Hydroxyl Functional Acrylic Polyol for High-Performance PU Coatings

Product Overview

Runshine New Materials (Foshan) Co., Ltd. is a specialized manufacturer of high-performance coating resins, including the HAC series of hydroxyl-functional acrylic resins (acrylic polyols). These products are designed for use in two-component polyurethane (2K PU) systems, offering excellent compatibility, reactivity with isocyanates, and outstanding durability.Our comprehensive portfolio encompasses various types of hydroxyl-functional acrylics, such as solvent-borne, water-dispersible, and high-solid versions, to meet diverse formulation needs. They are widely used in automotive, industrial, wood, and plastic coatings due to their strong resistance to yellowing, chemicals, and weathering.With a focus on quality and performance, Runshine provides reliable resin solutions that enhance coating hardness, flexibility, and finish quality for advanced applications worldwide.

Key Features

✧Excellent reactivity with isocyanates – The hydroxyl-functional acrylic resin provides abundant OH groups for efficient cross-linking in two-component polyurethane coatings.

✧Superior weatherability and UV resistance – The acrylic polyol resin contributes to non-yellowing, durable films that retain gloss and color in long-term outdoor exposure.

✧Excellent compatibility with pigments and additives – The hydroxyl-functional resin ensures uniform dispersion and stability of aluminum flakes, matting agents, and colorants.

✧Good flow and leveling – The acrylic polyol enables smooth film formation with high distinctness of image (DOI) and reduced surface defects.

✧Strong adhesion to diverse substrates – The hydroxyl-functional acrylic resin adheres well to plastics, metals, and pre-treated surfaces without priming.

✧High mechanical resistance – The resin enhances hardness, abrasion resistance, and flexibility of the final coating film.

✧Broad formulation latitude – Hydroxyl-functional acrylic resins are available in a range of OH values and molecular weights to adjust crosslink density and performance.

✧Solvent-borne and water-borne variants – The acrylic polyol technology supports both conventional and low-VOC coating systems to meet environmental regulations.

Applications

Our hydroxyl-functional acrylic resins are widely used in high-performance polyurethane coating systems, particularly for plastic substrates requiring excellent adhesion, flexibility, and aesthetics.

◊Primers for motorcycle and automotive interior/exterior plastic parts – delivering strong adhesion and superior topcoat compatibility

◊One-coat PU coatings on plastics – providing an optimal balance of appearance, chemical resistance, and mechanical protection

◊One-coat high-gloss PU coatings on plastics – ensuring exceptional DOI (distinctness of image), smoothness, and durable finish without basecoat

 

Benefits

 

1. Hydroxyl-functional Acrylic Resins for Plastic Parts Primers

Key Traits: High hydroxyl value; excellent adhesion to various plastics; good substrate wetting

✧Primary Benefits:

Enables excellent aluminum-flake orientation and uniform metallic effect

Provides broad compatibility with polyisocyanates and other coating components

Ensures superior leveling and film integrity on plastic substrates

✧Typical Uses:

Primers for motorcycle and automotive interior/exterior plastic parts: Deliver strong adhesion and a smooth base for topcoats, ensuring durability and aesthetic quality.

 

2. Hydroxyl-functional Acrylic Resins for One-Coat PU Systems

Key Traits: Balanced OH functionality; high gloss retention; good pigment wetting and dispersion

✧Primary Benefits:

Delivers high gloss and excellent aluminum-flake orientation in a single layer

Offers cost-effectiveness while maintaining high abrasion and chemical resistance

Ensures effective matting-particle orientation for consistent finish

✧Typical Uses:

One-coat PU coatings on plastics: Supplied as an all-in-one solution with high durability, chemical resistance, and outstanding salt-spray protection.

 

3. Hydroxyl-functional Acrylic Resins for High-Gloss Plastic Coatings

Key Traits: High reactivity; excellent flow and leveling; strong intercoat adhesion

✧Primary Benefits:

Achieves high gloss and exceptional film fullness without multiple layers

Enhances coating durability and visual distinctness of image (DOI)

Provides strong adhesion to plastic substrates, eliminating the need for primers

✧Typical Uses:

One-coat high-gloss PU coatings on plastics: Used in consumer electronics, automotive trims, and household appliances where aesthetics and resistance are critical.