CN106320080B - A kind of coating and coating paper - Google Patents

A kind of coating and coating paper Download PDF

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Publication number
CN106320080B
CN106320080B CN201610873003.5A CN201610873003A CN106320080B CN 106320080 B CN106320080 B CN 106320080B CN 201610873003 A CN201610873003 A CN 201610873003A CN 106320080 B CN106320080 B CN 106320080B
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China
Prior art keywords
coating
paper
parts
nbr latex
bentonite
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CN201610873003.5A
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Chinese (zh)
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CN106320080A (en
Inventor
缪建良
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Foshan Lizheng New Materials Co ltd
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Wuxi Changan Shuguang Glove Factory
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Priority to CN201610873003.5A priority Critical patent/CN106320080B/en
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/14Non-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
    • D21H21/28Colorants ; Pigments or opacifying agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/36Coatings with pigments
    • D21H19/38Coatings with pigments characterised by the pigments
    • D21H19/40Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/36Coatings with pigments
    • D21H19/44Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/36Coatings with pigments
    • D21H19/44Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/60Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters

Abstract

The present invention provides a kind of coating and coating paper, institute's coating includes polyvinyl alcohol, phenylethene modified NBR latex, coating starch, p-methyl benzenesulfonic acid and bentonite;The composition of the component by weight are as follows: 100 parts of polyvinyl alcohol, 10~15 parts of phenylethene modified NBR latex, 5~10 parts of coating starch, 5~10 parts of p-methyl benzenesulfonic acid and 10~20 parts of bentonite;Wherein, the bentonite is to be obtained by natural montmorillonite by cationic activation modification.The present invention is by adding phenylethene modified NBR latex, coating is made using the synergistic effect of phenylethene modified NBR latex and polyvinyl alcohol, make that not only there is good physical property using the coating paper of the coating, while it can still keep smooth under the conditions of 80~100 DEG C, fold do not occur.

Description

A kind of coating and coating paper
Technical field
The present invention relates to pulp technology for making paper, more particularly to a kind of coating and coating paper.
Background technique
Current numerial code spray drawing technology has occupied the main market in commercial printing field, with the continuous breakthrough of digital product technology, Requirement to digital spray printed effect and printing rate is also higher and higher, thus to the quality requirement of spray printed paper product Also increasingly harsh, the especially requirement to glossiness and rate of drying.
The pigment of the numerial code spray drawing coated paper for printing coating of current high rate of drying is mainly with silica or alumina silicate Based on system, silica is that absorbency is strong with the advantages of silicic acid aluminized coating, but blotting amount is excessive when spray printed, and ink is big It infiltrates into inside paper more, and coating surface ink fixation is few, imaged color saturation degree is low, and printing is coarse, glossiness is low.
CN 104389239A discloses a kind of coating and coating paper, and the coating includes polyvinyl alcohol, bentonite and water, The bentonite is to be obtained by natural montmorillonite by cationic activation modification.Although using coating paper made from the coating With preferable glossiness and pull-out capacity, but it easily occurs fold at 60 DEG C or more, and then paper is in spray printed process In use.Summary of the invention
For first by technology the problem of, the present invention provides a kind of coating and coating paper, pass through addition benzene second Alkene is modified NBR latex, and coating is made using the synergistic effect of phenylethene modified NBR latex and polyvinyl alcohol, makes using described The coating paper of coating not only has good physical property, while it can still keep smooth under the conditions of 80~100 DEG C, not occur Fold.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of coating, the coating include polyvinyl alcohol, phenylethene modified nitrile rubber Cream, coating starch, p-methyl benzenesulfonic acid, bentonite and water;The composition of the component by weight are as follows:
Wherein, the parts by weight of phenylethene modified NBR latex can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts etc.; The parts by weight of coating starch can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts etc.;The parts by weight of p-methyl benzenesulfonic acid can be 5 parts, 6 Part, 7 parts, 8 parts, 9 parts or 10 parts etc.;Bentonitic parts by weight can be 10 parts, 12 parts, 14 parts, 16 parts, 18 parts or 20 parts etc..
Wherein, the bentonite is to be obtained by natural montmorillonite by cationic activation modification.
As the preferred technical solution of the present invention, the bentonite be by natural montmorillonite by sodium ion activation modification and Obtain sodium bentonite.
Preferably, the composition of each component by weight in the coating are as follows:
As the preferred technical solution of the present invention, the coating further includes ethyl alcohol, and the ethyl alcohol is 15~50 mass parts.
As the preferred technical solution of the present invention, the coating further includes glyoxal, and the glyoxal is 0.1~2 mass Part.
As the preferred technical solution of the present invention, the coating further includes defoaming agent, and the defoaming agent is 0.1~1 mass Part.
As the preferred technical solution of the present invention, the degree of polymerization of the polyvinyl alcohol is 300~2500.
Preferably, the solid content of the coating is 15~18%, such as 15%, 16%, 17% or 18% etc..
As the preferred technical solution of the present invention, the phenylethene modified NBR latex the preparation method comprises the following steps: by styrene First segment is carried out under 50~60 DEG C and 1~2Mpa of pressure with butadiene acrylonitrile rubber cream to react, the reaction time is 30~50min;It heats up again Second segment reaction is carried out under to 100~120 DEG C and 1~2Mpa, reacts 60~80min, phenylethene modified NBR latex is made.
Wherein, the temperature of first segment reaction can be 50 DEG C, 52 DEG C, 54 DEG C, 56 DEG C, 58 DEG C or 60 DEG C etc.;First segment reaction Pressure can be for 1Mpa, 1.2Mpa, 1.4Mpa, 1.6Mpa, 1.8Mpa or 2Mpa etc.;The first segment reaction time can for 30min, 35min, 40min, 45min or 50min etc.;Second segment reaction temperature can be 100 DEG C, 105 DEG C, 110 DEG C, 115 DEG C or 120 DEG C Deng;Second segment reaction pressure can be 1Mpa, 1.2Mpa, 1.4Mpa, 1.6Mpa, 1.8Mpa or 2Mpa etc.;The second segment reaction time It can be 60min, 65min, 70min, 75min or 80min etc..
Second aspect, the present invention provides a kind of coating paper, including base paper, there are two opposite appearances for the base paper tool Face has at least one outer surface of the base paper and is formed by coating layer by above-mentioned coating.
Wherein, the coating weight of the coating paper is 2~15 grams every square metre.
The beneficial effects of the present invention are:
By adding phenylethene modified NBR latex, the synergistic effect of phenylethene modified NBR latex and polyvinyl alcohol is utilized Coating is made, makes the coating paper using the coating that not only there is good physical property, glossiness is up to 96%, roughness It is 1.5 μm reachable, burst index 7Kgf/cm2, out-of-flatness is kept in 80~100 DEG C, fold does not occur.
Specific embodiment
Below by specific embodiment, the present invention will be further described:
Embodiment 1: the preparation of phenylethene modified NBR latex
Styrene is carried out first segment with butadiene acrylonitrile rubber cream to react under 55 DEG C and pressure 1.5Mpa, reaction time 40min; It is warming up under 110 DEG C and 1.5Mpa again and carries out second segment reaction, reacted 70min, phenylethene modified NBR latex is made.
Embodiment 2: the preparation of phenylethene modified NBR latex
Styrene is carried out first segment with butadiene acrylonitrile rubber cream to react under 50 DEG C and pressure 1Mpa, reaction time 30min;Again It is warming up under 100 DEG C and 1Mpa and carries out second segment reaction, react 60min, phenylethene modified NBR latex is made.
Embodiment 3: the preparation of phenylethene modified NBR latex
Styrene is carried out first segment with butadiene acrylonitrile rubber cream to react under 60 DEG C and pressure 2Mpa, reaction time 50min;Again It is warming up under 120 DEG C and 2Mpa and carries out second segment reaction, react 80min, phenylethene modified NBR latex is made.
Embodiment 4: the preparation of coating and coated paper
Coating in the present embodiment includes that the 100 mass parts degree of polymerization change for 700 polyvinyl alcohol, the styrene of 13 mass parts Property NBR latex (in embodiment 1 be made), the coating starch of 6 mass parts, the p-methyl benzenesulfonic acid of 7 mass parts, 15 mass parts sodium matter Bentonite, 15 mass parts ethyl alcohol, 0.5 mass parts glyoxal and 0.5 mass parts defoaming agent, the solid content of the coating is 17%;
Coating paper coating weight is 2g/m in the present embodiment2, coating is coated on base paper surface by way of wire rod, is passed through 120 DEG C infrared to add 125 DEG C of heated-air dryings and obtain, the base weight of base paper is 120g/m2
The glossiness of coating paper made from the present embodiment is 97%, and roughness is up to 1.3 μm, burst index 7Kgf/ cm2, out-of-flatness is kept in 80~100 DEG C, fold does not occur.
Embodiment 5: the preparation of coating and coated paper
Coating in the present embodiment includes that the 100 mass parts degree of polymerization change for 700 polyvinyl alcohol, the styrene of 15 mass parts Property NBR latex (in embodiment 2 be made), the coating starch of 10 mass parts, the p-methyl benzenesulfonic acid of 10 mass parts, 20 mass parts sodium Matter bentonite, 30 mass parts ethyl alcohol, 0.5 mass parts glyoxal and 0.5 mass parts defoaming agent, the solid content of the coating is 15%;
Coating paper coating weight is 2g/m in the present embodiment2, coating is coated on base paper surface by way of wire rod, is passed through 120 DEG C infrared to add 125 DEG C of heated-air dryings and obtain, the base weight of base paper is 120g/m2
The glossiness of coating paper made from the present embodiment is 96%, and roughness is up to 1.5 μm, burst index 8Kgf/ cm2, out-of-flatness is kept in 80~100 DEG C, fold does not occur.
Embodiment 6: the preparation of coating and coated paper
Coating in the present embodiment includes that the 100 mass parts degree of polymerization change for 700 polyvinyl alcohol, the styrene of 10 mass parts Property NBR latex (in embodiment 3 be made), the coating starch of 5 mass parts, the p-methyl benzenesulfonic acid of 5 mass parts, 10 mass parts sodium matter Bentonite, 30 mass parts ethyl alcohol, 0.5 mass parts glyoxal and 0.5 mass parts defoaming agent, the solid content of the coating is 18%;
Coating paper coating weight is 2g/m in the present embodiment2, coating is coated on base paper surface by way of wire rod, is passed through 120 DEG C infrared to add 125 DEG C of heated-air dryings and obtain, the base weight of base paper is 120g/m2
The glossiness of coating paper made from the present embodiment is 96%, and roughness is up to 1.4 μm, burst index 7Kgf/ cm2, out-of-flatness is kept in 80~100 DEG C, fold does not occur.
Comparative example 1:
Embodiment 1 in CN 104389239A, the glossiness of coating paper obtained are 96%, pleat occur when in 70 DEG C Wrinkle.
Comparative example 2:
In this comparison other than not adding phenylethene modified NBR latex in coating, unclassified stores dosage and preparation method are equal In the same manner as in Example 4, the glossiness of coating paper obtained is 93%, and roughness is 1.7 μm, burst index 3Kgf/cm2, There is fold at 70 DEG C.
Comparative example 3:
In this comparison other than not adding coating starch in coating, unclassified stores dosage and preparation method with embodiment 4 In it is identical, the glossiness of coating paper obtained is 91%, and roughness is up to 1.9 μm, burst index 3Kgf/cm2, at 70 DEG C There is fold.
Comparative example 4:
In this comparison other than not adding p-methyl benzenesulfonic acid in coating, unclassified stores dosage and preparation method are and embodiment Identical in 4, the glossiness of coating paper obtained is 94%, and roughness is up to 1.9 μm, burst index 3Kgf/cm2, at 60 DEG C Under there is fold.
The result of integrated embodiment 1-6 and comparative example 1-4 can be seen that the present invention by adding phenylethene modified nitrile rubber Cream is made coating using the synergistic effect of phenylethene modified NBR latex and polyvinyl alcohol, makes the coating paper using the coating Not only there is good physical property, glossiness is up to 96%, and roughness is up to 1.5 μm, burst index 7Kgf/cm2, Out-of-flatness is kept in 80~100 DEG C, fold does not occur.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this Equivalent structure or equivalent flow shift made by description of the invention content is applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.

Claims (9)

1. a kind of coating, which is characterized in that the coating by polyvinyl alcohol, phenylethene modified NBR latex, coating starch, to first Benzene sulfonic acid and bentonite composition;The composition of the component by weight are as follows:
Wherein, the bentonite is to be obtained by natural montmorillonite by cationic activation modification;
The solid content of the coating is 15~18%;
The phenylethene modified NBR latex the preparation method comprises the following steps: by styrene and NBR latex in 50~60 DEG C and pressure 1~ First segment reaction is carried out under 2Mpa, the reaction time is 30~50min;It is warming up under 100~120 DEG C and 1~2Mpa again and carries out Second-stage reaction reacts 60~80min, phenylethene modified NBR latex is made.
2. coating according to claim 1, which is characterized in that the bentonite is living by sodium ion by natural montmorillonite Change modification and obtains sodium bentonite.
3. coating according to claim 1, which is characterized in that the composition of each component by weight in the coating are as follows:
4. coating according to claim 1 or 2, which is characterized in that the coating further includes ethyl alcohol, the ethyl alcohol be 15~ 50 mass parts.
5. coating according to claim 1 or 2, which is characterized in that the coating further includes glyoxal, and the glyoxal is 0.1~2 mass parts.
6. coating according to claim 1 or 2, which is characterized in that the coating further includes defoaming agent, and the defoaming agent is 0.1~1 mass parts.
7. coating according to claim 1 or 2, which is characterized in that the degree of polymerization of the polyvinyl alcohol is 300~2500.
8. a kind of coating paper, including base paper, there are two opposite outer surfaces for the base paper tool, which is characterized in that the base paper Have at least one outer surface and coating layer is formed by by coating of any of claims 1 or 2.
9. coating paper according to claim 8, which is characterized in that the coating weight of the coating paper is 2~15 grams every square Rice.
CN201610873003.5A 2016-09-30 2016-09-30 A kind of coating and coating paper Active CN106320080B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610873003.5A CN106320080B (en) 2016-09-30 2016-09-30 A kind of coating and coating paper

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Application Number Priority Date Filing Date Title
CN201610873003.5A CN106320080B (en) 2016-09-30 2016-09-30 A kind of coating and coating paper

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Publication Number Publication Date
CN106320080A CN106320080A (en) 2017-01-11
CN106320080B true CN106320080B (en) 2019-01-25

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080187691A1 (en) * 2007-02-07 2008-08-07 S.D. Warren Company Rapid Ink Drying Papers
EP1964969B1 (en) * 2007-02-27 2018-07-11 Cargill, Incorporated Coating compositions
EA017396B1 (en) * 2007-07-09 2012-12-28 Саппи Нидерландс Сервисез Б.В. Paper for offset printing
KR101666005B1 (en) * 2009-08-12 2016-10-13 뉴페이지 코포레이션 Inkjet recording medium
CN104389239A (en) * 2014-09-28 2015-03-04 金东纸业(江苏)股份有限公司 Paint and coated paper
CN105274897B (en) * 2015-10-27 2017-12-12 广西大学 A kind of preparation method of ink-jet measurements of Digital Printing Papers coating

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Effective date of registration: 20190329

Address after: 528226 No. 3, No. 4 Road, Luocun Lianhe and West District, Shishan Town, Nanhai District, Foshan City, Guangdong Province

Patentee after: Foshan Lizheng Paper Co.,Ltd.

Address before: 214177 Huishan District, Wuxi, Jiangsu Province, Yan Bridge Street, Changan community friendship Street 88.

Patentee before: WUXI CHANG'AN SHUGUANG GLOVES FACTORY

TR01 Transfer of patent right
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Address after: 528000 No. 6, Shuikeng Street, Middle Third Ring Road, Shishan Town, Nanhai District, Foshan City, Guangdong Province

Patentee after: Foshan Lizheng New Materials Co.,Ltd.

Address before: 528226 No. 3, No. 4 Road, Luocun Lianhe and West District, Shishan Town, Nanhai District, Foshan City, Guangdong Province

Patentee before: Foshan Lizheng Paper Co.,Ltd.

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