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Composites and gelcoats

Methacrylate solutions for advanced performance and low VOC systems

 

  • Building and construction
  • Energy industry
  • Transportation
  • Marine
  • Industrial appliances
  • Electronics

 

 

 

methacrylate monomer and oligomer resins for styrene replacement in composites and gelcoats transport application

Low VOC resins

The use of Sartomer's high performance reactive diluents enables to reduce Styrene and MMA contents in composite and gelcoat systems:

 

 

 

  • Low volatility
  • High cutting power
  • Good reactivity
  • Good mechanical performance
methacrylate monomer resins for low voc low styrene composite and gelcoat

SR214: an ideal candidate to replace styrene

  Styrene Vinyl toluene MMA SR214
Viscosity @25°C (mPa.s) 0.72 0.78 0.6 5
Mw (g/mol) 104 118 100 226
Boiling point (°C) 145 168 101 250-290
Vapor pressure @60°C (Pa) 5 000 1 700 22 000 < 10

 

Specialty methacrylates: a full range to increase performance

Product code Viscosity @25°C (mPa.s) Boiling point (°C) MEHQ (ppm) Tg (°C) Performance
SR423D 13 < 70 145 115 Very high Tg
SR214 5 250-290 250 T∝=140 High cutting power and stiffness
SR239EU 6 290-310 HQ 90 30 Good cutting power and high elasticity
SR205H 8 > 310 300 T∝=124 High boiling point and low shrinkage
SR210HH 15 > 200 400 T∝=90 Good filler wetting properties; Polymer status

 

SR210A and SR214A, high reactivity with extended shelf life:

Advanced performance

The unique chemistries of Sartomer's (meth)acrylates will provide outstanding properties to your systems:

 

 

  • High flexibility
  • Increased temperature resistance
  • Improved toughness and Young modulus

 

 

 

 

 

Our selection for your composite and gelcoat systems

                 Performance Code Description Functionality Mw (g/mol) Viscosity@25°C (mPa.s) Tg (°C)
             UPR(1) & VER(2) systems       Optimized stiffness/flexibility  SR261  Alkyl dimethacrylate  2  310  12  T∝=106
 SR540  BPA ethoxylated dimethacrylate  2  572  640  T∝=106
 SR596  Specialty tetramethacrylate  4  576  75  T∝=90
 CN2003EU  Aliphatic epoxy VER(2)  2  3 000  3 600 @60°C  13
 CN9002  Aliphatic urethane VER(2)  2  7 650  3 700 @60°C  -55
 CN981  Aliphatic urethane VER(2)  2  2 200  24 000 @50°C  35
     Hardness, heat & chemical resistance  SR350D  TMPTMA  3  338  50  T∝>100
  SR348L  BPA ethoxylated dimethacrylate  2  452  1 530  T∝=172
 SR834  Specialty dimethacrylate  2  332  108  T∝>150
CN112C60  Novolac epoxy VER(2)  3  2 900  52 000  T∝=132
 CN159  BPA epoxy VER(2)  2  550  15 000 @50°C  T∝=185
Adhesion SR9050  Acidic adhesion promoter  1  /  23  /
  2K epoxy/amine systems  Viscosity reduction & high reactivity MCure 206  Reactive diluent  /  100-110*  15  /
 Optimized flexibility/impact resistance MCure 203   Reactive diluent  /  420-450*  1 750  /

 *Equivalent weight

(1) Unsaturated Polyester Resin

(2) Vinyl Ester Resin

Our vinyl esters mechanical properties mapping

Tensil test according to ISO527-3

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