RU2007136125A - METHOD FOR PRODUCING SPHERICAL POWDER - Google Patents
METHOD FOR PRODUCING SPHERICAL POWDER Download PDFInfo
- Publication number
- RU2007136125A RU2007136125A RU2007136125/02A RU2007136125A RU2007136125A RU 2007136125 A RU2007136125 A RU 2007136125A RU 2007136125/02 A RU2007136125/02 A RU 2007136125/02A RU 2007136125 A RU2007136125 A RU 2007136125A RU 2007136125 A RU2007136125 A RU 2007136125A
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- RU
- Russia
- Prior art keywords
- thickeners
- varnish
- powder
- cellulose
- cellulose nitrates
- Prior art date
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- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Способ получения СФП, включающий приготовление порохового лака в водной среде при перемешивании нитратов целлюлозы (пироксилина, пороховой смеси или их смесей с возвратно-технологическими отходами), диспергирование лака на сферические частицы в присутствии загустителей и удаление растворителя, отличающийся тем, что в качестве загустителей применяют полиакриламид или натриевую соль карбоксиметилцеллюлозы в количестве 3,0-10,0% по отношению к 1 мас.ч. нитратов целлюлозы, остальные операции ведут известным способом.The method of producing TFP, including the preparation of powder varnish in an aqueous medium with stirring cellulose nitrates (pyroxylin, powder mixture or mixtures thereof with recycling waste), dispersion of varnish onto spherical particles in the presence of thickeners and solvent removal, characterized in that the thickeners are used polyacrylamide or sodium carboxymethyl cellulose in an amount of 3.0-10.0% in relation to 1 wt.h. cellulose nitrates, the remaining operations are carried out in a known manner.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2007136125/02A RU2382018C2 (en) | 2007-09-28 | 2007-09-28 | Method for production of spherical powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2007136125/02A RU2382018C2 (en) | 2007-09-28 | 2007-09-28 | Method for production of spherical powder |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2007136125A true RU2007136125A (en) | 2009-04-10 |
RU2382018C2 RU2382018C2 (en) | 2010-02-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2007136125/02A RU2382018C2 (en) | 2007-09-28 | 2007-09-28 | Method for production of spherical powder |
Country Status (1)
Country | Link |
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RU (1) | RU2382018C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2495009C2 (en) * | 2011-12-14 | 2013-10-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Method of producing pellet powder |
RU2495011C2 (en) * | 2011-12-26 | 2013-10-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Method of producing pellet powder for cartridges of sports and hunting weapons |
RU2653130C1 (en) * | 2017-06-16 | 2018-05-07 | Акционерное общество "ГенТерра" (АО "ГенТерра") | Magnetic sorbent, a method for its production and a method for separation of molecules of nucleic acids |
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2007
- 2007-09-28 RU RU2007136125/02A patent/RU2382018C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2382018C2 (en) | 2010-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20110929 |