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I. Composition and Properties
A-9380 is a copolymer of E-10 and (meth)acrylate monomers, using IPA/DPM as a solvent. This resin has good water solubility and excellent workability. The resulting paint film exhibits excellent gloss, fullness, hardness, and chemical resistance, making it suitable for use as a water-soluble topcoat.
II. **Product Technical Specifications**
1. Appearance: Light yellow and transparent, free of mechanical impurities.
2. Color: <1
3. Viscosity (Grifrick, 25℃), seconds: Z1-Z3
4. Solids (150℃, 1h), %: 80±2
5. Acid Value (solution, mgKOH/g): 35-50
III. **Applications**
A-9380 resin is mainly used in conjunction with (partially) methylated amino resins. After neutralization with a neutralizing agent, it is used to prepare water-based clear varnishes for use as a topcoat on security doors, electric vehicles, and other engineering vehicles.
IV. 【Reference Formulation for Clear Varnish】
A-9380 52
Dimethylethanolamine 4
Amino 625 18
Leveling Agent (DS-245) 0.2
Anti-oil Agent (Degao 500) 0.2
Cosolvent (Ethanol/DPM/BCS=4/3/3) 16
Deionized Water 10
Instructions:
1. First, mix A-9380 thoroughly with the water-based amino resin. Then, add dimethylethanolamine and stir to neutralize. Measure the pH value with pH paper; it should be between 7.0 and 7.5. Then add the other materials and stir thoroughly (the varnish viscosity is approximately 30-40 seconds from a Ford cup 4).
2. Dilute the above varnish with 20% deionized water to the application viscosity. Spray onto the primer or topcoat and bake at 150℃～160℃ for 20～30 minutes. The varnish film will have excellent gloss and fullness.
This article is for reference only and does not constitute a guarantee. Please conduct experiments beforehand to determine if it suits your specific requirements.
Nantong Baisen Chemical Co., Ltd
Wang Hongfei：8613901470336
Sun Chenglong：8613921132449
python@baisenhg.com
Rudong County Chemical Industry Agglomeration Zone, Jiangsu Province, China