Abstract: A method of increasing the resistance of delicate, elongated objects made of polymeric compositions, to fracturing, shattering, and splintering during application of stress forces during cutting, shearing or grinding, thereby permitting the formation of shorter finished objects with appropriately and smoothly contured ends from a long stock object. Differently stated, the present invention relates to a method of preparing an elongated, rod-like object composed of several plastic, polymeric compositions, having channels formed therein and extending longitudinally thereof, for subsequent cutting of such long object into short lengths with desirably shaped end surfaces.

Abstract: The discoloration of molded articles made from poly(arylene sulfide) resins is minimized or prevented by treating the molded article with water at an elevated temperature.

Abstract: A method for improving the adhering ability of a vulcanized rubber surface by treating said surface with a solution of iodine isocyanate or a mixed solution of iodine isocyanate and iodine to provide a high adhering ability to said surface.The thus treated vulcanized rubber surface can be adhered strongly to other vulcanized rubber or the other various materials by contacting these materials tightly using an adhesive or without using an adhesive.

Abstract: A system for rehydration of green ceramic structures, particularly thin-walled extrusions, comprising immersing the structure into a fluid bath maintained at a temperature of 50.degree.-100.degree.C. The green ceramic structure is rehydrated using the moisture in the green ceramic structure. The liquid acts as a support, a temperature control, and a means for preventing moisture escape and premature drying of the ceramic during rehydration.