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1. WO2022004630 - RESIN COMPOSITION AND RESIN MOLDED ARTICLE COMPRISING SAID RESIN COMPOSITION

Publication Number WO/2022/004630
Publication Date 06.01.2022
International Application No. PCT/JP2021/024294
International Filing Date 28.06.2021
IPC
C08L 67/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
67Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
D01F 6/92 2006.1
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
6Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof
88from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
92of polyesters
C08K 3/34 2006.1
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
3Use of inorganic substances as compounding ingredients
34Silicon-containing compounds
C08G 63/60 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
02Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds
60derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
Applicants
  • ENEOS株式会社 ENEOS CORPORATION [JP]/[JP]
Inventors
  • 梅村 雄二 UMEMURA Yuji
  • 大野 希望 ONO Nozomi
Agents
  • 中村 行孝 NAKAMURA Yukitaka
  • 小島 一真 KOJIMA Kazumasa
Priority Data
2020-11312830.06.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) RESIN COMPOSITION AND RESIN MOLDED ARTICLE COMPRISING SAID RESIN COMPOSITION
(FR) COMPOSITION DE RÉSINE ET ARTICLE MOULÉ EN RÉSINE COMPRENANT LADITE COMPOSITION DE RÉSINE
(JA) 樹脂組成物および該樹脂組成物からなる樹脂成形品
Abstract
(EN) [Problem] To provide a resin composition with which there is obtained a resin molded article having a low dielectric loss tangent and exceptional mechanical strength such as toughness, etc. [Solution] The resin composition according to the present invention includes a liquid crystal polyester resin (A) and a filler (B), wherein: the liquid crystal polyester resin (A) includes a structural unit (I) derived from 6-hydroxy-2-naphthoic acid, a structural unit (II) derived from an aromatic diol compound, and a structural unit (III) derived from an aromatic dicarboxylic acid compound; the structural unit (III) includes a structural unit (IIIA) derived from terephthalic acid and/or a structural unit (IIIB) derived from 2,6-naphthalenedicarboxylic acid; the compositional ratio of the above structural units (mol%) satisfies the conditions that 40 mol%≤structural unit (I)≤75 mol%, 12 mol%≤structural unit (II)≤30 mol%, and 12 mol%≤structural unit (III)≤30 mol%; the filler (B) is at least one selected from the group consisting of silica, mica, and talc; and the resin composition is characterized by having a dielectric loss tangent measured by the cavity resonator perturbation method at a measurement frequency of 10 GHz of 1.0×10-3 or less.
(FR) [Problème] Fournir une composition de résine permettant d'obtenir un article moulé en résine ayant une faible tangente de perte diélectrique et une résistance mécanique exceptionnelle telle qu'une ténacité, etc. [Solution] La composition de résine selon la présente invention comprend une résine de polyester à cristaux liquides (A) et une charge (B), la résine de polyester à cristaux liquides (A) comprenant un motif structural (I) dérivé de l'acide 6-hydroxy-2-naphtoïque, un motif structural (II) dérivé d'un composé diol aromatique, et un motif structural (III) dérivé d'un composé d'acide dicarboxylique aromatique ; le motif structural (III) comprenant un motif structural (IIIA) dérivé de l'acide téréphtalique et/ou un motif structural (IIIB) dérivé de l'acide 2,6-naphtalènedicarboxylique ; le rapport de composition des motifs structuraux ci-dessus (% en moles) satisfaisant aux conditions suivantes : 40 % en moles ≤ motif structural (I) ≤ 75 % en moles, 12 % en moles ≤ motif structural (II) ≤ 30 % en moles, et 12 % en moles ≤ motif structural (III) ≤ 30 % en moles ; la charge (B) étant au moins un élément choisi dans le groupe constitué par la silice, le mica et le talc ; et la composition de résine étant caractérisée en ce qu'elle présente une tangente de perte diélectrique mesurée par le procédé de perturbation par résonateur à cavité à une fréquence de mesure de 10 GHz de 1,0 × 10-3 ou moins.
(JA) [課題]低誘電正接であり、かつ、靭性等の機械強度性に優れる樹脂成形品が得られる樹脂組成物を提供。 [解決手段]本発明による樹脂組成物は、液晶ポリエステル樹脂(A)と、フィラー(B)とを含むものであって、 前記液晶ポリエステル樹脂(A)が、6-ヒドロキシ-2-ナフトエ酸に由来する構成単位(I)、芳香族ジオール化合物に由来する構成単位(II)、芳香族ジカルボン酸化合物に由来する構成単位(III)を含み、前記構成単位(III)が、テレフタル酸に由来する構成単位(IIIA)および/または2,6-ナフタレンジカルボン酸に由来する構成単位(IIIB)を含み、 前記構成単位の組成比(モル%)が、下記の条件: 40モル%≦構成単位(I)≦75モル% 12モル%≦構成単位(II)≦30モル% 12モル%≦構成単位(III)≦30モル% を満たし、 前記フィラー(B)が、シリカ、マイカ、およびタルクからなる群から選択される少なくとも1種であり、 前記樹脂組成物は、測定周波数10GHzにおける空洞共振器摂動法で測定した誘電正接が1.0×10-3以下であることを特徴とする。
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