3D printed composites from a single resin by patterned light exposures
US10788753B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 29, 2019 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Oct 29, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided herein are processes for the generation of composite polymer materials utilizing a single resin. The processes utilize diffusion between a region undergoing a polymerization reaction preferentially polymerizing one monomer component and an unreactive region. Diffusion and subsequent/concurrent polymerization results in a higher concentration of the more reactive monomer component in the reacting region and a higher concentration of the less reactive monomer components in the unreactive region. The unreactive region may be later polymerized. In embodiments, photopolymerization is used and the regions are generated by a mask or other mechanism to pattern the light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.