434310
Polybutadiene, surface-modified
pore size 250 μm, powder (free-flowing)
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About This Item
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form
powder (free-flowing)
contains
poly(butadiene-co-styrene), polybutadiene, natural rubber, carbon black, petroleum oil, zinc oxide, and other additives (varying amounts)
impurities
<0.05 wt. %
color
black
pore size
250 μm
surface energy
55 dyn/cm
density
1.12 g/mL at 25 °C (lit.)
Application
Toughening additive for epoxy polymers.[1]
Additive to urethane foam, cast wheels, coatings, linings and adhesives, at 10-40 wt. %
Additive to urethane foam, cast wheels, coatings, linings and adhesives, at 10-40 wt. %
Features and Benefits
Material is hygroscopic. Inert filler and impact-resistant material. Polar surface groups assist chemical and physical bonding to matrix material. Added to urethanes, polysulfides, nitrile rubber and other polymers to lower cost, improve adhesion and increase impact resistance. Low moisture content allows addition to moisture sensitive materials.
Physical form
Particle surface is oxidized to contain acid groups.
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Journal of Applied Polymer Science. Applied Polymer Symposium, 66, 271-271 (1997)
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