REINFORCEMENT FIBER CORD AND METHOD FOR MANUFACTURING SAME

• Main Authors: OKAMURA, Shuhei, SHIMADA, Shintaro
• Format: Patent
• Language: English; French; German
• Published: 04.11.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GENERAL PROCESSES OF COMPOUNDING; LAUNDERING; MECHANICAL FINISHING OF YARNS OR ROPES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; WARPING OR BEAMING; WORKING-UP; YARNS; YARNS OR THREADS

A fiber cord for reinforcement, having an adhesive treatment agent attached to a surface thereof. The fiber cord includes, in an inner layer part thereof, two kinds of compounds each having a molecular weight of less than 1,000. The main compound is an aromatic compound or contains an ±-dicarboxylic acid component, and the other compound is an aliphatic compound or an alicyclic compound. Further, it is preferable that the adhesive treatment agent is a resorcin-formalin-latex-based adhesive, and the fiber cord includes a twisted synthetic fiber. In addition, it is preferable that the aromatic compound is a heterocyclic compound, the main compound is located only in the inner layer part of the fiber cord, and a compound having a hexamethylene diisocyanate trimer structure is present, and it is preferable that no latex is present in the inner layer part of the fiber cord. This fiber cord is produced through a two-stage treatment with a pre-treatment liquid and an adhesive treatment liquid, and a fiber cord for reinforcement having significantly improved fraying resistance and being excellent in adhesion to the matrix and fatigue resistance (durability) is provided.