Abstract:
Adherent coatings of arylene sulfide polymers are formed by applying a mixture of the polymer and an oxide or sulfide of cobalt or molybdenum to a solid substrate such as iron, steel, aluminum and ceramic.
Abstract:
Normally solid poly(arylene sulfide) containing about 0.5 to about 50 weight percent TiO2 is applied to a substrate to form a leveled coating without pinholes which is intimately bonded to the substrate. Preferably, the polymer-TiO2 mixture is applied as a slurry in a carrier liquid such as ethylene glycol, methyl alcohol, water, toluene, and the like, or mixtures thereof, and thereafter heated to form a coating.
Abstract:
COOKWARE WHICH IS TO COME IN CONTACT WITH FOOD SUBSTANCES WHICH CAN EXTRACT ORGANIC SULFUR IS COATED WITH A COMPOSITION COMPRISING POLY(ARYLENE SULFIDE) AND 330 PARTS OF A FLUOROCARBON POLYMER PER 100 PARTS OF SAID POLY(ARYLENE SULFIDE). THE RESULTING COATING IS HIGHLY RESISTANT TO EXTRACTION OF ORGANIC SULFUR.
Abstract:
POROUS COMPOSITIONS OF A POLY(ARYLENE SULFIDE) POLYMER AND A PARTICULATE HEAT RESISTANT MATERIAL WHICH ARE SUITABLE FOR FORMING INTO BEARINGS OR OTHER ARTICLES OF MANUFACTURE ARE PREPARED BY (A) FORMING A SLURRY OF A POLY(ARYLENE SULFIDE) POLYMER HAVING A PARTICLE SIZE OF 1 TO 3500 MICRONS WITH A PARTICULATE HEAT RESISTANT COMPOUND SUCH AS ASBESTOS HAVING A PARTICLE SIZE OF 1 TO 3500 MICRONS IN A VOLATILIZABLE LIQUID, (B) COMPRESSING THE RESULTING SLURRY SO AS TO FORM AN INTEGRAL MOLDED COMPOSITION HAVING FROM 0.1 TO 70 WEIGHT PERCENT RESIDUAL VOLATILIZABLE LIQUID THEREIN, (C) HEATING THE RESULTING COMPOSITION AT A FIRST TEMPERATURE IN THE RANGE OF 0*C. TO 230*C. SO AS TO SUBSTANTIALLY VOLATILIZE THE RESIDUAL LIQUID THEREIN, (D) THEREAFTER ADDITIONALLY HEATING THE RESULTING COMPOSITION AT A SECOND TEMPERATURE IN THE RANGE OF 250 TO 500*C., AND (E) THEREAFTER RECOVERING THE RESULTING POROUS, FILLED POLY (ARYLENE SULFIDE) COMPOSITION AS A PRODUCT OF THE PROCESS.
Abstract:
THE PHYSICAL PROPERTIES OF SHAPED BODIES OF ARYLENE SULFIDE POLYMERS ARE IMPROVED BY ANNEALING AT A TEMPERATURE BELOW THE MELTING POINT OF THE POLYMER.