Polysiloxanic stabilizers containing sterically hindered phenol group and reactive groups

US5292850A · kind A · utility

Assignee

• Enichem Synthesis · IT

Inventors

• Luciano Pallini · Salsomaggiore Terme, IT
• Daniele Fabbri · Riccione, IT
• Rossella Farris · San Donato Milanese, IT
• Carlo Neri · San Donato Milanese, IT

Key dates

• Filing date: Sep 11, 1992
• Grant date: Mar 8, 1994
• Expiry date: Sep 11, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2312/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polymeric stabilizers with a polysiloxanic structure contain sterically hindered phenol groups and reactive groups capable of binding themselves to the polymeric structure to be stabilized. These polymeric stabilizers are particularly suitable for applications which require the non-extractability of additives due to solvents, fats or soaps.