KR20220066373A - 개선된 가공성 및 충격 강도를 가지는 폴리프로필렌 조성물 - Google Patents
개선된 가공성 및 충격 강도를 가지는 폴리프로필렌 조성물 Download PDFInfo
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- KR20220066373A KR20220066373A KR1020227013427A KR20227013427A KR20220066373A KR 20220066373 A KR20220066373 A KR 20220066373A KR 1020227013427 A KR1020227013427 A KR 1020227013427A KR 20227013427 A KR20227013427 A KR 20227013427A KR 20220066373 A KR20220066373 A KR 20220066373A
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- polypropylene composition
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- copolymer
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Abstract
Description
PP-A1 | PP-A2 | PP-C1 | PP-C2 | ||
촉매 | SSC | SSC | ZNC | ZNC | |
Donor | - | - | D | D | |
예비중합 | |||||
Co/ED | mol/mol | 0 | 0 | 7.3 | 40 |
Co/Ti | mol/mol | 0 | 0 | 220 | 230 |
온도 | ℃ | 25 | 20 | 30 | 30 |
체류시간 | 분 | 20 | 20 | 5 | 5 |
루프 | |||||
온도 | ℃ | 70 | 70 | 75 | 72 |
분할 | 중량% | 49 | 57 | 30 | 30 |
H2/C3 | mol/kmol | 0.40 | 0.45 | 14.8 | 18.8 |
MFR | g/10분 | 60 | 109 | 55 | 110 |
GPR1 | |||||
온도 | ℃ | 70 | 80 | 80 | 80 |
분할 | 중량% | 33 | 34 | 35 | 35 |
H2/C3 | mol/kmol | 3.7 | 4.0 | 149.7 | 136.8 |
C2/C3 | mol/kmol | 0.0 | 0.0 | 0.0 | 0.0 |
MFR | g/10분 | 102 | 109 | 55 | 80 |
MFR(GPR1) | g/10분 | 228 | 109 | 55 | 62 |
XCS | 중량% | 1.0 | 1.0 | 2.0 | 2.0 |
C2 | 중량% | 0.0 | 0.0 | 0.0 | 0.0 |
GPR2 | |||||
온도 | ℃ | 70 | 75 | 70 | 70 |
C2/C3 | mol/kmol | 807 | 854 | 584.6 | 514.9 |
H2/C2 | mol/kmol | 2.3 | 1.9 | 116.5 | 119.0 |
분할 | 중량% | 18 | 9 | 20 | 17 |
C2 | 중량% | 4.1 | 1.9 | 8.5 | 7.9 |
MFR | g/10분 | 43 | 90 | 11 | 15 |
GPR3 | |||||
온도 | ℃ | - | - | 85 | 85 |
C2/C3 | mol/kmol | - | - | 585.2 | 1429 |
H2/C2 | mol/kmol | - | - | 92.7 | 285.6 |
분할 | 중량% | 0 | 0 | 15 | 18 |
C2 | 중량% | - | - | 13 | 18.9 |
MFR | g/10분 | - | - | 11 | 18 |
펠릿 | |||||
XCS | 중량% | 17.5 | 11.6 | 32.9 | 31.5 |
C2(XCS) | 중량% | 18.5 | 24.1 | 34.3 | 44.8 |
iV(XCS) | dl/g | 2.4 | 2.5 | 3.6 | 2.3 |
MFR | g/10분 | 43 | 90 | 11 | 18 |
VB 비율 | - | 1.0 | 1.0 | 1.0 | 1.2 |
Tm | ℃ | 154 | 154 | 165 | 165 |
Tc | ℃ | 114 | 14 | 116 | 115 |
Crystex | |||||
SF | 중량% | 18.1 | 10.6 | 31.3 | n.m. |
C2 | 중량% | 4.09 | 1.9 | 15.1 | n.m. |
C2(SF) | 중량% | 17.6 | 23.3 | 38.6 | n.m. |
C2(CF) | 중량% | 1.38 | 0 | 5.1 | n.m. |
IV | dl/g | 1.43 | 1.22 | 2.1 | n.m. |
IV(SF) | dl/g | 2.68 | 2.38 | 3.6 | n.m. |
IV(CF) | dl/g | 1.13 | 1.07 | 1.5 | n.m. |
IE1 | IE2 | IE3 | IE4 | CE1 | CE2 | CE1 | ||
PP-A1 | 중량% | 85 | 75 | 65 | 100 | |||
PP-A2 | 중량% | 75 | 100 | |||||
소성중합체 B | 중량% | 15 | 15 | 25 | 25 | |||
PP-C1 | 중량% | 10 | 10 | |||||
PP-C2 | 중량% | 100 | ||||||
MFR2 | g/10분 | 28 | 25 | 19 | 36 | 43 | 18 | 88 |
XCS | 중량% | 29.8 | 31.4 | 39.7 | 33.7 | 17.5 | 31.5 | 11.6 |
C2(XCS) | 중량% | 25.5 | 27.1 | 31.7 | 34.3 | 18.5 | 44.8 | 24.1 |
iV(XCS) | dl/g | 2.5 | 2.6 | 2.6 | 2.5 | 2.4 | 2.3 | 2.5 |
굽힘 모듈러스 | MPa | 759 | 799 | 636 | 770 | 934 | 773 | 1138 |
샤르피 NIS23 ℃ | kJ/m2 | 61.4 | 64.8 | 74.9 | 34.1 | 8.1 | 53.9 | 4.41 |
샤르피 NIS20 ℃ | kJ/m2 | 8.39 | 10.06 | 65.3 | 7.95 | 2.73 | 8.50 | 1.82 |
VOC | ㎍/g | 32 | 49 | 47 | 36 | n.m. | 196 | n.m. |
FOG | ㎍/g | 78 | 100 | 108 | 79 | n.m. | 367 | n.m. |
Claims (15)
- 프로필렌 단일- 또는 공중합체인 결정질 매트릭스(A1), 상기 결정질 매트릭스는 CRYSTEX QC 법, ISO 6427-B에 따라 측정되는 결정질 분획(Crystalline Fraction, CF)에 상응하고 공단량체 0.0 내지 2.0 중량%를 포함함, 78.0 내지 92.0 중량% 및
비정질 프로필렌-에틸렌 탄성중합체(A2), 추가의 공단량체로서 C4 내지 C12 알파-올레핀을 선택적으로 포함하고, 상기 결정질 매트릭스(A1)에 분산됨, 8.0 내지 22.0 중량%를 포함하고,
여기서 (A1) 및 (A2)의 합은 100 중량%이며, 그리고 여기서 비정질 프로필렌 에틸렌 탄성중합체(A2)는 CRYSTEX QC 법, ISO 6427-B에 따라 측정되는 가용성 분획에 상응하고 공단량체 15.0 내지 30.0 중량%를 포함하고,
상기 헤테로상 프로필렌 공중합체는 230 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR2가 30 내지 120 g/10분인 것을 특징으로 하는
제1 헤테로상(heterophasic) 프로필렌 공중합체(A) 60 내지 95 중량%, 및
190 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR1이 0.1 내지 100 g/10분인 것 및 밀도가 840 내지 900 kg/m3 미만의 범위 내인 것을 특징으로 하는 탄성중합체성 에틸렌/알파-올레핀 랜덤 공중합체(B) 5 내지 40 중량%를 포함하고,
여기서 (A)와 (B)의 합은 100 중량%인 것인,
폴리프로필렌 조성물. - 제1 항에 있어서,
230 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR2가 5 내지 25 g/10분인 것 및 자일렌 냉가용성 분획(XCS) 25.0 내지 50.0 중량%를 포함하는 것을 특징으로 하는 제2 헤테로상 프로필렌 공중합체(C) 5.0 내지 15.0 중량%를 추가로 포함하는 것인
폴리프로필렌 조성물. - 제1 항 또는 제2 항에 있어서,
보강 미네랄 필러(D) 5.0 내지 30.0 중량%를 추가로 포함하는 것인
폴리프로필렌 조성물 - 제1 항 내지 제3 항 중 어느 한 항에 있어서,
230 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR2가 10.0 내지 100 g/10분인 것 및 자일렌 냉가용성 분획(XCS)을 20.0 내지 50.0 중량%의 범위 내로 포함하는 것이며, 상기 분획은 에틸렌 및/또는 C4-C12 알파-올레핀으로부터 선택되는 공단량체의 함량이 20.0 내지 40.0 중량%의 범위 내인 것인
폴리프로필렌 조성물. - 제1 항 내지 제4 항 중 어느 한 항에 있어서,
휘발성 물질(VOC, VDA 278 2011년 10월)의 양이 100 μg/g 미만인 것 및
반-휘발성(semi-volatile) 유기 응축성 물질(FOG, VDA 278 2011년 10월)의 양이 200 μg/g 미만인 것을 특징으로 하는
폴리프로필렌 조성물. - 제1 항 내지 제5 항 중 어느 한 항에 있어서,
제1 헤테로상 프로필렌 공중합체(A)가
CRYSTEC QC 법, ISO 6427-B에 따라 측정되는 결정질 분획(CF)에 상응하는 결정질 매트릭스(A1) 79.0 내지 91.0 중량% 바람직하게는 80.0 내지 90.0 중량%, 상기 결정질 분획은 0.5 내지 1.8 중량%, 바람직하게는 0.7 내지 1.6 중량%의 에틸렌을 포함하는 것 및 ISO1628에 따라 측정되는 고유 점도(Intrinsic Viscosity, IV)가 0.6 내지 2.0 dl/g, 바람직하게는 0.8 내지 1.8 dl/g인 것, 및
상기 결정질 매트릭스(A1)에 분산되는 비정질 프로필렌 에틸렌 탄성중합체(A2) 9.0 내지 21.0 중량% 바람직하게는 10.0 내지 20.0 중량%, 상기 프로필렌-에틸렌 탄성중합체는 CRYSTEC QC 법, ISO 6427-B에 따라 측정되는 용해성 분획(SF)에 상응하는 것, 16.5 내지 28.0 중량%, 바람직하게는 17.5 내지 26.0 중량%의 에틸렌을 포함하는 것, 및 ISO1628에 따라 측정되는 고유 점도(Intrinsic Viscosity, IV)가 1.8 내지 3.5 dl/g, 바람직하게는 2.0 내지 3.2 dl/g인 것을 포함하고,
여기서 (A1) 및 (A2)의 합은 100 중량%인 것을 특징으로 하는
폴리프로필렌 조성물. - 제1 항 내지 제6 항 중 어느 한 항에 있어서,
제1 헤테로상 프로필렌 공중합체(A)가 230 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR2가 20 내지 120 g/10분, 바람직하게는 35 내지 110 g/10분인 것 및/또는 FDA 법(C6FDA)에 따른 헥산-용해성 분획이 0.8 내지 2.8 중량%의 범위 내, 바람직하게는 1.0 내지 2.3 중량%의 범위 내인 것을 특징으로 하는
폴리프로필렌 조성물. - 제1 항 내지 제7 항 중 어느 한 항에 있어서,
탄성중합체성 에틸렌/알파-올레핀 랜덤 공중합체(B)는 기반으로 하는 단일 활성점 촉매(single-site catalyst)를 사용하는 용액 중합 공정을 기반으로 하는 것과 190 ℃ 및 2.16 kg의 하중에서 ISO1133에 따라 측정되는 용융 유량 MFR1가 0.2 내지 50 g/10분인 것 및 밀도가 850 내지 890 kg/m3 미만인 것을 특징으로 하는
폴리프로필렌 조성물. - 제1 항 내지 제8 항 중 어느 한 항에 있어서,
보강 미네랄 필러는 탈크, 마이카, 규회석(wollastonite) 및 탄산칼슘으로부터 선택되고, 입자 크기의 중앙값(D50)이 0.5 - 15 ㎛인 것 및 탑 컷(D95)이 1 - 50 ㎛인 것을 특징으로 하는
폴리프로필렌 조성물. - 제1 항 내지 제9 항 중 어느 한 항에 따른 폴리프로필렌 조성물의 제조 공정으로서, 하기의 공정 단계:
(i) 단일 활성점 촉매 시스템의 존재 하에 연속 중합 공정으로 제1 헤테로상 프로필렌 공중합체(A)를 중합하는 단계, 및
(ii) 상기 공중합체(A)를 적합한 양의 탄성중합체성 에틸렌/알파-올레핀 랜덤 공중합체(B)와 용융-혼합하는 단계,
(iii) 지글러-나타형(Ziegler-Natta type) 촉매 시스템의 존재 하에서 중합된 제2 헤테로상 프로필렌 공중합체(C)의 적합한 양과 보강 미네랄 필러(D)의 적합한 양을 상기 용융-혼합 단계에서 선택적으로 첨가하는 단계, 이어서
(iv) 스트랜드 펠릿화(strand pelletization) 또는 수중 펠릿화(underwater pelletization) 과정의 용융 결과물을 응고하는 단계
를 포함하는 폴리프로필렌 조성물의 제조 공정. - 제10 항에 있어서,
제1 헤테로상 프로필렌 공중합체(A)를 중합하기 위한 단일 활성점 촉매 시스템은 비대칭 메탈로센 촉매 착물 및 하나 이상의 공촉매를 포함하는 것인
폴리프로필렌 조성물의 제조 공정. - 제10 항에 있어서,
제2 헤테로상 프로필렌 공중합체(C)를 중합하기 위한 지글러-나타형 촉매 시스템은 마그네슘 화합물, 티타늄 화합물 및 비-프탈산성(non-phthalic) 내부 전자 도너(internal electron donor, ID)를 포함하는 자기-지지 지글러-나타 촉매, 알루미늄 화합물인 공촉매 및 실란인 외부 도너(external donor, ED)를 포함하는 것인
폴리프로필렌 조성물의 제조 공정. - 제1 항 내지 제9 항 중 어느 한 항에 따른 폴리프로필렌 조성물을 포함하는 사출 성형된 물품으로서,
ISO 178에 따라 측정되는 굽힘 모듈러스(flexural modulus)가 500 내지 100 MPa의 범위 내인 것, 23 ℃에서 ISO 179/1eA에 따라 측정되는 샤르피(Charpy) 노치 충격 강도(notched impact strength, NIS)가 20.0 kJ/m2 초과인 것 및 -20℃에서 ISO 179/1eA에 따라 측정되는 샤르피 NIS가 6.0 kJ/m2 초과인 것을 특징으로 하는
사출 성형된 물품. - 제1 항 내지 제9 항 중 어느 한 항에 따른 폴리프로필렌 조성물을 포함하고,
벽 두께가 최대 1.5 mm인
패키징 물품 또는 자동차 부품 - 사출 성형 공정에서 제1 항 내지 제7 항 중 어느 한 항에 따른 폴리프로필렌 조성물을 포함하고 벽 두께가 최대 1.5 mm인 패키징 물품 또는 자동차 부품을 제조하기 위한 제1 항 내지 제9 항 중 어느 한 항에 따른 폴리프로필렌 조성물의 용도.
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PCT/EP2020/079753 WO2021078861A1 (en) | 2019-10-23 | 2020-10-22 | Polypropylene composition with improved processability and impact strength |
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