WO1994013713A1 - Propylen-homopolymere - Google Patents
Propylen-homopolymere Download PDFInfo
- Publication number
- WO1994013713A1 WO1994013713A1 PCT/EP1993/003397 EP9303397W WO9413713A1 WO 1994013713 A1 WO1994013713 A1 WO 1994013713A1 EP 9303397 W EP9303397 W EP 9303397W WO 9413713 A1 WO9413713 A1 WO 9413713A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- propylene homopolymers
- alkyl
- cio
- aryl
- cis
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08F4/65927—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 bridged
Definitions
- the present invention relates to propylene homopolymers with a melting point below 155 ° C, xylene-soluble proportions below
- the invention relates to processes for the production of such propylene homopolymers, their use for the production of fibers, films and moldings and the fibers, films and moldings obtainable here.
- Highly isotactic, highly crystalline propylene homopolymers are characterized by a melting point of approx. 163 ° C and low xylene-soluble components combined with high rigidity.
- flexible products with reduced crystallinity are required in particular for applications in the film sector.
- the propylene homopolymers according to the invention have a melting point below 155 ° C., preferably below 150 ° C., xylene-soluble fractions below 5% by weight, preferably below 2% by weight, and a molecular weight distribution of less than 3.
- the molecular weight distribution is the ratio of ⁇ _ w : M n , where M w is the weight average and M n is the number average.
- the propylene homopolymers according to the invention are obtainable by polymerizing propylene at temperatures in the range from 0 to 100 ° C. and pressures in the range from 1 to 300 bar in the presence of catalyst systems which, as active constituents, contain metallocene complexes of metals of IV and V. Subgroup of the periodic table and oligomeric aluminum oxide compounds.
- the polymerization of propylene can be carried out in solution, in emulsion, in suspension, in bulk or in the gas phase.
- Gas phase polymerization is particularly preferred, in particular at temperatures in the range from 30 to 100 ° C., preferably 50 to 90 ° C., and pressures in the range from 7 to 40 bar, preferably 15 to 35 bar.
- the catalyst systems used for the preparation of the propylene homopolymers according to the invention contain, among other things, metallocene complexes of metals from subgroups IV and V of the periodic table, in particular titanium, zirconium, hafnium, vanadium, niobium or tantalum, as active constituents.
- Complex compounds are preferably used in which the metal atom is connected via ⁇ bonds to unsaturated cyclic hydrocarbon radicals, for example cyclopentadienyl, fluorenyl or indenyl groups.
- the complex compounds which are preferably used are characterized in that the metal atom is combined with further ligands, in particular with fluorine, chlorine, bromine and iodine or a C ** .
- - Cio-Al yl for example a methyl, ethyl, propyl or butyl group, can be linked.
- substituents have the following meaning: M titanium, zirconium, hafnium, vanadium, niobium or tantalum,
- R 5 is Ci to Cio-alkyl, & to Cis-aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoroaryl each having 1 to 10 C atoms in the alkyl radical and 6 to 20 C atoms in the aryl radical,
- Ci to Cio-alkyl 5- to 7-membered cycloalkyl, which in turn can carry Ci- to Cio-alkyl as a substituent, C ⁇ - to cis-aryl or arylalkyl, optionally also two adjacent radicals together for 4 to Cyclic saturated, partially saturated or unsaturated groups having 15 carbon atoms, or Si (R 10 ) 3 with
- Rl l R 13 stands for R 1: L R 12 ZII or C - C -,
- Z is silicon, germanium, tin or carbon
- R 11 ,!. 12 ,] * 13 ,!. 14 hydrogen, Ci- to Cio-alkyl, C 3 - to Cio-cycloalkyl or C ⁇ - to cis-aryl, where optionally two adjacent radicals together can represent cyclic groups having 4 to 15 carbon atoms.
- R 1 and R 6 are the same and represent hydrogen or Ci to Cio alkyl groups, are the same - and for hydrogen, a methyl, ethyl, iso-propyl or tert. -Butyl group,
- R 3 and R 8 are R 3 and R 8 Ci to C 4 alkyl
- R 2 and R 7 are hydrogen or two adjacent radicals R 2 and R 3 as well as R 7 and R 8 together for 4 to 12 C atoms are cyclic Groups stand,
- RH, Rl, Rl and R 14 for hydrogen or Ci- to Cs-alkyl
- Examples of particularly suitable complex compounds include Dimethylsilanediylbis (cyclopentadienyl) zirconium dichloride,
- Ethylenebis (-2-methylbenzindenyl) hafnium dichloride dimethylethylene-9-fluorenylcyclopentadienylzirconium dichloride,
- Dimethylsilanediylbis (-2-ethyl-5-isopropylcyclopentadienyl) zirconium dichloride, dimethylsilanediylbis (-2-methylbenzindenyl) zirconium dichloride, and
- Dimethylsilanediylbis (-2-methylindenyl) hafnium dichloride Such complex compounds can be synthesized by methods known per se, the reaction of the appropriately substituted cyclic hydrocarbon anions with halides of titanium, zirconium, hafnium, vanadium, niobium or tantalum being preferred. Examples of corresponding production processes are described, inter alia, in the Journal of Organometallic Chemistry, 369 (1989), 359-370.
- the metallocene complexes can also be present in cationic form, as described in EP-A 277 003 and EP-A 277 004. Furthermore, ⁇ -oxo-bis- (chlorobiscyclopentadienyl) zirconium can also be used as the metallocene complex.
- the catalyst systems used to prepare the propylene homopolymers according to the invention also contain oligomeric aluminum oxide compounds.
- oligomeric aluminum oxide compounds For example, open-chain or cyclic alumoxane compounds of the general formulas II or III are suitable
- R 15 is a C 1 -C 4 -alkyl group, preferably methyl or ethyl group and m is an integer from 5 to 30, preferably 10 to 25.
- oligomeric alumoxane compounds are usually prepared by reacting a solution of trialkylaluminum with water and include in EP-A 284 708 and US-A 4 794 096.
- the oligomeric alumoxane compounds obtained are mixtures of different lengths, both linear and cyclic chain molecules, so that m is to be regarded as the mean.
- the alumoxane compounds can also be present in a mixture with other metal alkyls, preferably with aluminum alkyls. It has proven to be advantageous to use the complex compound of metals of subgroup IV and V of the periodic table and the oligomeric alumoxane compound in amounts such that the atomic ratio between aluminum from the oligomeric alumoxane compound and the transition metal from the complex compound of metals the IV. and V. subgroup of the periodic table is in the range from 10: 1 to 10 6 : 1, in particular in the range from 10: 1 to 10 4 : 1.
- aromatic hydrocarbons are used as solvents for these catalyst systems, preferably with 6 to 20 carbon atoms, in particular xylenes and toluene, and mixtures thereof.
- Suitable carrier materials are, for example, silica gels, preferably those of the formula Si0 2 • a A10 3 , in which a stands for a number in the range from 0 to 2, preferably 0 to 0.5; So these are aluminosilicates or silicon dioxide.
- the carriers preferably have a particle diameter in the range from 1 to 200 ⁇ m, in particular from 30 to 80 ⁇ m.
- Silica Gel 332 from Grace.
- the support material for the catalyst is first prepared, then the supported catalyst complex is prepared and then the polymerization.
- the procedure is preferably such that the metallocene complex of the general formula I is mixed with solvent, in particular with
- oligomeric alumoxane compounds of the general formulas II or III preferably methylalumoxane
- the solvent used being in particular that which was also used in the metallocene complex, ie preferably toluene.
- the support material is then added, the weight ratio of catalyst to support material being 10: 1 to 1000: 1, preferably 100: 1 to 500: 1.
- the solvent is then removed and a catalyst powder is obtained.
- the actual polymerization is preferably carried out in the gas phase, usually propylene semolina is initially introduced in an autoclave and trialkylaluminum, preferably triethylaluminum, which serves as cocatalyst, is added.
- the weight ratio of polypropylene grit to trialkyl aluminum is generally 10: 1 to 10000: 1, preferably 20: 1 to 200: 1.
- 30% by weight, based on the amount of trialkyl aluminum, of supported catalyst is added, the mixture is heated to temperatures of up to 100 ° C., preferably 70 ° C., and the internal pressure is increased to 50 bar by supplying propylene , preferably to 28 bar.
- the autoclave is depressurized and a propylene homopolymer is obtained which is not extruded and has a low melting point, low xylene-soluble fractions and a narrow molecular weight distribution without prior degradation.
- the propylene homopolymers according to the invention show very good processability with good usability at the same time.
- the melting points were determined by means of DSC measurements (10 ° C./min heating rate).
- the weight average values M w and the 20 number average values M n were determined by gel permeation chromatography.
- the xyloid components were determined as follows:
- the xylene-soluble portion results from g x 500 x 100
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6513745A JPH08504457A (ja) | 1992-12-16 | 1993-12-03 | プロピレン単独重合体 |
EP94901952A EP0674668B1 (de) | 1992-12-16 | 1993-12-03 | Propylen-homopolymere |
DE59307181T DE59307181D1 (de) | 1992-12-16 | 1993-12-03 | Propylen-homopolymere |
KR1019950702447A KR100289453B1 (ko) | 1992-12-16 | 1993-12-03 | 프로필렌 단독중합체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4242486A DE4242486A1 (de) | 1992-12-16 | 1992-12-16 | Propylen-Homopolymere |
DEP4242486.0 | 1992-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994013713A1 true WO1994013713A1 (de) | 1994-06-23 |
Family
ID=6475444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/003397 WO1994013713A1 (de) | 1992-12-16 | 1993-12-03 | Propylen-homopolymere |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0674668B1 (de) |
JP (1) | JPH08504457A (de) |
KR (1) | KR100289453B1 (de) |
DE (2) | DE4242486A1 (de) |
ES (1) | ES2105606T3 (de) |
WO (1) | WO1994013713A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997019980A1 (de) * | 1995-11-30 | 1997-06-05 | Basf Aktiengesellschaft | Biaxial orientierte polypropylenfolie aus metallocen-polypropylen |
EP0905290A2 (de) * | 1997-09-24 | 1999-03-31 | Fina Technology, Inc. | Polypropylenfasern |
CN1096470C (zh) * | 1994-10-13 | 2002-12-18 | 埃克森美孚化学专利公司 | 聚合催化剂体系、它们的制备及用途 |
US7816456B2 (en) | 1999-12-21 | 2010-10-19 | Basell Polyolefine Gmbh | Semicrystalline propylene polymer composition for producing biaxially stretched polypropylene films |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08198913A (ja) * | 1995-01-26 | 1996-08-06 | Sumitomo Chem Co Ltd | ポリプロピレンフイルム |
EP0745638A1 (de) * | 1995-05-31 | 1996-12-04 | Hoechst Aktiengesellschaft | Biaxial orientierte Polypropylenfolie mit verbessertem Weiterreisswiderstand |
ES2150616T3 (es) * | 1995-05-31 | 2000-12-01 | Hoechst Ag | Lamina de polipropileno biaxialmente orientada con una estabilidad dimensional mejorada. |
EP0745637A1 (de) * | 1995-05-31 | 1996-12-04 | Hoechst Aktiengesellschaft | Biaxial orientierte Polypropylenfolie mit hohem Flächenmodul |
EP0747212A1 (de) * | 1995-05-31 | 1996-12-11 | Hoechst Aktiengesellschaft | Biaxial orientierte Polypropylenfolie mit verbesserten Eigenschaften hinsichtlich Wasserdampf- und Sauerstoffbarriere |
ES2150615T3 (es) * | 1995-05-31 | 2000-12-01 | Hoechst Ag | Lamina de polipropileno biaxialmente orientada con propiedades mejoradas referente a la mecanica y la barrera. |
EP0745639A1 (de) * | 1995-05-31 | 1996-12-04 | Hoechst Aktiengesellschaft | Biaxial orientierte Polypropylenfolie mit guten optischen Eigenschaften |
EP0745477A1 (de) * | 1995-05-31 | 1996-12-04 | Hoechst Aktiengesellschaft | Biaxial orientierte Polypropylenfolie mit verbessertem Migrationswiderstand |
FI104825B (fi) | 1996-01-26 | 2000-04-14 | Borealis As | Olefiinien polymerointikatalysaattorisysteemi, sen valmistus ja käyttö |
JPH10182899A (ja) * | 1996-12-27 | 1998-07-07 | Mitsui Chem Inc | ポリプロピレン製二軸延伸フィルム |
DE19710761A1 (de) * | 1997-03-14 | 1998-09-17 | Basf Ag | Hochkristalline Propylenhomopolymerisate |
US7022795B1 (en) | 1998-03-13 | 2006-04-04 | Novolen Technology Holdings, C.V. | Highly crystalline propylene homopolymers |
US7402638B2 (en) | 2003-08-22 | 2008-07-22 | Mitsui Chemicals, Inc. | Propylene polymer particle method of producing the same and use thereof |
CN105980421B (zh) | 2014-12-04 | 2018-04-27 | 株式会社Lg化学 | 未经拉伸的基于聚丙烯的膜 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0497590A2 (de) * | 1991-02-01 | 1992-08-05 | Mitsubishi Chemical Corporation | Hochkristallines Polypropylen zur Filmherstellung |
EP0518092A2 (de) * | 1991-06-12 | 1992-12-16 | BASF Aktiengesellschaft | Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen |
EP0553491A1 (de) * | 1991-12-27 | 1993-08-04 | Tosoh Corporation | Katalysator für Olefinpolymerisation und Verfahren zur Herstellung von Olefinpolymeren |
-
1992
- 1992-12-16 DE DE4242486A patent/DE4242486A1/de not_active Withdrawn
-
1993
- 1993-12-03 WO PCT/EP1993/003397 patent/WO1994013713A1/de not_active Application Discontinuation
- 1993-12-03 KR KR1019950702447A patent/KR100289453B1/ko not_active IP Right Cessation
- 1993-12-03 ES ES94901952T patent/ES2105606T3/es not_active Expired - Lifetime
- 1993-12-03 DE DE59307181T patent/DE59307181D1/de not_active Revoked
- 1993-12-03 JP JP6513745A patent/JPH08504457A/ja active Pending
- 1993-12-03 EP EP94901952A patent/EP0674668B1/de not_active Revoked
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0497590A2 (de) * | 1991-02-01 | 1992-08-05 | Mitsubishi Chemical Corporation | Hochkristallines Polypropylen zur Filmherstellung |
EP0518092A2 (de) * | 1991-06-12 | 1992-12-16 | BASF Aktiengesellschaft | Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen |
EP0553491A1 (de) * | 1991-12-27 | 1993-08-04 | Tosoh Corporation | Katalysator für Olefinpolymerisation und Verfahren zur Herstellung von Olefinpolymeren |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1096470C (zh) * | 1994-10-13 | 2002-12-18 | 埃克森美孚化学专利公司 | 聚合催化剂体系、它们的制备及用途 |
WO1997019980A1 (de) * | 1995-11-30 | 1997-06-05 | Basf Aktiengesellschaft | Biaxial orientierte polypropylenfolie aus metallocen-polypropylen |
EP0905290A2 (de) * | 1997-09-24 | 1999-03-31 | Fina Technology, Inc. | Polypropylenfasern |
EP0905290A3 (de) * | 1997-09-24 | 1999-09-29 | Fina Technology, Inc. | Polypropylenfasern |
US6146758A (en) * | 1997-09-24 | 2000-11-14 | Fina Technology, Inc. | Polypropylene fibers |
US7816456B2 (en) | 1999-12-21 | 2010-10-19 | Basell Polyolefine Gmbh | Semicrystalline propylene polymer composition for producing biaxially stretched polypropylene films |
Also Published As
Publication number | Publication date |
---|---|
KR950704374A (ko) | 1995-11-20 |
DE4242486A1 (de) | 1994-06-23 |
KR100289453B1 (ko) | 2001-05-02 |
ES2105606T3 (es) | 1997-10-16 |
EP0674668A1 (de) | 1995-10-04 |
JPH08504457A (ja) | 1996-05-14 |
EP0674668B1 (de) | 1997-08-20 |
DE59307181D1 (de) | 1997-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0703932B1 (de) | Mehrphasige blockcopolymerisate des propylens | |
EP0692499B1 (de) | Polyalk-1-ene mit hohen Molmassen | |
WO1994013713A1 (de) | Propylen-homopolymere | |
EP0670325B1 (de) | Metallocenkomplexe mit heterofunktionellen Gruppen am Cyclopentadienylsystem | |
EP0518092B1 (de) | Isolierbares, geträgertes Katalysatorsystem zur Polymerisation von C2-bis C10-Alk-1-enen | |
EP0643100B1 (de) | Kälteschlagzähe Zusammensetzung aus semicrystallinen Propylen-Homopolymeren | |
EP0645403A1 (de) | Verfahren zur Herstellung von ultrahochmolekularem Polyethylen mit hoher Schüttdichte | |
EP0321851A1 (de) | Polyethylenwachs und Verfahren zu seiner Herstellung | |
EP0643084B1 (de) | Verfahren zur Herstellung von mehrphasigen Homo- oder Copolymerisaten von C2-C10-Alk-1-enen in einer Reaktionszone | |
EP0670336B1 (de) | Geträgerte Metallocenkomplexe mit heterofunktionellen Gruppen am Cyclopentadienylsystem als Katalysatorsysteme | |
EP0545140B1 (de) | Ethylen-Copolymerisate niederer Dichte | |
EP0625995B1 (de) | Katalysatorsysteme zur polymerisation von c 2- bis c 10-alkenen | |
DE4139262A1 (de) | Getraegerte katalysatorsysteme zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alkenen | |
EP0737213B1 (de) | Verfahren zur herstellung von polymerisaten des ethylens durch suspensionspolymerisation | |
EP0650981B1 (de) | Verfahren zur Herstellung von Polymerisaten von C2-bis C10-Alk-1-enen unter Verwendung von racemischen Metallocenkomplexen als Katalysatoren | |
EP0700406B1 (de) | Statistische copolymerisate des propylens | |
WO1993006145A1 (de) | Verfahren zur herstellung von mehrphasigen blockcopolymerisaten auf der basis von alk-1-enen | |
WO1997027227A1 (de) | Verfahren zur herstellung von polymerisaten von c2- bis c10-alkenen in gegenwart von metallocenkomplexen mit kationisch funktionalisierten cyclopentadienylliganden | |
DE2329087C3 (de) | Katalysatorsystem für die Polymerisation oder Copolymerisation von Äthylen, Verfahren zur Herstellung des Katalysators und Verwendung desselben | |
EP0643729A1 (de) | Katalysatorsysteme zur polymerisation von c 2?- bis c 10?-alk-1-enen. | |
EP0811010B1 (de) | Metallocenkomplexe mit kationischer brücke | |
DE4425787A1 (de) | Verfahren zur Herstellung von kammartigen Polypropylenen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1994901952 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 1995 428074 Country of ref document: US Date of ref document: 19950426 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019950702447 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1994901952 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1994901952 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1994901952 Country of ref document: EP |