Title: Method for producing coloured cobblestones or stone powder
Application Number: 92100829 Application Date: 1992.01.31
Publication Number: 1064287 Publication Date: 1992.09.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C09C3/10
Applicant(s) Name: Guangyuan Applied Tech. Inst. Address: 628000
Inventor(s) Name:
Attorney & Agent: ZHANG JIANSHENG
Abstract:
     This productive method of coloured pebble or cobble powder, which are used as decorative building material, features as follows: after pebble or cobble powder is sorted on required number of meshes, a coloured resin milk is prepared from thermally solidified urea-formaldehyde resin, solidifying agent and needed pigment or organic or inorganic dye; said coloured milk and pebble or cobble powder are mixed together for uniform colouring; and through solidification and agglutination. The product is noted for its firm and stable colour, water resistance and ageing.
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