KR20170108048A - 시간-의존적 공정 동안 화학 종의 성질을 예측하고 제어하기 위한 방법 및 시스템 - Google Patents
시간-의존적 공정 동안 화학 종의 성질을 예측하고 제어하기 위한 방법 및 시스템 Download PDFInfo
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Abstract
Description
도 2는 본 개시의 견본이 되는 실시양태에 따른 아크릴산으로의 아크릴아미드 (Am) 중합으로부터의 ACOMP 데이터의 그래픽 디스플레이다;
도 3은 전형적인 정적 방법을 이용하여 낮은 수준의 잔류 단량체의 측정을 도시하는 그래픽 디스플레이다;
도 4는 본 개시의 견본이 되는 실시양태에 따라 농도 설정점(setpoint)에 도달하기 위한 예측된 시간 대 예측이 이루어진 시간을 도시하는 그래픽 디스플레이다;
도 5는 또 다른 Am 중합 반응을 도시하는 그래픽 디스플레이며, 여기서 동력학적 방법이 본 개시의 견본이 되는 실시양태에 따라 Am 농도 설정점이 도달되는 것을 결정하기 위해 사용될 수 있다;
도 6은 본 개시의 견본이 되는 실시양태에 따라 오프라인 환원 점도 측정치 및 오프라인 무니(Mooney) 점도 측정치를 사용하여 중합체 등급 전환(changeover)을 표시하는 불연속점을 도시하는 그래픽 디스플레이다;
도 7은 유리 라디칼 중합 반응에서 단량체 전환의 시간 경과에 따라 반응 조건을 변경하기 위한 공정 제어기의 견본이 되는 사용을 도시하는 그래픽 디스플레이다.
도 8은 한 쌍의 분자량 동형 반응을 도시하는 그래픽 디스플레이다.
다양한 측면이 도면에 도시된 배열 및 수단에 제한되지 않는 것이 이해되어야 한다.
Claims (31)
- 시간-의존적 공정 동안 모니터링될 하나 이상의 화학 종을 반응기에 도입하는 것;
하나 이상의 검출기를 사용하여, 시간 간격 동안의 하나 이상의 화학 종에 대한 하나 이상의 성질 변화를 검출하는 것;
하나 이상의 검출기로부터, 시간 간격 동안의 하나 이상의 화학 종에 대한 하나 이상의 성질 변화에 관한 연속적 스트림의 데이터를 수용하는 것;
공정 제어기를 사용하여, 수학 함수에 연속적 스트림의 데이터를 피팅(fitting)시켜 미래 시점에서의 하나 이상의 화학 종의 하나 이상의 성질을 예측하는 것; 및
공정 제어기에 의해, 미래 시점에서의 하나 이상의 성질의 예측을 기초로 하여 하나 이상의 공정 결정을 내리는 것
을 포함하는 방법. - 제1항에 있어서, 하나 이상의 공정 결정이 시간-의존적 공정을 종료하는 것, 반응기 내용물을 회수하는 것, 동일한 또는 상이한 반응기에서의 후속 반응 또는 처리 단계로 진행하는 것 중 임의의 하나를 포함하는 것인 방법.
- 제1항에 있어서, 시간-의존적 공정이 화학 반응인 방법.
- 제3항에 있어서, 시간-의존적 공정이 중합 반응인 방법.
- 제4항에 있어서, 함수에 연속적 스트림의 데이터를 피팅시켜 중합 반응의 제1 중합 반응 생성물 및 제2 중합 반응 생성물 간의 등급 전환(changeover)을 예측하는 것을 더 포함하며, 여기서
하나 이상의 검출기 중 하나는 점도계이고;
예측된 등급 전환은 시간 간격 동안 점도계에 의해 검출된 환원 점도 측정치로부터 얻어진 것인 방법. - 제5항에 있어서, 예측된 등급 전환이 환원 점도 측정치로부터 얻어지고 오프라인 무니(Mooney) 점도 측정치에 상관관계가 있는 것인 방법.
- 제4항에 있어서, 하나 이상의 성질 변화가 중합 반응 동안의 형성된 중합체 생성물의 점도에서의 변화를 포함하는 것인 방법.
- 제4항에 있어서, 하나 이상의 성질 변화가 중합 반응 동안의 형성된 중합체 생성물의 분자량에서의 변화를 포함하는 것인 방법.
- 제3항에 있어서, 하나 이상의 화학 종이 화학 반응의 하나 이상의 생성물을 포함하는 것인 방법.
- 제2항에 있어서, 화학 반응이 균질 상, 벌크 상 또는 불균질 상에서의 유리 라디칼 반응; 균질 상, 벌크 상 또는 불균질 상에서의 제어된 라디칼 반응; 균질 상, 벌크 상 또는 불균질 상에서의 단계-성장 반응; 또는 중합 후 관능화 반응 중 임의의 하나를 포함하는 것인 방법.
- 제1항에 있어서, 반응기가 회분식 반응기, 반회분식(semi-batch) 반응기 및 연속식 반응기 중 임의의 하나인 방법.
- 제1항에 있어서, 하나 이상의 검출기가 UV 흡광, 적외선 흡광, 라만(Raman) 산란, 형광, 전도도, 환원 점도, 동적 광산란, 정적 광산란, 미(Mie) 산란, 증발 광산란, 굴절률 검출, 선형 복굴절, 원형 복굴절, 선형 이색성, 원형 이색성, 적외선 검출, NMR 및 편광계 중 임의의 하나 이상을 측정하도록 구성되는 것인 방법.
- 제1항에 있어서,
공정 제어기를 사용하여, 시간-의존적 공정의 하나 이상의 조건을 변경하여 미래 시점에서의 화학 종의 하나 이상의 예측된 성질을 변화시키는 것
을 더 포함하는 방법. - 제13항에 있어서, 하나 이상의 조건이 반응기 압력, 반응기 온도, 반응 스터링(stirring) 속도, 반응 교반(agitation) 속도, 반응물 농도, 시약 농도 또는 반응기로의 시약 유속 중 임의의 하나를 포함하는 것인 방법.
- 제1항에 있어서, 하나 이상의 성질 변화가 하나 이상의 화학 종의 농도, 분자량, 다분산도, 환원 점도, 고유 점도 및 화학적 조성 중 임의의 하나에서의 변화를 포함하는 것인 방법.
- 제15항에 있어서,
잔류 화학 종 농도가 하나 이상의 특정 수준에 도달하기 위해 필요한 시간을 예측하는 것
을 더 포함하는 방법. - 제16항에 있어서,
공정 제어기를 사용하여, 시간-의존적 공정의 하나 이상의 조건을 변경하여 미래 시점에서의 예측된 잔류 화학 종 농도를 변화시키는 것
을 더 포함하는 방법. - 제1항에 있어서, 방법이 중합 반응의 자동 연속 온라인 모니터링 (ACOMP) 시스템을 사용하여 수행되며, ACOMP 시스템은 반응기, 하나 이상의 검출기 및 공정 제어기를 포함하는 것인 방법.
- 시간-의존적 공정의 하나 이상의 화학 종을 함유하기 위한 반응기;
반응기로부터 하나 이상의 화학 종의 양을 자동적으로 및 연속적으로 추출하기 위한 추출 펌프;
하나 이상의 추출된 화학 종의 성질 변화를 측정하고 시간 간격 동안의 하나 이상의 화학 종에 대한 하나 이상의 성질 변화에 관한 연속적 스트림의 데이터를 생성하기 위한 하나 이상의 검출기; 및
수학 함수에 연속적 스트림의 데이터를 피팅시켜 미래 시점에서의 하나 이상의 화학 종의 하나 이상의 성질을 예측하고 미래 시점에서의 하나 이상의 성질의 예측을 기초로 하여 하나 이상의 공정 결정을 내리도록 구성된 공정 제어기
를 포함하는 장치. - 제19항에 있어서, 시간-의존적 공정이 화학 반응인 장치.
- 제20항에 있어서, 시간-의존적 공정이 중합 반응인 장치.
- 제19항에 있어서, 하나 이상의 공정 결정이 시간-의존적 공정을 종료하는 것, 반응기 내용물을 회수하는 것, 동일한 또는 상이한 반응기에서의 후속 반응 또는 처리 단계로 진행하는 것 중 임의의 하나를 포함하는 것인 장치.
- 제19항에 있어서, 공정 제어기가 시간-의존적 공정의 하나 이상의 조건에서의 변화를 유도하여 미래 시점에서의 화학 종의 하나 이상의 예측된 성질을 변화시키도록 추가로 구성되는 것인 장치.
- 제23항에 있어서, 하나 이상의 조건이 반응기 압력, 반응기 온도, 반응 스터링 속도, 반응 교반 속도, 반응물 농도, 시약 농도 또는 시약 유속 중 임의의 하나를 포함하는 것인 장치.
- 제19항에 있어서, 하나 이상의 성질 변화가 하나 이상의 화학 종의 농도에서의 변화를 포함하는 것인 장치.
- 제19항에 있어서, 하나 이상의 성질 변화가 하나 이상의 화학 종의 분자량에서의 변화를 포함하는 것인 장치.
- 제19항에 있어서, 하나 이상의 검출기가 UV 흡광, 적외선 흡광, 라만 산란, 형광, 전도도, 환원 점도, 동적 광산란, 정적 광산란, 미 산란, 증발 광산란, 굴절률 검출, 선형 복굴절, 원형 복굴절, 선형 이색성, 원형 이색성, 적외선 검출, NMR 및 편광계 중 임의의 하나 이상을 측정하도록 구성되는 것인 장치.
- 제19항에 있어서, 하나 이상의 반응기, 추출기 펌프, 하나 이상의 검출기 및 공정 제어기가 중합의 자동 연속 온라인 모니터링 (ACOMP) 시스템에 포함되는 것인 장치.
- 제19항에 있어서, 하나 이상의 추출된 내용물을 희석하고/거나 컨디셔닝하는 수단을 더 포함하는 장치.
- 제29항에 있어서, 하나 이상의 반응기, 추출기 펌프, 하나 이상의 검출기, 공정 제어기 및 희석하고/거나 컨디셔닝하는 수단이 중합의 자동 연속 온라인 모니터링 (ACOMP) 시스템에 포함되는 것인 장치.
- 제19항에 있어서, 반응기가 회분식 반응기, 반회분식 반응기 및 연속식 반응기 중 임의의 하나인 장치.
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| US11492423B2 (en) | 2018-11-05 | 2022-11-08 | Lg Chem, Ltd. | Method for predicting physical properties of polyethylene resin, and production method of polyethylene resin |
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| WO2018045231A1 (en) * | 2016-08-31 | 2018-03-08 | Advanced Polymer Monitoring Technologies, Inc., Dba/Fluence Analytics | Device and methods to actively control the production of multi-stage polymer production |
| GB2553592B (en) * | 2016-09-13 | 2019-03-27 | Catagen Ltd | Test system with recirculating fluid reactor |
| CN110736711A (zh) * | 2019-09-16 | 2020-01-31 | 南京趣酶生物科技有限公司 | R-(+)-3-(二甲基氨基)-1-(2-噻吩基)-1-丙醇制备过程的检测方法 |
| AU2020356546A1 (en) * | 2019-09-24 | 2022-04-07 | T.En Process Technology, Inc. | Methods for operating continuous, unmodulated, multiple catalytic step processes |
| WO2021097281A1 (en) | 2019-11-15 | 2021-05-20 | Lonza Ltd | Process and system for producing an inoculum |
| CN113281311B (zh) * | 2020-02-20 | 2021-11-19 | 北京大学 | 一种大气中有机过氧自由基的在线检测装置及方法 |
| JP2024500073A (ja) | 2020-12-14 | 2024-01-04 | ダウ シリコーンズ コーポレーション | ポリ(ジオルガノ/オルガノハイドロジェン)シロキサンコポリマーを調製するための方法 |
| CN112742333A (zh) * | 2021-02-05 | 2021-05-04 | 内蒙古世杰化工有限公司 | 一种丙炔氟草胺生产用醚化反应装置 |
| WO2022204085A1 (en) * | 2021-03-26 | 2022-09-29 | Space Age Technologies, LLC | Photo-enhanced electro-catalytic (peec) process |
| EP4466093A1 (en) * | 2022-02-26 | 2024-11-27 | Yokogawa Fluence Analytics, Inc. | Oxygen-based control of polymerization reactions |
| WO2024220983A1 (en) * | 2023-04-20 | 2024-10-24 | Crosser Corey | Real-time monitoring and control of decarboxylation reactions |
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| WO2016118507A1 (en) * | 2015-01-22 | 2016-07-28 | Advanced Polymer Monitoring Technologies, Inc. | Systems and methods for predicting and controlling the properties of a chemical species during a time-dependent process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11492423B2 (en) | 2018-11-05 | 2022-11-08 | Lg Chem, Ltd. | Method for predicting physical properties of polyethylene resin, and production method of polyethylene resin |
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| EP3862740A1 (en) | 2021-08-11 |
| WO2016118553A1 (en) | 2016-07-28 |
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| US11585175B2 (en) | 2023-02-21 |
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| WO2016118507A1 (en) | 2016-07-28 |
| US20180328149A1 (en) | 2018-11-15 |
| US20190154588A1 (en) | 2019-05-23 |
| US10620127B2 (en) | 2020-04-14 |
| KR102115137B1 (ko) | 2020-05-25 |
| US20180011024A1 (en) | 2018-01-11 |
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