FIELD: chemistry.
SUBSTANCE: raw mixture contains the following in wt %: water 700-730; paperstock 18-20; phosphogypsum 83-87; urea-formaldehyde resin 4-6; starch 2-3; non-spinnable debris trash of cotton cleaning and/or cotton manufacturing, and or production of technical wool in form of lint 10-12.
EFFECT: increased strength of boards when bent.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
CRUDE MIXTURE FOR GYPSUM BOARDS | 2011 |
|
RU2449962C1 |
MASS FOR PRODUCTION OF GYPSUM BOARDS | 2009 |
|
RU2410347C1 |
MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2471742C1 |
MASS FOR PRODUCTION OF GYPSUM BOARDS | 2008 |
|
RU2368586C1 |
MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484041C1 |
MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2484040C1 |
MIX FOR MAKING GYPSUM BOARDS | 2009 |
|
RU2393131C1 |
MIXTURE FOR MAKING HEAT-INSULATION BOARDS | 2012 |
|
RU2482087C1 |
MIXTURE FOR MAKING GYPSUM BOARDS | 2011 |
|
RU2455251C1 |
MIXTURE FOR MAKING PHOSPHOGYPSUM BOARDS (VERSIONS) | 2012 |
|
RU2496737C1 |
Authors
Dates
2008-11-10—Published
2007-04-02—Filed