Additive mixture having a nucleating action for plastics compositions
AssigneeHoechst Aktiengesellschaft
InventorsMathias Mehrer, Gerhard Pfahler, Thomas Stahrfeldt
Life of this patent
Estimating the term…
Abstract
The present invention relates to additive mixtures having a nucleating action for plastic compositions, comprising nucleating agents based on dibenzylidenesorbitol, or derivatives therof, and amido-functional compounds. The aldehydes formed from the nucleating agents by decomposition during processing and use of the plastics treated therewith are collected and bound by adsorption, absorption and/or chemcial reaction.
Claims17
An additive mixture having a nucleating action for plastic compositions, consisting essentially of nucleating agents based on dibenzylidenesorbitol, or derivatives thereof, and amido-functional compound consisting of thermoplastic polyamide resin.
A process for the use of an amido-functional compound consisting of thermoplastic polyamide resin for reducing the incidence of odor from decomposition fragments of dibenzylidene sorbitol-based nucleating agent when contained in a thermoplastic which is processed at a temperature of at least 200.degree. C., consisting of combining said amido- functional compound with said dibenzylidene sorbitol-based nucleating agent in said thermoplastic and processing said thermoplastic at a temperature of at least 200.degree. C.
Dependencies are inferred from the claim text.