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US 8,877,845 B2Granted
Thermoplastic composition
AssigneeLubrizol Advanced Materials, Inc.
InventorDean Thetford
Life of this patent
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Abstract
The invention relates to a composition containing a particulate solid, a plastic material and a compound obtained/obtainable by a process comprising (i) reacting at a temperature of 12O° C. or less, or 100° C. or less a hydroxycarboxylic acid and a lactone; and (ii) optionally reacting the product of (i) with a C1-50 carboxylic acid. The invention further relates to novel compounds, and the use of the compound as a dispersant in a plastic material.
Claims14
A composition comprising
- a particulate solid, wherein the particulate solid is a pigment, a filler, or extender,
- a plastic material, wherein the plastic material is a thermoplastic polymer, and
- a compound obtained by a process comprising (i) reacting at a temperature of 120° C. or less a hydroxycarboxylic acid and a lactone;
- and (ii) optionally reacting the product of (i) with a C1-50 carboxylic acid,
- wherein at least 10 wt. % of the composition has a particle size fraction of 50 nm to 1 mm.
2 more elements
Dependencies are inferred from the claim text.