Plastic and nonmetallic article shaping or treating: processes – Stereolithographic shaping from liquid precursor
Patent
1997-06-12
1999-01-05
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Stereolithographic shaping from liquid precursor
106 313, 106 3162, 264308, 36446827, 524 62, 524277, 524296, 524495, 524563, 524577, B29C 3508, B29C 4102
Patent
active
058558365
ABSTRACT:
A novel thermopolymer material adapted for use in thermal stereolithography. More particularly, a thermopolymer material comprising a mixture of: a low shrinkage polymer resin; a low viscosity material such as paraffin wax; at least one microcrystalline wax; a toughening polymer, a plasticizer. Alternative embodiments further include components to improve the materials ability to transfer heat and to improve strength. The subject material, together with the described process greatly reduce part building distortions while retaining desirable toughness, strength and jetting properties.
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Hull Charles W.
Leyden Richard N.
3-D Systems, Inc.
Ram Michael J.
Smalley Dennis R.
Tentoni Leo B.
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