발포 성형용 가공 조제, 이를 포함하는 염화비닐 수지계 발포 성형 조성물 그리고 발포 성형물

• Main Authors: PETR MICHAEL T, VAN RHEENEN PAUL
• Format: Patent
• Language: Korean
• Published: 10.05.2018
• 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; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; 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

메틸 메타크릴레이트 30 내지 90중량%, 부틸 메타크릴레이트(BMA), 펜틸 메타크릴레이트(PMA) 및 헥실 메타크릴레이트(HMA)로 구성되는 군으로부터 선택되는 1종 이상의 단량체의 합계 10 내지 70중량%, 및 다른 공중합가능한 단량체 0 내지 20중량%의 중합에 의해 수득된 공중합체를 포함하되, 공중합체가 25℃에서 클로로포름 내 1 mg/mL에서 ASTM D2857에 따라 측정된 8dL/g 초과의 환원 점도를 갖는, 발포 성형용 가공 조제가 제공된다. A processing aid for foam molding comprising a copolymer obtained by the polymerization of 30 to 90% by weight of methyl methacrylate, 10 to 70% by weight total of one or more monomers selected from the group consisting of butyl methacrylate (BMA), pentyl methacrylate (PMA) and hexyl methacrylate (HMA), and 0 to 20% by weight of other copolymerizable monomers, the copolymer having a reduced viscosity measured according to ASTM D2857 at 1 mg/mL in chloroform at 25° C. of greater than 8 dL/g is provided.