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- Title
Effect of Polyhydroxybutyrate and Ethyl Cellulose for Barrier Coating of Kraft Paper.
- Authors
Dong Gun Lim; Yong Ju Lee; Ji Min Lee; Jae Hyeop Kim; Tai Ju Lee; Hyoung Jin Kim
- Abstract
Poly(3-hydroxybutyrate) (PHB), a biodegradable polymer, has been studied as a substitute for petroleum-based polymers used for barrier coating to improve the barrier and mechanical properties of paper. In this study, ethyl cellulose (EC), a cellulose derivative, was used to prepare a polymer blend for enhancing the barrier properties of PHB. The prepared PHB/EC blend was then applied as a paper coating material. Additionally, the barrier and mechanical properties of the PHB/EC blend-coated paper based on the PHB/EC mixing ratio and coating weight were analyzed. The results showed that the EC could act as a binder for the PHB/EC blendcoated paper. Consequently, the PHB/EC blend-coated paper exhibited significant improvements in mechanical and barrier properties, including a substantial increase of over 100% in internal bond strength, more than 20% in tensile strength, exceeding 60% enhancement in water resistance, and a remarkable increase of over 90% in air permeability.
- Subjects
KRAFT paper; POLYMER blends; POLYHYDROXYBUTYRATE; ETHYLCELLULOSE; SURFACE coatings; BOND strengths; TENSILE strength; 3-Hydroxybutyric acid
- Publication
BioResources, 2024, Vol 19, Issue 1, p1618
- ISSN
1930-2126
- Publication type
Article
- DOI
10.15376/biores.19.1.1618-1632