RU2002107622A - The method of dissolving natural silk - Google Patents

The method of dissolving natural silk

Info

Publication number
RU2002107622A
RU2002107622A RU2002107622/04A RU2002107622A RU2002107622A RU 2002107622 A RU2002107622 A RU 2002107622A RU 2002107622/04 A RU2002107622/04 A RU 2002107622/04A RU 2002107622 A RU2002107622 A RU 2002107622A RU 2002107622 A RU2002107622 A RU 2002107622A
Authority
RU
Russia
Prior art keywords
natural silk
nmmo
dissolving
organic
hydrate
Prior art date
Application number
RU2002107622/04A
Other languages
Russian (ru)
Other versions
RU2217530C1 (en
Inventor
Елена Сергеевна Сашина
Клаус Хайнеман
Хорст Бюргер
Николай Петрович Новоселов
Франк Майстер
Original Assignee
Санкт-Петербургский государственный университет технологии и дизайна
Тюрингский институт исследований текстиля и пластмасс
Filing date
Publication date
Application filed by Санкт-Петербургский государственный университет технологии и дизайна, Тюрингский институт исследований текстиля и пластмасс filed Critical Санкт-Петербургский государственный университет технологии и дизайна
Priority to RU2002107622A priority Critical patent/RU2217530C1/en
Priority claimed from RU2002107622A external-priority patent/RU2217530C1/en
Priority to DE2003113877 priority patent/DE10313877B4/en
Application granted granted Critical
Publication of RU2002107622A publication Critical patent/RU2002107622A/en
Publication of RU2217530C1 publication Critical patent/RU2217530C1/en

Links

Claims (3)

1. Способ растворения натурального шелка в гидрате N-метилморфолин-N-оксида (NMMO) при повышенной температуре, отличающийся тем, что натуральный шелк растворяют в NMMO, содержащем 0,3-0,8 моль воды и органического, преимущественно апротонного, разбавителя на 1 моль NMMO, причем перед растворением из гидрата NMMO удаляют связанную воду, затем добавляют органический разбавитель, в полученный комплекс помещают натуральный шелк и перемешивают до полного растворения.1. The method of dissolving natural silk in the hydrate of N-methylmorpholine-N-oxide (NMMO) at elevated temperature, characterized in that the natural silk is dissolved in NMMO containing 0.3-0.8 mol of water and an organic, mainly aprotic, diluent per 1 mol of NMMO, moreover, before dissolving from the hydrate of NMMO, bound water is removed, then an organic diluent is added, natural silk is placed in the resulting complex and mixed until completely dissolved. 2. Способ по п.1, отличающийся тем, что растворение ведут при температуре 85-125°С.2. The method according to claim 1, characterized in that the dissolution is carried out at a temperature of 85-125 ° C. 3. Способ по пп.1 и 2, отличающийся тем, что в качестве органического разбавителя используют диметилсульфоксид.3. The method according to claims 1 and 2, characterized in that dimethyl sulfoxide is used as an organic diluent.
RU2002107622A 2002-03-25 2002-03-25 Natural silk solving method RU2217530C1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2002107622A RU2217530C1 (en) 2002-03-25 2002-03-25 Natural silk solving method
DE2003113877 DE10313877B4 (en) 2002-03-25 2003-03-21 Method of dissolving natural silk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002107622A RU2217530C1 (en) 2002-03-25 2002-03-25 Natural silk solving method

Publications (2)

Publication Number Publication Date
RU2002107622A true RU2002107622A (en) 2003-11-27
RU2217530C1 RU2217530C1 (en) 2003-11-27

Family

ID=28450222

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002107622A RU2217530C1 (en) 2002-03-25 2002-03-25 Natural silk solving method

Country Status (2)

Country Link
DE (1) DE10313877B4 (en)
RU (1) RU2217530C1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2443805C1 (en) * 2010-08-20 2012-02-27 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет технологии и дизайна" (СПГУТД) Method of producing silk fibroin based film for making contact lenses
WO2014002605A1 (en) 2012-06-28 2014-01-03 スパイバー株式会社 Spun-dyed protein fiber and method for producing same
JP5678283B2 (en) * 2012-12-26 2015-02-25 スパイバー株式会社 Spider silk protein film and method for producing the same
EP3954811A1 (en) 2020-08-13 2022-02-16 Gelatex Technologies OÜ Device and method for producing polymer fibers and its uses thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447939A (en) * 1966-09-02 1969-06-03 Eastman Kodak Co Compounds dissolved in cyclic amine oxides
DE19841649A1 (en) * 1998-09-11 2000-04-27 Thueringisches Inst Textil Production of solutions of fibrillar proteins, especially silk, comprises dissolving the protein in N-methylmorpholine N-oxide

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