PELLET OF LIQUID CRYSTAL POLYESTER RESIN COMPOSITION

• Main Authors: HARA SADAYUKI, SUGIYAMA TAKAYUKI, UONAMI MASANOBU
• Format: Patent
• Language: English; Japanese
• Published: 01.07.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide pellets of liquid crystal polyester resin composition and a manufacturing method thereof, in which the generation of fine powder caused by cracking of the pellets is suppressed.SOLUTION: The pellets of the liquid crystal polyester resin composition contains liquid crystalline polyester resin and an inorganic filler, the horizontal pellet diameter in a rectangle circumscribed to the projected image of the front surface of the pellet is the length of the long side of the rectangle, the vertical pellet diameter is the length of the short side of the rectangle, the length of the long side of the rectangle is 3 mm or longer and 4 mm or shorter, and the area ratio S/S0 between an area S of the projected image and an area S0 of the rectangle is 0.55 or more and 0.70 or less.SELECTED DRAWING: None 【課題】ペレットの割れに起因する微粉の発生が抑制された液晶ポリエステル樹脂組成物のペレットおよびその製造方法を提供する。【解決手段】液晶ポリエステル樹脂と、無機充填材と、を含む液晶ポリエステル樹脂組成物のペレットであって、ペレットの正面の投影像に外接する長方形における水平フェレ径を、前記長方形の長辺の長さとし、垂直フェレ径を前記長方形の短辺の長さとし、前記長方形の長辺の長さが、３ｍｍ以上４ｍｍ以下であり、投影像の面積Ｓと、長方形の面積Ｓ０との面積比Ｓ／Ｓ０が、０．５５以上０．７０以下である、液晶ポリエステル樹脂組成物のペレット。【選択図】なし