PAEK/PAES compositions

1. A composition (C) comprising:

from 1 to 90% by weight (wt. %) of at least one poly(aryl ether ketone), (PAEK) polymer, wherein more than 50% by moles of recurring units of the (PAEK) polymer are recurring units (R PAEK ) comprising a Ar—C(O)—Ar′ group, with Ar and Ar′, equal to or different from each other, being aromatic groups;

from 1 to 25 wt. % of at least one polyphenylsulfone polymer, (PPSU) polymer, wherein more than 50% by moles of recurring units of the (PPSU) polymer are recurring units (R ppsu ) of formula (A):

and from 30 to 85 wt. % of at least one poly(aryl ether sulfone) polymer, (P1) polymer, selected from

at least one high temperature poly(aryl ether sulfone) polymer, (PAES HT ) polymer, wherein more than 50% by moles of recurring units of the (PAES HT ) polymer are recurring units (R PAES ), the recurring units (R PAES ), equal to or different from each other at each occurrence, are complying with formula (G):

wherein:

each of R′, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium;

each of j′, equal to or different from each other and at each occurrence, is independently an integer from 0 to 4;

Ar 1 and Ar 2 are equal or different from each other and at each occurrence, are independently aromatic moieties selected from the group consisting of those complying with following formulae:

wherein each of R is selected from the group consisting of:hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; and j, k and I, equal or different from each other, are independently 0, 1, 2, 3 or 4;

each of T, equal to or different from each other, is selected from the group consisting of a bond, —CH 2 —; —O—; —SO 2 —; —S—;—C(O)—; —C(CH 3 ) 2 —;

—C(CF 3 ) 2 —; —C(═CCI 2 )—; —C(CH 3 )(CH 2 CH 2 COOH)—;—N═N—; —R a C═CR b —; where each R a and R b ; independently of one another, is a hydrogen or a C 1 -C 12 -alkyl, C 1 -C 12 -alkoxy, or C 6 -C 18 -aryl group ; —(CH 2 ) q - and -(CF 2 ) q — with q =integer from 1 to 6, or an aliphatic divalent group, linear or branched, of up to 6 carbon atoms ;

and mixtures thereof ; and

n is 0, 1, 2, 3 or 4; and

from 0 to 50 wt. % of at least one reinforcing filler, and wherein all % are based on a total weight of the composition (C).

2. The composition (C) according to claim 1 , wherein the recurring units (R PAEK ) are selected from the group consisting of formulae (J-A) to (J-O):

wherein:

each of R′, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; and

j is an integer from 0 to 4.

3. The composition (C) according to claim 1 , wherein more than 50% moles of recurring units of the (PAEK) polymer are recurring units (R PAEK ) selected from the group consisting of formulae (J′-A) to (J′-O):

4. The composition (C) according to claim 1 , comprising 35-75 wt. % of the (PAEK) polymer, based on the total weight of the composition (C), with the proviso that the reinforcing filler is absent.

5. The composition (C) according to claim 1 , comprising 5-30 wt. % of the (PAEK) polymer, based on the total weight of the composition (C), with the proviso that the reinforcing filler is present.

6. The composition (C) according to claim 1 , comprising from 4 to 10 wt. % of the (PPSU) polymer, based on the total weight of the polymer composition (C).

7. The composition (C) according to claim 1 , wherein the recurring units (R PAES ) are those selected from the group consisting of formulae (H) to (K), as shown below, and mixtures thereof:

8. The composition (C) according to claim 1 , wherein more than 75% by moles of the recurring units of the (PAES HT ) polymer are a mix of recurring units (R PAES -1) and (R PAES -2) wherein the recurring units (R PAES -1) comply with formula (O):

and the recurring units (R PAES -2) comply with formula (P):

and the mole amount of the recurring units (R PAES-1 ) in the (PAES HT ) polymer is from 50-98%, based on the total amount of recurring units (R PAES-1 ) and (R PAES-2 ) comprised in the (PAES HT ) polymer.

9. The composition (C) according to claim 1 , comprising 30-70 wt. % of the (P1) polymer, based on the total weight of the composition (C), with the proviso that the reinforcing filler is absent.

10. The composition (C) according to claim 1 , comprising 30-65 wt. % of the (P1) polymer, based on the total weight of the composition (C), with the proviso that the reinforcing filler is present.

11. The composition (C) according to claim 1 , wherein the reinforcing filler is a glass fiber present in an amount equal to or at most 40 wt. %, based on the total weight of the polymer composition (C).

12. A process for manufacturing the polymer composition (C) according to claim 1 , which comprises mixing:

a. the at least one (PAEK) polymer;

b. the at least one (PPSU) polymer;

c. the at least one (P1) polymer; and

d. optionally, the at least one the reinforcing filler, and optionally, other ingredients (I).

13. An article comprising the polymer composition (C) according to claim 1 .

14. The composition (C) according to claim 1 comprising 5 to 45 wt. % of the at least one reinforcing filler.