Name: Styrene-Butadiene Resin Solution SBR-2000
Brand: Coatingsink
SKU: styrene-butadiene-resin-sbr-solution
Availability: InStock

Question 1

What is the primary role of the styrene/butadiene ratio in SBR resins?

Accepted Answer

The S/B ratio of ~70/30 in SBR-2000 gives a relatively hard, glassy resin (Tg ~15°C) versus natural rubber-like elastomers. High styrene content improves hardness, chemical resistance, and adhesion to polar surfaces. Higher butadiene content would lower Tg and increase elasticity. The 70/30 grade is suited for semi-rigid adhesive and primer applications.

Question 2

Can SBR-2000 solution be used in waterborne formulations?

Accepted Answer

SBR-2000 is a solvent-borne product dissolved in toluene. For waterborne applications, SBR latex (aqueous dispersion) is the appropriate alternative. However, SBR-2000 solution can be used as an adhesion primer in hybrid systems where a thin solvent-borne tie coat is applied before a waterborne topcoat on rubber or textile substrates.

Film Tg	~15°C
Solvent	toluene
Non-volatile	35±2%
Viscosity (25°C)	500–1200 mPa·s
Styrene/Butadiene Ratio	~70/30

Styrene-Butadiene Resin Solution SBR-2000

Specifications

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