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VeoVa 10 Monomer

Description

VeoVa™ 10 monomer is the vinyl ester of Versatic™ acid 10, a synthetic saturated monocarboxylic acid with a highly branched structure containing ten carbon atoms. Its structure may be represented as:

VeoVa structure

R1 and R2 are alkyl groups containing a total of 7 carbon atoms. VeoVa 10 monomer, a low viscosity liquid with a typical mild ester odor, is a very attractive monomer for the manufacture of polymers through reactions of the vinyl group. It imparts a combination of flexibility (medium to low Tg), hydrophobicity and very good chemical and UV resistance.

Application

VeoVa 10 monomer is widely used as a modifying co-monomer in the manufacture of vinyl acetate based polymer latices. VeoVa 10 monomer is also used for the production of VeoVa 10/(meth)acrylic latices and solution polymers.

Examples of VeoVa 10 monomer based polymer applications are:

  • Decorative emulsion paints, plasters and renders.
  • Industrial paints and coatings such as anti-corrosion paints, wood coatings and varnishes and coatings for polyolefins.
  • Latices and spray-dried redispersible powders for mortar admixtures.
  • Latices for adhesives including Pressure Sensitive Adhesives, construction and wood adhesives.
  • Reactive diluent for specific heat-cured unsaturated polyesters.

Sales Specification

Property Standard Value Unit Test Method
Acid Value 1.0 max mg KOH/g ASTM D1639
Appearance Clear liquid, free from suspended matter ASTM D4176
Color 15 max. Pt-Co ASTM D1209
Density at 20°C 875.0 - 885.0 kg/m³ ASTM D4052
Refractive Index Nᴰ₂₅ 1.432 - 1.437 N/mm² ASTM D1218
Vinyl Unsaturation* 4.85 - 5.10 mol/kg SMS 2687
Water Content 0.10 max % (m/m) ASTM E203

*Vinyl unsaturation in moles/kg x 16 = Bromine number in grams of Br/100g

Typical Properties

Property Standard Value Unit Test Method
Added Inhibitor 5 +/-2 mg/kg LPM 3112
Boiling Range 133-136* °C ASTM D1078
Copolymerisation Parameters** e -0.530; Q 0.026
Flash Point (PMCC) 75 °C ASTM D93
Glass Transition Temperature (Tg) of Homopolymer *** (vinyl acetate homopolymer = 32°C) -3 °C ASTM D3418
Kinematic Viscosity at 20°C 2.2 mm2/s ASTM D445
Latent Heat of Vaporisation at 20°C 48.9 kJ/mol
Miscibility with Vinyl Acetate Completely miscible
Molecular formula (theoretical) C₁₂H₂₂O₂
Molecular mass (theoretical) 198
Pour Point Below -60 °C ASTM D97
Solubility in Water at 20-80ºC < 0.1 % (m/m)
Solubility of Water in Monomer at 20-80ºC 0.05 % (m/m)
Specific Heat at 20°C 1.97 kJ/kg °C ASTM E1269
Specific Heat of Polymerisation 96 kJ/mol ASTM E1269

*      measured at a reduced pressure (100 mm Hg)

**    Using constants according to Young, J.Pol.Sci. 54,411, e=-0.22, Q = 0.026 for Vinyl acetate

***  By differential scanning calorimetry (onset value 20ºC per minute).