Hongtu New Material Technology

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Introduction of water-based epoxy resin glue

Publisher: admin release date: 2018-01-20.
With the development of the society, people more and more high to the requirement of glue, in order to adapt to the development of science and technology, modern industry, water-based epoxy resin glue arises at the historic moment, for the adhesive industry added a kind of environmental protection non-toxic, no pollution, features excellent glue.
Waterborne epoxy resin glue refers to ordinary epoxy resin in the form of particles or colloidal dispersion in water emulsion, which is formed by the water medium or aqueous solution, the difference between them lies in the epoxy resin dispersed phase particle size range is different, generally divided into two categories, namely type I epoxy system and type II epoxy system.
Type I epoxy system
By low molecular liquid epoxy resin (epoxy equivalent around 190) and waterborne epoxy curing agent, because the liquid resin, type I don't have to join the solvent, waterborne epoxy system the system zero VOC, namely type I waterborne epoxy resin glue is environmental protection non-toxic, non-polluting adhesive.
Type II epoxy system
By high molecular weight solid epoxy resin (epoxy equivalent to 500 or so) and waterborne epoxy curing agent, high molecular weight epoxy resin as solid at room temperature, softening point is 60 ~ 80 ℃, generally by the factory pre-made into emulsion, which may contain traces of usually NHAP solvent.
The main difference
The type I epoxy system usually contains no organic solvents, and the type II is mostly organic solvent. Resin of type II epoxy system for solid state commonly, as a result, initial curing time shorter than the type I, for type I epoxy system, as a result of the resin is liquid, takes to reach initial curing reaction time.
Comprehensive the above: although II epoxy system contains organic solvent, but does not affect it belongs to environmental protection, non-toxic, non-polluting system the development of waterborne epoxy resin glue, can for the healthy development of the society, the environment, human make a important role.