公开(公告)号：US20190185602A1

公开(公告)日：2019-06-20

申请号：US15843317

申请日：2017-12-15

Applicant: Rohm and Haas Electronic Materials LLC

Inventor： Lujia Bu ,  Yusuke Matsuda ,  Michael Mulzer

IPC: C08F222/22 ,  C09D135/02

CPC classification number: C08F222/22 ,  C08F2800/20 ,  C09D135/02

Abstract: The present invention provides ultraviolet (UV) curing acrylic compositions for use in making thermoformable hard coats for curved optical displays comprising: (a) one or more multifunctional (meth)acrylate diluents chosen from (a1) an aliphatic trifunctional (meth)acrylate monomer; (a2) an aliphatic tetrafunctional (meth)acrylate monomer; or (a3) an aliphatic pentafunctional (meth)acrylate monomer; (b) from 3 to 30 wt. %, based on the total weight of monomer solids, of one or more one (meth)acrylate monomer containing an isocyanurate group; (c) from 5 to 40 wt. %, based on the total weight of monomer solids, of one or more aliphatic urethane (meth)acrylate functional oligomer having from 6 to 12 (meth)acrylate groups; (d) from 2 to 10 wt. %, based on total monomer solids, of one or more UV radical initiators; and (e) one or more organic solvents for the monomer composition. The composition has a viscosity measured by Anton Parr ASVM 3001 digital viscometer at 50 wt. % solids of from 10 to 200 centipoise (cPs).

公开(公告)号：US20210115289A1

公开(公告)日：2021-04-22

申请号：US17134578

申请日：2020-12-28

Applicant: Rohm and Haas Electronic Materials LLC

Inventor： Lujia Bu ,  Yusuke Matsuda ,  Michael Mulzer ,  Yinjie Cen

IPC: C09D133/14 ,  C08G63/688 ,  C08F220/18 ,  C08F2/50 ,  C08F220/34 ,  C08K5/3492

Abstract: The present invention provides a thermoformable and optically clear hard coat comprising a polyacrylate resin and 5 wt. % or less of inorganic nanoparticles with an average particle size of 100 nm or less in diameter based on total weight of resin solid. The polyacrylate resin is derived from polymerizing and curing ultraviolet (UV) curing acrylic compositions for use in making thermoformable hard coats for curved optical displays comprising (a) from 9 to 70 wt. %, based on the total weight of monomer solids, of an aliphatic tetrafunctional (meth)acrylate monomer or an aliphatic pentafunctional (meth)acrylate monomer; (b) from 3 to 30 wt. %, based on the total weight of monomer solids, of one or more one (meth)acrylate monomer containing an isocyanurate group; (c) from 5 to 55 wt. %, based on the total weight of monomer solids, of one or more aliphatic urethane (meth)acrylate functional oligomer having from 6 to 24 (meth)acrylate groups; (d) from 2 to 10 wt. %, based on total monomer solids, of one or more UV radical initiators; (e) from 10 to 30 wt. %, based on the total weight of (a), (b), (c), and (d), of one or more sulfur-containing polyol (meth)acrylates; and (f) one or more organic solvents for the monomer composition.

公开(公告)号：US20190185710A1

公开(公告)日：2019-06-20

申请号：US16208983

申请日：2018-12-04

Applicant: Rohm and Haas Electronic Materials LLC

Inventor： Michael Mulzer ,  Yusuke Matsuda

IPC: C09D183/12 ,  C09D7/63 ,  C09D7/40 ,  C08K5/00 ,  C08J7/04

CPC classification number: C09D183/12 ,  C08G77/46 ,  C08J7/04 ,  C08J2367/02 ,  C08J2379/08 ,  C08K5/0025 ,  C09D7/63 ,  C09D7/67 ,  C09D7/68

Abstract: A curable composition comprising an epoxy-siloxane oligomer comprising as polymerized units one or more difunctional silane monomers of formula (1) and one or more trifunctional silane monomers of formula (2) in a mole ratio of 95:5 to 10:30 Si(R1)(R2)(Y1)2   (1) SiR3(Y2)3   (2) wherein R1, R2, and R3 are independently chosen from a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring, C1-20-alkyl, C6-30-aryl group, and a C5-20-aliphatic group having one or more heteroatoms; each Y1 and Y2 is independently chosen from halogen, C1-4-alkoxy, and —O—C1-4-acyl group; wherein at least one of R1, R2, and R3 is a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring; (b) organic particles having an average diameter of 50 to 250 nm; (c) a reactive carrier having one or more epoxy moieties or oxetane moieties; (d) a curing agent; and (e) one or more organic solvents, and methods of forming cured coatings using such compositions are described.

公开(公告)号：US10858541B2

公开(公告)日：2020-12-08

申请号：US16208983

申请日：2018-12-04

Applicant: Rohm and Haas Electronic Materials LLC

Inventor： Michael Mulzer ,  Yusuke Matsuda

IPC: C09D183/12 ,  C09D7/63 ,  C09D7/40 ,  C08J7/04 ,  C08K5/00 ,  C08G77/06 ,  C08J3/24 ,  C09D183/06 ,  C08G77/00 ,  C08G77/14 ,  C08G77/18 ,  C08G77/46

Abstract: A curable composition comprising an epoxy-siloxane oligomer comprising as polymerized units one or more difunctional silane monomers of formula (1) and one or more trifunctional silane monomers of formula (2) in a mole ratio of 95:5 to 10:30 Si(R1)(R2)(Y1)2  (1) SiR3(Y2)3  (2) wherein R1, R2, and R3 are independently chosen from a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring, C1-20-alkyl, C6-30-aryl group, and a C5-20-aliphatic group having one or more heteroatoms; each Y1 and Y2 is independently chosen from halogen, C1-4-alkoxy, and —O—C1-4-acyl group; wherein at least one of R1, R2, and R3 is a C5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring; (b) organic particles having an average diameter of 50 to 250 nm; (c) a reactive carrier having one or more epoxy moieties or oxetane moieties; (d) a curing agent; and (e) one or more organic solvents, and methods of forming cured coatings using such compositions are described.

公开(公告)号：US20170369654A1

公开(公告)日：2017-12-28

申请号：US15602196

申请日：2017-05-23

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Electronic Materials LLC

Inventor： Joseph Kao ,  Weijun Zhou ,  Yusuke Matsuda ,  Yuanqiao Rao ,  Michael Mulzer ,  Jieqian Zhang

IPC: C08G77/04 ,  C09D7/12 ,  C08K3/20 ,  C03C17/00 ,  C08G77/18 ,  C08F2/04 ,  C09D7/14 ,  C08K3/22

CPC classification number: C08G77/04 ,  C03C17/001 ,  C08F2/04 ,  C08G77/14 ,  C08G77/18 ,  C08K3/20 ,  C08K3/22 ,  C08K3/36 ,  C08K2201/003 ,  C08K2201/005 ,  C08K2201/006 ,  C08K2201/011 ,  C08L83/06 ,  C09D5/00 ,  C09D7/67 ,  C09D7/80 ,  C09D183/06

Abstract: A curable resin composition comprising: (a) 27 to 60 wt % of a liquid siloxane oligomer comprising polymerized units of formula R1mR2nSi(OR3)4-m-n, wherein R1 is a C5-C20 aliphatic group comprising an oxirane ring fused to an alicyclic ring, R2 is a C1-C20 alkyl, C6-C30 aryl group, or a C5-C20 aliphatic group having one or more heteroatoms, R3 is a C1-C4 alkyl group or a C1-C4 acyl group, m is 0.1 to 2.0 and n is 0 to 2.0; (b) 35 to 66 wt % non-porous nanoparticles of silica, a metal oxide, or a mixture thereof, having an average particle diameter from 5 to 50 nm; and (c) 0.5 to 7 wt % of a cationic photoinitiator.