Hyperbranched Acrylate Oligomer Manufacturer & Products

Innovative UV-curable dendritic and hyperbranched polymer technologies driving the next generation of industrial coatings, eco-friendly inks, and high-performance adhesives.

What is a Hyperbranched Acrylate Oligomer?

Hyperbranched acrylate oligomers represent a milestone in polymer design. Unlike standard linear or branched oligomers, hyperbranched structures feature highly branched, globular architectures with high end-group density. This chemical topology leads to a set of unique performance characteristics:

  • Newtonian Flow & Low Viscosity: The spherical macromolecular structure reduces chain entanglements, offering low system viscosity even at high molecular weights. This facilitates low-VOC or solvent-free formulation.
  • High Multi-functionality: The abundance of reactive acrylate end-groups ensures exceptionally fast curing under ultraviolet (UV) or electron beam (EB) exposure.
  • Low Volume Shrinkage: Due to their compact, pre-condensed globular structure, hyperbranched systems exhibit lower volume shrinkage upon curing compared to linear counterparts, maximizing substrate adhesion.

These properties are critical in demanding applications, including optical films, flexible packaging, 3D printing (SLA/DLP), automotive clear coats, and wood coatings that require excellent hardness, scratch resistance, and chemical stability.

Key Architectural Advantages

Conventional oligomers face a persistent trade-off between viscosity and crosslinking density. Increasing functionality usually results in high viscosity, which requires dangerous monomer dilution. Hyperbranched architectures break this limitation, enabling highly functional, high-molecular-weight systems with manageable viscosity.

>8 Reactive Sites
<35% Shrinkage vs Linear
Zero VOC Target Compatibility

About Our Company

Guangdong Ever Ray Environmental Material Co., Ltd. — A high-tech pioneer in UV-curable materials, driving green chemical solutions since 2006.

Guangdong Ever Ray Factory Facility

Established in 2006, Guangdong Ever Ray Environmental Material Co., Ltd. is a nationally recognized high-tech enterprise. We focus exclusively on the research, development, and high-volume manufacturing of oligomers for UV-curable resins, including epoxy acrylates, polyurethane acrylates (waterborne, aliphatic urethane, and aromatic urethane variants), polyester acrylates, pure acrylates, and special functionalized hyperbranched acrylate oligomers.

Over nearly two decades, we have aligned our manufacturing capability with stringent quality control standards, ensuring that our clients receive consistent chemistry batch after batch. We operate under the ISO9001 quality management system and ISO14001 environmental management system, using automated processes to minimize emissions and energy consumption.

Advanced Production Infrastructure

To support high-volume supply contracts, Ever Ray operates two strategic production bases:

Jiangmen Production Base (Guangdong) With an area of approximately 10,000 square meters, this facility is optimized for targeted batch runs and customized functionalizations.
Yunfu Production Base (Guangdong) Spanning 40,000 square meters, this facility handles bulk synthesis, complete with storage silos, quality inspection labs, and dedicated logistics pipelines.

Both plants are equipped with a state-of-the-art DCS fully computerized control system. This ensures real-time control over polymerization temperatures, pressure parameters, feed rates, and raw material addition, eliminating batch-to-batch inconsistencies.

Production Facility Line 1
Production Facility Line 2
Quality Control Laboratory
Warehouse Facilities

Our commitment to intellectual property and innovation is evidenced by our portfolio of more than 10 invention and utility patents. Our R&D department features a dedicated group of 15+ professional coating and polymer technicians. By selecting premium raw materials and partnering with domestic UV material research institutes, we develop tailored formulations to meet specific cost constraints or high-performance parameters.

R&D Capabilities and Certifications
20,000+
Annual Tons Capacity
15+
R&D Chemists & Specialists
10+
Invention & Utility Patents
2006
Established Year

Macro-Industry Solutions & Trends

Adapting polymer chemistry to meet the demands of global environmental regulations and advanced manufacturing processes.

1. Transition to LED-UV Curing

Traditional mercury vapor lamps generate significant heat and ozone, which raises environmental and operational concerns. Modern lines are transitioning to LED-UV curing systems (typically operating at 365nm, 385nm, or 395nm). Hyperbranched acrylate oligomers offer high functionality, which helps counter the oxygen inhibition and lower peak intensities associated with LED systems, ensuring a tack-free finish at high line speeds.

2. Zero-VOC Legislation Support

Global regulatory frameworks (such as China's GB30981-2020, EU REACH, and US SCAQMD regulations) restrict Volatile Organic Compound (VOC) emissions. The low viscosity of hyperbranched acrylates allows formulators to design high-solids or 100% reactive UV-curable coatings, reducing the need for volatile thinning solvents while maintaining optimal application viscosity.

3. Optoelectronics & Flexible Packaging

Modern functional electronics and high-speed packaging require protective clear coats with high refractive indexes, excellent adhesion to untreated substrates (PET, PMMA, metalized films), and good flexibility. Hyperbranched acrylates are engineered with specific chemical links that resist yellowing, retain high transparency, and provide reliable adhesion across varying substrates.

Technical Comparison: Hyperbranched vs. Standard Oligomers

Property Parameter Standard Aliphatic Polyester Acrylate Standard Epoxy Acrylate Hyperbranched Acrylate Oligomer (e.g., 4600)
Viscosity (mPa.s at 25°C) Medium-High (5,000 – 15,000) Very High (20,000 – 80,000) Low-Medium (1,500 – 4,500)
Functionality (Acrylate Groups) 2 to 4 2 6 to 12+
Volume Shrinkage (%) 5% – 8% 4% – 7% < 2.5%
Cure Rate (Reactivity) Moderate Fast Ultra-Fast (excellent surface curing)
Surface Hardness & Resistance Good flexibility, lower hardness High hardness, brittle High hardness + excellent scratch resistance

Global Procurement Needs

Industrial procurement teams look for suppliers that can provide consistent product quality, stable supply chains, and regulatory compliance. At Ever Ray, we address these priorities through structured operations:

1. Continuous Supply and Scaling

Operating two manufacturing plants with a total capacity exceeding 20,000 tons annually allows us to handle large-volume orders and maintain stable buffer stock, mitigating supply chain disruptions.

2. Regulatory & Environmental Compliance

We supply technical documentation to support global compliance requirements. Our products comply with EU REACH registration guidelines, RoHS directives, TSCA, and regional VOC frameworks.

3. Direct Technical Support

We provide custom tailoring of viscosity, reactivity, and monomer dilution to match our clients' specific application requirements.

Global Logistics & Packing Specifications

Our products are packaged to maintain stability during transport and storage:

  • Standard Steel Drums: 200 kg net weight, sealed with nitrogen gas to prevent polymerization and moisture ingress.
  • IBC Totes: 1000 kg net weight, optimized for high-volume automated compounding lines.
  • Storage Recommendations: Store in dry, cool, and well-ventilated areas away from direct sunlight and heat sources. Recommended storage temperature: 5°C to 35°C. Shelf life is 12 months under proper storage conditions.
Technical Note: UV resins are light-sensitive. Avoid exposing raw containers to sunlight or ambient UV lighting during handling or dispensing.

Technical Roadmap & Future Outlook

How Guangdong Ever Ray is innovating today to address tomorrow's challenges in green chemistry and advanced manufacturing.

Bio-Based Raw Materials

To reduce dependence on fossil fuels, our R&D pipeline is evaluating bio-derived polyols (such as glycerol, sorbitol, and dimer acids) as core components for next-generation hyperbranched structures, aiming to achieve bio-carbon content exceeding 40% without compromising performance.

Dual-Cure (UV + Thermal/Moisture) Systems

To address the challenge of curing shadowed areas in complex 3D parts, we are designing hyperbranched oligomers with dual functional groups (e.g., combining acrylate functionality with isocyanate or alkoxysilane terminations) to enable secondary thermal or moisture curing.

Next-Gen 3D Printing Polymers

High-resolution additive manufacturing requires low-viscosity resins with rapid cure speeds and minimal shrinkage. We are developing hyperbranched polyester and polyurethane acrylates specifically for SLA, DLP, and LCD 3D printing, enabling high dimensional accuracy and clean print details.

Frequently Asked Questions

Find answers to common technical, logistics, and application questions about our UV-curable oligomers and hyperbranched polymers.

Q1: How do hyperbranched acrylate oligomers improve scratch resistance in clear coats?
Hyperbranched acrylates contain multiple reactive groups per molecule, leading to a high crosslinking density during UV exposure. This creates a dense, three-dimensional network that resists mechanical wear and scratching. Their compact, spherical molecular shape also helps reduce shrinkage stress, which improves adhesion and prevents micro-cracking in the coating.
Q2: Can these oligomers be used without reactive monomer diluents?
Yes, in many formulations. Their globular structure gives them a lower viscosity than linear oligomers of similar molecular weight. This allows you to formulate low-viscosity coatings, inks, or spray applications with minimal monomer dilution, helping you meet low-odor and zero-VOC requirements.
Q3: How does Ever Ray control batch-to-batch quality across its production bases?
Our factories in Jiangmen and Yunfu are certified under ISO9001 and ISO14001. We use a DCS computerized system to monitor reaction temperatures, pressure profiles, and feeding rates in real time. We also test raw materials before production and inspect finished products in our quality labs, checking parameters like viscosity, acid value, color, and cure speed to ensure consistency.
Q4: Are your hyperbranched oligomers compatible with LED-UV curing systems?
Yes. LED-UV systems (typically emitting at 365nm, 385nm, or 395nm) deliver lower peak energy than traditional mercury lamps and are susceptible to surface oxygen inhibition. The high density of acrylate groups on our hyperbranched oligomers increases local reaction rates, helping achieve rapid, tack-free surface curing under LED light sources.
Q5: What is the typical shelf life of your UV oligomers, and how should they be stored?
Our UV oligomers have a shelf life of 12 months when stored in their original, sealed containers. They should be kept in a cool, dry place (between 5°C and 35°C) away from direct sunlight, UV light, and heat sources, as exposure to light can cause premature gelation.
All Hyperbranched Acrylate Oligomer Products