Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1977-11-09
1979-04-24
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Heating or drying
427390D, 427394, B05D 302
Patent
active
041513169
ABSTRACT:
Polyethylene terephthalate fiber-containing fabric is flameproofed by application of an aqueous suspension of finely divided particles consisting essentially of octagonal hexabromide formed by the incomplete bromination of cis, trans, trans cyclododecatriene to provide a mixture having a melting point in the range of 177.degree.-191.degree. C. determined by differential scanning colorimetry using a heating rate of 10.degree. C. per minute. The treated fabric is dried and then heated with the octagonal hexabromide particles thereon to a temperature above the melting point of the mixture, but not in excess of about 200.degree. C. for a period long enough to achieve adequate penetration (30 seconds), to cause the hexabromide particles to diffuse into the fibers of the fabric to maximize fire resistance and obtain proper fixation of the particles to the fabric in a manner providing durability to laundering with minimum damage to the fabric.
REFERENCES:
patent: 3558727 (1971-01-01), Jenkner et al.
patent: 3877974 (1975-04-01), Mischwtin
patent: 3974310 (1976-08-01), Mischwtin
Chas. S. Tanner Co.
Lusignan Michael R.
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