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US 9,850,359 B2Granted
Voided plastics film
AssigneeArjobex Limited
InventorsJonathan Cooper, Bharath Chandra, Mark Grimbley
Life of this patent
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Abstract
A formulation for making voided plastics film including a polyolefin, a filler and a voiding agent. The voiding agent is a glycerol ester of fumaric rosin or a pentaerythritol ester of fumaric rosin.
Claims16
A formulation for making voided plastics film, the formulation comprising a polyolefin, a filler and a voiding agent, wherein the voiding agent is either a glycerol ester of fumaric rosin or a pentaerythritol ester of fumaric rosin and has an average minimum Ring and Ball softening point in the range of 155° C. to 175° C.
Dependencies are inferred from the claim text.