CA1266490A - Removal of alkali metals from polyols - Google Patents
Removal of alkali metals from polyolsInfo
- Publication number
- CA1266490A CA1266490A CA000557563A CA557563A CA1266490A CA 1266490 A CA1266490 A CA 1266490A CA 000557563 A CA000557563 A CA 000557563A CA 557563 A CA557563 A CA 557563A CA 1266490 A CA1266490 A CA 1266490A
- Authority
- CA
- Canada
- Prior art keywords
- alkaline earth
- polyol
- polyols
- alkali
- phosphate
- 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 - Fee Related
Links
- 229920005862 polyol Polymers 0.000 title claims abstract description 45
- 150000003077 polyols Chemical class 0.000 title claims abstract description 45
- 229910052783 alkali metal Inorganic materials 0.000 title description 3
- 150000001340 alkali metals Chemical class 0.000 title description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 35
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 claims abstract description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims description 3
- 239000004137 magnesium phosphate Substances 0.000 claims description 3
- 235000010994 magnesium phosphates Nutrition 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- MHJAJDCZWVHCPF-UHFFFAOYSA-L dimagnesium phosphate Chemical group [Mg+2].OP([O-])([O-])=O MHJAJDCZWVHCPF-UHFFFAOYSA-L 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229960002261 magnesium phosphate Drugs 0.000 claims 2
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 2
- 239000003054 catalyst Substances 0.000 description 10
- 239000004814 polyurethane Substances 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- -1 dihydrogen phosphate compound Chemical class 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000391 magnesium silicate Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 235000012243 magnesium silicates Nutrition 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000010944 pre-mature reactiony Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/008,025 US4855509A (en) | 1987-01-28 | 1987-01-28 | Removal of alkali metals from polyols |
| US07/008,025 | 1987-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1266490A true CA1266490A (en) | 1990-03-06 |
Family
ID=21729429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000557563A Expired - Fee Related CA1266490A (en) | 1987-01-28 | 1988-01-28 | Removal of alkali metals from polyols |
Country Status (5)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177297A (en) * | 1991-10-30 | 1993-01-05 | Shell Oil Company | Method of removing a polymerization catalyst |
| US5166277A (en) * | 1991-10-31 | 1992-11-24 | Shell Oil Company | Hydrogenation of unsaturation in low molecular weight diene polymers |
| US5393843A (en) * | 1992-08-31 | 1995-02-28 | Shell Oil Company | Butadiene polymers having terminal functional groups |
| US5336726A (en) * | 1993-03-11 | 1994-08-09 | Shell Oil Company | Butadiene polymers having terminal silyl groups |
| US5663250A (en) * | 1996-05-16 | 1997-09-02 | Shell Oil Company | Deprotection with molten salt |
| US7495063B2 (en) * | 2006-02-03 | 2009-02-24 | Dow Global Technologies Inc. | Reduced oligomer concentration in high purity polyalkylene glycols |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770124A (en) * | 1980-10-20 | 1982-04-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Purification of polyether-polyol |
-
1987
- 1987-01-28 US US07/008,025 patent/US4855509A/en not_active Expired - Fee Related
- 1987-12-30 GB GB8730295A patent/GB2200360B/en not_active Expired - Lifetime
-
1988
- 1988-01-20 DE DE3801504A patent/DE3801504A1/de active Granted
- 1988-01-28 JP JP63016015A patent/JPS63192730A/ja active Granted
- 1988-01-28 CA CA000557563A patent/CA1266490A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB8730295D0 (en) | 1988-02-03 |
| JPS63192730A (ja) | 1988-08-10 |
| GB2200360B (en) | 1990-10-17 |
| JPH05375B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-01-05 |
| DE3801504C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-11-09 |
| US4855509A (en) | 1989-08-08 |
| DE3801504A1 (de) | 1988-08-11 |
| GB2200360A (en) | 1988-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |