CA2675424A1 - Polypropolyne compositions for the manufacture of microporous membranes - Google Patents
Polypropolyne compositions for the manufacture of microporous membranes Download PDFInfo
- Publication number
- CA2675424A1 CA2675424A1 CA002675424A CA2675424A CA2675424A1 CA 2675424 A1 CA2675424 A1 CA 2675424A1 CA 002675424 A CA002675424 A CA 002675424A CA 2675424 A CA2675424 A CA 2675424A CA 2675424 A1 CA2675424 A1 CA 2675424A1
- Authority
- CA
- Canada
- Prior art keywords
- composition
- molecular weight
- less
- polyethylene
- microporous membrane
- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 239000012528 membrane Substances 0.000 title 1
- 239000000178 monomer Substances 0.000 claims abstract 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract 7
- 230000004927 fusion Effects 0.000 claims abstract 6
- 239000000155 melt Substances 0.000 claims abstract 6
- 238000002844 melting Methods 0.000 claims abstract 6
- 230000008018 melting Effects 0.000 claims abstract 6
- 239000012982 microporous membrane Substances 0.000 claims 9
- 229920000098 polyolefin Polymers 0.000 claims 9
- 239000004698 Polyethylene Substances 0.000 claims 7
- -1 polyethylene Polymers 0.000 claims 7
- 229920000573 polyethylene Polymers 0.000 claims 7
- 125000004432 carbon atom Chemical group C* 0.000 claims 5
- 230000007547 defect Effects 0.000 claims 5
- 238000009826 distribution Methods 0.000 claims 5
- 229920001155 polypropylene Polymers 0.000 claims 4
- 239000002904 solvent Substances 0.000 claims 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 3
- 239000005977 Ethylene Substances 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000004132 cross linking Methods 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 claims 1
- 229920001903 high density polyethylene Polymers 0.000 claims 1
- 239000004700 high-density polyethylene Substances 0.000 claims 1
- 229920001519 homopolymer Polymers 0.000 claims 1
- 230000005865 ionizing radiation Effects 0.000 claims 1
- 229920000092 linear low density polyethylene Polymers 0.000 claims 1
- 239000004707 linear low-density polyethylene Substances 0.000 claims 1
- 229920001684 low density polyethylene Polymers 0.000 claims 1
- 239000004702 low-density polyethylene Substances 0.000 claims 1
- 229920001179 medium density polyethylene Polymers 0.000 claims 1
- 239000004701 medium-density polyethylene Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract 2
Classifications
-
- 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
-
- 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
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/06—Propene
-
- 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
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—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
- C08L23/14—Copolymers of 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
- C08L23/14—Copolymers of propene
- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
-
- 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
- C08F110/02—Ethene
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0853—Ethene vinyl acetate copolymers
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0869—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Cell Separators (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
Abstract
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a heat of fusion of more than about 108 J/g, a melting point of 165°C or higher, a Melt Flow Rate so low that it is essentially not measurable and a molecular weight of greater than about 1.5 x 106. Further disclosed herein are blends or mixtures of the present novel polymer composition and products, such as, for example, microporous film structures and the like comprising same.
Claims (20)
1. A polymeric composition comprising greater than 90 mole % propylene monomer, said composition having an intrinsic viscosity greater than 10 dl/g, a heat of fusion greater than 108 J/g, a melting point of 165°C or greater, a molecular weight greater than 1.5 x 10 6, a molecular weight distribution of from 2.5 to 7, a Melt Flow Rate at 230 °C of less than 0.01 dg/minute, an amount of extractable species of 0.5 wt.% or less based on the weight of the polymeric composition, and stereo defects less than 50 per 10,000 carbon atoms.
2. The polymeric composition of claim 1 having an mmmm pentad fraction of greater than 96 mol% mmmm pentads.
3. The polymeric composition of claims 1 or 2 comprising greater than 99.99 mol%
propylene monomer.
propylene monomer.
4. The polymeric composition of any of claims 1 - 3 having a molecular weight greater than 1.75 x 10 6.
5. The polymeric composition of any of claims 1 - 4 having an intrinsic viscosity greater than 11 dl/g, a heat of fusion greater than 110 J/g, a melting point of 166°C or greater, a molecular weight greater than 1.5 x 10 6, a molecular weight distribution of from 2.5 to 7, a Melt Flow Rate at 230 °C of less than 0.01 dg/minute, and stereo defects less than 40 per 10,000 carbon atoms.
6. The polymeric composition any of claims 1 - 5 comprising greater than 95 mole %
propylene monomer.
propylene monomer.
7. The polymeric composition of claim 5 comprising greater than 99.99 mole %
propylene monomer.
propylene monomer.
8. The polymeric composition of claim 5 having a molecular weight greater than 2.0 x 10 6.
9. The polymeric composition any of claims 1 - 8 and a second polyolefin.
10. A composition comprising polyethylene and a propylene polymer composition comprising greater than 90 mole % propylene monomer, said propylene polymer composition having an intrinsic viscosity greater than 10 dl/g, a heat of fusion greater than 108 J/g, a melting point of 165°C or greater, a molecular weight greater than 1.5 x 10 6, a molecular weight distribution of from 2.5 to 7, a Melt Flow Rate at 230 °C of less than 0.2 dg/minute, and stereo defects less than 50 per 10,000 carbon atoms.
11. The composition of claim 10 wherein the polyethylene comprises a first polyethylene having a molecular weight of 5 x 10 5 or more, a second polyethylene having a molecular weight of 1 x 10 4 or more and less than 5 x 10 5, or both the first and second polyethylenes.
12. The composition of claims 10 or 11, wherein the first polyethylene comprises ultra high molecular weight polyethylene and the second polyethylene comprises at least one of high-density polyethylene, medium-density polyethylene, branched low-density polyethylene, and linear low-density polyethylene.
13. The composition of any of claims 10 - 12 wherein the ultra high molecular weight polyethylene is an ethylene homopolymer or an ethylene/.alpha.-olefin copolymer containing a small amount of an .alpha.-olefin other than ethylene.
14. The composition of any of claims 10 - 13 wherein the propylene polymer composition has an intrinsic viscosity greater than 11 dl/g, a heat of fusion greater than 110 J/g, a melting point of 166°C or greater, a molecular weight greater than 1.5 x 10 6, a molecular weight distribution of from 2.5 to 7, a Melt Flow Rate at 230 °C of less than 0.01 dg/minute, an amount of extractable species of 0.5 wt.% or less based on the weight of the propylene polymer composition, and stereo defects less than 40 per 10,000 carbon atoms.
15. A microporous membrane comprising the composition of any of claims 10 -14.
16. A battery comprising an anode, a cathode, an electrolyte, and the microporous membrane of claim 15, wherein the microporous membrane is located at least between the anode and the cathode.
17. A method for producing a microporous membrane comprising the steps of (1) combining a diluent or solvent and a first polyolefin composition prepare a first polyolefin solution, the first polyolefin composition comprising greater than 90 mole %
propylene monomer and having one or more of the following (a) an intrinsic viscosity greater than 10 dl/g, (b) a heat of fusion greater than 108 J/g, a melting point of 165°C or greater, (c) a molecular weight greater than 1.5 x 10 6, (d) a molecular weight distribution of from 2.5 to 7, (e) a Melt Flow Rate at 230°C of less than 0.01 dg/minute, (f) an amount of extractable species of 0.5 wt.% or less based on the weight of the polyolefin composition, (g) a meso pentad fraction of greater thatn 96 mol% mmmm pentads, and (h) an amount of stereo defects less than 50 per 10,000 carbon atoms;
(3) extruding the first polyolefin solution through at least one die to form an extrudate, (5) removing at east a portion of the membrane-forming solvent from the cooled extrudate or extrudate to form a solvent-removed sheet, and (6) removing any volatile species from the sheet, e.g., by drying, to form the microporous membrane.
propylene monomer and having one or more of the following (a) an intrinsic viscosity greater than 10 dl/g, (b) a heat of fusion greater than 108 J/g, a melting point of 165°C or greater, (c) a molecular weight greater than 1.5 x 10 6, (d) a molecular weight distribution of from 2.5 to 7, (e) a Melt Flow Rate at 230°C of less than 0.01 dg/minute, (f) an amount of extractable species of 0.5 wt.% or less based on the weight of the polyolefin composition, (g) a meso pentad fraction of greater thatn 96 mol% mmmm pentads, and (h) an amount of stereo defects less than 50 per 10,000 carbon atoms;
(3) extruding the first polyolefin solution through at least one die to form an extrudate, (5) removing at east a portion of the membrane-forming solvent from the cooled extrudate or extrudate to form a solvent-removed sheet, and (6) removing any volatile species from the sheet, e.g., by drying, to form the microporous membrane.
18. The method of claim 17, further comprising (7) stretching the microporous membrane after step (6), (8) contacting the microporous membrane with a hot solvent between steps (4) and (7), ment step (8), etc. can be conducted between steps (4) and (5), and after step (6), conducting one or more of (9) stretching the microporous membrane and (10) cross-linking step the microporous membrane using ionizing radiation.
19. The method of claim 17, further comprising (2) combining a second polyolefin composition and a second membrane-forming solvent to prepare a second polyolefin solution, and extruding the second polyolefin solution through at least one die to form a multilayer extrudate
20. The method of claims 17 or 19 further comprising (4) cooling the extrudate to form a cooled extrudate prior to step (5).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88124707P | 2007-01-19 | 2007-01-19 | |
| US60/881,247 | 2007-01-19 | ||
| PCT/US2008/051352 WO2008140835A1 (en) | 2007-01-19 | 2008-01-17 | Polymeric material and its manufacture and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2675424A1 true CA2675424A1 (en) | 2008-11-20 |
| CA2675424C CA2675424C (en) | 2012-04-03 |
Family
ID=37963782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2675424A Active CA2675424C (en) | 2007-01-19 | 2008-01-17 | Polypropolyne compositions for the manufacture of microporous membranes |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2104711A1 (en) |
| JP (1) | JP2010516842A (en) |
| KR (1) | KR101126916B1 (en) |
| CN (1) | CN101641406B (en) |
| CA (1) | CA2675424C (en) |
| TW (1) | TW200904883A (en) |
| WO (1) | WO2008140835A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101630473B1 (en) * | 2009-01-07 | 2016-06-14 | 가부시키가이샤 프라임 폴리머 | Polypropylene resin composition for microporous film formation |
| SG174386A1 (en) * | 2009-03-17 | 2011-10-28 | Prime Polymer Co Ltd | Polypropylene for film capacitor, polypropylene sheet for film capacitor, method for producing the same, and uses of the same |
| CN102355938B (en) | 2009-03-30 | 2014-09-10 | 东丽电池隔膜株式会社 | Microporous membrane and methods of making and using the same |
| CN102414014B (en) | 2009-04-23 | 2015-01-14 | 东丽电池隔膜株式会社 | Thermoplastic film, methods for making such film, and use of such film as battery separator film |
| EP2421699A1 (en) | 2009-04-23 | 2012-02-29 | Toray Tonen Specialty Separator Godo Kaisha | Thermoplastic film, methods for making such film, and the use of such film as battery separator film |
| JP2012530802A (en) | 2009-06-19 | 2012-12-06 | 東レバッテリーセパレータフィルム株式会社 | Microporous membranes, methods for producing such membranes, and use of such membranes as battery separator films |
| US8951677B2 (en) | 2009-06-19 | 2015-02-10 | Toray Battery Separator Film Co., Ltd. | Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film |
| WO2011074696A1 (en) | 2009-12-18 | 2011-06-23 | Toray Tonen Specialty Separator Godo Kaisha | Microporous membranes, methods for making same and their use as battery separator films |
| US9044716B2 (en) | 2010-01-13 | 2015-06-02 | Toray Battery Separator Film Co., Ltd. | Microporous membranes and methods for producing and using such membranes |
| US20110223485A1 (en) | 2010-03-15 | 2011-09-15 | Toray Tonen Specialty Separator Godo Kaisha | Microporous membranes, methods for making these membranes, and the use of these membranes as battery separator films |
| WO2012020671A1 (en) | 2010-08-12 | 2012-02-16 | 東レ東燃機能膜合同会社 | Microporous film, process for production of the film, and use of the film |
| CN102148346B (en) * | 2011-03-11 | 2013-04-24 | 河南义腾新能源科技有限公司 | Polyolefin microporous diaphragm and preparation method thereof |
| CN109810398A (en) * | 2017-11-21 | 2019-05-28 | 中国石油天然气股份有限公司 | A kind of ultra-high molecular weight isotactic polypropylene resin composition and preparation method thereof |
| CN109876362A (en) * | 2019-02-22 | 2019-06-14 | 滁州市超顺装备科技有限公司 | A kind of processing method of crosslinked foaming gymnastics pad |
| CN112724509B (en) * | 2020-12-18 | 2022-08-09 | 金发科技股份有限公司 | Polypropylene composite material and preparation method and application thereof |
| KR102415349B1 (en) * | 2021-11-18 | 2022-07-01 | 대한유화 주식회사 | Method for producing ultra-high molecular weight polypropylene |
| CN117586579B (en) * | 2023-11-29 | 2025-02-25 | 金发科技股份有限公司 | A high temperature creep resistant polypropylene composition and its preparation method and application |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2691023B2 (en) * | 1989-03-20 | 1997-12-17 | 株式会社トクヤマ | Ultra high molecular weight polypropylene and method for producing the same |
| US5430119A (en) * | 1991-06-11 | 1995-07-04 | Mitsui Petrochemical Industries, Ltd. | Stretched molded article of ultra-high-molecular weight polypropylene and process for the preparation of the same |
| JP3070694B2 (en) * | 1991-06-11 | 2000-07-31 | 三井化学株式会社 | Ultra-high molecular weight stretched polypropylene article and method for producing the same |
| JPH06234811A (en) * | 1993-02-10 | 1994-08-23 | Mitsui Petrochem Ind Ltd | Method for producing ultra high molecular weight polyolefin |
| US6214949B1 (en) * | 1993-12-29 | 2001-04-10 | Fina Technology, Inc. | Polymerization of polyolefins having low melt flow and high molecular weight |
| EP0704462B1 (en) * | 1994-04-11 | 1998-12-23 | Mitsui Chemicals, Inc. | Process for producing propylene polymer composition, and propylene polymer composition |
| US5948557A (en) * | 1996-10-18 | 1999-09-07 | Ppg Industries, Inc. | Very thin microporous material |
| US6346350B1 (en) * | 1999-04-20 | 2002-02-12 | Celgard Inc. | Structurally stable fusible battery separators and method of making same |
| JP2001072792A (en) * | 1999-09-06 | 2001-03-21 | Tonen Chem Corp | Microporous polyolefin film and its production |
| CN1239226C (en) * | 2000-01-10 | 2006-02-01 | Lg化学株式会社 | High crystalline polypropylene microporous membrane, multi-component microporous membrane and methods for preparing same |
| JP4823910B2 (en) * | 2004-08-30 | 2011-11-24 | 三井化学株式会社 | Propylene polymer production method |
-
2008
- 2008-01-14 CN CN2008800024795A patent/CN101641406B/en active Active
- 2008-01-17 CA CA2675424A patent/CA2675424C/en active Active
- 2008-01-17 JP JP2009546513A patent/JP2010516842A/en active Pending
- 2008-01-17 EP EP08795784A patent/EP2104711A1/en not_active Ceased
- 2008-01-17 KR KR1020097017189A patent/KR101126916B1/en active Active
- 2008-01-17 WO PCT/US2008/051352 patent/WO2008140835A1/en not_active Ceased
- 2008-01-18 TW TW097102024A patent/TW200904883A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN101641406A (en) | 2010-02-03 |
| KR101126916B1 (en) | 2012-03-21 |
| WO2008140835A1 (en) | 2008-11-20 |
| CA2675424C (en) | 2012-04-03 |
| CN101641406B (en) | 2012-12-26 |
| EP2104711A1 (en) | 2009-09-30 |
| WO2008140835A8 (en) | 2009-08-20 |
| TW200904883A (en) | 2009-02-01 |
| KR20090116745A (en) | 2009-11-11 |
| JP2010516842A (en) | 2010-05-20 |
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