FIELD: chemistry.
SUBSTANCE: invention can be used to seal assemblies of aircraft structures operating in a wide temperature range. The heat- and fuel-resistant sealing composition based on polydimethylmethyl(hexafluoroalkyl)siloxane polymer of formula , where Rf
,
, n=99-50, m=1-50, l=3-15, includes mineral filler selected from zinc oxide, titanium dioxide, silicon dioxide, a structure forming agent - tetraethoxysilane or ethyl silicate and a catalyst - tin salt.
EFFECT: invention enables to obtain sealants which are curable at room temperature and have high heat- and fuel resistance.
2 cl, 1 tbl, 6 ex
Title | Year | Author | Number |
---|---|---|---|
SEALING COMPOSITION | 2002 |
|
RU2223296C1 |
SEALING COMPOSITION | 2004 |
|
RU2290424C2 |
POLYDIMETHYLMETHYL(HEXAFLUOROALKYL)SILOXANES FOR HEAT-, OIL- AND PETROL-RESISTANT MATERIALS | 2013 |
|
RU2527968C1 |
LOW-VISCOSITY SILOXANE COMPOSITION | 2007 |
|
RU2356117C2 |
COLD-SOLIDIFICATION ORGANOSILICON COMPOSITION | 2002 |
|
RU2231532C1 |
COMPOSITION BASED ON LIQUID SILOXANE RUBBER FOR COATING ROLLED TEXTILE MATERIAL | 2008 |
|
RU2370510C1 |
LIQUID SILOXANE RUBBER BASED COMPOSITION FOR ROLLED TEXTILE MATERIAL COATINGS | 2011 |
|
RU2458090C1 |
SILOXANE MATERIAL AND METHOD FOR PRODUCTION THEREOF | 2011 |
|
RU2503695C2 |
SEALING COMPOSITION | 2005 |
|
RU2288925C1 |
HARDENING MIXTURE FOR LIQUID SILOXANE RUBBER CONTAINING TERMINAL SILANOL GROUPS | 1991 |
|
RU2010820C1 |
Authors
Dates
2014-12-10—Published
2013-02-12—Filed