How much do you know about the epoxy resin? Do you know the corrosive content? Is it not clear?
Epoxy resins and resin adhesives are non-toxic, but because the solvent is added to the preparation process and other toxic substances, there are many "toxic" resins. The domestic epoxy resin industry has been modified to avoid adding water to keep the resin "toxic". True color. It is usually used together with additives to obtain application value.
As an anti-corrosion material, it not only has the advantages of sturdiness, good water resistance, leakage resistance, high strength, etc., but also has strong adhesion, normal temperature operation, convenient construction, good manufacturability, and moderate price.
Anti-corrosion engineering using this material generally includes: FuChen resin adhesive material FRP surface as a whole and isolation layer, surface layer of paving brick surface resin cement, mortar, resin cement joint filler and gasket, resin thin cement mortar or make the entire surface single And composite insulation layer, glass scale resin surface and so on.
Additives can be used for different purposes, there are a variety of additives: (1) curing agent; (2) modification; (3) packaging; (4) thinner; (5) others. The curing agent is an indispensable additive. Whether it is an adhesive, coating or casting material, it is necessary to add a curing agent, otherwise the resin cannot be cured. Due to different performance requirements, there are different requirements for the addition of resin and curing agent, modifier, filler, diluent, etc.
In addition to being used alone, epoxy resins commonly used in anti-corrosion engineering can also be used in combination with unsaturated polyester resins, vinyl ester resins, phoenix resin phenolic resins, and furan resins to form a composite structure and give full play to its own advantages. , Reduce costs, improve product quality, and facilitate construction.
The modified resin can be modified with other resins, and the modification method has physical and chemical methods. Epoxy coal tar is a typical physical modification product of gai resin, and is the product of epoxy resin and coal tar. The secondary resin of the physically modified resin generally accounts for 30-50% of the total resin. The properties of the resin after chemical modification have undergone fundamental changes. Vinyl ester resin is a typical epoxy resin modified resin.
Sometimes two or more resin materials have better overall performance. According to their characteristics in different parts, different construction positions can produce a single material that is difficult to achieve significant results.