Polymer heatproofing mechanism of lignin extracted by simultaneous enzymatic saccharification and comminution

被引：6

作者：

Sotome, Haruka ^{[1
]}

Shikinaka, Kazuhiro ^{[2
]}

Tsukidate, Ai ^{[1
]}

Tominaga, Yoichi ^{[1
]}

Nakamura, Masaya ^{[3
]}

Otsuka, Yuichiro ^{[3
]}

机构：

[1] Tokyo Univ Agr & Technol, Grad Sch Bioapplicat & Syst Engn, Koganei, Tokyo 1848588, Japan

[2] Natl Inst Adv Ind Sci & Technol, Res Inst Chem Proc Technol, Miyagino Ku, Nigatake 4-2-1, Sendai, Miyagi 9838551, Japan

[3] Forestry & Forest Prod Res Inst, 1 Matsunosato, Tsukuba, Ibaraki 3058687, Japan

来源：

POLYMER DEGRADATION AND STABILITY | 2020年 / 179卷

关键词：

Plant biomass; Lignin; Heatproof filler; Gas chromatography; Mass spectroscopy; Differential thermochemical analysis; Kinetical analysis; THERMAL-DECOMPOSITION; BIOMASS; CHEMISTRY;

D O I：

10.1016/j.polymdegradstab.2020.109273

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this paper, we reveal a synthetic polymer heatproofing mechanism of a lignin derivative extracted by simultaneous enzymatic saccharification and comminution (hereafter referred to as "SESC lignin"). First, the prevention of back-biting on the thermal degradation of poly(ethylene carbonate) by SESC lignin is experimentally verified via chromatograph/spectroscopic approaches. Second, we explore the applicable scope (e.g., the limiting temperature) of SESC lignin as a heatproof filler by comparing the heatproof properties of a conventional heat stabilizer and SESC lignin. Finally, we confirm that the combination of "preferential pyrolysis" and "radical scavenging" of SESC lignin induces its synthetic polymer heatproof properties, which can be determined using thermochemical/kinetical approaches. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：7

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