JP2001323017A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2001323017A5 JP2001323017A5 JP2000145500A JP2000145500A JP2001323017A5 JP 2001323017 A5 JP2001323017 A5 JP 2001323017A5 JP 2000145500 A JP2000145500 A JP 2000145500A JP 2000145500 A JP2000145500 A JP 2000145500A JP 2001323017 A5 JP2001323017 A5 JP 2001323017A5
- Authority
- JP
- Japan
- Prior art keywords
- water
- soluble polymer
- alkali metal
- monomer
- less
- 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.)
- Granted
Links
Description
【請求項１】 少なくともアクリルアミド系モノマーおよび／またはアニオン性ビニルモノマーを重合して得られた含水状態の水溶性重合体を乾燥するに際し、含水状態の水溶性重合体に、まず、仕込みモノマーに対して０．１質量％以上２．０質量％未満の亜硫酸アルカリ金属塩、亜硫酸水素アルカリ金属塩およびピロ亜硫酸アルカリ金属塩からなる群より選ばれた少なくとも１種を添加し、ついで、仕込みモノマーに対して０．１質量％以上２．０質量％未満のアルカリ剤を添加した後、含水状態の水溶性重合体を乾燥することを特徴とする水溶性重合体の製造方法。 When drying a water-containing water-soluble polymer obtained by polymerizing at least an acrylamide-based monomer and / or an anionic vinyl monomer, first, the water-containing water-soluble polymer is first added to the charged monomer. Te sulfite an alkali metal salt of less than 0.1 wt% to 2.0 wt%, and adding at least one selected from the group consisting of hydrogen sulfite an alkali metal salt and pyrosulfite alkali metal salts, then to charged monomers after the alkali agent is less than 0.1 wt% to 2.0 wt% were added pressurized Te method of the water-soluble polymer, characterized by drying a water-soluble polymer of the water-containing state.
【０００８】
【課題を解決するための手段】
本発明の水溶性重合体の製造方法は、少なくともアクリルアミド系モノマーおよび／またはアニオン性ビニルモノマーを重合して得られた含水状態の水溶性重合体を乾燥するに際し、含水状態の水溶性重合体に、まず、仕込みモノマーに対して０．１質量％以上２．０質量％未満の亜硫酸アルカリ金属塩、亜硫酸水素アルカリ金属塩およびピロ亜硫酸アルカリ金属塩からなる群より選ばれた少なくとも１種を添加し、ついで、仕込みモノマーに対して０．１質量％以上２．０質量％未満のアルカリ剤を添加した後、含水状態の水溶性重合体を乾燥することを特徴とする。
[0008]
[Means for Solving the Problems]
The method for producing a water-soluble polymer of the present invention is characterized in that when a water-containing water-soluble polymer obtained by polymerizing at least an acrylamide monomer and / or an anionic vinyl monomer is dried, First, at least one member selected from the group consisting of alkali metal sulfite, alkali metal bisulfite and alkali metal pyrosulfite in an amount of 0.1% by mass or more and less than 2.0% by mass based on the charged monomers is added. and then, after the alkaline agent of less than 0.1 wt% to 2.0 wt% I was added pressure on the charged monomer, characterized by drying the water-soluble polymer of the water-containing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000145500A JP5311360B2 (en) | 2000-05-17 | 2000-05-17 | Method for producing water-soluble polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000145500A JP5311360B2 (en) | 2000-05-17 | 2000-05-17 | Method for producing water-soluble polymer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001323017A JP2001323017A (en) | 2001-11-20 |
| JP2001323017A5 true JP2001323017A5 (en) | 2007-06-21 |
| JP5311360B2 JP5311360B2 (en) | 2013-10-09 |
Family
ID=18651999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000145500A Expired - Lifetime JP5311360B2 (en) | 2000-05-17 | 2000-05-17 | Method for producing water-soluble polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5311360B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5072514B2 (en) * | 2007-09-26 | 2012-11-14 | ダイヤニトリックス株式会社 | Method for producing water-soluble polymer |
| CN113429512B (en) * | 2021-06-02 | 2022-08-02 | 宁波锋成先进能源材料研究院有限公司 | Application of water-soluble polymer as curing agent in cement-based material |
-
2000
- 2000-05-17 JP JP2000145500A patent/JP5311360B2/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE391809T1 (en) | PAPER PRODUCTION PROCESS TO IMPROVE RETENTION AND DRAINAGE USING A COPOLYMER OF DIALLYL-N,N-DISUBSTITUTED AMMONIUM HALOGENIDE/ACRYLAMIDE AND A STRUCTURALLY MODIFIED CATIONIC POLYMER | |
| KR100429242B1 (en) | Process for preparing vinylpyrrolidone polymer | |
| JP2004509182A5 (en) | ||
| JP2002504563A5 (en) | ||
| EP0910594A4 (en) | ||
| EP0396303A3 (en) | Process for producing and use of maleic acid (co-) polymer salt improved in biodegradability | |
| RU2005107322A (en) | HIGH MOLECULAR CATION POLYMERS RECEIVED BY SEWING REACTION AFTER POLYMERIZATION | |
| KR890006731A (en) | How to make absorbent polymer | |
| JPH09510488A (en) | Graft polymers having N-vinyl units, their preparation and their use | |
| CA2347202A1 (en) | Improved paper sizing agents and methods of making the agents and sizing paper | |
| WO2004056888A3 (en) | Hydrophobically modified polymers as laundry additives | |
| WO2002055575A8 (en) | Process for preparing high diblock content multiblock interpolymers via chain transfer | |
| MXPA02006995A (en) | Method for obtaining a photochromic latex. | |
| RU2011110751A (en) | POLYMER DISPERSION | |
| JP2001323017A5 (en) | ||
| MX9600463A (en) | Improved emulsion polymerization process utilizing a specifically defined ethylenically unsaturated polymerizable water-soluble nonionic surfactant formed by the reaction of diallylamine, ethylene oxide, and propylene oxide and/or butyelene oxide. | |
| WO2001085805A3 (en) | Highly functionalized polymers and a process for making the same | |
| TW528766B (en) | Redox process for preparing emulsion polymer having low residual formaldehyde content | |
| JPS56103207A (en) | Preparation of dried high-molecular weight water-soluble polymer | |
| JPS6050809B2 (en) | Method for producing acrylamide polymer | |
| CA2277128A1 (en) | Process for the production of acrylamide polymer dispersion | |
| US5563276A (en) | Polymerization of acrylic acid and derivatives thereof using azoamidoxime salt | |
| WO2002006433A8 (en) | Laundry composition comprising perfluoroalkyl soil release polymer | |
| WO2001038408A3 (en) | Method for producing polymers on the basis of 1,3 dienes | |
| KR960014159A (en) | High solid content latex manufacturing method |