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Organic-material refining device

A technology of organic materials and cylinders, which is applied in the field of purification devices for organic materials, can solve the problems of reduced purification efficiency and time-consuming, and achieve the effects of easy recovery, accurate measurement and control, and improved purification efficiency

Inactive Publication Date: 2015-02-11
IDEMITSU KOSAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the purification device described in Patent Document 2, it is necessary to install a plurality of rectifying plates for the purpose of preventing the reverse flow of impurities on the downstream side. As a result, the organic material circulates to the downstream side while meandering, and purification takes time. , the purification efficiency decreases

Method used

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Experimental program
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no. 1 approach

[0067] (1) The structure of the purification device

[0068] exist figure 1 A schematic cross-sectional view taken along the longitudinal direction of the organic material purification device 1 according to the first embodiment is shown in .

[0069] The purification apparatus 1 includes an apparatus main body 2 for purifying an organic material, a vacuum pump 3 as an exhaust device for depressurizing the inside of the apparatus main body 2 , and a temperature controller 4 for controlling the temperature of the apparatus main body 2 . Hereinafter, the case of purifying the material for an organic EL element will be described as an example.

[0070] (1-1) Device main body

[0071] The device main body 2 adopts a double tube structure, and is provided with a cylindrical inner cylinder 21 and a cylindrical outer cylinder 22. The outer cylinder 22 is disposed outside the inner cylinder 21 and accommodates the inner cylinder 21 in Inside, both ends of the outer cylindrical body ...

no. 2 approach

[0132] Next, an apparatus for purifying an organic EL element material according to a second embodiment of the present invention will be described.

[0133] It should be noted that, in the following description, the same reference numerals are assigned to the same parts as those already described, and the description thereof will be omitted or simplified.

[0134] exist Figure 8 A perspective view of the second inner cylinder 67 included in the organic material purification device of the second embodiment is shown in FIG. Figure 9 A perspective view of the third cylindrical body 72 arranged inside the second inner cylindrical body 67 is shown in .

[0135] The shape of the second inner cylinder 67 is almost the same as that of the second inner cylinder 61 of the first embodiment, except that the second inner cylinder 67 can be divided into two.

[0136] The shape of the third cylinder 72 as the collection area expanding member is almost the same as that of the third cylind...

no. 3 approach

[0145] Next, 1A of purifying apparatuses for organic EL element materials according to a third embodiment of the present invention will be described. It should be noted that in the following description, the same reference numerals will be assigned to the same parts as those already described, and the description thereof will be omitted or simplified.

[0146] exist Figure 10 A schematic cross-sectional view of an organic material purification device according to a third embodiment is shown in . The purification apparatus 1A of an organic EL element material according to the third embodiment is different from the above-mentioned embodiment in the shape of the collection area expanding member arranged inside the second inner cylindrical body 61 . Since the other points are almost the same, descriptions are omitted or simplified.

[0147] The collection area expanding member used in the purification device 1A is a lattice member 80 formed by combining a plurality of plate-sha...

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Abstract

An organic-material refining device is characterized by being provided with: a vaporizer (5) equipped with a first inside-tube body (51), the interior of which is supplied with an organic material, and a heating heater (53) for vaporizing the supplied organic material, and positioned on the outside of the first inside-tube body (51); a collector (6) for collecting the gaseous organic material, vaporized by the vaporizer (5), on an inner surface of a second inside-tube body (61), and equipped with the second inside-tube body (61), which is connected to the first inside-tube body (51) of the vaporizer (5), and a temperature-adjustment heater (63) for adjusting the temperature of the second inside-tube body (61), and positioned on the outside of the second inside-tube body (61); a third tube body (70) which increases the contact surface area with the gaseous organic material, is positioned in the interior of the second inside-tube body (61), and has a face extending along the axial direction of the second inside-tube body (61); and a vacuum pump (3) connected to the downstream-side end section of the collector (6).

Description

technical field [0001] The invention relates to a purification device for organic materials. Background technique [0002] Conventionally, column chromatography, recrystallization, distillation, sublimation, and the like are known as methods for purifying organic materials. Organic materials used as electronic materials and optical materials are purified to high purity because their purity may greatly affect their performance. [0003] Examples of electronic materials include materials used in organic electroluminescence elements (hereinafter sometimes referred to as organic EL elements) whose research and development have been intensively conducted in recent years. If impurities are mixed in the material used for the organic EL element (hereinafter sometimes referred to as the material for the organic EL element.), the impurity becomes a carrier (electron, hole) trap and becomes a cause of extinction. The organic EL The luminous intensity, luminous efficiency, and aging r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D7/00
CPCC23C14/12C23C14/564H01L51/0025H10K71/311
Inventor 伊藤雅温门井泰宪芳贺亮
Owner IDEMITSU KOSAN CO LTD
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