CN110820416A - Transfer paper with clay antibacterial coating and manufacturing process thereof - Google Patents
Transfer paper with clay antibacterial coating and manufacturing process thereof Download PDFInfo
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- CN110820416A CN110820416A CN201911155579.8A CN201911155579A CN110820416A CN 110820416 A CN110820416 A CN 110820416A CN 201911155579 A CN201911155579 A CN 201911155579A CN 110820416 A CN110820416 A CN 110820416A
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- clay
- antibacterial
- transfer paper
- coating
- coating liquid
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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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
-
- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses transfer paper with a clay antibacterial coating, which is back-coated with antibacterial clay back-coating liquid, wherein the antibacterial clay back-coating liquid comprises the following components: 15-19 wt% of clay, 60-69 wt% of water-based acrylic resin emulsion, 3-5 wt% of inorganic antibacterial material STK, 5-8 wt% of pearl powder, 5-10 wt% of titanium dioxide, 0-1 wt% of pigment red, 0-2 wt% of pigment yellow, 0.1-0.2 wt% of defoaming agent and 0.1-0.2 wt% of flatting agent. The transfer paper manufactured by the invention has the functions of antibiosis, fragrance preservation and moisture preservation.
Description
Technical Field
The invention relates to the technical field of antibacterial coatings, in particular to transfer paper with a clay antibacterial coating and a manufacturing process thereof.
Background
The existing paper packaging materials used for cigarette lining paper, frame paper and the like which are in direct contact with food do not have antibacterial performance, and simultaneously have poor barrier performance to moisture and smell to be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides transfer paper with a clay antibacterial coating and a manufacturing process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transfer paper with a clay antibacterial coating is back-coated with an antibacterial clay back-coating liquid, wherein the antibacterial clay back-coating liquid comprises the following components: 15-19 wt% of clay, 60-69 wt% of water-based acrylic resin emulsion, 3-5 wt% of inorganic antibacterial material STK, 5-8 wt% of pearl powder, 5-10 wt% of titanium dioxide, 0-1 wt% of pigment red, 0-2 wt% of pigment yellow, 0.1-0.2 wt% of defoaming agent and 0.1-0.2 wt% of flatting agent.
The antibacterial clay back coating liquid comprises the following components: 15 wt% of clay, 69 wt% of water-based acrylic resin emulsion, 5 wt% of inorganic antibacterial material STK, 5 wt% of pearl powder, 5 wt% of titanium dioxide, 0.8 wt% of pigment red, 0.1 wt% of defoaming agent and 0.1 wt% of leveling agent.
The antibacterial clay back coating liquid comprises the following components: 16 wt% of clay, 61.7 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 1 wt% of pigment red, 1 wt% of pigment yellow, 0.15 wt% of defoaming agent and 0.15 wt% of flatting agent.
The antibacterial clay back coating liquid comprises the following components: 19 wt% of clay, 60 wt% of water-based acrylic resin emulsion, 3 wt% of inorganic antibacterial material STK, 8 wt% of pearl powder, 7.6 wt% of titanium dioxide, 2 wt% of pigment yellow, 0.2 wt% of defoaming agent and 0.2 wt% of leveling agent.
The antibacterial clay back coating liquid comprises the following components: 16.7 wt% of clay, 63 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 0.15 wt% of defoaming agent and 0.15 wt% of leveling agent.
The clay is colorless, has strong covering power, can be used as a filler, and can improve the viscosity of the back coating liquid. The conventional back coating liquid is not densely coated on paper, the fibers of the paper are not completely covered, and the exposed fibers can absorb moisture in the environment; and the back coating liquid can not completely block the paper, and can completely block the paper after the clay is added.
The back coating liquid added with clay can prolong the shelf life of the inner wrappage after being used for transferring paper.
The aqueous acrylic resin emulsion is 30 percent of aqueous acrylic resin emulsion. The water-based acrylic resin emulsion has good blocking performance, can block external moisture, can block the volatilization of the smell of a package, and can preserve moisture and fragrance.
The inorganic antibacterial material STK is compounded by taking zinc-calcium salt as a main antibacterial component and matching with a special far infrared (8-18 mu m) radiation material, has the characteristics of no discoloration, strong antibacterial capability, wide antibacterial spectrum, good heat resistance and no toxicity, and can ensure that the back coating liquid has antibacterial effect and the quality guarantee period of a package is longer.
The unique soft pearl luster of the pearl powder has incomparable effect. The special surface structure, high refractive index and good transparency enable the pearl pigment to create the same effect as pearl luster in a transparent medium, the back coating liquid added with the pearl powder has better color and luster, the touch feeling of the back of the paper is softer and more moist, and the pearl pigment can be matched with pigment red and pigment yellow for color matching.
The titanium dioxide has good covering capacity, and the shelf life of a packing material can be prolonged after the prepared back coating liquid is used for transferring paper. The titanium dioxide is used as a filler, can play a role in thickening, coating and blocking the back coating liquid, the water-based acrylic resin emulsion plays a role in blocking after the titanium dioxide blocks the surface of the paper, and the titanium dioxide and the water-based acrylic resin emulsion play a role in enhancing moisture retention.
The pigment red gives blue light red tone, has excellent heat stability, light and weather fastness and migration resistance, and is used for coloring.
The yellow pigment gives green yellow color, has strong tinting strength, high heat resistance, excellent heat resistance, acid resistance, alkali resistance and no migration, and is used for coloring.
The pigment red and the pigment yellow can be matched for use to be adjusted into brick red. The paper texture (the longitudinal fiber of the paper can penetrate the local longitudinal silk thread) of the paper and the brick red pigment are matched to form a special ceramic texture.
The defoaming agent can reduce the surface tension in the back coating liquid processing process, inhibit the generation of foam or eliminate the generated foam. The defoaming agent is polyether defoaming agent.
The leveling agent can effectively reduce the surface tension of the back coating liquid and improve the leveling property and uniformity of the back coating liquid; can improve the permeability of the back coating liquid, reduce the possibility of generating spots and scars during brushing, increase the coverage and ensure uniform and natural film formation. The leveling agent is byk-333 leveling agent.
A manufacturing process of transfer paper with a clay antibacterial coating comprises the following steps:
a. slowly adding the pearl powder, the titanium dioxide, the pigment yellow and the pigment red into water, stirring for 30 minutes under the stirring condition of 100-120 revolutions per minute, and soaking for 24 hours for later use; the step is powder premixing, so that bubbles are prevented from being generated, and subsequent back coating is prevented from being uneven.
b. Roasting the clay for 10-12h at the temperature of 600-900 ℃, slowly cooling and annealing, and grinding the clay on a ball mill to a particle size of 3-5 microns; this procedure resulted in ultrafine clay powders, too coarse particles to be coated.
c. B, adding the superfine clay powder obtained in the step b into the water-based acrylic resin emulsion, setting the rotating speed of a high-speed dispersion machine to be 700-900 revolutions per minute, and uniformly dispersing after 1 hour; here an emulsion of clay suspension is obtained.
Adding the soaking solution and the inorganic antibacterial material STK obtained in the step a, dispersing at the speed of 500-700 rpm for 1 hour to uniformly disperse the inorganic antibacterial material STK, and finally sequentially adding the defoaming agent and the leveling agent until the inorganic antibacterial material STK is uniformly dispersed;
d. and the volatile water in the dispersion process is supplemented, and the reaction kettle has a weighing function and can supplement water according to the weight.
Filtering with a 250-mesh filter screen to obtain an antibacterial clay back coating solution; impurities and the like mixed in the reaction process are filtered.
e. And (4) coating the antibacterial clay back coating liquid on the back of the transfer paper.
And e, back coating by using a 200-mesh screen roller, wherein the temperature of a back coating oven is 110-120 ℃, the speed of the back coating oven is 100-120 m/min, and the pressure is 0.3-0.4 Mpa.
The invention has the beneficial effects that: the manufactured transfer paper has the functions of antibiosis, fragrance preservation and moisture preservation.
Detailed Description
Example 1:
a transfer paper with a clay antibacterial coating is back-coated with an antibacterial clay back-coating liquid, wherein the antibacterial clay back-coating liquid comprises the following components: 15 wt% of clay, 69 wt% of water-based acrylic resin emulsion, 5 wt% of inorganic antibacterial material STK, 5 wt% of pearl powder, 5 wt% of titanium dioxide, 0.8 wt% of pigment red, 0.1 wt% of defoaming agent and 0.1 wt% of leveling agent.
The aqueous acrylic resin emulsion is 30 percent of aqueous acrylic resin emulsion.
A manufacturing process of transfer paper with a clay antibacterial coating comprises the following steps:
a. slowly adding the pearl powder, the titanium dioxide, the pigment yellow and the pigment red into water, stirring for 30 minutes under the stirring condition of 100-120 revolutions per minute, and soaking for 24 hours for later use;
b. roasting the clay for 10-12h at the temperature of 600-900 ℃, slowly cooling and annealing, and grinding the clay on a ball mill to a particle size of 3-5 microns;
c. b, adding the superfine clay powder obtained in the step b into the water-based acrylic resin emulsion, setting the rotating speed of a high-speed dispersion machine to be 700-900 revolutions per minute, and uniformly dispersing after 1 hour; adding the soaking solution and the inorganic antibacterial material STK obtained in the step a, dispersing at the speed of 500-700 rpm for 1 hour to uniformly disperse the inorganic antibacterial material STK, and finally sequentially adding the defoaming agent and the leveling agent until the inorganic antibacterial material STK is uniformly dispersed;
d. supplementing the water volatilized in the dispersion process, and filtering by a 250-mesh filter screen to obtain the antibacterial clay back coating liquid;
e. and (4) coating the antibacterial clay back coating liquid on the back of the transfer paper.
And e, back coating by using a 200-mesh screen roller, wherein the temperature of a back coating oven is 110-120 ℃, the speed of the back coating oven is 100-120 m/min, and the pressure is 0.3-0.4 Mpa.
Example 2:
the difference from example 1 is only that the antibacterial clay back coating liquid comprises the following components: 16 wt% of clay, 61.7 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 1 wt% of pigment red, 1 wt% of pigment yellow, 0.15 wt% of defoaming agent and 0.15 wt% of flatting agent.
Example 3:
the difference from example 1 is only that the antibacterial clay back coating liquid comprises the following components: 19 wt% of clay, 60 wt% of water-based acrylic resin emulsion, 3 wt% of inorganic antibacterial material STK, 8 wt% of pearl powder, 7.6 wt% of titanium dioxide, 2 wt% of pigment yellow, 0.2 wt% of defoaming agent and 0.2 wt% of leveling agent.
Example 4:
the difference from example 1 is only that the antibacterial clay back coating liquid comprises the following components: 16.7 wt% of clay, 63 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 0.15 wt% of defoaming agent and 0.15 wt% of leveling agent. The antibacterial clay back coating liquid of this example was colorless and formed a characteristic line on paper, but did not have the color of ceramic.
Moisture retention and water resistance test:
the transfer paper and the common transfer paper obtained in the above 4 examples were subjected to moisture retention and water resistance tests, and contact angle data before and after back coating of several base papers were compared with a contact angle measuring instrument according to standard requirements of YC/T424-2011 contact angle method for measuring surface wettability of cigarette paper as follows:
the transfer paper is put into a constant-temperature drying oven for balancing, and the change condition of the water content (water content%) of the paper is compared as follows:
and (3) testing the bacteriostatic effect of escherichia coli:
note: blank samples were empty petri dishes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The transfer paper with the clay antibacterial coating is characterized in that the transfer paper is back-coated with antibacterial clay back-coating liquid, and the antibacterial clay back-coating liquid comprises the following components: 15-19 wt% of clay, 60-69 wt% of water-based acrylic resin emulsion, 3-5 wt% of inorganic antibacterial material STK, 5-8 wt% of pearl powder, 5-10 wt% of titanium dioxide, 0-1 wt% of pigment red, 0-2 wt% of pigment yellow, 0.1-0.2 wt% of defoaming agent and 0.1-0.2 wt% of flatting agent.
2. A transfer paper having an antibacterial coating of clay as claimed in claim 1, wherein the antibacterial clay back-coating liquid comprises the following components: 15 wt% of clay, 69 wt% of water-based acrylic resin emulsion, 5 wt% of inorganic antibacterial material STK, 5 wt% of pearl powder, 5 wt% of titanium dioxide, 0.8 wt% of pigment red, 0.1 wt% of defoaming agent and 0.1 wt% of leveling agent.
3. A transfer paper having an antibacterial coating of clay as claimed in claim 1, wherein the antibacterial clay back-coating liquid comprises the following components: 16 wt% of clay, 61.7 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 1 wt% of pigment red, 1 wt% of pigment yellow, 0.15 wt% of defoaming agent and 0.15 wt% of flatting agent.
4. A transfer paper having an antibacterial coating of clay as claimed in claim 1, wherein the antibacterial clay back-coating liquid comprises the following components: 19 wt% of clay, 60 wt% of water-based acrylic resin emulsion, 3 wt% of inorganic antibacterial material STK, 8 wt% of pearl powder, 7.6 wt% of titanium dioxide, 2 wt% of pigment yellow, 0.2 wt% of defoaming agent and 0.2 wt% of leveling agent.
5. A transfer paper having an antibacterial coating of clay as claimed in claim 1, wherein the antibacterial clay back-coating liquid comprises the following components: 16.7 wt% of clay, 63 wt% of water-based acrylic resin emulsion, 4 wt% of inorganic antibacterial material STK, 6 wt% of pearl powder, 10 wt% of titanium dioxide, 0.15 wt% of defoaming agent and 0.15 wt% of leveling agent.
6. The transfer paper with the clay antibacterial coating as claimed in any one of claims 1 to 5, wherein the aqueous acrylic resin emulsion is 30% aqueous acrylic resin emulsion.
7. A process for manufacturing a transfer paper having a clay antibacterial coating according to any one of claims 1 to 5, comprising the steps of:
a. slowly adding the pearl powder, the titanium dioxide, the pigment yellow and the pigment red into water, stirring for 30 minutes under the stirring condition of 100-120 revolutions per minute, and soaking for 24 hours for later use;
b. roasting the clay for 10-12h at the temperature of 600-900 ℃, slowly cooling and annealing, and grinding the clay on a ball mill to a particle size of 3-5 microns;
c. b, adding the superfine clay powder obtained in the step b into the water-based acrylic resin emulsion, setting the rotating speed of a high-speed dispersion machine to be 700-900 revolutions per minute, and uniformly dispersing after 1 hour; adding the soaking solution and the inorganic antibacterial material STK obtained in the step a, dispersing at the speed of 500-700 rpm for 1 hour to uniformly disperse the inorganic antibacterial material STK, and finally sequentially adding the defoaming agent and the leveling agent until the inorganic antibacterial material STK is uniformly dispersed;
d. supplementing the water volatilized in the dispersion process, and filtering by a 250-mesh filter screen to obtain the antibacterial clay back coating liquid;
e. and (4) coating the antibacterial clay back coating liquid on the back of the transfer paper.
8. The process for preparing transfer paper with clay antibacterial coating according to claim 7, wherein step e is carried out by back coating with 200 mesh screen roller at 110-120 deg.C and at 100-120 m/min under 0.3-0.4 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155579.8A CN110820416A (en) | 2019-11-22 | 2019-11-22 | Transfer paper with clay antibacterial coating and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155579.8A CN110820416A (en) | 2019-11-22 | 2019-11-22 | Transfer paper with clay antibacterial coating and manufacturing process thereof |
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| CN110820416A true CN110820416A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911155579.8A Pending CN110820416A (en) | 2019-11-22 | 2019-11-22 | Transfer paper with clay antibacterial coating and manufacturing process thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108004839A (en) * | 2017-12-20 | 2018-05-08 | 常德金德新材料科技股份有限公司 | The paper back of the body applies lotion and its preparation method and application |
| CN108374294A (en) * | 2018-01-12 | 2018-08-07 | 浙江上峰包装新材料有限公司 | A kind of cigarette protects fragrant humectation clay wrapping paper preparation method and wrapping paper and packing box |
| CN108894058A (en) * | 2018-06-11 | 2018-11-27 | 浙江上峰包装新材料有限公司 | A kind of preparation method of aqueous back coating liquid and cigarette wrapping paper and the wrapping paper |
| CN109235124A (en) * | 2018-09-07 | 2019-01-18 | 浙江上峰包装新材料有限公司 | A kind of fresh-keeping flavouring wrapping paper of microsponge type humectation and preparation method of environment-friendly degradable |
| CN110424187A (en) * | 2019-06-24 | 2019-11-08 | 湖南和锐镭射科技有限公司 | Environment-friendly water-based back painting and preparation method thereof, high viscose performance transfer paper jam and resist blocking and that shift paper jam |
-
2019
- 2019-11-22 CN CN201911155579.8A patent/CN110820416A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004839A (en) * | 2017-12-20 | 2018-05-08 | 常德金德新材料科技股份有限公司 | The paper back of the body applies lotion and its preparation method and application |
| CN108374294A (en) * | 2018-01-12 | 2018-08-07 | 浙江上峰包装新材料有限公司 | A kind of cigarette protects fragrant humectation clay wrapping paper preparation method and wrapping paper and packing box |
| CN108894058A (en) * | 2018-06-11 | 2018-11-27 | 浙江上峰包装新材料有限公司 | A kind of preparation method of aqueous back coating liquid and cigarette wrapping paper and the wrapping paper |
| CN109235124A (en) * | 2018-09-07 | 2019-01-18 | 浙江上峰包装新材料有限公司 | A kind of fresh-keeping flavouring wrapping paper of microsponge type humectation and preparation method of environment-friendly degradable |
| CN110424187A (en) * | 2019-06-24 | 2019-11-08 | 湖南和锐镭射科技有限公司 | Environment-friendly water-based back painting and preparation method thereof, high viscose performance transfer paper jam and resist blocking and that shift paper jam |
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