KR20140096293A - 넓은 분자량 분포 및 낮은 추출가능물을 갖는 저밀도 에틸렌-계 중합체 - Google Patents
넓은 분자량 분포 및 낮은 추출가능물을 갖는 저밀도 에틸렌-계 중합체 Download PDFInfo
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- KR20140096293A KR20140096293A KR1020147013483A KR20147013483A KR20140096293A KR 20140096293 A KR20140096293 A KR 20140096293A KR 1020147013483 A KR1020147013483 A KR 1020147013483A KR 20147013483 A KR20147013483 A KR 20147013483A KR 20140096293 A KR20140096293 A KR 20140096293A
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Classifications
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Abstract
Description
도 2는 중합 흐름도의 도식이다.
도 3은 비교 중합체 및 본 발명의 중합체에 대한 "Mw(abs) 대 용융 지수 (I2)"를 묘사한다.
도 4는 비교 중합체 및 본 발명의 중합체에 대한 "클로로포름 추출가능물 대 (G')"를 묘사한다.
도 5는 비교 중합체 및 본 발명의 중합체에 대한 "(G') 대 용융 지수 (I2)"를 묘사한다.
도 6은 본 발명의 LDPE 및 비교용 LDPE를 위한 GPC 크로마토그램을 묘사한다.
Claims (15)
- 다음 성질을 포함하는 에틸렌-계 중합체:
a) 용융 지수 (I2) ≥ 2.0 dg/min;
b) Mw(abs) 대 I2 관계: Mw(abs) < A + B(I2), 여기서 A = 2.40 x 105 g/mol이고, B = -8.00 x 103 (g/mol)/(dg/min)임; 및
c) G' 대 I2 관계: G' ≥ C + D(I2), 여기서 C = 127.5 Pa이고, D = -1.25 Pa/(dg/min)임. - 다음 성질을 포함하는 에틸렌-계 중합체:
a) 용융 지수 (I2) ≥ 2.0 dg/min;
b) G' 대 I2 관계: G' ≥ C + D(I2), 여기서 C = 127.5 Pa이고, D = -1.25 Pa/(dg/min)임
c) 클로로포름 추출가능물 (Clext) 대 G' 관계: Clext. ≤ E + FG', 여기서 E = 0.20 중량%이고, F = 0.060 중량%/Pa임;
d) 다음 관계를 만족시키는, "중합체의 총 중량을 기준으로 하고, GPC(abs)에 의해 측정되었을 때, 106 g/mol보다 큰 분자량의 중량 분획 (w)": w < I+J(I2), 여기서 I = 0.080이고, J = -4.00 ×10-3 min/dg임. - 제1항에 있어서, 중합체가 d) 클로로포름 추출가능물 (Clext) 대 G' 관계: Clext. ≤ E + FG'를 추가로 포함하고, 여기서 E = 0.20 중량%이고, F = 0.060 중량%/Pa인 에틸렌-계 중합체.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 에틸렌-계 중합체가 폴리에틸렌 단독중합체 또는 에틸렌-계 혼성중합체로부터 선택되는 에틸렌-계 중합체.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 에틸렌-계 중합체가 폴리에틸렌 단독중합체 또는 에틸렌-계 공중합체로부터 선택되고; 여기서 에틸렌-계 공중합체의 공단량체가 비닐 아세테이트, 알킬 아크릴레이트, CO, 아크릴산, 카르복실산-함유 공단량체, 또는 모노 올레핀으로부터 선택되는 에틸렌-계 중합체.
- 제5항에 있어서, 공단량체가 공중합체의 중량을 기준으로, 0.5 내지 10 중량% 공단량체의 양으로 존재하는 에틸렌-계 중합체.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 중합체가 에틸렌-계 중합체에서 단량체 단위의 총 mol을 기준으로, 가교결합제 및/또는 가교결합 능력을 갖는 공단량체 30 mol ppm 미만을 포함하는 에틸렌-계 중합체.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 중합체가 중합체의 중량을 기준으로, 헥산 추출가능한 수준 ≤ 4.5 중량%를 갖는 에틸렌-계 중합체.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 중합체가 폴리에틸렌 단독중합체인 에틸렌-계 중합체.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 중합체가 에틸렌-계 공중합체이고; 여기서 에틸렌-계 공중합체의 공단량체가 비닐 아세테이트, 알킬 아크릴레이트, CO, 아크릴산, 카르복실산-함유 공단량체, 또는 모노 올레핀으로부터 선택되는 에틸렌-계 중합체.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 중합체가 중량 평균 분자량 Mw(abs) ≥ G + H(I2)을 갖고, 여기서 G = 1.60 x 105 g/mol이고, H = -8.00 x 103 (g/mol)/(dg/min)인 에틸렌-계 중합체.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 중합체가 I2≤20 g/10 min을 갖는 에틸렌-계 중합체.
- 제1항 내지 제12항 중 어느 한 항의 에틸렌-계 중합체를 포함하는 조성물.
- 제8항에 있어서, 조성물이 온도 = 290℃, 코팅 중량 = 25 g/m2 및 라인 속도 = 300 m/min에서 "넥-인(neck-in)" 값 ≤ 150 mm을 갖는 조성물.
- 제13항 또는 제14항의 조성물로부터 형성된 하나 이상의 성분을 포함하는 제품.
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