CN112252083A - Impregnated bond paper capable of purifying formaldehyde and production method thereof - Google Patents
Impregnated bond paper capable of purifying formaldehyde and production method thereof Download PDFInfo
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- CN112252083A CN112252083A CN202011135733.8A CN202011135733A CN112252083A CN 112252083 A CN112252083 A CN 112252083A CN 202011135733 A CN202011135733 A CN 202011135733A CN 112252083 A CN112252083 A CN 112252083A
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- formaldehyde
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- impregnated bond
- production method
- bond paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The impregnated bond paper capable of purifying formaldehyde and the production method thereof are characterized in that urea formaldehyde resin and melamine resin are required to be impregnated in the production process of the impregnated bond paper, the production process of the adhesive contains a large amount of formaldehyde, and after building materials such as ecological plates and the like are produced, the excessive release amount of formaldehyde is easily caused, and certain adverse effects are caused on the health of consumers. According to the invention, German ryan Ryansunun biological clean aldehyde factors with a certain proportion are respectively added into urea resin and melamine resin before impregnation, so that the formaldehyde release amount of the impregnated adhesive film paper can be effectively controlled, the formaldehyde release amount of building materials such as an ecological plate is ensured to be far lower than the national standard, and free formaldehyde in the building materials and air can be adsorbed.
Description
Technical Field
The invention relates to the technical field of decoration and building materials, in particular to impregnated bond paper capable of purifying formaldehyde and a production method thereof.
Background
The paint-free ecological board (also called paint-free board or ecological board) is formed by hot-press gluing melamine impregnated paper and an artificial board substrate, has the characteristics of rich design and color, beautiful surface, convenient construction, scratch resistance, wear resistance and the like, and simultaneously, the substrate is multilayer solid wood (plywood), a laminated wood board (such as malachite, fir, tung wood, poplar and the like), is very close to the solid wood, but has the price far lower than the solid wood, thereby becoming a preferred building material for consumers and being widely applied to the manufacture of various furniture such as cabinets, bathroom cabinets, television cabinets, shoe cabinets and the like in home decoration.
In the production process of the paint-free ecological board, the scientific and technological veneer and the melamine impregnated bond paper used by the paint-free ecological board contain formaldehyde, a large amount of adhesive containing formaldehyde is used in the process of adhering various materials, and after various factors are superposed, the excessive release amount of the formaldehyde is easily caused, so that the harm is caused to the health of consumers.
The biological aldehyde-cleaning factor is prepared by taking active biological protein, starch, tea leaves and the like as raw materials, adopting a biological enzyme technology, adding a super-strong permeation formula and a special process, can quickly neutralize and react with harmful substances such as formaldehyde and the like in materials containing pollutants, is nontoxic and harmless, has neutral pH value, and has unique adsorption and removal capacity on harmful gases such as formaldehyde, toluene, xylene, VOC and the like. The technology carries out biological capture on formaldehyde molecules, and generates chemical reaction after adsorbing outside free formaldehyde so as to eliminate the formaldehyde.
Disclosure of Invention
The purpose of the invention is as follows: the impregnated bond paper produced by the method has the formaldehyde content far lower than the national standard, also has the formaldehyde purification function, can adsorb formaldehyde released from a paint-free ecological board, ensures that the formaldehyde release amount of the paint-free ecological board is far lower than the national standard, and can adsorb free formaldehyde in air to play a role in purifying air.
The invention relates to a production method of impregnated bond paper capable of purifying formaldehyde, which comprises the following steps:
mixing glue, namely uniformly mixing the prepared urea-formaldehyde resin with German Laiyin Ryansunun biological clean aldehyde factors according to the weight ratio of 10:1-1.5, conveying the mixture to a first glue tank, and uniformly mixing the prepared melamine resin with the German Laiyin Ryansunun biological clean aldehyde factors according to the weight ratio of 10:1-1.5, and conveying the mixture to a second glue tank;
fourthly, impregnating the raw paper with urea-formaldehyde resin through a first glue groove, and then drying and cooling;
fifthly, dipping the dipped adhesive film paper after the step IV into melamine resin through a second adhesive tank, and then drying and cooling to finish the dipping process;
sixthly, cooling the impregnated bond paper to room temperature, shearing and stacking.
Preferably, step (ii)
The selected base paper has a size of 1240mm-2460mm (positive deviation is required to be 0-20mm, and the difference between two diagonal lines is less than or equal to 10mm), and a weight of 80-120g/m2 The pH value is 6.8-7.2, and the water content is 3% -3.8%.
Preferably, step (ii)
The solid content of melamine resin is 55-58%, the curing temperature is 135-145 ℃, the viscosity at 20 ℃ is 18-20, the solid content of urea resin is 40-43%, the curing temperature is 135-145 ℃, and the viscosity at 20 ℃ is 12-14.
Preferably, the curing agent, the release agent and the penetrating agent are added into the second glue groove according to the weight parts of 100:0.08, 100:0.03 and 100:0.03 respectively and are mixed uniformly.
Preferably, the paper dipping speed in the step (IV) is 12-15m/s, the drying temperature is 110 ℃, the dipping amount is 130-150% of the base paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%.
Preferably, the paper dipping speed is 12-15m/s, the drying temperature is 130 ℃, the dipping amount is 130-150% of the base paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%.
Advantageous effects
The invention achieves the following beneficial effects: the biological formaldehyde-purifying factor has a powerful formaldehyde-purifying function and is respectively mixed with urea-formaldehyde resin and melamine resin, and the beneficial effects of the impregnated bond paper capable of purifying formaldehyde produced by the method are reflected in three aspects, namely firstly, the impregnated bond paper produced by the method can effectively control the formaldehyde release amount of the impregnated bond paper, and the formaldehyde release amount is lower than 0.25mg/L and far lower than the national standard of 1.5mg/L of formaldehyde release limit value; secondly, the formaldehyde emission of the impregnated bond paper produced by the method is far lower than the national standard, and the impregnated bond paper has the formaldehyde purification function, and the formaldehyde purification performance exceeds 90%; thirdly, the impregnated bond paper produced by the method has the aldehyde cleaning function, and the durability of the purifying effect exceeds 85 percent and is higher than the requirement of the industry standard.
Detailed Description
Through long-term research and test, the applicant produces the impregnated bond paper capable of purifying formaldehyde according to the following specific implementation mode and test process:
example 1
Firstly, selecting qualified base paper, wherein the size of the base paper is 1240mm-2460mm, the positive deviation is required to be 0-20mm, the difference of two diagonal lines is less than or equal to 10mm, and the weight is 80-120g/m2The pH value is 6.8-7.2, and the water content is 3% -3.8%; then melamine resin and urea-formaldehyde resin are prepared, the solid content of the melamine resin is 55-58%, the curing temperature is 135-145 ℃, the viscosity at 20 ℃ is 18-20, the solid content of the urea-formaldehyde resin is 40-43%, the curing temperature is 135-145 ℃, and the viscosity at 20 ℃ is 12-14. Mixing the glue, and inputting the prepared urea-formaldehyde resin and German ryan Ryansunun biological clean aldehyde factors into a first glue groove according to the proportion of 10: 1; inputting the prepared melamine resin and the biological clean aldehyde factors of Laiyin Ryansunun Germany into a second glue groove according to the proportion of 10:1, and then respectively adding a curing agent, a release agent and a penetrating agent into the second glue groove according to the weight parts of 100:0.08, 100:0.03 and uniformly mixing. Impregnating, namely impregnating the raw paper with urea-formaldehyde resin through a first glue groove, drying and cooling, wherein the paper impregnation speed is 12-15m/s, the drying temperature is 110 ℃, the impregnation amount is 130-150% of the raw paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%; then passes through a second glue grooveDipping melamine resin, drying and cooling, wherein the paper dipping speed is 12-15m/s, the drying temperature is 130 ℃, the dipping amount is 130-150% of the base paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%, thus finishing the dipping process. And cooling the impregnated base paper to room temperature, shearing and stacking. The finished product is wrapped by plastic film to avoid moisture absorption and adhesion, about 1500 sheets are stacked in each pile, the pile is stored at the temperature of 10-30 ℃, the relative humidity is 55% -65%, and the validity period is three months.
Example 2
On the basis of the embodiment, inputting urea-formaldehyde resin and German ryan Ryansunun biological clean aldehyde factors into a first rubber groove according to the proportion of 10: 1; inputting the melamine resin and German Laine Ryansunn biological clean aldehyde factors into a second rubber groove according to the proportion of 10: 1.5.
Example 3
On the basis of the above embodiment, the urea-formaldehyde resin and German ryan Ryansunun biological clean aldehyde factors are input into a first rubber groove according to the proportion of 10: 1.5; inputting the melamine resin and German Laine Ryansunn biological clean aldehyde factors into a second rubber groove according to the proportion of 10:1.
Example 4
On the basis of the above embodiment, the urea-formaldehyde resin and German ryan Ryansunun biological clean aldehyde factors are input into a first rubber groove according to the proportion of 10: 1.5; inputting the melamine resin and German Laine Ryansunn biological clean aldehyde factors into a second rubber groove according to the proportion of 10: 1.5.
The formaldehyde emission amount, the formaldehyde purification performance and the formaldehyde purification effect durability of the impregnated bond paper capable of purifying formaldehyde in the above examples 1 to 4 were measured and compared, and the results are shown in table 1:
table 1: formaldehyde emission amount of impregnated bond paper
The formaldehyde emission experiment step:
1. taking 10 impregnated bond paper test pieces with the length of 150mm and the width of 50mm, added with German ryan Ryansunun biological clean aldehyde factors, suspending the test pieces into a 170 ℃ blast drying box for treatment for 15 minutes, then putting the test pieces into a dryer, placing the dryer into an environment with the room temperature of 20-25 ℃ for cooling for 1 hour, and recording the test pieces as sample pieces; taking 10 common melamine impregnated adhesive film paper test pieces which are not added with German Ryansun biological clean aldehyde factors, carrying out the same treatment, and recording the test pieces as comparison test pieces;
2. detecting according to a dryer method which is a 4.59 formaldehyde release amount measurement method in a GB/T17657 and 2013 artificial board and a veneer artificial board physical and chemical property test method;
3. the sample test pieces and the comparative test pieces in examples 1 to 4 were tested, respectively, to obtain test results.
Table 2: formaldehyde purifying performance and lasting purifying effect
The experimental steps of the formaldehyde purification performance are as follows:
1. taking 4 impregnated bond paper test pieces with the length of 50mm and the width of 50mm and added with German ryan Ryansunun biological clean aldehyde factors, suspending the test pieces into a 170 ℃ blast drying box for treatment for 15 minutes, then putting the test pieces into a dryer, placing the test pieces into an environment with the room temperature of 20-25 ℃ for cooling for 1 hour, and recording the test pieces as sample test pieces; taking 4 glass plates with the same size and recording the glass plates as comparison test pieces;
2. the sample test piece and the comparative test piece are respectively put in 1m3The sample chamber and the comparison chamber are respectively injected with 3 mul of analytically pure formaldehyde solution;
3. sealing for 1 hour without starting the fluorescent lamp, collecting and comparing gas in the chamber, testing the concentration of formaldehyde, and recording as N0;
4. Collecting gas in the sample chamber and the test chamber after 24 hours, testing the concentration of formaldehyde, and recording the concentration as N1、N1 1;
5. The concentration of formaldehyde is tested according to AHMT spectrophotometry;
6. the formaldehyde purification efficiency R is calculated as follows:
R=(N1-N1 1)/N1×100%
the method comprises the following steps of:
1. taking 4 impregnated bond paper test pieces with the length of 50mm and the width of 50mm and added with German ryan Ryansunun biological clean aldehyde factors, suspending the test pieces into a 170 ℃ blast drying box for treatment for 15 minutes, then putting the test pieces into a dryer, placing the test pieces into an environment with the room temperature of 20-25 ℃ for cooling for 1 hour, and recording the test pieces as sample test pieces;
2. putting the sample test piece into a sample cabin, and adding an analytically pure formaldehyde solution every day on time for 4 days;
3. taking out a sample specimen on the 5 th day, and standing for 1 hour under the conditions of the temperature of 20 ℃ and the relative humidity of 50%;
4. and (3) testing the sample test piece according to 2-6 of the formaldehyde purification performance test steps, and calculating the durability of the formaldehyde purification effect.
Claims (7)
1. Impregnated bond paper capable of purifying formaldehyde and a production method thereof; the method is characterized in that: the method comprises the following steps:
thirdly, glue mixing: uniformly mixing the prepared urea-formaldehyde resin and the biological formaldehyde-purifying factor according to the weight ratio of 10:1-1.5, conveying the mixture to a first glue tank, uniformly mixing the prepared melamine resin and the biological formaldehyde-purifying factor according to the weight ratio of 10:1-1.5, and conveying the mixture to a second glue tank;
fourthly, impregnating the raw paper with urea-formaldehyde resin through a first glue groove, and then drying and cooling;
fifthly, dipping the dipped adhesive film paper after the step IV into melamine resin through a second adhesive tank, and then drying and cooling to finish the dipping process;
sixthly, cooling the impregnated bond paper to room temperature, shearing and stacking.
2. The impregnated bond paper capable of purifying formaldehyde and the production method thereof according to claim 1 are characterized in that: step (ii) of
The selected base paper has a size of 1240mm-2460mm (positive deviation is required to be 0-20mm, and the difference between two diagonal lines is less than or equal to 10mm), and a weight of 80-120g/m2 The pH value is 6.8-7.2, and the water content is 3% -3.8%.
3. The impregnated bond paper capable of purifying formaldehyde and the production method thereof according to claim 1 are characterized in that: step (ii) of
The solid content of the urea-formaldehyde resin is 40-43 percent, the curing temperature is 135-145 ℃, and the viscosity is 12-14 at 20 ℃; the solid content of the melamine resin is 55-58 percent, the curing temperature is 135-145 ℃, and the viscosity is 18-20 at 20 ℃.
4. The impregnated bond paper capable of purifying formaldehyde and the production method thereof according to claim 1 are characterized in that: and step three, respectively adding a curing agent, a release agent and a penetrating agent into the second glue groove according to the weight parts of 100:0.08, 100:0.03 and 100:0.03, and uniformly mixing.
5. The impregnated bond paper capable of purifying formaldehyde and the production method thereof according to claim 1 are characterized in that: the paper dipping speed is 12-15m/s, the drying temperature is 110 ℃, the dipping amount is 130-150% of the base paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%.
6. The impregnated bond paper capable of purifying formaldehyde and the production method thereof according to claim 1 are characterized in that: step five, the paper soaking speed is 12-15m/s, and the drying temperature is 130 ℃; the impregnation amount is 130-150% of the base paper, the volatile matter is 5-8%, and the pre-curing degree is 60-70%.
7. Impregnated bond paper capable of purifying formaldehyde produced by the production method according to claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025240.6A CN110904731A (en) | 2019-10-25 | 2019-10-25 | Production process of impregnated bond paper capable of purifying formaldehyde |
| CN2019110252406 | 2019-10-25 |
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| Publication Number | Publication Date |
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| CN112252083A true CN112252083A (en) | 2021-01-22 |
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| CN201911025240.6A Pending CN110904731A (en) | 2019-10-25 | 2019-10-25 | Production process of impregnated bond paper capable of purifying formaldehyde |
| CN202011135733.8A Pending CN112252083A (en) | 2019-10-25 | 2020-10-22 | Impregnated bond paper capable of purifying formaldehyde and production method thereof |
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| CN115464739B (en) * | 2022-09-13 | 2023-08-29 | 德华兔宝宝装饰新材股份有限公司 | Preparation process of formaldehyde purification impregnated adhesive film paper laminated wood floor |
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- 2019-10-25 CN CN201911025240.6A patent/CN110904731A/en active Pending
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Application publication date: 20210122 |
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