FIELD: chemistry.
SUBSTANCE: present invention pertains to aviation and rocket technology, mainly to making rocket antenna domes. The method of making composite material based on sintered silicon dioxide involves saturating the work piece with an acetone solution of phenol-formaldehyde resin for a period of 1-2 hours. The work piece is then dried in air, saturated with an acetone solution of a mixture of phenol-formaldehyde and silicon resin in ratio of 1:1 and then polymerised.
EFFECT: increased strength and thermal stability of the product.
3 ex
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