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

Abstract

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.

The curing kinetics and properties of self-healing and thermally conductive polymeric composites based on ethylene vinyl acetate copolymer filled with nano alumina

“…[1][2][3][4][5][6] Ethylene-vinyl acetate (EVA) hot melt adhesive film is a mainstream hot melt adhesive, which is an ethylene and vinyl acetate (VA) copolymer. 1,[7][8][9][10][11][12][13] Vinyl acetate properties and applications depend on the vinyl acetate content in EVA. 8,[14][15][16][17] EVA resins with a 20%-32% VA provide remarkable elasticity, toughness, and impact resistance, mainly used in hot-melt adhesives.…”

Influence of Clay on Structure, Thermal Properties and Mechanics of Poly(vinyl acetate)/Maghnite Nanocomposites.

“…Polyvinyl acetate (PVAC) is a biodegradable polymer used in a wide range of applications. It is used as an adhesive for porous materials such as paper, cardboard, textiles and ceramics [1–4] . In principle, PVAC would be an excellent candidate to replace synthetic polymers, but the performance of PVAC is still insufficient to meet the requirements of high temperature resistance, mildew resistance and moisture resistance.…”

“…It is used as an adhesive for porous materials such as paper, cardboard, textiles and ceramics. [1][2][3][4] In principle, PVAC would be an excellent candidate to replace synthetic polymers, but the performance of PVAC is still insufficient to meet the requirements of high temperature resistance, mildew resistance and moisture resistance. However, for the requirements of high temperature resistance, mildew resistance and moisture resistance, the performance of PVAC is still insufficient.…”