KDD 735 is a benzene-free functional resin from KDD Chemicals' low-hydroxyl thermoplastic acrylic resin series, designed for multi-substrate general protective coatings, PU primers and resin modification. This transparent to slightly emulsified liquid resin with butyl acetate as solvent has excellent adhesion to metal and nylon+glass fiber substrates, forming dense, smooth and high-gloss film with outstanding water resistance and good recoatability
High solid content & efficient film formation - 75% high solid content formula, low volatile matter, high film-forming efficiency, balancing environmental protection and coating effect.
Excellent appearance performance - Forming film with high fullness and gloss, 60° gloss above 97, smooth and flat paint surface with good distinctness of image.
Outstanding comprehensive performance - Combining weather resistance and chemical resistance, hardness above 2H, ensuring long-term stable performance of the coating.
Efficient construction characteristics - Prominent quick-drying property, excellent leveling, easy to construct and prepare, suitable for large-scale production needs.
Automotive and motorcycle coating: Original automotive paint, refinish paint and motorcycle exterior paint, improving paint surface texture and durability.
High-grade home appliance coating: High-end topcoat for outer casings of refrigerators, washing machines and other home appliances, combining decoration and protection.
High-grade wood coating: Topcoat for solid wood furniture, high-end wooden doors and other wood products, highlighting wood texture and improving product grade.
General industrial topcoat: High-end topcoat for construction machinery, hardware accessories, etc., adapting to protection needs under harsh working conditions.
| Resin Appearance | Clear and transparent liquid |
| Chemical Type | Modified hydroxyl acrylic resin |
| Solid Content (wt%) | 75±2 |
| Viscosity (30℃, cps) | 4000~9000 |
| Acid Value (mgKOH/g) | 5~10 |
| Color | <1 |
| Hydroxyl Value (OH, mgKOH/g) | 138 |
| Solvent | Xylene |
| Gloss (60°, PU Varnish) | ≥97 |
Q1: What is the primary function of KDD KDD735 Acrylic Resin in coating formulations?
A: KDD KDD735 is a reactive acrylic resin designed to enhance film hardness, gloss retention, and chemical resistance in solvent-based and high-solids industrial coatings. It functions as a crosslinkable binder or modifier, contributing to improved mar resistance and substrate adhesion without compromising flow or leveling.
Q2: Is KDD KDD735 compatible with common curing agents such as melamine formaldehyde or polyisocyanates?
A: Yes — KDD KDD735 contains hydroxyl functionality and is formulated for compatibility with standard amino resins (e.g., melamine-formaldehyde) and aliphatic/aromatic polyisocyanates. Optimal cure performance is achieved when matched with appropriate catalysts and baking conditions typical for thermosetting acrylic systems.
Q3: How should KDD KDD735 be incorporated into a formulation to ensure stability and performance?
A: It is recommended to add KDD KDD735 during the let-down stage under moderate agitation, following dissolution of primary resins. Avoid high-shear mixing at elevated temperatures prior to full dilution. Formulation stability is generally maintained in aromatic and ester-based solvents; compatibility testing with specific co-resins and additives is advised before scale-up.
Q4: Can KDD KDD735 be used in low-VOC or high-solids applications?
A: Yes — KDD KDD735 exhibits favorable solution viscosity and solids content characteristics, making it suitable for high-solids coating systems targeting reduced VOC emissions. Its molecular design supports efficient film formation at lower solvent demand, though final VOC compliance depends on the full formulation matrix and application method.
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