Accession Number:

AD0275807

Title:

OSMOMETRY OF HIGH POLYMER SOLUTIONS

Descriptive Note:

Corporate Author:

PICATINNY ARSENAL DOVER N J FELTMAN RESEARCH LABS

Personal Author(s):

• LEE,HSUEH T.
• VALLES,RICHARD J.
• LEVI,DAVID W.

Report Date:

1962-06-01

Pagination or Media Count:

1.0

Abstract:

OSMOTIC PRESSURE MEASUREMENTS ON THREE ALKYL METHACRYLATE POLYMERS ARE DESCRIBED. These include an unfractionated polyn-docosyl methacrylate and samples of fractionated polyn-lauryl methacrylate and poly2-ethylbutyl methacrylate. Weight averagenumber average molecular wt. ratios ranged from about 10 for the unfractionated material to 1.5 - 2 for the fractionated samples. Osmotic second virial coefficients were obtained. From experimental M sub w and M sub n values, viscosity average molecular weights were estimated. Relations between viscosity and the various types of average molecular weights are described and discussed. Author

Descriptors:

• *ACRYLIC RESINS
• *OSMOTIC PRESSURE
• *POLYMERS
• ALKYL RADICALS
• METHYL RADICALS
• MOLECULAR WEIGHT
• PHYSICAL CHEMISTRY
• VISCOSITY

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE