Polylactic acid resin composition for 3D printing
US10246799B2 · kind B2 · utility
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Key dates
| Filing date | Aug 21, 2015 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Mar 16, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2067/046
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polylactic acid resin composition, which comprises: a hard segment containing a polylactic acid repeat unit; and a soft segment containing a polyurethane polyol repeat unit in which polyether-based polyol repeat units are linearly connected to each other via a urethane linkage, can be processed at low temperatures and at high rates, has a high solidification rate, and is eco-friendly, due to a low melting point thereof, and thus is useful for 3D printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.