SU148908A1 - The method of obtaining grafted film-forming materials - Google Patents

The method of obtaining grafted film-forming materials

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Publication number
SU148908A1
SU148908A1 SU741205A SU741205A SU148908A1 SU 148908 A1 SU148908 A1 SU 148908A1 SU 741205 A SU741205 A SU 741205A SU 741205 A SU741205 A SU 741205A SU 148908 A1 SU148908 A1 SU 148908A1
Authority
SU
USSR - Soviet Union
Prior art keywords
forming materials
grafted film
obtaining grafted
obtaining
films
Prior art date
Application number
SU741205A
Other languages
Russian (ru)
Inventor
Р.Н. Коростылева
С.И. Трахтенберг
Л.М. Шутер
Original Assignee
Р.Н. Коростылева
С.И. Трахтенберг
Л.М. Шутер
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Р.Н. Коростылева, С.И. Трахтенберг, Л.М. Шутер filed Critical Р.Н. Коростылева
Priority to SU741205A priority Critical patent/SU148908A1/en
Application granted granted Critical
Publication of SU148908A1 publication Critical patent/SU148908A1/en

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  • Graft Or Block Polymers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Description

В ОСНОВНОМ авт. св. .Nb 136557 описан способ получени  привитых белковополиэфиракрилатных пленкообразующих материалов путем перемешивани  алкилакрилатов и белкового компонента при повышенной температуре в щелочной среде в присутствии перекисных агентов. Однако получаемые пленки не обладают устойчивостью к воздействию низких температур. При температуре - 3° они тер ют эластичность.BASIC Auth. St. .Nb 136557 describes a method for preparing grafted protein-polyether acrylate film-forming materials by mixing alkyl acrylates and the protein component at elevated temperature in an alkaline medium in the presence of peroxide agents. However, the resulting films are not resistant to low temperatures. At a temperature of –3 °, they lose their elasticity.

Предлагаемый способ отличаетс  тем, что используют смесь метили бутилакрилатов с содержанием последнего 30-60% с последующим взаимодействием этой смеси с белковым компонентом в соотношении 0,,5-1 соответственно и дальнейшей обработкой способом по авт. св. № 136557. Это позвол ет придать пленкам морозоустойчивость.The proposed method is characterized in that a mixture of methyl butyl acrylates is used with the content of the latter 30-60%, followed by the interaction of this mixture with the protein component in a ratio of 0, 5-1, respectively, and further processing by the method of ed. St. No. 136557. This allows the films to be frost resistant.

При осуществлении способа в смесь, состо щую из белка и полиэфиракрилатов , добавл ют аммиак, надсернокислый калий и перемешивают массу при 87-97°.In the process, ammonia, potassium sulphate are added to a mixture of protein and polyether acrylates, and the mass is stirred at 87-97 °.

Пример 1. К 1000 мл 15%-ного раствора казеина добавл ют при перемешивании 500 мл 2,5%-ного раствора аммиака, 9 г надсернокислого кали , 1700 мл воды, 150 мл метилакрилата, 150 мл бутилакрилата и перемешивают при температуре 20-25° в течение 10 мин. Нагревают реакционную смесь до 95-98° и перемешивают при этой температуре 30-40 мин (до исчезновени  запаха мономеров).Example 1. To 1000 ml of a 15% casein solution is added with stirring 500 ml of a 2.5% ammonia solution, 9 g of potassium sulphate, 1700 ml of water, 150 ml of methyl acrylate, 150 ml of butyl acrylate and stirred at 20-25 ° for 10 min. Heat the reaction mixture to 95-98 ° and stir at this temperature for 30-40 minutes (until the odor of the monomers disappears).

Продукт реакции - устойчивый раствор, неограниченно смешивающийс  с водой. При высыхании образует пленки с раст жением в момент разрыва до 200-250%. Эластичность пленок сохран етс  при температуре - 25°.The reaction product is a stable solution that is indefinitely miscible with water. On drying, it forms films with stretching at the moment of rupture up to 200-250%. The elasticity of the films is maintained at a temperature of -25 °.

SU741205A 1961-08-07 1961-08-07 The method of obtaining grafted film-forming materials SU148908A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU741205A SU148908A1 (en) 1961-08-07 1961-08-07 The method of obtaining grafted film-forming materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU741205A SU148908A1 (en) 1961-08-07 1961-08-07 The method of obtaining grafted film-forming materials

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
SU136557A Addition SU39127A1 (en) 1933-10-22 1933-10-22 Swing steam distribution valve for steam engines, and in particular for locomotive engines

Publications (1)

Publication Number Publication Date
SU148908A1 true SU148908A1 (en) 1961-11-30

Family

ID=48304113

Family Applications (1)

Application Number Title Priority Date Filing Date
SU741205A SU148908A1 (en) 1961-08-07 1961-08-07 The method of obtaining grafted film-forming materials

Country Status (1)

Country Link
SU (1) SU148908A1 (en)

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