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US 12,503,396 B2Granted
Process for the manufacture of articles made of conglomerate material
AssigneeBreton SPA
InventorsLuca Toncelli, Fabio Bassetto, Stefano Zeggio
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Abstract
The present invention relates to a process for the manufacture of articles made of conglomerate material, more particularly in the form of slabs or blocks, starting from a mixture comprising an optionally expanded granulate of stone material or lithoid material, and a binder based on a resin obtained from acrylate vegetal oils. The present invention also relates to the articles thus obtained.
Claims16
A process for the manufacture of articles made of conglomerate material, comprising the following steps:
- a) preparation of an initial mixture containing an optionally expanded granulate of either stone material or lithoid material, and a binding resin obtained by reacting at least one epoxidized-acrylate or acrylate vegetal oil and at least one acrylate monomer, and characterized in that the mixture has a viscosity comprised between about 300 and 600 mPas, at 20-25° C.;
- b) deposition of said mixture on a temporary support or in a mould;
- c) compaction of said mixture following said deposition;
- d) curing of said binding resin at a temperature between 80° C. and 130° C. to obtain said conglomerate material.
1 more element
Dependencies are inferred from the claim text.