CROSSLINKABLE NITRILE RUBBER COMPOSITION AND RUBBER CROSSLINKED PRODUCT

• Main Authors: SUGAWARA SHINSUKE, KATANO CHIKARA
• Format: Patent
• Language: English; Korean
• Published: 23.06.2017
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

α,β-에틸렌성 불포화 니트릴 단량체 단위 0.1~15 중량%, α,β-에틸렌성 불포화 디카르복실산모노에스테르 단량체 단위 1~10 중량%, α,β-에틸렌성 불포화 모노카르복실산에스테르 단량체 단위 40~75 중량%, 및 디엔 단량체 단위 및/또는 α-올레핀 단량체 단위 20~58.9 중량%를 함유하는 니트릴 고무(a)와 폴리아민계 가교제(b)를 함유하고, 상기 니트릴 고무(a) 100 중량부에 대한 상기 폴리아민계 가교제(b)의 함유 비율이 0.1~20 중량부인 가교성 니트릴 고무 조성물을 제공한다. A cross-linkable nitrile rubber composition comprising a nitrile rubber (a) containing 0.1 to 15 wt% of ±,²-ethylenically unsaturated nitrile monomer units, 1 to 10 wt% of ±,²-ethylenically unsaturated dicarboxylic acid monoester monomer units, 40 to 75 wt% of ±,²-ethylenically unsaturated monocarboxylic acid ester monomer units, and 20 to 58.9 wt% of diene monomer units and/or ±-olefin monomer units, and a polyamine-based cross-linking agent (b), wherein a ratio of content of the polyamine-based cross-linking agent (b) with respect to 100 parts by weight of the nitrile rubber (a) is 0.1 to 20 parts by weight is provided.