Evaluation of Organic Carbonaes as Components of Low Hygroscopic Brake Fluids.

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Abstract:

The object of the study was to evaluate organic carbonates as components of low hygroscopic brake fluids. Propylene carbonate and glycol ether carbonates were screened as brake fluid components and subjected to tests listed in Federal Specification VV-B-680. Stability of the carbonates was determined by refluxing mixtures of the carbonates with various conventional brake fluids and their components and measuring CO2 evolution. It was concluded that none of the carbonates tested would be satisfactory brake fluid components due to their chemical instability, which could result in vapor locking of the brake system. Author

Author(s):
Jordan, Charles B. ; Jamison, Robert G.
Author Organization(s):
ARMY COATING AND CHEMICAL LAB ABERDEEN PROVING GROUND MD
Descriptive Note:
Final rept.,
Pagination:
0021

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
CCL-297
Project Number(s):
DA-1-T-062105-A-108
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
(*HYDRAULIC FLUIDS, *CARBONATES), (*HYDRAULIC BRAKES, HYDRAULIC FLUIDS), ESTERS, BOILING POINT, ADDITIVES, DECOMPOSITION, WATER
Field(s)/Group(s):
Lubricants and Hydraulic Fluids
Keyword(s):
*BRAKE FLUIDS, VAPOR LOCK
Report Date:
1971 Nov 01