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Specifications of Hydrogenated rosin丨CAS 65997-06-0
|
Property |
Specification |
|
Appearance |
Yellow to Red solid |
|
Color (Lovibond) Yellow to Red |
1.4–12 |
|
Softening Point (R&B) |
72°C min |
|
Acid Value |
162 mgKOH/g min |
|
Abietic Acid |
2% max |
|
Dehydroabietic Acid |
10% max |
|
Tetrahydroabietic Acid |
30% min |
Hydrogenated rosin丨CAS 65997-06-0, also known as hydrogenated gum rosin or reduced rosin, is a chemically modified derivative of natural rosin (resin obtained from pine trees) where the unsaturated bonds in the resin acids are hydrogenated. This modification improves color stability, oxidation resistance, and overall performance in various industrial applications.
Key Applications of Hydrogenated rosin丨CAS 65997-06-0
1. Adhesives and Hot Melt Glues
● A primary component in pressure-sensitive adhesives (PSAs), hot melt adhesives, and sealants.
● Provides excellent tack, cohesion, and stability, especially in formulations requiring light color and low odor.
● Used in:
o Packaging tapes
o Labels
o Bookbinding
o Construction adhesives
2. Inks and Coatings
● Used as a resin modifier or binder in printing inks and surface coatings.
● Hydrogenation increases oxidative stability, making it ideal for UV-curable inks and high-quality varnishes.
● Delivers better color retention and reduced yellowing over time.
3. Rubber Compounding
● Acts as a plasticizer and tackifier in rubber products, especially in natural rubber and synthetic elastomer blends.
● Improves elasticity, processability, and adhesion of rubber to various surfaces.
● Common in tire manufacturing, footwear, and automotive rubber parts.
4. Personal Care and Cosmetics
● Occasionally used in chewing gums, lipsticks, and deodorant sticks due to its film-forming and adhesive properties.
● Preferred over unmodified rosin in sensitive applications because of lower allergenicity and improved stability.
5. Soldering Fluxes
● Added to rosin-based soldering fluxes in electronics manufacturing.
● Hydrogenation reduces the resin's reactivity and color darkening, resulting in cleaner solder joints and less residue.
6. Pharmaceutical Excipients
● Hydrogenated rosin丨CAS 65997-06-0 is used in controlled-release coatings and tablets due to its film-forming ability and biocompatibility.
● Its hydrophobic nature helps regulate moisture penetration and drug release profiles.
Benefits of Hydrogenated rosin丨CAS 65997-06-0
1. Enhanced Oxidation Resistance
● Hydrogenation significantly increases oxidative and thermal stability, reducing the risk of yellowing or resin breakdown over time.
● Ideal for long-lasting outdoor and industrial applications.
2. Light Color and Low Odor
● Offers improved aesthetic properties for use in cosmetics, adhesives, and coatings.
● Light-colored grades meet stringent standards for transparent or white products.
3. Improved Compatibility
● Compatible with a wide range of elastomers, waxes, resins, and oils, enhancing formulation flexibility.
● Widely used in blending with EVA, SBS, SEBS, and other polymers.
4. Renewable and Biobased
● Derived from natural pine resins, making it a sustainable alternative to petroleum-based resins.
● Aligns with green chemistry and eco-friendly product design.
Conclusion
Hydrogenated rosin丨CAS 65997-06-0 is a versatile, high-performance resin prized for its light color, stability, and compatibility in a wide array of industries-from adhesives and inks to rubber and pharmaceuticals. Its natural origin, combined with enhanced chemical properties, makes it a preferred choice for modern, sustainable formulations requiring consistent quality and environmental compliance.
