Precision Synthesis of Bio-Based Acrylic Thermoplastic Elastomer by RAFT Polymerization of Itaconic Acid Derivatives
Bio‐based polymer materials from renewable resources have recently become a growing research focus. Herein, a novel thermoplastic elastomer is developed via controlled/living radical polymerization of plant‐derived itaconic acid derivatives, which are some of the most abundant renewable acrylic mono...
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Published in | Macromolecular rapid communications. Vol. 35; no. 2; pp. 161 - 167 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Weinheim
Blackwell Publishing Ltd
01.01.2014
Wiley |
Subjects | |
Online Access | Get full text |
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Summary: | Bio‐based polymer materials from renewable resources have recently become a growing research focus. Herein, a novel thermoplastic elastomer is developed via controlled/living radical polymerization of plant‐derived itaconic acid derivatives, which are some of the most abundant renewable acrylic monomers obtained via the fermentation of starch. The reversible addition–fragmentation chain‐transfer (RAFT) polymerizations of itaconic acid imides, such as N‐phenylitaconimide and N‐(p‐tolyl)itaconimide, and itaconic acid esters, such as di‐n‐butyl itaconate and bis(2‐ethylhexyl) itaconate, are examined using a series of RAFT agents to afford well‐defined polymers. The number‐average molecular weights of these polymers increase with the monomer conversion while retaining relatively narrow molecular weight distributions. Based on the successful controlled/living polymerization, sequential block copolymerization is subsequently investigated using mono‐ and di‐functional RAFT agents to produce block copolymers with soft poly(itaconate) and hard poly(itaconimide) segments. The properties of the obtained triblock copolymer are evaluated as bio‐based acrylic thermoplastic elastomers.
Controlled/living radical polymerization of naturally‐derived itaconic acid derivatives, such as N‐aryl itaconimide and dialkyl itaconate, is investigated with RAFT agents. Their sequential copolymerization using a difunctional RAFT agent leads to ABA‐type triblock copolymer consisting of hard outer N‐aryl itaconimide (A) and soft middle dialkyl itaconate (B) segments, which would be a novel bio‐based thermoplastic elastomer. |
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Bibliography: | ark:/67375/WNG-TRKSRHP4-4 Cabinet Office, Government of Japan istex:A454477C013F4622B7E4274CA5A740E6F4B14B1F ArticleID:MARC201300638 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1 |
ISSN: | 1022-1336 1521-3927 |
DOI: | 10.1002/marc.201300638 |