DSM NeoCryl B-731 Solid Acrylic Resin IBMA Copolymer - UV Curing Flexibility Enhancer, Alkyd Compatible, for Plastic Coatings UV Inks & Fast-Dry Industrial Paints

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Full Name: NeoCryl B-731 Solid Acrylic Resin (IBMA Copolymer)

Product Positioning: UV Curing Flexibility Enhancer · For Plastic Coatings & UV Inks. Low acid value IBMA copolymer with excellent compatibility with alkyd resins and UV systems, designed for UV curing and fast-dry systems requiring increased flexibility.

Key Technical Parameters

Chemical Type: IBMA Copolymer

Appearance: White Granules / Beads

Solid Content: ≥ 98%

Avg. Molecular Weight (Mw): 55,000

Glass Transition Temp (Tg): 56°C

Acid Value: 1-2 mg KOH/g

Softening Point (R&B): 135°C

Density (20°C): 1.04 kg/L

Solubility: Mineral Spirits, Aromatics, Esters, Ketones, Isopropanol

Packaging: 25 kg/bag

Core Advantages

UV Curing Flexibility Enhancement: Specifically for UV curing systems, effectively increases coating flexibility, reduces curing internal stress and cracking risk

Alkyd Resin Compatibility: Used in combination with medium and long oil alkyd resins, significantly improves drying speed and durability

High Gloss & Fast Release: Forms tough and flexible films with high gloss, fast solvent release, good wetting on non-polar surfaces

Broad Compatibility: Compatible with plasticizers, vinyl, NC, CAB and other acrylates, high formulation flexibility

Main Application Areas

Plastic Coatings: PS, ABS and other plastic substrates

UV Inks: UV curable inks and coatings

Gravure / Screen Inks: Gravure and screen printing inks

Fast-Dry Industrial Paints: Fast-drying industrial coatings