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MODIPER® S SERIES |
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The MODIPER® S Series is a styrene-vinyl acetate block copolymer developed by NOF from a unique polymeric peroxide. The series includes MODIPER® MS10B, a methyl methacrylate-styrene block copolymer.
The MODIPER® S Series is an excellent shrinkage inhibitor for unsaturated polyester (UP) resins. The MODIPER® S Series is an especially effective shrinkage inhibitor for SMC and BMC molding, peltrusion molding, hand layup and spray up room temperature molding, and resin concrete. MODIPER® S Series is also useful as a compatibility agent for PS and SBS shrinkage inhibitor UP resins. |
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MODIPER® S Series basic properties and examples of application
| Product name |
Composition*1
(wt%) |
Viscosity*2
(Pa·s) |
CAS No. |
Characteristics |
Applicable molding methods |
MODIPER®
SV10B |
PVAc-b-PS(10/90) |
1.8 |
79509-24-3 |
Standard grade |
SMC·BMC,
Pultrusion molding,
Hand lay up,
Spray up,
Resin concrete |
| SV10A |
Same as above |
3.8 |
84888-24-4 |
Acid denaturized grade |
SMC·BMC |
| SV30B |
PVAc-b-PS(30/70) |
2.3 |
79509-24-3 |
Standard grade |
SMC·BMC |
| S501 |
PVAc-b-PS(50/50) |
0.5 |
148079-39-4 |
Low viscosity,
acid denaturized grade |
Pultrusion molding,
Hand lay up,
Spray up,
Resin concrete |
| MS10B |
PMMA-b-PS(10/90) |
2.0 |
106911-77-7 |
Improves machining properties |
Hand lay up,
Spray up,
Resin concrete |
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*1 PVAc: poly vinyl acetate, PS: polystyrene, PMMA: Polymethyl methacrylate
*2 Solid content 30wt% styrene solution viscosity (at 25ºC) |
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[Application examples]
- SMC: Bathtubs, waterproof pans, water tank panels, septic tanks, etc.
- Hand lay up, spray lay up: pipe joints, FRP molds, etc.
- BMC: Breaker boxes, all types of housing, parabola antenna, etc.
- Resin concrete: Bathroom wall paneling, artificial marble, etc.
- Pultrusion molding: Septic tanks reinforcement rings, etc.
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