FIBRE-REINFORCED COMPOSITE WITH REDUCED SURFACE WAVINESS

• Main Authors: NIESSNER NORBERT, SCHULZ TOBIAS, BLINZLER MARKO, JAHNKE EIKE, JUAN PIERRE, DEITMERG PHILIPP
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

The invention relates to fibre-reinforced composite (K) comprising (based on the total weight of the fibre-reinforced composite (K)): (A) not less than 50 wt.-% of at least one continuous fibrous reinforcement material; (B) less than 50 wt.-% of at least one substantially amorphous matrix polymer composition comprising (based on the total weight of the matrix polymer composition (B)): (B1) 60 to 80 wt.-% of at least one copolymer of styrene and/or alpha-methyl styrene and acrylonitrile having a number average molecular weight Mn of 30,000 to 100,000 g/mol; and (B2) 20 to 40 wt.-%of at least one copolymer of styrene, acrylonitrile, maleic anhydride and/or maleic acid having a number average molecular weight Mn of 30,000 to 100,000 g/mol; wherein the matrix polymer composition (B) has a glass transition temperature (Tg) of at least 100 DEG C and a melt volume-flow rate (MVR (220/10) determined according to ISO 1133) of 10 to 90 mL/10 min. 本发明涉及一种纤维增强复合材料(K)，其包含(基于所述纤维增强复合材料(K)的总重量)：(A)≥50重量％的至少一种连续纤维增强材料；(B)<50