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1. (WO2016061060) METHOD FOR ADDITIVE MANUFACTURING

Pub. No.:    WO/2016/061060    International Application No.:    PCT/US2015/055266
Publication Date: Fri Apr 22 01:59:59 CEST 2016 International Filing Date: Wed Oct 14 01:59:59 CEST 2015
IPC: B29C 67/00
Applicants: DOW GLOBAL TECHNOLOGIES LLC
Inventors: PYZIK, Aleksander J.
MATTEUCCI, Scott T.
JIALANELLA, Gary L.
DERMODY, Daniel L.
LEUGERS, Mary Anne
Title: METHOD FOR ADDITIVE MANUFACTURING
Abstract:
An additive elastomeric manufactured part having an elongation at break of at least 50% may be made by a method comprising the following. A material comprising a prepolymer and filler is first dispensed through a nozzle to form an extrudate deposited on a base. The base, nozzle or combination thereof is moved while dispensing the material so that there is horizontal displacement between the base and nozzle in a predetermined pattern to form an initial layer of the material on the base. Subsequent layers are then formed on the initial layer by repeating the dispensing and movement on top of the initial layer and layers that follow.