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1. (WO2017155389) METHOD FOR THE PREPARATION OF AN ARTICLE

Pub. No.:    WO/2017/155389    International Application No.:    PCT/NL2017/050133
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Wed Mar 08 00:59:59 CET 2017
IPC: B29C 51/42
Applicants: WILLEMSEN, Louis Rinze Henricus Adrianus
Inventors: CLARIJS, Egidius Petrus Gerardus
Title: METHOD FOR THE PREPARATION OF AN ARTICLE
Abstract:
Described is a method for the preparation of an article, in particular a biodegradable article,from a thermoplastic composition comprising starch by thermoforming, comprising the steps of providing a sheet of the thermoplastic composition in rubber phase at a temperature of at least 100°C, stretching the sheet into or onto a mould,cooling the sheet to form the article,remove the article from the mould,wherein the mould in step b. has a temperature of 5°C or less, the sheet in step c. is cooled to a temperature of 40°C or less, steps b. and c. being performed in 10 s. or less. Further, a thermoformed article, obtainable by the said method and the use of such an article is described.