GB1377537A - Storage stable polyacrylamide particles and process for their production - Google Patents
Storage stable polyacrylamide particles and process for their productionInfo
- Publication number
- GB1377537A GB1377537A GB4020572A GB4020572A GB1377537A GB 1377537 A GB1377537 A GB 1377537A GB 4020572 A GB4020572 A GB 4020572A GB 4020572 A GB4020572 A GB 4020572A GB 1377537 A GB1377537 A GB 1377537A
- Authority
- GB
- United Kingdom
- Prior art keywords
- particles
- polymer gel
- polymer
- powder
- gel particles
- 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
- 239000002245 particle Substances 0.000 title abstract 4
- 229920002401 polyacrylamide Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920000642 polymer Polymers 0.000 abstract 6
- 239000000843 powder Substances 0.000 abstract 6
- 239000007863 gel particle Substances 0.000 abstract 4
- 229920002472 Starch Polymers 0.000 abstract 3
- 125000000129 anionic group Chemical group 0.000 abstract 2
- 125000002091 cationic group Chemical group 0.000 abstract 2
- 235000013312 flour Nutrition 0.000 abstract 2
- 239000000499 gel Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 235000019698 starch Nutrition 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 229920002307 Dextran Polymers 0.000 abstract 1
- 229920001353 Dextrin Polymers 0.000 abstract 1
- 239000004375 Dextrin Substances 0.000 abstract 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract 1
- 244000061456 Solanum tuberosum Species 0.000 abstract 1
- 235000002595 Solanum tuberosum Nutrition 0.000 abstract 1
- 240000008042 Zea mays Species 0.000 abstract 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 235000019425 dextrin Nutrition 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 235000009973 maize Nutrition 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 235000009566 rice Nutrition 0.000 abstract 1
- 150000004760 silicates Chemical class 0.000 abstract 1
Classifications
-
- 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
- C08J3/12—Powdering or granulating
- C08J3/124—Treatment for improving the free-flowing characteristics
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
-
- 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
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
- C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712143549 DE2143549C3 (de) | 1971-08-31 | 1971-08-31 | Verfahren zur Herstellung lagerfähiger nicht zusammenbackender formstabiler Gallertgranulate von Acrylamid Homo- oder Mischpolymerisaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1377537A true GB1377537A (en) | 1974-12-18 |
Family
ID=5818258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4020572A Expired GB1377537A (en) | 1971-08-31 | 1972-08-30 | Storage stable polyacrylamide particles and process for their production |
Country Status (11)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51117591A (en) * | 1975-04-07 | 1976-10-15 | Matsushita Electric Ind Co Ltd | Semiconductor photoelectric conversion element |
| JPS5323287A (en) * | 1976-08-16 | 1978-03-03 | Hiroyuki Sakaki | Photoelectric converting element |
| JPS53149879A (en) * | 1977-01-31 | 1978-12-27 | Tokyo Yuuki Kagaku Kougiyou Kk | Method of manufacturing glanular aggregating agent |
| JPS5852691Y2 (ja) * | 1979-05-29 | 1983-12-01 | 工業技術院長 | 光電変換素子 |
| JPS57130482A (en) * | 1981-02-05 | 1982-08-12 | Semiconductor Energy Lab Co Ltd | Mis type photoelectric transducer |
| JPS5857756A (ja) * | 1981-10-01 | 1983-04-06 | Agency Of Ind Science & Technol | 非晶質太陽電池 |
| FR2530647A1 (fr) * | 1982-07-20 | 1984-01-27 | Rhone Poulenc Spec Chim | Procede de preparation de flocons de polymeres acryliques hydrosolubles |
| JPS6022380A (ja) * | 1983-07-18 | 1985-02-04 | Nippon Telegr & Teleph Corp <Ntt> | 太陽電池 |
| JPS60128647A (ja) * | 1983-12-16 | 1985-07-09 | Hitachi Ltd | 可撓性フィルム導体リードおよびこれを用いた太陽電池装置ならびにその製造方法 |
| JPH0539640Y2 (enrdf_load_stackoverflow) * | 1987-07-22 | 1993-10-07 | ||
| DE4029593C2 (de) * | 1990-09-19 | 1994-07-07 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung von Absorptionsmaterial auf Polymerbasis mit verbesserter Abbaubarkeit und Absorption von Wasser, wäßrigen Lösungen und Körperflüssigkeiten und die Verwendung in Hygieneartikeln und zur Bodenverbesserung |
| DE19711712A1 (de) * | 1997-03-20 | 1998-09-24 | Wacker Chemie Gmbh | Verfahren zur Herstellung von blockstabilen, in Wasser redispergierbaren Polymerpulvern |
| DE10352081A1 (de) * | 2003-11-07 | 2005-06-23 | Wolff Cellulosics Gmbh & Co. Kg | Lagerstabile Teilchenzusammensetzung aus Polysacchariden und/oder Polysaccharidderivaten und zumindestens einem synthetischen Polymerisat, ein Verfahren zu deren Herstellung sowie der Verwendung in Baustoffgemischen |
-
0
- BE BE788191D patent/BE788191A/xx unknown
-
1971
- 1971-08-31 DE DE19712143549 patent/DE2143549C3/de not_active Expired
-
1972
- 1972-07-18 NL NL7209918A patent/NL7209918A/xx not_active Application Discontinuation
- 1972-08-04 CA CA148,740A patent/CA989989A/en not_active Expired
- 1972-08-29 JP JP8590872A patent/JPS5516179B2/ja not_active Expired
- 1972-08-29 DD DD16529372A patent/DD98939A5/xx unknown
- 1972-08-30 SE SE1120172A patent/SE391941B/xx unknown
- 1972-08-30 IT IT2863872A patent/IT968371B/it active
- 1972-08-30 GB GB4020572A patent/GB1377537A/en not_active Expired
- 1972-08-30 FR FR7230762A patent/FR2150973B1/fr not_active Expired
- 1972-08-31 CH CH1284872A patent/CH570435A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE391941B (sv) | 1977-03-07 |
| FR2150973B1 (enrdf_load_stackoverflow) | 1978-02-10 |
| DE2143549C3 (de) | 1979-06-21 |
| CH570435A5 (enrdf_load_stackoverflow) | 1975-12-15 |
| CA989989A (en) | 1976-05-25 |
| DE2143549A1 (de) | 1973-04-12 |
| DE2143549B2 (de) | 1977-06-30 |
| JPS5516179B2 (enrdf_load_stackoverflow) | 1980-04-30 |
| DD98939A5 (enrdf_load_stackoverflow) | 1973-07-12 |
| IT968371B (it) | 1974-03-20 |
| FR2150973A1 (enrdf_load_stackoverflow) | 1973-04-13 |
| JPS4832946A (enrdf_load_stackoverflow) | 1973-05-04 |
| NL7209918A (enrdf_load_stackoverflow) | 1973-03-02 |
| BE788191A (fr) | 1973-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |