WATER-REPELLENT GYPSUM MORTAR
    53.
    发明专利

    公开(公告)号:ZA82931B

    公开(公告)日:1983-01-26

    申请号:ZA82931

    申请日:1982-02-12

    Applicant: HOECHST AG

    Abstract: A water-repellent gypsum mortar contains an agent conferring hydrophobic properties, which is composed of (a) a fatty amine of the formula in which R1 is C8-C22-alkyl, C8-C22-alkenyl or C8-C22-alkylphenyl, R2 and R3 are hydrogen, C1-C4-alkyl, C2-C4-alkenyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-hydroxyalkyl, phenyl, benzyl or a group of the formula -(CH2CH2O)nH and n is a number from 0 to 4, (b) a low-molecular acid and (c) an alkali metal siliconate.

    54.
    发明专利
    未知

    公开(公告)号:NO820423L

    公开(公告)日:1982-08-16

    申请号:NO820423

    申请日:1982-02-12

    Applicant: HOECHST AG

    Abstract: A water-repellent gypsum mortar contains an agent conferring hydrophobic properties, which is composed of (a) a fatty amine of the formula in which R1 is C8-C22-alkyl, C8-C22-alkenyl or C8-C22-alkylphenyl, R2 and R3 are hydrogen, C1-C4-alkyl, C2-C4-alkenyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-hydroxyalkyl, phenyl, benzyl or a group of the formula -(CH2CH2O)nH and n is a number from 0 to 4, (b) a low-molecular acid and (c) an alkali metal siliconate.

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