Preparation of Tough Biopolyurea Films from Aromatic Amino Acid as Diamine Monomer | Zendy

Grewal Manjit S. | Zendy; Taya Kazuya | Zendy; Tateyama Seiji | Zendy; Kaneko Tatsuo | Zendy

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Preparation of Tough Biopolyurea Films from Aromatic Amino Acid as Diamine Monomer

Author(s) -

Grewal Manjit S.,

Taya Kazuya,

Tateyama Seiji,

Kaneko Tatsuo

Publication year - 2017

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.201600194

Subject(s) - monomer , bioplastic , diamine , materials science , polymer chemistry , polymer , mechanical strength , organic chemistry , chemistry , composite material , ecology , biology

We have synthesized new bio‐based polyureas (PUs) using 4‐aminophenylalanine (4‐APhe) as a diamine monomer bioavailable by fermentation of genetically modified Escherichia coli . Most of PUs are processable into films or fibers having excellent mechanical properties; mechanical strength at maximum around 150 MPa and strain energy density around 10 J/cm 3 at maximum, which means that PU much tougher than those of conventional bioplastics.

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