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Development trend of water-based glue
Time：2019-05-16 09:08:09 Page view (875)
Development trend of water-based glue
Nowadays people are paying more and more attention to environmental protection and health. Environmental health has become one of the important indicators for measuring a glue factory.
Environmental protection is the hub for ensuring sustainable economic development and human health in the 21st century. In order to meet the needs of society and environmental protection, the variety of glue should be accelerated and replaced, and its development direction is water-based.
The water-based glue is a water-based adhesive prepared by using water as a solvent or a dispersion medium, because the organic solvent is not used, thereby eliminating solvent contamination. It should be pointed out that not all water-based adhesives are non-polluting. For example, urea-formaldehyde glue and 107-glue glue are also water-based glues, but the pollution is very serious.
The emulsion type acrylate pressure sensitive adhesive can replace the solvent type pressure sensitive adhesive.
Aqueous laminating adhesive has begun to replace solvent-based laminating adhesive, which is non-toxic, non-flammable, pollution-free and safe to use.
Japan has successfully developed a new waterborne polyurethane adhesive. This glue is used in automotive interior decoration and is completely possible to replace the current common solvent-based adhesive. It is very beneficial to improve the environment.
The isocyanate or prepolymer is blended in an aqueous solution of polyvinyl alcohol (PVA) to form a vinyl urethane emulsion, which can replace the urea-formaldehyde glue and completely solve the problem of formaldehyde release.
Water-based adhesives are favored for being non-toxic and non-polluting, but their disadvantages are slow drying speed, poor water resistance and poor antifreeze properties. The solids sector should be increased, the drying speed should be accelerated, and the cross-linking method should be used to improve the drying speed and water resistance to expand its application.
Shanghai Zhenniu Chemical Co., Ltd.
Nowadays people are paying more and more attention to environmental protection and health. Environmental health has become one of the important indicators for measuring a glue factory.
Environmental protection is the hub for ensuring sustainable economic development and human health in the 21st century. In order to meet the needs of society and environmental protection, the variety of glue should be accelerated and replaced, and its development direction is water-based.
The water-based glue is a water-based adhesive prepared by using water as a solvent or a dispersion medium, because the organic solvent is not used, thereby eliminating solvent contamination. It should be pointed out that not all water-based adhesives are non-polluting. For example, urea-formaldehyde glue and 107-glue glue are also water-based glues, but the pollution is very serious.
The emulsion type acrylate pressure sensitive adhesive can replace the solvent type pressure sensitive adhesive.
Aqueous laminating adhesive has begun to replace solvent-based laminating adhesive, which is non-toxic, non-flammable, pollution-free and safe to use.
Japan has successfully developed a new waterborne polyurethane adhesive. This glue is used in automotive interior decoration and is completely possible to replace the current common solvent-based adhesive. It is very beneficial to improve the environment.
The isocyanate or prepolymer is blended in an aqueous solution of polyvinyl alcohol (PVA) to form a vinyl urethane emulsion, which can replace the urea-formaldehyde glue and completely solve the problem of formaldehyde release.
Water-based adhesives are favored for being non-toxic and non-polluting, but their disadvantages are slow drying speed, poor water resistance and poor antifreeze properties. The solids sector should be increased, the drying speed should be accelerated, and the cross-linking method should be used to improve the drying speed and water resistance to expand its application.
Shanghai Zhenniu Chemical Co., Ltd.
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