ATE194993T1 - Polymerisationsverfahren - Google Patents

Polymerisationsverfahren

Info

Publication number
ATE194993T1
ATE194993T1 AT95302125T AT95302125T ATE194993T1 AT E194993 T1 ATE194993 T1 AT E194993T1 AT 95302125 T AT95302125 T AT 95302125T AT 95302125 T AT95302125 T AT 95302125T AT E194993 T1 ATE194993 T1 AT E194993T1
Authority
AT
Austria
Prior art keywords
molecular weight
comonomer
mid
copolymers
level
Prior art date
Application number
AT95302125T
Other languages
English (en)
Inventor
Peter James Maddox
David Pratt
John Paul Mcnally
Original Assignee
Bp Chem Int Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB9406855A external-priority patent/GB9406855D0/en
Priority claimed from GB9417364A external-priority patent/GB9417364D0/en
Application filed by Bp Chem Int Ltd filed Critical Bp Chem Int Ltd
Application granted granted Critical
Publication of ATE194993T1 publication Critical patent/ATE194993T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65904—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with another component of C08F4/64
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943—Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
AT95302125T 1994-04-07 1995-03-28 Polymerisationsverfahren ATE194993T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9406855A GB9406855D0 (en) 1994-04-07 1994-04-07 Polymerisation process
GB9417364A GB9417364D0 (en) 1994-08-26 1994-08-26 Polymers and process for their preparation

Publications (1)

Publication Number Publication Date
ATE194993T1 true ATE194993T1 (de) 2000-08-15

Family

ID=26304652

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95302125T ATE194993T1 (de) 1994-04-07 1995-03-28 Polymerisationsverfahren

Country Status (7)

Country Link
US (1) US6410659B1 (de)
EP (1) EP0676418B1 (de)
JP (1) JP3816553B2 (de)
AT (1) ATE194993T1 (de)
CA (1) CA2146208C (de)
DE (1) DE69518104T2 (de)
ES (1) ES2150529T3 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282364B1 (it) * 1996-01-16 1998-03-20 Enichem Spa Catalizzatore metallocenico supportato per la (co) polimerizzazione delle alfa-olefine
IT1282635B1 (it) * 1996-02-16 1998-03-31 Enichem Elastomers Componente catalitico al vanadio e suo utilizzo nella preparazione di ep(d)m
DE19622481A1 (de) * 1996-06-05 1997-12-11 Hoechst Ag Geträgertes Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen
CN1142190C (zh) 1998-08-26 2004-03-17 埃克森化学专利公司 高活性负载型催化剂组合物
GB9917851D0 (en) * 1999-07-29 1999-09-29 Borealis As Process
US6548442B1 (en) * 1999-12-03 2003-04-15 Phillips Petroleum Company Organometal compound catalyst
US6399531B1 (en) 1999-12-28 2002-06-04 Union Carbide Chemicals & Plastics Technology Corporation Hybrid ziegler-natta and cycloalkadienyl catalysts for the production of polyolefins
US6444605B1 (en) 1999-12-28 2002-09-03 Union Carbide Chemicals & Plastics Technology Corporation Mixed metal alkoxide and cycloalkadienyl catalysts for the production of polyolefins
MY137183A (en) * 2001-03-16 2009-01-30 Dow Global Technologies Inc Method of making interpolymers and products made therefrom
EP1397394B1 (de) * 2001-05-07 2012-05-23 Univation Technologies, LLC Polyethylenharze
CA2454521A1 (en) * 2001-07-19 2003-01-30 Univation Technologies, Llc Mixed metallocene catalyst systems containing a poor comonomer incorporator and a good comonomer incorporator
AU2002365866A1 (en) 2001-11-30 2003-06-17 Exxonmobil Chemical Patents Inc. Bimetallic catalysts with higher activity
AU2002365867A1 (en) * 2001-11-30 2003-06-17 Exxonmobil Chemical Patents Inc. Method of making mixed ziegler-natta/metallocene catalysts
US6916892B2 (en) * 2001-12-03 2005-07-12 Fina Technology, Inc. Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
EP1504042A2 (de) 2002-05-06 2005-02-09 Union Carbide Chemicals & Plastics Technology Corporation Mischkatalysatorzusammensetzungen, verfahren zur herstellung von polyolefinen damit
CA2482640A1 (en) * 2002-06-03 2003-12-11 Univation Technologies, Llc Solid, particulated, spray dried, heterogenous catalyst composition
US6896843B2 (en) 2002-08-30 2005-05-24 Kimberly-Clark Worldwide, Inc. Method of making a web which is extensible in at least one direction
US7226880B2 (en) 2002-12-31 2007-06-05 Kimberly-Clark Worldwide, Inc. Breathable, extensible films made with two-component single resins
US6911508B2 (en) * 2003-06-05 2005-06-28 Univation Technologies, Llc Class of metallocenes and method of producing polyethylene
US7220478B2 (en) 2003-08-22 2007-05-22 Kimberly-Clark Worldwide, Inc. Microporous breathable elastic films, methods of making same, and limited use or disposable product applications
US7270723B2 (en) 2003-11-07 2007-09-18 Kimberly-Clark Worldwide, Inc. Microporous breathable elastic film laminates, methods of making same, and limited use or disposable product applications
US7932196B2 (en) 2003-08-22 2011-04-26 Kimberly-Clark Worldwide, Inc. Microporous stretch thinned film/nonwoven laminates and limited use or disposable product applications
US7321015B2 (en) * 2004-12-07 2008-01-22 Nova Chemicals (International) S.A. Adjusting polymer characteristics through process control
AU2006317055A1 (en) 2005-11-23 2007-05-31 Dow Global Technologies Inc. Heterogeneous, compositionally phase separated, ethylene alpha-olefin interpolymers
US7595364B2 (en) * 2005-12-07 2009-09-29 Univation Technologies, Llc High density polyethylene
US7754834B2 (en) 2007-04-12 2010-07-13 Univation Technologies, Llc Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density
WO2011087520A1 (en) 2009-12-22 2011-07-21 Univation Technologies, Llc Catalyst systems having a tailored hydrogen response
KR100976666B1 (ko) * 2008-07-21 2010-08-18 대림산업 주식회사 올레핀 중합 촉매 및 이를 이용한 폴리올레핀 중합체의제조방법
BRPI1010927A2 (pt) 2009-05-14 2016-04-05 Univation Tech Llc sistemas catalisadores de metal misturados que têm uma resposta de hidrogênio sob medida.
US8722819B2 (en) 2010-07-06 2014-05-13 Ticona Gmbh Process for producing high molecular weight polyethylene
KR20130122905A (ko) 2010-07-06 2013-11-11 티코나 게엠베하 고 분자량 폴리에틸렌 섬유 및 막, 그의 제조 방법 및 용도
CN102958959B (zh) 2010-07-06 2015-11-25 提克纳有限公司 产生高分子量聚乙烯的方法
US9034999B2 (en) 2010-07-06 2015-05-19 Ticona Gmbh Process for producing high molecular weight polyethylene
KR101331556B1 (ko) 2012-03-30 2013-11-20 대림산업 주식회사 멀티모달 폴리올레핀 수지 및 이로부터 제조되는 성형체
KR101437509B1 (ko) 2012-12-03 2014-09-03 대림산업 주식회사 성형성 및 기계적 물성이 우수한 멀티모달 폴리올레핀 수지 제조를 위한 촉매 조성물 및 이를 이용한 중합 방법
DE102014009466A1 (de) * 2014-06-30 2015-12-31 Sig Technology Ag Flächenförmiger Verbund mit einer mPolyolefinschicht mit verringertem Antioxidansanteil, insbesondere für Nahrungsmittelverpackungen
WO2016171810A1 (en) 2015-04-20 2016-10-27 Exxonmobil Chemical Patents Inc. Supported catalyst systems and processes for use thereof
KR101800866B1 (ko) 2016-04-26 2017-12-21 대림산업 주식회사 용융강도가 높은 멀티모달 폴리올레핀 수지 및 이로부터 제조되는 성형체
US10723819B2 (en) 2017-02-20 2020-07-28 Exxonmobil Chemical Patents, Inc. Supported catalyst systems and processes for use thereof
KR102271789B1 (ko) 2017-02-20 2021-06-30 엑손모빌 케미칼 패턴츠 인코포레이티드 지지된 촉매 시스템 및 그의 사용 방법
US10844150B2 (en) 2017-08-04 2020-11-24 Exxonmobil Chemical Patents Inc. Mixed catalysts with 2,6-bis(imino)pyridyl iron complexes and bridged hafnocenes
US10913808B2 (en) 2017-08-04 2021-02-09 Exxonmobil Chemical Patents Inc. Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties
US10703838B2 (en) 2017-10-31 2020-07-07 Exxonmobil Chemical Patents Inc. Mixed catalyst systems with four metallocenes on a single support
US10926250B2 (en) 2017-12-01 2021-02-23 Exxonmobil Chemical Patents Inc. Catalyst systems and polymerization processes for using the same
CN111433229B (zh) 2017-12-01 2022-12-13 埃克森美孚化学专利公司 催化剂体系和使用其的聚合方法
US10851187B2 (en) 2018-01-31 2020-12-01 Exxonmobil Chemical Patents Inc. Bridged metallocene catalysts with a pendant group 13 element, catalyst systems containing same, processes for making a polymer product using same, and products made from same
US10865258B2 (en) 2018-01-31 2020-12-15 Exxonmobil Chemical Patents Inc. Mixed catalyst systems containing bridged metallocenes with a pendant group 13 element, processes for making a polymer product using same, and products made from same
KR102013170B1 (ko) 2018-04-05 2019-08-22 대림산업 주식회사 폴리올레핀 수지 조성물 및 이의 제조방법
KR102116476B1 (ko) 2019-01-18 2020-05-28 대림산업 주식회사 폴리올레핀 중합 촉매 조성물, 폴리올레핀의 제조 방법 및 폴리올레핀 수지

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5124418A (en) * 1985-11-15 1992-06-23 Exxon Chemical Patents Inc. Supported polymerization catalyst
US4701432A (en) * 1985-11-15 1987-10-20 Exxon Chemical Patents Inc. Supported polymerization catalyst
US5032562A (en) * 1989-12-27 1991-07-16 Mobil Oil Corporation Catalyst composition and process for polymerizing polymers having multimodal molecular weight distribution
US5145818A (en) * 1989-12-29 1992-09-08 Mitsui Petrochemical Industries, Ltd. Olefin polymerization catalyst and process for the polymerization of olefins
FR2659337B1 (fr) * 1990-03-12 1992-06-05 Bp Chemicals Snc Procede de preparation d'un catalyseur a base de zirconium, de titane et/ou de vanadium supporte sur du chlorure de magnesium, et utilisation du catalyseur dans la polymerisation des olefines.
CA2060019A1 (en) * 1991-03-04 1992-09-05 Phil Marvin Stricklen Process for producing polyolefins having a bimodal molecular weight distribution
CA2077744C (en) * 1991-09-30 2003-04-15 Edwar Shoukri Shamshoum Homogeneous-heterogeneous catalyst system for polyolefins
US5182244A (en) * 1991-12-19 1993-01-26 Phillips Petroleum Company Transition metal/rare earth catalyst and olefin polymerization process
DE69328955T2 (de) * 1992-09-04 2000-11-09 Bp Chemicals Ltd., London Katalysatorzusammensetzungen und Verfahren zur Herstellung von Polyolefinen
US5332706A (en) * 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling

Also Published As

Publication number Publication date
US6410659B1 (en) 2002-06-25
ES2150529T3 (es) 2000-12-01
JP3816553B2 (ja) 2006-08-30
EP0676418A1 (de) 1995-10-11
CA2146208A1 (en) 1995-10-08
EP0676418B1 (de) 2000-07-26
DE69518104D1 (de) 2000-08-31
JPH0841118A (ja) 1996-02-13
CA2146208C (en) 2007-06-19
DE69518104T2 (de) 2000-12-14

Similar Documents

Publication Publication Date Title
ATE194993T1 (de) Polymerisationsverfahren
DE69412576D1 (de) Herstellung von Polyolefinen mit lankettiger Verzweigung nach einem Gasphaseverfahren
IL114196A (en) Ethylene copolymer comprising at least one comonomer
EP0743324A3 (de) Herstellung von Polyethylen unter Verwendung eines stereoisomeren Metallocens
RU94033101A (ru) Способ получения полимеров этилена и продукты, полученные из них
MY108973A (en) Polyethylene copolymer and polymerization process
YU10289A (en) Process for producing polymers and copolymers of ethylene
RU98122612A (ru) Полиолефиновая композиция с максимумом молекулярной массы у той части композиции, которая имеет наивысшее содержание сомономера
GR3033857T3 (en) Arylazo chromoionophores.
KR900004782A (ko) 에틸렌과 고급 알파-올레핀의 공중합체 및 그의 제조방법
ATE290025T1 (de) Herstellung von äthylen/buten copolymeren mit einem einzigen metallocen-katalysator und einem einzigen monomer
DE59508140D1 (de) Verfahren zur herstellung eines trägerkatalysators für die polymerisation von ethylen und copolymerisation von ethylen mit alpha-olefinen
ZA906017B (en) Catalyst and process for the polymerization and copolymerization of alpha-olefins
KR970033038A (ko) 알파-올레핀의 중합용 촉매
MY105053A (en) Catalyst for regulating the molecular weight distribution of ethylene polymers
KR960035666A (ko) 트리 내성 케이블
BR9907069A (pt) Processo para a polimerização de pelo menos uma ou mais olefinas, e para o estreitamento da distribuição do peso molecular de um polìmero compreendendo pelo menos uma ou mais olefinas, copolìmeros de etileno e 1-hexeno, de etileno e uma olefina tendo 3 a 16 átomos de carbono, e de etileno e pelo menos uma ou mais olefinas tendo 5 a 16 átomos de carbono, filme, e, artigo
IT1282666B1 (it) Catalizzatore metallocenico sostituito per la (co) polimerizzazione delle olefine
ATE324389T1 (de) Zweistufen-polymerisationsverfahren
KR920701275A (ko) 프로필렌 및 올레핀의 신디오택틱 공중합체
YU5093A (sh) Postupak polimerizacije linearnog, vrlo niske gustine polietilena i proizvodi istog

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner