KR980000569A - 유동층 중합 반응기에 액체 촉매를 공급하기 위한 방법 - Google Patents

유동층 중합 반응기에 액체 촉매를 공급하기 위한 방법 Download PDF

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KR980000569A
KR980000569A KR1019970023319A KR19970023319A KR980000569A KR 980000569 A KR980000569 A KR 980000569A KR 1019970023319 A KR1019970023319 A KR 1019970023319A KR 19970023319 A KR19970023319 A KR 19970023319A KR 980000569 A KR980000569 A KR 980000569A
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마크 그레고리 구드
클락 커티스 윌리암스
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카렌 존슨 위긴스
유니온 카바이드 케미칼스 앤드 플라스틱스 테크놀로지 코포레이션
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J2208/00539—Pressure
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    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
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    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
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Abstract

비지지 중합 촉매의 존재 하에서의 가스 상 중합 반응에 있어서, 상기 중합은 수지 입자의 평균 직경이 약 0.01에서 약 0.06인치의 범위로 생산되는 수지 입자 빈약 지역을 제공하기 위해 액체 촉매를 투입하는 방법을 제공한다.

Description

유동층 중합 반응기에 액체 촉매를 공급하기 위한 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. (ⅰ) 연속적으로 또는 간헐적으로 하나 이상의 단량체를, 선택적으로 적어도 하나의 디엔을, 선택적으로 적어도 하나의 불활성 입자상 물질을, 그리고 선택적으로 하나 이상의 불활성 가스를 중합 반응 영역에 투입하고 ; (ⅱ) 액체 형태의 비지지 중합 촉매를 입자 빈약 영역을 제공하기 위한 성장 중합체 입자의 층과 직접적인 접촉 없이 연속적으로 또는 간헐적으로 반응 용기에 투입하고 ; (ⅲ) 연속적으로 또는 간헐적으로 반응 용기로부터 중합 생성물을 회수하고 ; 그리고 (ⅳ) 연속적으로 비반응 단량체 및 상기 중합 반응으로부터의 비반응 가스를 회수하고 본 중합 반응 영역 내에 존재하는 적어도 하나의 단량체의 이슬점 이하로 중합 반응 영역의 온도를 유지하기 위해 상기 가스를 선택적으로 압축 또는 냉각하는 ; 단계로 구성되는 중합 조건하에서 성장 중합체입자의 층을 포함하는 중합 반응 영역을 갖는 가스 유동층 반응 용기 내에서 중합체를 생산하기 위한 방법.
  2. 제1항에 있어서, 상기 액체 형태의 비지지 촉매의 액적이 약 0.01내지 0.05인치 범위의 평균 중합체 입경을 갖도록 상기 층의 성장 중합체 입자와의 직접적인 접촉 없이 투입되는 것을 특징으로 하는 방법.
  3. 제2항에 있어서, 상기 액체 촉매를 그것이 유동화 영역으로 들어갈 때 액체 촉매의 통로로부터 떨어진 층의 수지 입자를 편향시키기에 충분한 속도를 갖는 하나 이상의 입자 편향 가스에 둘러싸인 운반 가스 내에 있는 것을 특징으로 하는 방법.
  4. 제3항에 있어서, 상기 액체 촉매는 적어도 하나의 입자 편향 가스 및 적어도 하나의 끝 세척 가스, 순환 가스, 단량체 가스, 사슬 전달 가스, 및 불활성 가스로 구성되는 군으로부터 선택된 각 가스에 둘러싸인 운반 가스 내에 있는 것을 특징으로 하는 방법.
  5. 제4항에 있어서, 상기 운반 가스 내에 있는 액체 촉매가 약 50ft/sec내지 약 400ft/sec범위의 속도로 투입되고 ; 상기 입자 편향 가스가 약 10ft/sec 내지 약 105ft/sec범위의 속도로 투입되고 ; 그리고 끝 세척가스의 속도 범위가 약 50ft/sec내지 약 250ft/sec인 것을 특징으로 하는 방법.
  6. 제4항에 있어서, 상기 입자 편향 가스 및 끝 세척 가스의 압력이 반응용기의 중합 반응 영역 내의 압력보다 높은 약 10 내지 약 50psig사이인 것을 특징으로 하는 방법.
  7. 제4항에 있어서, 상기 입자 편향 가스는 재순환 가스이고 끝 세척 가스는 단량체 가스인 것을 특징으로 하는 방법.
  8. 제4항에 있어서, 상기 액체 촉매가 (ⅰ) 촉매 주입 튜브 또는 노즐을 둘러싸는 입자 편향 가스 튜브 또는 (ⅱ) 촉매 주입 튜브 또는 노즐을 교대로 에워싸는 끝 세척 튜브를 둘러싸는 입자 편향 가스 튜브를 포함하는 촉매 운반 시스템에 의해 투입되는 것을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 액체 촉매가 메탈로센 촉매, 희토류 촉매 및 그들의 혼합물로 구성되는 군으로부터 선택되는 것을 특징으로 하는 방법.
  10. 제9항에 있어서, 상기 메탈로센 촉매 조성물이
    및 그들의 혼합물로 구성되는 군으로부터 선택된 촉매 전구체 여기서 ; M은 Zr또는 Hf이고 ; L은 치환된 또는 치환되지 않은,-결합 리간드이고 ; 각 Q는 같거나 다를 수 있고 -O-, -NR3 2- 및 -S-로 구성되는 군으로부터 독립적을 선택되고 ; Y는 C 또는 S이고 ; Q가 -NR3일 때의 Z는 -OR3, -NR3 2, -CR3 3, -SR3, -SiR3 3, -PR3 3및 -H로 구성되는 군으로부터 선택되고, 그리고 Z는 -OR3, -NR3 2, -CR3 3, -SR3, -SiR3 3, -PR3 2, 및 -H로 구성되는 군으로부터 선택되고 ; n은 1또는 2이고 ; A는 n이 2일 때 1가 음이온 군이고 n이 1일 때는 2가 음이온 군이며 ; R3는 같거나 다를 수 있고 탄소, 실리콘, 질소, 산소 및/또는 황화물을 포함하는 독립적인 군이고 하나 이상의 R3군이 L 치환체에 선택적으로 부착될 수 있고 ; T는 1에서 10까지의 탄소원자, 게르마늄, 실리콘 및 알킬 포스핀을 포함하는 알킬렌 또는 아릴렌 군으로 구성되는 군으로부터 선택된 가교 군이고 ; 그리고 m은 1 내지 7인 ; 촉매 전구체 및 (ⅱ) 공촉매를 포함하는 것을 특징으로 하는 방법.
  11. 제9항에 있어서, 상기 희토류 촉매가 네오디뮴 카르복실레이트, 네오디뮴 알콜레이트, 네오디뮴 아세틸아세토네이트, 네오디뮴 할라이드, 네오디뮴 알릴 유도체, 및 그들의 혼합물로 구성되는 군으로부터 선택되는 것을 특징으로 하는 방법.
  12. 제1항에 있어서, 상기 중합체가 (a) 에틸렌 동종중합체, 에틸렌 공중합체, 및 하나 이상의 C3-C12알파올레핀을 갖는 에틸렌 삼중합체 ; (b) 프로필렌 동종 중합체 및 하나 이상의 C4-C12알파 올레핀을 갖는 프로필렌 공중합체 ; (c) 폴리부타디엔 ; 및 (d) 에틸렌 프로필렌 고무 및 에틸렌 프로필렌 디엔 고무 ; 로 구성되는 군으로부터 선택되어 생산되는 것을 특징으로 하는 방법.
  13. 제1항에 있어서, 상기 디엔이 5-에틸리덴-2-노르보덴, 1,3-시클로펜타디엔, 1,7-옥타디엔, 1,4-헥사디엔, 및 그들의 혼합물로 구성되는 군으로부터 선택되어 사용되는 것을 특징으로 하는 방법.
  14. 제1항에 있어서, 상기 불활성 입자상 물질이 카본 블랙, 실리카, 진흙(clay), 탈크(talc) 및 그들의 혼합물로 구성되는 군으로부터 선택되어 사용되는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970023319A 1996-06-06 1997-06-05 유동층중합반응기에액체촉매를공급하기위한방법 KR100327833B1 (ko)

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US08/659,764 US5693727A (en) 1996-06-06 1996-06-06 Method for feeding a liquid catalyst to a fluidized bed polymerization reactor
US08/659,764 1996-06-06

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