Journal
MACROMOLECULES
Volume 46, Issue 12, Pages 4772-4780Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma4007472
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Funding
- National Basic Research Program of China [2012CB025901]
- NSFC [51073145]
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Dong Hua University, China
- U.S. National Science Foundation [DMR-1252611]
- U.S. Department of Agriculture [2011-51160-31205]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1252611] Funding Source: National Science Foundation
- NIFA [2011-51160-31205, 579477] Funding Source: Federal RePORTER
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Thermoplastic elastomers (TPEs) are ever sought using a simple robust synthetic approach. Widely successful first-generation TPEs rely on microphase-separated ABA triblock copolymers (Architecture I). Recent multigraft copolymers represent the second-generation TPEs in which multiple branched rigid segments are dispersed in a rubbery backbone matrix (Architecture II). This paper reports our discovery of the third-generation TPEs that are based on rigid backbone dispersed in a soft grafted matrix. This Architecture III allows the use of random copolymers as side chains to access a wide spectrum of TPEs that cannot be achieved by architecture designs of the first two generations. In this report, random copolymer-grafted cellulose, cellulose-graft-poly(n-butyl acrylate-co-methyl methacrylate) copolymers with only 0.9-3.4 wt % cellulose prepared by activators regenerated by electron transfer for atom transfer radical polymerization (ARGET ATRP), as novel thermoplastic elastomers are investigated.
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