SULFUR-MODIFIED POLYCHLOROPRENE

• Main Authors: SUZUKI SHIGERU, SUZUKI RYOCHI, NODA NAOYA
• Format: Patent
• Language: English; Korean
• Published: 01.08.2016
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS; WORKING-UP

혼련 작업 시나 가황 작업 시에 니트로소아민 화합물이 발생하기 어려운 황 변성 폴리클로로프렌을 제공한다. 화학식 Ⅰ(화학식 Ⅰ 중, R은 탄소수 1 내지 4의 알킬기를 나타내고, x는 2 내지 8의 정수를 나타냄)로 표시되는 구조의 관능기를 0.05 내지 0.5질량% 함유하는 황 변성 폴리클로로프렌. Provided is a sulfur-modified polychloroprene that generates a smaller amount of nitrosamine compounds during kneading or curing operation. A sulfur-modified polychloroprene, comprising functional groups having a structure represented by Chemical Formula I (in Chemical Formula I, R 0 represents an alkyl group having 1 to 4 carbon atoms and x is an integer of 2 to 8) in an amount of 0.05 to 0.5 mass %: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ-S X -C(=S)-C)-R 0 €ƒ€ƒ€ƒ€ƒ€ƒI