CN214504117U - Multilayer blueprint paper - Google Patents
Multilayer blueprint paper Download PDFInfo
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- CN214504117U CN214504117U CN202120325304.0U CN202120325304U CN214504117U CN 214504117 U CN214504117 U CN 214504117U CN 202120325304 U CN202120325304 U CN 202120325304U CN 214504117 U CN214504117 U CN 214504117U
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Abstract
The utility model provides a multilayer blue drawing paper, including the paper base, the two sides of paper base are equipped with waterproof coating respectively, be equipped with the color development coating between paper base and at least one waterproof coating, be provided with heat-sensitive microcapsule in the color development coating. The utility model discloses the blueprint paper that makes, it chooses for use the heat-sensitive microcapsule to carry out the colour development, and the shell protection of heat-sensitive microcapsule itself wherein encapsulating material does not receive the influence of environment, strengthens its waterproof, light fast, heat resistance. The utility model discloses the blueprint paper that makes does not exist in its raw materials and causes amazing material to human body and environment, and the staff who no matter prepares blueprint paper or use blueprint paper can not be because of its production health problem, and is friendly to the environment simultaneously, is fit for large-scale production and uses.
Description
Technical Field
The utility model relates to an engineering design field of drawing, concretely relates to multilayer blueprint paper.
Background
Blueprint paper is commonly called blue paper, is a chemical coating processing paper, is specially used for various engineering designs and machine-made blueprints, and is an essential article for production, scientific research and construction. However, the traditional blueprint paper turns yellow and fades after being used for a long time, is blurred when being wetted in the using process and is not easy to store for a long time; in addition, the odor of ammonia gas or developing solution discharged in the blueprinting process seriously pollutes the environment and influences the occupational health of practitioners. Therefore, the blue drawing of the traditional diazonium salt is gradually abandoned, a computer data file is directly printed into a picture by a printer, and the trend of the current era is to replace the traditional blue drawing by digitally printing the blue drawing. However, the surface roughness of the common printing paper is difficult to meet the requirement of the fineness of the engineering drawing printing, and the printing paper is also easy to damp and difficult to store.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in the heat-proof resistant irradiant problem of current blueprint paper to a multilayer blueprint paper is provided.
Therefore, the utility model adopts the following technical scheme:
the utility model provides a multilayer blue drawing paper, including the paper base, the two sides of paper base are equipped with waterproof coating respectively, be equipped with the color development coating between paper base and at least one waterproof coating, be provided with the heat-sensitive microcapsule in the color development coating, contain temperature-sensitive dye, colour developing agent in the heat-sensitive microcapsule.
Further, the color developing coating layer comprises a filler and heat-sensitive microcapsules embedded in the filler.
Further, the particle size of the heat-sensitive microcapsule is 0.5-1 μm;
6.78X 10 are uniformly distributed in the color developing coating layer per square meter13-6.62×1014A heat-sensitive microcapsule.
Further, the thickness of the paper base is 60-75 μm, the thickness of the waterproof coating is 1-5 μm, and the thickness of the color development coating is 1-5 μm.
Further, the waterproof coating is made of calcium carbonate and styrene-acrylic latex emulsion.
The utility model discloses technical scheme has following advantage:
1. the utility model discloses the blueprint paper that makes, it chooses for use the heat-sensitive microcapsule to carry out the colour development, and the shell protection of heat-sensitive microcapsule itself wherein encapsulating material does not receive the influence of environment, strengthens its waterproof, light fast, heat resistance.
2. The method controls the distribution and the quantity of the heat-sensitive microcapsules in the color development coating, so that the obtained blueprint paper is uniform and stable in color development, and the cost is avoided from being too high under the condition of ensuring the performance of the blueprint paper.
3. The utility model provides a waterproof coating can show and improve water-proof effects, prevents that blueprint paper from weing and damaging.
4. The utility model discloses the blueprint paper that makes does not exist in its raw materials and causes amazing material to human body and environment, and the staff who no matter prepares blueprint paper or use blueprint paper can not be because of its production health problem, and is friendly to the environment simultaneously, is fit for large-scale production and uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a blueprint paper manufactured in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a blueprint paper manufactured in embodiment 2 of the present invention.
Reference numerals:
1-paper base; 2-developing a color coating; 3-waterproof coating.
Detailed Description
The following examples are provided for better understanding of the present invention, and are not limited to the best mode, and do not limit the scope and content of the present invention, and any product that is the same or similar to the present invention, which is obtained by combining the features of the present invention with other prior art or the present invention, falls within the scope of the present invention.
The specific experimental procedures or conditions are not shown in the examples, and the procedures or conditions of the conventional experimental procedures described in the literature in the field can be performed, and all the reagents are commercially available standard reagents.
The following specific examples are further illustrative of the present invention, and the examples do not exemplify all the embodiments of the present invention, and only some of the embodiments are described as examples, and the specific examples are as follows:
example 1
The embodiment provides a multilayer blue drawing paper, as shown in fig. 1, including paper base 1, the two sides of paper base 1 are equipped with waterproof coating 3 respectively, be equipped with the colour development coating 2 between paper base 1 and one of them waterproof coating 3, use the fixed heat-sensitive microcapsule of filler in the colour development coating 2, contain temperature-sensitive dye, colour development agent in the heat-sensitive microcapsule.
Wherein the particle size of the heat-sensitive microcapsule is 0.5-1 μm, and the coating weight is as follows: 0.045g/m2。
The thickness of the paper base 1 is 75 micrometers, the thickness of the waterproof coating 3 is 3 micrometers, and the thickness of the color development coating 2 is 5 micrometers.
The waterproof coating 3 is made of calcium carbonate and styrene-acrylic latex emulsion.
The preparation method of the multilayer blue printing paper comprises the following specific steps:
1. the heat-sensitive microcapsules used in example 1 were first prepared:
(1) in a 500ml flask equipped with a mechanical stirrer, 120ml of N, N-Dimethylformamide (DMF), 0.03mol of hexafluorobutyl acrylate (HFBA), 0.05mol of N-Butyl Acrylate (BA) and 0.02mol of Glycidyl Methacrylate (GMA) were added, mixed with stirring, heated to 80 ℃ and slowly added dropwise with 2 wt% of a total solution of 2, 2-azobis (2-methylpropionitrile) initiator and 2 wt% of a total solution of 2, 4-diphenyl-4-methyl-1-pentene chain transfer agent; raising the temperature to 90 ℃, continuing stirring, and tracking the reaction end point through infrared spectroscopy; after the reaction is finished, washing with petroleum ether to remove residual monomers and impurities of the copolymer precipitate, and drying overnight in vacuum at 40 ℃ to obtain transparent viscous liquid, namely the fluorine-containing acrylate prepolymer;
(2) crystal Violet Lactone (CVL), bisphenol a (bpa), tetradecanol and deionized water were mixed in a molar ratio of 1: 4: 9: 1, adding the mixture into an emulsifying machine, dropwise adding an emulsifying agent styrene-maleic anhydride copolymer (SMA) at the temperature of 50 ℃ and the rotating speed of 8000rpm, and violently stirring for 10 minutes. Adjusting the pH value to 4 by using citric acid to obtain capsule core emulsion;
(3) in a 500ml flask equipped with a mechanical stirrer, 20 g of a fluoroacrylate prepolymer and 30g of a core emulsion were added, mixed, and 0.5 wt% of a Sodium Dodecylbenzenesulfonate (SDBS) oil-water emulsion was added, and the mixture was heated to 50 ℃ and stirred at 700rpm for 40 minutes. The mixture was adjusted to pH 3 using dilute sulfuric acid, the reaction temperature was raised to 100 ℃, and stirring was continued for 2 hours for encapsulation. Distilled water was added at the same stirring speed and temperature, and reacted for 2 hours to harden the shell of the heat-sensitive microcapsule and adjust its size. Filtering, washing with acetone, and drying in a vacuum oven at 50 ℃ for 24 hours to obtain the fluorine-containing heat-sensitive microcapsule;
2. selecting a paper base: selecting a coating base paper which can meet the coating processing requirement of a thermal printing engineering blue drawing as a base material, and using a thermal paper base paper produced by Zhejiang Huaqian paper industry Co., Ltd, wherein the specification is 75g/m2；
3. Preparing a color development coating: adding 12g of calcium carbonate into 80g of deionized water, dispersing for 10 minutes by using a dispersion machine, adding 0.5g of polyvinyl alcohol and 0.1g of heat-sensitive microcapsules, and continuously dispersing for 25 minutes to obtain a color development coating;
4. coating a color development coating: coating one surface of the paper base with the prepared color development coating, controlling the absolute drying amount of coating to be 3-4 g/m, drying and shaping in hot air at the temperature of 85 ℃, and controlling the moisture of the finished paper to be 6-8 wt%;
5. coating a waterproof coating: fully mixing 30g of calcium carbonate and 70g of styrene-acrylic latex emulsion to prepare a waterproof coating paint, coating the waterproof coating paint on a color development coating, controlling the absolute drying amount of coating to be 2-3 g/m, drying and shaping in hot air at the temperature of 60 ℃ to control the moisture of finished paper to be 6-8 wt%, then coating the waterproof coating paint on a paper base, controlling the absolute drying amount of coating to be 2-3 g/m, drying and shaping in hot air at the temperature of 60 ℃ to control the moisture of the finished paper to be 6-8 wt%;
6. and cutting and re-rolling the processed blueprint paper into a specification and a size suitable for the requirement of the engineering drawing thermal printer to obtain a finally required multilayer blueprint paper product, wherein the structure of the product is shown in figure 1.
Example 2
This embodiment provides a multilayer blue drawing paper, as shown in fig. 2, including paper base 1, the two sides of paper base 1 are equipped with waterproof coating 3 respectively, all be equipped with developing coating 2 between paper base 1 and two waterproof coating 3, use the fixed heat sensitive microcapsule of filler in developing coating 2, contain temperature sensing dyestuff, colour developing agent in the heat sensitive microcapsule.
Wherein the particle size of the heat-sensitive microcapsule is 0.5-1 μm.
The thickness of the paper base 1 is 75 micrometers, the thickness of the waterproof coating 3 is 3 micrometers, and the thickness of the color development coating 2 is 5 micrometers.
The waterproof coating 3 is made of calcium carbonate and styrene-acrylic latex emulsion.
The preparation method of the multilayer blue printing paper comprises the following specific steps:
1. selecting heat-sensitive microcapsules: example 2 the heat-sensitive microcapsules used were obtained from a heat-sensitive photochromic microcapsule material synthesized in the patent CN100389968C of the company nalyje;
2. selecting a paper base: selecting a coating base paper which can meet the coating processing requirement of a thermal printing engineering blue drawing as a base material, and using a thermal paper base paper produced by Zhejiang Huaqian paper industry Co., Ltd, wherein the specification is 75g/m2；
3. Preparing a color development coating: adding 12g of calcium carbonate into 80g of deionized water, dispersing for 10 minutes by using a dispersion machine, adding 0.5g of polyvinyl alcohol and 0.1g of heat-sensitive microcapsules, and continuously dispersing for 25 minutes to obtain a color development coating;
4. coating a color development coating: coating the two sides of the paper base with the prepared color developing coating, controlling the absolute coating amount to be 3-4 g/m, drying and shaping in hot air at the temperature of 85 ℃, and controlling the water content of the finished paper to be 6-8 wt%;
5. coating a waterproof coating: fully mixing 30g of calcium carbonate and 70g of styrene-acrylic latex emulsion to prepare a waterproof coating, sequentially coating the waterproof coating on two color development coatings, controlling the absolute dry weight of the coating to be 2-3 g/per square meter, and drying and shaping the coating in hot air at the temperature of 60 ℃ to control the moisture of finished paper to be 6-8 wt%;
6. and cutting and re-rolling the processed blueprint paper into a specification and a size suitable for the requirement of the engineering drawing thermal printer to obtain a finally required multilayer blueprint paper product, wherein the structure of the product is shown in figure 2.
Comparative example 1
Blue paper (A3) is produced by commercially available technology Limited in Yanzhong Xinzhong.
Test example 1
The paper samples of examples 1-2 and comparative example 1 after color development printed by a thermal printer were analyzed for printing effect, water resistance, bending resistance and the like according to the method provided in national standard QB/T2205-:
TABLE 1 print effect, water resistance and bending resistance of the patterns of examples 1-2 and comparative example 1
As can be seen from the above table 1, the utility model discloses the blueprint paper quality of production reaches the blueprint paper process requirement of selling on the market, and its resistant degree of rolling over has great improvement with the crimpness degree simultaneously, because have good water proofness, toughness and planarization behind the phenylpropyl emulsion in the waterproof coating and the calcium carbonate film forming
Test example 2
The blueprints of examples 1-2 and comparative example 1 were printed by a thermal printer to develop color and were simulated in a sunlight environment at room temperature under an ultraviolet lamp, and the light and heat resistance was analyzed as shown in table 2:
TABLE 2 lightfastness and heat resistance of the paper patterns of examples 1-2 and comparative example 1
Can see from last table 2, the utility model discloses the blueprint paper of production adopts the heat-sensitive microcapsule to be used for the color development, has better resistant illumination heat resistance, and the commercial blueprint paper of comparing is difficult for taking place ageing yellow stain, does benefit to the save, and it is less to deposit the paper change for a long time.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (4)
1. The multilayer blue printing paper comprises a paper base, wherein two sides of the paper base are respectively provided with a waterproof coating, and the multilayer blue printing paper is characterized in that a color development coating is arranged between the paper base and at least one waterproof coating, and heat-sensitive microcapsules are arranged in the color development coating.
2. The multilayer blueprint sheet of claim 1, wherein the color-developing coating comprises a filler and heat-sensitive microcapsules embedded in the filler.
3. The multilayer blueprint sheet according to claim 2, wherein the heat-sensitive microcapsules have a particle size of 0.5-1 μm.
4. The multilayer blueprint paper according to claim 3, wherein the thickness of the paper base is 60-75 μm, the thickness of the waterproof coating is 1-5 μm, and the thickness of the color developing coating is 1-5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325304.0U CN214504117U (en) | 2021-02-04 | 2021-02-04 | Multilayer blueprint paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325304.0U CN214504117U (en) | 2021-02-04 | 2021-02-04 | Multilayer blueprint paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214504117U true CN214504117U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120325304.0U Active CN214504117U (en) | 2021-02-04 | 2021-02-04 | Multilayer blueprint paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214504117U (en) |
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2021
- 2021-02-04 CN CN202120325304.0U patent/CN214504117U/en active Active
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Address after: 215129 building 22, No. 369, Lushan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Huqiu image (Suzhou) Co.,Ltd. Address before: 215129 building 22, No. 369, Lushan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: HUQIU IMAGING TECHNOLOGIES (SUZHOU) CO.,LTD. |