Synthesis of super absorbent polymer using citric acid as a bio-based monomer

被引：34

作者：

Kim, Hyun Jae ^{[1
]}

Koo, Jun Mo ^{[1
]}

Kim, Seong Hun ^{[1
]}

Hwang, Sung Yeon ^{[2
,3
]}

Im, Seung Soon ^{[1
]}

机构：

[1] Hanyang Univ, Coll Engn, Dept Organ & Nano Engn, 17 Haengdang Dong, Seoul 04763, South Korea

[2] Korea Res Inst Chem Technol, Div Ulsan Res & Business Dev, Res Ctr Ind Chem Biotechnol, 406-30,Jongga Ro, Ulsan 44429, South Korea

[3] UST, Adv Mat & Chem Engn, Daejeon 34113, South Korea

来源：

POLYMER DEGRADATION AND STABILITY | 2017年 / 144卷

关键词：

Superabsorbent polymer; Citric acid; Bio-based SAP; Ecofriendly; Polyester; SUPERABSORBENT POLYMERS; SWELLING BEHAVIOR; HYDROGELS; WATER;

D O I：

10.1016/j.polymdegradstab.2017.07.031

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Along with the up-rise of environment problems, ecofriendly materials that can replace existing products have become an issue. In the field of superabsorbent polymer (SAP), biobased monomers can be used to reduce petroleum based monomer, i.e. acrylic acid. In this paper, biobased citric acid was chosen to prepare SAP in order to confirm the possibility of ground-up synthesis for biobased SAP, due to its cost-effectiveness, non-toxicity and multifunctionality that can induce random 3D-network structure. With suitable diol counterpart and neutralization of CA, the absorbency was enhanced. To further develop synthesized SAP and compensate the absence of secondary crosslinking, hexamethylene diisocyanate (HDI) was used to stabilize 3D-network structure. The maximum absorbency of CA-based SAP was around 2200%. (C) 2017 Published by Elsevier Ltd.

引用

页码：128 / 136

页数：9

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