A CURABLE POLYURETHANE BASED RESIN FOR USE IN ADDITIVE MANUFACTURING
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United States of America Patent
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Aug 4, 2022
app pub date -
Jun 11, 2020
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Jun 14, 2019
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Abstract
A liquid curable polyurethane based resin comprising a) polyurethane compounds which are functionalized with reactive ethylenically unsaturated moieties, b) at least one reactive diluent compound having at least one ethylenically unsaturated functional group and c) at least one photo-initiator for making polymerized/cured polyurethane based materials having elongation at break values of >100%, preferably >125%, most preferably >150% and a tensile strength of >5 MPa, more preferably >7 MPa, most preferably >10 MPa (both measured according to DIN 53504 S2).
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