재료, 재료의 제조방법, 부분용착재료, 복합재료 및 성형품의 제조방법

• Main Authors: TAKAGI MITSURO, KAJI MASATAKA, MATSUMOTO NOBUHIKO, NAKAI ASAMI
• Format: Patent
• Language: Korean
• Published: 28.10.2019
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MECHANICAL FINISHING OF YARNS OR ROPES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WARPING OR BEAMING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP; YARNS; YARNS OR THREADS

섬유를 이용한 재료의 이점인, 유연성을 유지하면서, 또한, 열수축률이 작은 신규한 재료 그리고, 상기 재료의 제조방법, 상기 재료를 이용한 부분용착재료, 복합재료 및 성형품의 제조방법을 제공한다. 두께방향으로 연속하여, 제1의 영역, 섬유영역, 제2의 영역을 가지며, 상기 제1의 영역 및 상기 제2의 영역은, 각각 독립적으로, 20~100질량%의 열가소성 수지성분과, 80~0질량%의 강화섬유로 구성되는 수지층이고, 상기 섬유영역은, 20~100질량%의 열가소성 수지섬유와, 80~0질량%의 강화섬유로 구성되고, 상기 제1의 영역에 포함되는 열가소성 수지성분 및 상기 제2의 영역에 포함되는 열가소성 수지성분은, 각각 독립적으로, 시차주사열량측정법에 의해 측정되는 승온시 결정화에너지가, 2J/g 이상이고, 상기 섬유영역에 포함되는 열가소성 수지섬유는, 시차주사열량측정법에 의해 측정되는 승온시 결정화에너지가, 1J/g 미만인, 재료; 단, 승온시 결정화에너지란, 시차주사열량계(DSC)를 이용하여, 질소기류중, 25℃에서부터 상기 열가소성 수지성분 또는 열가소성 수지섬유의 융점+20℃까지 승온속도 10℃/분으로 가열하여 측정한 값을 말한다. To provide a novel material that maintains suppleness which is the advantage of a material using fibers and has a low thermal shrinkage ratio, and a method for producing the material, a partially welded material using the material, a composite material, and a method for producing a molded product.A material including: a first region, a fiber region, and a second region continuously in a thickness direction; the first region and the second region being each independently a resin layer including from 20 to 100 mass% of a thermoplastic resin component and from 80 to 0 mass% of reinforcing fibers; the fiber region including from 20 to 100 mass% of thermoplastic resin fibers and from 80 to 0 mass% of reinforcing fibers; the thermoplastic resin component included in the first region and the thermoplastic resin component included in the second region each independently having a crystallization energy during temperature increase of 2 J/g or greater, measured by differential scanning calorimetry; and the thermoplastic resin fibers included in the fiber region having a crystallization energy during temperature increase of less than 1 J/g, measured by differential scanning calorimetry; wherein the crystallization energy during temperature increase is a value measured by using a differential scanning calorimeter (DSC) in a nitrogen stream while heating is performed from 25°C to a temperature that is 20°C higher than a melting point of the thermoplastic resin component or the thermoplastic resin fibers at a temperature increase rate of 10°C/min.