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1. (WO2017033159) PROCEDURE FOR THE PRODUCTION OF ARRANGEMENTS OF FOAMED POLYMER PARTICLES; ARRANGEMENTS OF FOAMED POLYMER PARTICLES AND RELATIVE ARTICLES

Pub. No.:    WO/2017/033159    International Application No.:    PCT/IB2016/055110
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: B29C 67/20
B29C 70/66
Applicants: A.P.I. APPLICAZIONI PLASTICHE INDUSTRIALI S.P.A.
ARTITEC S.R.L.
Inventors: BRUNETTI, Sergio
CHIMINELLO, Damiano
Title: PROCEDURE FOR THE PRODUCTION OF ARRANGEMENTS OF FOAMED POLYMER PARTICLES; ARRANGEMENTS OF FOAMED POLYMER PARTICLES AND RELATIVE ARTICLES
Abstract:
The invention refers to a process for the production of arrangements of foamed polymer particles, in particular sheets of foamed polymer particles, in which the particles are arranged in a compact order and mutually connected. The process comprises the following steps: preparing foamed polymer particles (101; 201 ) coated at least partially on the surface by a binding agent not yet activated; distributing (20) a determined amount of the particles on a surface until obtaining an arrangement of particles as a compact packing, in the two- dimensional case preferably with a packing density of > 0.70, more preferably > 0.75, even more preferably > 0.78, and most preferably > 0.90, and in the three-dimensional case preferably with a packing density of > 0.6, more preferably > 0.625; activating (22) the binding agent to connect the particles thus arranged to each other and fix the arrangement obtained. The invention further refers to a mono- or multilayer sheet that can be produced with said process and related articles, such as protections, saddles or elements for the building industry.