SU700193A1 - Method of obtaining aqueous colloid solutions of water-repellent and water-retaining copolymers - Google Patents
Method of obtaining aqueous colloid solutions of water-repellent and water-retaining copolymersInfo
- Publication number
- SU700193A1 SU700193A1 SU752109112A SU2109112A SU700193A1 SU 700193 A1 SU700193 A1 SU 700193A1 SU 752109112 A SU752109112 A SU 752109112A SU 2109112 A SU2109112 A SU 2109112A SU 700193 A1 SU700193 A1 SU 700193A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- water
- repellent
- copolymers
- retaining
- organic solvent
- Prior art date
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- Colloid Chemistry (AREA)
- Medicinal Preparation (AREA)
Description
гидрофобного компонента до 66%, устойч : вые в течение 1,5-2 лет.hydrophobic component up to 66%, stable for 1.5-2 years.
Лиюфильна сушка этих коллоидных растворов не нрен тствует дальнейшему переводу твердого сополимера в водную среду. Пример 1. 300 мг сополимера стирола с вннилнирролидоном с молекул рным весом (м. в.) пор дка 70000, содержащего 24 мол. % стирола, раствор ют в 10 мл ди; мстилформамида. Полученный раствор диа .лизуют против воды и получают водный : коллоидный раствор сополимера с копцен; трацией 30 мг1м.Lioufil drying of these colloidal solutions does not preclude further transfer of the solid copolymer into the aqueous medium. Example 1. 300 mg of a styrene-vnnnirrolidone copolymer with a molecular weight (m) in the order of 70,000 containing 24 mol. % styrene, dissolved in 10 ml of di; mstylformamide. The resulting solution is dialed against water and an aqueous solution is obtained: a colloidal solution of a copolymer with copsen; Traction 30 mg1m.
i Диализ, согласно указанному примеру, ;производ т ПО стандартной методике, опиi сапной, например, в Краткой химической ; энциклонедни, т. 1, с. 1094 при использова; НИИ в качестве мембраны нромышленной целлофановой пленки. Процесс диализа : провод т в течение 72-96 ч при посто нном перемешивании, при периодической за; мене через каждые 3 ч воды в диализной ; кювете.i Dialysis, according to the specified example,; is produced according to a standard procedure, described in, for example, the brief chemical; Encyclopedia, t. 1, p. 1094 when used; Scientific research institute as a membrane of an industrial cellophane film. Dialysis process: carried out for 72-96 hours with constant stirring, with occasional stirring; less than every 3 h of dialysis water; cuvette.
; Пример 2. 39,8 мг блок-сополимера : стирола с винилпирролидоном с м.. в. - 18000, содержащего 40 мол. % стирола, ; раствор ют в 10 мл смеси 96%-кого эти: лового спирта и днюксана, вз тых в весо; зом отношении 3 : 7. Полученный раствор диализуют нротив воды, и образовавшийс : водный коллоидный раствор указанного со полимера лиофилизуют. В результате получают 36,9 мг белого порошка, дающего к воде коллоидный раствор.; Example 2. 39.8 mg of a block copolymer: styrene with vinylpyrrolidone with m. C. - 18000, containing 40 mol. % styrene; dissolved in 10 ml of a mixture of 96% of these: l alcohol and dynuxan taken in weight; With a ratio of 3: 7. The resulting solution was dialyzed against water, and the resulting: aqueous colloidal solution of the specified polymer was lyophilized. The result is 36.9 mg of a white powder, which gives a colloidal solution to water.
Пример 3. 130,2 мг сополимера изоникотиноилкротонилиденгидразона с вин|илнлрролидоном , содержащего 34 мол. % указанного первого гидрофобного компонента,Example 3. 130.2 mg of a copolymer of isonicotinoylcrotonylidene hydrazone with vin | ilnrolrolone containing 34 mol. % of the specified first hydrophobic component,
раствор ют в 50 мл этилового снирта. Этот раствор диализуют против воды и получают водиый коллоидиый раствор сонолимера с концентрацией 2,6 .dissolved in 50 ml of ethanol. This solution is dialyzed against water and a water-soluble colloid solution of the 2.6 copolymer is obtained.
Пример 4. 148,5 мг блок-сополимераExample 4. 148.5 mg of block copolymer
стирола с метакриловой кислотой с м. в. -- 100000, содержащего 66 Мол. % стирола, раствор ют в 10 мл днметилформамида. Зтот раствор диализуют против воды и получают водный коллоидный раствор соиолимера с концентрацией 15 мг1мл.styrene with methacrylic acid, m. - 100,000, containing 66 Mol. % styrene, dissolved in 10 ml of dnmethylformamide. This solution is dialyzed against water and an aqueous colloidal solution of a soiolimer with a concentration of 15 mg1 ml is obtained.
Форм у л а изобретен и Formula is invented and
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752109112A SU700193A1 (en) | 1975-02-14 | 1975-02-14 | Method of obtaining aqueous colloid solutions of water-repellent and water-retaining copolymers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752109112A SU700193A1 (en) | 1975-02-14 | 1975-02-14 | Method of obtaining aqueous colloid solutions of water-repellent and water-retaining copolymers |
Publications (1)
Publication Number | Publication Date |
---|---|
SU700193A1 true SU700193A1 (en) | 1979-11-30 |
Family
ID=20611350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU752109112A SU700193A1 (en) | 1975-02-14 | 1975-02-14 | Method of obtaining aqueous colloid solutions of water-repellent and water-retaining copolymers |
Country Status (1)
Country | Link |
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SU (1) | SU700193A1 (en) |
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1975
- 1975-02-14 SU SU752109112A patent/SU700193A1/en active
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