RU92001743A - METHOD OF OBTAINING POLYACRYLONITRILE FIBER - Google Patents

METHOD OF OBTAINING POLYACRYLONITRILE FIBER

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Publication number
RU92001743A
RU92001743A RU92001743/05A RU92001743A RU92001743A RU 92001743 A RU92001743 A RU 92001743A RU 92001743/05 A RU92001743/05 A RU 92001743/05A RU 92001743 A RU92001743 A RU 92001743A RU 92001743 A RU92001743 A RU 92001743A
Authority
RU
Russia
Prior art keywords
polyacrylonitrile fiber
rhodanide
obtaining polyacrylonitrile
obtaining
copolymerization
Prior art date
Application number
RU92001743/05A
Other languages
Russian (ru)
Inventor
И.А. Барсуков
Original Assignee
И.А. Барсуков
Filing date
Publication date
Application filed by И.А. Барсуков filed Critical И.А. Барсуков
Publication of RU92001743A publication Critical patent/RU92001743A/en

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Claims (1)

Использование: производство нитей текстильного и технического назначения. Сущность изобретения: проводят сополимеризацию 93,5 - 97,4% акрилонитрила с 2,6 - 6,5% акриловой кислоты в 45 - 55%-ном водном растворе роданида натрия при 40 - 90oС и pH 4,0 - 11,0. В реакционную массу можно вводить дополнительно до 3,5% метилакрилата. Соотношение мономеры - растворитель составляет 1 : 2,9 - 9,0. Полученный раствор формуют в водно-роданидную осадительную ванну. Волокно вытягивают и сушат.Use: manufacture of textile and technical threads. The essence of the invention: carry out the copolymerization of 93.5 - 97.4% acrylonitrile with 2.6 - 6.5% acrylic acid in 45 - 55% aqueous solution of sodium rhodanide at 40 - 90 o C and pH 4.0 - 11, 0 Additionally, up to 3.5% methyl acrylate can be added to the reaction mass. The ratio of monomers - solvent is 1: 2.9 - 9.0. The resulting solution is formed into a water-rhodanide precipitation bath. Fiber pull and dry.
RU92001743/05A 1992-10-22 METHOD OF OBTAINING POLYACRYLONITRILE FIBER RU92001743A (en)

Publications (1)

Publication Number Publication Date
RU92001743A true RU92001743A (en) 1996-04-27

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