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US 10,253,195 B2Granted
Coreactive materials and methods for three-dimensional printing
AssigneePPG Industries Ohio, Inc.
InventorsDavid R. Fenn, Kurt G. Olson, Reza M. Rock, Cynthia Kutchko, Susan F. Donaldson, Hao Sun
Life of this patent
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Abstract
Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed.
Claims41
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition is characterized by a shear storage modulus G′ and a shear loss modulus G″, wherein,
- the initial G″/G′ ratio is less than 2;
- the initial G′ is greater than 1,500;
- the G′ at 6 minutes is greater than 500,000 Pa;
- and
- the G″ at 6 minutes is greater than 400,000 Pa;
- wherein,
- the initial G″/G′ ratio and the initial G′ refer to values measured within 30 seconds after the first component and the second component are mixed;
- the G′ and G″ after 6 minutes refers to the values measured 6 minutes after the first component and the second component are mixed;
- and
- the shear storage modulus G′ and the shear loss modulus G″ are measured using a rheometer with a gap from 1 mil to 2 mils, with a 25 mm-diameter parallel plate spindle, an oscillation frequency of 1 Hz and amplitude of 0.3%, and with a rheometer plate temperature of 25° C.
14 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition is characterized by a shear storage modulus G′ and a shear loss modulus G″, wherein,
- the initial G″/G′ ratio is less than 1.5;
- the initial G′ is greater than 2,000 Pa;
- the G′ at 6 minutes is greater than 1,000,000 Pa;
- and
- the G″ at 6 minutes is greater than 600,000 Pa.;
- wherein,
- the initial G″/G′ ratio and the initial G′ refer to values measured within 30 seconds after the first component and the second component are mixed;
- the G′ and G″ after 6 minutes refers to the values measured 6 minutes after the first component and the second component are mixed;
- and
- the shear storage modulus G′ and the shear loss modulus G″ are measured using a rheometer with a gap from 1 mil to 2 mils, with a 25 mm-diameter parallel plate spindle, an oscillation frequency of 1 Hz and amplitude of 0.3%, and with a rheometer plate temperature of 25° C.
14 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition is characterized by a viscosity from 5,000 cP to 5,000,000 cP, measured using a rheometer with a gap from 1 mm to 2 mm, a shear rate of 0.1 s−1 at a temperature of 25 C.
4 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition is characterized by a cross-sectional profile having a first portion and a second portion.
4 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein each of the first functional group and the second functional group does not comprise an acrylate group or a methacrylate group.
4 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition comprises a catalyst, wherein the catalyst catalyzes the reaction between the first functional group and the second functional group.
4 more elements
A composition for three-dimensional printing, comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein the second functional group is reactive with the first functional group;
- wherein at least one of the first functional group and the second functional group comprises a saturated functional group;
- and
- wherein the composition is not curable using actinic radiation.
4 more elements
A composition comprising:
- a first component comprising a first functional group;
- and
- a second component comprising a second functional group,
- wherein,
- the first component comprises a polyamine and the second component comprises a polyisocyanate;
- the first component comprises a polyalkenyl compound and the second component comprises a polythiol;
- the first component comprises a Michael addition acceptor and the second component comprises a Michael addition donor;
- or
- a combination of any of the foregoing;
- wherein the composition is characterized by a shear storage modulus G′ and a shear loss modulus G″, wherein,
- the initial G″/G′ ratio is less than 2;
- the initial G′ is greater than 1,500 Pa;
- the G′ at 6 minutes is greater than 500,000 Pa;
- and
- the G″ at 6 minutes after mixing is greater than 400,000 Pa;
- wherein,
- the shear storage modulus G′ and the shear loss modulus G″ are measured using a rheometer with a gap from 1 mil to 2 mils, with a 25 mm-diameter parallel plate spindle, an oscillation frequency of 1 Hz and amplitude of 0.3%, and with a rheometer plate temperature of 25° C.
14 more elements
Dependencies are inferred from the claim text.