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1. (WO2019026966) FOAMABLE POLYSTYRENE RESIN PARTICLES, POLYSTYRENE PREFOAMED PARTICLES, FOAM-MOLDED ARTICLE, AND METHODS FOR PRODUCING THESE
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Pub. No.:
WO/2019/026966
International Application No.:
PCT/JP2018/028881
Publication Date:
07.02.2019
International Filing Date:
01.08.2018
IPC:
C08J 9/16
(2006.01) ,
C08F 290/00
(2006.01)
C
CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
9
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
16
Making expandable particles
C
CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
290
Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
Applicants:
株式会社カネカ KANEKA CORPORATION
[JP/JP]; 大阪府大阪市北区中之島二丁目3番18号 3-18, Nakanoshima 2-chome, Kita-ku, Osaka-shi, Osaka 5308288, JP
Inventors:
田村 充宏 TAMURA, Mitsuhiro
; JP
大原 洋一 OHARA, Yoichi
; JP
Agent:
特許業務法人HARAKENZO WORLD PATENT & TRADEMARK HARAKENZO WORLD PATENT & TRADEMARK
; 大阪府大阪市北区天神橋2丁目北2番6号 大和南森町ビル Daiwa Minamimorimachi Building, 2-6, Tenjinbashi 2-chome Kita, Kita-ku, Osaka-shi, Osaka 5300041, JP
Priority Data:
2017-151473
04.08.2017
JP
2017-185350
26.09.2017
JP
Title
(EN)
FOAMABLE POLYSTYRENE RESIN PARTICLES, POLYSTYRENE PREFOAMED PARTICLES, FOAM-MOLDED ARTICLE, AND METHODS FOR PRODUCING THESE
(FR)
PARTICULES DE RÉSINE POLYSTYRÈNE EXPANSIBLES, PARTICULES DE POLYSTYRÈNE PRÉ-EXPANSÉES, ARTICLE MOULÉ EN MOUSSE, ET LEURS PROCÉDÉS DE PRODUCTION
(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、発泡成形体、及びそれらの製造方法
Abstract:
(EN)
The purpose of the present invention is to provide foamable polystyrene resin particles that yield a foam-molded article capable of suppressing rubbing sounds while reducing contamination of a prefoaming machine and molding dies without applying a large amount of external additive, and a method for producing the same foamable polystyrene resin particles. This method for producing foamable polystyrene resin particles includes a resin particle production step for producing polystyrene resin particles configured from a styrene monomer and a polysiloxane-containing macromonomer, and a foamable resin particle production step for impregnating the polystyrene resin particles with a foaming agent to produce foamable polystyrene resin particles, the method being achievable by a method for producing foamable polystyrene resin particles in which an initiator that generates an alkoxy radical and/or carbonate radical is added simultaneously with addition of the polysiloxane-containing macromonomer in the resin particle production step.
(FR)
L'objet de la présente invention est de pourvoir à des particules de résine polystyrène expansibles qui donnent un article moulé en mousse capable d'éliminer les bruits de frottement tout en réduisant la contamination d'une machine de pré-expansion et des filières de moulage sans appliquer de grandes quantités d'additif externe, et à un procédé de production desdites particules de résine polystyrène expansibles. Le procédé de production de particules de résine polystyrène expansibles selon l'invention comprend une étape de production de particules de résine pour obtenir des particules de résine polystyrène à partir d'un monomère de styrène et d'un macromonomère contenant un polysiloxane, et une étape de production de particules de résine expansibles pour imprégner les particules de résine polystyrène avec un agent d'expansion et obtenir des particules de résine polystyrène expansibles, où le procédé peut être mis en œuvre par un procédé de production de particules de résine polystyrène expansibles dans lequel un initiateur qui génère un radical alcoxy et/ou un radical carbonate est ajouté simultanément à l'ajout du macromonomère contenant le polysiloxane dans l'étape de production de particules de résine.
(JA)
本発明は多量に外添剤を塗布することなく、また予備発泡機や成形金型の汚染を低減しつつ、擦れ音を抑制できる発泡成形体が得られる発泡性ポリスチレン系樹脂粒子及びその製造方法を提供することを目的とする。 発泡性ポリスチレン系樹脂粒子の製造方法であって、スチレン系単量体とポリシロキサン含有マクロモノマーとから構成されるポリスチレン系樹脂粒子を製造する樹脂粒子製造工程と、前記ポリスチレン系樹脂粒子に発泡剤を含浸させて発泡性ポリスチレン系樹脂粒子を製造する発泡性樹脂粒子製造工程と、を含み、前記樹脂粒子製造工程において、ポリシロキサン含有マクロモノマーを添加すると同時に、アルコキシラジカル及び/またはカーボネートラジカルを発生させる開始剤を添加する、発泡性ポリスチレン系樹脂粒子の製造方法により達成できる。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)