CN108035197B - Aromatic wallpaper base paper and preparation method thereof - Google Patents
Aromatic wallpaper base paper and preparation method thereof Download PDFInfo
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- CN108035197B CN108035197B CN201711396448.XA CN201711396448A CN108035197B CN 108035197 B CN108035197 B CN 108035197B CN 201711396448 A CN201711396448 A CN 201711396448A CN 108035197 B CN108035197 B CN 108035197B
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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
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
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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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
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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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
An aromatic wallpaper base paper and a preparation method thereof, belonging to the field of wallpaper preparation. The composition is prepared from the following components in parts by weight: 75-90 parts of wood pulp fiber, 0.015-0.6 part of aromatic, 0.005-0.3 part of dispersing agent, 0.005-0.1 part of penetrating agent, 0.1-2 parts of PVA and 8-22 parts of acrylic latex, wherein the dispersing agent is polycarboxylic acid ammonium salt, and the penetrating agent is a mixture of fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene ether; the aromatic agent is uniformly dispersed in the wallpaper structure through the interaction of the essence or the microcapsule with different aromatic odor, the penetrating agent and the dispersing agent, meanwhile, the coating layer is added on the outer surface of the wallpaper, so that the aromatic agent can be kept in the wallpaper, and the fragrance release speed is effectively slowed down.
Description
Technical Field
An aromatic wallpaper base paper and a preparation method thereof, belonging to the field of wallpaper preparation.
Background
Along with the continuous improvement of living standard of people, people also have higher and higher requirements on the functionality of decorative materials, the aromatic wallpaper can emit aromatic odor, an aromatic environment is provided for people, the mind and body of people can be relaxed in the environment, the mood is pleasant, and the working efficiency or the life quality can be greatly improved.
The existing fragrant wallpaper is mostly late-stage fragrant wallpaper prepared by a method of coating a fragrance layer and the like in a late stage, for example, nanometer microcapsules are directly sprayed on a printing layer or the fragrance layer is arranged on the printing layer, the fragrance layer is mostly made of fibers with fragrant smell, the fragrance of the wallpaper stays on the surface of the wallpaper and does not enter the interior of a wallpaper structure, the fragrance duration is short, the fragrant smell is lost for several months, and the effect of durable use cannot be achieved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the aromatic wallpaper base paper and the preparation method thereof are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the composition is prepared from the following components in parts by weight: 75-90 parts of wood pulp fiber, 0.015-0.6 part of aromatic, 0.005-0.3 part of dispersing agent, 0.005-0.1 part of penetrating agent, 0.1-2 parts of PVA and 8-22 parts of acrylic latex, wherein the dispersing agent is polycarboxylic acid ammonium salt, and the penetrating agent is a mixture of fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene ether.
Preferably, the feed additive is prepared from the following components in parts by weight: 80-90 parts of wood pulp fiber, 0.03-0.5 part of aromatic, 0.1-0.2 part of dispersing agent, 0.01-0.05 part of penetrating agent, 0.5-1.5 parts of PVA and 10-20 parts of acrylic latex.
Preferably, the weight ratio of the aromatic, the dispersing agent and the penetrating agent is 3-6: 1-3: 1.
more preferably, the weight ratio of the aromatic, the dispersing agent and the penetrating agent is 5: 2: 1.
preferably, the penetrating agent is fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene ether in a mass ratio of 1: 2, or a mixture thereof.
The aromatic is nano essence or nano-grade aromatic microcapsule.
The wood pulp fibers are hardwood pulp fibers and/or softwood pulp fibers.
Preferably, the wood pulp fibers are hardwood pulp fibers and softwood pulp fibers according to the mass ratio of 1: 1.
A preparation method of aromatic wallpaper base paper is characterized by comprising the following steps: the method comprises the following steps:
1) adding wood pulp fibers into a pulper filled with pulping water at the temperature of 30-45 ℃ for fully pulping and beating, wherein the beating degree is 28-32 DEG SR, and the beating concentration is controlled at 2-5%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the proportion, uniformly stirring, adding the mixture into the acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) in a sizing machine to form sizing solution, wherein the dipping time is 5-20 min, the dipping temperature is 20-40 ℃, and then drying and gelling are carried out at 200-250 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine with coating liquid, and finally drying, performing surface press polishing and finishing, and reeling to obtain aromatic wallpaper base paper;
wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 4-7: 1.
preferably, the ratio of the amount of the acrylic latex in the sizing liquid to the amount of the acrylic latex in the coating liquid is 5.5: 1.
the inventors describe the invention as follows:
in order to keep the fragrance of the wallpaper longer, the inventor adds a penetrant into the sizing solution, the aromatic enters the interior of the wallpaper structure under the action of the penetrant, and meanwhile, the dispersant can enable the aromatic to be dispersed more uniformly in the interior of the wallpaper; the synergistic effect of the penetrant and the dispersant enables the aromatic to be uniformly dispersed in the wallpaper base paper, the aim of slow release is achieved, and the aroma retention time is prolonged.
The dosage ratio of the aromatic, the dispersing agent and the penetrating agent is 3-6: 1-3: 1, the dispersing and permeating effects of the dispersing agent are directly influenced by the using amount of the dispersing agent and the permeating agent, the aromatic is unevenly dispersed in the wallpaper structure when the using amount of the dispersing agent and the permeating agent is too small, the aromatic cannot permeate into the interior of the wallpaper, and the sizing solution performance is influenced and the sizing effect is further influenced when the using amount of the dispersing agent and the permeating agent is too large, so that the strength and the toughness of the wallpaper are influenced. And selecting proper dosage of the dispersing agent and the penetrating agent to ensure that the dispersing agent is uniformly dispersed while continuously entering the interior of the wallpaper, and drawing a conclusion through multiple tests that the preferred dosage ratio of the aromatic agent, the dispersing agent and the penetrating agent is 5: 2: 1.
according to the invention, the moderator of the fatty alcohol-polyoxyethylene ether and the alkylphenol polyoxyethylene ether is selected as the penetrant, the penetrant can improve the penetrating action of the aromatic under the synergistic action of the penetrant and the alkylphenol polyoxyethylene ether, so that the aromatic can enter the interior of the wallpaper structure to the maximum extent, the penetrant and the dispersant have a synergistic action, the dispersing action of the dispersant is enhanced while the penetrating action is ensured, and the preferable penetrant is the penetrant with the dosage ratio of the fatty alcohol-polyoxyethylene ether to the alkylphenol polyoxyethylene ether of 1: 2, or a mixture thereof.
The coating liquid prepared by mixing PVA and acrylic latex has the function of forming an internal staggered structure, a layer of film with a porous structure is formed on the surface of the wallpaper after the coating liquid is coated by a coating machine, and the film seals the aromatic in the wallpaper, so that the slow release of the fragrance is facilitated.
In the preparation process, the beating degree of the wood pulp fibers is controlled to be 28-32 DEG SR, so that relatively good binding force among the fibers is ensured, certain air permeability is realized, and the reduction of the diffusion speed of aromatic odor is facilitated; the sizing and dipping time, the dipping temperature and the drying temperature are main factors for improving the sizing effect, and meanwhile, the aromatic agent can be cured to a certain extent, the diffusion speed of the aromatic agent is reduced, and the aromatic smell of the wallpaper can be kept for a longer time.
Preferably, the drying in the step 6) is low-temperature drying at 80-100 ℃.
Preferably, the gram weight of the wallpaper base paper is 100-130 g/m 2.
The nano essence and the nano-scale aromatic microcapsule can be uniformly dispersed in the wood pulp fiber structure under the action of the penetrating agent and the dispersing agent.
The application of the aromatic wallpaper base paper is characterized in that plant or flower patterns are printed on the aromatic wallpaper, aromatic products with different smells are combined with corresponding wallpaper patterns, and therefore the aromatic wallpaper base paper gives users a wonderful experience in vision and smell.
Compared with the prior art, the invention has the beneficial effects that:
1. the aromatic wallpaper base paper disclosed by the invention has the advantages that through the interaction of the essences or microcapsules with different aromatic smells, the penetrating agent and the dispersing agent, the aromatic is uniformly dispersed in the structure of the wallpaper, compared with the aromatic attached to the surface, the release speed of the aromatic is greatly reduced, the aromatic smell can be kept for a longer time, and the aroma of the aromatic wallpaper base paper disclosed by the invention can be kept for more than 1200 days, which is far higher than that of the common wallpaper with the aromatic smell.
2. The coating layer is added on the outer surface of the wallpaper to form a film with a porous structure, the film seals the aromatic in the wallpaper, the fragrance release speed is effectively slowed down, and after 1200 days, the fragrance grade of the wallpaper still reaches 4.33 grades, which is not much different from the original fragrance grade.
Detailed Description
The present invention is further illustrated by the following examples, with example 1 being the preferred example.
The nanometer fragrant microcapsule is produced by Jinhua Lijin science and technology Limited; the nano essence is purchased from Guangzhou Mihe Jiawei commercial company Limited; the polycarboxylate ammonium salt dispersant HT-5020 is produced by break-Thai chemical industry Co., Ltd in Nantong City; the fatty alcohol-polyoxyethylene ether is produced by a Haian petrochemical plant in Jiangsu province; alkylphenol ethoxylates manufactured by chen tai xin lanxing science and technology limited; acrylic latex is manufactured by chemical Limited of Siam Dalda.
Example 1
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 50g of lavender-flavor nano-aromatic microcapsule, 5g of fatty alcohol-polyoxyethylene ether, 5g of alkylphenol polyoxyethylene, 1 PVA kg and 15kg of acrylic latex.
The preparation method comprises the following steps:
1) adding wood pulp fiber into a pulper filled with pulping water at 40 ℃ for fully pulping, wherein the pulping degree is 30 DEG SR, and the pulping concentration is 3%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the mass ratio, uniformly stirring, adding into 12.7kg of acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) on a sizing machine for 15min at the dipping temperature of 30 ℃, and then drying and gelling at the temperature of 220 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into 2.3kg of acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine, drying and gelatinizing the sizing solution permeated in the base paper semi-finished product through a hot air circulating system at 90 ℃, and rolling and coiling the surface to obtain aromatic wallpaper base paper;
wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 5.5: 1.
example 2
Prepared from the following components: 30kg of hardwood pulp fiber, 45kg of softwood pulp fiber, 50g of clove odor type nano-scale aromatic microcapsule, 17g of polycarboxylic acid ammonium dispersant, 8.5g of fatty alcohol-polyoxyethylene ether, 8.5g of alkylphenol polyoxyethylene, PVA2kg and 8kg of acrylic latex.
The preparation method is the same as example 1.
Example 3
Prepared from the following components: 90kg of hardwood pulp fiber, 40g of osmanthus fragrance type nano essence, 18g of polycarboxylic acid ammonium dispersant, 2.5g of fatty alcohol-polyoxyethylene ether, 5g of alkylphenol ethoxylates, 1.5kg of PVA1, and 22kg of acrylic latex.
The preparation method is the same as example 1.
Example 4
Prepared from the following components: 80kg of softwood pulp fiber, 15g of jasmine fragrance type nano essence, 5kg of polycarboxylic acid ammonium dispersant, 3g of fatty alcohol-polyoxyethylene ether, 2g of alkylphenol ethoxylates, 0.5kg of PVA0, and 10kg of acrylic latex.
The preparation method is the same as example 1.
Example 5
The components are the same as in example 1.
The preparation method comprises the following steps:
1) adding wood pulp fiber into a pulper filled with pulping water at 35 ℃ for fully pulping and beating, wherein the beating degree is 25 DEG SR, and the beating concentration is 2%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the mass ratio, uniformly stirring, adding into 12kg of acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) on a sizing machine for 20min at the dipping temperature of 32 ℃, and then drying and gelling at the temperature of 250 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into 3kg of acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine, drying and gelatinizing the sizing solution permeated in the base paper semi-finished product through a hot air circulating system at 80 ℃, and rolling and coiling the surface to obtain aromatic wallpaper base paper;
wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 4: 1.
example 6
The components are the same as in example 1.
The preparation method comprises the following steps:
1) adding wood pulp fiber into a pulper filled with pulping water at 35 ℃ for fully pulping and beating, wherein the beating degree is 25 DEG SR, and the beating concentration is 2%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the mass ratio, uniformly stirring, adding the mixture into 13.1kg of acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) on a sizing machine for 20min at the dipping temperature of 32 ℃, and then drying and gelling at the temperature of 250 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into 2.9kg of acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine, drying and gelatinizing the sizing solution permeated in the base paper semi-finished product through a hot air circulating system at 100 ℃, and rolling and coiling the surface to obtain aromatic wallpaper base paper;
wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 7: 1.
comparative example 1
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 50g of lavender-flavor nano-grade aromatic microcapsule, 20g of ammonium polycarboxylate dispersant, PVA1kg and 15kg of acrylic latex.
Comparative example 2
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 50g of lavender-flavor nano-aromatic microcapsule, 10g of fatty alcohol-polyoxyethylene ether, PVA1kg and 15kg of acrylic latex.
Comparative example 3
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 50g of lavender-flavor nano-aromatic microcapsule, 10g of ammonium polycarboxylate dispersant, 0.06kg of alkylphenol polyoxyethylene and 13kg of acrylic latex.
Comparative example 4
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 50g of lavender-flavor nano-aromatic microcapsule, 20g of ammonium polycarboxylate dispersant, 10g of fatty alcohol-polyoxyethylene ether, PVA1kg and 15kg of acrylic latex.
The preparation method comprises the following steps:
1) adding wood pulp fiber into a pulper filled with pulping water at 40 ℃ for fully pulping, wherein the pulping degree is 30 DEG SR, and the pulping concentration is 3%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the mass ratio, uniformly stirring, adding the mixture into 11.25kg of acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) on a sizing machine for 15min at the dipping temperature of 30 ℃, and then drying and gelling at the temperature of 220 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into 3.75kg of acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine, drying and gelatinizing the sizing solution permeated in the base paper semi-finished product through a hot air circulating system at 90 ℃, and rolling and coiling the surface to obtain the aromatic wallpaper base paper
Wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 3: 1.
comparative example 5
Prepared from the following components: 42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber, 15kg of lavender-flavor nano-aromatic microcapsule, 2.5kg of ammonium polycarboxylate, 2kg of fatty alcohol-polyoxyethylene ether, PVA1kg and 15kg of acrylic latex.
The preparation method comprises the following steps:
1) adding wood pulp fiber into a pulper filled with pulping water at 40 ℃ for fully pulping, wherein the pulping degree is 30 DEG SR, and the pulping concentration is 3%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the mass ratio, uniformly stirring, adding the mixture into 13.3kg of acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) on a sizing machine for 15min at the dipping temperature of 30 ℃, and then drying and gelling at the temperature of 220 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into 2.7kg of acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine, drying and gelatinizing the sizing solution permeated in the base paper semi-finished product through a hot air circulating system at 120 ℃, and rolling and coiling the surface to obtain the aromatic wallpaper base paper
Wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 8: 1.
comparative example 6
42.5kg of hardwood pulp fiber, 42.5kg of softwood pulp fiber and 12kg of acrylic latex are adopted to prepare base wallpaper, and after patterns are printed, a layer of aromatic is coated on the surface of the wallpaper.
The aromatic wallpaper base paper prepared in the embodiments 1-6 and the comparative examples 1-6 is subjected to post-printing by adopting the same raw materials and method to prepare a wallpaper finished product, and the wallpaper with the same area is subjected to fragrance test and the average fragrance grade result is counted.
Fragrance test method: setting 12 rooms with the same size and pattern, keeping the temperature, humidity and illumination of each room the same, respectively pasting wallpaper in each room, standing a tester at the same position in the center of each room, testing, and selecting the corresponding fragrance grade after testing; the test time was day 1, day 60, day 100, day 200, day 365, day 600, day 800 and day 1200 after wallpaper application.
Fragrance tester: selecting 30 ginseng with normal smell, and testing, wherein the age of the testers is 15-45 in half of the male and female.
Grading the fragrance: level 1: no fragrance is generated; and 2, stage: a slightly noticeable fragrance; and 3, level: a perceptible scent; 4, level: a slight fragrance; and 5, stage: the fragrance is obvious.
Mean fragrance rating = sum of fragrance ratings selected by 30 testers/30.
Table 1 shows the fragrance test results of the wallpaper after printing of the aromatic base paper prepared in examples 1 to 6 and comparative examples 1 to 6
As can be seen from table 1, the aromatic wallpaper base papers prepared in examples 1 to 6 by using the method of the present invention have long retention time of fragrance, and can still maintain fragrance grade of more than 3 grade after 1200 days, and example 1 is the best example, and tests show that the fragrance grade is maintained at grade 5 and is not reduced before 100 days, which indicates that the wallpaper prepared by using the method of the present invention has slow fragrance release speed and long fragrance retention time, compared with the subsequent perfuming mode of comparative example 6, the fragrance retention time is greatly prolonged, and the wallpaper prepared in comparative example 6 has a fragrance grade reduced to grade 3 to 4 and grade 1 to 2 after 60 days, and has no fragrance after more than 800 days, and has complete fragrance release.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (8)
1. An aromatic wallpaper base paper is characterized in that: the composition is prepared from the following components in parts by weight: 75-90 parts of wood pulp fiber, 0.015-0.6 part of aromatic, 0.005-0.3 part of dispersing agent, 0.005-0.1 part of penetrating agent, 0.1-2 parts of PVA and 8-22 parts of acrylic latex, wherein the dispersing agent is polycarboxylic acid ammonium salt, and the penetrating agent is a mixture of fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene ether; the weight ratio of the aromatic to the dispersing agent to the penetrating agent is 3-6: 1-3: 1;
the preparation method of the aromatic wallpaper base paper comprises the following steps:
1) adding wood pulp fibers into a pulper filled with pulping water at the temperature of 30-45 ℃ for fully pulping and beating, wherein the beating degree is 28-32 DEG SR, and the beating concentration is controlled at 2-5%;
2) manufacturing the pulp obtained in the step 1) by a fourdrinier machine, and drying to obtain a base paper semi-finished product;
3) mixing the aromatic, the dispersing agent and the penetrating agent according to the proportion, uniformly stirring, adding the mixture into the acrylic latex, and uniformly stirring to obtain a sizing solution;
4) dipping the base paper semi-finished product obtained in the step 2) in a sizing machine to form sizing solution, wherein the dipping time is 5-20 min, the dipping temperature is 20-40 ℃, and then drying and gelling are carried out at 200-250 ℃ to obtain a gelled base paper semi-finished product;
5) adding PVA into acrylic latex, and uniformly stirring to obtain a coating liquid;
6) coating the gelatinized base paper finished product obtained in the step 4) on a coating machine with coating liquid, and finally drying, performing surface press polishing and finishing, and reeling to obtain aromatic wallpaper base paper;
wherein the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 4-7: 1.
2. the aromatic wallpaper base paper as claimed in claim 1, characterized in that: the composition is prepared from the following components in parts by weight: 80-90 parts of wood pulp fiber, 0.03-0.5 part of aromatic, 0.1-0.2 part of dispersing agent, 0.01-0.05 part of penetrating agent, 0.5-1.5 parts of PVA and 10-20 parts of acrylic latex.
3. The aromatic wallpaper base paper as claimed in claim 1, characterized in that: the weight ratio of the aromatic, the dispersing agent and the penetrating agent is 5: 2: 1.
4. the aromatic wallpaper base paper as claimed in claim 1, characterized in that: the penetrating agent is fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene ether in a mass ratio of 1: 2, or a mixture thereof.
5. The aromatic wallpaper base paper according to claim 1 or 2, characterized in that: the aromatic is nano essence or nano-grade aromatic microcapsule.
6. The aromatic wallpaper base paper according to claim 1 or 2, characterized in that: the wood pulp fibers are hardwood pulp fibers and/or softwood pulp fibers.
7. The aromatic wallpaper base paper as claimed in claim 6, wherein: the wood pulp fibers are hardwood pulp fibers and softwood pulp fibers according to the mass ratio of 1: 1.
8. The aromatic wallpaper base paper as claimed in claim 1, characterized in that: the ratio of the acrylic latex amount in the sizing solution to the acrylic latex amount in the coating solution is 5.5: 1.
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| CN110330803A (en) * | 2018-08-02 | 2019-10-15 | 中兆生物科技有限公司 | A kind of interior wall wood powder wall material |
| CN112941968B (en) * | 2021-04-20 | 2023-08-08 | 广东靓时新材料科技有限公司 | Fragrance-releasing facing artificial board and preparation method thereof |
| CN113134879B (en) * | 2021-04-20 | 2023-01-31 | 中国林业科学研究院木材工业研究所 | Fragrance-releasing decorative artificial board and preparation method thereof |
| CN115284693A (en) * | 2022-07-07 | 2022-11-04 | 浙江升华云峰新材股份有限公司 | Fragrance-releasing antibacterial antiviral ecological plate and preparation method thereof |
| CN115233500B (en) * | 2022-08-20 | 2024-01-30 | 肖晓声 | Sustained-release aromatic wallpaper and preparation method thereof |
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| JP3026148B2 (en) * | 1995-04-19 | 2000-03-27 | 有限会社小林技術研究所 | Construction method of perfume-containing wallpaper |
| KR100467808B1 (en) * | 2001-10-09 | 2005-01-24 | 주식회사 엘지화학 | Wall paper emanating natural aroma |
| CN101974869B (en) * | 2010-11-18 | 2012-01-04 | 浙江华邦特种纸业有限公司 | High air permeability non-woven base wallpaper and products thereof |
| CN102619127B (en) * | 2012-04-23 | 2014-08-13 | 淄博欧木特种纸业有限公司 | Environment-friendly high-printability non-woven wallpaper base and preparation method thereof |
| CN203701480U (en) * | 2014-01-16 | 2014-07-09 | 福建圣莉雅环保壁纸有限公司 | Wallpaper sending forth fragrance for long time |
| CN103966922B (en) * | 2014-04-23 | 2016-05-18 | 福建春伦茶业集团有限公司 | A kind of tea stalk wallpaper and using method thereof |
| CN104480794A (en) * | 2014-11-13 | 2015-04-01 | 常熟市常隆包装有限公司 | Packaging paper with fragrance |
| CN105064138A (en) * | 2015-08-10 | 2015-11-18 | 桂林威迈壁纸有限公司 | Mildewproof aromatic wallpaper |
| CN107268339A (en) * | 2017-07-03 | 2017-10-20 | 四川锦泓佳建筑装饰工程有限公司 | A kind of fragrance wallpaper |
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Denomination of invention: An aromatic wallpaper base paper and its preparation method Effective date of registration: 20230721 Granted publication date: 20210115 Pledgee: Industrial Commercial Bank of China Ltd. Zibo Linzi branch Pledgor: ZIBO OUMU SPECIAL PAPER INDUSTRY Co.,Ltd. Registration number: Y2023980049261 |