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US 5,844,027 AGranted
Stabilizer composition for thermoplastic materials
AssigneeCiba Specialty Chemicals Corporation
InventorsDavid Carl Burdick, Stuart Frank Laermer, Sai-Shek Young
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Abstract
A stabilizing system for plastic materials is disclosed. This system comprises a homogenous blend of alpha-tocopherol, optionally together with other additives and a polyolefin carrier which is a free flowing solid form. The free flowing solid form is easy to incorporate into plastic materials.
Claims20
A stabilizing system for organic material susceptible to thermal, oxidative or/and light induced deterioration comprising a blend of (a) alpha-tocopherol optionally together with other additives;
- and (b) a polyolefin carrier, wherein (a) is present in an amount of from 20 to 80 percent by weight based on the total weight of the system and (b) is present in an amount of from 80 to 20 percent by weight based on the total weight of the system.
Dependencies are inferred from the claim text.