AU597241B2 - Polypropylene with free-end long chain branching, process for making it, and use thereof - Google Patents
Polypropylene with free-end long chain branching, process for making it, and use thereof Download PDFInfo
- Publication number
- AU597241B2 AU597241B2 AU52843/86A AU5284386A AU597241B2 AU 597241 B2 AU597241 B2 AU 597241B2 AU 52843/86 A AU52843/86 A AU 52843/86A AU 5284386 A AU5284386 A AU 5284386A AU 597241 B2 AU597241 B2 AU 597241B2
- Authority
- AU
- Australia
- Prior art keywords
- polypropylene
- free
- viscosity
- gel
- branching index
- 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.)
- Expired
Links
- 229920001155 polypropylene Polymers 0.000 title claims description 207
- -1 Polypropylene Polymers 0.000 title claims description 202
- 239000004743 Polypropylene Substances 0.000 title claims description 197
- 238000000034 method Methods 0.000 title claims description 43
- 230000008569 process Effects 0.000 title description 30
- 239000000203 mixture Substances 0.000 claims description 53
- 238000005482 strain hardening Methods 0.000 claims description 28
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 16
- 238000007765 extrusion coating Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000010128 melt processing Methods 0.000 claims description 8
- 230000000052 comparative effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 description 32
- 229920000642 polymer Polymers 0.000 description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- 239000001301 oxygen Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 18
- 239000000463 material Substances 0.000 description 16
- 150000003254 radicals Chemical class 0.000 description 15
- 230000005855 radiation Effects 0.000 description 14
- 230000005865 ionizing radiation Effects 0.000 description 13
- 239000000155 melt Substances 0.000 description 13
- 239000002530 phenolic antioxidant Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 239000008199 coating composition Substances 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 239000003963 antioxidant agent Substances 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 238000003856 thermoforming Methods 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 4
- 239000008116 calcium stearate Substances 0.000 description 4
- 235000013539 calcium stearate Nutrition 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000003264 margarine Substances 0.000 description 4
- 235000013310 margarine Nutrition 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000006653 Ziegler-Natta catalysis Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001374 small-angle light scattering Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- PIRWNASAJNPKHT-SHZATDIYSA-N pamp Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(N)=N)C(N)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CO)NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](C)N)C(C)C)C1=CC=CC=C1 PIRWNASAJNPKHT-SHZATDIYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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
- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69679985A | 1985-01-31 | 1985-01-31 | |
| US696799 | 1985-01-31 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU52158/90A Division AU616106B2 (en) | 1985-01-31 | 1990-03-22 | Process for making polypropylene with strain hardening elongational viscosity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU5284386A AU5284386A (en) | 1986-08-07 |
| AU597241B2 true AU597241B2 (en) | 1990-05-31 |
Family
ID=24798598
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU52843/86A Expired AU597241B2 (en) | 1985-01-31 | 1986-01-30 | Polypropylene with free-end long chain branching, process for making it, and use thereof |
| AU52158/90A Expired AU616106B2 (en) | 1985-01-31 | 1990-03-22 | Process for making polypropylene with strain hardening elongational viscosity |
| AU79428/91A Abandoned AU7942891A (en) | 1985-01-31 | 1991-06-28 | Process for making polypropylene with strain hardening elongational viscosity |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU52158/90A Expired AU616106B2 (en) | 1985-01-31 | 1990-03-22 | Process for making polypropylene with strain hardening elongational viscosity |
| AU79428/91A Abandoned AU7942891A (en) | 1985-01-31 | 1991-06-28 | Process for making polypropylene with strain hardening elongational viscosity |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4916198A (cg-RX-API-DMAC10.html) |
| JP (1) | JPH0745551B2 (cg-RX-API-DMAC10.html) |
| CN (1) | CN1030199C (cg-RX-API-DMAC10.html) |
| AU (3) | AU597241B2 (cg-RX-API-DMAC10.html) |
| BR (1) | BR8600413A (cg-RX-API-DMAC10.html) |
| IN (1) | IN166935B (cg-RX-API-DMAC10.html) |
| RU (1) | RU2031906C1 (cg-RX-API-DMAC10.html) |
| ZA (1) | ZA86528B (cg-RX-API-DMAC10.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU616106B2 (en) * | 1985-01-31 | 1991-10-17 | Montell North America Inc. | Process for making polypropylene with strain hardening elongational viscosity |
| AU620880B2 (en) * | 1988-07-22 | 1992-02-27 | Himont Incorporated | Thermal treatment of irradiated polypropylene |
Families Citing this family (183)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116881A (en) * | 1990-03-14 | 1992-05-26 | James River Corporation Of Virginia | Polypropylene foam sheets |
| US5200439A (en) * | 1990-04-13 | 1993-04-06 | Mitsui Toatsu Chemicals, Inc. | Method for increasing intrinsic viscosity of syndiotactic polypropylene |
| US5508319A (en) * | 1991-06-21 | 1996-04-16 | Montell North America Inc. | High melt strength, ethylene polymer, process for making it, and use thereof |
| FI922879A7 (fi) * | 1991-06-21 | 1992-12-22 | Himont Inc | Etenpolymer med hoeg smaelthaollfasthet, foerfarande foer dess framstaellning och dess anvaendning |
| US5439949A (en) * | 1991-08-21 | 1995-08-08 | Rexene Corporation | Propylene compositions with improved resistance to thermoforming sag |
| IT1255364B (it) * | 1992-09-15 | 1995-10-31 | Himont Inc | Processo per la preparazione di manufatti in polipropilene espanso mediante produzione di granuli pre-espansi e termoformatura per sinterizzazione degli stessi |
| JP2582745B2 (ja) * | 1993-01-11 | 1997-02-19 | 池田物産株式会社 | ポリプロピレン発泡体および内装材 |
| US5368919A (en) * | 1993-05-20 | 1994-11-29 | Himont Incorporated | Propylene polymer compositions containing high melt strength propylene polymer material |
| US5414049A (en) | 1993-06-01 | 1995-05-09 | Howmedica Inc. | Non-oxidizing polymeric medical implant |
| AT403581B (de) * | 1993-06-07 | 1998-03-25 | Danubia Petrochem Polymere | Verfahren zur herstellung von neuen polypropylenen durch chemische degradierung |
| DE4321529A1 (de) * | 1993-06-29 | 1995-01-12 | Danubia Petrochem Deutschland | Neue, durch chemische Degradierung erhältliche Polypropylene |
| US5508318A (en) * | 1993-07-15 | 1996-04-16 | Montell North America Inc. | Compositions of irradiated and non-irradiated olefin polymer materials with reduced gloss |
| US5414027A (en) * | 1993-07-15 | 1995-05-09 | Himont Incorporated | High melt strength, propylene polymer, process for making it, and use thereof |
| JP2793482B2 (ja) * | 1993-10-13 | 1998-09-03 | 昭和電工株式会社 | ポリオレフィン系樹脂組成物およびその成形体 |
| EP0663621B1 (en) * | 1993-12-24 | 2000-08-30 | Canon Kabushiki Kaisha | Toner for developing electrostatic image, image forming method and process-cartridge |
| JP3171422B2 (ja) * | 1994-04-20 | 2001-05-28 | 日本原子力研究所 | 改質ポリプロピレンを製造する方法および成形品 |
| IT1269822B (it) | 1994-05-24 | 1997-04-15 | Pirelli Cavi Spa | Cavo per alte tensioni |
| JP3362080B2 (ja) | 1994-09-07 | 2003-01-07 | 昭和電工株式会社 | ポリプロピレン樹脂組成物および軟質シート |
| CA2166450C (en) * | 1995-01-20 | 2008-03-25 | Ronald Salovey | Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints |
| JPH08269262A (ja) * | 1995-03-30 | 1996-10-15 | Showa Denko Kk | ポリプロピレン系樹脂組成物 |
| IT1274503B (it) * | 1995-05-15 | 1997-07-17 | Montell North America Inc | Fibre poliolefiniche ad elevata tenacita' |
| US5670595A (en) * | 1995-08-28 | 1997-09-23 | Exxon Chemical Patents Inc. | Diene modified polymers |
| DE19544858C2 (de) * | 1995-10-02 | 1998-09-10 | Silver Plastics Gmbh & Co Kg | Verfahren zum Herstellen einer thermogeformten Verpackung |
| IT1277013B1 (it) * | 1995-12-01 | 1997-11-04 | Montell Technology Company Bv | Composizioni poliolefiniche e film soffiati da esse ottenuti |
| IT1277014B1 (it) * | 1995-12-01 | 1997-11-04 | Montell Technology Company Bv | Composizioni poliolefiniche e film soffiati da esse ottenuti |
| US8563623B2 (en) * | 1996-02-13 | 2013-10-22 | The General Hospital Corporation | Radiation melt treated ultra high molecular weight polyethylene prosthetic devices |
| US8865788B2 (en) * | 1996-02-13 | 2014-10-21 | The General Hospital Corporation | Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices |
| DE19607480A1 (de) * | 1996-02-28 | 1997-09-04 | Danubia Petrochem Polymere | Kontinuierliches Verfahren zur Herstellung von Polypropylengemischen erhöhter Spannungsrißbeständigkeit und Schmelzefestigkeit |
| US5820981A (en) * | 1996-04-02 | 1998-10-13 | Montell North America Inc. | Radiation visbroken polypropylene and fibers made therefrom |
| FR2750348B1 (fr) * | 1996-06-28 | 1998-08-21 | Conte | Procede pour augmenter l'anti-mouillabilite d'un corps, corps ainsi traite et ses applications |
| JP2000514481A (ja) | 1996-07-09 | 2000-10-31 | ザ オーソピーディック ホスピタル | 放射線及び熱処理を用いた低摩耗ポリエチレンの架橋 |
| TW513442B (en) | 1997-06-06 | 2002-12-11 | Idemitsu Petrochemical Co | Olefinic polymer |
| US6197910B1 (en) | 1997-12-10 | 2001-03-06 | Exxon Chemical Patents, Inc. | Propylene polymers incorporating macromers |
| US6184327B1 (en) | 1997-12-10 | 2001-02-06 | Exxon Chemical Patents, Inc. | Elastomeric propylene polymers |
| US6060533A (en) * | 1998-01-09 | 2000-05-09 | Montell North America Inc. | Process for making foam articles having good low temperature toughness from high melt strength propyline polymer materials |
| US6720362B1 (en) * | 1998-09-17 | 2004-04-13 | The Dow Chemical Company | Perforated foams |
| US6593004B1 (en) * | 1998-10-14 | 2003-07-15 | Union Carbide Chemicals & Plastics Technology Corporation | Extrusion coating composition |
| US6630231B2 (en) | 1999-02-05 | 2003-10-07 | 3M Innovative Properties Company | Composite articles reinforced with highly oriented microfibers |
| US6110588A (en) | 1999-02-05 | 2000-08-29 | 3M Innovative Properties Company | Microfibers and method of making |
| EP1038893A1 (en) * | 1999-03-19 | 2000-09-27 | Fina Research S.A. | Production of polypropylene having improved properties |
| US6225411B1 (en) | 1999-04-19 | 2001-05-01 | Montell Technology Company Bv | Soft propylene polymer blend with high melt strength |
| EP1263873B1 (en) * | 1999-06-24 | 2005-01-12 | The Dow Chemical Company | Polyolefin composition with improved impact properties |
| US6541105B1 (en) | 1999-09-16 | 2003-04-01 | Dow Global Technologies Inc. | Acoustical open-cell polylefins and process for making |
| ATE344969T1 (de) * | 1999-12-20 | 2006-11-15 | Prysmian Cavi Sistemi Energia | Wasserdichtes elektrisches kabel |
| JP2001184627A (ja) * | 1999-12-28 | 2001-07-06 | Hitachi Maxell Ltd | 磁気記録媒体 |
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- 1986-01-23 ZA ZA86528A patent/ZA86528B/xx unknown
- 1986-01-30 AU AU52843/86A patent/AU597241B2/en not_active Expired
- 1986-01-31 RU SU864023030A patent/RU2031906C1/ru active
- 1986-01-31 JP JP61019999A patent/JPH0745551B2/ja not_active Expired - Lifetime
- 1986-01-31 CN CN86100791A patent/CN1030199C/zh not_active Expired - Lifetime
- 1986-01-31 BR BR8600413A patent/BR8600413A/pt unknown
-
1988
- 1988-02-05 US US07/152,619 patent/US4916198A/en not_active Expired - Lifetime
-
1990
- 1990-03-22 AU AU52158/90A patent/AU616106B2/en not_active Expired
-
1991
- 1991-06-28 AU AU79428/91A patent/AU7942891A/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3349018A (en) * | 1963-10-28 | 1967-10-24 | Union Carbide Corp | Controllable degradation of alpha-olefin polymers using irradiation |
| EP0063654A1 (en) * | 1981-04-23 | 1982-11-03 | Himont Incorporated | Improved method of visbreaking polypropylene |
| AU5141785A (en) * | 1984-12-19 | 1986-06-26 | Montell Technology Company B.V. | Controlled degradation of polypropylene using peroxides |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU616106B2 (en) * | 1985-01-31 | 1991-10-17 | Montell North America Inc. | Process for making polypropylene with strain hardening elongational viscosity |
| AU620880B2 (en) * | 1988-07-22 | 1992-02-27 | Himont Incorporated | Thermal treatment of irradiated polypropylene |
Also Published As
| Publication number | Publication date |
|---|---|
| BR8600413A (pt) | 1986-10-14 |
| JPH0745551B2 (ja) | 1995-05-17 |
| US4916198A (en) | 1990-04-10 |
| CN86100791A (zh) | 1987-02-04 |
| CN1030199C (zh) | 1995-11-01 |
| JPS62121704A (ja) | 1987-06-03 |
| RU2031906C1 (ru) | 1995-03-27 |
| ZA86528B (en) | 1986-09-24 |
| IN166935B (cg-RX-API-DMAC10.html) | 1990-08-11 |
| AU5215890A (en) | 1990-07-19 |
| AU7942891A (en) | 1991-09-12 |
| AU5284386A (en) | 1986-08-07 |
| AU616106B2 (en) | 1991-10-17 |
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