IT964316B - Processo per eliminare sostanze contaminanti a base di nichel da polimeri - Google Patents
Processo per eliminare sostanze contaminanti a base di nichel da polimeriInfo
- Publication number
- IT964316B IT964316B IT28566/72A IT2856672A IT964316B IT 964316 B IT964316 B IT 964316B IT 28566/72 A IT28566/72 A IT 28566/72A IT 2856672 A IT2856672 A IT 2856672A IT 964316 B IT964316 B IT 964316B
- Authority
- IT
- Italy
- Prior art keywords
- polymers
- based contaminants
- nickel
- eliminate
- eliminate nickel
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C4/00—Treatment of rubber before vulcanisation, not provided for in groups C08C1/00 - C08C3/02
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C2/00—Treatment of rubber solutions
- C08C2/02—Purification
- C08C2/04—Removal of catalyst residues
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17629771A | 1971-08-30 | 1971-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT964316B true IT964316B (it) | 1974-01-21 |
Family
ID=22643785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28566/72A IT964316B (it) | 1971-08-30 | 1972-08-28 | Processo per eliminare sostanze contaminanti a base di nichel da polimeri |
Country Status (11)
Country | Link |
---|---|
US (1) | US3780137A (it) |
JP (1) | JPS5438638B2 (it) |
AU (1) | AU470187B2 (it) |
BE (1) | BE787869A (it) |
CA (1) | CA991784A (it) |
DE (1) | DE2242190C3 (it) |
ES (1) | ES406163A1 (it) |
FR (1) | FR2151956A5 (it) |
GB (1) | GB1402570A (it) |
IT (1) | IT964316B (it) |
NL (1) | NL168233C (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2402668A1 (fr) * | 1977-09-12 | 1979-04-06 | Solvay | Procede pour la separation des polyolefines fabriquees a basse pression |
GB8722235D0 (en) * | 1987-09-22 | 1987-10-28 | Enichem Elastomers Ltd | Removal of catalyst residues |
USH1303H (en) | 1990-05-24 | 1994-04-05 | Shell Oil Company | Removal of nickel catalyst from polymer solutions by water addition and centrifugation |
US5212285A (en) * | 1990-06-14 | 1993-05-18 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
US5104972A (en) * | 1990-11-23 | 1992-04-14 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by contact with silicates |
FR2765215B1 (fr) * | 1997-06-27 | 1999-08-27 | Rhodia Chimie Sa | Procede de decoloration d'un produit, notamment d'une huile silicone, comprenant des residus catalytiques colores |
DE60314162T2 (de) * | 2002-08-29 | 2007-09-06 | Elkem As | Herstellung von metallen und legierungen unter verwendung von aus einem kohlenstoffhaltigen gas erzeugtem festem kohlenstoff |
-
0
- BE BE787869D patent/BE787869A/nl not_active IP Right Cessation
-
1971
- 1971-08-30 US US00176297A patent/US3780137A/en not_active Expired - Lifetime
-
1972
- 1972-07-31 CA CA148,332A patent/CA991784A/en not_active Expired
- 1972-08-28 NL NLAANVRAGE7211691,A patent/NL168233C/xx not_active IP Right Cessation
- 1972-08-28 IT IT28566/72A patent/IT964316B/it active
- 1972-08-28 AU AU46045/72A patent/AU470187B2/en not_active Expired
- 1972-08-28 DE DE2242190A patent/DE2242190C3/de not_active Expired
- 1972-08-28 JP JP8546672A patent/JPS5438638B2/ja not_active Expired
- 1972-08-28 FR FR7230500A patent/FR2151956A5/fr not_active Expired
- 1972-08-28 ES ES406163A patent/ES406163A1/es not_active Expired
- 1972-08-29 GB GB3999372A patent/GB1402570A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA991784A (en) | 1976-06-22 |
BE787869A (nl) | 1973-02-23 |
ES406163A1 (es) | 1975-08-16 |
DE2242190B2 (de) | 1980-08-14 |
US3780137A (en) | 1973-12-18 |
NL168233C (nl) | 1982-03-16 |
DE2242190A1 (de) | 1973-03-08 |
JPS5438638B2 (it) | 1979-11-22 |
AU4604572A (en) | 1974-03-07 |
DE2242190C3 (de) | 1981-11-19 |
JPS4832982A (it) | 1973-05-04 |
GB1402570A (en) | 1975-08-13 |
AU470187B2 (en) | 1976-03-04 |
NL168233B (nl) | 1981-10-16 |
FR2151956A5 (it) | 1973-04-20 |
NL7211691A (it) | 1973-03-02 |
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