CN107966347B - Extract liquid for soluble matters of waterproof coiled material and application thereof - Google Patents
Extract liquid for soluble matters of waterproof coiled material and application thereof Download PDFInfo
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- CN107966347B CN107966347B CN201610916494.7A CN201610916494A CN107966347B CN 107966347 B CN107966347 B CN 107966347B CN 201610916494 A CN201610916494 A CN 201610916494A CN 107966347 B CN107966347 B CN 107966347B
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Abstract
The invention belongs to the field of waterproof materials, and particularly provides an extraction liquid for a soluble substance of a waterproof roll and application thereof, wherein the extraction liquid contains a good solvent for the soluble substance of the waterproof roll for a building, and the good solvent contains saturated naphthenic hydrocarbon and saturated chlorohydrocarbon; the saturated cycloalkane has the general formula CnH2nThe saturated chlorohydrocarbon has a general formula of CHmCl4‑mWherein n is an integer of 5 to 7, and m is an integer of 0 to 2; and the total content of the saturated naphthenic hydrocarbon and the saturated chlorohydrocarbon is more than 98 weight percent based on the weight of the extract, and the mass ratio of the saturated naphthenic hydrocarbon to the saturated chlorohydrocarbon is 3: 1-1: 2. Compared with trichloroethylene as the extraction liquid, the extraction liquid of the invention adopts various components with lower toxicity and better recovery treatment, and the extraction efficiency of the extraction liquid on the dip-coating material in the asphalt waterproof coiled material is higher.
Description
Technical Field
The invention belongs to the field of waterproof materials, and particularly relates to an extract liquid for soluble matters of a waterproof coiled material and application thereof.
Background
The waterproof roll is mainly used in the fields of building walls, roofs, tunnels, highways, refuse landfills and the like, and is a flexible building material product which can be curled into a roll shape and can resist external rainwater and underground water leakage. As no leakage connection between an engineering foundation and a building, the waterproof coiled material is a first barrier for engineering waterproofing and plays a vital role in the whole engineering. The coiled waterproof asphalt material is prepared through dipping asphalt in base material, spreading powdered or sheet isolating material on the surface, and has high flexibility, high wear resistance, high corrosion resistance, low water absorption, etc. it is used in building and pipeline to prevent water.
The waterproof coiled material is generally positioned in the inner layer of a building, belongs to concealed engineering, and is difficult to find if quality problems exist; once the secondary engineering transformation is needed due to the waterproof quality problem, a large amount of building materials can be wasted, the structure of the original building engineering can be damaged, the occurrence rate of the water leakage problem is increased, and potential safety hazards are buried in the building engineering, so that the quality index control of the waterproof coiled material is a major problem in the industry all the time.
The content of soluble substances of the waterproof coiled material is a key index for judging and distinguishing the quality of the asphalt waterproof coiled material, and is also an essential project index in the performance detection of the asphalt waterproof coiled material. In recent years, China modifies and establishes a standard GB/T328.26-2007 part 26 of an experimental method for building waterproof coiled materials: soluble content (dip-coating material content) of the asphalt waterproof coiled material specifies the use principle and standard of the dip-coating material in the asphalt waterproof coiled material to a certain extent.
The extraction of the dip-coating material in the asphalt waterproof coiled material is mainly Soxhlet extraction, and the selection of the extraction liquid directly influences the extraction efficiency and effect. At present, the extraction liquid of the dip-coating material in the asphalt waterproof coiled material is mainly selected from a single formula of trichloroethylene, the solvent consumption is large, the extraction time is too long, and the environment is not friendly.
Therefore, it is necessary to invent an extract liquid specially for dip-coating materials in waterproof coiled materials to realize simple and rapid qualitative and quantitative detection.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an extraction liquid for soluble matters of a waterproof roll and application thereof.
The invention provides an extract liquid aiming at the soluble matters of a waterproof coiled material, which contains the soluble matters of the waterproof coiled materialA good solvent containing saturated cycloalkane and saturated chlorohydrocarbon; the saturated cycloalkane has the general formula CnH2nThe saturated chlorohydrocarbon has a general formula of CHmCl4-mWherein n is an integer of 5 to 7, and m is an integer of 0 to 2; and taking the weight of the extraction liquid as a reference, wherein the total content of the saturated naphthenic hydrocarbon and the saturated chlorohydrocarbon is more than 98 weight percent, and the mass ratio of the saturated naphthenic hydrocarbon to the saturated chlorohydrocarbon is 3: 1-1: 2.
The invention also provides application of the extract liquid in testing the content of soluble matters of the asphalt waterproof coiled material.
Compared with trichloroethylene extract, the extract of the invention adopts a plurality of components with lower toxicity and better recovery treatment, the extract has stronger pertinence, and especially has higher extraction efficiency on dip-coating materials in asphalt waterproof coiled materials, which is very beneficial to quickly and accurately distinguishing the quality of the waterproof coiled materials.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides an extraction liquid aiming at the soluble matters of a waterproof roll, which contains a good solvent of the soluble matters of the waterproof roll, wherein the good solvent contains saturated naphthenic hydrocarbon and saturated chlorohydrocarbon; the saturated cycloalkane has the general formula CnH2nThe saturated chlorohydrocarbon has a general formula of CHmCl4-mWherein n is an integer of 5 to 7, and m is an integer of 0 to 2; and taking the weight of the extraction liquid as a reference, wherein the total content of the saturated naphthenic hydrocarbon and the saturated chlorohydrocarbon is more than 98 weight percent, and the mass ratio of the saturated naphthenic hydrocarbon to the saturated chlorohydrocarbon is 3: 1-1: 2.
Preferably, the mass ratio of the saturated naphthenic hydrocarbon to the saturated chlorohydrocarbon is 5: 2-2: 3.
Specifically, the saturated cycloalkane is selected from one or more of cyclopentane, cyclohexane and cycloheptane; the saturated chlorohydrocarbon is selected from one or more of dichloromethane, trichloromethane and carbon tetrachloride.
Preferably, the saturated cycloalkane is selected from cyclopentane, cyclohexane or cycloheptane and the saturated chlorinated hydrocarbon is selected from dichloromethane, trichloromethane or carbon tetrachloride.
According to one embodiment, said good solvent consists of said saturated cycloalkanes and said saturated chlorinated hydrocarbons.
According to a preferred embodiment, the extraction liquid further contains a cosolvent, and the inventors of the present invention have unexpectedly found in their research that the addition of a small amount of cosolvent can significantly improve the extraction efficiency of the extraction liquid. Wherein the cosolvent is selected from one or more of N-hexane, 1, 4-dioxane, dipropylene glycol dimethyl ether, 1, 2-propylene oxide, dimethyl carbonate, vinyl ethylene glycol and N-methylpyrrolidone. When the co-solvent is two or more compounds as described above, non-limiting examples thereof include: n-hexane and dipropylene glycol dimethyl ether, n-hexane and vinyl glycol, 1, 4-dioxane and vinyl glycol, or dipropylene glycol dimethyl ether, 1, 2-propylene oxide and dimethyl carbonate.
Preferably, the co-solvent is present in an amount of 0.01 to 2% by weight, based on the weight of the extract.
More preferably, the co-solvent is present in an amount of 0.05 to 0.8% by weight, based on the weight of the extract.
In the invention, the good solvent is relative to the cosolvent, and each component has higher solubility to the dip-coating material of the waterproof coiled material than the cosolvent.
According to a preferred embodiment, the co-solvent is N-methylpyrrolidone and/or dimethyl carbonate.
According to another preferred embodiment, the co-solvents are 1, 4-dioxane and vinyl glycol.
According to a further preferred embodiment, the co-solvents are dipropylene glycol dimethyl ether, 1, 2-propylene oxide and dimethyl carbonate.
The invention also provides application of the extract liquid in testing the content of soluble matters of the asphalt waterproof coiled material.
According to the application of the invention, the soluble content (i.e. content of impregnated material) of the asphalt waterproofing membrane product can be measured by using the extraction liquid and combining a conventional Soxhlet extraction method, and specifically, the measurement can comprise the following steps:
1) preparing an extract: transferring the saturated cyclane and the saturated chlorohydrocarbon into a conical flask with a plug according to a certain proportion, optionally adding a cosolvent, and uniformly mixing to prepare the extraction liquid;
2) preparing a sample, namely randomly cutting a square sample with the size of (100 +/-1) mm × (100 +/-1) mm on a coiled material above 100mm from the edge, and placing the sample for at least 20 hours under the conditions of (23 +/-2) DEG C and relative humidity of 30-70% before testing;
3) soxhlet extraction: the sample is wrapped with dry filter paper and tied up with a wire, weighed with an analytical balance and its mass recorded as M1(g) (ii) a Then, putting the wrapped sample into an extractor, heating and extracting until the refluxed solvent is changed into light color for the first time, taking out the filter paper to ensure that the filter paper is not cracked, and putting the filter paper in the air to volatilize the solvent (the general standing time is more than 30 mm), wherein the using amount of the extract is 1/2-2/3 of the volume of the flask; drying in a blast oven (conditions including temperature of 105 + -2 deg.C and time of about 2 hr), cooling in a drier to room temperature, weighing with an analytical balance, and recording the mass as M2(g) (ii) a The soluble content is then (M)1-M2)×100(g/m2)。
The present invention will be described in detail below by way of examples.
In the following examples and comparative examples, asphalt waterproofing membranes manufactured by Weifang Xuxin waterproofing Material Co., Ltd, national Standard-25 ℃ 3.0mm PE membranes were used as test specimens. Unless otherwise indicated, both examples and comparative examples were tested using the procedure described above.
Example 1
This example is illustrative of the extraction liquid and application of the present invention.
(1) Preparing an extraction liquid: mixing cyclopentane and carbon tetrachloride according to the mass ratio of 1: 1 to obtain 200g of extract liquor;
(2) preparing 3 samples (100 +/-1) mm × (100 +/-1) mm, wrapping the samples with filter paper, and weighing the samples respectively;
(3) adding the extract into a flask of a Soxhlet extraction device, heating the solution, starting a reflux extraction process until the refluxed solution becomes a light color for the first time, and recording the extraction time;
(4) after extraction, drying the sample filter paper bag, and weighing;
(5) soluble content was calculated and the arithmetic mean was taken of the results for the three samples and the results are shown in table 1.
Example 2
This example is illustrative of the extraction liquid and application of the present invention.
The preparation and test methods are the same as those of example 1, except that, when preparing the extract, cyclopentane and carbon tetrachloride are mixed according to the mass ratio of 5: 2, and 0.5g of n-hexane is added and mixed uniformly to obtain the extract. The extraction results are shown in table 1.
Examples 3 to 8
This example serves to illustrate the extraction liquid according to the invention and its use.
The preparation and testing methods are the same as those of example 1, except that an extract solution is prepared, the mass ratio of cyclohexane to trichloromethane is 2: 3, and the types, the amounts and the extraction results of the cosolvent added in each example are shown in table 1.
Example 9
This example serves to illustrate the extraction liquid according to the invention and its use.
The preparation and test methods are the same as example 1, except that an extract is prepared, the mass ratio of cyclopentane to dichloromethane is 2: 3, the addition amount of cosolvent is 0.5g of n-hexane and 0.5g of dipropylene glycol dimethyl ether, and the extract is obtained by uniformly mixing. The extraction results are shown in table 1.
Example 10
This example serves to illustrate the extraction liquid according to the invention and its use.
The preparation and test methods were the same as in example 1, except that an extract was prepared, cyclohexane and chloroform were mixed at a mass ratio of 5: 3, and the amounts of a cosolvent added were 1.0g of n-hexane and 0.5g of vinyl glycol, to obtain a mixed solution for extraction. The extraction results are shown in table 1.
Example 11
This example serves to illustrate the extraction liquid according to the invention and its use.
The preparation and test methods were the same as in example 1, except that an extract was prepared by mixing cycloheptane and chloroform at a mass ratio of 2: 1, and adding 0.2g of 1, 4-dioxane and 0.2g of vinyl glycol as a cosolvent to obtain an extract. The extraction results are shown in table 1.
Example 12
This example serves to illustrate the extraction liquid according to the invention and its use.
The preparation and test methods were the same as in example 1, except that an extract was prepared by mixing cycloheptane and methylene chloride at a mass ratio of 1: 1, and co-solvents were added in amounts of 0.2g of dipropylene glycol dimethyl ether, 0.5g of 1, 2-propylene oxide, and 0.5g of dimethyl carbonate to obtain an extract. The extraction results are shown in table 1.
Comparative example
The preparation and testing procedure was the same as in example 1, except that the extract used in this comparative example was single component trichloroethylene, and the extraction results are shown in Table 1.
TABLE 1
*: the mixing ratio refers to the mass ratio of the cycloalkane to the chlorohydrocarbon.
As can be seen from Table 1, the extraction time of the extracts of examples 1-12 was 65-72 hours, and the extraction time of the comparative example was 76 hours; in addition, when the extract liquid is used for testing the content of soluble matters in the extracted asphalt waterproof coiled material, the content of the soluble matters is higher than that of a contrast reagent, which shows that the extract liquid has a good extraction effect on a dip-coating material in the waterproof coiled material and can more accurately reflect the content of the soluble matters in the waterproof coiled material.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. An extraction liquid aiming at the solubles of the waterproof roll is characterized in that the extraction liquid contains a good solvent of the solubles of the waterproof roll, and the good solvent contains saturated naphthenic hydrocarbon and saturated chlorohydrocarbon; the saturated cycloalkane has the general formula CnH2nThe saturated chlorohydrocarbon has a general formula of CHmCl4-mWherein n is an integer of 5 to 7, and m is an integer of 0 to 2; based on the weight of the extract liquor, the total content of the saturated naphthenic hydrocarbon and the saturated chlorohydrocarbon is more than 98 weight percent, and the mass ratio of the saturated naphthenic hydrocarbon to the saturated chlorohydrocarbon is 3: 1-1: 2;
wherein the extract also contains a cosolvent, and the cosolvent is selected from one or more of N-hexane, 1, 4-dioxane, dipropylene glycol dimethyl ether, 1, 2-propylene oxide, dimethyl carbonate, vinyl ethylene glycol and N-methylpyrrolidone.
2. The extraction liquid according to claim 1, wherein the mass ratio of the saturated cycloalkane to the saturated chlorohydrocarbon is 5: 2 to 2: 3.
3. The extraction liquid according to claim 1, wherein the good solvent consists of the saturated cycloalkane and the saturated chlorinated hydrocarbon.
4. The extraction liquid according to claim 1, wherein the co-solvent is contained in an amount of 0.01 to 2% by weight, based on the weight of the extraction liquid.
5. The extraction liquid according to claim 4, wherein the cosolvent is contained in an amount of 0.05 to 0.8% by weight based on the weight of the extraction liquid.
6. The extraction liquid according to claim 1, wherein the co-solvent is N-methylpyrrolidone and/or dimethyl carbonate.
7. The extraction liquid according to claim 1, wherein the co-solvent is 1, 4-dioxane and vinyl glycol.
8. The extraction liquid according to claim 1, wherein the co-solvent is dipropylene glycol dimethyl ether, 1, 2-propylene oxide and dimethyl carbonate.
9. Use of an extraction liquid according to any one of claims 1 to 8 for testing the soluble content of bituminous waterproof sheets.
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| CN109612817B (en) * | 2018-11-27 | 2021-09-17 | 湖北建研科峰工程质量检测有限公司 | Composite extracting agent for detecting soluble matter content of elastomer modified asphalt waterproof coiled material and detection method |
| CN109612818B (en) * | 2018-11-27 | 2021-09-17 | 湖北建研科峰工程质量检测有限公司 | Extracting agent for detecting soluble matter content of elastomer modified asphalt waterproof coiled material and detection method |
| CN109632447B (en) * | 2018-11-27 | 2021-06-18 | 湖北建研科峰工程质量检测有限公司 | Extracting agent for detecting soluble matter content of elastomer modified asphalt waterproof coiled material and detection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363782A (en) * | 2008-09-17 | 2009-02-11 | 重庆市计量质量检测研究院 | Extractive agent for detecting plasticiser in PVC products |
| CN105132000A (en) * | 2015-08-26 | 2015-12-09 | 西南石油大学 | Solvent for dissolving highly mature pyrobitumen and use method thereof |
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| CA2010774A1 (en) * | 1989-06-12 | 1990-12-12 | William L. Lafferty, Jr. | Conversion increase of vacuum residiums |
| US20110240064A1 (en) * | 2002-09-09 | 2011-10-06 | Reactive Surfaces, Ltd. | Polymeric Coatings Incorporating Bioactive Enzymes for Cleaning a Surface |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363782A (en) * | 2008-09-17 | 2009-02-11 | 重庆市计量质量检测研究院 | Extractive agent for detecting plasticiser in PVC products |
| CN105132000A (en) * | 2015-08-26 | 2015-12-09 | 西南石油大学 | Solvent for dissolving highly mature pyrobitumen and use method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 对沥青防水卷材萃取效果影响因素的探讨;马颖莹等;《住宅科技》;20150720;全文 * |
| 萃取液对弹性体改性沥青防水卷材可溶物含量的影响;李倩;《上海计量测试》;20130625;第3节 * |
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