CN110904731A - Production process of impregnated bond paper capable of purifying formaldehyde - Google Patents
Production process of impregnated bond paper capable of purifying formaldehyde Download PDFInfo
- Publication number
- CN110904731A CN110904731A CN201911025240.6A CN201911025240A CN110904731A CN 110904731 A CN110904731 A CN 110904731A CN 201911025240 A CN201911025240 A CN 201911025240A CN 110904731 A CN110904731 A CN 110904731A
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- CN
- China
- Prior art keywords
- formaldehyde
- impregnated bond
- glue
- bond paper
- mixing
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Classifications
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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
-
- 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
A production process of impregnated bond paper capable of purifying formaldehyde is characterized in that in the production process of a paint-free ecological board, a scientific wood veneer and melamine impregnated bond paper used by the production process 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 formaldehyde release amount is easily caused, and certain adverse effects are caused on the health of consumers. The invention discovers that a certain proportion of German Ryansun is respectively added into urea-formaldehyde resin and melamine resin before impregnation®The biological formaldehyde-purifying factor can effectively control the formaldehyde release amount of the impregnated bond paper and the paint-free ecological plate, ensure that the formaldehyde release amount of the ecological plate is far lower than the national standard, and can adsorb free formaldehyde in the air.
Description
Technical Field
The invention relates to the technical field of decoration and building materials, in particular to a production process of impregnated bond paper capable of purifying formaldehyde.
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, and certain adverse effects are caused on the health of consumers.
Disclosure of Invention
The invention aims to provide a production process of impregnated bond paper capable of purifying formaldehyde, which has the formaldehyde content far lower than the national standard, has the formaldehyde purification function, can adsorb formaldehyde released from a paint-free ecological board, ensures that the formaldehyde release amount of the 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 provides the following technical scheme:
1) and selecting qualified base paper.
2) Preparing glue: respectively producing melamine resin and urea resin; 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 ℃; 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 ℃.
3) Glue mixing: mixing the prepared urea-formaldehyde resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a first mixing tank according to the proportion of 10: 1; mixing the prepared melamine resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a second mixing tank according to the proportion of 10: 1; and respectively conveying the mixed glue to the first glue groove and the second glue groove.
4) And (3) impregnating the raw paper with urea-formaldehyde resin through a first glue groove, drying and cooling, impregnating melamine resin through a second glue groove, drying and cooling to finish the impregnation process.
5) And cooling the impregnated base paper to room temperature, shearing and stacking.
The invention discovers that a certain proportion of German Ryansun is respectively added into urea-formaldehyde resin and melamine resin before impregnation®The biological formaldehyde-purifying factor can effectively control the formaldehyde release amount of the impregnated bond paper and the paint-free ecological plate, ensure that the formaldehyde release amount of the ecological plate is far lower than the national standard, and can adsorb free formaldehyde in the air.
Detailed Description
1) And selecting qualified base paper.
The base paper has the size of 1240mm-2460mm (the positive deviation is required to be 0-20mm, the difference of two diagonal lines is less than or equal to 20mm), the weight is 80-120g/m2, the PH value is 6.8-7.2, and the water content is 3% -3.8%.
2) Preparing glue: respectively producing melamine resin and urea resin; 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 ℃; 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 ℃.
3) Glue mixing: mixing the prepared urea-formaldehyde resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a first mixing tank according to the proportion of 10: 1; mixing the prepared melamine resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a second mixing tank according to the proportion of 10: 1; and respectively conveying the mixed glue to the first glue groove and the second glue groove.
Respectively adding a curing agent, a release agent and a penetrating agent into the second mixing cylinder according to the weight parts of 100:0.08, 100:0.03 and 100: 0.03.
4) And (3) impregnating the raw paper with urea-formaldehyde resin through a first glue groove, drying and cooling, impregnating melamine resin through a second glue groove, drying and cooling to finish the impregnation process.
The paper dipping speed is 12-15m/s, the temperature of primary drying is 110 ℃, and the temperature of secondary drying 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%.
5) 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.
Claims (4)
1. The production process of the impregnated bond paper capable of purifying formaldehyde is characterized by comprising the following steps: 1) selecting qualified raw paper; 2) preparing glue: respectively producing melamine resin and urea resin; 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 ℃; urea-formaldehyde treeThe solid content of the grease is 40-43 percent, the curing temperature is 135-145 ℃, and the viscosity is 12-14 at 20 ℃; 3) glue mixing: mixing the prepared urea-formaldehyde resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a first mixing tank according to the proportion of 10: 1; mixing the prepared melamine resin with Ryansunun, Laien Germany®Putting the biological aldehyde-cleaning factor into a second mixing tank according to the proportion of 10: 1; conveying the mixed glue to a first glue groove and a second glue groove respectively; 4) impregnating the raw paper with urea-formaldehyde resin through a first glue tank, drying and cooling, then impregnating melamine resin through a second glue tank, drying and cooling to finish the impregnation process; 5) and cooling the impregnated base paper to room temperature, shearing and stacking.
2. The process for producing impregnated bond paper capable of purifying formaldehyde according to claim 1, wherein the process comprises the following steps: step 1), the selected raw paper has the size of 1240mm-2460mm (the positive deviation is required to be 0-20mm, the difference of two diagonal lines is less than or equal to 20mm), the weight is 80-120g/m2, the PH value is 6.8-7.2, and the water content is 3% -3.8%.
3. The process for producing impregnated bond paper capable of purifying formaldehyde according to claim 1, wherein the process comprises the following steps: and 3) respectively adding a curing agent, a release agent and a penetrating agent into a second mixing cylinder according to the weight parts of 100:0.08, 100:0.03 and 100: 0.03.
4. The process for producing impregnated bond paper capable of purifying formaldehyde according to claim 1, wherein the process comprises the following steps: step 4), the paper soaking speed is 12-15m/s, the primary drying temperature is 110 ℃, and the secondary 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%.
Priority Applications (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 |
| CN202011135733.8A CN112252083A (en) | 2019-10-25 | 2020-10-22 | Impregnated bond paper capable of purifying formaldehyde and production method thereof |
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110904731A true CN110904731A (en) | 2020-03-24 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011135733.8A Pending CN112252083A (en) | 2019-10-25 | 2020-10-22 | Impregnated bond paper capable of purifying formaldehyde and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110904731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464739A (en) * | 2022-09-13 | 2022-12-13 | 德华兔宝宝装饰新材股份有限公司 | Preparation process of formaldehyde-purified impregnated bond paper laminated wood floor |
-
2019
- 2019-10-25 CN CN201911025240.6A patent/CN110904731A/en active Pending
-
2020
- 2020-10-22 CN CN202011135733.8A patent/CN112252083A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464739A (en) * | 2022-09-13 | 2022-12-13 | 德华兔宝宝装饰新材股份有限公司 | Preparation process of formaldehyde-purified impregnated bond paper laminated wood floor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112252083A (en) | 2021-01-22 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200324 |