ES2353894T3 - Procedimiento de transición entre catalizadores a base de ziegler-natta y a base de cromo. - Google Patents
Procedimiento de transición entre catalizadores a base de ziegler-natta y a base de cromo. Download PDFInfo
- Publication number
- ES2353894T3 ES2353894T3 ES05855113T ES05855113T ES2353894T3 ES 2353894 T3 ES2353894 T3 ES 2353894T3 ES 05855113 T ES05855113 T ES 05855113T ES 05855113 T ES05855113 T ES 05855113T ES 2353894 T3 ES2353894 T3 ES 2353894T3
- Authority
- ES
- Spain
- Prior art keywords
- catalyst
- reactor
- polymerization
- transition
- ziegler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63782904P | 2004-12-21 | 2004-12-21 | |
US637829P | 2004-12-21 | ||
US312272 | 2005-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2353894T3 true ES2353894T3 (es) | 2011-03-08 |
Family
ID=38907336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES05855113T Active ES2353894T3 (es) | 2004-12-21 | 2005-12-21 | Procedimiento de transición entre catalizadores a base de ziegler-natta y a base de cromo. |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101080423B (zh) |
ES (1) | ES2353894T3 (zh) |
ZA (1) | ZA200704317B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2012006793A (es) * | 2009-12-18 | 2012-10-05 | Total Petrochemicals Res Feluy | Metodos para remplazar catalizadores de polimerizacion de etileno imcompatibles. |
CN103772544B (zh) * | 2012-10-20 | 2016-06-15 | 中国石油化工股份有限公司 | 气相法聚乙烯钛系与铬系催化剂切换工艺 |
US9914794B2 (en) * | 2014-05-27 | 2018-03-13 | Sabic Global Technologies B.V. | Process for transitioning between incompatible catalysts |
KR20170109548A (ko) * | 2014-12-22 | 2017-09-29 | 사빅 글로벌 테크놀러지스 비.브이. | 비융화성 촉매 간의 전환 방법 |
EA032875B1 (ru) * | 2014-12-22 | 2019-07-31 | Сабик Глоубл Текнолоджиз Б.В. | Способ перехода между несовместимыми катализаторами |
CA3079202A1 (en) * | 2017-10-27 | 2019-05-02 | Univation Technologies, Llc | Selectively transitioning polymerization processes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442019A (en) * | 1994-03-25 | 1995-08-15 | Exxon Chemical Company | Process for transitioning between incompatible polymerization catalysts |
DE19510493A1 (de) * | 1994-03-31 | 1995-10-05 | Marquardt Gmbh | Werkstück aus Kunststoff und Herstellverfahren für ein derartiges Werkstück |
US5672666A (en) * | 1995-06-05 | 1997-09-30 | Exxon Chemical Patents Inc. | Process for transitioning between incompatible polymerization catalysts |
-
2005
- 2005-12-21 CN CN200580043182XA patent/CN101080423B/zh active Active
- 2005-12-21 ES ES05855113T patent/ES2353894T3/es active Active
-
2007
- 2007-05-25 ZA ZA200704317A patent/ZA200704317B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA200704317B (en) | 2009-10-28 |
CN101080423A (zh) | 2007-11-28 |
CN101080423B (zh) | 2011-06-15 |
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