Poly(arylene ether) compositions and methods of making the same
View Patent ↗A method of making a resin composition comprises melt mixing a first polymer comprising a polyamide powder or a polyester powder with a fluoropolymer at a temperature below a softening temperature of the fluoropolymer to form a first melt blend; fibrillating the fluoropolymer in the first melt blend to form a fibrillar network in the first melt blend; and melt mixing the first melt blend having the fibrillar network with i) a poly(arylene ether) and a compatibilizing agent or ii) a poly(arylene ether) and a reaction product of the poly(arylene) and a compatibilizing agent.
1. A method of making a resin composition, comprising:
melt mixing a fluoropolymer having a softening temperature with a first polymer comprising a polyamide powder or a polyester powder at a temperature below the softening temperature of the fluoropolymer to form a first melt blend;
fibrillating the fluoropolymer in the first melt blend to form a fibrillar network in the first melt blend; and
melt mixing the first melt blend having the fibrillar network with i) a poly(arylene ether) and a compatibilizing agent or ii) a poly(arylene ether) and a reaction product of a poly(arylene ether) and a compatibilizing agent.
2. The method of claim 1 , further comprising melt mixing a filler with the first melt blend.
3. The method of claim 2 , wherein the filler is selected from the group consisting of calcium carbonate, talc, glass fibers, carbon fibers, magnesium carbonate, mica, silicon carbide, kaolin, wollastonite, calcium sulfate, barium sulfate, titanium, silica, carbon black, ammonium hydroxide, magnesium hydroxide, aluminum hydroxide, and combinations comprising at least one of the foregoing.
4. The method of claim 1 , wherein the polyamide comprises nylon 6.
5. The method of claim 1 , wherein the fluoropolymer comprises polytetrafluoroethylene.
6. The method of claim 1 , wherein the fibrillated fluoropolymer forms a continuous network in the composition.
7. A composition made according to a method comprising:
melt mixing a fluoropolymer having a softening temperature with a first polymer comprising a polyamide powder or a polyester powder at a temperature below the softening temperature of the fluoropolymer to form a first melt blend;
fibrillating the fluoropolymer in the first melt blend to form a fibrillar network in the first melt blend; and
melt mixing the first melt blend having the fibrillar network with i) a poly(arylene ether) and a compatibilizing agent or ii) a poly(arylene ether) and a reaction product of a poly(arylene ether) and a compatibilizing agent.
8. The composition of claim 7 wherein the composition has a node to fibril ratio less than or equal to 5.
9. An article comprising the composition of claim 7 .
10. A method of preparing a resin composition:
melt mixing a first polymer comprising a polyamide powder with a polytetrafluoroethylene at a temperature less than a softening temperature of the polytetrafluoroethylene to form a first melt blend;
fibrillating the polytetrafluoroethylene in the first blend to form a fibrillar network in the first melt blend; and
melt mixing the first melt blend having the fibrillar network with i) a poly(arylene ether) and a compatibilizing agent or ii) a poly(arylene ether) and a reaction product of the poly(arylene ether) and a compatibilizing agent.
11. The method of claim 10 , further comprising forming pellets from the first melt blend prior to melt mixing the first blend with the poly(arylene ether) and the compatibilizing agent or the poly(arylene ether) and the reaction product of the poly(arylene ether) and the compatibilizing agent.
12. The method of claim 10 , wherein the fibrillated polytetrafluoroethylene forms a continuous network in the composition.
13. The method of claim 10 , further comprising melt mixing a filler with the first melt blend, wherein the filler is selected from the group consisting of calcium carbonate, talc, glass fibers, carbon fibers, magnesium carbonate, mica, silicon carbide, kaolin, wollastonite, calcium sulfate, barium sulfate, titanium, silica, carbon black, ammonium hydroxide, magnesium hydroxide, aluminum hydroxide, and combinations comprising at least one of the foregoing.
14. A composition made according to the method of claim 10 .
15. A method of preparing a resin composition:
melt mixing a first polymer comprising a polyester powder with a polytetrafluoroethylene at a temperature less than a softening temperature of the polytetrafluoroethylene to form a first melt blend;
fibrillating the polytetrafluoroethylene in the first blend to form a fibrillar network in the first melt blend; and
melt mixing the first melt blend having the fibrillar network with a poly(arylene ether) and a compatibilizing agent or the poly(arylene ether) and a reaction product of the poly(arylene ether) and the compatibilizing agent.
16. The method of claim 15 , further comprising forming pellets from the first melt blend prior to melt mixing the first blend with the poly(arylene ether) and the compatibilizing agent or the poly(arylene ether) and the reaction product of the poly(arylene ether) and the compatibilizing agent.
17. The method of claim 15 , wherein the fibrillated polytetrafluoroethylene forms a continuous network in the composition.
18. The method of claim 15 , further comprising melt mixing a filler with the first melt blend, wherein the filler is selected from the group consisting of calcium carbonate, talc, glass fibers, carbon fibers, magnesium carbonate, mica, silicon carbide, kaolin, wollastonite, calcium sulfate, barium sulfate, titanium, silica, carbon black, ammonium hydroxide, magnesium hydroxide, aluminum hydroxide, and combinations comprising at least one of the foregoing.
19. The method of claim 15 , wherein the polyester comprises poly(butylene terephthalate).
20. A composition made according to the method of claim 15 .
21. An article comprising the composition of claim 20 .