KR950006453A - Apparatus and method for analyzing porous materials - Google Patents

Abstract

The present invention relates to a device for determining the internal state of a porous material, in particular a textile material web, and a method of moving the device. The apparatus has a pressure element and an extraction and collection element sandwiching the material between the elements, the embedded sample being well extracted for hot extraction fluid. The extract is then analyzed to show an indication of the internal state of the material and the material present in or on the porous material.

Description

Apparatus and method for analyzing porous materials

Since this is an open matter, no full text was included.

1 is a schematic side view of a device of the invention,

2 is a partial side cross-sectional view of a pressure element of the apparatus of the present invention,

3 is a cross-sectional view taken along the III-III plane of FIG.

4 is a central vertical cross-sectional view of the collecting element of the device of the present invention,

5 is a top view of the collecting element of FIG.

Claims (21)

An apparatus for analyzing porous materials containing extractable materials to determine the internal state of a material having a material present on a material that is present in the material by pressurized decomposition and extraction, the apparatus having contact surfaces facing each other, A pressure element and a collecting element fixed coaxially and fixed to a support bar system consisting of two parallel support bars having faces, means for pressing the two elements against each other, and passing through one of the elements Means for introducing an extraction fluid into the embedded porous material, and means for removing the extract formed from the material and the extraction fluid from the material and collecting the extract, wherein the porous material is sandwiched between the contact surfaces of the elements. Porous material analysis apparatus, characterized in that the loss. 2. The device of claim 1, wherein the two elements are circular disk shaped, each element having a circular pressure plate installed in the heating device, each pressure plate being firmly fixed to a circular mounting plate of metal dimensionally stable at an axial distance. And all the plates have substantially the same diameter. The porous material analysis apparatus of claim 1, further comprising suction means for removing the formed extract from the embedded porous material. 3. The porous material analysis apparatus of claim 2, wherein the pressure element is fixed to a lower surface of the first upper support bar and the collection element is fixed to an upper surface of the second lower support bar. The apparatus of claim 2, wherein the heating device of the two input plates includes a flat sheet-shaped circular heating element fixed to an inner surface of the pressure plate. 6. The porous material analysis device of claim 5, wherein the pressure plate further comprises means for measuring and controlling the temperature of the plate. 5. A porous material analysis device according to claim 4, wherein the collecting element is rigidly fixed to the lower support bar and the pressure element is axially displaceably fixed to the upper support bar to be pressed against the collecting element. . 8. The upper support bar of claim 7, wherein the upper support bar comprises a drive motor connected to a reduction gearbox having an output drive shaft, and a pin mounted on the drive shaft and connected to the pressure element for reciprocating the pressure element from the collecting element to the element. A porous material analysis device comprising an eccentric disk operating on a bed. The outer surface of the pressure plate of the collecting element is a central bore for supplying fresh extraction fluid, a first circular collection groove near the outer edge of the pressure plate for deflecting the extract, and a first of the pressure plate. And a second circular barrier groove disposed between the groove and the outer edge, the two grooves having bores crossing the pressure plate. 10. The apparatus of claim 9, wherein the means for introducing an extraction fluid comprises an extraction fluid storage container, a first metering device for supplying a metered volume of extraction fluid to a central bore of the collection element, and a metered volume of extraction fluid. The metering device having a second metering device for supplying water to the barrier groove of the pressure plate, a heatable spiral tube for heating the extraction fluid supplied by the first metering device, and the storage container having the spiral tube and a pressure plate. And a conduit for connection to the porous material analysis device. 10. The apparatus of claim 9, wherein the means for removing the extract comprises a plurality of collection conduits connected to the collection groove and incorporated into a main collection conduit leading to the sample tube, and a suction device connected to the sample tubes by suction conduits. Porous material analysis apparatus comprising a. 11. The apparatus of claim 10, wherein the means for removing the extract comprises a plurality of collection conduits connected to the collection groove and incorporated into a main collection conduit leading to the sample tubes, and a suction device connected to the sample tubes by suction conduits. And wherein each conduit connected to the second metering device for supplying extraction fluid to the barrier groove is a thermally conductive contact in a closed position with a collection conduit connected to the collection groove. A method for analyzing a porous material containing extractable material to determine the internal state of a material having a material present in or on the material by pressurized decomposition and extraction by using the apparatus of claim 1 Inserting material between the pressure element and the extraction and collection element, sandwiching the porous material between the two elements, and measuring a first metered amount of extraction fluid heated in flow toward the extraction and collection element. Feeding into and extracting from and into said porous material; and collecting an extract from said porous material in a collecting groove near the outer periphery of said extracting and collecting element; receptacle); and a porous material analysis room comprising the step of directing . The method of claim 13, further comprising supplying a second metered amount of extraction fluid, such as a barrier fluid, into the barrier groove near the outer periphery of the extraction and collection element simultaneously with the supply of the first metered amount in the supply step. Porous material analysis method comprising the. 15. The method of claim 14, wherein heat is exchanged between the barrier fluid and the external flow extract. The method of claim 13, further comprising applying suction to the sample socket to assist the extract upon collection. The method of claim 13, wherein an aqueous extraction fluid is used. The method of claim 13, wherein the extracting fluid comprises at least partially an organic solvent. 14. A method according to claim 13, wherein the extraction fluid contains at least one substance that can react with the substance to be extracted to improve their extraction potential. 14. The extraction fluid of claim 13 wherein the extraction fluid is a liquid and the extraction fluid and the porous material are at or below the boiling point of the extraction fluid, i. Porous material analysis method, characterized in that heated to about ℃. 14. The method of claim 13, wherein the porous material comprises a two-dimensional fabric material or an intimately parallel, nearly parallel fabric fiber. ※ Note: The disclosure is based on the initial application.