Development and characterization of thermoplastics from corn distillers grains grafted with various methacrylates

Zhen Shi, Narendra Reddy, Xiuliang Hou, Yiqi Yang

Research output: Contribution to journalArticle

Abstract

A new approach has been developed to add high value to corn Distillers Dried Grains with Solubles (DDGS) by developing thermoplastics with controllable dry and wet tensile properties. Although attempts have been made to develop thermoplastics from DDGS, the presence of carbohydrates, proteins, and oil makes it difficult to use or modify DDGS for various applications and obtain useful thermoplastics. In this research, DDGS was grafted with individual and a combination of four vinyl monomers (methyl, ethyl, butyl, and hexyl methacrylate; MMA, EMA, BMA and HMA, respectively) and the grafted DDGS was compression molded into films. The type of monomer and amount of homopolymers in the films considerably influenced tensile strength and water stability. At similar grafting ratios, HMA provided higher thermoplasticity, but films with BMA homopolymers had higher elongations (up to 19%). The addition of homopolymers was necessary to obtain films with good strength, elongation, and water stability.

Original languageEnglish (US)
Pages (from-to)13963-13970
Number of pages8
JournalIndustrial and Engineering Chemistry Research
Volume53
Issue number36
DOIs
StatePublished - Sep 10 2014

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Methacrylates
Thermoplastics
Homopolymerization
Elongation
Monomers
Water
Carbohydrates
Tensile properties
Oils
Compaction
Tensile strength
Proteins

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Development and characterization of thermoplastics from corn distillers grains grafted with various methacrylates. / Shi, Zhen; Reddy, Narendra; Hou, Xiuliang; Yang, Yiqi.

In: Industrial and Engineering Chemistry Research, Vol. 53, No. 36, 10.09.2014, p. 13963-13970.

Research output: Contribution to journalArticle

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