01Overview
939 Styrene‑Acrylic Self‑Crosslinking Emulsion
The 939 Styrene‑Acrylic Self‑Crosslinking Emulsion is specifically formulated for high-PVC and low-odor interior paints. It undergoes spontaneous cross-linking at room temperature to form a dense film with superior scrub resistance compared to conventional 109 emulsions. With minimal free monomer content and virtually no odor, it fits perfectly into low-odor formulations. Its anionic system ensures excellent compatibility with all types of additives. Recommended dosage: 21%–30% for standard interior flat paints, 24%–33% for high-PVC low-odor interiors, and 26%–34% for economical exterior flat paints and primer applications.
Model:939 Styrene‑Acrylic Self‑Crosslinking Emulsion Category:Emulsions & Resins

02Introduction
939 Styrene‑Acrylic Self‑Crosslinking Emulsion
The 939 Styrene‑Acrylic Self‑Crosslinking Emulsion is specifically formulated for high-PVC and low-odor interior paints. It undergoes spontaneous cross-linking at room temperature to form a dense film with superior scrub resistance compared to conventional 109 emulsions. With minimal free monomer content and virtually no odor, it fits perfectly into low-odor formulations. Its anionic system ensures excellent compatibility with all types of additives. Recommended dosage: 21%–30% for standard interior flat paints, 24%–33% for high-PVC low-odor interiors, and 26%–34% for economical exterior flat paints and primer applications.
03Features
Introduction
Forms a dense film via self-crosslinking at room temperature, offering superior scrub resistance vs. ordinary emulsions
Features low free monomer content and minimal odor, ideal for low-VOC formula requirements
Exhibits excellent compatibility as an anionic system, mixing stably with various additives
Recommended dosage ranges are precise, suitable for multiple coating applications.
04Specifications
Technical Specs
| CAS Number | 25085‑34‑1 |
| Molecular Formula | 自交联型苯乙烯-丙烯酸酯共聚物 |
05Applications
Applications
Coatings, water-based paints, stone paints, putty, mortar, fireproof coatings & building material systems
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