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1. WO2020116605 - POWDERY LIQUID-CRYSTAL RESIN FOR PRESS-MOLDED ARTICLE, PRESS-MOLDED ARTICLE, AND PRODUCTION METHOD THEREFOR

Publication Number WO/2020/116605
Publication Date 11.06.2020
International Application No. PCT/JP2019/047786
International Filing Date 06.12.2019
IPC
C08J 3/12 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
3Processes of treating or compounding macromolecular substances
12Powdering or granulating
B29C 43/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
43Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
B29C 43/52 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
43Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
32Component parts, details or accessories; Auxiliary operations
52Heating or cooling
CPC
B29C 43/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
43Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
B29C 43/52
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
43Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
32Component parts, details or accessories; Auxiliary operations
52Heating or cooling
C08J 3/12
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
3Processes of treating or compounding macromolecular substances
12Powdering or granulating
Applicants
  • ポリプラスチックス株式会社 POLYPLASTICS CO., LTD. [JP]/[JP]
Inventors
  • 田口 吉昭 TAGUCHI Yoshiaki
  • 川崎 達也 KAWASAKI Tatsuya
Agents
  • 園田・小林特許業務法人 SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW
Priority Data
2018-22872306.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POWDERY LIQUID-CRYSTAL RESIN FOR PRESS-MOLDED ARTICLE, PRESS-MOLDED ARTICLE, AND PRODUCTION METHOD THEREFOR
(FR) RÉSINE DE CRISTAUX LIQUIDES EN POUDRE POUR ARTICLE MOULÉ PAR PRESSAGE, ARTICLE MOULÉ PAR PRESSAGE ET SON PROCÉDÉ DE PRODUCTION
(JA) プレス成形品用粉状液晶性樹脂、プレス成形品及びその製造方法
Abstract
(EN)
[Problem] To provide: a powdery liquid-crystal resin with which it is possible to produce a press-molded article having a high mechanical strength; a press-molded article using same; and a production method therefor. [Solution] This powdery liquid-crystal resin for a press-molded article has a bulk density more than 0.05 g/cm3 but not more than 0.5 g/m3. It is preferable for the powdery liquid-crystal resin to have a particle size distribution width of 3.0-12 as defined by JIS Z8825:2013. The powdery liquid-crystal resin preferably has an average particle size of 10-300 μm. It is also preferable for the powdery liquid-crystal resin to have a crystallinity degree of 20-70%.
(FR)
Le problème décrit par la présente invention est de fournir : une résine de cristaux liquides en poudre avec laquelle il est possible de produire un article moulé par pressage ayant une résistance mécanique élevée ; un article moulé par pressage l'utilisant ; et son procédé de production. La solution selon l'invention porte sur une résine de cristaux liquides en poudre pour un article moulé par pressage qui a une masse volumique apparente supérieure à 0,05 g/cm3 mais pas supérieure à 0,5 g/m3. Il est préférable que la résine de cristaux liquides en poudre ait une largeur de distribution de taille de particule de 3,0 à 12 telle que définie par JIS Z8825:2013. La résine de cristaux liquides en poudre a de préférence une taille moyenne de particule allant de 10 à 300 μm. Il est également préférable que la résine de cristaux liquides en poudre ait un degré de cristallinité de 20 à 70 %.
(JA)
【課題】高機械強度のプレス成形品を製造可能な粉状液晶性樹脂、並びにそれを用いたプレス成形品及びその製造方法を提供する。 【解決手段】嵩密度が0.05g/cmを超え0.5g/cm以下である、プレス成形品用粉状液晶性樹脂とする。粉状液晶性樹脂はJIS Z8825:2013に定義される粒子径分布の幅が3.0以上12以下であることが好ましい。粉状液晶性樹脂は平均粒径が10μm以上300μm以下であることが好ましい。粉状液晶性樹脂は結晶化度が20%以上70%以下であることが好ましい。
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