Production of high performance thermoplastic composites

Lisa Wikström (Inventor), Hannu Minkkinen (Inventor), Petri Jetsu (Inventor), Jani Lehmonen (Inventor), Karita Kinnunen (Inventor), Tuomo Hjelt (Inventor), Antti Ojala (Inventor), Kalle Nättinen (Inventor)

Research output: PatentPatent

Abstract

The present invention concerns a process for producing a thermoformable porous web using a mixture of cellulosic fibres and one or more thermoplastic materials, particularly by foam forming said mixture into a composite foam, and applying the foam into one or more layers on a support to obtain a porous pre-form web. The thus produced porous composite web can be further processed by compression moulding to give a rigid high-strength composite structure, which is suitable for use in producing, e.g. panels or plates, packages or hygiene products, insulators or filters, or printed intelligence, electronics or microcellulose products.

Patent family as of 12.11.2021
DE602014076652 D1 20210429 DE201460076652T 20141009      
EP3055350 A1 20160817 EP20140851493 20141009      
EP3055350 A4 20170614 EP20140851493 20141009      
EP3055350 B1 20210414 EP20140851493 20141009      
US10449694 BB 20191022 US20140028441 20141009      
US2016229088 AA 20160811 US20140028441 20141009      
WO15052382 A1 20150416 WO2014FI50769 20141009

Link to current patent family on right 

Original languageEnglish
Patent numberEP3055350
IPCD21F 11/ 00 A I
Priority date9/10/14
Publication statusPublished - 17 Aug 2016
MoE publication typeH1 Granted patent

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