수소 첨가 공액 디엔계 중합체, 중합체 조성물, 가교체 및 타이어

• Main Authors: KIKUCHI TOSHIMITSU, KAIZU MICHITAKA, ADACHI TAKUMI, SENGA HIROFUMI, SANO TAKUYA
• Format: Patent
• Language: Korean
• Published: 06.12.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; VEHICLE TYRES; VEHICLES IN GENERAL

2개 이상의 알콕시실릴기 및 2개 이상의 질소 원자를 갖는 질소 함유 화합물과 복수의 공액 디엔계 중합체쇄가 결합하여 이루어지는 구조를 갖고, 식 (1)로 나타나는 구조 단위, 식 (2)로 나타나는 구조 단위, 식 (3)으로 나타나는 구조 단위 및, 식 (4)로 나타나는 구조 단위의 중합체 중의 구성비(몰비)를 각각 p, q, r, s로 했을 때, 수식 (ⅰ)로 나타나는 값 α가 0.80 이상 0.97 이하이고, 또한, 평형 저장 탄성률 E'가 2.4㎫ 이상인, 수소 첨가 공액 디엔계 중합체. α＝(p＋(0.5×r))/(p＋q＋(0.5×r)＋s)　...(ⅰ) JPEGpct00024.jpg28147 Provided is a hydrogenated conjugated diene-based polymer which has a structure formed by bonding a nitrogen-containing compound having two or more alkoxysilyl groups and two or more nitrogen atoms with a plurality of conjugated diene-based polymer chains. when a composition ratio (molar ratio) in the polymer of a structural unit represented by formula (1), a structural unit represented by formula (2), a structural unit represented by formula (3), and a structural unit represented by formula (4) are p, q, r, and s, respectively, a value α represented by formula (i) is 0.80 or more and 0.97 or less, and an equilibrium storage modulus E' is 2.4 MPa or more. α=p+0.5×r/p+q+0.5×r+s