Soluble material and process for three-dimensional modeling
First Claim
Patent Images
1. A composition for making a three-dimensional object, the composition comprising a plasticizer and a base polymer, the base polymer comprising a carboxylic acid, wherein the composition is soluble in an alkaline solution.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention is a composition for making a three-dimensional object. The composition comprises a plasticizer and a base polymer, where the base polymer comprises a carboxylic acid, where the composition is soluble in an alkaline solution.
141 Citations
38 Claims
- 1. A composition for making a three-dimensional object, the composition comprising a plasticizer and a base polymer, the base polymer comprising a carboxylic acid, wherein the composition is soluble in an alkaline solution.
- 12. A composition for making a three-dimensional object, the composition comprising a carboxylic acid-containing polymer, wherein the composition is soluble in an alkaline solution, and wherein the composition exhibits a melt flow index of about 10 grams/10 minutes or less when tested pursuant to ASTM D1238 under a 1.2 kilogram load at 230°
-
22. A method of making a three-dimensional article, the method comprising:
-
depositing a composition comprising a base polymer derived from a carboxylic acid, wherein the composition is soluble in an alkaline solution, and wherein the composition exhibits a melt flow index of about 10 grams/10 minutes or less when tested pursuant to ASTM D1238 under a 1.2 kilogram load at 230°
C.; and
allowing the composition to solidify. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
-
33. In a process for making a three-dimensional object by dispensing solidifiable modeling material in a predetermined pattern so as to define the three-dimensional object in coordination with dispensing solidifiable support material so as to define a support structure for the three-dimensional object, the support structure thereby having portions thereof in contact with the object, the improvement comprising:
forming at least those portions of the support structure contacting the object from a thermoplastic material comprising a carboxylic acid-containing polymer, wherein the composition is soluble in an alkaline solution, and wherein the composition exhibits a melt flow index of about 10 grams/10 minutes or less when tested pursuant to ASTM D1238 under a 1.2 kilogram load at 230°
C.- View Dependent Claims (34)
-
35. An additive process for making three-dimensional objects, comprising:
-
dispensing an alkali-insoluble modeling material in a predetermined pattern defining a three-dimensional object having overhanging portions that require support during formation; and
dispensing a support material in the space beneath the overhanging portions of the three-dimensional object in coordination with the dispensing of the modeling material to form a three-dimensional support structure for the object, the support material comprising a carboxylic acid-containing polymer, wherein the composition is soluble in an alkaline solution, and wherein the composition exhibits a melt flow index of about 10 grams/10 minutes or less when tested pursuant to ASTM D1238 under a 1.2 kilogram load at 230°
C.;
whereby the support material may be dissolved from the three-dimensional object by application of an alkaline solution. - View Dependent Claims (36, 37)
-
-
38. In a process for making three-dimensional objects by depositing solidifiable material onto a base, the improvement comprising:
providing as the solidifiable material a carboxylic acid-containing polymer, wherein the composition is soluble in an alkaline solution, and wherein the composition exhibits a melt flow index of about 10 grams/10 minutes or less when tested pursuant to ASTM D1238 under a 1.2 kilogram load at 230°
C.
Specification