CN105486844A - Soaking detection method of latex - Google Patents
Soaking detection method of latex Download PDFInfo
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- CN105486844A CN105486844A CN201511000812.7A CN201511000812A CN105486844A CN 105486844 A CN105486844 A CN 105486844A CN 201511000812 A CN201511000812 A CN 201511000812A CN 105486844 A CN105486844 A CN 105486844A
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- latex
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
Abstract
The invention relates to the field of latex detection and particularly relates to a soaking detection method of latex. The soaking detection method comprises the following steps: (1) detecting latex to be detected: (a) preparing a latex solution to be detected; (b) soaking a paperboard into the latex solution to be detected; (c) enabling the paperboard to absorb the latex solution to obtain a wet paperboard; (d) removing the surplus latex solution to be detected; (e) drying the semi-dry paperboard to obtain a board to be detected; (f) detecting the board to be detected to obtain detection data; (2) replacing the latex solution to be detected in the step (1) with a standard latex solution and detecting the standard latex solution for a plurality of times according to the steps (a) to (f) to obtain standard range data; and (3) comparing the detection data with the standard range data to obtain a conclusion. The soaking detection method of the latex simulates the actual production and finishes a latex performance test in a laboratory, so that a condition that the latex to be detected is directly produced and detected on a machine is avoided, and the detection cost and production cost are greatly saved.
Description
Technical field
The present invention relates to latex detection field, particularly relate to latex and soak detection method.
Background technology
Latex fiber plate is a kind of sheet material adopting vegetable fibre and latex to be composited, and possesses good processing and usability.Be mainly used in the interior end making shoes at present, also can be applicable to the inner lining material of case and bag, belt, clothing, shoes and hats, the brim of a hat, stationery, the making material of furniture etc., the label etc. of jeans.
Make the latex that latex fiber plate uses and comprise the rubber-like emulsions such as styrene-butadiene latex, butadiene acrylonitrile rubber breast, polychloroprene latex, and the Oak Tree lipid emulsion such as vinyl acetate latex, polyacrylic ester latex, polyvinylchloride latex.
But, because its internal performance of various emulsion is different, the quality of the emulsion that different manufacturers is produced is had any different again, how to judge that a kind of emulsion is adding the effect produced in vegetable fibre board and whether the product quality reached meets the standard preset, current most of latex fiber plate manufacturer adopts the way of upper machine pilot scale to test, if to judge in advance or to choose emulsion improper, just need the machine test of repeated multiple times ground, have a strong impact on normal production on the one hand, experimentation cost is very high on the other hand.
Summary of the invention
The object of the invention is to propose one first utilizes latex to be detected to imitate actual production, obtain drafting board to be checked, partial properties again by detecting drafting board to be checked obtains detecting data, the critical field data of the drafting board to be checked that last and known suitable latex is produced contrast, thus judge whether this latex to be measured is applicable to the latex immersion detection method of Fibreboard Production.
For reaching this object, the present invention by the following technical solutions:
Latex soaks detection method, comprises the steps:
1) detection of latex to be detected:
A), prepare latex solution to be detected, and inserted container Inner;
B), by cardboard launch to insert container Inner, and make the complete submergence cardboard of latex solution to be detected;
C), absorb after latex solution to be detected becomes wet paperboard completely until cardboard, take out;
D), by wet paperboard tiling through pressurizing unit, unnecessary emulsion solution to be detected is removed in extruding, forms half-dried cardboard;
E), by half-dried cardboard put into baking oven Inner to dry, obtain drafting board to be checked;
F), treat check-out console and detect, obtain detecting data;
2), the detection of standard latex
G), by described step 1) in latex solution to be detected change the fat corrected milk(FCM) sol solution of applicable Fibreboard Production into, and according to described step a)-f) carry out repeated detection, and obtain critical field data;
3), by described detection data and critical field data compare, reach a conclusion.
More excellent, described step 1) and 2) in no particular order.Step 1 described in detecting in reality) and 2) be independently, the known standard latex of same is according to described step 1) operated after, the critical field data obtained can save, the contrast standard range data of the direct detection data as later similar latex to be detected, just all need not do the testing process of a standard latex at every turn.
Further illustrate, the latex concentration inserting latex solution to be detected in container and fat corrected milk(FCM) sol solution is 15-45%.Fixing within the scope of this by the concentration limits of latex solution to be detected or fat corrected milk(FCM) sol solution, is the concentration in order to imitate when latex solution adds in actual production.
Further illustrate, described standard latex is made up of at least one latex in styrene-butadiene latex, polychloroprene latex, butadiene acrylonitrile rubber breast, vinyl acetate latex, polyacrylic ester latex and polyvinylchloride latex.
Described cardboard can be sheet or tabular according to thickness material difference.The preferably A4 blank sheet of paper of described cardboard to be thickness be 0.1mm-1.5mm.Adopt the A4 blank sheet of paper at this thickness range Inner, be very common on the one hand, be convenient to experiment and draw materials, having can be cost-saving; Be that after the A4 blank sheet of paper whole milk sol solution of this thickness, cracky can not be out of shape excessive on the other hand, ensure that normally carrying out of subsequent experimental.
Further illustrate, step c) in cardboard time of immersing latex solution to be detected or fat corrected milk(FCM) sol solution be 1-5 minute.The soak time of cardboard in latex solution is very crucial, and the too short cardboard that cannot allow of soak time absorbs latex solution completely; Long soaking time can cause cardboard water suction excessive deformation, affects subsequent experimental operation.
A kind of pressurizing unit being applied to above-mentioned latex immersion detection method, described pressurizing unit comprises about a pair just to the compression roller arranged, the compression roller of top is rubber covered roll, and the compression roller of below is chrome-plated roller, gives the linear pressure of 0.5-1.0kg/cm between two compression rollers.Experimentally actual conditions regulate squeeze pressure, and after making to squeeze out unnecessary latex solution, the content of latex be retained in wet Paper or cardboard meets designing requirement.
More excellent, be provided with adapter road immediately below described pressurizing unit, described adapter road is connected with the cavity volume of described container.Make unnecessary latex solution in wet paperboard can be recovered to container Inner, avoid waste, saved experimental cost.
Further illustrate, described step e) in the baking temperature of baking oven be 100-150 degree.Baking temperature needs to adjust according to the requirement of different latex to temperature.The baking temperature of baking oven is limited within the scope of this, avoids the structure of the too high baking bad cardboard self of temperature on the one hand, baking temperature will be improved on the other hand as much as possible and improve baking efficiency.
More excellent, often kind of latex to be detected needs described step 1 at least in triplicate), will mean value that three testing results the obtain detection data as latex to be detected often kind described be obtained, then with described critical field Data Comparison.By repeatedly repeatability detect, the manual operation error in testing process could be eliminated as much as possible, could be more objective and accurate detect the drafting board various performance parameters to be checked that latex solution is produced.
The present invention proposes a kind of latex according to foregoing and soaks detection method, and it imitates actual production situation, and the drafting board to be checked produced, finally according to existing paperboard properties detection method, detects that the performance data of drafting board to be checked is described detection data.Latex performance test is first detected at laboratory Inner, then the critical field data detecting data corresponding with the latex that known suitable fibers plate is produced are compared, and then judge whether latex to be detected is adapted to the production of fiberboard; Like this can when less experimentation cost, repeated multiple timesly constantly to test, until test out suitable emulsion formulations, avoid directly by machine production testing on latex to be detected, greatly save detection and production cost.
Accompanying drawing explanation
Fig. 1 is step 1 described in the present invention) or 2) operating process schematic diagram.
Wherein: container 100, emulsion (latex solution to be detected or fat corrected milk(FCM) sol solution) 200, cardboard 300, wet paperboard 310, half-dried cardboard 320, drafting board 330 to be checked, baking oven 400, compression roller 500.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
The detecting instrument and the detection method that detect detected sample in following embodiment are as follows: when 1, detecting pulling strengrth, adopt computer observing and controlling tensile testing machine, detect according to " mensuration of GB/T12914 paper and paperboard tensile strength " method; 2, peel strength (interfacial bonding strength) between detection layers, adopt paper and paperboard pull force calculation instrument or Paper or cardboard bursting strength detector, detect according to " mensuration of footwear test method interlaminar strength " (GB/T3903.8-2005) or " assay method of latex fiber plate interlaminar strength "; When 3, detecting deflection, adopt TMI bending break stiffness instrument, detect according to " mensuration of GB/T22364 paper and paperboard bending break stiffness "; When 4, detecting tearability, adopt electronics tearability instrument, detect according to " mensuration of GBT455-2002 paper and paperboard tearability "; When 5, detecting folding strength, adopt electronics folding strength instrument, detect according to " QB/T1472 footwear fiberboard subdues index "; When 6, detecting anti-water permeability, detect according to " QBT1662-1992 Ke Liemu absorbability analyzer ", or cut sample by standard size soak about 60min in water, measuring its thickness increases number percent and detects.
The detection of standard latex
In order to save detection time, first according to step 2 described in the present invention) the latex formula of a kind of known applicable Fibreboard Production of contents selection detect, and it is finally detected the data that obtain as critical field data, concrete steps are as follows:
The formula of standard latex is: carboxylic styrene butadiene latex (belonging to the one of styrene-butadiene latex), polychloroprene latex.
The detection of the first standard latex: the detection of carboxylic styrene butadiene latex
A), compound concentration is 15% fat corrected milk(FCM) sol solution, and is inserted container Inner;
B), by a thickness be that the A4 blank sheet of paper of 1.0mm launches to insert container Inner, and make this blank sheet of paper of the complete submergence of fat corrected milk(FCM) sol solution;
C), soak 1 minute, this blank sheet of paper absorbs fat corrected milk(FCM) sol solution completely and becomes wet paperboard, takes out;
D), by wet paperboard tiling through pressurizing unit, unnecessary fat corrected milk(FCM) sol solution is removed in extruding, forms half-dried cardboard;
E), by half-dried cardboard putting into temperature is that the baking oven Inner of 150 degree is dried, and obtains drafting board to be checked;
F), treat check-out console and detect, obtain normal data.
Repeat aforesaid operations, obtain organizing normal data more, and obtain corresponding critical field data.As follows:
Table 1 standard carboxylic styrene butadiene latex range data table
The detection of the second standard latex: the detection of standard polychloroprene latex
A), compound concentration is 30% fat corrected milk(FCM) sol solution, and is inserted container Inner;
B), by a thickness be that the A4 blank sheet of paper of 1.5mm launches to insert container Inner, and make this blank sheet of paper of the complete submergence of fat corrected milk(FCM) sol solution;
C), soak 2 minutes, this blank sheet of paper absorbs fat corrected milk(FCM) sol solution completely and becomes wet paperboard, takes out;
D), by wet paperboard tiling through pressurizing unit, unnecessary fat corrected milk(FCM) sol solution is removed in extruding, forms half-dried cardboard;
E), by half-dried cardboard putting into temperature is that the baking oven Inner of 120 degree is dried, and obtains drafting board to be checked;
F), treat check-out console and detect, obtain normal data.
Repeat aforesaid operations, obtain organizing normal data more, and obtain corresponding critical field data.As follows:
Table 2 standard polychloroprene latex latex range data table
Embodiment 1
The detection of latex to be detected
The distinctive points of the detection of the present embodiment and above-mentioned first standard latex is: above-mentioned standard latex is replaced to latex to be detected, and in the present embodiment, the formula of latex to be detected is: certain factory's carboxylic styrene butadiene latex ebonite 327 (tg=10 DEG C) and carboxylic styrene butadiene latex flexible glue 328 (tg=-20 DEG C) thereof mix with 1:1.The detection data of final the present embodiment are as shown in the table:
The detection data of table 3 embodiment 1
This table detection data and table 1 Plays range data are compared, show that in the present embodiment, latex formula is applicable to the production of fiberboard.
Embodiment 2
The detection of latex to be detected
The distinctive points of the detection of the present embodiment and above-mentioned second standard latex is: above-mentioned standard latex is replaced to latex to be detected, and in the present embodiment, the formula of latex to be detected is: certain factory's carboxylic styrene butadiene latex ebonite 830 (tg=30 DEG C) and carboxylic styrene butadiene latex flexible glue 800 (tg=-10 DEG C) thereof mix with 1:1.The detection data of final the present embodiment are as shown in the table:
The detection data of table 4 embodiment 2
This table detection data and table 1 Plays range data are compared, show that in the present embodiment, latex formula is not suitable for the production of fiberboard.
Embodiment 3
The detection of latex to be detected
The distinctive points of the detection of the present embodiment and above-mentioned 3rd standard latex is: above-mentioned standard latex is replaced to latex to be detected, and in the present embodiment, the formula of latex to be detected is: certain factory's neoprene.The detection data of final the present embodiment are as shown in the table:
The detection data of table 5 embodiment 1
This table detection data and table 2 Plays range data are compared, show that in the present embodiment, latex formula is applicable to the production of fiberboard.
As can be seen from above, it is imitate actual production situation that described latex soaks detection method, and the drafting board to be checked produced, finally according to existing paperboard properties detection method, detects that the performance data of drafting board to be checked is described detection data.Latex performance test is first detected at laboratory Inner, then the critical field data detecting data corresponding with the latex that known suitable fibers plate is produced are compared, and then judge whether latex to be detected is adapted to the production of fiberboard; Like this can when less experimentation cost, repeated multiple timesly constantly to test, until test out suitable emulsion formulations, avoid directly by machine production testing on latex to be detected, greatly save detection and production cost.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. latex soaks detection method, it is characterized in that, comprises the steps:
1) detection of latex to be detected:
A), prepare latex solution to be detected, and inserted container Inner;
B), by cardboard launch to insert container Inner, and make the complete submergence cardboard of latex solution to be detected;
C), absorb after latex solution to be detected becomes wet paperboard completely until cardboard, take out;
D), by wet paperboard tiling through pressurizing unit, unnecessary emulsion solution to be detected is removed in extruding, forms half-dried cardboard;
E), by half-dried cardboard put into baking oven Inner to dry, obtain drafting board to be checked;
F), treat check-out console and detect, obtain detecting data;
2), the detection of standard latex:
G), by described step 1) in latex solution to be detected change the fat corrected milk(FCM) sol solution of applicable Fibreboard Production into, and according to described step 1) in a)-f step by step) carry out repeated detection, and obtain critical field data;
3), by described detection data and critical field data compare, reach a conclusion.
2. latex according to claim 1 soaks detection method, it is characterized in that, described step 1) and 2) in no particular order.
3. latex according to claim 1 soaks detection method, it is characterized in that, the latex concentration inserting latex solution to be detected in container and fat corrected milk(FCM) sol solution is 15-45%.
4. latex according to claim 1 soaks detection method, and it is characterized in that, described standard latex is made up of at least one latex in styrene-butadiene latex, polychloroprene latex, butadiene acrylonitrile rubber breast, vinyl acetate latex, polyacrylic ester latex and polyvinylchloride latex.
5. latex according to claim 1 soaks detection method, it is characterized in that, the A4 blank sheet of paper of described cardboard to be thickness be 0.1mm-1.5mm.
6. latex according to claim 1 soaks detection method, it is characterized in that, step c) in cardboard time of immersing latex solution to be detected or fat corrected milk(FCM) sol solution be 1-5 minute.
7. be applied to the pressurizing unit that latex according to claim 1 soaks detection method, it is characterized in that, described pressurizing unit comprises about a pair just to the compression roller arranged, and the compression roller of top is rubber covered roll, and the compression roller of below is chrome-plated roller.
8. latex according to claim 7 soaks detection method, and it is characterized in that, be provided with adapter road immediately below described pressurizing unit, described adapter road is connected with the cavity volume of described container.
9. latex according to claim 1 soaks detection method, it is characterized in that, the baking temperature of described e) middle baking oven is 100-150 degree.
10. latex according to claim 1 soaks detection method, it is characterized in that, often kind of latex to be detected needs described step 1 at least in triplicate), to mean value that three testing results the obtain detection data as latex to be detected often kind described be obtained, then with described critical field Data Comparison.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000812.7A CN105486844A (en) | 2015-12-25 | 2015-12-25 | Soaking detection method of latex |
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| CN201511000812.7A CN105486844A (en) | 2015-12-25 | 2015-12-25 | Soaking detection method of latex |
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| CN105486844A true CN105486844A (en) | 2016-04-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298275Y (en) * | 1997-07-07 | 1998-11-25 | 孙厚芝 | Multipurpose compound paper machine |
| US20030225203A1 (en) * | 1999-11-18 | 2003-12-04 | Jsr Corporation | Copolymer latex, process for producing copolymer latex, and paper coating composition |
| CN202351174U (en) * | 2011-10-31 | 2012-07-25 | 立邦涂料（中国）有限公司 | Device for testing stain resistance of interior wall emulsion paint |
-
2015
- 2015-12-25 CN CN201511000812.7A patent/CN105486844A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298275Y (en) * | 1997-07-07 | 1998-11-25 | 孙厚芝 | Multipurpose compound paper machine |
| US20030225203A1 (en) * | 1999-11-18 | 2003-12-04 | Jsr Corporation | Copolymer latex, process for producing copolymer latex, and paper coating composition |
| CN202351174U (en) * | 2011-10-31 | 2012-07-25 | 立邦涂料（中国）有限公司 | Device for testing stain resistance of interior wall emulsion paint |
Non-Patent Citations (3)
| Title |
|---|
| 丁旭 等: "层合法制作高级鞋用纸板的工艺", 《大连工业大学学报》 * |
| 刁云云 等: "针叶木/黄麻纤维制鞋用内底板的浸渍工艺研究", 《天津造纸》 * |
| 李明阁 等: "鞋用纸板的生产技术", 《上海造纸》 * |
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Application publication date: 20160413 |