SE7900528L - ABSORPTION MATERIALS AND PROCEDURE FOR PREPARING THE SAME - Google Patents
ABSORPTION MATERIALS AND PROCEDURE FOR PREPARING THE SAMEInfo
- Publication number
- SE7900528L SE7900528L SE7900528A SE7900528A SE7900528L SE 7900528 L SE7900528 L SE 7900528L SE 7900528 A SE7900528 A SE 7900528A SE 7900528 A SE7900528 A SE 7900528A SE 7900528 L SE7900528 L SE 7900528L
- Authority
- SE
- Sweden
- Prior art keywords
- preparing
- procedure
- same
- absorption materials
- prepared
- Prior art date
Links
- 238000010521 absorption reaction Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- 230000002745 absorbent Effects 0.000 abstract 2
- 239000002250 absorbent Substances 0.000 abstract 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 229920000578 graft copolymer Polymers 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229920001282 polysaccharide Polymers 0.000 abstract 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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A particulate absorbent is prepared from a water- insoluble CO2H-containing hydrolysis product of a graft polymer prepared by grafting acrylonitrile or methacrylonitrile on a carbohydrate polymer, which is crosslinked. The absorbent has a high absorption capacity and an improved rate of absorption of aqueous liquids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7900528A SE428211C (en) | 1979-01-22 | 1979-01-22 | A PARTICULATED ABSORPTION MATERIAL BASED ON A NITRIL IMPOLYMER AND A CROSS-BONDED CARBOHYDRATE POLYMER AND PROCEDURE FOR PREPARING IT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7900528A SE428211C (en) | 1979-01-22 | 1979-01-22 | A PARTICULATED ABSORPTION MATERIAL BASED ON A NITRIL IMPOLYMER AND A CROSS-BONDED CARBOHYDRATE POLYMER AND PROCEDURE FOR PREPARING IT |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE7900528L true SE7900528L (en) | 1980-07-23 |
| SE428211B SE428211B (en) | 1983-06-13 |
| SE428211C SE428211C (en) | 1986-05-20 |
Family
ID=20337073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7900528A SE428211C (en) | 1979-01-22 | 1979-01-22 | A PARTICULATED ABSORPTION MATERIAL BASED ON A NITRIL IMPOLYMER AND A CROSS-BONDED CARBOHYDRATE POLYMER AND PROCEDURE FOR PREPARING IT |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE428211C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950692A (en) * | 1988-12-19 | 1990-08-21 | Nalco Chemical Company | Method for reconstituting superabsorbent polymer fines |
| US4970267A (en) * | 1990-03-08 | 1990-11-13 | Nalco Chemical Company | Reconstitution of superabsorbent polymer fines using persulfate salts |
-
1979
- 1979-01-22 SE SE7900528A patent/SE428211C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE428211B (en) | 1983-06-13 |
| SE428211C (en) | 1986-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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