Item No :
Amino Resin For Paints &CoatingApplication :
Suitable for various Baking enamel for industrial use, coil and automobileSpecial Feature :
Excellent adhesion ,flexbility,gloss and anti-abrasion,fullnessProduct Description
Runshine Produces Amino resin is the general term of the resin formed by condensation polymerization of compounds containing amino group and formaldehyde. It is the bridging agent in coatings, and has great impact on the physical properties of the coating especially for the performance of baking paint. Based on the differences in etherified functional groups, it can be subdivided into methyl etherified and butyl etherified types. It is used to mix with alkyd or acrylic resin to make wood and metal baking paint, and its main function is being the cross-linking agent of curing. In particular, the melamine resin has the characteristics of coating hardness, high wear resistance, high gloss, oil and wax resistance, solvent resistance, anti-cracking, anti-aging and anti-discoloration.
Amino resins namely butylated urea, melamine and benzoguanamine formaldehyde resins are the dominating types of resins used in the coating industries for industrial and household appliance’s product finishes. They are formulated not only with alkyds but with epoxies, epoxy esters, thermosetting acrylics, polyvinyl butyrals and oil free polyester resins as well. Amino resins based finishes are designed for mass production applications as they are generally baking type, suitable to meet the demands of volume production with minimum area and time requirements.
Butylated Urea Formaldehyde Resins: These resins give general purpose baking enamels with adequate gloss, hardness, flexibility, adhesion and impact resistance. Further, they are also very advantageously used for low temperature acid catalyzed curing systems for screen enamels and wood lacquers for floor and furniture finishes.
Butylated Melamine Formaldehyde Resins: These resins give better properties over urea resins offering greater hardness, excellent chemical resistance, very high color stability and resistance to over baking coupled with very high dur
Amino resins are a class of thermosetting polymers derived from the reaction of formaldehyde with amino-group-containing compounds such as urea, melamine, and benzoguanamine. These resins are widely used in coatings, adhesives, laminates, and molded products due to their excellent hardness, chemical resistance, and thermal stability. The most common types of amino resin include:
Urea-Formaldehyde Resin (UF)
Melamine-Formaldehyde Resin (MF)
Urea-Melamine Resin (UMF)
Benzoguanamine-Formaldehyde Resin (BGF)
Each type of amino resin offers distinct properties, making them suitable for specific industrial applications.
Urea-formaldehyde resin is one of the most widely used amino resins due to its low cost, fast curing, and strong adhesion properties. It is synthesized by the condensation reaction of urea and formaldehyde under controlled pH and temperature conditions.
High reactivity and fast curing at moderate temperatures
Excellent adhesion to wood, paper, and textiles
Good hardness and scratch resistance
Lower water resistance compared to melamine-based amino resins
Wood adhesives (plywood, particleboard, MDF)
Paper coatings (improves wet strength)
Textile finishes (wrinkle-resistant fabrics)
Molding compounds (electrical components)
Despite its advantages, UF resin has limitations in moisture resistance, making it unsuitable for outdoor applications unless modified with melamine or other additives.
Melamine-formaldehyde resin is a superior amino resin known for its exceptional heat resistance, chemical stability, and durability. It is produced by reacting melamine with formaldehyde, resulting in a highly cross-linked polymer structure.
Superior heat and chemical resistance
Excellent hardness and abrasion resistance
High water and solvent resistance
Good electrical insulation properties
Decorative laminates (countertops, flooring)
Coatings (automotive, appliance finishes)
Molded tableware (heat-resistant kitchenware)
Textile treatments (flame-retardant fabrics)
MF resin is often blended with urea-formaldehyde resin to reduce costs while maintaining performance in applications like wood adhesives.
Urea-melamine resin is a hybrid amino resin combining the cost-effectiveness of urea with the enhanced performance of melamine. This modification improves moisture resistance and mechanical strength compared to pure UF resins.
Balanced cost-performance ratio
Improved water resistance over pure UF resin
Faster curing than pure MF resin
Good adhesion and hardness
Exterior-grade plywood adhesives
Moisture-resistant particleboard
Automotive interior coatings
Paper saturation for decorative laminates
UMF resins are particularly useful in applications where pure UF resin lacks durability but pure MF resin is too expensive.
Benzoguanamine-formaldehyde resin is a specialized amino resin known for its flexibility, high gloss, and excellent compatibility with other polymers. It is synthesized from benzoguanamine, a compound with a benzene ring fused to a triazine structure, providing unique properties.
High flexibility and impact resistance
Excellent gloss retention
Good solubility in organic solvents
Enhanced UV stability
High-gloss industrial coatings
Automotive clear coats
Ink resins (improves printability)
Electronic encapsulants
BGF resin is less common than UF or MF resins but is valued in niche applications requiring superior aesthetics and durability.
Property |
UF Resin |
MF Resin |
UMF Resin |
BGF Resin |
Cost |
Low |
High |
Moderate |
Very High |
Water Resistance |
Poor |
Excellent |
Good |
Moderate |
Heat Resistance |
Moderate |
Excellent |
Good |
Good |
Flexibility |
Low |
Low |
Moderate |
High |
Curing Speed |
Fast |
Moderate |
Fast |
Moderate |
Primary Applications |
Wood adhesives |
Laminates, coatings |
Hybrid wood products |
High-gloss coatings |
Amino resins are widely used as crosslinkers in thermosetting coatings. They enhance hardness, gloss, and chemical resistance in:
Automotive coatings (MF resin for clear coats
Appliance finishes (scratch-resistant surfaces)
Industrial metal coatings (corrosion protection)
Amino resins dominate the wood composite industry due to their strong bonding properties:
Plywood and MDF production (UF and UMF resins)
Furniture manufacturing (MF resin for moisture resistance)
MF resin is the primary binder in high-pressure laminates (HPL) used for:
Kitchen countertops
Flooring materials
Decorative wall panels
Amino resins improve fabric and paper properties:
Wrinkle-free textiles (UF resin)
Wet-strength paper (MF resin for packaging)
Amino resins are used in electrical and heat-resistant molded products:
Circuit breakers (MF resin for insulation
Dinnerware (melamine tableware)
Amino resins, including urea-formaldehyde resin, melamine-formaldehyde resin, urea-melamine resin, and benzoguanamine-formaldehyde resin, play a vital role in modern industrial applications. Each type offers unique benefits, from cost-effective wood adhesives (UF) to high-performance coatings (MF and BGF). As environmental regulations tighten, the development of low-emission and bio-based amino resins will shape the future of this versatile polymer family.
By understanding the properties and applications of different amino resins, manufacturers can select the optimal resin for their specific needs, ensuring durability, efficiency, and sustainability.
Main Feature
Amino resins are the backbone of high-performance baked coatings, with MF amino resin dominating automotive/appliance sectors for its hardness and durability, BF amino resin enabling flexibility in packaging, and UF amino resin offering cost efficiency for wood/metal. Innovations in low-VOC methylated MF amino resin and formaldehyde scavengers align with global sustainability mandates, securing their role in next-generation coatings.
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Application
· aAmino Amino Resin with excellence performance on baked coating like automotive paints,hardware paints, plastic paints ,wood coating etc
Storage&Remarks
Amino resins are the backbone of high-performance baked coatings, with MF amino resin dominating automotive/appliance sectors for its hardness and durability, BF amino resin enabling flexibility in packaging, and UF amino resin offering cost efficiency for wood/metal. Innovations in low-VOC methylated MF amino resin and formaldehyde scavengers align with global sustainability mandates, securing their role in next-generation coatings.
Amino is stable when stored at 20°C for 12 months after delivery date. The recommended temperature range is 5~30 oC. Freezing or storage at higher temperature than 30°C, can affect the viscosity or the average particle size and finally lead to a sedimentation or coagulation. A contamination with bacteria, fungi or algae can damage the product irreversible
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