Method for production of articles and semi-finished products made of cellulose acetate
AssigneeH2C S.R.L.
InventorOrfeo Cecchin
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Abstract
Method for production of articles and semi-finished products made of cellulose acetate, comprising the steps of recovering waste material consisting of cellulose acetate derived from previously made cellulose acetate articles and/or semi-finished products, distributing or positioning a mixture of at least one polymeric material inside a mould, heating and pressing the mixture inside the mould in order to form the articles or semi-finished products. The mixture is formed at least partially by the waste material consisting of cellulose acetate and the articles and/or semi-finished products may be subjected to a cooling and pressing step. The mixture is formed at least partially by fragments of cellulose acetate.
Claims19
Method for production of articles or semi-finished products made of cellulose acetate, comprising the following steps:
- recovering waste material consisting of cellulose acetate derived from previously made articles and/or semi-finished products;
- one or more of grinding and crushing the waste material in order to obtain solid fragments of cellulose acetate;
- distributing or positioning a mixture of at least one polymeric material inside a mold, said mixture being formed at least partially by the waste material consisting of the solid fragments of cellulose acetate;
- heating said mixture inside said mold;
- pressing said mixture inside said mold so as to form said articles or semi-finished products;
- and
- cooling the articles or semi-finished products.
Dependencies are inferred from the claim text.