIN PARTICLES, POLYSTYRENE PRE-FOAMED PARTICLES, AND FOAMED MOLDED PRODUCT
(FR) PARTICULES DE RÉSINE DE POLYSTYRÈNE EXPANSIBLE, PARTICULES DE POLYSTYRÈNE PRÉ-EXPANSÉES ET PRODUIT MOULÉ EXPANSÉ
(JA) 発泡性ポリスチレン系樹脂粒子、ポリスチレン系予備発泡粒子および発泡成形体
Abstract
(EN)
The present invention addresses the problem of providing foamable polystyrene resin particles suitable for obtaining a foamed molded product capable of reducing the generation of rubbing noise. In a foamable polystyrene resin particle, the surface of a foamable polystyrene resin particle body is coated with a specific oil and fat and a metal salt of a higher fatty acid, and a static friction coefficient and a difference between the static friction coefficient and a dynamic friction coefficient of a foamed molded product obtained by expanding the foamable polystyrene resin particles by a factor of 40 are within specific ranges.
(FR)
La présente invention aborde le problème de la fourniture de particules de résine de polystyrène expansible appropriées pour obtenir un produit moulé expansé apte à réduire la génération de bruit de frottement. Dans une particule de résine de polystyrène expansible, la surface d'un corps de particule de résine de polystyrène expansible est revêtue d'une huile et d'une graisse spécifiques et d'un sel métallique d'un acide gras supérieur et un coefficient de friction statique et la différence entre le coefficient de friction statique et un coefficient de friction dynamique d'un produit moulé expansé obtenu par expansion des particules de résine de polystyrène expansible d'un facteur de 40 se situent dans des plages spécifiques.
(JA)
擦れ音の発生を低減できる発泡成形体を得ることに適した発泡性ポリスチレン系樹脂粒子を提供することを課題とする。発泡性ポリスチレン系樹脂粒子本体の表面に特定の油脂および高級脂肪酸の金属塩が塗布されてなり、発泡性ポリスチレン系樹脂粒子を40倍に発泡させてなる発泡成形体の静止摩擦係数および静止摩擦係数と動摩擦係数との差が特定の範囲内である発泡性ポリスチレン系樹脂粒子とする。
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