Phase change support material composition
First Claim
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1. A non-curable support material composition useful for three-dimensional ink jet printing to help create a part formed from a build material, the non-curable support material consisting of at least one jettable fatty alcohol of the structure CnH2n+1OH having a melting point between about 50°
- C. to about 65°
C. and a freezing point between about 45°
C. to about 55°
C. and a jettable rosin ester, the support material composition having a melting point higher than uncured build material used to form the part and a viscosity at about 80°
C. from about 10.0 to about 19.0 centipoise.
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Accused Products
Abstract
A jettable non-curable support material composition useful for three-dimensional ink jet printing comprising at least one fatty alcohol and at least one abietic rosin ester alcohol, wherein the support material has a melting point between about 50° C. to about 65° C. and a freezing point between about 45° C. to about 55° C.
32 Citations
11 Claims
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1. A non-curable support material composition useful for three-dimensional ink jet printing to help create a part formed from a build material, the non-curable support material consisting of at least one jettable fatty alcohol of the structure CnH2n+1OH having a melting point between about 50°
- C. to about 65°
C. and a freezing point between about 45°
C. to about 55°
C. and a jettable rosin ester, the support material composition having a melting point higher than uncured build material used to form the part and a viscosity at about 80°
C. from about 10.0 to about 19.0 centipoise. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- C. to about 65°
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11. A non-curable support material composition useful for three-dimensional ink jet printing to help create a part formed from a build material, the non-curable support material being jettable separately from the build material and of a different composition, the build material and support material composition being jettable at a temperature of about 80°
- C., the support material composition consisting of at least one jettable fatty alcohol of the structure CnH2n+1OH having a melting point between about 50°
C. to about 65°
C. and a freezing point between about 45°
C. to about 55°
C. and a jettable rosin ester, the support material composition having a melting point higher than uncured build material used to form the part and a viscosity at about 80°
C. from about 10.0 to about 19.0 centipoise.
- C., the support material composition consisting of at least one jettable fatty alcohol of the structure CnH2n+1OH having a melting point between about 50°
Specification
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Current Assignee3D Systems, Inc. (3D Systems Corporation)
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Original Assignee3D Systems, Inc. (3D Systems Corporation)
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InventorsXu, Pingyong, Doan, Vu A., Ruatta, Stephen A., Schmidt, Kris Alan
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Primary Examiner(s)SHOSHO, CALLIE E
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Application NumberUS10/186,447Publication NumberTime in Patent Office1,691 DaysField of Search524/487, 524/385, 524/270US Class Current524/270CPC Class CodesB29C 64/106 using only liquids or visco...B29C 64/112 using individual droplets, ...B29C 64/40 Structures for supporting 3...B33Y 10/00 Processes of additive manuf...B33Y 70/00 Materials specially adapted...C08K 5/01 Hydrocarbons C08K5/0091 tak...C08K 5/05 Alcohols; Metal alcoholatesC08L 91/06 WaxesC09D 11/101 Inks specially adapted for ...C09D 11/34 Hot-melt inksC09D 175/16 having terminal carbon-to-c...
