公开(公告)号：US20250129263A1

公开(公告)日：2025-04-24

申请号：US18685541

申请日：2022-08-03

Applicant: BASF SE

Inventor： Wei Zheng FAN ,  Zhi Zhong CAI ,  Li CHEN ,  Chong Xi WANG

IPC: C09D175/14 ,  B29C64/124 ,  B29K75/00 ,  B29K96/04 ,  B29K105/00 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  C09D175/12

Abstract: The present invention relates to a curable composition, which comprises: (A) at least one unreactive blocked diisocyanate; (B) at least one unreactive blocked diamine; (C) at least one reactive component; and (D) at least one photo-initiator, wherein component (B) is formed by blocking diamine with a ligand; to a process of forming a 3D-printed object from the same and a 3D-printed object prepared therefrom. The curable composition exhibits excellent long-term stability, while the 3D-printed object obtained therefrom maintains good mechanical properties

公开(公告)号：US20240240041A1

公开(公告)日：2024-07-18

申请号：US18558420

申请日：2022-04-29

Applicant: BASF SE

Inventor： Fan ZHANG ,  Jie LU ,  Chong Xi WANG ,  Zhi Zhong CAI

IPC: C09D11/38 ,  B29C64/112 ,  B29C64/124 ,  B29C64/40 ,  B33Y10/00 ,  B33Y70/10 ,  B33Y80/00

CPC classification number: C09D11/38 ,  B29C64/112 ,  B29C64/124 ,  B29C64/40 ,  B33Y10/00 ,  B33Y70/10 ,  B33Y80/00

Abstract: This disclosure relates to a radiation-curable composition comprising (A) at least one water-soluble monofunctional ethylenically unsaturated monomer; (B) at least one water-soluble non-curable component, wherein the weighted average melting point of component (B) is more than 22° C. preferably more than 25° C.; and (C) at least one photoinitiator.

公开(公告)号：US20240141086A1

公开(公告)日：2024-05-02

申请号：US18278445

申请日：2022-02-11

Applicant: BASF SE

Inventor： Fan ZHANG ,  Chong Xi WANG ,  Zhi Zhong CAI

IPC: C08F226/10 ,  B29C64/129 ,  C08F2/50 ,  C08F222/10 ,  C08G59/24 ,  C08G59/42 ,  C08G59/50 ,  C08K5/5397 ,  C09D11/101

CPC classification number: C08F226/10 ,  B29C64/129 ,  C08F2/50 ,  C08F222/102 ,  C08F222/1065 ,  C08F222/1067 ,  C08G59/245 ,  C08G59/42 ,  C08G59/5033 ,  C08K5/5397 ,  C09D11/101 ,  B33Y10/00

Abstract: This disclosure relates to a curable composition comprising (a) at least one light polymerizable liquid; (b) at least one epoxy precursor dissolved in component (a); and (c) at least one photoinitiator; wherein the curable composition exhibits no more than 15% increase in viscosity at 25° C. after 7 days at room temperature.