Water-based disposable degradable glue, and preparation method and application thereof

Abstract

The invention discloses water-based disposable degradable glue, and a preparation method and application thereof. The water-based disposable degradable glue is composed of the following components inpercentage by weight: 0.1 to 55% of a vinyl acetate-ethylene copolymer emulsion, 0.1 to 45% of a pure acrylic emulsion, 0.1 to 35% of waterborne epoxy resin, 0.1 to 20% of waterborne polyurethane, 0.1to 13% of polyvinyl alcohol, 0.1 to 3% of polyvinyl butyral, 0.1 to 1% of adipic dialdehyde, 0.1 to 40% of oxidized starch, 0.1 to 10% of chitosan, 0.1 to 5% of hydroxypropyl methyl cellulose and 0.1to 5% of ethyl cellulose. The water-based disposable degradable glue conforms to relevant laws and regulations of food safety and has steaming resistance and excellent bonding strength.

Description

technical field

[0001] The invention relates to a water-based disposable degradable glue, a preparation method and application thereof. Background technique

[0002] The general-purpose straws on the market are usually plastic tubes, and the most used material is polypropylene (PP), which has the advantages of simple processing and light weight. At the same time, this petroleum cracking product also has the disadvantage of being difficult to be biodegraded or otherwise degraded. With the increasing calls for environmental protection around the world, it is imminent to find alternative materials for plastic straws.

[0003] At present, plant fiber is recognized as the most industrialized natural material in the world. Based on this material, using a safe and environmentally friendly water-based adhesive can produce paper straws with high stiffness, good safety performance, and environmental protection. .

[0004] The glue used for disposable degradable paper straws must hav...

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