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Thermoplastic polymer compositions comprising hydrogenated castor oil, methods of making, and non-migrating articles made therefrom

A kind of technology of thermoplastic polymer, hydrogenated castor oil, used in the preparation of such compositions, the field of non-migration products

Inactive Publication Date: 2015-07-22
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Removing the diluent not only necessitates additional processing and waste disposal, but can also result in the removal of other desired additives such as dyes, pigments and / or fragrances

Method used

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  • Thermoplastic polymer compositions comprising hydrogenated castor oil, methods of making, and non-migrating articles made therefrom
  • Thermoplastic polymer compositions comprising hydrogenated castor oil, methods of making, and non-migrating articles made therefrom
  • Thermoplastic polymer compositions comprising hydrogenated castor oil, methods of making, and non-migrating articles made therefrom

Examples

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example 1-8

[0214] Material :

[0215] polymer : The main polymer used in this work is polypropylene (PP) based, but other polymers can be used (see eg US Patent 6,783,854 which provides a comprehensive list of possible polymers, however not all have been tested). The specific polymers evaluated were:

[0216] Lyondell-Basell Profax SR549M clarified random copolymer polypropylene

[0217] · Braskem FT200WV nucleated homopolymer polypropylene

[0218] wax : The specific waxes used are:

[0219] • Hydrogenated Soybean Oil ("HSBO") supplied by Stratas Foods.

[0220] • Hydrogenated Castor Oil ("HCO") supplied by Alnoroil Company, Inc.

[0221] Compounding of the composition :

[0222] Melt blending of the polymer and wax compositions was accomplished using a Werner and Pfleiderer ZSK 30 co-rotating twin-screw extruder equipped with two 30 mm universal screws each with standard mixing and conveying elements. The polymer pellets and wax powder can be metered into the extruder usi...

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Abstract

Polymer-hydrogenated castor oil compositions comprising intimate admixtures of thermoplastic polymer and hydrogenated castor oil. Methods of making and using polymer-hyrogenated castor oil compositions, and non-migrating articles made therefrom.

Description

technical field [0001] The present invention relates to thermoplastic polymer compositions comprising an intimate admixture of thermoplastic polymer and hydrogenated castor oil. The invention also relates to methods of making such compositions and non-migrating articles made therefrom. Background technique [0002] Thermoplastic polymers, such as polypropylene and polyethylene, are characterized by relatively high molecular weights. Thermoplastics, consisting primarily of long linear polymer molecules, have little or no crosslinking. When thermal energy is applied (ie, heat), it softens or even becomes liquid, enabling thermoplastic polymers to be shaped. When softened or melted, thermoplastic polymers can be processed, for example, by extrusion or injection molding. On cooling, thermoplastic polymers typically form a crystalline structure to produce a smooth surface finish and significant structural strength. [0003] The material properties of thermoplastic polymers ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/103C08L23/10
CPCC08L23/142C08L23/12C08K5/103C08K5/11D01F1/10C08L91/00
Inventor J·M·雷曼A·E·尼尔特纳野田勇夫E·B·邦德W·M·阿伦M·M·萨托科斯基
Owner PROCTER & GAMBLE CO
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