IP Library Granted Patent US 11,602,412
Granted Patent B2
US 11,602,412 · App. 16/463,560 · Granted Mar 14, 2023

Printable compositions including polymeric and polymerizable components, articles, and methods of making articles therefrom

Inventors: Zeba Parkar (Marietta, GA); Alexander J. Huffman (St. Paul, MN); Mahfuza B. Ali (Mendota Heights, MN); Stephen A. Johnson (Woodbury, MN); Victor Ho (St. Paul, MN)
Assignee: 3M Innovative Properties Company
A61C7/08A61K6/887A61K6/893B29C64/124B29C64/20B29C64/393B33Y10/00B33Y30/00B33Y50/02B33Y70/10C08F220/68C08L75/04B29K2101/12B29L2031/7532C08L2201/56
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Quick Facts
Patent No.
US 11,602,412
App. No.
16/463,560
Granted
Mar 14, 2023
Kind
B2
Abstract

The present disclosure provides a printable composition. The printable composition includes a polymer, a polymerizable component, a temporary solvent, a photoinitiator, and optionally an inhibitor. The present disclosure also provides an article including an integral blend of a thermoset polymer and a second polymer different from the thermoset polymer. Further, the present disclosure provides a method of making an article. The method includes (i) providing a printable composition; (ii) selectively curing the printable composition to form a gelled article; and (iii) removing at least a portion of the temporary solvent from the gelled article. The method may optionally include (iv) curing unpolymerized polymerizable component remaining before or after step (iii). Also, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a plurality of layers of an article, the article including: an integral blend of 8 to 50 wt. %, inclusive, of a thermoset polymer and 30 to 90 wt. %, inclusive, of a second polymer different from the thermoset polymer, wherein the weight percent is based on the total weight of the article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object. A system is provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article.

Claims (12)

1. A printable composition comprising:

(a) 15 to 50 wt. %, inclusive, of a polymer selected from the group consisting of polyolefin, sulfopolyester, and polyethylene terephthalate;

(b) 10 to 25 wt. %, inclusive, of a polymerizable component;

(c) 10 to 80 wt. %, inclusive, of a temporary solvent, wherein the temporary solvent comprises water;

(d) 0.1 to 5 wt. %, inclusive, of a photoinitiator; and

(e) an optional inhibitor in an amount of 0.001 to 1 wt. %, inclusive, if present; based on the total weight of the printable composition.

2. The printable composition of claim 1 , wherein the polymer comprises a weight average molecular weight of 20,000 grams per mole or greater.

3. The printable composition of claim 1 , wherein the polymer is selected from the group consisting of polyethylene (PE), polypropylene, sulfopolyester, polyethylene terephthalate (PET), and combinations thereof.

4. The printable composition of claim 1 , wherein the polymerizable component comprises urethane groups, epoxy groups, or both.

5. The printable composition of claim 1 , wherein the printable composition has a viscosity of 15,000 cP or less at 25° C. using a #1 spindle.

6. The printable composition of claim 1 , wherein the polymerizable component comprises an acrylate and/or a methacrylate.

7. The printable composition of claim 1 , wherein the polymerizable component comprises a poly(meth)acrylate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: 3M INNOVATIVE PROPERTIES COMPANY
To: SOLVENTUM INTELLECTUAL PROPERTIES COMPANY
Reel/Frame 066430/0295 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 23, 2019
From: PARKAR, ZEBA; HUFFMAN, ALEXANDER J.; ALI, MAHFUZA B.; JOHNSON, STEPHEN A.; HO, VICTOR
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 049267/0801 →