FI63429C - Med tillhjaelp av en katalyserad reaktion och i naervaro av et skummedel framstaellt mjukt boejligt polyuretanskum - Google Patents
Med tillhjaelp av en katalyserad reaktion och i naervaro av et skummedel framstaellt mjukt boejligt polyuretanskum Download PDFInfo
- Publication number
- FI63429C FI63429C FI770802A FI770802A FI63429C FI 63429 C FI63429 C FI 63429C FI 770802 A FI770802 A FI 770802A FI 770802 A FI770802 A FI 770802A FI 63429 C FI63429 C FI 63429C
- Authority
- FI
- Finland
- Prior art keywords
- polyether
- polyol
- weight
- hydroxyl groups
- ratio
- Prior art date
Links
- 229920000570 polyether Polymers 0.000 claims description 29
- 229920005862 polyol Polymers 0.000 claims description 27
- 150000003077 polyols Chemical class 0.000 claims description 27
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 21
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 19
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 16
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 13
- 239000011496 polyurethane foam Substances 0.000 claims description 13
- 239000006260 foam Substances 0.000 claims description 11
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 10
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 229920001228 polyisocyanate Polymers 0.000 claims description 4
- 239000005056 polyisocyanate Substances 0.000 claims description 4
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 3
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 3
- 229940029284 trichlorofluoromethane Drugs 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- -1 tetrols Chemical class 0.000 description 2
- 150000004072 triols Chemical class 0.000 description 2
- DJOWTWWHMWQATC-KYHIUUMWSA-N Karpoxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1(O)C(C)(C)CC(O)CC1(C)O)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C DJOWTWWHMWQATC-KYHIUUMWSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- 206010029216 Nervousness Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 101150074984 RFT1 gene Proteins 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 241000143957 Vanessa atalanta Species 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/4845—Polyethers containing oxyethylene units and other oxyalkylene units containing oxypropylene or higher oxyalkylene end groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/914—Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21288/76A IT1058454B (it) | 1976-03-17 | 1976-03-17 | Tprcedimento per la produzione di schiume poliuretaniche soffici ed extra supersoffici |
IT2128876 | 1976-03-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI770802A7 FI770802A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-09-18 |
FI63429B FI63429B (fi) | 1983-02-28 |
FI63429C true FI63429C (fi) | 1983-06-10 |
Family
ID=11179584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI770802A FI63429C (fi) | 1976-03-17 | 1977-03-14 | Med tillhjaelp av en katalyserad reaktion och i naervaro av et skummedel framstaellt mjukt boejligt polyuretanskum |
Country Status (18)
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583488B2 (ja) * | 1978-05-15 | 1983-01-21 | 株式会社ブリヂストン | 軟質ポリエ−テルポリウレタンフオ−ムの製造方法 |
DE2916485A1 (de) * | 1979-04-24 | 1980-11-06 | Bayer Ag | Verfahren zur herstellung von elastischen formkoerpern |
DE3066568D1 (en) * | 1979-07-11 | 1984-03-22 | Ici Plc | Prepolymers, polyisocyanate compositions prepared therefrom and their use in the preparation of polyurethane foams |
DE3137132A1 (de) * | 1981-09-18 | 1983-04-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von elastischen polyurethan-weichschaumstoffen |
US4487854A (en) * | 1983-12-27 | 1984-12-11 | Basf Wyandotte Corporation | Polyoxyalkylene polyether polyols and polyurethane foams prepared therefrom |
WO1990011310A1 (en) * | 1989-03-21 | 1990-10-04 | The Dow Chemical Company | Solvent resistant polyetherpolyurethane products and process for preparing the same |
IT1229756B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Schiume poliuretaniche flessibili e procedimento per la loro preparazione |
EP0478773B1 (en) * | 1990-04-11 | 1996-03-06 | Mitsubishi Chemical Corporation | Urethane prepolymer and polyurethane composition |
US5114989A (en) * | 1990-11-13 | 1992-05-19 | The Dow Chemical Company | Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom |
GB9126740D0 (en) * | 1991-12-17 | 1992-02-12 | Ici Plc | Polyol compositions |
US6376698B1 (en) * | 1991-12-17 | 2002-04-23 | Imperial Chemical Industries Plc | Prepolymers |
DE69220338T2 (de) * | 1991-12-17 | 1997-11-06 | Ici Plc | Polyurethanschäume |
US5686502A (en) * | 1992-07-01 | 1997-11-11 | Polyfoam Products, Inc. | Water blown, hydrophilic, open cell polyurethane foams, method of making such foams and articles made therefrom |
US5447965A (en) * | 1993-06-02 | 1995-09-05 | Imperial Chemical Industries Plc | Method for the preparation of flexible polymeric foams |
GB9311345D0 (en) * | 1993-06-02 | 1993-07-21 | Ici Plc | Method for the preparation of flexible polymeric foams |
US6521674B1 (en) | 1993-10-01 | 2003-02-18 | Carpenter Co. | Latex-like flexible polyurethane foam and process for making same |
DE19928156A1 (de) | 1999-06-19 | 2000-12-28 | Bayer Ag | Aus Polyetherpolyolen hergestellte Polyurethan-Weichschäume |
DE19941242A1 (de) * | 1999-08-31 | 2001-03-08 | Basf Ag | Polyetheralkohole |
JP5833155B2 (ja) * | 2013-02-22 | 2015-12-16 | 三洋化成工業株式会社 | 軟質ポリウレタンフォーム製造用ポリオール組成物 |
CN110885417A (zh) * | 2019-11-22 | 2020-03-17 | 山东蓝星东大有限公司 | 耐压缩低密度tdi型高回弹泡沫海绵及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA665758A (en) * | 1963-06-25 | Hurd Reginald | Block copolymer of ethylene oxide and propylene oxide in tertiary amino-polyether polyurethane foams | |
US3042631A (en) * | 1956-08-03 | 1962-07-03 | Simoniz Co | Polyurethane prepolymer and expanded product prepared therefrom |
US3461086A (en) * | 1964-03-05 | 1969-08-12 | Dow Chemical Co | Polyether urethane foams from certain heteric polyethers |
FR1487457A (fr) * | 1966-05-26 | 1967-07-07 | Naphtachimie Sa | Mousses de polyuréthane |
US3821130A (en) * | 1972-04-26 | 1974-06-28 | Dow Chemical Co | Air frothed polyurethane foams |
US4008189A (en) * | 1974-06-03 | 1977-02-15 | Olin Corporation | Hydrophilic polyurethane foam |
JPS539637B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-08-06 | 1978-04-07 |
-
1976
- 1976-03-17 IT IT21288/76A patent/IT1058454B/it active
-
1977
- 1977-03-14 FI FI770802A patent/FI63429C/fi not_active IP Right Cessation
- 1977-03-14 NO NO770909A patent/NO145246C/no unknown
- 1977-03-14 NL NLAANVRAGE7702732,A patent/NL184739C/xx not_active IP Right Cessation
- 1977-03-14 SE SE7702877A patent/SE437525B/xx not_active IP Right Cessation
- 1977-03-14 DK DK109577A patent/DK109577A/da not_active Application Discontinuation
- 1977-03-15 AT AT0175177A patent/AT369397B/de not_active IP Right Cessation
- 1977-03-15 US US05/777,609 patent/US4144386A/en not_active Expired - Lifetime
- 1977-03-15 FR FR7707677A patent/FR2357588A1/fr active Granted
- 1977-03-16 ES ES456903A patent/ES456903A1/es not_active Expired
- 1977-03-16 CA CA274,090A patent/CA1095648A/en not_active Expired
- 1977-03-16 HU HU77MO978A patent/HU175269B/hu unknown
- 1977-03-16 PT PT66308A patent/PT66308B/pt unknown
- 1977-03-16 GB GB11120/77A patent/GB1567398A/en not_active Expired
- 1977-03-16 BE BE175814A patent/BE852506A/xx not_active IP Right Cessation
- 1977-03-16 YU YU00699/77A patent/YU39091B/xx unknown
- 1977-03-17 DE DE19772711735 patent/DE2711735A1/de active Granted
- 1977-03-17 JP JP2872077A patent/JPS52111997A/ja active Granted
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: MONTEDISON S.P.A |