DSM帝斯曼水性(xìng)聚氨酯 Neorez R-986

　　NeoRez R-986is a hard, chemical resistant polyurethane  dispersion for use in high performance topcoats.

 

　　Typical properties

　　Type anionic, aliphatic polycarbonate dispersion

　　Appearance semi translucent/grey/yellow liquid

　　Total solids (% w/w) 35

　　pH (25°C) 8.0

　　Viscosity Brookfield (25°C; mPa.s) 100

　　Volatiles 13.5% N-methylpyrrolidone， water

　　Neutralising agent TEA (1.5%)

　　Density of dispersion (20°C; kg/l) 1.06

　　Freeze/thaw stability stable

 

　　Film properties

　　- Hard and abrasion resistant, high gloss

　　- Elongation 160%, König hardness 200 sec.

　　- Water, humidity, solvent and UV-resistant

　　- Adhesion to plastics such as PVC and PC

 

　　Recommendation for end-use

　　- PVC and non-PVC flooring top coats

　　- In combination with acrylic emulsions for plastic coatings (e.g. automotive parts, business machines,  Hi-Fi equipment)

　　- Metal and industrial wood coatings

　　- Detergent resistant overprint varnishes

 

　　Formulating guidelines

　　- NeoRez R-986 is a very compatible polyurethane dispersion and even suitable for pigment grinding

　　- Small additions (1-2%) of Crosslinker CX-100 will improve chemical resistance and mechanical properties

　　- NeoRez R-986 is somewhat softer compared to NeoRez R-985 and the best choice when curing conditions are at ambient temperature

　　- See our guide formulations for specific information