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Industrial Chemicals
Carboxylic Butadiene Styrene Latex (XBSL), also known as Carboxylated Styrene-Butadiene Latex or Carboxylated SBR Latex, is a synthetic polymer emulsion produced from butadiene, styrene, and carboxylic acid monomers. It provides a combination of adhesion, flexibility, film formation, mechanical strength, and chemical resistance, making it suitable for paper coating, carpet backing, textile coating, adhesives, nonwoven fabrics, sealants, and flexible coatings.
This unique structure gives XBSL latex excellent film-forming ability, elasticity, adhesion, and chemical resistance. As a professional synthetic latex supplier, TJCY Industrial Chemical provides stable, high-purity XBSL products designed for applications in paper coating, carpet backing, adhesives, and nonwoven fabrics.
Carboxyl styrene butadiene latex is a copolymer formed by lotion polymerization of butadiene, styrene, a small amount of carboxylic acid and other additives. It is an milky white water dispersion with blue purple luster, which is an environment-friendly product
Synonyms/aliases: N/A
Molecular formula: C15H18O2
CAS No: 25085-39-6
UN NO.: N/A
Application:
Carboxylic butadiene styrene latex is a widely used binder in paper and paperboard coating formulations, offering excellent pigment binding, smoothness, and gloss.
It enhances printability, surface strength, and ink holdout, ensuring premium results in coated paper and packaging grades.
In the textile industry, XBSL latex serves as a binder and coating polymer for carpet backing, providing superior flexibility, abrasion resistance, and dimensional stability.
It helps reduce fiber shedding and enhances the carpet’s mechanical durability during long-term use.
Used as a latex adhesive component, carboxylated SBR latex improves tack, cohesion, and peel strength in contact adhesives and construction coatings.
It is compatible with Acrylic Acid and Butyl Acrylate emulsions for hybrid adhesive systems.
In nonwoven production, XBSL latex acts as a binder to improve tensile strength and hand feel.
Its excellent film integrity also benefits lamination of paperboard and flexible packaging materials.
The latex’s elastic nature and chemical resistance make it suitable for sealants, roof coatings, and flexible membranes, extending its value across multiple industries.
Excellent Adhesion
The carboxylated structure helps improve adhesion between the latex binder and different substrates, making it suitable for paper, textile, nonwoven, and coating applications.
Good Film Formation
XBSL forms a continuous polymer film after drying, helping improve surface integrity, coating uniformity, and bonding performance.
Flexibility and Elasticity
The butadiene component provides flexibility and elasticity, which can be beneficial in carpet backing, flexible coatings, sealants, and adhesive formulations.
Mechanical Strength
Carboxylic SBR latex can contribute to improved tensile strength, surface strength, abrasion resistance, and overall mechanical durability.
Chemical Stability
The formulation can provide good chemical and mechanical stability, which is important for industrial processing and storage.
Low VOC Characteristics
According to the current product specification, the product has a VOC value of ≤50 mg/kg, supporting applications where lower volatile emissions are an important consideration.
Packing:
25 kg woven bags, 500 kg jumbo bags, or custom packaging upon request.
Bulk shipments and OEM services are available for industrial customers.
Specification:
| Item | Spec |
| Appearance | Milky-White slightly blue liquid |
| Solids(%) | ≥49 |
| Viscosity（mPa.s） | ≤300 |
| PH Value | 7-9 |
| Particle Diameter（nm） | 150±10 |
| Surface Tensions（mN/m） | 40-55 |
| Mechanical Stability（ppm） | ≤100 |
| Chemical Stability（ppm） | ≤300 |
| Tg(℃) | -20±2 |
| VOC（Volatile organic compounds）(mg/Kg） | ≤50 |
Tianjin Chengyi International Trading Co., Ltd.
8th floor 5th Building of North America N1 Cultural and Creative Area，No. 95 South Sports Road, Xiaodian District, Taiyuan, Shanxi, China.
+86 351 828 1248 / +86 351 828 1246
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