Membrane materials for photoreactive additive manufacturing
US10844211B2 · kind B2 · utility
2Cited by
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25Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 1, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Apr 9, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A photoreactive additive manufacturing system comprises a resin tub, a membrane, and a resin pool confined by the resin tub and the membrane. In some embodiments, the membrane comprises a polymeric blend comprising a first polymer and a second polymer, and the first polymer is a fluoropolymer. In some embodiments, the membrane comprises a polymer and an additive to control the free volume of the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.