CN110241659A - Bottoming water paint and preparation method thereof before a kind of wrapping paper prints - Google Patents
Bottoming water paint and preparation method thereof before a kind of wrapping paper prints Download PDFInfo
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- CN110241659A CN110241659A CN201910527589.3A CN201910527589A CN110241659A CN 110241659 A CN110241659 A CN 110241659A CN 201910527589 A CN201910527589 A CN 201910527589A CN 110241659 A CN110241659 A CN 110241659A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- 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
- 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
-
- 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
- D21H27/10—Packing paper
Abstract
The invention belongs to technical field of coatings, and in particular to bottoming water paint and preparation method thereof before a kind of wrapping paper prints；The coating raw material includes: deionized water, alcohol, styrol copolymer, acrylic resin and auxiliary agent；Wherein, the styrol copolymer is that at least one of styrene and butyl acrylate, methyl methacrylate, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate monomer polymerization form；The monomer for preparing of the acrylic resin includes: butyl acrylate, methyl methacrylate, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate；The coating is to be suitble to the printing of the high paper products of environmental requirements such as tobacco and wine, cosmetics, daily necessities without to substances such as the toxic benzene class of human body and methanol, having that printing adaptability is good, attachment fastness is good, surface of the paint film brightness is high and the advantages such as rub resistance.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to bottoming water paint and its system before a kind of wrapping paper prints
Preparation Method.
Background technique
With the growth of national economy, the demand of packages printing is also greatly increased, packaging paper product due to low pollution and
Recoverable is widely used in the outer packing of the products such as cosmetics, daily necessities, tobacco and wine.As high-grade printing,
Not only to have environmental protection and good printing printing quality, but also quite high want also proposed to the base stock for printed matter
It asks, that is, must assure that base stock used in printed matter has excellent smoothness, ductile strength, glossiness, all kinds of effect form and aspect sense organs
Deng.The cause for influencing packages printing paper quality is known as very much, including body paper, coating and coating process etc., wherein coating it is various at
The characteristic divided, improves the appearance of paper and the physicochemical characteristic of paper, directly influences the gloss of paper, appearance clarity, prevents
The performances such as bacterium, wear-resisting, printing adaptability.Primer base mostly complicated component before existing printing, is unfavorable for quality control；And
And there are ink printing not firm, firmness when UV offset printing is poor and Electrostatic Absorption influences that paper feed is unsmooth, print nest position is inaccurate
Etc. bad phenomenons.
Summary of the invention
In order to solve the above-mentioned technical problem, bottoming is with aqueous before printing the purpose of the present invention is to provide a kind of wrapping paper
Coating and preparation method thereof.
The technical scheme adopted by the invention is that:
A kind of preceding bottoming water paint of wrapping paper printing, in parts by weight, comprising: 10~20 parts of deionized water, alcohol
5~16 parts, 10~40 parts of styrol copolymer, 40~80 parts of acrylic resin and 1~15 part of auxiliary agent；
Wherein, the styrol copolymer is that styrene and butyl acrylate, methyl methacrylate, acrylic acid are different pungent
At least one of ester, methacrylic acid, polyester acrylate and glycidyl methacrylate are polymerized；
The acrylic resin prepare monomer include: butyl acrylate, methyl methacrylate, Isooctyl acrylate monomer,
Methacrylic acid, polyester acrylate and glycidyl methacrylate；
The auxiliary agent includes coalescing agent, dispersion aids and antifoam additives.
Further, bottoming water paint before a kind of wrapping paper prints, in parts by weight, comprising: deionized water
10~15 parts, 5~10 parts of alcohol, 20~40 parts of styrol copolymer, 50~80 parts of acrylic resin and 1~5 part of auxiliary agent.
Further, the alcohol is edible alcohol.
Further, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene (HDPE)
Wax, the antifoam additives are polysiloxanes or polyether silicone.
Further, in parts by weight, the coalescing agent is 0.3~4 part, and the dispersion aids are 0.6~8 part,
The antifoam additives are 0.1~3 part.
Further, the styrol copolymer prepares monomer, in parts by weight, comprising: and butyl acrylate 120~
220 parts, 40~80 parts of methyl methacrylate, 70~130 parts of styrene, 40~120 parts of Isooctyl acrylate monomer, metering system
5~15 parts of acid, 20~40 parts of polyester acrylate and 2~8 parts of glycidyl methacrylate.
Further, the styrol copolymer prepares monomer, in parts by weight, comprising: 170 parts of butyl acrylate,
60 parts of methyl methacrylate, 100 parts of styrene, 80 parts of Isooctyl acrylate monomer, 10 parts of methacrylic acid, polyester acrylate
30 parts and 5 parts of glycidyl methacrylate.
Further, the raw material for preparing of the styrol copolymer further includes emulsifier, initiator and defoaming agent；It is preferred that
Ground, the emulsifier are fatty alcohol polyoxyethylene ether ammonium sulfate and double dodecenyl succinic sodium sulfonates, and the initiator is over cure
Sour ammonium, the defoaming agent are ammonium hydroxide.
Further, in parts by weight, the raw material for preparing of the styrol copolymer further includes 9~15 parts of emulsifier, draws
Send out 1~5 part and 2~8 parts of defoaming agent of agent.
Further, the raw material for preparing of the styrol copolymer further includes sodium bicarbonate, tert-butyl hydroperoxide, carving
White powder and deionized water.
Further, in parts by weight, the raw material for preparing of the styrol copolymer further includes sodium bicarbonate 0.5~5.5
Part, 0.5~5.5 part of tert-butyl hydroperoxide, 0.2~3.8 part of rongalite and 471~569 parts of deionized water.
Further, the acrylic resin prepares monomer, in parts by weight, comprising: butyl acrylate 150~250
Part, 80~180 parts of methyl methacrylate, 60~100 parts of Isooctyl acrylate monomer, 10~20 parts of methacrylic acid, polyester
20~40 parts and 1~5 part of glycidyl methacrylate of acid esters.
Further, the acrylic resin prepares raw material, in parts by weight, comprising: 200 parts of butyl acrylate, first
130 parts of base methyl acrylate, 80 parts of Isooctyl acrylate monomer, 15 parts of methacrylic acid, 30 parts of polyester acrylate and metering system
3 parts of acid glycidyl ester.
Further, the raw material for preparing of the acrylic resin further includes emulsifier, initiator and defoaming agent, the cream
Agent is fatty alcohol polyoxyethylene ether ammonium sulfate and double dodecenyl succinic sodium sulfonates, and the initiator is ammonium persulfate, described
Defoaming agent is ammonium hydroxide.
Further, in parts by weight, the raw material for preparing of the acrylic resin further includes 9~15 parts of emulsifier, causes
1~5 part and 2~8 parts of defoaming agent of agent.
Further, the acrylic resin prepare raw material further include sodium bicarbonate, tert-butyl hydroperoxide, carving it is white
Powder and deionized water.
Further, in parts by weight, the raw material for preparing of the acrylic resin further includes sodium bicarbonate 0.5~5.5
Part, 0.5~5.5 part of tert-butyl hydroperoxide, 0.2~3.8 part of rongalite and 466~566 parts of deionized water.
The preparation method of bottoming water paint before being printed the present invention also provides a kind of wrapping paper, comprising the following steps:
1) antifoam additives are added in deionized water and alcohol after mixing, obtain cosolvent；
2) coalescing agent is added in styrol copolymer, acrylic resin and dispersion aids after mixing, then slowly adds
Enter the cosolvent, filter to obtain the final product.
Further, the preparation method of the styrol copolymer, comprising the following steps:
1) after 75~85% emulsifier is mixed with 30~40% deionized water, butyl acrylate, metering system is added
Sour methyl esters, styrene, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, cream
Change 30~60min and obtains uniform and stable pre-emulsion；
2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 2~8% pre-emulsion is added,
75~83 DEG C are warming up to, obtains seed emulsion after 20~30% initiator for reaction is added；
3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete
In 83~88 DEG C of 40~80min of heat preservation, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 30~60min,
It is cooled to 40~50 DEG C of addition defoaming agents again, filters to obtain the final product.
Further, the preparation method of the styrol copolymer, comprising the following steps:
1) after 80% emulsifier is mixed with 35% deionized water, be added butyl acrylate, methyl methacrylate,
Styrene, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, emulsification 30~
60min obtains uniform and stable pre-emulsion；
2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 5% pre-emulsion is added, rises
Temperature obtains seed emulsion after 25% initiator for reaction is added to 75~83 DEG C；
3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete
In 83~88 DEG C of heat preservation 60min, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 45min, then be cooled to
45 DEG C of addition defoaming agents, are filtered to obtain the final product.
Further, the preparation method of the acrylic resin, comprising the following steps:
1) after 75~85% emulsifier is mixed with 30~40% deionized water, butyl acrylate, metering system is added
Sour methyl esters, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, emulsification 30~
60min obtains uniform and stable pre-emulsion；
2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 2~8% pre-emulsion is added,
75~83 DEG C are warming up to, obtains seed emulsion after 20~30% initiator for reaction is added；
3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete
In 83~88 DEG C of 40~80min of heat preservation, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 30~60min,
It is cooled to 40~50 DEG C of addition defoaming agents again, filters to obtain the final product.
Further, the preparation method of the acrylic resin, comprising the following steps:
1) after 80% emulsifier is mixed with 35% deionized water, be added butyl acrylate, methyl methacrylate,
Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, 30~60min of emulsification are obtained
Uniform and stable pre-emulsion；
2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 5% pre-emulsion is added, rises
Temperature obtains seed emulsion after 25% initiator for reaction is added to 75~83 DEG C；
3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete
In 83~88 DEG C of heat preservation 60min, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 45min, then be cooled to
45 DEG C of addition defoaming agents, are filtered to obtain the final product.
Further, in the step 1), deionized water at the uniform velocity mixes under conditions of 300~500 turns/min with alcohol
10~20min.
Further, in the step 2), styrol copolymer, acrylic resin and dispersion aids are in closed container
In, 25~35min is at the uniform velocity mixed under conditions of 700~800 turns/min.
Beneficial effects of the present invention:
1, bottoming water paint before a kind of wrapping paper of the invention prints is Environmental Protective Water-paint, without having to human body
The benzene class and the substances such as methanol of poison, have that printing adaptability is good, attachment fastness is good, surface of the paint film brightness is high and rub resistance etc. is excellent
Gesture is particularly suitable for the printing of the high paper products of environmental requirements such as tobacco and wine, cosmetics, daily necessities.
2, bottoming water paint, utilizes styrol copolymer and acrylic acid tree before a kind of wrapping paper of the invention prints
The soft of rouge difference TG point, hardness cooperation, styrol copolymer and acrylic resin physical mixed are dispersed, and ingredient is simple, is easy to
Quality control, at low cost and suitable industrialized production.
3, bottoming water paint before a kind of wrapping paper of the invention prints, it is preferred to use edible alcohol is as solvent, and two
Propylene glycol monomethyl ether as coalescing agent, high density polyethylene waxes as dispersion aids, polysiloxanes as antifoam additives,
The product being prepared meets YQ 69-2015 tobacco shred and box packaging paper safety and health request.
Specific embodiment
Below in conjunction with specific embodiment, technical scheme is described further, but the present invention is not limited to
These specific embodiments.Material used in embodiment, reagent etc., are commercially available unless otherwise specified.
Embodiment 1
The preparation of styrol copolymer
1) after 9.6g emulsifier is mixed with the deionized water of 181.7g, butyl acrylate 170g, methyl methacrylate is added
Ester 60g, styrene 100g, Isooctyl acrylate monomer 80g, methacrylic acid 10g, polyester acrylate 30g and methacrylic acid contracting
Water glyceride 5g, emulsification 40min obtain uniform and stable pre-emulsion；
2) after remaining 2.4g emulsifier and 337.3g deionized water being mixed with 2g sodium bicarbonate, be added 5% it is described
Pre-emulsion is warming up to 80 DEG C, obtains seed emulsion after the initiator for reaction of 0.75g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 2.25g is added dropwise, it drips
In 85 DEG C of heat preservation 60min after, after in 70 DEG C of dropwise addition 3g tert-butyl hydroperoxide and 2g rongalite keep the temperature 45min, then be cooled to
45 DEG C of addition 4g defoaming agents, are filtered to obtain the final product.
Wherein, emulsifier is 4g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 8g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
The preparation of acrylic resin
1) after 9.6g emulsifier is mixed with the deionized water of 180.6g, 200g butyl acrylate, 130g metering system is added
Sour methyl esters, 80g Isooctyl acrylate monomer, 15g methacrylic acid, 30g polyester acrylate and 3g methyl propenoic acid glycidyl
Ester, emulsification 50min obtain uniform and stable pre-emulsion；
2) after remaining 2.4g emulsifier and 335.4g deionized water being mixed with 2g sodium bicarbonate, be added 5% it is described
Pre-emulsion is warming up to 78 DEG C, obtains seed emulsion after 0.75g initiator for reaction is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 2.25g is added dropwise, it drips
In 86 DEG C of heat preservation 60min after, after in 68 DEG C of dropwise addition 3g tert-butyl hydroperoxide and 2g rongalite keep the temperature 45min, then be cooled to
45 DEG C of addition 4g defoaming agents filter up to
Wherein, emulsifier is 4g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 8g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
The preparation of bottoming water paint before wrapping paper prints
1) 18g deionized water at the uniform velocity mixes 15min under conditions of 400 turns/min with 14.8g edible alcohol, is added
1.2g antifoam additives continue to stir 10min, obtain cosolvent；
2) 12.1g styrol copolymer, 43.9g acrylic resin and 6g dispersion aids are in closed container, in 750
Turn/min under conditions of at the uniform velocity mix 30min, 4g coalescing agent is added and stirs 20min, revolving speed is adjusted to 600 turns/min and is delayed again
Slowly the cosolvent is added, 15min is persistently dispersed after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 24%；Viscosity number CNDB-4 paint cup is 6.9 seconds；PH value is 7；Film forming
Surface tension value is 40 dynes；Adhesive force is reached using printing ink " baige method " cooperation 3M adhesive tape test to be required；Meet YQ 69-
2015 standards (tobacco shred and box packaging paper safety and health request)；It is used for cigarette cardboard coating, surface of the paint film brightness is high, resistance to
Degree of friction is good, adhesion-tight, meets subsequent recoating printing performance.
Embodiment 2
The preparation of styrol copolymer
1) after 11.25g emulsifier is mixed with the deionized water of 169.9g, butyl acrylate 120g, methacrylic acid is added
Methyl esters 80g, styrene 130g, Isooctyl acrylate monomer 40g, methacrylic acid 15g, polyester acrylate 20g and methacrylic acid
Ethylene oxidic ester 8g, emulsification 30min obtain uniform and stable pre-emulsion；
2) after mixing remaining 3.75g emulsifier and 389.3g deionized water with 5.5g sodium bicarbonate, it is added 2%
The pre-emulsion is warming up to 75 DEG C, obtains seed emulsion after the initiator for reaction of 0.3g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 0.7g is added dropwise, it drips
In 83 DEG C of heat preservation 80min after, after in 68 DEG C of dropwise addition 0.5g tert-butyl hydroperoxide and 3.8g rongalite keep the temperature 30min, then drop
Temperature is filtered to 50 DEG C of addition 2g defoaming agents to obtain the final product.
Wherein, emulsifier is 5g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 10g；Cause
Agent is ammonium persulfate, and defoaming agent is ammonium hydroxide.
The preparation of acrylic resin
1) after 11.25g emulsifier is mixed with the deionized water of 155.2g, 150g butyl acrylate, 180g methyl-prop is added
E pioic acid methyl ester, 60g Isooctyl acrylate monomer, 20g methacrylic acid, 40g polyester acrylate and 5g methyl propenoic acid glycidyl
Ester, emulsification 50min obtain uniform and stable pre-emulsion；
2) after mixing remaining 3.75g emulsifier and 362g deionized water with 5.5g sodium bicarbonate, 2% institute is added
Pre-emulsion is stated, is warming up to 75 DEG C, obtains seed emulsion after the initiator for reaction of 0.3g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 0.7g is added dropwise, it drips
In 83 DEG C of heat preservation 80min after, after in 68 DEG C of dropwise addition 0.5g tert-butyl hydroperoxide and 3.8g rongalite keep the temperature 30min, then drop
Temperature is filtered to 50 DEG C of addition 2g defoaming agents to obtain the final product.
Wherein, emulsifier is 5g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 10g；Cause
Agent is ammonium persulfate, and defoaming agent is ammonium hydroxide.
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 10g deionized water at the uniform velocity mixes 10min with 5g edible alcohol under conditions of 300 turns/min, and 0.1g is added and disappears
Bubble auxiliary agent continues to stir 10min, obtains cosolvent；
2) 10g styrol copolymer, 40g acrylic resin and 0.6g dispersion aids are in closed container, in 700 turns/
25min is at the uniform velocity mixed under conditions of min, and 0.3g coalescing agent is added and stirs 18min, it is slow again that revolving speed is adjusted to 600 turns/min
The cosolvent is added, 15min is persistently dispersed after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 23.5%；Viscosity number CNDB-4 paint cup is 6.5 seconds；PH value is 6.8；
Film formation surface tension value is 38 dynes；Adhesive force is reached using printing ink " baige method " cooperation 3M adhesive tape test to be required；Meet YQ
69-2015 standard (tobacco shred and box packaging paper safety and health request)；Cigarette cardboard is used for be coated with, surface of the paint film brightness height,
Rub resistance degree is good, adhesion-tight, meets subsequent recoating printing performance.
Embodiment 3
The preparation of styrol copolymer
1) after 10.2g emulsifier is mixed with the deionized water of 227.4g, butyl acrylate 150g, methacrylic acid is added
Methyl esters 70g, styrene 80g, Isooctyl acrylate monomer 60g, methacrylic acid 12g, polyester acrylate 25g and methacrylic acid
Ethylene oxidic ester 6g, emulsification 50min obtain uniform and stable pre-emulsion；
2) after remaining 1.8g emulsifier and 341.1g deionized water being mixed with 3g sodium bicarbonate, be added 4% it is described
Pre-emulsion is warming up to 78 DEG C, obtains seed emulsion after the initiator for reaction of 1.0g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 4.0g is added dropwise, it drips
In 83 DEG C of heat preservation 80min after, after in 72 DEG C of dropwise addition 2.0g tert-butyl hydroperoxide and 2.5g rongalite keep the temperature 60min, then drop
Temperature is filtered to 40 DEG C of addition 4g defoaming agents to obtain the final product.
Wherein, emulsifier is 4g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 8g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
The preparation of acrylic resin
1) after 10.2g emulsifier is mixed with the deionized water of 205.8g, 180g butyl acrylate, 150g methyl-prop is added
E pioic acid methyl ester, 70g Isooctyl acrylate monomer, 18g methacrylic acid, 35g polyester acrylate and 4g methyl propenoic acid glycidyl
Ester, emulsification 50min obtain uniform and stable pre-emulsion；
2) after remaining 1.8g emulsifier and 308.7g deionized water being mixed with 3g sodium bicarbonate, be added 4% it is described
Pre-emulsion is warming up to 78 DEG C, obtains seed emulsion after the initiator for reaction of 1.0g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 4.0g is added dropwise, it drips
In 83 DEG C of heat preservation 80min after, after in 72 DEG C of dropwise addition 2.0g tert-butyl hydroperoxide and 2.5g rongalite keep the temperature 60min, then drop
Temperature is filtered to 40 DEG C of addition 4g defoaming agents to obtain the final product.
Wherein, emulsifier is 4g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 8g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 15g deionized water at the uniform velocity mixes 20min with 10g alcohol under conditions of 400 turns/min, and 0.5g defoaming is added
Auxiliary agent continues to stir 10min, obtains cosolvent；
2) 20g styrol copolymer, 50g acrylic resin and 2.5g dispersion aids are in closed container, in 800 turns/
35min is at the uniform velocity mixed under conditions of min, 2g coalescing agent is added and stirs 20min, and revolving speed is adjusted to 600 turns/min and is slowly added again
Enter the cosolvent, 15min is persistently dispersed after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 23.2%；Viscosity number CNDB-4 paint cup is 6.2 seconds；PH value is 6.5；
Film formation surface tension value is 36 dynes；Adhesive force is reached using printing ink " baige method " cooperation 3M adhesive tape test to be required；It is used
It is coated in printing paper, surface of the paint film brightness is high, rub resistance degree is good, adhesion-tight, meets subsequent recoating printing performance.
Embodiment 4
The preparation of styrol copolymer
1) after 12g emulsifier is mixed with the deionized water of 165g, butyl acrylate 190g, methyl methacrylate is added
50g, styrene 110g, Isooctyl acrylate monomer 100g, methacrylic acid 8g, polyester acrylate 35g and Glycidyl methacrylate
Glyceride 4g, emulsification 45min obtain uniform and stable pre-emulsion；
2) after remaining 3g emulsifier and 307.5g deionized water being mixed with 2.5g sodium bicarbonate, be added 6% it is described
Pre-emulsion is warming up to 83 DEG C, obtains seed emulsion after the initiator for reaction of 0.5g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 1.5g is added dropwise, it drips
In 88 DEG C of heat preservation 50min after, after in 72 DEG C of dropwise addition 3.5g tert-butyl hydroperoxide and 1.5g rongalite keep the temperature 30min, then drop
Temperature is filtered to 40 DEG C of addition 6g defoaming agents to obtain the final product.
Wherein, emulsifier is 5g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 10g；Cause
Agent is ammonium persulfate, and defoaming agent is ammonium hydroxide.
The preparation of acrylic resin
1) after 12g emulsifier is mixed with the deionized water of 195g, 220g butyl acrylate, 80g methyl methacrylate is added
Ester, 80g Isooctyl acrylate monomer, 10g methacrylic acid, 20g polyester acrylate and 3g glycidyl methacrylate, cream
Change 45min and obtains uniform and stable pre-emulsion；
2) after remaining 3g emulsifier and 361.5g deionized water being mixed with 2.5g sodium bicarbonate, be added 6% it is described
Pre-emulsion is warming up to 83 DEG C, obtains seed emulsion after the initiator for reaction of 0.5g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 1.5g is added dropwise, it drips
In 88 DEG C of heat preservation 50min after, after in 72 DEG C of dropwise addition 3.5g tert-butyl hydroperoxide and 1.5g rongalite keep the temperature 30min, then drop
Temperature is filtered to 40 DEG C of addition 6g defoaming agents to obtain the final product.
Wherein, emulsifier is 5g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 10g；Cause
Agent is ammonium persulfate, and defoaming agent is ammonium hydroxide.
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 15g deionized water at the uniform velocity mixes 15min with 10g alcohol under conditions of 400 turns/min, and 1.0g defoaming is added
Auxiliary agent continues to stir 10min, obtains cosolvent；
2) 30g styrol copolymer, 60g acrylic resin and 3g dispersion aids are in closed container, in 750 turns/
25min is at the uniform velocity mixed under conditions of min, 6g coalescing agent is added and stirs 20min, and revolving speed is adjusted to 600 turns/min and is slowly added again
Enter the cosolvent, 15min is persistently dispersed after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 23.8%；Viscosity number CNDB-4 paint cup is 6.7 seconds；PH value is 7；At
Film tension value is 38 dynes；Adhesive force is reached using printing ink " baige method " cooperation 3M adhesive tape test to be required；It is used for
Coated white cardboard, surface of the paint film brightness is high, rub resistance degree is good, adhesion-tight, meets subsequent recoating printing performance.
Embodiment 5
The preparation of styrol copolymer
1) after 7.65g emulsifier is mixed with the deionized water of 142.7g, butyl acrylate 220g, methacrylic acid is added
Methyl esters 40g, styrene 70g, Isooctyl acrylate monomer 120g, methacrylic acid 5g, polyester acrylate 40g and methacrylic acid
Ethylene oxidic ester 2g, emulsification 60min obtain uniform and stable pre-emulsion；
2) after mixing remaining 1.35g emulsifier and 333.1g deionized water with 0.5g sodium bicarbonate, it is added 8%
The pre-emulsion is warming up to 83 DEG C, obtains seed emulsion after the initiator for reaction of 1.2g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 2.8g is added dropwise, it drips
In 85 DEG C of heat preservation 80min after, after in 72 DEG C of dropwise addition 5.5g tert-butyl hydroperoxide and 0.2g rongalite keep the temperature 60min, then drop
Temperature is filtered to 45 DEG C of addition 8g defoaming agents to obtain the final product.
Wherein, emulsifier is 3g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 6g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
The preparation of acrylic resin
1) after 7.65g emulsifier is mixed with the deionized water of 190g, 250g butyl acrylate, 100g metering system is added
Sour methyl esters, 100g Isooctyl acrylate monomer, 15g methacrylic acid, 30g polyester acrylate and 1g methyl propenoic acid glycidyl
Ester, emulsification 50min obtain uniform and stable pre-emulsion；
2) after mixing remaining 1.35g emulsifier and 286.8g deionized water with 0.5g sodium bicarbonate, it is added 8%
The pre-emulsion is warming up to 83 DEG C, obtains seed emulsion after the initiator for reaction of 1.2g is added；
3) synchronous in Xiang Suoshu seed emulsion that initiator described in the remaining pre-emulsion and 2.8g is added dropwise, it drips
In 85 DEG C of heat preservation 80min after, after in 72 DEG C of dropwise addition 5.5g tert-butyl hydroperoxide and 0.2g rongalite keep the temperature 60min, then drop
Temperature is filtered to 45 DEG C of addition 8g defoaming agents to obtain the final product.
Wherein, emulsifier is 3g fatty alcohol polyoxyethylene ether ammonium sulfate and the bis- dodecenyl succinic sodium sulfonates of 6g；Initiator
For ammonium persulfate, defoaming agent is ammonium hydroxide.
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 20g deionized water at the uniform velocity mixes 20min with 16g edible alcohol under conditions of 500 turns/min, and 3g is added and disappears
Bubble auxiliary agent continues to stir 10min, obtains cosolvent；
2) 40g styrol copolymer, 80g acrylic resin and 8g dispersion aids are in closed container, in 800 turns/
35min is at the uniform velocity mixed under conditions of min, 4g coalescing agent is added and stirs 20min, and revolving speed is adjusted to 600 turns/min and is slowly added again
Enter the cosolvent, 15min is persistently dispersed after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polyether silicone.
The coating solids value being prepared is 24.0%；Viscosity number CNDB-4 paint cup is 7 seconds；PH value is 7；Film forming
Surface tension value is 42 dynes；Adhesive force is reached using printing ink " baige method " cooperation 3M adhesive tape test to be required；Meet YQ 69-
2015 standards (tobacco shred and box packaging paper safety and health request)；It is used for cigarette cardboard coating, surface of the paint film brightness is high, resistance to
Degree of friction is good, adhesion-tight, meets subsequent recoating printing performance.
Comparative example 1
The preparation of styrol copolymer is the same as embodiment 1；
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 18g deionized water at the uniform velocity mixes 15min under conditions of 400 turns/min with 14.8g edible alcohol, is added
1.2g antifoam additives continue to stir 10min, obtain cosolvent；
2) 12.1g styrol copolymer and 6g dispersion aids are even under conditions of 750 turns/min in closed container
Speed mixing 30min, is added 4g coalescing agent and stirs 20min, revolving speed is adjusted to 600 turns/min and is slow added into the cosolvent,
Persistently disperse 15min after the completion of being all added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 19.5%；Viscosity number CNDB-4 paint cup is 5.3 seconds；PH value is 7；At
Film tension value is 31 dynes；Adhesive force does not reach requirement using printing ink " baige method " cooperation 3M adhesive tape test.
Comparative example 2
The preparation of acrylic resin is the same as embodiment 1；
A kind of wrapping paper prints the preparation of preceding bottoming water paint
1) 18g deionized water at the uniform velocity mixes 15min under conditions of 400 turns/min with 14.8g edible alcohol, is added
1.2g antifoam additives continue to stir 10min, obtain cosolvent；
2) 43.9g acrylic resin and 6g dispersion aids are in closed container, under conditions of 750 turns/min at the uniform velocity
30min is mixed, 4g coalescing agent is added and stirs 20min, revolving speed is adjusted to 600 turns/min and is slow added into the cosolvent, entirely
Portion persistently disperses 15min after the completion of being added, filtering both obtained.
Wherein, the coalescing agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, institute
Stating antifoam additives is polysiloxanes.
The coating solids value being prepared is 18.0%；Viscosity number CNDB-4 paint cup is 5.1 seconds；PH value is 6.6；
Film formation surface tension value is 29 dynes；Adhesive force does not reach requirement using printing ink " baige method " cooperation 3M adhesive tape test；It is not inconsistent
Close YQ 69-2015 standard (tobacco shred and box packaging paper safety and health request).
Comparative example 3
The preparation of styrol copolymer: the monomer polyester acrylate in embodiment 1, other steps and parameter are eliminated
With embodiment 1；
The preparation of acrylic resin: eliminating the monomer polyester acrylate in embodiment 1, other steps and parameter are same
Embodiment 1；
The preparation of bottoming water paint is the same as embodiment 1 before a kind of wrapping paper prints.
The coating solids value being prepared is 21%；Viscosity number CNDB-4 paint cup is 5.6 seconds；PH value is 6.8；At
Film tension value is 32 dynes；It is used for cigarette cardboard coating, rub resistance degree is poor, is unsatisfactory for subsequent recoating printing performance.
It will be understood by those skilled in the art that use of the invention is not only restricted to above-mentioned specific application.Just retouch herein
State or the element-specific and/or feature described for, the present invention is also not limited to its preferred embodiment.It should be understood that
The present invention is not limited to disclosed embodiment party's case or each embodiments, and are illustrated not departing from by following following claims
It rearranges, modify and replaces with many is able to carry out in the case where the scope of the present invention of restriction.
Claims (10)
- Bottoming water paint before 1. a kind of wrapping paper prints, which is characterized in that in parts by weight, comprising: deionized water 10~ 20 parts, 5~16 parts of alcohol, 10~40 parts of styrol copolymer, 40~80 parts of acrylic resin and 1~15 part of auxiliary agent；Wherein, the styrol copolymer is styrene and butyl acrylate, methyl methacrylate, Isooctyl acrylate monomer, first At least one of base acrylic acid, polyester acrylate and glycidyl methacrylate are polymerized；The monomer for preparing of the acrylic resin includes: butyl acrylate, methyl methacrylate, Isooctyl acrylate monomer, methyl Acrylic acid, polyester acrylate and glycidyl methacrylate；The auxiliary agent includes coalescing agent, dispersion aids and antifoam additives.
- Bottoming water paint before 2. a kind of wrapping paper according to claim 1 prints, which is characterized in that the alcohol is Edible alcohol.
- Bottoming water paint before 3. a kind of wrapping paper according to claim 1 prints, which is characterized in that the film forming helps Agent is dipropylene glycol monomethyl ether, and the dispersion aids are high density polyethylene waxes, and the antifoam additives are polysiloxanes or gather Ether siloxanes.
- Bottoming water paint before 4. a kind of wrapping paper according to claim 1 prints, which is characterized in that the styrene Copolymer prepares monomer, in parts by weight, comprising: 120~220 parts of butyl acrylate, 40~80 parts of methyl methacrylate, 70~130 parts of styrene, 40~120 parts of Isooctyl acrylate monomer, 5~15 parts of methacrylic acid, 20~40 parts of polyester acrylate With 2~8 parts of glycidyl methacrylate；The raw material for preparing of the styrol copolymer further includes 9~15 parts of emulsifier, draws Send out 1~5 part and 2~8 parts of defoaming agent of agent.
- Bottoming water paint before 5. a kind of wrapping paper according to claim 1 prints, which is characterized in that the acrylic acid Resin prepares monomer, in parts by weight, comprising: 150~250 parts of butyl acrylate, 80~180 parts of methyl methacrylate, 60~100 parts of Isooctyl acrylate monomer, 10~20 parts of methacrylic acid, 20~40 parts of polyester acrylate and Glycidyl methacrylate 1~5 part of glyceride；The raw material for preparing of the acrylic resin further includes 9~15 parts of emulsifier, 1~5 part of initiator and defoaming agent 2~8 parts.
- 6. the preparation method of bottoming water paint before a kind of printing of the wrapping paper as described in any one of Claims 1 to 5, It is characterized in that, comprising the following steps:1) antifoam additives are added in deionized water and alcohol after mixing, obtain cosolvent；2) coalescing agent is added in styrol copolymer, acrylic resin and dispersion aids after mixing, is slow added into institute It states cosolvent, filters to obtain the final product.
- 7. preparation method according to claim 6, which is characterized in that the preparation method of the styrol copolymer, including Following steps:1) after 75~85% emulsifier is mixed with 30~40% deionized water, butyl acrylate, methyl methacrylate is added Ester, styrene, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, emulsification 30~ 60min obtains uniform and stable pre-emulsion；2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 2~8% pre-emulsion, heating is added To 75~83 DEG C, seed emulsion is obtained after 20~30% initiator for reaction is added；3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete in 83~ 88 DEG C of 40~80min of heat preservation, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 30~60min, then cool down To 40~50 DEG C of addition defoaming agents, filter to obtain the final product.
- 8. preparation method according to claim 6, which is characterized in that the preparation method of the acrylic resin, including with Lower step:1) after 75~85% emulsifier is mixed with 30~40% deionized water, butyl acrylate, methyl methacrylate is added Ester, Isooctyl acrylate monomer, methacrylic acid, polyester acrylate and glycidyl methacrylate, 30~60min of emulsification are obtained To uniform and stable pre-emulsion；2) after mixing remaining emulsifier and deionized water with sodium bicarbonate, 2~8% pre-emulsion, heating is added To 75~83 DEG C, seed emulsion is obtained after 20~30% initiator for reaction is added；3) synchronous in Xiang Suoshu seed emulsion that the remaining pre-emulsion and the initiator is added dropwise, after being added dropwise to complete in 83~ 88 DEG C of 40~80min of heat preservation, after in 68~72 DEG C of dropwise addition tert-butyl hydroperoxide and rongalite keep the temperature 30~60min, then cool down To 40~50 DEG C of addition defoaming agents, filter to obtain the final product.
- 9. preparation method according to claim 6, which is characterized in that in the step 1), deionized water and alcohol are 300 10~20min is at the uniform velocity mixed under conditions of~500 turns/min.
- 10. preparation method according to claim 6, which is characterized in that in the step 2), styrol copolymer, propylene Acid resin and dispersion aids at the uniform velocity mix 25~35min under conditions of 700~800 turns/min in closed container.
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| CN201910527589.3A CN110241659A (en) | 2019-06-18 | 2019-06-18 | Bottoming water paint and preparation method thereof before a kind of wrapping paper prints |
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Application publication date: 20190917 |