Method for analysis of treated glass fibers

Details Method for analysis of treated glass fibers Method for analysis of treated glass fibers

1975-04-14

1977-06-07

Smith, Ronald H.

Coating processes

Measuring, testing, or indicating

23230A, 23230M, 23230PC, 427289, 427353, 427385A, 427434D, C03C 2502, G01N 3112

Patent

active

040284727

ABSTRACT:
A method for determining the degree of cure of glass fibers coated with a heat-cured polymeric material wherein the coated glass fibers are contacted with water at an elevated temperature for a time sufficient to extract watersoluble carbon material from the heat-cured polymeric material, and the resulting extract is subjected to analysis to determine the carbon content of the extract. It has been found that the carbon content of the aqueous extract is inversely proportional to the degree of cure of the polymeric material.

REFERENCES:
patent: 3383350 (1968-05-01), Pettyjohn
patent: 3679457 (1972-07-01), Gordon
patent: 3730759 (1973-05-01), Marzocchi
patent: 3765927 (1973-10-01), Marzocchi

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