Polyketone resin is a neutral non-toxic hard resin formed by condensation of ketone and aldehyde. The chemical structure of the polyketide resin gives it special quality and characteristics. The resin forms a saturated ring structure during the condensation period, which makes it have high luster, hardness, degradation resistance and weather resistance. Because this resin has no ester bond in its structure, it has good water resistance. The main bond contains many cyclohexyl groups, making it heat resistant. In addition, the polarity of ketone group and hydroxyl group makes it have extensive solubility and solubility, as well as good pigment wettability and adhesion.
Therefore, polyketone resin can be compatible with both compounds with greater polarity and compounds with less polarity. It is applicable to most ink, coating and adhesive systems, and is used to improve the quick drying, glossiness, adhesion, leveling, color wetting, weather resistance and solid content of ink, coating and adhesive. It is an ideal raw material for ink, coating and adhesive.
Aqueous dispersion - Compared with lotion, UV resin has smaller dispersed particles in the aqueous dispersion, and the relative molecular weight of the resin is also higher. This makes waterborne UV coatings using this kind of resin often form a surface dry film before UV curing (after water evaporation). A highly cross-linked coating is obtained after photoinitiation. Water soluble type - this type of UV resin can only be mutually soluble with a small amount of water, and excessive water makes it turbid and flocculent, which makes it impossible to operate and process.
Among the above three resins, the first two are not water-soluble resins, but resin particles are dispersed in water in different states, which can greatly reduce the number of hydrophilic groups required in the resin, so that the cured film has better water resistance and is not sensitive to water.