Shaped articles made from expanded minerals

Details Shaped articles made from expanded minerals Shaped articles made from expanded minerals

C - Chemistry, Metallurgy

04

B

6/219, 6/221

C04B 28/26 (2006.01) C04B 20/10 (2006.01)

Patent

CA 1154909

Shaped articles made from expanded minerals Abstract of the disclosure: Shaped articles made from expanded minerals, obtained by solidifcation of a mixture of water glass, catalyst and an expanded mineral pretreated with a hydrophobizing agent which comprises substantially a) a fatty amine of the formula Image in which R1 is C8-C22, preferably C14-C22-alkyl or -alkenyl, or C8-C22-alkylphenyl, R2 and R3 each are hydro- gen, C1-C4-alkyl or -alkenyl, phenyl or benzyl, and 0 is 4 number of from 0 to 4; b) a fatty acid of the formula R5CO(OCH2CH2)mOH or a fatty alcohol of the formula R6(OCH2CH2)mOH in which formulae R5 is C8-C22, preferably C14-C22-alkyl or -alkenyl, R6 is C9-C23, preferably C15-C23-alkyl or -alkenyl, and m is a number of from 0 to 2; and c) a low molecular weight acid.

371902

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