公开(公告)号：US20230212327A1

公开(公告)日：2023-07-06

申请号：US17927761

申请日：2021-05-27

Applicant: BASF SE

Inventor： Herve DIETSCH ,  Nathan Dane WOOD ,  Lu ZHANG ,  John STEWART

IPC: C08F2/50 ,  C08F222/10 ,  B29C64/112 ,  B29C64/129

CPC classification number: C08F2/50 ,  C08F222/102 ,  C08F222/1065 ,  B29C64/112 ,  B29C64/129 ,  B33Y10/00

Abstract: Described herein are photopolymerizable compositions for use in 3D printing. The compositions contain dipropylene glycol diacrylate and one or more urethane acrylate oligomers, optionally with a photoinitiator. Also described are methods for fabricating three dimensional objects utilizing these compositions, and three dimensional objects made from these compositions.

公开(公告)号：US20210261468A1

公开(公告)日：2021-08-26

申请号：US17252592

申请日：2019-06-14

Applicant: BASF SE

Inventor： Elvira STESIKOVA ,  Mark Andrew GOETSCH ,  Nathan Dane WOOD ,  Sarah J. BOEHM

IPC: C04B35/634 ,  C04B35/14 ,  B28B1/00 ,  B33Y70/10 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y40/20

Abstract: Ceramic photoresin compositions include an ethylenically unsaturated UV curable composition and at least about 70 wt % of a ceramic composition and optionally a photoinitiator, a formulation additive, and/or UV absorbing agent. The composition may be useful for 3D printing applications.