KR102639476B1 - 변성 공액디엔계 중합체 및 이를 포함하는 고무 조성물 - Google Patents
변성 공액디엔계 중합체 및 이를 포함하는 고무 조성물 Download PDFInfo
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- KR102639476B1 KR102639476B1 KR1020180153040A KR20180153040A KR102639476B1 KR 102639476 B1 KR102639476 B1 KR 102639476B1 KR 1020180153040 A KR1020180153040 A KR 1020180153040A KR 20180153040 A KR20180153040 A KR 20180153040A KR 102639476 B1 KR102639476 B1 KR 102639476B1
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- conjugated diene
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- RZOVYLZCIFZAFS-UHFFFAOYSA-N 3-imidazol-1-yl-N-(3-imidazol-1-ylpropyl)-N-(triethoxysilylmethyl)propan-1-amine Chemical compound N1(C=NC=C1)CCCN(C[Si](OCC)(OCC)OCC)CCCN1C=NC=C1 RZOVYLZCIFZAFS-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
- 235000021355 Stearic acid Nutrition 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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- 125000002496 methyl group Chemical group [H]C([H])([H])* 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
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- 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
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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.
구분 | 실시예 | 비교예 | 참조예 | ||||||||
1 | 2 | 3 | 1 | 2 | 3 | 4 | 5 | 1 | 2 | ||
극성첨가제 | DTP | DTP | DTP | DTP | DTP | DTP | DTP | DTP | DTP | DTP | |
개시제 | a | a | a | a | c | a | a | c | a | a | |
반응조건 | 변성제 또는 커플링제 | A | B | C | A | E | A | - | A | A | A |
제1 반응기 온도(℃) | 50 | 50 | 50 | 50->80 | 50 | 75 | 50 | 50 | 50->80 | 50->80 | |
제1 반응기 중합 전환율(%) | 40 | 43 | 43 | 배치 | 48 | 70 | 45 | 43 | 배치 | 배치 | |
NMR (중량%) |
SM | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Vinyl | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | |
GPC | Mw(X103 g/mol) | 512 | 477 | 468 | 468 | 473 | 623 | 459 | 482 | 284 | 540 |
Mn(X103 g/mol) | 310 | 308 | 310 | 310 | 305 | 310 | 310 | 309 | 210 | 400 | |
PDI | 1.65 | 1.55 | 1.51 | 1.51 | 1.55 | 2.01 | 1.48 | 1.56 | 1.35 | 1.35 | |
C.N. | 2.2 | 1.65 | 1.93 | 1.95 | 1.50 | 1.95 | - | 2.15 | 1.0 | 2.0 | |
분자량 분포 곡선 | 유니모달 | 유니모달 | 유니모달 | 바이모달 | 유니모달 | 유니모달 | 유니모달 | 유니모달 | 유니모달 | 유니모달 | |
무니점도(MV) | 61 | 59 | 56 | 55 | 61 | 55 | 56 | 58 | 45 | 62 | |
무니 완화율 | 0.71 | 0.99 | 0.83 | 1.00 | 0.88 | 0.66 | 1.05 | 1.13 | 1.14 | 1.03 | |
수축인자(g') | 0.84 | 0.98 | 0.93 | 0.96 | 0.91 | 0.56 | 1.23 | 1.10 | 1.03 | 0.93 | |
Si 함량(ppm) | 267 | 135 | 245 | 245 | 30 | 220 | - | 265 | 250 | 120 | |
N 함량(ppm) | 207 | 300 | 250 | 193 | - | 180 | 48 | 160 | 162 | 75 |
구분 | 실시예 | 비교예 | |||
4 | 5 | 6 | 6 | ||
극성첨가제 | DTP | DTP | DTP | DTP | |
개시제 | b | b | b | c | |
반응조건 | 변성제 또는 커플링제 | A | B | C | E |
제1 반응기 온도(℃) | 50 | 50 | 50 | 55 | |
제1 반응기 중합 전환율(%) | 40 | 43 | 41 | 48 | |
NMR (중량%) |
SM | 21 | 21 | 21 | 21 |
Vinyl | 50 | 50 | 50 | 50 | |
GPC | Mw(X103 g/mol) | 501 | 450 | 464 | 473 |
Mn(X103 g/mol) | 315 | 281 | 290 | 305 | |
PDI | 1.59 | 1.60 | 1.60 | 1.55 | |
C.N. | 2.15 | 1.71 | 1.68 | 1.50 | |
분자량 분포 곡선 | 유니모달 | 유니모달 | 유니모달 | 유니모달 | |
무니점도(MV) | 61 | 53 | 55 | 55 | |
무니 완화율 | 0.73 | 0.99 | 1.02 | 1.10 | |
수축인자(g') | 0.86 | 0.89 | 0.94 | 0.91 | |
Si 함량(ppm) | 260 | 126 | 233 | 30 | |
N 함량(ppm) | 210 | 310 | 240 | - |
개시제 | a | 화학식 (i)로 표시되는 화합물 |
b | 화학식 (ii)로 표시되는 화합물 | |
c | n-부틸리튬 | |
변성제 | A | N-(3-(1H-이미다졸-1-일)프로필)-3-(트리에톡시실릴)-N-(3-(트리에톡시실릴)프로필)프로판-1-아민 (N-(3-(1H-imidazol-1-yl)propyl)- 3-(triethoxysilyl)-N-(3-(triethoxysilyl)propyl)propan-1-amine) |
B | N-(3-(1H-이미다졸-1-일)프로필)-3-(1H-이미다졸-1-일)-N-((트리에톡시실릴)메틸)프로판-1-아민(N-(3-(1H-imidazol-1-yl)propyl)-3-(1H-imidazol-1-yl)-N-((triethoxysilyl)methyl)propan-1-amine) | |
C | 1,3-비스(3-(1H-이미다졸-1-일)프로필)1,1,3,3-테트라에톡시디실록산(1,3-bis(3- (1H-imidazol-1-yl)propyl)-1,1,3,3-tetraethoxydisiloxane) |
|
D | 3-(디메톡시(메틸)실릴)-N,N-디에틸프로판-1-아민 | |
커플링제 | E | 디클로로디메틸실란 |
구분 | 원료 | 함량(중량부) |
제1단 혼련 | 고무 | 100 |
실리카 | 70 | |
커플링제(X50S) | 11.2 | |
공정유 | 37.5 | |
아연화제 | 3 | |
스테아르산 | 2 | |
산화 방지제 | 2 | |
노화 방지제 | 2 | |
왁스 | 1 | |
제2단 혼련 | 황 | 1.5 |
고무촉진제 | 1.75 | |
가황촉진제 | 2 |
구분 | 실시예 | 비교예 | 참조예 | ||||||||
1 | 2 | 3 | 1 | 2 | 3 | 4 | 5 | 1 | 2 | ||
인장특성 | 인장강도(kgf/cm2) | 164 | 162 | 163 | 150 | 160 | 160 | 163 | 161 | 145 | 148 |
300% 모듈러스(kgf/cm2) | 115 | 113 | 110 | 105 | 85 | 107 | 94 | 106 | 98 | 100 | |
점탄성 특성 | tan δ(at 0℃) 인덱스 | 102 | 101 | 101 | 100 | 100 | 101 | 100 | 101 | 99 | 100 |
tan δ(at 60℃) 인덱스 | 133 | 131 | 131 | 120 | 100 | 120 | 115 | 115 | 113 | 115 | |
가공성 특성 | 85 | 87 | 87 | 115 | 75 | 80 | 90 | 82 | 109 | 107 |
구분 | 실시예 | 비교예 | |||
4 | 5 | 6 | 6 | ||
인장특성 | 인장강도(kgf/cm2) | 177 | 175 | 176 | 170 |
300% 모듈러스(kgf/cm2) | 135 | 133 | 132 | 98 | |
점탄성 특성 | tan δ(at 0℃) 인덱스 | 103 | 101 | 102 | 100 |
tan δ(at 60℃) 인덱스 | 134 | 132 | 132 | 100 | |
가공성 | 73 | 75 | 75 | 70 |
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 미만이며,
일 말단에 하기 화학식 1로 표시되는 변성 개시제 유래 작용기를 포함하고, 다른 일 말단에 하기 화학식 2 내지 화학식 4로 표시되는 변성제 중 선택된 어느 하나의 변성제 유래 작용기를 포함하고,
커플링 수(Coupling Number, C.N)가 1 < C.N < F이고, 여기서 F는 상기 변성제의 관능기 수인 것인 변성 공액디엔계 중합체:
[화학식 1]
상기 화학식 1에서,
M은 알칼리 금속이고,
R1 및 R2는 서로 독립적으로 수소; 탄소수 1 내지 30의 알킬기; N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 1 내지 30의 헤테로알킬기; 탄소수 5 내지 30의 시클로알킬기; 탄소수 5 내지 30의 아릴기; N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 3 내지 30의 헤테로고리기이거나; R1 및 R2가 서로 연결되어 탄소수 4 내지 20의 시클로알킬기; 또는 N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 3 내지 20의 헤테로고리기를 형성하며,
R3는 탄소수 1 내지 10의 알킬기, 탄소수 5 내지 10의 시클로알킬기 또는탄소수 5 내지 20의 아릴기로 치환 또는 비치환된 탄소수 1 내지 20의 알킬렌기, 탄소수 5 내지 20의 시클로알킬렌기, 또는 탄소수 4 내지 20의 아릴렌기이고,
R4는 수소; 탄소 1 내지 30의 알킬기; N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 1 내지 30의 헤테로알킬기; 탄소수 5 내지 30의 시클로알킬기; 탄소수 5 내지 30의 아릴기; 또는 N, O 및 S 로 이루어진 군으로부터 선택된 1종 이상의 헤테로 원자를 포함하는 탄소수 3 내지 30의 헤테로고리기이고,
[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 원자를 포함하는 탄소수 2 내지 4의 5원 헤테로 고리기이고,
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 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 1로 표시되는 변성 개시제는 하기 화학식 1a로 표시되는 것인 변성 공액디엔계 중합체:
[화학식 1a]
상기 화학식 1a에서,
M, R1, R2 및 R4는 화학식 1에서 정의한 바와 같고,
R5 내지 R8은 서로 독립적으로 수소, 탄소수 1 내지 10의 알킬기, 탄소수 5 내지 10의 시클로알킬기, 또는 탄소수 4 내지 20의 아릴기이다.
- 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/mol 인 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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KR102745053B1 (ko) * | 2019-10-14 | 2024-12-23 | 주식회사 엘지화학 | 분지구조의 변성 공액디엔계 중합체, 이의 제조방법 및 이를 포함하는 고무 조성물 |
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EP0572792A1 (en) | 1992-06-02 | 1993-12-08 | Bridgestone Corporation | Tire tread composition |
KR100932356B1 (ko) | 2001-09-27 | 2009-12-16 | 제이에스알 가부시끼가이샤 | 공액 디올레핀 (공)중합 고무, (공)중합 고무의 제조방법, 고무 조성물, 복합체 및 타이어 |
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NL86588C (ko) | 1980-09-20 | |||
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KR101899636B1 (ko) * | 2015-06-24 | 2018-09-17 | 주식회사 엘지화학 | 공액 디엔계 중합체 제조용 촉매 조성물 및 이를 이용하여 제조된 공액 디엔계 중합체 |
KR102117619B1 (ko) * | 2015-12-24 | 2020-06-02 | 주식회사 엘지화학 | 변성 공액디엔계 중합체, 이의 제조방법 및 변성제 |
KR101908195B1 (ko) * | 2015-12-28 | 2018-10-15 | 주식회사 엘지화학 | 중합 개시제, 변성 공액디엔계 중합체 및 이들의 제조방법 |
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EP0572792A1 (en) | 1992-06-02 | 1993-12-08 | Bridgestone Corporation | Tire tread composition |
KR100932356B1 (ko) | 2001-09-27 | 2009-12-16 | 제이에스알 가부시끼가이샤 | 공액 디올레핀 (공)중합 고무, (공)중합 고무의 제조방법, 고무 조성물, 복합체 및 타이어 |
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