公开(公告)号：US20200247932A1

公开(公告)日：2020-08-06

申请号：US16652223

申请日：2018-10-01

Applicant: BASF SE

Inventor： Paul E SHARE ,  David CHEN ,  Stephen GODLEW ,  Emma Louise COURY

IPC: C08F290/06 ,  C08G18/44 ,  C08G18/67 ,  C08G18/75 ,  C08G18/73 ,  B33Y10/00 ,  B33Y70/00

Abstract: Described herein is a composition including one or more ethylenically unsaturated monomers and (a) one or more oligomers represented by Formula (I): wherein: A is derived from one or more poly hydroxyl group compounds having a number average molecular weight (Mn) from about 250 to about 3000 g/mol; D, X, and Y are independently urethane or carbamate linkages derived from one or more polyisocyanates; Q and Z are independently derived from one or more compounds having at least one ethylenically unsaturated group; n is an integer from 1 to 20; and m is an integer from 0 to 20; or (b) one or more commercial urethane acrylates; or (c) a combination of (a) and (b); wherein the composition is a 3D UV curable composition.

公开(公告)号：US20240316858A1

公开(公告)日：2024-09-26

申请号：US18572205

申请日：2022-06-21

Applicant: BASF SE

Inventor： Emma Louise COURY ,  Herve DIETSCH

IPC: B29C64/129 ,  B29K33/00 ,  B29K75/00 ,  B29K105/00 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/10

CPC classification number: B29C64/129 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/10 ,  B29K2033/08 ,  B29K2075/00 ,  B29K2105/0002 ,  B29K2105/0005

Abstract: The present disclosure provides photocurable compositions suitable for three-dimensional printing comprising at least one highly crosslinkable acrylate monomer, at least one elastic urethane acrylate oligomer, and a photoinitiator package comprising bis(.cta.5-2,4-cyclopentadien-1-yl)-bis(2,6-difluoro-3-(1H-pyrrol-1-yl)-phenyl) titanium (Irgacure 784), Genomer 7302, and bis-acylphosphine oxide (BAPO).