Quick Search

PRODUCTS

TACKIFIER ROSIN ESTERS

Tackifier Rosin Esters can provide aggressive tack and peel, and give a unique balance of room temperature and low temperature adhesion in pressure sensitive adhesives.
Tackifier Rosin Esters is a low softening point, waterborne tackifier for pressure sensitive adhesives. 
Tackifier Rosin Esters is commonly used in applications such as water-based adhesives and glue. 

CAS Number: 68648-53-3
Molecular Formula: C6 H14 O4.unspecified
EINECS Number: 271-996-4

Synonyms: 8050-31-5, Glycerin Rosin Ester, 138A,  138AL,  140A,  140A (Ester),  8BG,  90I,  Abiester 90,  Bevilite 62-88,  Bevipale 85,  Bremasin 1380,  DM 399010G,  DS 70L,  Dertoline G 2L,  Dertoline G 5,  Dertoline RC,  Dertoline RC 2,  Dertopoline CG,  E 445,  E 445 (Rosin Ester),  Eastman Ester Gum 8D,  Eastman Ester Gum 8L-M,  Ester Gum 105,  Ester Gum 8BG,  Ester Gum AAG,  Ester Gum AAV,  Ester Gum RE,  Ester Gum S 100,  Fuda 90I,  Gedir 100M,  Glycerides, Rosin,  Glycerol Ester Of Disproportionated Rosin,  Glycerol Ester Of Wood Rosin,  Granolite SG,  Hariester DS 70L,  Hariester DS 816,  Hariester DS 90,  Hariester DS 90S,  Hariester L,  Hariester S,  Hariester T,  Hariester TF,  Hercules Ester Gum 8D,  K-Solution,  K-Solution NK,  MG 905,  Neotall 85,  Permalyn 2095,  Permalyn 5095,  Pinova Ester Gum 8BG,  R 2100 (Resin),  Resiester GUM 35V,  Resinall 625, Rosin Glyceride,  Rosin, Glycerol Ester,  S 202,  S 202 (Tackifier),  S 780G,  Snowtack 780G,  Snowtack 790,  Stepilac R 80,  Super Ester A 18,  Super Ester S 100,  Sylvalite RE 85L,  Vinsol Ester Gum,  Wood Rosin, Ester With 1,2,3-Propanetriol,  Zonester 55Resin acids and Rosin acids, hydrogenated, esters with triethylene glycol, Rosin triethyleneglycol ester, hydrogenated, rosin, hydrogenated, triethylene glycol ester, Resin acids, hydrogenated, esters with triethylene glycol, Staybelite Ester 3E, Polyethylene glycol hydrogenated resin ester

Tackifier Rosin Esters is a pentaerythritol ester of hydrogenated rosin. 
Offers excellent oxidation resistance, high softening point, light color and low odor.
Provides wide solubility and compatibility range.

Tackifier Rosin Esters combines the feature of light initial color and good color retention with the advantages of excellent long-term retention of adhesive properties and UV light stability.
Tackifier Rosin Esters of Hydrogenated Rosin shows compatibility with natural & synthetic rubber, chlorinated rubber, ethylcellulose, EVA copolymer, low molecular weight polyethylene, SIS, SBS block copolymer, APAO, acrylic resin, polyamide resin, polyurethane compounds, PVP, polyvinylbutyral, nitrocellulose, drying oils and alkyd resins.
Recommended for caulks and sealants, assembly, packaging, hygiene adhesives, labels, tapes and other adhesive applications.

Tackifier Rosin Esters are a type of chemical compound derived from rosin, which is a natural resin obtained from pine trees or other coniferous plants. 
These esters are created by reacting rosin with polyhydric alcohols (like glycerol or pentaerythritol), resulting in materials that are used primarily to improve the tack (or stickiness) of adhesives.
In more detail, tackifier rosin esters are essential ingredients in the formulation of pressure-sensitive adhesives (PSAs), hot-melt adhesives, rubber-based adhesives, and sealants, because they enhance the initial stickiness of a surface when it comes into contact with another. 

This quality is especially important in products like tapes, labels, stickers, and packaging materials, where instant grip is needed without long curing times.
These compounds are favored not only for their excellent adhesive-enhancing properties but also because they can be derived from renewable resources, making them more environmentally friendly compared to some synthetic alternatives. 
Additionally, rosin esters are available in various softening points, viscosities, and stabilities, allowing manufacturers to fine-tune adhesive formulations to meet specific performance needs across different industries.

Tackifier Rosin Esters are a range of rosin ester tackifiers compatible with many polymers, including high & low vinyl acetate EVA, acrylics, SBR, SIS, and SBS. 
​Its characteristics allow formulation flexibility in hot-melt, water-based, and solvent-based adhesives.
Tackifier Rosin Esters is a unique waterborne tackifier that combines high solids content and high adhesion performance and stability at high speed. 

Tackifier Rosin Esters can be used with higher softening point tackifiers to improve low temperature properties and to prevent cold cracking. 
Tackifier Rosin Esters has a suitable FDA status for use in food packaging applications covered by 175.105. 
Tackifier Rosin Esters is a pentaerythritol ester of rosin, which has good combination of adhesion and good heat resistance. 

Tackifier Rosin Esters can function as tackifier for hot-melt adhesive and other adhesives.
Tackifier Rosin Esters’ s Rosin esters are compatible with a broad range of waterborn binders, SBR and Hot-melt formulaions.
Tackifier Rosin Esters are a critical component in modern adhesive systems, and their production involves a well-controlled chemical process that tailors their molecular structure for specific applications. 

The manufacturing process typically begins with the collection of raw gum rosin, wood rosin, or tall oil rosin, which are all forms of natural resins derived either directly from pine trees or as byproducts of the paper pulping industry. 
These resins contain abietic acid and related diterpene acids, which form the foundation of the rosin’s chemical structure. 
During the esterification process, these acids are reacted with multifunctional alcohols, resulting in rosin esters that are either partially or fully esterified, depending on the desired level of polarity, hardness, and softening point.

Density:1.06[at 20℃]
Indirect Additives used in Food Contact Substances ROSIN, HYDROGENATED, TRIETHYLENE GLYCOL ESTER
EWG's Food Scores: 1

Tackifier Rosin Esters is low softening point ester of tall oil rosin ester with good stability and mild odor. 
Tackifier Rosin Esters has wide compatibility to be used in adhesive systems to provide wetting and low temperature tack. 
Tackifier Rosin Esters offers aggressive tack, low solution viscosity, low volatility and good wetting performance. 

Tackifier Rosin Esters shows compatibility with EVA, EBA, SIS, SBS, SB-, natural- & butyl rubber, neoprene and acrylic polymers. 
This grade is readily emulsifiable for use in water-based systems. 
Tackifier Rosin Esters is used in PSA tapes & labels, packaging, flooring, construction, sealants and hot-melt applications.

Tackifier Rosin Esters are specialized chemical compounds that are primarily used to enhance the adhesive properties of various bonding agents, especially in industrial and commercial adhesive formulations. 
These esters are synthesized by chemically modifying natural rosin, a brittle, sticky substance obtained from the distillation of resin harvested from pine trees or other coniferous sources, through a reaction with polyols such as glycerol, ethylene glycol, or pentaerythritol. 
The resulting rosin esters are thermoplastic in nature, meaning they soften when heated and solidify upon cooling, which makes them highly suitable for hot melt adhesive applications where precise control over temperature and setting time is crucial.

Tackifiers serve a very specific function in adhesive systems—they are not the main adhesive polymer themselves, but instead act as performance enhancers by increasing the tack, which is the immediate stickiness felt when the adhesive is pressed against a surface. 
This is especially important in products like pressure-sensitive adhesives (PSAs), which must maintain a delicate balance between initial grab and clean removability, such as in masking tapes, medical tapes, labels, and consumer stickers.

Rosin esters also play a key role in rubber-based adhesives used in various packaging and construction materials, helping improve the bond strength without significantly altering the flexibility or elasticity of the adhesive matrix. 
Depending on the degree of esterification and the choice of polyol used in the formulation, manufacturers can tailor the softening point, viscosity, and oxidative stability of rosin esters, allowing for customized solutions suited to different climates, substrates, and performance requirements.
Because they are derived from renewable resources, tackifier rosin esters are often viewed as more sustainable alternatives to synthetic tackifiers made from petroleum-based materials. 

This makes them increasingly attractive for companies aiming to reduce their environmental footprint while still maintaining high performance standards in their adhesive products.
Tackifier Rosin Esters are not limited to just the adhesives industry. 
They are also widely used in coatings, inks, sealants, and even rubber compounding, where they act as plasticizers, wetting agents, or flow modifiers. 

In printing inks, for example, rosin esters help improve gloss, adhesion, and pigment dispersion, especially in flexographic and gravure printing applications. 
In rubber formulations, they enhance compatibility with elastomers and improve processing characteristics, which is particularly beneficial in tire manufacturing, shoe soles, and industrial belts.
Tackifier Rosin Esters also come in different forms, including liquid, solid, and emulsified versions, each suited to specific processing methods and end-use requirements. 

The solid grades, often available as pastilles or flakes, are used in hot melt and solvent-based adhesives, while emulsified or water-dispersible rosin esters are preferred in environmentally friendly, water-based adhesive systems due to their lower VOC (volatile organic compound) content.
As global industries place a stronger emphasis on sustainability and bio-based solutions, tackifier rosin esters are gaining more attention for their renewable origin and biodegradability, providing a greener alternative to synthetic hydrocarbon tackifiers made from petroleum. 

Companies across sectors such as packaging, personal care, construction, automotive, and consumer electronics are integrating rosin-based tackifiers to not only meet performance standards but also align with eco-conscious product strategies.
The type of alcohol used and the degree of esterification significantly influence the final properties of the tackifier. 

For instance, rosin esters made with pentaerythritol generally have a higher softening point and are more stable at elevated temperatures, making them ideal for hot melt adhesives used in high-temperature environments like automotive interiors or electronics assembly. 
On the other hand, Tackifier Rosin Esters made with glycerol or triethylene glycol tend to offer more flexibility and are used in pressure-sensitive adhesives (PSAs) where instant tack and peel strength are critical.

Uses:
Tackifier Rosin Esters are extensively used in the adhesive industry, where their primary function is to significantly improve the tack, cohesion, and adhesion characteristics of various types of adhesives, particularly in pressure-sensitive adhesives (PSAs) that are used in everyday products such as self-adhesive labels, packaging tapes, protective films, medical bandages, and office tapes. 
In these applications, rosin esters help achieve an immediate bond to a wide variety of surfaces—including paper, plastic, metal, and skin—without the need for heat, pressure, or long curing times, making them ideal for fast-paced, high-throughput environments like packaging lines or medical facilities.

In hot melt adhesives (HMAs), which are widely used in bookbinding, carton sealing, automotive trim installation, and disposable hygiene products like diapers and feminine hygiene pads, rosin esters act as both a compatibilizer and a performance enhancer. 
They improve the flow and wetting properties of the adhesive at high temperatures while ensuring that the final bond remains strong, flexible, and resistant to mechanical stress or environmental changes such as heat and humidity.
The rubber industry also relies on tackifier rosin esters to enhance the green tack of rubber compounds, which refers to the stickiness of uncured rubber. 

This is essential in the manufacturing of products such as automotive tires, shoe soles, rubber hoses, and conveyor belts, where maintaining adhesion between layers of rubber before vulcanization (curing) is critical for the structural integrity and performance of the final product.
In the inks and coatings industry, particularly in the production of printing inks used in flexographic, gravure, and letterpress processes, rosin esters serve to improve the gloss, drying speed, and adhesion of inks to various substrates, including plastic films, paperboard, and foil. 
They also help to disperse pigments evenly and enhance the durability of the printed material, which is vital in packaging and label printing where vibrant colors and resistance to smudging are important.

In sealants and caulks, especially those used in construction and automotive applications, Tackifier Rosin Esters help modify the viscosity and flexibility of formulations, ensuring that the product remains easy to apply and forms a long-lasting, watertight seal that can withstand expansion, contraction, and exposure to various weather conditions.
Another important application lies in cosmetics and personal care products, where water-compatible or specially refined rosin esters are used as film-formers, viscosity modifiers, or structuring agents in products such as lipsticks, mascaras, and hair styling gels. 
These rosin-based esters help impart a desirable consistency and long-lasting wear to beauty products, while also being safe for skin contact.

Furthermore, in the agriculture and forestry sectors, rosin ester emulsions are occasionally used as adjuvants or sticking agents in pesticides and fertilizers, where they help active ingredients adhere better to plant surfaces, increasing the effectiveness of the treatment even under rain or wind.
Finally, because tackifier rosin esters are bio-based and biodegradable, they are increasingly being incorporated into sustainable product lines across industries that are seeking to reduce their reliance on synthetic, fossil-fuel-derived materials—making them a popular choice for brands looking to market eco-friendly or green-labeled adhesives and coatings.

In the packaging industry, tackifier rosin esters play a crucial role in ensuring that adhesives used in corrugated box sealing, laminated film bonding, and label affixation perform reliably under high-speed conditions and variable environmental factors. These adhesives must maintain strong tack even on low-energy surfaces like polyethylene or polypropylene, which are notoriously difficult to bond. Rosin esters improve the adhesive’s ability to wet and cling to such surfaces instantly, preventing lifting or curling of labels or seals during shipping, storage, or shelf display.

In textile and nonwoven applications, such as in the production of disposable hygiene products, filter materials, and geotextiles, tackifier rosin esters are used to enhance the performance of hot melt spray adhesives that are applied in very thin layers. 
These adhesives must create durable bonds between fabric layers without compromising breathability, softness, or flexibility. Rosin esters contribute to the required open time, tack retention, and thermal stability, ensuring that these products remain comfortable and functional even after extended use or exposure to body heat and moisture.

In the automotive industry, beyond their role in tire manufacturing, rosin esters are formulated into adhesive tapes and sealants used for bonding interior trim, insulating electrical wires, installing sound-deadening materials, and attaching emblems or badges. 
Because automotive applications often require resistance to extreme temperatures, vibration, and chemical exposure, high-performance rosin esters with tailored molecular weights and controlled softening points are selected to ensure long-term adhesion and compatibility with diverse substrates such as metal, plastic, and rubber.
In electronics manufacturing, particularly for devices like smartphones, tablets, and display screens, tackifier rosin esters are often used in optically clear adhesives (OCAs), which bond screen layers without distorting light transmission. 

These rosin esters must be highly purified and color-stable to avoid yellowing or clouding over time. 
Their ability to provide high tack and peel strength without compromising clarity or UV resistance is essential to maintaining the aesthetic and functional quality of high-end electronic displays.
In the bookbinding and print finishing industries, hot melt adhesives enhanced with rosin esters are used to bind pages quickly and securely, ensuring that books, catalogs, and notebooks remain intact even after repeated use. 

These adhesives must exhibit good set speed, heat resistance, and flexibility, especially when used with glossy or coated papers. 
Rosin esters help optimize the melt viscosity and open time of the adhesive, enabling smooth, even application and a tight bond along the spine.
In arts and crafts or DIY markets, tackifier rosin esters are often present in consumer glue sticks, craft adhesives, and repositionable glue dots. 

Tackifier Rosin Esters are designed for ease of use, clean application, and moderate holding strength, often for use on paper, cardboard, or lightweight fabric. 
Rosin esters give these adhesives their characteristic instant grab and tackiness, while allowing them to remain safe for household use and skin contact.
In medical and healthcare fields, pressure-sensitive adhesives containing refined rosin esters are used in wound care products, surgical drapes, transdermal patches, and skin-friendly tapes. 

These adhesives must form a secure bond to skin without causing irritation or damage upon removal. 
Tackifier Rosin Esters, especially those that have been hydrogenated or stabilized for purity, offer the right balance of adhesion, moisture resistance, and biocompatibility for such sensitive applications.

In the woodworking and construction industries, adhesives and sealants containing tackifier rosin esters are used for edge banding, flooring installation, insulation bonding, and panel laminating. 
These applications require adhesives that can withstand stress, temperature changes, and substrate movement over time. 
Tackifier Rosin Esters help improve gap-filling ability, adhesion to porous surfaces, and initial tack, reducing the need for mechanical fasteners or clamps during assembly.

Safety Profile:
Although most rosin esters used in adhesives are relatively safe under normal conditions, unrefined or impure forms, or residual rosin acids left in the esterified product, can sometimes cause mild skin or eye irritation. 
This is especially relevant during production or high-volume handling, where fine dust particles, vapors, or unreacted materials may come into direct contact with skin or mucous membranes. 
Workers handling solid or powdered forms of tackifier resins without proper personal protective equipment (PPE) such as gloves, goggles, or dust masks may be at risk of dermatitis, itching, or eye redness.

During the manufacturing process—especially when heating, melting, or grinding rosin esters—fumes, aerosols, or dust particles may be released. 
These airborne substances can be irritating to the respiratory tract, particularly in enclosed or poorly ventilated environments. 
Prolonged or repeated inhalation may lead to asthma-like symptoms, coughing, or wheezing, particularly in people who are already sensitive to resin acids or have pre-existing respiratory conditions. 

Some rosin compounds (especially raw or partially esterified rosins) are classified as respiratory sensitizers, and exposure limits may apply in certain regulatory regions (like under OSHA or REACH guidelines).
Tackifier Rosin Esters are typically combustible, especially in their solid or molten form. 
When heated beyond their recommended processing temperatures (often around 200–250°C), they can release flammable vapors or even smoke containing potentially harmful byproducts. 

In hot-melt adhesive operations, there's a risk of thermal decomposition, which can produce acrid fumes, carbon monoxide, carbon dioxide, or even formaldehyde, depending on the specific formulation. 
Adequate ventilation, temperature control, and fire prevention measures (such as grounding equipment and keeping flammable materials away) are crucial during processing.

While tackifier rosin esters are generally biodegradable, some formulations or modified esters (especially those with additives or stabilizers) may pose a risk to aquatic life if large quantities are spilled or improperly disposed of. 
In cases where tackifiers are used in emulsions or water-based systems, the surfactants or solvents in the blend—not necessarily the rosin ester itself—could contribute to chemical oxygen demand (COD) in wastewater or disrupt ecosystems. 
Proper containment, waste handling, and adherence to local environmental regulations are essential to minimize risk.
 

  • Share !
E-NEWSLETTER