Abstract: Disclosed is a composition comprising an admixture of(A) from 99 to 1 weight percent, based on the weight of the admixture, of a copoly(arylene sulfide) and(B) from 1 to 99 weight percent, based on the weight of the admixture, of a poly(aryl sulfone).

Abstract: Disclosed is composition comprising an admixture of(A) from 99 to 1 weight percent, based on the weight of the admixture, of a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 25, and(B) from 1 to 99 weight percent, based on the weight of the admixture, of an bisphenol-A polycarbonate having an inherent viscosity of at least 0.3.

Abstract: Disclosed is a composition comprising(A) from 99.9 to 60 weight percent, based on the weight of the composition, of a copoly(arylene sulfide) and(B) from 0.1 to 40 weight percent, based on the weight of the composition, of an ethylene-propylene rubber.

Abstract: A composition comprising an admixture of(A) a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.

Abstract: Disclosed is a process for preparing a final copoly(arylene sulfide) by contacting an original copoly(phenylene sulfide) with a poly(phenylene sulfide) in the melt phase. The final copoly(arylene sulfide) exhibits an enhanced rate of crystallization.

Abstract: A process for preparing a polymer having repeating units corresponding to the structure ##STR1## wherein y is in the range of 0.005 to 0.15, x is in the range of 0.02 to 0.25, n is at least 200, and R a divalent aromatic radial. The polymer is prepared by reacting a diiodoaromatic compound and elemental sulfur.

Abstract: A process for preparing a polymer having repeating units corresponding to the structure ##STR1## wherein R is ##STR2## y is in the range of 0.005 to 0.10, x is in the range of 0.01 to 0.50 when R is ##STR3## x is in the range of 0.01 to 0.30 when R is ##STR4## and n is at least 200. The polymer is prepared by reacting a diiodoaromatic compound and elemental sulfur.

Abstract: A process for producing elemental iodine and a copoly(arylene sulfide) corresponding to the structure ##STR1## wherein y is in the range of 0.001 to 0.15, x is in the range of 0.02 to 0.65 and n is at least 100, consisting essentially of (1) reacting at a temperature above about 175.degree. C., a mixture of diiodobenzene and diiodobiphenyl and elemental sulfur to produce the copoly(arylene sulfide), and (2) recovering the elemental iodine.

Abstract: A process for preparation of a copoly(arylene sulfide) corresponding to the structure ##STR1## wherein A is a divalent substituted or unsubstituted aromatic radical, T is a monovalent aromatic radical, x is in the range of 0.5 to 0.001 and n is an integer from 1 to 100.

Abstract: A process for preparation of a copoly(arylene sulfide) which has a decreased amount of disulfide radicals and corresponds to the structure ##STR1## wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.45 to 0 and n is at least 50,comprising contacting a copoly(arylene sulfide) corresponding to the structure ##STR2## wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.50 to 0.001 and n is at least 25,in the melt phase with a diiodoaromatic compound corresponding to the structureI-A-IwhereinA is a divalent substituted or unsubstituted aromatic radical.

Abstract: A copoly(arylene sulfide) corresponding to the structure ##STR1## wherein A is a divalent substituted or unsubstituted aromatic radical, T is a monovalent aromatic radical, x is n the range of 0.5 t 0.001 and n is at least 100.

Abstract: A process comprising heating for a sufficient period of time and at a temperature in the range of the glass transition temperature of the polymer to 5 degrees C below the melting point of the polymer, a solid, comminuted, copoly(arylene sulfide) prepared by reacting at a polymer producing temperature a mixture of a diiodoaromatic compound and elemental sulfur which contains less than 0.05 weight percent carbon, the copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1--x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.2 to 0.005 and n is at least 100.

Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sbsb.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur which contains less than 0.05 weight percent carbon.

Abstract: A composition comprising an admixture of(A) from 99.9 to 90 weight percent, based on the weight of the admixture, of a polymer having repeating units corresponding to the structure ##STR1## wherein y is in the range of 0.001 to 0.15, x is in the range of 0.01 to 0.50 and n is at least 100, and(B) from 0.1 to 10 weight percent, based on the weight of the admixture, of a poly(phenylene sulfide) corresponding to the structure ##STR2## where r is at least 25.

Abstract: A composition comprising an admixture of(A) from 99.9 to 90 weight percent, based on the weight of the admixture, of a copoly(arylene sulfide) corresponding to the structure[(--A--S).sub.1-x (--A--S--S).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 200, and(B) from 0.1 to 10 weight percent, based on the weight of the admixture, of a poly(arylene sulfide) corresponding to the structure(--A--S--).sub.rA is the same as above and where r is at least 25.

Abstract: A solid-state polymerization process for increasing the molecular weight of a polymer such that the n value is at least 200 comprising heating within a heating zone at a temperature of at least 200.degree. C. a crystalline polymer corresponding to the structure:[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 20 wherein the volume of the heating zone not occupied with polymer is either under vacuum or is occupied with an inert gas.

Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of a basic material and in the presence of a catalytic amount of an organic amine-containing compound.

Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of a basic material and in the presence of a catalytic amount of iron.

Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of a basic material.

Abstract: A process for producing a copoly(arylene sulfide) corresponding to the structure[--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 200, comprising reacting within a reaction zone a mixture of a diiodoaromatic compound and elemental sulfur at a polymer producing temperature wherein the reaction zone contains an oxygen-containing gas flowing at a rate in the range of 0.001 to 0.08 ft3/hr/mol of oxygen per mole of sulfur.