Utilization of renewable bio-based resources, viz. sorbitol, diol, and diacid, in the preparation of two pack PU anticorrosive coatings

被引：27

作者：

Anand, Abhijeet ^{[1
]}

Kulkarni, Ravindra D. ^{[2
]}

Patil, Chandrashekhar K. ^{[1
]}

Gite, Vikas V. ^{[1
]}

机构：

[1] North Maharashtra Univ, Sch Chem Sci, Jalgaon 425001, MS, India

[2] North Maharashtra Univ, Univ Inst Chem Technol, Jalgaon 425001, MS, India

来源：

RSC ADVANCES | 2016年 / 6卷 / 12期

关键词：

POLYURETHANE COATINGS; POLYOLS; BIOMASS; POLYESTERAMIDE; POLYMERIZATION; ISOSORBIDE; COTTONSEED; CONVERSION; ACID;

D O I：

10.1039/c5ra17202k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The present research work reveals the use of renewable ingredients to synthesize the polyester polyol part of polyurethanes as a modification different from the traditional pattern via the melt condensation technique. The difunctional acid used in the preparation of polyester polyol was selected according to the chain length and molecular weight. Both renewable and non-renewable difunctional acids were used for comparing the coating properties of each formulation. Chemical and corrosion resistances were also studied with respect to their effects on final coating properties in terms of their structural parameters for sustainable production of 2K PU coatings. Synthesized coatings were further characterized by techniques like gloss, adhesion, flexibility, and pencil hardness. Overall, sebacic acid based formulation was found to be most suitable among all for coating performance, especially anticorrosive property, gloss, and pencil hardness.

引用

页码：9843 / 9850

页数：8

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