Thermoplastic polymer mixtures, and applications thereof

A thermoplastic polymer mixture (M), comprising

• at least one poly(aryl ether ketone) (P1);
• at least one poly(arylene sulfide) (P2);
• and
• 3-25 wt. % of the total weight of the thermoplastic mixture (M), of a thermoplastic polymer material (P3),
• wherein:
• the thermoplastic polymer material (P3) is selected from the group consisting of
• (i) a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a),
• (ii) a thermoplastic polymer material consisting of at least one poly(ether imide) (P3b),
• (iii) a thermoplastic polymer material consisting of at least one poly(ether imide sulfone) (P3c),
• (iv) a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a) and at least one poly(ether imide) (P3b),
• (v) a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a) and at least one poly(ether imide sulfone) (P3c),
• (vi) a thermoplastic polymer material consisting of at least one poly(ether imide) (P3b) and at least one poly(ether imide sulfone) (P3c), and
• (vii) a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a), at least one poly(ether imide) (P3b) and at least one poly(ether imide sulfone) (P3c);
• the combined weight amount of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), based on the total weight of the polymer mixture (M), is of at least 30%;
• the weight amount of the poly(aryl ether ketone) (P1), based on the combined weight of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), is of at most 90%;
• and
• the poly(aryl ether ketone) (P1) is a polymer of which more than 50 wt. % of the recurring units are ketone-containing recurring units (R1) selected from the group consisting of

A method for increasing a property of a thermoplastic polymer mixture in the need thereof,

• said property being selected from the group consisting of the notched Izod, the tensile yield elongation, the tensile elongation at break, and the heat deflection temperature,
• said thermoplastic polymer mixture comprising at least one poly(aryl ether ketone) (P1) and at least one poly(arylene sulfide) (P2),
• said method comprising melt compounding the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2) with a thermoplastic polymer material (P3) selected from the group consisting of:
• a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a),
• a thermoplastic polymer material consisting of at least one poly(ether imide) (P3b),
• a thermoplastic polymer material consisting of at least one poly(ether imide sulfone) (P3c),
• a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a) and at least one poly(ether imide) (P3b),
• a thermoplastic polymer material consisting of at least one polyphenylsulfone (P3a) and at least one poly(ether imide sulfone) (P3c),
• a thermoplastic polymer material consisting of at least one poly(ether imide) (P3b) and at least one poly(ether imide sulfone) (P3c), and
• a thermoplastic polymer material consisting of at least one poly(biphenyl ether sulfone) (P3a), at least one poly(ether imide) (P3b) and at least one poly(ether imide sulfone) (P3c);
• wherein the poly(aryl ether ketone) (P1) is a polymer of which more than 50 wt. % of the recurring units are ketone-containing recurring units (R1) selected from the group consisting of