Stratasys, Inc.

Covestro Deutschland Ag

Covestro Intellectual Property Gmbh & Co. Kg

Bernd Garska

Dirk Achten

Thomas König

Mathias Matner

Roland Wagner

Thomas Buesgen

Peter Reichert

Bettina Mettmann

Stephan Schubert

Jan Heijl

Michael Kessler

Rainer Bellinghausen

Erik Sluyts

Thomas Prenveille

Claudia Houben

Xiaoxin Yao

Bert Maes

Pieter Mampuys

A method for producing an object comprises the step of producing the object by means of an additive manufacturing process from a construction material. The construction material comprises a first polyurethane polymer which has: a weight percentage ratio of O to N of ≥2 to ≤2.5, determined by elementary analysis; a weight percentage ratio of N to C of ≥0.1 to ≤0.25, determined by elementary analysis; a full-width at half maximum of the melting peak of ≤20 K, determined by dynamic differential scanning calorimetry DSC (2heating at heating rate 20 k/min); and a difference between the melting temperature and the recrystallisation temperature of ≥5 K and ≤100 K, determined by dynamic differential scanning calorimetry DSC (2heating) at a heating and cooling rate of 20 K/min.

Additive manufacturing process using a building material having a high hard segment content

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Cologne, Germany

Bernd Garska