Polybutylene terephthalate resin powder mixture
US11001046B2 · kind B2 · utility
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2References
6Claims
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Key dates
| Filing date | Oct 2, 2019 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Oct 2, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2067/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of producing polybutylene terephthalate resin shaped moldings includes supplying a 3D printer with a polybutylene terephthalate resin powder mixture that contains 100 parts by weight of a polybutylene terephthalate resin powder material having a mean diameter of more than 1 μm and 100 μm or less, a uniformity coefficient of 4 or less, and a terminal carboxyl group quantity of 35 eq/t or more and 50 eq/t or less, and 0.1 to 5 parts by weight of inorganic particles having a mean diameter of 20 to 500 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.