CN109868679A - The aqueous imitative glass card coating of one kind, imitative glass card and preparation method thereof - Google Patents

The aqueous imitative glass card coating of one kind, imitative glass card and preparation method thereof Download PDF

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Publication number
CN109868679A
CN109868679A CN201910120665.9A CN201910120665A CN109868679A CN 109868679 A CN109868679 A CN 109868679A CN 201910120665 A CN201910120665 A CN 201910120665A CN 109868679 A CN109868679 A CN 109868679A
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glass card
imitative glass
coating
aqueous
imitative
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CN201910120665.9A
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全吉平
许丽
仇如全
王俊明
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Ningbo Asia Pulp and Paper Co Ltd
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Ningbo Asia Pulp and Paper Co Ltd
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Priority to CN201910120665.9A priority Critical patent/CN109868679A/en
Publication of CN109868679A publication Critical patent/CN109868679A/en
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Abstract

The invention discloses a kind of aqueous imitative glass card coating, imitative glass card and preparation method thereof, and the aqueous imitative glass card coating includes: 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 part of levelling agent and 0.4~0.6 part of optical brightener.By the above-mentioned means, the present invention can be improved the recuperability of imitative glass card, production cost is reduced.

Description

The aqueous imitative glass card coating of one kind, imitative glass card and preparation method thereof
Technical field
The present invention relates to pulp technology for making paper, more particularly to a kind of aqueous imitative glass card coating, imitative glass card and its preparation side Method.
Background technique
Imitative glass card is that a kind of height is smooth, cardboard of high glaze, be widely used in the cosmetics of super quality, cigarette case, wine box and The packaging of luxury goods.Existing some high-grade colored cigarette packets pack product, generally use following technology and carry out post-process treatment: such as By transfer method, silverskin or laser film are sticked in into paperboard surface with glue, paperboard surface reprocessing is realized, improves paper Planarization and glossiness, effect is beautiful after printing, improves cigarette packet value-added content of product.It is poly- to benzene two after being aluminized by glue Formic acid glycol ester film (Polyethylene terephthalate, PET) sticks in paperboard surface, can also usually be coated with not With the coating of color, different-effect is realized.The structure of existing imitative glass card is referring to Fig. 1, Fig. 1 is the knot of imitative glass card in the prior art Structure schematic diagram, imitating glass card 10 includes original paper layer 101, and the PET film layer 103 and colored coatings 104 adhered to by glue 102 is former Back coating 105 can also be set as needed in the back side of paper layer 101.The above processing method is due to there is the presence of aluminium film and PET film Cause can not effective recycling, pollute the environment, and expensive.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of aqueous imitative glass card coating, imitative glass card and preparation method thereof, It can be improved the recuperability of imitative glass card, reduce production cost.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of aqueous imitative glass card coating is provided, The aqueous imitative glass card coating include: 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 part of levelling agent and 0.4~ 0.6 part of optical brightener.
Wherein, aqueous imitative glass card coating further include: 0.3~0.5 part of release agent, 0.2~0.5 part of polyvinyl alcohol, 0.5 ~1.0 parts of carboxymethyl cellulose.
Wherein, 0.3~0.5 part of lubricant, 0.5~1.0 part of wet strength agent, 0.08~1.20 part of dispersing agent.
Wherein, pigment is one or more of grinding calcium carbonate, winnofil, china clay, calcined earth;Latex is butylbenzene One or more of latex, styrene-acrylic latex, hydroxyl styrene-butadiene latex.
In order to solve the above technical problems, another technical solution used in the present invention is: a kind of imitative glass card is provided, it is described imitative Glass card includes: original paper layer and paint film, and paint film includes aqueous imitative glass card coating, and aqueous imitative glass card coating includes: 100 parts Pigment, 40~60 parts of latex, 0.1~0.3 part of levelling agent and 0.4~0.6 part of optical brightener.
Wherein, imitating glass card further includes the layer of varnish on paint film.
Wherein, imitating glass card further includes the priming coat between original paper layer and the paint film.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of preparation of imitative glass card Method, which comprises aqueous imitative glass card coating is provided, the aqueous imitative glass card coating include: 100 parts pigment, 40~ 60 parts of latex, 0.1~0.3 part of levelling agent and 0.4~0.6 part of optical brightener;Body paper is provided, at least the one of the body paper Face coats the aqueous imitative glass card coating;The dry, press polish by the cardboard after coating, obtains imitative glass card.
Wherein, after at least one side of body paper coats aqueous imitative glass card coating further include: coated on paint film Layer of varnish.
Wherein, layer of varnish is coated on paint film includes: to be coated with to form layer of varnish using rubber roller or anilox roll.
The beneficial effects of the present invention are: being in contrast to the prior art, the present invention provides a kind of aqueous imitative glass card coating, By the component content in regulation coating, gained paint film can be made to substitute existing PET film layer, reach identical folding line effect Fruit, intensity and luster effect can be processed on the same equipment, have recuperability and cost advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of imitative glass card in the prior art;
Fig. 2 is the structural schematic diagram for the first embodiment that the application imitates glass card;
Fig. 3 is the structural schematic diagram for the second embodiment that the application imitates glass card;
Fig. 4 is the flow diagram that the application imitates glass blocking Preparation Method first embodiment;
Fig. 5 is that the application imitates the surface effect figure after glass card coating varnish;
Fig. 6 is the imitative glass card schematic surface of existing PET film;
Fig. 7 is the schematic surface that the application imitates glass card.
Specific embodiment
It is right as follows in conjunction with drawings and embodiments to keep the purpose, technical solution and effect of the application clearer, clear The application is further described.
The application provides a kind of aqueous imitative glass card coating, is at least applied to paper industry, is coated on paper surface, is formed imitative Glass card.The paint film that water paint used herein is formed substitutes the PET film layer in existing imitative glass card, can either reduce life Cost is produced, the recuperability of product is improved, reduces pollution of the product to environment.
In one embodiment, aqueous imitative glass card coating includes 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 The levelling agent and 0.4~0.6 part of optical brightener of part.In the aqueous imitative glass card coating, pass through regulation pigment, latex and other auxiliary agents Component content can be improved gained paint film intensity and glossiness, and then make gained paint film can achieve PET film Glossiness, intensity and smoothness, and be in the application not in explosion at folding.It specifically, can by the way that levelling agent is added The surface tension for applying feed liquid is effectively reduced, improves its levelability and uniformity;The permeability for applying feed liquid can also be improved simultaneously, subtracted A possibility that spot and spot are generated when brushing less, increases spreadability, so that the paint film formed is more smooth, smooth, uniform. As be added optical brightener can reduce obtained by paint film surface roughness, and then increase its glossiness.Pigment can reduce imitative The adhesion strength of glass card coating, latex can be improved the adhesion strength of imitative glass card coating, by regulating and controlling the content of pigment and latex, The adhesion strength for regulating and controlling paint film, makes film layer be not susceptible to burst or fall off in the application.Wherein, the content of latex is 40 Part, 45 parts, 50 parts, 55 parts, 60 parts etc.;The content of levelling agent is 0.10 part, 0.15 part, 0.20 part, 0.25 part, 0.30 part etc.; The content of optical brightener is 0.40 part, 0.45 part, 0.50 part, 0.55 part, 0.60 part etc..
Wherein, in one embodiment, aqueous imitative glass card coating further includes 0.2~0.5 part of polyvinyl alcohol (PVA), and 0.5 ~1.0 parts of carboxymethyl cellulose (CMC) and 0.3~0.5 part of release agent.The addition of polyvinyl alcohol can be improved coating at Film property;The addition of carboxymethyl cellulose can improve the rheological characteristic of coating, regulate and control the solid content of coating;The addition of release agent can Improve the smoothness and cleanliness of paint film.But release agent can also make film layer be easy to be detached from from body surface, therefore, should adjust The content for controlling release agent, prevents film layer from falling off or bursting.Specifically, the content of polyvinyl alcohol is 0.20 part, 0.25 part, 0.30 Part, 0.40 part, 0.50 part etc.;The content of carboxymethyl cellulose is 0.50 part, 0.60 part, 0.70 part, 0.80 part, 0.90 part etc.; The content of release agent is 0.30 part, 0.35 part, 0.40 part, 0.45 part, 0.50 part etc..
In another embodiment, aqueous imitative glass card coating can also include other coating additives, to improve the whole of coating Body performance such as further includes 0.3~0.5 part of lubricant, 0.5~1.0 part of wet strength agent, 0.08~1.20 part of dispersing agent.
Optionally, pigment is one or more of grinding calcium carbonate, winnofil, china clay, calcined earth;Wherein, it is The planarization of paint film is improved, pigment of the preferable particle size less than 2 microns is preferably cheap in order to reduce production cost Grinding calcium carbonate as pigment.Latex is one kind or several of styrene-butadiene latex (SB), styrene-acrylic latex (SA), hydroxyl styrene-butadiene latex Kind;Wherein styrene-acrylic latex can make imitative glass card coating gloss be higher than styrene-butadiene latex, but the adhesion strength of styrene-acrylic latex is not so good as fourth Benzene latex.Therefore in order to make imitative glass card coating have both high glaze and high bond strength, styrene-acrylic latex and butadiene-styrene rubber is can be used in latex The mixing latex of cream.Remover is the alkyl-modified organosilicon of aralkyl-, such as BYK-333 or other similar in BYK-333 characteristic Remover.Optical brightener is polythene wax emulsion, such as E-842 or such polythene wax emulsion.Dispersing agent is polyphosphate, poly- third One or more of olefin(e) acid sodium, carboxylate.
Aqueous imitative glass card coating provided herein can substitute PET film coated on the standby imitative glass card of base paper sheet wheat flour, tool Body, referring to Fig. 2, Fig. 2 is the structural schematic diagram for the first embodiment that the application imitates glass card;In this embodiment, it imitates Glass card 20 includes original paper layer 201 and paint film 202, and paint film 202 includes aqueous imitative glass card coating, aqueous imitative glass card coating Including 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 part of levelling agent and 0.4~0.6 part of optical brightener.Specifically Aqueous imitative glass card paint ingredient ratio please refers to the description of above embodiment, and details are not described herein.Provided herein is imitative Glass card has certain glossiness and intensity, and the gloss and color that can reach aluminizer meet the requirement of imitative glass card, and Coating is water paint, is easily recycled, and is reduced environmental pollution.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram for the second embodiment that the application imitates glass card;In this embodiment, Imitative glass card 30 further includes layer of varnish 304, and the presence of layer of varnish 304 can be improved the glossiness of imitative glass card, and the price of varnish is just Preferably, facilitate to reduce the preparation cost of imitative glass card.It can choose the varnish of different colours, the imitative glass card of different colours be made.For It further increases glossiness and can be coated with twice varnish and form layer of varnish.Varnish is mixed colours by special dyestuff, and toning color is omited Lower than color of object, by solving the problems, such as that color is consistent and single application surface is uneven and white point after two trace-stackings.It can make It is coated with rubber roller or anilox roll, processing method is mature, and dosage is few.
In this embodiment, imitating glass card 30 further includes priming coat 302, and the presence of priming coat 302 can be to rough surface Original paper layer 301 modified, improve the planarization on 301 surface of original paper layer, provide coating basis to be coated with imitative glass card coating.Together When can reduce the coating weight of imitative glass card coating, 50% can be reduced.Priming coat can choose the relatively low conventional coating of price, Reduce the preparation cost of imitative glass card.
In this embodiment, imitating glass card 30 further includes back coating 305, and back coating 305 can equally coat imitative glass card and apply Material realizes two-sided functional, is also possible to the coating of other function, such as coats moisture-proof coating, improves the humidity resistance of imitative glass card.
To prepare above-mentioned imitative glass card, the application also provides a kind of preparation method of imitative glass card.Referring to Fig. 4, Fig. 4 is this Apply for the flow diagram of imitative glass blocking Preparation Method first embodiment.In this embodiment, imitating glass blocking Preparation Method includes:
S401: aqueous imitative glass card coating is provided.
Wherein, aqueous imitative glass card coating includes 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 part of levelling agent With 0.4~0.6 part of optical brightener.Specifically paint ingredient ratio please refers to the description of above embodiment, and details are not described herein.
S402: providing original paper layer, applies fabric aqueous in at least one side of body paper and imitates glass card coating.
Wherein the preparation of body paper can be made with the prior art, or directly be bought, it is not limited here.It will be well prepared in advance Aqueous imitative glass card coating is coated on body paper surface, is adapted to selection coating method and is coated, such as low using scraper progress Quantitative coating.
S403: the dry, press polish by the cardboard after coating obtains imitative glass card.
Wherein, in one embodiment, before being coated with imitative glass card coating, one layer of priming coat is first coated on original paper layer, Priming coat can choose common coating method and be coated.
In one embodiment, after being coated with imitative glass card coating, varnish is also coated on imitative glass card paint film Layer, to further increase the glossiness of imitative glass card.Twice varnish can be specifically coated with and form layer of varnish.Varnish passes through special dyestuff Toning, toning color are slightly below color of object, by solve that color is consistent after two trace-stackings and single application surface unevenly and White point problem.Rubber roller or anilox roll coating can be used, processing method is mature, and dosage is few.
Above scheme, the application provide a kind of aqueous imitative glass card coating, by the component content in regulation coating, can make Gained paint film substitutes existing PET film layer, reaches identical folding line effect, intensity and luster effect, can be identical It is processed in equipment, there is recuperability and cost advantage.
Below the application will be illustrated, explained by several groups of specific experiment examples and comparative experiments example, but do not applied To limit scope of the present application.
Experimental example 1:
(1) preparation of coating:
Prepare 100 parts of grinding calcium carbonate (GCC97), 40 parts of SA/SB lotion, 0.20 part of PVA, 0.50 part of CMC, lubricant 0.30 part, 0.50 part of wet strength agent, 0.40 part of optical brightener E842,0.30 part of release agent BYK333, levelling agent BYK4510 0.10 Part, 0.08 part of dispersing agent.Specific paint ingredient ratio please refers to table 1, adds after each material by high speed dispersion, must be uniformly dispersed Coating.
(2) preparation of glass card is imitated:
It is coated with one layer of priming coat in the one side of original paper layer, aqueous imitative glass card coating, control coating are coated on priming coat Uniformly, dry imitative glass card after coating.Crucial physical property measurement is carried out to imitative glass card, see Table 2 for details for test result.
One layer of layer of varnish is coated after applying fabric aqueous and imitating glass card coating, varnish selects black B-7, blue L-5, red The mixing mill base of A-3, after being coated with two layers, for film surface uniformly without white point, Painting effect figure is detailed in attached drawing 5, and Fig. 5 is that the application is imitative Glass card is coated with the surface effect figure after varnish, carries out crucial physical property measurement to the imitative glass card after coating varnish, test result is detailed It is shown in Table 2.
Experimental example 2:
(1) preparation of coating:
Prepare 80 parts of grinding calcium carbonate (GCC97), 20 parts of china clay (Clay), 50 parts of SA/SB lotion, 0.20 part of PVA, CMC 0.50 part, 0.30 part of lubricant, 0.50 part of wet strength agent, 0.50 part of optical brightener E842,0.30 part of release agent BYK333, levelling agent 0.30 part of BYK4510,0.08 part of dispersing agent.Specific paint ingredient ratio please refers to table 1, divides after adding each material by high speed It dissipates, obtains finely dispersed coating.
(2) preparation of glass card is imitated:
It is coated with one layer of priming coat in the one side of original paper layer, aqueous imitative glass card coating, control coating are coated on priming coat Uniformly, dry imitative glass card after coating.Crucial physical property measurement is carried out to imitative glass card, see Table 2 for details for test result.
Experimental example 3:
(1) preparation of coating:
Prepare 70 parts of grinding calcium carbonate (GCC97), 30 parts of winnofil (PCC), 60 parts of SA/SB lotion, PVA 0.20 Part, 0.50 part of CMC, 0.30 part of lubricant, 0.50 part of wet strength agent, 0.60 part of optical brightener E842, release agent BYK333 0.50 Part, 0.10 part of levelling agent BYK4510,0.08 part of dispersing agent.Specific paint ingredient ratio please refers to table 1, passes through after adding each material High speed dispersion is crossed, finely dispersed coating is obtained.
(2) preparation of glass card is imitated:
It is coated with one layer of priming coat in the one side of original paper layer, aqueous imitative glass card coating, control coating are coated on priming coat Uniformly, dry imitative glass card after coating.Crucial physical property measurement is carried out to imitative glass card, see Table 2 for details for test result.
Table 1: the aqueous imitative glass card paint ingredient of experimental example 1-3 matches table
Serial number Ingredient Experimental example 1 Experimental example 2 Experimental example 3
1 GCC97 100 80 70
2 Clay / 20 /
3 PCC / / 30
4 SA/SB lotion 40 50 60
5 PVA 0.2 0.2 0.2
6 CMC 0.5 0.5 0.5
7 Lubricant 0.3 0.3 0.3
8 Wet strength agent 0.5 0.5 0.5
9 Optical brightener E842 0.4 0.5 0.6
10 Release agent BYK333 0.3 0.3 0.5
11 Levelling agent BYK4510 0.1 0.3 0.1
12 Dispersing agent 0.08 0.08 0.08
Table 2: experimental example 1-3 and comparative example imitate glass card physical parameter table
By above data it is found that aqueous imitative glass card coating provided by the present application can substitute existing PET film, reach phase Same folding line effect, intensity and luster effect, can process on the same equipment, have recuperability and cost advantage, tool Body please refers to Fig. 6 and Fig. 7, and Fig. 6 is the imitative glass card schematic surface of existing PET film, and Fig. 7 is the imitative glass card surface signal of the application Figure.
It can also be coated with varnish in imitative glass card paint film surface twice in the application, the ingredient that can regulate and control varnish liquid is real Color of object needed for incumbent meaning, and increase glossiness, so that the final glossiness of product can achieve 90% or more.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (10)

1. a kind of aqueous imitative glass card coating, which is characterized in that the aqueous imitative glass card coating include: 100 parts pigment, 40~60 The latex, 0.1~0.3 part of levelling agent and 0.4~0.6 part of optical brightener of part.
2. aqueous imitative glass card coating according to claim 1, which is characterized in that the aqueous imitative glass card coating further include: 0.3~0.5 part of release agent, 0.2~0.5 part of polyvinyl alcohol, 0.5~1.0 part of carboxymethyl cellulose.
3. aqueous imitative glass card coating according to claim 2, which is characterized in that the aqueous imitative glass card coating further include: 0.3~0.5 part of lubricant, 0.5~1.0 part of wet strength agent, 0.08~1.20 part of dispersing agent.
4. aqueous imitative glass card coating according to claim 1, which is characterized in that the pigment is grinding calcium carbonate, precipitating One or more of calcium carbonate, china clay, calcined earth;The latex is styrene-butadiene latex, in styrene-acrylic latex, hydroxyl styrene-butadiene latex It is one or more of.
5. a kind of imitative glass card, which is characterized in that the imitative glass card includes: original paper layer and paint film, and the paint film includes Aqueous imitative glass card coating, the aqueous imitative glass card coating include: 100 parts of pigment, 40~60 parts of latex, 0.1~0.3 part Levelling agent and 0.4~0.6 part of optical brightener.
6. imitative glass card according to claim 5, which is characterized in that the imitative glass card further include be located at the paint film it On layer of varnish.
7. imitative glass card according to claim 5, which is characterized in that the imitative glass card further includes being located at the original paper layer and institute State the priming coat between paint film.
8. a kind of preparation method of imitative glass card, which is characterized in that the described method includes:
Aqueous imitative glass card coating is provided, the aqueous imitative glass card coating includes: 100 parts of pigment, 40~60 parts of latex, 0.1 ~0.3 part of levelling agent and 0.4~0.6 part of optical brightener;
Body paper is provided, coats the aqueous imitative glass card coating in at least one side of the body paper;
The dry, press polish by the cardboard after coating, obtains imitative glass card.
9. the preparation method of imitative glass card according to claim 8, which is characterized in that at least one side in body paper coats After the aqueous imitative glass card coating further include:
Layer of varnish is coated on the paint film.
10. the preparation method of imitative glass card according to claim 9, which is characterized in that described to be coated on paint film Layer of varnish includes:
It is coated with to form layer of varnish using rubber roller or anilox roll.
CN201910120665.9A 2019-02-18 2019-02-18 The aqueous imitative glass card coating of one kind, imitative glass card and preparation method thereof Pending CN109868679A (en)

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Application publication date: 20190611