1. An antistatic molded article comprising a polyesteramide resin, wherein said molded article is prepared by copolymerizing a cyclic amide (a) and a linear ester (b) selected from the group consisting of polyesterpolyol, polyesteretherpolyol, and polycarbonatepolyol, said molded article having a surface resistivity of less than 1013 .
2. The antistatic molded article according to claim 1, wherein the surface resistivity is in a range of from 109 to 1012 .
3. The antistatic molded article according to claim 1 wherein said molded article is prepared by copolymerizing the cyclic amide (a) and the linear ester (b) in a weight ratio of (a) to (b) of from 100:2 to 100:50.
4. The antistatic molded article according to claim 3, wherein said molded article is prepared by copolymerizing the cyclic amide (a) and the linear ester (b) in a weight ratio of (a) to (b) of from 100:2 to 100: less than 5, wherein an electrically conductive material is further provided.
5. The antistatic molded article according to claim 3, wherein said molded article is prepared by copolymerizing the cyclic amide (a) and the linear ester (b) in a weight ratio of (a) to (b) of from 100:5 to 100:45.
6. The antistatic molded article according to claim 1, having a tensile strength, measured according to ASTM D-638, of at least 40 MPa.
7. The antistatic molded article according to claim 1, wherein the linear ester is polycaprolactonediol
8. The antistatic molded article comprising a polyesteramide resin according to claim 1, wherein the cyclic amide is -caprolactone.
9. A polyesteramide resin prepared by reacting
100 parts by weight of a cyclic amide (a),
5 to 50 parts by weight of a linear ester (b) selected from the group consisting of polyesterpolyol, polyesteretherpolyol and polycarbonatepolyol,
and (c) a chemical compound having a molecular weight of 200 or smaller and having at least 2 hydroxyl groups,
wherein said polyesteramide resin has a number average molecular weight, reduced from polystyrene, of from 4,000 to 100,000.
10. The polyesteramide resin according to claim 9, wherein said polyesteramide resin has a volume resistivity of from 108 to 109 .m.
11. The polyesteramide resin according to claim 9, wherein said polyesteramide resin has a volume resistivity of from 104 to 107 .m.
12. The polyesteramide resin according to claim 9, wherein the chemical compound (c) is used in such an amount that the molar ratio of the hydroxyl groups, defined by the following equation, is in the range of from 0.1 to 1.0, wherein the molar ratio of the hydroxyl groupsmolar amount of the hydroxyl group of the chemical compound (c)molar amount of the hydroxyl group of the linear ester (b).
13. The polyesteramide resin according to claim 12, wherein the molar ratio of the hydroxyl groups is in the range of from 0.2 to 0.5.
14. The polyesteramide resin according to claim 9, wherein the chemical compound (c) has at least 3 hydroxyl groups.
15. The polyesteramide resin according to claim 14, wherein the chemical compound (c) is trimethylolethane, trimethylolpropane or a mixture of trimethylolethane and trimethylolpropane.
16. The polyesteramide resin according to claim 9, wherein the cyclic amide (a) is -caprolactam.
17. The polyesteramide resin according to claim 9, wherein the cyclic ester (b1) is polycaprolactonediol.
18. An antistatic molded article comprising a polyesteramide resin according to claim 10.
19. The antistatic molded article according to claim 1, wherein said molded article is prepared by a monomer casting method.
20. A method for preparing an antistatic polyesteramide resin comprising copolymerizing a cyclic amide (a) and a linear ester (b) selected from the group consisting of polyesterpolyol, polyesteretherpolyol, and polycarbonatepolyol, in a weight ratio of from 100:2 to 100:50.
21. The method according to claim 20, wherein the cyclic amide (a) and the linear ester (b) are copolymerized in a weight ratio of from 100:5 to 100:45.
22. The method according to claim 20, wherein the linear ester (b) is polycaprolactonediol.
23. The method according to claim 2, wherein the cyclic amide (a) is -caprolactone.
24. A method for preparing a polyesteramide resin comprising reacting 100 parts by weight of (a) a cyclic amide, 5 to 50 parts by weight of at least one linear ester (b) selected from the group consisting of polyesterpolyol, pollyesteretherpolyol, and polycabonatepolyol, and a chemical compound (c) having a molecular weight of 200 or smaller and having at least 2 hydroxyl groups.
25. The method according to claim 24, wherein the chemical compound (c) is reacted in such an amount that the molar ratio of the hydroxyl groups, defined by the following equation, is in the range of from 0.1 to 1.0, wherein the molar ratio of the hydroxyl groupsmolar amount of the hydroxyl group of the chemical compound (c)molar amount of the hydroxyl group of the linear ester (b).
26. The method according to claim 25, wherein the molar ratio of the hydroxyl groups is in the range of from 0.2 to 0.5.
27. The method according to claim 24, wherein the chemical compound (c) has at least 3 hydroxyl groups.
28. The method according to claim 27, wherein the chemical compound (c) is trimethylolethane, trimethylolpropane or a mixture of trimethylolethane and trimethylolpropane.
29. The method according to claim 31, wherein the linear ester (b) is polycaprolactonediol.
30. The method according to claim 24, wherein the cyclic amide (a) is -caprolactam.
31. The method according to claim 24, wherein a monomer casting method is used for reacting the cyclic amide (a) and the linear ester (b) and the chemical compound (c).
32. A method for making a polyesteramide resin antistatic, comprising preparing the polyesteramide resin by copolymerizing a cyclic amide (a) and a linear ester (b) selected from the group consisting of polyesterpolyol, polyesteretherpolyol, and polycarbonatepolyol, wherein the weight ratio of the cyclic amide (a) and the linear ester (b) is set in a range of from 10:2 to 100:50.
33. The method according to claim 32, wherein the weight ratio of the cyclic amide (a) to the linear ester (b) is set in a range of from 100:5 to 100:45.
34. A method for making a polyesteramide resin antistatic, comprising preparing the polyesteramide resin by copolymerizing a cyclic amide (a) and a linear ester (b) selected from the group consisting of polyesterpolyol, polyesteretherpolyol and polycarbonatepolyol wherein the weight ratio of the cyclic amide (a) to the linear ester (b) is set in a range of from 100:5 to 100:50, and chemical compound (c) having a molecular weight of 200 or smaller and having at least 2 hydroxyl groups.
35. The method according to claim 34, wherein the chemical compound (c) is added in such an amount that the molar ratio of the hydroxyl groups, defined by the following equation, is in the range of from 0.1 to 1.0, wherein the molar ratio of the hydroxyl groupsmolar amount of the hydroxyl group of the chemical compound (c)molar amount of the hydroxyl group of the linear ester (b).
36. The method according to claim 35, wherein the molar ratio of the hydroxyl groups is in the range of from 0.2 to 0.5.
37. The method according to claim 34, wherein the chemical compound (c) has at least 3 hydroxyl groups.
38. The method according to claim 37, wherein the chemical compound (c) is trimethylolethane, trimethylolpropane or a mixture of trimethylolethane and trimethylolpropane.
39. The method according to claim 32, wherein the linear ester (b) is polycaprolactonediol.
40. The method according to claim 32, wherein the cyclic ester (b) is -caprolactone.
41. The method according to claim 32, wherein the polyesteramide resin is prepared by a monomer casting method.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An X-ray detector, comprising:
a detector housing, the detector housing being designed to feed a coolant into an interior space of the housing;
a plurality of detector modules extending into the interior space of the detector housing; and
a plurality of hollow module carriers arranged within the detector housing, each of the hollow module carriers including a cooling channel configured to flow a coolant through the hollow module carrier, the detector modules being arranged on a respective hollow module carrier.
2. The X-ray detector as claimed in claim 1, wherein each of the cooling channels is provided on the inside with cooling ribs.
3. A detector module for an X-ray detector as claimed in claim 2, wherein each of the detector modules includes at least one detector element, the at least one detector element being fastened on the respective hollow module carrier.
4. The X-ray detector as claimed in claim 1, wherein each of the hollow module carriers is constructed from a metal.
5. The X-ray detector as claimed in claim 4, wherein the metal is aluminum.
6. A detector module for an X-ray detector as claimed in claim 4, wherein each of the detector modules includes at least one detector element, the at least one detector element being fastened on the respective hollow module carrier.
7. A detector module for an X-ray detector as claimed in claim 4, wherein each of the detector modules includes at least one detector element with a printed circuit board, the at least one detector element with the printed circuit board being fastened on the respective hollow module carrier.
8. A detector module for an X-ray detector as claimed in claim 4, wherein each of the detector modules includes at least one detector element with a printed circuit board, the at least one detector element with the printed circuit board being fastened on the respective hollow module carrier and wherein the printed circuit board is L-shaped and rests on two adjoining sides of the respective hollow module carrier.
9. The X-ray detector as claimed in claim 1, wherein each of the detector modules includes at least one detector element with a printed circuit board fastened on a respective hollow module carrier.
10. The X-ray detector as claimed in claim 9, wherein the printed circuit board is L-shaped and rests on two adjoining sides of the respective hollow module carrier.
11. The X-ray detector as claimed in claim 1, wherein the detector modules are arranged in a row, and the respective module carrier extends transverse to the row.
12. The X-ray detector as claimed in claim 1, wherein the detector housing includes openings for the coolant along the detector modules.
13. The X-ray detector as claimed in claim 12, wherein the openings are positioned in such a way that a closed cooling system is formed in the cooling channels.
14. The X-ray detector as claimed in claim 1, wherein at least one fan is provided on the detector housing.
15. A detector module for an X-ray detector as claimed in claim 1, wherein each of the detector modules includes at least one detector element, the at least one detector element being fastened on the respective hollow module carrier.