CN110987551A - Preparation of glazing liquid and its effect test method - Google Patents
Preparation of glazing liquid and its effect test method Download PDFInfo
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- CN110987551A CN110987551A CN201911094248.8A CN201911094248A CN110987551A CN 110987551 A CN110987551 A CN 110987551A CN 201911094248 A CN201911094248 A CN 201911094248A CN 110987551 A CN110987551 A CN 110987551A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Abstract
A preparation of glazing liquid and its effect test method, add borax, boracic acid, sodium octaborate, ammonium polyphosphate and potassium tripolyphosphate weighed into the ultrapure water preheated to certain temperature at the same time and dissolve, and keep the solution at certain temperature and dissolve for certain time, get A liquid; then uniformly mixing the prepared solution A with a certain amount of waterborne polyurethane to prepare glazing liquid; as can be seen by the comparison of the effect tests conforming to the national standard, the paper board coated by the prepared glazing liquid has obvious glossiness and fireproof effect; the glazing liquid can not only improve the smoothness of the surface of the furniture box, but also overcome the defect that in the manufacture of the four-prevention furniture box, the protective liquid is soaked and precipitated on the paperboard and is distributed unevenly, thereby avoiding the phenomenon that the protective liquid layer with the protective effect on the surface of the furniture box falls off due to friction in the process of carrying or shifting, and further improving the fireproof performance of the furniture box. Has the advantages of simple operation, low cost and strong practicability.
Description
Technical Field
The invention belongs to the technical field of medicament preparation, and particularly relates to a preparation method of glazing liquid and an effect test method thereof.
Background
China has a long history, immeasurable cultural, artistic and technical wealth is left in summer civilization for thousands of years, and cultural relics are used as carriers for bearing the values and need to be respected, interpreted and transmitted. However, the environment of the cultural relics causes the situation of the cultural relics to be very difficult, and even some cultural relics are serious to be destroyed, so that the rescue of the cultural relics is urgently needed to be implemented. The center develops a four-prevention furniture box aiming at the storage of various important files, forms a small storage environment, and can ensure that the files have acid-proof, insect-proof, mildew-proof and fireproof performances. In the manufacturing process of the four-prevention furniture box, the protective liquid is soaked and deposited on the paperboard, so that the defect of uneven distribution exists, and the solution which has the protective effect on the surface of the furniture box can be rubbed and dropped off in the process of carrying or shifting.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a preparation method of glazing liquid and an effect test method thereof, which can prepare the glazing liquid capable of improving the smoothness of the surface of a furniture containing box and the fire resistance of the furniture containing box, and the effect test shows that the glossiness and the fire resistance effect of a paperboard coated with the prepared glazing liquid are obvious; has the advantages of simple operation, low cost and strong practicability.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of glazing liquid specifically comprises the following steps:
1) weighing 2-3 g of borax, 2-3 g of boric acid, 56-60 g of sodium octaborate, 11-12 g of ammonium polyphosphate and 5-6 g of potassium tripolyphosphate, simultaneously adding the weighed materials into 1000ml of ultrapure water preheated to 80 ℃, and stirring the materials by using a magnetic stirrer to dissolve the materials;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
A method for testing the effect of glazing liquid specifically comprises the following steps:
a gloss measurement
1) Selecting 5 pieces of kraft paper with the same size and polished by the above method, and cutting a square sample with size of 450mm × 450mm from the selected kraft paper;
2) respectively soaking the samples obtained in the step 1) in saturated salt solution of MgCl2 at 25 ℃, and storing in a constant temperature and humidity apparatus for 8 h;
3) calibrating the gloss instrument, setting parameters to be 75 degrees, testing the 5 samples processed in the step 2), and accurately measuring the values to 1 gloss unit;
b flame retardant Effect test
1) Respectively cutting out 10 samples of 210mm multiplied by 70mm from the position 50mm away from the edge of the sample before and after glazing;
2) drying the sample obtained in the step 1) in an oven at 50 +/-2 ℃ for 24 hours, taking out and placing in a dryer for 24 hours;
3) setting the gas supply pressure of 17-18 kPa, setting the flow rate of 56-60 mL/min, and setting the flame height to be 40 +/-2 mm by adjusting a lamp tube at the upper part of a gas lamp;
4) clamping a sample into a sample clamp, enabling the yellow gas flame to contact with the sample, applying flame for 12s, immediately removing the gas lamp, and simultaneously recording the afterflame time and the ignition time;
5) after the test, place the sample level on the operation panel, pat the carbomorphism part gently with the glass stick, make the charcoal sediment drop, measure the edge to the defective partial maximum length, promptly carbomorphism length, accurate to 1 mm.
In the A glossiness testing process, the un-polished sample and the polished sample belong to samples with obviously different glossiness, and need to be calibrated again.
The step A) is carried out according to the requirements of national standard GB/T450-2008 'taking of paper and paperboard samples and measuring of longitudinal, transverse and front and back sides of the samples'.
Said A step 2) is carried out according to the requirements of the national Standard GB/T10739-2002 Standard atmospheric conditions for the treatment and testing of paper, cardboard and pulp samples.
The step A) is carried out according to the specified requirements of the national standard GB/T8941-2013 'determination of specular gloss of paper and paperboard'.
And the B flame-retardant effect test is carried out according to the specified requirements of the national standard GB/T14656-93 flame-retardant paper and paperboard combustion performance test method.
The method comprises the steps of adding weighed borax, boric acid, sodium octaborate, ammonium polyphosphate and potassium tripolyphosphate into ultrapure water preheated to a certain temperature to be dissolved, and keeping the solution at the certain temperature to be dissolved for a certain time to obtain solution A; and uniformly mixing the prepared solution A with a certain amount of waterborne polyurethane to prepare glazing liquid. As can be seen from the comparison of the effect tests, the paper board coated by the prepared glazing liquid has obvious glossiness and fireproof effect. The glazing liquid can not only improve the smoothness of the surface of the furniture box, overcome the defect that the protective liquid is soaked and precipitated on the paperboard and is distributed unevenly in the manufacturing process of the four-prevention furniture box, avoid the phenomenon that the protective liquid layer with the protective effect on the surface of the furniture box falls off due to friction in the process of carrying or shifting, but also further improve the fireproof performance of the furniture box; has the advantages of simple operation, low cost and strong practicability.
Drawings
FIG. 1 is a graph comparing the gloss change before and after treating a paperboard with a glazing composition according to the invention.
FIG. 2 is a graph comparing the flame retardant effect before and after the paper board is treated with the glazing liquid according to the present invention.
Fig. 3 is a comparison of the microscopic topography of the white paperboard coated with the glazing liquid of the present invention, wherein fig. 3(a1) is a sample of untreated paperboard at 200 times magnification, fig. 3(a2) is a sample of paperboard soaked with the repellent at 200 times magnification, and fig. 3(a3) is a sample of paperboard treated with the glazing liquid at 200 times magnification.
Fig. 4 is a comparison of the micro-topography of the yellow paperboard coated with glazing liquid of the present invention, wherein fig. 4(b1) is an untreated paperboard sample at 200 times magnification, fig. 4(b2) is a paperboard sample soaked with protective agent at 200 times magnification, and fig. 4(b3) is a paperboard sample treated with glazing liquid at 200 times magnification.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A preparation method of glazing liquid specifically comprises the following steps:
1) weighing 2-3 g of borax, 2-3 g of boric acid, 56-60 g of sodium octaborate, 11-12 g of ammonium polyphosphate and 5-6 g of potassium tripolyphosphate, simultaneously adding the weighed materials into 1000ml of ultrapure water preheated to 80 ℃, and stirring the materials by using a magnetic stirrer to dissolve the materials;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
A method for testing the effect of glazing liquid specifically comprises the following steps:
a gloss measurement
1) Selecting 5 pieces of kraft paper with the same size and polished by the above method, and cutting a square sample with size of 450mm × 450mm from the selected kraft paper;
2) respectively soaking the samples obtained in the step 1) in saturated salt solution of MgCl2 at 25 ℃, and storing in a constant temperature and humidity apparatus for 8 h;
3) calibrating the gloss instrument, setting parameters to be 75 degrees, testing the 5 samples processed in the step 2), and accurately measuring the values to 1 gloss unit;
b flame retardant Effect test
1) Respectively cutting out 10 samples of 210mm multiplied by 70mm from the position 50mm away from the edge of the sample before and after glazing;
2) drying the sample obtained in the step 1) in an oven at 50 +/-2 ℃ for 24 hours, taking out and placing in a dryer for 24 hours;
3) setting the gas supply pressure of 17-18 kPa, setting the flow rate of 56-60 mL/min, and setting the flame height to be 40 +/-2 mm by adjusting a lamp tube at the upper part of a gas lamp;
4) clamping a sample into a sample clamp, enabling the yellow gas flame to contact with the sample, applying flame for 12s, immediately removing the gas lamp, and simultaneously recording the afterflame time and the ignition time;
5) after the test, place the sample level on the operation panel, pat the carbomorphism part gently with the glass stick, make the charcoal sediment drop, measure the edge to the defective partial maximum length, promptly carbomorphism length, accurate to 1 mm.
In the A glossiness testing process, the un-polished sample and the polished sample belong to samples with obviously different glossiness, and need to be calibrated again.
The step A) is carried out according to the requirements of national standard GB/T450-2008 'taking of paper and paperboard samples and measuring of longitudinal, transverse and front and back sides of the samples'.
Said A step 2) is carried out according to the requirements of the national Standard GB/T10739-2002 Standard atmospheric conditions for the treatment and testing of paper, cardboard and pulp samples.
The step A) is carried out according to the specified requirements of the national standard GB/T8941-2013 'determination of specular gloss of paper and paperboard'.
And the B flame-retardant effect test is carried out according to the specified requirements of the national standard GB/T14656-93 flame-retardant paper and paperboard combustion performance test method.
The working principle of the invention is as follows:
adding weighed borax, boric acid, sodium octaborate, ammonium polyphosphate and potassium tripolyphosphate into ultrapure water preheated to a certain temperature to be dissolved, and keeping the solution at the certain temperature to be dissolved for a certain time to obtain solution A; then uniformly mixing the prepared solution A with a certain amount of waterborne polyurethane to prepare glazing liquid; referring to fig. 1 to 4, it can be seen through comparison of effect tests that the gloss of the paperboard coated with the prepared glazing liquid is increased from 6GU after non-glazing to 23GU after glazing, and the gloss is obviously improved; the flame retardant effect is as follows: the afterflame time and the burning time after glazing are reduced by 0.1-0.2 s compared with the time without glazing, and the numerical value change is small because the afterflame time of the paperboard sample treated by the flame retardant is short, which is a great progress in flame retardance; the average carbonization length is obviously reduced from 1.175cm in the non-lighting state to 0.855cm, the carbonization length is obviously changed, and the fireproof effect is obvious; after the glazing liquid is prepared, the glazing liquid is uniformly coated on the paperboard by using a small glazing machine, and after the paperboard is naturally dried, the paperboard is made into a furniture containing box which is used in the protection work of cultural relics and documents.
Example 1
A preparation method of glazing liquid specifically comprises the following steps:
1) 2.2g of borax, 2.1g of boric acid, 58g of sodium octaborate, 11.1g of ammonium polyphosphate and 5.3g of potassium tripolyphosphate were weighed out, and then added to 1000ml of ultrapure water preheated to 80 ℃ at the same time, and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
Example 2
A preparation method of glazing liquid specifically comprises the following steps:
1) 2.2g of borax, 2.1g of boric acid, 57g of sodium octaborate, 11.3g of ammonium polyphosphate and 5.5g of potassium tripolyphosphate were weighed out, and then added to 1000ml of ultrapure water preheated to 80 ℃ at the same time, and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
Example 3
A preparation method of glazing liquid specifically comprises the following steps:
1) 2.3g of borax, 2.3g of boric acid, 59g of sodium octaborate, 11.4g of ammonium polyphosphate and 5.6g of potassium tripolyphosphate were weighed out and then simultaneously added to 1000ml of ultrapure water preheated to 80 ℃ and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
Example 4
A preparation method of glazing liquid specifically comprises the following steps:
1) 2.5g of borax, 2.4g of boric acid, 57g of sodium octaborate, 11.2g of ammonium polyphosphate and 5.4g of potassium tripolyphosphate were weighed out, and then added to 1000ml of ultrapure water preheated to 80 ℃ at the same time, and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
Example 5
A preparation method of glazing liquid specifically comprises the following steps:
1) 2.6g of borax, 2.6g of boric acid, 58g of sodium octaborate, 11.5g of ammonium polyphosphate and 5.7g of potassium tripolyphosphate were weighed out and then added to 1000ml of ultrapure water preheated to 80 ℃ at the same time, and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
The above embodiments are only intended to illustrate the technical solutions of the present invention, but not to limit the same, and it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be equivalently replaced, and the modifications or the replacements do not make the essence of the corresponding technical solutions depart from the scope of the present invention.
Claims (10)
1. A preparation method of glazing liquid is characterized in that: the method specifically comprises the following steps:
1) weighing 2-3 g of borax, 2-3 g of boric acid, 56-60 g of sodium octaborate, 11-12 g of ammonium polyphosphate and 5-6 g of potassium tripolyphosphate, simultaneously adding the weighed materials into 1000ml of ultra-pure water preheated to 80 ℃, and stirring and dissolving the materials;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
2. A process for preparing a glazing fluid according to claim 1, characterized in that: the method specifically comprises the following steps:
1) 2.2g of borax, 2.1g of boric acid, 58g of sodium octaborate, 11.1g of ammonium polyphosphate and 5.3g of potassium tripolyphosphate are weighed out and then simultaneously added into 1000ml of ultra-pure water preheated to 80 ℃, and stirred and dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
3. A process for preparing a glazing fluid according to claim 1, characterized in that: the method specifically comprises the following steps:
1) 2.5g of borax, 2.4g of boric acid, 57g of sodium octaborate, 11.2g of ammonium polyphosphate and 5.4g of potassium tripolyphosphate are weighed out and then simultaneously added into 1000ml of ultra-pure water preheated to 80 ℃, and stirred and dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
4. A process for preparing a glazing fluid according to claim 1, characterized in that: the method specifically comprises the following steps:
1) 2.6g of borax, 2.6g of boric acid, 58g of sodium octaborate, 11.5g of ammonium polyphosphate and 5.7g of potassium tripolyphosphate were weighed out and then added to 1000ml of ultrapure water preheated to 80 ℃ at the same time, and stirred by a magnetic stirrer to be dissolved;
2) keeping the solution prepared in the step 1) at the temperature of 80 ℃, stirring and dissolving for 40min to obtain solution A;
3) uniformly mixing the solution A prepared in the step 2) with 2000ml of waterborne polyurethane to prepare glazing liquid.
5. The method for testing the effect of the glazing liquid prepared on the basis of any one of claims 1 to 4 specifically comprises the following steps:
a gloss measurement
1) Selecting 5 pieces of kraft paper with the same size and polished by the above method, and cutting a square sample with size of 450mm × 450mm from the selected kraft paper;
2) respectively soaking the samples obtained in the step 1) in saturated salt solution of MgCl2 at 25 ℃, and storing in a constant temperature and humidity apparatus for 8 h;
3) calibrating the gloss instrument, setting parameters to be 75 degrees, testing the 5 samples processed in the step 2), and accurately measuring the values to 1 gloss unit;
b flame retardant Effect test
1) Respectively cutting out 10 samples of 210mm multiplied by 70mm from the position 50mm away from the edge of the sample before and after glazing;
2) drying the sample obtained in the step 1) in an oven at 50 +/-2 ℃ for 24 hours, taking out and placing in a dryer for 24 hours;
3) setting the gas supply pressure of 17-18 kPa, setting the flow rate of 56-60 mL/min, and setting the flame height to be 40 +/-2 mm by adjusting a lamp tube at the upper part of a gas lamp;
4) clamping a sample into a sample clamp, enabling the yellow gas flame to contact with the sample, applying flame for 12s, immediately removing the gas lamp, and simultaneously recording the afterflame time and the ignition time;
5) after the test, place the sample level on the operation panel, pat the carbomorphism part gently with the glass stick, make the charcoal sediment drop, measure the edge to the defective partial maximum length, promptly carbomorphism length, accurate to 1 mm.
6. The method for testing the effect of a glazing liquid according to claim 5, characterized in that: in the A glossiness testing process, the un-polished sample and the polished sample belong to samples with obviously different glossiness, and need to be calibrated again.
7. The method for testing the effect of a glazing liquid according to claim 5, characterized in that: the step A) is carried out according to the requirements of national standard GB/T450-2008 'taking of paper and paperboard samples and measuring of longitudinal, transverse and front and back sides of the samples'.
8. The method for testing the effect of a glazing liquid according to claim 5, characterized in that: said A step 2) is carried out according to the requirements of the national Standard GB/T10739-2002 Standard atmospheric conditions for the treatment and testing of paper, cardboard and pulp samples.
9. The method for testing the effect of a glazing liquid according to claim 5, characterized in that: the step A) is carried out according to the specified requirements of the national standard GB/T8941-2013 'determination of specular gloss of paper and paperboard'.
10. The method for testing the effect of a glazing liquid according to claim 5, characterized in that: and the B flame-retardant effect test is carried out according to the specified requirements of the national standard GB/T14656-93 flame-retardant paper and paperboard combustion performance test method.
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Application publication date: 20200410 |