2. rosin soap formed by boiling rosin with soda ash or caustic soda has strong detergency, is easily soluble in water, can dissolve grease, is easy to foam, and can prevent soap from cracking and rancidity.
3. Sodium rosin soap made of rosin and caustic soda can enhance water resistance, prevent ink penetration, improve strength and smoothness, and reduce flexibility.
4. Rosin is easily soluble in various organic solvents, easy to form a film and shiny, and is one of the basic raw materials for paints and coatings.
5. Rosin is mainly used as a color carrier in printing ink and enhances the adhesion of ink to paper.
6. Adhesives based on rosin esters and hydrogenated rosin esters are commonly used as hot-melt adhesives, pressure-sensitive adhesives and rubber tackifiers.
7. Rosin is used as a softener in rubber industry, which can increase its elasticity. Disproportionated rosin potassium soap can be used as synthetic rubber.
8. Hydrogenated rosin glyceride, natural rubber, wax, vinyl acetate, etc. Heat and melt together, then add spice, sugar and pigment and mix well to make chewing gum.
9. After slaughtering pigs, cattle, sheep and other poultry in slaughterhouse, the hair left on the animal's body and head can be removed by depilatory composed of 88-94% molten rosin and 6- 12% cottonseed oil.
10. The insulating oil made of 35% rosin and 65% bright oil is used as the protective film on the cable, which plays the role of insulation and heat resistance.
1 1, rosin, bakelite and other artificial resins are used as insulating paint.
12. Rosin is mainly used as concrete foaming agent and floor tile binder in building materials industry.
13, rosin is also used as binder for vinyl chloride asbestos tile.
14, the role of rosin in paint is to make the paint bright, dry quickly, and the paint film is smooth and not easy to fall off.
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