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US 6,713,545 B2Granted
Universal masterbatch
AssigneeCabot Corporation
InventorsNicole Petiniot, Philippe Rasquin
Life of this patent
Estimating the term…
Abstract
A universal masterbatch composition for adding fillers and particularly pigment to polymers, having up to 85%, by weight, of at least one filler, up to 25%, by weight, of at least one viscosity modifier and a remainder quantity of a styrene butadiene block copolymer. The composition further includes up to 5%, by weight, of at least one processing aid and up to 2%, by weight of at least one antioxidant.
Claims9
A masterbatch composition comprising:
- an SBS block copolymer;
- a filler;
- and
- a viscosity modifier selected from the group consisting of ethylene bis stearamide, polybutylene and hot-melt acrylate copolymer,
- wherein the viscosity modifier is present in an amount up to 25% by weight of the composition and the filler is present in an amount up to about 85% by weight of the composition.
2 more elements
A masterbatch resin consisting essentially of:
- an SBS carrier resin;
- a filler;
- and
- a viscosity modifier selected from the group consisting of ethylene bis stearamide, polybutylene and hot-melt acrylate copolymer.
1 more element
Dependencies are inferred from the claim text.