POWDER FOR POWDER SLUSH MOLDING, METHOD OF PRODUCING THE SAME, AND CRASH PAD FOR VEHICLE

• Main Authors: LEE, MIN HEE, SHIN, JUN BEOM, KANG, KYOUNG MIN, KANG, SUNG YONG
• Format: Patent
• Language: English; Korean
• Published: 21.10.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; 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

Provided is a powder for powder slush molding (PSM) including spherical thermoplastic resin particles and having 0-300% of a particle size deviation (D) defined by the following equation 1: particle size deviation (D) = (d_1-d_2)/d_2 X 100. In the equation 1, d_1 and d_2 mean each diameter of two particles arbitrarily selected from the thermoplastic resin particles and satisfy the relationship of d_1 > d_2. Additionally, provided is a method for manufacturing the powder for the PSM. Additionally, provided is a crash pad for a vehicle including a surface layer manufactured by using the powder for the PSM. 구형의 열가소성 수지 입자를 포함하고, 하기 식 1에 의해 정의되는 입도편차(D)가 0% 내지 300%인 파우더슬러쉬몰딩(powder slush molding, PMS)용 파우더: [식 1] 입도편차(D) = (d-d)/dX100 가 제공된다. 상기 식 1에서, 상기 d및 상기 d는 상기 열가소성 수지 입자 중에서 임의로 선택된 2개의 입자의 각각의 직경을 의미하고, d>d의 관계를 만족한다. 또한, 상기 파우더슬러쉬몰딩용 파우더의 제조 방법이 제공된다. 또한, 상기 파우더슬러쉬몰딩용 파우더를 이용하여 제조된 표면층을 포함하는 자동차용 크래쉬패드가 제공된다.