Document Type

Patent

Patent Number

US Patent 8,921,447

Patent agency

United States Patent and Trademark Office

Publication Date

12-30-2014

Assignee

University of Iowa Research Foundation (Iowa City, IA, US)

Application Number

13/082,887

Date Filed

2011-04-08

Total Pages

29 pages

Abstract

The invention provides a process for manufacturing a polymeric material having a compositional gradient, comprising: forming a mixture comprising a first photopolymerizable polymer precursor and a second photopolymerizable precursor, and subjecting said mixture to an intensity gradient of electromagnetic radiation, wherein said first precursor has a greater reactivity ratio than said second precursor, and/or said first precursor is mono-functional and said second precursor is di-functional, and/or said first precursor is less inhibited by oxygen than said second precursor.

Share

COinS
 

URL

https://ir.uiowa.edu/patents/630