Patent · US Active

Coloured curable composition for additive manufacturing processes, 3-dim composite article and use thereof

US11583373B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Gioacchino Raia · Türkenfeld, DE
Adrian S. Eckert · Herrsching am Ammersee, DE
Malte Korten · Moorenweis, DE
Martin Goetzinger · Unterschleißheim, DE

Key dates

Filing date	Aug 14, 2017
Grant date	Feb 21, 2023
Priority date	—
Expiry date	Jun 12, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a coloured curable composition for use in an additive manufacturing process, the composition comprising a curable resin composition comprising radiation curable components, a photo initiator, a dye composition comprising a dye D1 and a dye D2, dye D1 having a light absorption maximum within a wave length range from 400 to 530 nm, dye D2 showing a light absorption maximum within a wave length range from 540 to 650 nm. The invention also relates to a 3-dim composite article obtained by processing the curable composition in an additive manufacturing process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.