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Title: All-acrylic multigraft copolymer superelastomers

Abstract

Thermoplastic elastomer compositions comprising acrylic multigraft copolymers are described. The multigraft copolymers comprise a rubbery polyacrylate backbone and a plurality of randomly spaced glassy polyacrylate side chains. The multigraft copolymers can be prepared using a facile grafting through method that can provide copolymers with enhanced purity. The acrylic multigraft copolymers exhibit microphase separated morphologies and “superelastomeric” properties, including an elongation at break, stress at break, and/or strain recovery behavior that exceeds that of conventional triblock copolymer polyacrylate thermoplastic elastomers.

Inventors:
; ;
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1892910
Patent Number(s):
11325991
Application Number:
16/608,614
Assignee:
University of Tennessee Research Foundation (Knoxville, TN)
Patent Classifications (CPCs):
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C - CHEMISTRY C09 - DYES C09J - ADHESIVES
DOE Contract Number:  
ACO5-000R22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 04/25/2018
Country of Publication:
United States
Language:
English

Citation Formats

Mays, Jimmy W., Lu, Wei, and Kang, Nam-Goo. All-acrylic multigraft copolymer superelastomers. United States: N. p., 2022. Web.
Mays, Jimmy W., Lu, Wei, & Kang, Nam-Goo. All-acrylic multigraft copolymer superelastomers. United States.
Mays, Jimmy W., Lu, Wei, and Kang, Nam-Goo. Tue . "All-acrylic multigraft copolymer superelastomers". United States. https://www.osti.gov/servlets/purl/1892910.
@article{osti_1892910,
title = {All-acrylic multigraft copolymer superelastomers},
author = {Mays, Jimmy W. and Lu, Wei and Kang, Nam-Goo},
abstractNote = {Thermoplastic elastomer compositions comprising acrylic multigraft copolymers are described. The multigraft copolymers comprise a rubbery polyacrylate backbone and a plurality of randomly spaced glassy polyacrylate side chains. The multigraft copolymers can be prepared using a facile grafting through method that can provide copolymers with enhanced purity. The acrylic multigraft copolymers exhibit microphase separated morphologies and “superelastomeric” properties, including an elongation at break, stress at break, and/or strain recovery behavior that exceeds that of conventional triblock copolymer polyacrylate thermoplastic elastomers.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {5}
}

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