Hydrogenated Rosin Glycerol Ester (Alcohol-Soluble) BZ13 Excellent alcohol solubility and film-forming properties Paint and Ink Industry
Hydrogenated Rosin Glycerol Ester (Alcohol-Soluble) is a thermoplastic resin produced by esterifying hydrogenated rosin—derived from rosin through catalytic hydrogenation—with glycerol. Its molecular structure features extensive saturation of double bonds, significantly enhancing oxidation resistance and thermal stability. It retains the film-forming and adhesive properties of rosin while exhibiting excellent alcohol solubility, dissolving readily in solvents such as ethanol and isopropanol. The
Test Items | Testing Standards | Technical Specifications |
Appearance | Visual Inspection | Light yellow to amber transparent glassy solid, free from mechanical impurities |
Acid Value | GB/T 6743 - 2008 | ≤10mgKOH/g |
Saponification Value | GB/T 8021 - 2003 | 160 - 190mgKOH/g |
Softening Point (Ring and Ball Method) | GB/T 4507 - 2014 | 80 - 95℃ |
Color (Ghana Method) | GB/T 1722 - 1992 | ≤8 号 |
Solubility | GB/T 23864 - 2009 | Completely soluble in ethanol (95%) and isopropyl alcohol; solution is clear and transparent. |
Unsaponifiable Matter Content | GB/T 8020 - 2015 | ≤5% |
- Parameters
Test Items | Testing Standards | Technical Specifications |
Appearance | Visual Inspection | Light yellow to amber transparent glassy solid, free from mechanical impurities |
Acid Value | GB/T 6743 - 2008 | ≤10mgKOH/g |
Saponification Value | GB/T 8021 - 2003 | 160 - 190mgKOH/g |
Softening Point (Ring and Ball Method) | GB/T 4507 - 2014 | 80 - 95℃ |
Color (Ghana Method) | GB/T 1722 - 1992 | ≤8 号 |
Solubility | GB/T 23864 - 2009 | Completely soluble in ethanol (95%) and isopropyl alcohol; solution is clear and transparent. |
Unsaponifiable Matter Content | GB/T 8020 - 2015 | ≤5% |
I. Product Overview:
Hydrogenated Rosin Glycerol Ester (Alcohol-Soluble) is a thermoplastic resin produced by esterifying hydrogenated rosin—derived from rosin through catalytic hydrogenation—with glycerol. Its molecular structure features extensive saturation of double bonds, significantly enhancing oxidation resistance and thermal stability. It retains the film-forming and adhesive properties of rosin while exhibiting excellent alcohol solubility, dissolving readily in solvents such as ethanol and isopropanol. The product appears as a light yellow to amber transparent glassy solid, odorless and non-toxic, meeting food contact material safety standards. It is widely used in industries such as adhesives, coatings, inks, and food additives.
Specification
Test Items | Testing Standards | Technical Specifications |
Appearance | Visual Inspection | Light yellow to amber transparent glassy solid, free from mechanical impurities |
Acid Value | GB/T 6743 - 2008 | ≤10mgKOH/g |
Saponification Value | GB/T 8021 - 2003 | 160 - 190mgKOH/g |
Softening Point (Ring and Ball Method) | GB/T 4507 - 2014 | 80 - 95℃ |
Color (Ghana Method) | GB/T 1722 - 1992 | ≤8 号 |
Solubility | GB/T 23864 - 2009 | Completely soluble in ethanol (95%) and isopropyl alcohol; solution is clear and transparent. |
Unsaponifiable Matter Content | GB/T 8020 - 2015 | ≤5% |
Product Features:
1. Superior oxidation resistance and thermal stability
Hydrogenation saturates a significant portion of the conjugated double bonds in rosin molecules, markedly reducing their oxidative reactivity. This prevents oxidation discoloration and aging degradation during high-temperature processing (e.g., hot melt adhesive manufacturing) or prolonged storage, extending product lifespan and ensuring stable performance of finished goods.
2. Excellent alcohol solubility and film-forming properties
Rapidly dissolves in alcohol solvents like ethanol and isopropanol to form uniform, stable solutions with moderate viscosity, facilitating easy coating and processing. Upon solvent evaporation, it forms a transparent, tough film exhibiting excellent gloss, hardness, and flexibility. Ideal for applications demanding high-quality film formation, such as coatings, inks, and adhesives.
3. High-Efficiency Tackification and Bonding Performance
Demonstrates strong adhesion to diverse substrates (including polar and non-polar materials), effectively enhancing the bonding properties of adhesives, coatings, and inks. Within hot-melt and pressure-sensitive adhesives, it rapidly interacts with substrate surface molecules to form robust bonds, maintaining superior adhesion even under complex environmental conditions (e.g., humidity, alternating high/low temperatures).
4. Safety, Environmental Protection, and Compliance
Non-toxic and odorless, the product has obtained food contact material safety certifications (e.g., compliant with GB 9685-2016 and related standards), enabling safe application in food packaging and food additive sectors. It generates no harmful volatiles during production or use, meeting environmental requirements and fulfilling modern industry demands for green materials.
5. Excellent Compatibility and Processing Adaptability
It exhibits good compatibility with various polymeric materials (e.g., EVA, SBS, SIS, acrylic resins), allowing flexible formulation design to adjust product properties. Its low melt viscosity and suitable softening point ensure excellent processing adaptability in hot-melt processing and solution coating, facilitating industrial production.
IV. Product Applications:
1. Adhesive Industry
Hot-melt adhesives: As a tackifying resin, addition levels of 10%–30% significantly enhance bonding strength to substrates like paper, plastics (e.g., PE, PP), and metals. It reduces melt viscosity, improves flow properties, and ensures uniform distribution during rapid coating processes. Widely used in packaging, bookbinding, and label application.
Pressure-sensitive adhesives: Incorporating 5%–20% hydrogenated rosin glycerol ester (alcohol-soluble) into acrylic or rubber-based pressure-sensitive adhesive formulations enhances initial tack and permanent adhesion. This enables products like adhesive tapes and self-adhesive labels to rapidly bond to surfaces at room temperature while maintaining long-term stable adhesion. Suitable for electronics, automotive interiors, stationery, and related industries. 2. Coatings and Inks Industry
Paints: Used in alcohol-soluble paint systems at 5%–15% addition, it accelerates drying speed while improving film hardness, gloss, and water resistance. In wood coatings, it enhances adhesion to timber surfaces, improves film fullness, and imparts excellent abrasion and scratch resistance.
Inks: As a key component in alcohol-soluble inks, it is added at 8%–20% to enhance ink viscosity, drying properties, and transferability. This ensures uniform ink transfer onto substrates during printing, guaranteeing sharp patterns and vibrant colors. Commonly used in food packaging inks, tobacco and alcohol packaging inks, and other applications with stringent safety requirements.
3. Food Additive Industry
Chewing Gum Bases: Used as a gum base ingredient in chewing gum and bubble gum production at 15%-30% addition. It improves elasticity, plasticity, and mouthfeel, yielding soft yet resilient chewing experiences that resist tooth adhesion. Complies with food safety standards to ensure product safety.
Food Packaging Adhesives: Used in adhesives for food packaging, its non-toxic and safe properties prevent migration of harmful substances during food contact, safeguarding food safety. It also provides reliable bonding to maintain packaging integrity.
Other Applications
Rubber Processing: Adding 2%–5% hydrogenated rosin glycerol ester (alcohol-soluble) to natural or synthetic rubber serves as a tackifier and plasticizer. It enhances compatibility between rubber and fillers, improves processing properties, and boosts the adhesion and abrasion resistance of rubber products such as tires and hoses.
Electronics Industry: Used in sealants and potting compounds for electronic components. Its excellent adhesion and insulation properties secure, seal, and protect electronic parts, preventing ingress of moisture, dust, and corrosive gases. This enhances the reliability and service life of electronic equipment.
V. Usage Instructions:
1. Dissolution Method
Solvent Selection: Preferably use alcohol solvents such as ethanol (95%) or isopropyl alcohol. Ensure solvent purity ≥99% to avoid impurities affecting dissolution efficiency and product performance.
Dissolution Procedure: Break hydrogenated rosin glycerol ester (alcohol-soluble) blocks or sheets into small pieces (to accelerate dissolution). Slowly add the material to the solvent according to the formulation ratio. Stir at room temperature (50–100 rpm) until completely dissolved. If dissolution is slow, temperature may be raised to 40–50°C. However, avoid excessive heat to prevent oxidation or decomposition. Maintain uniform stirring throughout to prevent localized concentration spikes or undissolved particles.
2. Formulation Addition Methods
Adhesives: During hot melt adhesive preparation, first melt the base resin (e.g., EVA) to 150–180°C. Then add the metered amount of hydrogenated rosin glycerol ester (alcohol-soluble), stirring thoroughly (15–20 minutes) until the resin is fully melted and uniformly dispersed. For pressure-sensitive adhesive preparation: Mix the dissolved hydrogenated rosin glycerol ester (alcohol-soluble) solution with other adhesive components (e.g., acrylic emulsion, plasticizers), stirring for 30–40 minutes to ensure complete dispersion of all components.
Paints and Inks: In paint and ink production, add the solution of hydrogenated rosin glycerol ester (alcohol-soluble) prior to grinding or dispersion. Perform high-speed dispersion (speed: 1000–2000 rpm, dispersion time: 20–30 minutes) with other resins, pigments, fillers, etc., to uniformly coat pigment particles with the resin and form a stable system.
VI. Packaging and Storage:
25 kg per bag. Store in a cool, dry, well-ventilated warehouse away from fire sources, heat sources, and strong oxidizing agents. Maintain storage temperature between 5–35°C and avoid direct sunlight.
REMARK |
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract. |
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Hydrogenated Rosin Glycerol Ester (Alcohol-Soluble) BZ13 Excellent alcohol solubility and film-forming properties Paint and Ink Industry
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