White latex adhesive agent for packaging paper product and method of producing the same

Abstract

The invention provides an emulsion adhesive for paper-product packaging and a preparation method thereof. The method comprises: Polyvinyl alcohol, instant starch, polyvinyl acetate emulsion, water and kaolin, swell soil, titanium dioxide pigment, calcium carbonate, rubberlith and sodium hexametahposphate are used as main materials; the solid polyvinyl alcohol is dissolved with the water, later dispersed uniformly with the polyvinyl acetate emulsion, alcohol ester and an antiseptic and grinded into a glue liquid of 160 to 200 meshes; then after the kaolin, the swell soil, the titanium dioxide pigment, the calcium carbonate, the rubberlith, the sodium hexametahposphate and the instant starch are uniformly mixed, water is added for stirring the mixture into a uniformly mixed material; the glue liquid and the uniformly mixed material are dispersed together; moreover, a titanium ester coupling agent is added for obtaining the emulsion adhesive after being uniformly mixed. The emulsion adhesive is friendly to the environment, has fast drying speed, high intensity and low cost, is especially suitable to the sticking operation of high-grade paper boxes, has simple preparation technique and considerable economic benefit as well as has excellent market prospect.

Description

Technical field [0001] The invention relates to a white latex adhesive for paper product packaging and a preparation method thereof. Background technique [0002] At present, the adhesives used in paper product packaging include various water-based and resin adhesives, and there are many varieties. For paper product packaging with high performance requirements, it is usually made of water-based starch through oxidation and gelatinization processes. , This kind of adhesive has low technical content and high cost, accounting for about 20% of the packaging cost, its performance is not stable enough, it is greatly affected by seasonal changes in air temperature, and it is not easy to store. In addition, this type of adhesive also has the following disadvantages: First, the environmental pollution is relatively large, and its color is dark brown or dark yellow. The white carton cannot be used, and it is easy to touch the carton panel, causing serious defects on the carton surface...

AI Technical Summary

Problems solved by technology

[0002] At present, the adhesives used in paper product packaging include various water-based and resin adhesives, and there are many varieties. For paper product packaging with high performance requirements, it is usually made of water-based starch through oxidation and gelatinization processes. , this kind of adhesive has low technical content and high cost, accounting for about 20% of the packaging cost, its performance is not stable enough, it is greatly affected by the seasonal changes of air temperature, and it is not easy to store

In addition, this type of adhesive also has the following disadvantages: First, the environmental pollution is relatively large, and its color is dark brown or dark yellow. The white carton cannot be used, and it is easy to touch the carton panel, causing serious defects on the carton surface, which leads to export production. Manufacturers can't use it; the second is that the oxides in the adhesive are more polluting to the human body and the surrounding environment, especially irritating to the human body's trachea and other parts, making people unbearable and seriously affecting people's health; This product is a water-based adhesive. When the cardboard is exposed to the sun for a long time, it is easy to warp and deform, which affects the appearance of paper products, and the strength of the cardboard is poor.