Glycerol Ester of Rosin (Ger), also known as Rosin Glycerol Ester resin, is a resin produced by the reaction of Rosin and Glycerol. It is an important industrial raw material, widely used in food, coatings, adhesives printing, and other fields.
Physical properties
* Appearance: a light yellow to dark yellow solid, often massive or flaky.
* Solubility: soluble in most organic solvents, such as ethanol, ether, benzene, etc., insoluble in water.
* Melting point: generally between 70 ° C and 100 ° C, the specific melting point depends on the source of rosin and the esterification process.
* Viscosity: It has high viscosity and is suitable for use as a tackifier and stabilizer.
Application fields
1. Food Industry
* food additives: These are used as thickeners, emulsifiers, and stabilizers in food, and they are commonly used in chewing gum, candy, beverages, cakes, and so on.
* Gum-based materials: gum-based materials are used in the production of chewing gum to help improve the texture.
2. Coatings and ink
* Coatings: Coatings are used as a tackifier and film-forming agent in coatings to improve their adhesion and gloss.
* Ink: As an adhesive in the ink, it enhances the ink viscosity and adhesion, making it suitable for the printing industry.
3. Adhesive
* Hot melt adhesive: Rosin glycerin, as the main component of hot melt adhesive, provides good bonding properties and thermal stability, widely used in packaging, bookbinding, and footwear manufacturing.
* pressure-sensitive adhesive: it is used to make pressure-sensitive adhesives such as adhesive tapes and labels.
4. Rubber and plastics
* Rubber tackifier: used in rubber products as a tackifier to enhance the adhesion and mechanical properties of rubber.
* Plastic Plasticizers: improve the flexibility and plasticity of plastics and are suitable for the production of a wide range of plastic products.
5. Other applications
* Medicine: Used as a tackifier and stabilizer in some pharmaceutical preparations.
* Cosmetics: These are used in cosmetics to increase the stability and malleability of products.
Safety and environmental protection.
* Food safety: As a food additive, rosin glycerides have been approved for use in food by food safety agencies in many countries, such as the US FDA, the European Union, and EFSA, and they are safe in specified quantities.
* Environmental Protection: Rosin glyceride from natural rosin resin is relatively environmentally friendly, biodegradable, and has less impact on the environment.
* Allergic reaction: the individual-sensitive crowd may be allergic to the rosin ingredient, and should pay attention when using it.
Benefits
1. Food Industry
A. Thickeners and emulsifiers
* Improve texture: Rosin glycerides act as thickeners and emulsifiers to improve the texture of foods, making them smoother and more even.
* Stability: It helps stabilize the emulsion system, prevent oil-water separation, and extend the shelf life of products.
B. Gum base material
* As the base gum of gum, rosin glycerides can improve the elasticity and chewiness of gum.
* Improving flavor release: it helps to gradually release the flavor substances in chewing gum and improve the overall chewing experience.
2. Paints and Inks
A. Tackifier and film-forming agent
* Adhesion: Rosin glycerides are used as tackifiers and film-forming agents in coatings and inks to improve the adhesion of coatings and printed matter.
* Gloss: increase the gloss of the coating, making the finished product more beautiful.
B. Hot-melt adhesive and pressure-sensitive adhesive
* Adhesion: in hot-melt adhesive and pressure-sensitive adhesive, Rosin glyceride can provide excellent adhesion to ensure a strong bonding effect.
* Heat resistance: improve the heat resistance of the adhesive so that it can maintain good adhesion at high temperatures.
3. Rubber and plastics industry
A. Tackifier
* To enhance the adhesion: Rosin glycerin as a tackifier in rubber can significantly improve the adhesion and mechanical strength of rubber products.
* Flexibility: in plastics, rosin glycerides are used as plasticizers to improve the flexibility and plasticity of materials.
4. Pharmaceuticals and cosmetics
A. Pharmaceutical preparations
* Stabilizers: in pharmaceutical preparations, rosin glycerides can be used as stabilizers to ensure the uniform distribution and stability of pharmaceutical ingredients.
* Tackifier: used in creams, emulsions, and other preparations to enhance the viscosity and smearing of products.
B. Cosmetic
* Texture improvement: in cosmetics, rosin glycerides can improve the texture of the product, making it easier to apply and absorb.
* Film-forming effect: enhances the film-forming effect of cosmetics and improves the durability and waterproofing of products.
5. Environmental Benefits
A. Biodegradable
* Environmental protection: Rosin glycerides are made from natural rosin resin, have good biodegradability, and are environmentally friendly.
* Renewable resources: Rosin resins are renewable resources, and the use of rosin glycerides helps to reduce reliance on petrochemical-based materials.
6. Security
A. Food-grade safety
* widely recognized: Rosin glyceride as a food additive has been approved for use by food safety agencies in many countries for high safety.
* Non-toxic side effects: rosin glycerides are non-toxic and harmless to humans in the prescribed dosage.
Conclusion: Rosin glycerides are of great value in the food industry, coatings and inks, rubber and plastics, medicine, and cosmetics because of their versatility and excellent properties. The main benefits include improved product texture, increased viscosity, improved stability and gloss, and enhanced environmental protection and safety. Through rational utilization of Rosin glyceride, the product performance can be improved to meet the diverse market demand.
