公开(公告)号：US20230295456A1

公开(公告)日：2023-09-21

申请号：US18185152

申请日：2023-03-16

Applicant: SOUTH DAKOTA BOARD OF REGENTS

Inventor： WHYTNEIGH DUFFIE ,  TRAVIS WALKER ,  TSVETANKA FILIPOVA ,  TIMOTHY BRENZA ,  KEVIN BARZ

IPC: C09D135/02 ,  C08F22/04 ,  C09D4/00 ,  B33Y70/00

CPC classification number: C09D135/02 ,  C08F22/04 ,  C09D4/00 ,  B33Y70/00

Abstract: The present disclosure relates to photo-curable resins, and, more particularly, to 3D-printable, surface-eroding, acrylic anhydride-based resins, including both acrylated and methacrylated chemistries. In a preferred embodiment, the resins compositions are degradeable. The disclosure also provides methods of preparing the photo-curable resins and embodiments of degradeable objects comprised of the photo-curable resins.

公开(公告)号：US20170369409A1

公开(公告)日：2017-12-28

申请号：US15683890

申请日：2017-08-23

Applicant: SOUTH DAKOTA BOARD OF REGENTS

Inventor： DAVID A. BOYLES ,  JOHN T. BENDLER ,  TSVETANKA FILIPOVA

IPC: C07C39/367 ,  H01G4/18 ,  C08G64/10 ,  C07C2601/04 ,  C07C2601/14 ,  C07C2601/02 ,  C07C2601/08 ,  H01G4/32 ,  C07C2601/16

CPC classification number: C07C39/367 ,  C07C39/42 ,  C07C43/295 ,  C07C2601/02 ,  C07C2601/04 ,  C07C2601/08 ,  C07C2601/14 ,  C07C2601/16 ,  C08G64/10 ,  H01B3/426 ,  H01G4/18 ,  H01G4/186 ,  H01G4/32

Abstract: The present invention provides monomers, analogs, and/or derivatives of bisphenols substituted with one or more fluoromethyl groups. These monomers, analogs, and/or derivatives can be used to form oligomers and/or polymers, which in turn can be used to make compounds with dielectric properties suitable for dielectric materials, including for example, use in energy dense capacitors. In a preferred embodiment, the compounds can comprise a polycarbonate of a homopolymer, copolymer, and/or terpolymer of a bisphenol with one or more fluoromethyl substitution groups. In an aspect of the invention the compounds chosen can be selected based on various desired characteristics, including, for example, their energy density, glass transition temperature, dielectric loss, and/or dipole density.