Mould-stripping method

Details Mould-stripping method Mould-stripping method

B - Operations, Transporting

28

B

B28B 7/38 (2006.01) C10M 105/38 (2006.01) C10M 105/40 (2006.01)

Patent

CA 2519757

The invention relates to a method of improving the removal of concrete-, plaster- or clay-based pieces from a mould. According to the invention, a composition is applied to the mould, said composition containing less than 0.2 % water comprising an ester of a fatty acid with between 4 and 24 carbon atoms and of a neopentylpolyol bearing at least three hydroxyl groups.

Cette invention concerne un procédé pour améliorer le démoulage de pièces à base de béton, de plâtre ou d'argile comprenant l'application sur le moule d'une composition dont la concentration en eau est inférieure à 0,2% comprenant un ester d'un acide gras de 4 à 24 atomes de carbone et d'un néopentylpolyol portant au moins trois groupes hydroxyle.

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