THE EFFECT OF SULFONATES ON THE PERMEABILITY OF OIL FILMS.

Abstract

The intent of the study was to measure the permeability of oil films to water vapor and to relate this property to the oils' protective ability. Ther permeation of water vapor through oil films was determined by measuring the surface potential changes as the metal/oil interface with the vibrating condenser apparatus. Surface potential data showed the following order of increasing water adsorption for oil solutions containing 2% by weight of metal dinonylnaphthalene sulfonates (DNNS): CaDNNS, EtDDNNS, BaDNNS, ZnDNNS, NH4DNNS, PbDNNS and NaDNNS. The study showed that surface potentials could be used to distinguish the difference between the metal dinonylnaphthalene sulfonates. Also, the surface potential changes caused by water vapor adsorption was shown to correlate with the protective ability in the humidity cabinet test. (Author)

Document Details

Document Type
Technical Report
Publication Date
May 01, 1968
Accession Number
AD0670974

Entities

People

  • Peter Martin Jr.

Tags

DTIC Thesaurus Topics

  • Adsorption
  • Humidity
  • Humidity Cabinets
  • Permeability
  • Sulfonates
  • Vapors
  • Water Vapor

Fields of Study

  • Environmental science

Readers

  • Analytical Chemistry
  • Combustion and Flow Dynamics.
  • Surface Coatings Technology.

Technology Areas

  • AI & ML