유리섬유강화수지판

• Main Authors: NUKUI YOSUKE, SASAMOTO TAIKI
• Format: Patent
• Language: Korean
• Published: 19.10.2022
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

두께가 0.5㎜ 이하여도, 치수 안정성, 강도, 표면 평활성 및 생산성이 우수한 유리섬유강화수지판을 제공한다. 본발명은 편평한 단면형상을 가지며 짧은 직경 DS 가 4.5∼12.0㎛ 범위에 있고, 긴 직경 DL이 20.0∼50.0㎛ 범위에 있는 유리섬유와, 비정질 열가소성 수지를 포함하고, 두께가 0.5㎜ 이하인 유리섬유강화수지판으로서, 유리섬유의 수평균 섬유길이 L이 50∼400㎛ 범위에 있고, 유리섬유 함유율 C가 25.0∼55.0질량% 범위에 있으며, 상기 DS, DL, L 및 C가 하기 식(1)을 만족하는 것을 특징으로 한다. 0.32≤1000×DS×DL3×(C/100)4/L3≤1.22 ...(1) Provided is a glass-fiber-reinforced resin plate excellent in dimensional stability, strength, surface smoothness, and productivity even if having a thickness of 0.5 mm or less. The present invention is a glass-fiber-reinforced resin plate having a thickness of 0.5 mm or less, comprising glass fiber that has a flat cross-sectional shape with a minor axis Ds in the range of 4.5 to 12.0 µm and a major axis DL in the range of 20.0 to 50.0 µm, and an amorphous thermoplastic resin, wherein the number average fiber length L of the glass fiber is in the range of 50 to 400 µm, the glass fiber content C is in the range of 25.0 to 55.0% by mass, and the Ds, DL, L, and C satisfy the following formula (1): 0.32≤1000×DS×DL3×C/1004/L3≤1.22