B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/117, 6/6, 400
B28B 7/38 (2006.01)
Patent
CA 1201254
- 14 - RELEASE COMPOSITION FOR HYDRAULIC BONDING MATERIALS, METHOD FOR FACILITATING UNMOLDING OF HYDRAULIC BONDING MATERIALS FROM MOLDS, AND METHOD FOR CASTING MOLDED, PRE-FORMED ARTICLES OF HYDRAULIC BONDING MATERIAL ABSTRACT OF THE DISCLOSURE The present invention relates to a release composition for facilitating the unmolding of bonding materials such as concretes from molds for purposes of pre-fabrication. Also disclosed are methods for facilitating the unmolding of such bonding materials by coating the mold with such release composition, and for casting molded, preformed articles which includes coating the mold prior to casting in order to facilitate the unmolding operations. The release composition according to the invention is an aqueous anti-freeze solution containing no petroleum based products. It comprises a combination of at least one active release constituent which may be an organic acid salt, at least one clarifying anti-freeze agent which may be a hydroxyethylether; at least one spreading agent which is an ester; at least one polyether lubricating agent; and water as a solvent medium, in variable proportion according to the desired concentration.
424403
Couleau Robert
Guicquero Jean P.
Robic Robic & Associes/associates
Societe Anonyme Chryso
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