公开(公告)号：US11180594B2

公开(公告)日：2021-11-23

申请号：US16957820

申请日：2018-12-19

Applicant: DSM IP Assets B.V.

Inventor： Kangtai Ren ,  Robin Papachristopoulos

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08F220/18 ,  B33Y70/00 ,  C09B11/24 ,  G01P5/20 ,  B29C64/135

Abstract: Radiation curable compositions for additive fabrication processes, the components cured therefrom, and their use in particle image velocimetry testing methods are described and claimed herein. Such compositions include compounds which induce free-radical polymerization, optionally compounds which induce cationic polymerization, a filler constituent, and a light absorbing component, wherein the compositions are configured to possess certain absorbance values at wavelengths commonly utilized in particle image velocimetry testing. In another embodiment, the compositions include a fluoroantimony-modified compound. Such compositions may be used in particle imaging velocimetry testing methods, wherein the test object utilized is created via additive fabrication and is of a substantially homogeneous construction.

公开(公告)号：US20180163075A1

公开(公告)日：2018-06-14

申请号：US15329633

申请日：2015-08-17

Applicant: DSM IP ASSETS B.V.

Inventor： Kangtai REN ,  Huimin CAO ,  Wendell Wayne CATTRON ,  Robin Papachristopoulos

IPC: C09D133/10 ,  C08F2/48 ,  C03C25/1065 ,  C03C25/326 ,  C08F222/10 ,  C08L75/14

CPC classification number: C09D133/10 ,  C03C25/1065 ,  C03C25/26 ,  C03C25/285 ,  C03C25/326 ,  C08F2/48 ,  C08F216/125 ,  C08F222/1006 ,  C08F2222/1013 ,  C08F2222/1086 ,  C08L75/14 ,  C09D4/00 ,  C08F2222/102

Abstract: Described herein is a method for coating optical fiber where the coating has been cured by application of a source of monochromatic actinic radiation, such as a light emitting diode, wherein the coating contains a urethane(meth)acrylate oligomer; a (meth)acrylate diluent monomer; a diluent monomer having an electron donating group adjacent to the vinyl group, such as a vinyl ether monomer; and a photoinitiator. Also described are compositions which are capable of undergoing photopolymerization when coated on an optical fiber and when irradiated by a light emitting diode (LED) with improved surface cure and reduced yellowing. Also described are the coated optical fibers produced by such processes and compositions.

公开(公告)号：US10526469B2

公开(公告)日：2020-01-07

申请号：US15917928

申请日：2018-03-12

Applicant: DSM IP Assets, B.V.

Inventor： Mingbo He ,  Beth Rundlett ,  Kangtai Ren ,  Caroline Liu ,  TaiYeon Lee ,  Brad Seurer ,  Robin Papachristopoulos

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08K3/36 ,  G03F7/00 ,  G03F7/004 ,  G03F7/038 ,  C08F222/10 ,  C08L33/10 ,  B33Y70/00 ,  B29K63/00 ,  B29K105/00 ,  B29K105/24 ,  B29K509/02

Abstract: Matrix-filled liquid radiation curable resin compositions for additive fabrication are described and claimed. Such resins include a cationically polymerizable component that is an aliphatic epoxide, a multifunctional (meth)acrylate component, a cationic photoinitiator, a free-radical photoinitiator, and a matrix of inorganic fillers, wherein the matrix further constitutes prescribed ratios of at least one microparticle constituent and at least one nanoparticle constituent. Also described and claimed is a process for using the matrix-filled liquid radiation curable resins for additive fabrication to create three dimensional parts, and the three-dimensional parts made from the liquid radiation curable resins for additive fabrication.

公开(公告)号：US09951198B2

公开(公告)日：2018-04-24

申请号：US14951743

申请日：2015-11-25

Applicant: DSM IP Assets B.V.

Inventor： Mingbo He ,  Beth Rundlett ,  Kangtai Ren ,  Caroline Liu ,  Tai Yeon Lee ,  Brad Seurer ,  Robin Papachristopoulos

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08K3/36

CPC classification number: C08K3/36 ,  B29C64/135 ,  B29K2063/00 ,  B29K2105/0088 ,  B29K2105/246 ,  B29K2509/02 ,  B33Y70/00 ,  C08F2/50 ,  C08F222/1006 ,  C08K2201/011 ,  C08L33/10 ,  G03F7/0037 ,  G03F7/0045 ,  G03F7/0047 ,  G03F7/027 ,  G03F7/038 ,  Y10T428/31511

Abstract: Matrix-filled liquid radiation curable resin compositions for additive fabrication are described and claimed. Such resins include a cationically polymerizable component that is an aliphatic epoxide, a multifunctional (meth)acrylate component, a cationic photoinitiator, a free-radical photo initiator, and a matrix of inorganic fillers, wherein the matrix further constitutes prescribed ratios of at least one microparticle constituent and at least one nanoparticle constituent. Also described and claimed is a process for using the matrix-filled liquid radiation curable resins for additive fabrication to create three dimensional parts, and the three-dimensional parts made from the liquid radiation curable resins for additive fabrication.