LIGHT RESISTANCE OF POLYPROPYLENE

THE STABILITY OF POLYPROPYLENE ON EXPOSURE TO LIGHT AND THE MEANS FOR IMPROVING ITS LIGHT RESISTANCE ARE DISCUSSED. POLYPROPYLENE IS SUSCEPTIBLE TO OXIDATION. TYPES OF ADDITIVES WIDELY USED TO PROTECT POLYPROPYLENE ARE ANTIOXIDANTS, HYDROPEROXIDE DECOMPOSERS, AND LIGHT STABILIZERS. CARBON BLACK IS THE MOST EFFECTIVE LIGHT ABSORBING PIGMENT. THE LIFETIME OF POLYPROPYLENE VARIES APPROXIMATELY AS THE SQUARE ROOT OF THE ULTRAVIOLET ABSORBER CONCENTRATION. DATA ON PIGMENTS VS. WEATHERING OF POLYPROPYLENE IN FLORIDA AND THE EFFECT OF LINEAR ORIENTATION ON WEATHERING OF THIN GENERAL-PURPOSE POLYPROPYLENE FILM ARE GIVEN IN TABLES.

• Supplemental Notes:
  • Vol 44, No 8, P 145, 2 FIG, 2 TAB
• Authors:
  • Mctigue, F H
  • Blumberg, M
• Publication Date: 1967-4

Media Info

• Serial:
  • Modern Plastics
  • Publisher: McGraw-Hill, Incorporated

Subject/Index Terms

• TRT Terms: Absorbents; Additives; Antioxidants; Carbon black; Hydrogen peroxide; Light; Oxidation; Pigments; Polypropylene; Stabilizers; Tables (Data); Weathering
• Old TRIS Terms: Absorbers /materials/; Resistance
• Subject Areas: Geotechnology; Highways; Materials;

Filing Info

• Accession Number: 00216187
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 27 1994 12:00AM