Reinforced amorphous polymer composition
View Patent ↗A thermoplastic composition comprises: a high heat thermoplastic resin, glass fiber, and a particulate glass filler. The particulate glass filler, prior to forming the composition, has a coating comprising an aminosilane and a urethane groups.
1. A thermoplastic composition comprising:
high heat thermoplastic resin;
15 to 35 weight percent of a glass fiber; and
15 to 35 weight percent of a particulate glass filler,
wherein all amounts are based on the total weight of the composition,
wherein the glass fiber, prior to forming the composition, has a coating comprising a coupling agent and a binder,
wherein the particulate glass filler, prior to forming the composition, has a coating comprising urethane groups and an aminosilane and
wherein the high heat thermoplastic resin is selected from the group consisting of polyetherimide, polyether sulfone and combinations thereof.
2. The thermoplastic composition of claim 1 , wherein the high heat thermoplastic resin consists of polyetherimide and the composition has a double gated tensile strength greater than or equal to 75 MegaPascals as determined according to ASTM D638.
3. The thermoplastic composition of claim 1 , wherein the high heat thermoplastic resin consists ofpolyetherimide and the thermoplastic composition further comprises a polycarbonate ester and the composition has a double gated tensile strength greater than or equal to 40 MegaPascals as determined according to ASTM D638.
4. The thermoplastic composition of claim 1 , wherein the high heat thermoplastic resin consists of polyethersulfone and the composition has a double gated tensile strength greater than or equal to 50 MegaPascals as determined according to ASTM D638.
5. The composition of claim 1 , wherein the glass fiber is present in an amount of 19 to 31 weight percent, and the particulate glass filler is present in an amount of 19 to 31 weight percent, wherein all amounts are based on the total weight of the composition.
6. The composition of claim 1 , wherein the high heat thermoplastic resin has a glass transition temperature greater than or equal to 180° C.
7. The composition of claim 1 , wherein the glass fiber has an average length of 1 to 20 millimeters.
8. The composition of claim 1 , wherein the particulate glass filler has an average particle size of 20 to 160 micrometers.
9. The composition of claim 1 , wherein the glass fiber, prior to forming the composition, has a coating comprising urethane groups and an aminosilane.
10. The composition of claim 1 , wherein the composition further comprises a second resin wherein the second resin is not a high heat resin.
11. The composition of claim 10 , wherein the second resin is selected from the group consisting of polycarbonate, polycarbonate ester, polyester, polyamide, and combinations of two or more of the foregoing.
12. A thermoplastic composition comprising:
a high heat thermoplastic resin;
15 to 35 weight percent of a glass fiber; and
15 to 35 weight percent of a particulate glass filler,
wherein all amounts are based on the total weight of the composition, wherein the glass fiber, prior to forming the composition, has a coating comprising a coupling agent and a binder,
wherein the particulate glass filler, prior to forming the composition, has a coating comprising urethane groups and an aminosilane, and
wherein the high heat thermoplastic resin, prior to forming the composition, has end groups reactive with or compatible with the urethane groups, aminosilane, or a combination thereof under melt mixing conditions and
wherein the high heat thermoplastic resin is selected from the group consisting of polyetherimide, polyether sulfone and combinations thereof.
13. The thermoplastic composition of claim 12 , wherein the high heat thermoplastic resin consists of polyetherimide and the composition has a double gated tensile strength greater than or equal to 75 MegaPascals as determined according to ASTM D638.
14. The thermoplastic composition of claim 12 , wherein the high heat thermoplastic resin consists of polyetherimide and the composition further comprises a polycarbonate ester and the composition has a double gated tensile strength greater than or equal to 40 MegaPascals as determined according to ASTM D638.
15. The thermoplastic composition of claim 12 , wherein the high heat thermoplastic resin consists of polyethersulfone and the composition has a double gated tensile strength greater than or equal to 50 MegaPascals as determined according to ASTM D638.
16. The composition of claim 12 , wherein the glass fiber is present in an amount of 19 to 31 weight percent, and the particulate glass filler is present in an amount of 19 to 31 weight percent, wherein all amounts are based on the total weight of the composition.
17. The composition of claim 12 , wherein the high heat thermoplastic resin has a glass transition temperature greater than or equal to 180° C.
18. The composition of claim 12 , wherein the glass fiber has an average length of 1 to 20 millimeters.
19. The composition of claim 12 , wherein the particulate glass filler has an average particle size of 20 to 160 micrometers.
20. The composition of claim 12 , wherein the glass fiber, prior to forming the composition, has a coating comprising urethane groups and an aminosilane.
21. The composition of claim 12 , wherein the composition further comprises a second resin wherein the second resin is not a high heat resin.
22. The composition of claim 21 , wherein the second resin is selected from the group consisting of polycarbonate, polycarbonate ester, polyester, polyamide, and combinations of two or more of the foregoing.
23. A thermoplastic composition comprising:
a high heat thermoplastic resin;
15 to 35 weight percent of a glass fiber; and
15 to 35 weight percent of a particulate glass filler,
wherein all amounts are based on the total weight of the composition,
wherein the glass fiber, prior to forming the composition, has a coating comprising a coupling agent and a binder,
wherein the particulate glass filler, prior to forming the composition, has a coating comprising urethane groups and an aminosilane,
wherein the high heat thermoplastic resin, prior to forming the composition, has anhydride end groups, amino end groups, or a combination thereof, and
and wherein the high heat thermoplastic resin is selected from the group consisting of polyetherimide, polyether sulfone and combinations thereof.
24. The thermoplastic composition of claim 23 , wherein the high heat thermoplastic resin consists of polyetherimide and the composition has a double gated tensile strength greater than or equal to 75 MegaPascals as determined according to ASTM D638.
25. The thermoplastic composition of claim 23 , wherein the high heat thermoplastic resin consists of polyetherimide and the composition further comprises a polycarbonate ester and the composition has a double gated tensile strength greater than or equal to 40 MegaPascals as determined according to ASTM D638.
26. The thermoplastic composition of claim 23 , wherein the high heat thermoplastic resin consists of polyethersulfone and the composition has a double gated tensile strength greater than or equal to 50 MegaPascals as determined according to ASTM D638.
27. The composition of claim 23 , wherein the glass fiber is present in an amount of 19 to 31 weight percent, and the particulate glass filler is present in an amount of 19 to 31 weight percent, wherein all amounts are based on the total weight of the composition.
28. The composition of claim 23 , wherein the high heat thermoplastic resin has a glass transition temperature greater than or equal to 180° C.
29. The composition of claim 23 , wherein the glass fiber has an average length of 1 to 20 millimeters.
30. The composition of claim 23 , wherein the particulate glass filler has an average particle size of 20 to 160 micrometers.
31. The composition of claim 23 , wherein the glass fiber, prior to forming the composition, has a coating comprising urethane groups and an aminosilane.
32. The composition of claim 23 , wherein the composition further comprises a second resin wherein the second resin is not a high heat resin.
33. The composition of claim 32 , wherein the second resin is selected from the group consisting of polycarbonate, polycarbonate ester, polyester, polyamide, and combinations of two or more of the foregoing.
34. A method of making a thermoplastic composition comprising:
melt blending a high heat thermoplastic resin and particulate glass filler to form a first mixture;
melt blending the first mixture with a glass fiber,
wherein the glass fiber has a coating comprising a coupling agent and a binder,
wherein the particulate glass filler has a coating comprising urethane groups and an aminosilane and
wherein the high heat thermoplastic resin is selected from the group consisting of polyetherimide, polyether sulfone and combinations thereof.
35. The method of claim 34 , wherein the glass fiber, prior to forming the composition, has a coating comprising urethane groups and an aminosilane.
36. The method of claim 34 , wherein the high heat thermoplastic resin, prior to forming the composition, has end groups capable ofreacting with or compatible with the urethane groups, aminosilane or combination thereof.
37. An article comprising a thermoplastic composition wherein the thermoplastic composition comprises:
high heat thermoplastic resin;
15 to 35 weight percent of a glass fiber; and
15 to 35 weight percent of a particulate glass filler,
wherein all amounts are based on the total weight of the composition,
wherein the glass fiber, prior to forming the composition, has a coating comprising a coupling agent and a binder,
wherein the particulate glass filler, prior to forming the composition, has a coating comprising urethane groups and an aminosilane and
wherein the high heat thermoplastic resin is selected from the group consisting of polyetherimide, polyether sulfone and combinations thereof.
38. A thermoplastic composition comprising:
30 weight percent to 70 weight percent of a polyetherimide having anhydride end groups and a weight average molecular weight of 28,000 to 38,000 as determined by light scattering;
15 weight percent to 40 weight percent of a polycarbonate ester
15 weight percent to 35 weight percent of glass fiber;
15 weight percent to 35 weight percent of a particulate glass filler;
an additive selected from the group consisting of UV absorbers; stabilizers; lubricants; plasticizers; pigments; dyes; colorants; anti-static agents; foaming agents; blowing agents; metal deactivators, and combinations thereof;
wherein the glass fiber, prior to forming the composition, has a coating comprising a couplingagent and a binder,
wherein the particulate glass filler, prior to forming the composition, has a coating comprising urethane groups and an aminosilane, and
wherein the weight percents are based on the total weight of the composition.
39. The composition of claim 38 , wherein the additive is pentaerythritol tetrastearate.
40. The composition of claim 38 , wherein the additive is a phosphite stabilizer.
41. The composition of claim 38 , wherein the additive comprises a mixture of pentaerythritol tetrastearate and a stabilizer selected from the group consisting of phosphite stabilizers, hindered phenol stabilizers, and combinations thereof.
42. The composition of claim 38 , wherein the particulate glass filler is a glass flake and the glass fiber is fiberglass.