KR102661831B1 - 변성 공액디엔계 중합체 및 이를 포함하는 고무 조성물 - Google Patents
변성 공액디엔계 중합체 및 이를 포함하는 고무 조성물 Download PDFInfo
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- KR102661831B1 KR102661831B1 KR1020180153042A KR20180153042A KR102661831B1 KR 102661831 B1 KR102661831 B1 KR 102661831B1 KR 1020180153042 A KR1020180153042 A KR 1020180153042A KR 20180153042 A KR20180153042 A KR 20180153042A KR 102661831 B1 KR102661831 B1 KR 102661831B1
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- 125000000524 functional group Chemical group 0.000 claims description 34
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- 238000004073 vulcanization Methods 0.000 description 4
- 239000004636 vulcanized rubber Substances 0.000 description 4
- COEVNBCNJBMPRA-UHFFFAOYSA-N 3-(1,2,4-triazol-1-yl)-N,N-bis(3-trimethoxysilylpropyl)propan-1-amine Chemical compound N1(N=CN=C1)CCCN(CCC[Si](OC)(OC)OC)CCC[Si](OC)(OC)OC COEVNBCNJBMPRA-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- PKQPWMVTROOHIQ-UHFFFAOYSA-N [diethoxy(3-imidazol-1-ylpropyl)silyl]oxy-diethoxy-(3-imidazol-1-ylpropyl)silane Chemical compound N1(C=NC=C1)CCC[Si](O[Si](OCC)(OCC)CCCN1C=NC=C1)(OCC)OCC PKQPWMVTROOHIQ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
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- BIGOJJYDFLNSGB-UHFFFAOYSA-N 3-isocyanopropyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)CCC[N+]#[C-] BIGOJJYDFLNSGB-UHFFFAOYSA-N 0.000 description 2
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F8/42—Introducing metal atoms or metal-containing groups
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
도 1은, 본 발명의 일 실시예에 따른 실시예 1의 변성 공액디엔계 중합체의 겔 투과 크로마토그래피(GPC, Gel permeation chromatography)에 의한 분자량 분포 곡선을 나타낸 것이다.
도 2는, 본 발명의 일 실시예에 따른 비교예 1의 변성 공액디엔계 중합체의 겔 투과 크로마토그래피(GPC, Gel permeation chromatography)에 의한 분자량 분포 곡선을 나타낸 것이다.
도 3은, 본 발명의 일 실시예에 따른 참조예 1의 변성 공액디엔계 중합체의 겔 투과 크로마토그래피(GPC, Gel permeation chromatography)에 의한 분자량 분포 곡선을 나타낸 것이다.
도 4는, 본 발명의 일 실시예에 따른 참조예 2의 변성 공액디엔계 중합체의 겔 투과 크로마토그래피(GPC, Gel permeation chromatography)에 의한 분자량 분포 곡선을 나타낸 것이다.
Claims (14)
- 겔 투과 크로마토그래피(GPC, Gel permeation chromatography)에 의한 분자량 분포 곡선이 유니모달(unimodal) 형태를 갖고,
분자량 분포(PDI; MWD)가 1.0 이상 1.7 미만이고,
커플링 수(Coupling Number, C.N)가 1 < C.N < F이고, 여기서 F는 변성제의 관능기 수이며,
일 말단에 변성 개시제 유래 작용기를 포함하고, 다른 일 말단에 하기 화학식 2 내지 화학식 4로 표시되는 변성제 중 선택된 어느 하나의 변성제 유래 작용기를 포함하며,
상기 변성 개시제는 하기 화학식 1로 표시되는 화합물과 유기금속 화합물과의 반응 생성물인 것인 변성 공액디엔계 중합체:
[화학식 1]
상기 화학식 1에서,
R1 내지 R5는 서로 독립적으로 수소; 탄소수 1 내지 20의 알킬기; 탄소수 3 내지 20의 시클로알킬기; 탄소수 6 내지 20의 아릴기; 탄소수 7 내지 20의 아릴알킬기; 또는 탄소수 7 내지 20의 알킬아릴기이고,
R6은 단일결합; 또는 탄소수 1 내지 12의 알킬렌기이고,
X는 O 또는 N이고,
R7 및 R8은 서로 독립적으로 탄소수 1 내지 14의 알킬기 또는 탄소수 5 내지 14의 아릴기이고, 단 X가 O인 경우 R7은 존재하지 않으며,
[화학식 2]
상기 화학식 2에서,
Ra1 및 Ra4는 서로 독립적으로 단일결합, 또는 탄소수 1 내지 10의 알킬렌기이고,
Ra2 및 Ra3는 서로 독립적으로 탄소수 1 내지 10의 알킬기이고,
Ra5는 N, O 및 S로 이루어진 군으로부터 선택되는 1종 이상의 헤테로 원자를포함하는 탄소수 2 내지 4의 5원 헤테로고리기이고,
n1은 1 내지 3의 정수이고,
n2는 0 내지 2의 정수이며,
[화학식 3]
상기 화학식 3에서,
A1 및 A2는 서로 독립적으로 탄소수 1 내지 20의 알킬렌기이고,
Rb1 내지 Rb4는 서로 독립적으로 탄소수 1 내지 20의 알킬기이고,
Rb5 및 Rb6은 서로 독립적으로 수소 또는 탄소수 1 내지 10의 알킬기이고,
A3 및 A4는 서로 독립적으로 또는 이고, 여기에서 Rb7 내지 Rb10은 서로 독립적으로 수소, 또는 탄소수 1 내지 10의 알킬기이며,
[화학식 4]
상기 화학식 4에서,
Rc1은 수소 또는 탄소수 1 내지 10의 알킬기이고,
Rc2 내지 Rc4는 서로 독립적으로 탄소수 1 내지 10의 알킬렌기이고,
Rc5 내지 Rc8은 서로 독립적으로 탄소수 1 내지 10의 알킬기이고,
A5는 또는 이고, 여기에서 Rc9 내지 Rc12는 서로 독립적으로 수소, 또는 탄소수 1 내지 10의 알킬기이며,
m1 및 m2는 서로 독립적으로 0 내지 3의 정수이되, m1+m2≥1 이다.
- 청구항 1에 있어서,
상기 화학식 1에서,
R1 내지 R5는 서로 독립적으로 수소 또는 탄소수 1 내지 10의 알킬기이고,
R6은 단일결합; 또는 탄소수 1 내지 6의 알킬렌기이고,
X는 O 또는 N이고,
R7 및 R8은 서로 독립적으로 탄소수 1 내지 10의 알킬기이고, 단 X가 O인 경우 R7은 존재하지 않는 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 화학식 2에서,
Ra1 및 Ra4는 서로 독립적으로 단일결합, 또는 탄소수 1 내지 5의 알킬렌기이고,
Ra2 및 Ra3는 서로 독립적으로 탄소수 1 내지 5의 알킬기이고,
Ra5는 (트리알콕시실릴)알킬기로 치환 또는 비치환되고, N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 2 내지 4의 5원 헤테로 고리기이고,
상기 (트리알콕시실릴)알킬기의 알킬기는 탄소수 1 내지 5의 알킬기이고, 상기 (트리알콕시실릴)알킬기의 알콕시는 탄소수 1 내지 5의 알콕시기이고,
n1은 1 내지 3의 정수이고,
n2는 0 내지 2의 정수인 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 화학식 3에서,
A1 및 A2는 서로 독립적으로 탄소수 1 내지 10의 알킬렌기이고,
Rb1 내지 Rb4는 서로 독립적으로 탄소수 1 내지 10의 알킬기이고,
Rb5 및 Rb6은 서로 독립적으로 수소 또는 탄소수 1 내지 10의 알킬기이고,
A3 및 A4는 서로 독립적으로 또는 이고, Rb7 내지 Rb10은 서로 독립적으로 수소, 또는 탄소수 1 내지 10의 알킬기인 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 화학식 3은 하기 화학식 3-1 또는 3-2로 표시되는 화합물인 것인 변성 공액디엔계 중합체:
[화학식 3-1]
[화학식 3-2]
상기 화학식 3-1 및 화학식 3-2에서,
A1 및 A2는 서로 독립적으로 탄소수 1 내지 10의 알킬렌기이고,
Rb1 내지 Rb4는 서로 독립적으로 탄소수 1 내지 10의 알킬기이다.
- 청구항 1에 있어서,
상기 화학식 4에서,
Rc1은 수소 또는 탄소수 1 내지 5의 알킬기이고,
Rc2 내지 Rc4는 서로 독립적으로 탄소수 1 내지 5의 알킬렌기이고,
Rc5 내지 Rc8은 서로 독립적으로 탄소수 1 내지 5의 알킬기이고,
A5는 또는 이고, Rc9 내지 Rc12는 서로 독립적으로 수소, 또는 탄소수 1 내지 5의 알킬기이며,
m1 및 m2는 서로 독립적으로 0 내지 3의 정수이되, m1+m2≥1인 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 변성 공액디엔계 중합체는 수평균 분자량(Mn)이 1,000 g/mol 내지 2,000,000 g/mol이고, 중량평균 분자량(Mw)이 1,000 g/mol 내지 3,000,000 g/mol인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 변성 공액디엔계 중합체는 Si 함량 및 N 함량이 각각 중량을 기준으로 50 ppm 이상인 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 변성 공액디엔계 중합체는 100℃에서 측정된 무니 완화율이 0.7 내지 3.0 인 것인 변성 공액디엔계 중합체.
- 청구항 1에 있어서,
상기 변성 공액디엔계 중합체는 점도 검출기를 구비한 겔 투과 크로마토그래피-광산란법 측정에 의해 구해지는 수축인자가 0.8 내지 3.0 인 것인 변성 공액디엔계 중합체.
- 삭제
- 청구항 1에 기재된 변성 공액디엔계 중합체 및 충전제를 포함하는 고무 조성물.
- 청구항 12에 있어서,
상기 고무 조성물은 상기 변성 공액디엔계 중합체 100 중량부에 대하여, 0.1 중량부 내지 200 중량부의 충전제를 포함하는 것인 고무 조성물.
- 청구항 12에 있어서,
상기 충전제는 실리카계 충전제 또는 카본계 충전제인 고무 조성물.
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