High temperature poly(aryl ether)s containing a phthalazinone moiety

Abstract

A poly(phthalazinone sulfone) composition for articles of manufacture having such characteristics as high temperature resistance, good electrical properties, good chemical and solvent resistance and toughness consists essentially of a polymer of formula (I): wherein Z is a bisphenyl sulfone moiety of formula: (II): A is a phthalazinone moiety of formula (III): Cp is A, as defined above, or a biphenol moiety of formula (IV): x is an integer of at least 1; y is an integer of at least 1; and x+y=n, where n is an integer such that the polymer has a weight average molecular weight of about 20,000 to about 170,000, the composition comprising less than 5%, by weight, of low molecular weight oligomers; and having a glass transition temperature (Tg) from 225 to 305° C.

1 - 23 . (canceled) 
     
     
         24 . An article formed from a copoly(phthalazinone ether sulfone) composition of formula I, 
       
         
           
           
               
               
           
         
         wherein a, b, c, and d represent mole fractions of the monomers present in the copolymer, wherein each are independently from 0.1 to 1, wherein a=b, c=d, a+c is 0.5, b is at least 0.1, d is at least 0.2, and a+b+c+d=1.0, 
         wherein the copoly(phthalazinone ether sulfone) composition has a weight average molecular weight of about 20,000 to about 170,000, a polydispersivity less than 6, and a glass transition temperature (Tg) less than or equal to 292° C., and 
         wherein the composition is melt processable. 
       
     
     
         25 . The article of  claim 24 , wherein the article is selected from the group consisting of molded articles, films, sheets, and fibers. 
     
     
         26 . The article of  claim 24 , wherein b is between about 0.2 and about 0.3, and d is between about 0.2 to about 0.3. 
     
     
         27 . The article of  claim 24 , wherein b=0.1 and d=0.4. 
     
     
         28 . The article of  claim 24 , wherein b=0.15 and d=0.35. 
     
     
         29 . The article of  claim 24 , wherein b=0.2 and d=0.3. 
     
     
         30 . The article of  claim 24 , wherein a melt flow rate at 385° C./5.0 Kg is about 12(+/−)0.24 g/10 minutes. 
     
     
         31 . The article of  claim 24 , wherein b=0.25 and d=0.25. 
     
     
         32 . The article of  claim 24 , wherein b=0.3 and d=0.2. 
     
     
         33 . The article of  claim 24 , wherein the composition has less than 5%, by weight, of low molecular weight oligomers. 
     
     
         34 . The article of  claim 24 , wherein the weight average molecular weight is between about 30,000 and 90,000. 
     
     
         35 . A process for forming the article of any preceding claim, wherein the process is selected from the group consisting of extrusion, injection molding, and blow molding.