Composites and gelcoats
Methacrylate materials for high performance and sustainable composite systems
Move to low styrene solutions for your composite and gelcoat applications
- Building and construction
- Energy industry
- Transportation
- Marine
- Industrial appliances
- Electronics
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
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) | T∝ (°C) | |
| UPR(1) & VER(2) systems | Optimized stiffness/flexibility | SR261 | Decanediol dimethacrylate | 2 | 310 | 12 | T∝=106 |
| SR540 | BisphenolA (4EO) dimethacrylate | 2 | 572 | 640 | T∝=106 | ||
| CN2003EU | Aliphatic epoxy acrylate for VER(2) | 2 | 3 000 | 3 600 @60°C | 13 | ||
| CN9002 | Aliphatic epoxy acrylate for VER(2) | 2 | 7 650 | 3 700 @60°C | -44 | ||
| CN981 | Aliphatic epoxy acrylate for VER(2) | 2 | 2 200 | 24 000 @50°C | 35 | ||
| Hardness, heat & chemical resistance | SR350D | TMPTMA | 3 | 338 | 50 | T∝>100 | |
| SR348L | BisphenolA (2EO) dimethacrylate | 2 | 452 | 1 530 | T∝=172 | ||
| SR834 | Tricyclodecanediol dimethacrylate | 2 | 332 | 108 | T∝>150 | ||
| CN112C60 | Novolac epoxy acrylate for VER(2) | 3 | 2 900 | 52 000 | T∝=132 | ||
| CN159 | BisphenolA epoxy methacrylate for VER(2) | 2 | 550 | 12 000 @50°C | T∝=185 | ||
| Adhesion | SR9054 | Acidic adhesion promoter | 1 | / | 1900 @25°C | / | |
| SB400 | Acidic adhesion promoter | 1 | 11000 | 20 000 @25°C | / | ||
| 2K epoxy/amine systems | Viscosity reduction & high reactivity | MCure 206 | Reactive modifier | / | 100-110* | 15 | / |
| Optimized flexibility/impact resistance | MCure 301 | Reactive modifier | / | 100-110* | 30 | / | |
| Viscosity reduction and very high reactivity | MCure 400 | Reactive modifier | / | 80-90* | 225 | / |
*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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