Biodegradable hot melt adhesive based on partially saponified polyvinyl acetate/cellulose diacetate blend

Recycling the polymer material from the waste has a great advantage in reducing the cost of the biodegradable hot melt adhesive and solving environmental problems. Cellulose diacetate obtained from the acid hydrolysis of discarded cellulose triacetate‐based cinematographic films was blended with low...

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Bibliographic Details
Published in:Journal of applied polymer science 2021-09, Vol.138 (35), p.n/a
Main Authors: Kim, Yong‐Ho, Ri, Jin‐Hyok, Pak, In‐Ho, Ri, Yong‐Chol, Yu, Ju‐Hyon, Om, Chol‐Yi, An, Jun‐Myong, Pak, Chol‐Ung, Kye, Song‐Hyok
Format: Article
Language:English
Subjects:
Adhesive strength
Adhesives
Biodegradability
biodegradable
blend
Cellulose
Cellulose diacetate
Cellulose triacetate
Cinematography
hot melt adhesive
Low molecular weights
Materials science
Polymer blends
Polymers
Polyurethane
Shear strength
Thermal stability
thermogravimetric analysis
viscosity
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Summary:Recycling the polymer material from the waste has a great advantage in reducing the cost of the biodegradable hot melt adhesive and solving environmental problems. Cellulose diacetate obtained from the acid hydrolysis of discarded cellulose triacetate‐based cinematographic films was blended with low molecular weight partially saponified polyvinyl acetate. The degree of substitution of cellulose diacetate and the degree of saponification of partially saponified polyvinyl acetate to obtain the binary blends having excellent compatibility were determined by FTIR and DSC. TGA showed that these blends have sufficient thermal stability for hot melt adhesive applications. The viscoelastic properties of the blends were evaluated by DMA and melt viscosity. The shear strength and the biodegradability of the final hot melt adhesive were examined according to the amount of cellulose diacetate in the blends. The results indicate that adding 20% of cellulose diacetate can reduce the cost of partially saponified polyvinyl acetate ‐based hot melt adhesive while improving the adhesive strength. Recycling the polymer material from the waste has a great advantage in reducing the cost of the biodegradable hot melt adhesive and solving environmental problems. Cellulose diacetate obtained from the acid hydrolysis of discarded cellulose triacetate‐based cinematographic films was blended with low molecular weight partially saponified polyvinyl acetate.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.50867