CN108410254A - A kind of waterborne binder and application its food obtained can contact water-based ink - Google Patents
A kind of waterborne binder and application its food obtained can contact water-based ink Download PDFInfo
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- CN108410254A CN108410254A CN201810096828.XA CN201810096828A CN108410254A CN 108410254 A CN108410254 A CN 108410254A CN 201810096828 A CN201810096828 A CN 201810096828A CN 108410254 A CN108410254 A CN 108410254A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/08—Printing inks based on natural resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/14—Printing inks based on carbohydrates
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- Macromonomer-Based Addition Polymer (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The present invention relates to technical field of ink, and in particular to a kind of waterborne binder and application its food obtained can contact water-based ink.The waterborne binder includes the raw material of following parts by weight：15 20 parts of modified rosin, 5 15 parts of starch, 0.5 5 parts of emulsified monomer, 0.5 5 parts of initiator, 0.1 2 parts of pH adjusting agent, 40 60 parts of water；Wherein, every part of emulsified monomer is made of following methods：Acrylic monomer and/or 70 90 parts of styrene monomer, 0.5 5 parts of emulsifier, 20 30 parts of water are stirred at 30 45 DEG C, obtain emulsified monomer.The waterborne binder of the present invention, is avoided and is endangered caused by health using organic solvent, compared with existing water-based acrylic resin, the waterborne binder is more environmentally friendly, effect harmless to the human body.
Description
Technical field
The present invention relates to technical field of ink, and in particular to a kind of waterborne binder and its food obtained of application are accessible
Water-based ink.
Background technology
Water-based ink is referred to as ink, it is mainly ground by water-soluble resin, organic pigment, solvent and related auxiliaries through compound
Mill is process, and water-based ink requires strictly especially suitable for sanitary conditions such as cigarette, wine, food and drink, drug, toys for children
Packaging Printing Product.
But the water-based ink that current Packaging Printing Product uses, mostly uses greatly water-based acrylic resin as binder,
And the existing ink used in China is mostly all containing the larger ketone etc. of petroleum distillate, benzene and its derivative or toxicity, corrosivity
Organic solvent causes harm to the health of operating worker in process of production, if as food packaging ink, with
Direct food contact, the migration and infiltration that small organic molecule occurs will generate harmful effect to the health of consumer, especially
To the harm bigger of children；Moreover raw material both are from petrochemical industry, and the feature of environmental protection is poor.Therefore it is aqueous to develop a packages printing
Binder meets the demand in market, has great importance.
Invention content
In order to overcome shortcoming and defect existing in the prior art, one of the objects of the present invention is to provide a kind of aqueous companies
Splicing, solvent-free monomer residual, more environmentally friendly, effect harmless to the human body.
The second object of the present invention is to provide a kind of preparation method of waterborne binder, and the preparation method step is simple,
Convenient operation and control, stable quality, production efficiency is high, and production cost is low, can large-scale industrial production.
The third object of the present invention is to provide a kind of accessible water-based ink of food, organic solvent-free residual, to human body
Nonhazardous acts on, more environmentally friendly, solves the problems, such as that existing water-based ink generates harmful effect to the health of consumer in the market.
The fourth object of the present invention is to provide a kind of preparation method of the accessible water-based ink of food, preparation method step
Rapid simple, convenient operation and control, stable quality, production efficiency is high, and production cost is low, can large-scale industrial production.
An object of the present invention is achieved through the following technical solutions：A kind of waterborne binder, including following parts by weight
Raw material：
Wherein, every part of emulsified monomer is made of following methods：By acrylic monomer and/or styrene monomer
70-90 parts, 0.5-5 parts of emulsifier, 20-30 parts of water stirred at a temperature of 30-45 DEG C, obtain emulsified monomer.
The present invention uses modified rosin and starch to prepare water-base resin for raw material, with existing water-based acrylic resin ratio
Compared with, effect harmless to the human body, solvent-free monomer residual, and also it is more environmentally-friendly.The present invention by using modified rosin, itself
It is water-soluble with dissolubility, it avoids and harmful effect is generated to human body using organic solvent；The present invention by using starch,
Its characteristic with edible, degradable under microorganism, keeps the waterborne binder more environmentally friendly, is contacted with food or children eat by mistake
Nonhazardous acts on；The present invention by using emulsified monomer, acrylic monomer and/or styrene monomer emulsifier effect
Under it is evenly dispersed in water, formed microemulsion, improve polymerization rate and waterborne binder molecular weight；The present invention is by adopting
With initiator, causes acrylic monomer and/or styrene monomer carries out polymerisation；The present invention is adjusted by using pH
Agent adjusts pH value, improves the efficiency of initiation of initiator.
Preferably, every part of modified rosin is prepared by following steps：
(1) by rosin 50-60 parts be heated to 180-190 DEG C, then be added 15-20 parts of maleic anhydride, at 180-190 DEG C
Certain time is reacted, system A is obtained；
(2) system A is warming up to 200-210 DEG C, the monomer containing double bond and hydroxyl is then added dropwise and/or contains double bond and amino
0.1-5 parts of 20-25 parts of monomer, 0.1-5 parts of polymerization inhibitor and zinc oxide, then be warming up to 220-240 DEG C of held for some time, obtain
To system B；
(3) system B is warming up to 270-285 DEG C, 10-15 parts of polyalcohol is added, is then cooled to 170-180 DEG C of discharging,
Obtain the modified rosin.
It is heated to 180-190 DEG C in the preparation process (1) of the modified rosin of the present invention so that rosin dissolves, and improves rosin
With the contact area of maleic anhydride, rosin is reacted with reacting for maleic anhydride for Diels-Alder；In step (2), in 200-
At a temperature of 210 DEG C under the catalytic action of zinc oxide, system A with containing double bond and hydroxyl monomer and/or containing double bond and amino
Condensation reaction occurs for monomer, improves reaction rate, in addition, polymerization inhibitor can prevent monomer containing double bond and hydroxyl and/or containing double
Self-polymerization reaction occurs for the monomer of key and amino；Polyalcohol is added in step (3), with polyalcohol esterification occurs for system B,
The modified rosin is obtained, the solubility of the modified rosin in water is improved；The modified rosin preparation process letter of the present invention
It is single, harsh working condition and equipment are not needed, scale of mass production is particularly suitable for, there is good economic benefit.It is more highly preferred to
, in step (1), reaction time 2-3h；In step (2), soaking time 1-2h.
Preferably, the monomer containing double bond and hydroxyl and/or the monomer containing double bond and amino are double bond containing hydroxy ester
Class monomer and/or double bond containing amides monomer；The polyalcohol is ethylene glycol, propylene glycol, glycerine, butanediol, hexylene glycol, three
One or more of hydroxymethyl ethane, trimethylolpropane, xylitol, sorbierite and pentaerythrite；The double bond containing hydroxyl
Base esters monomer is in hydroxyethyl methacrylate, hydroxy-ethyl acrylate, hydroxypropyl acrylate and hydroxy propyl methacrylate
It is one or more of；The double bond containing amides monomer be acrylamide, Methacrylamide, N,N-DMAA and
One or more of n-isopropyl acrylamide.
By using double bond containing hydroxyl esters monomer and system A esterification or double bond containing amide occur for the present invention
With the carboxyl of system A condensation reaction occurs for the amino of class monomer, and obtained system B has double bond functional group, changes in favor of described
Property rosin and emulsified monomer and starch reaction；More preferably, the double bond containing hydroxyl esters monomer is methacrylic acid
Hydroxyl ethyl ester and hydroxy-ethyl acrylate are 1-2 according to mass ratio:0.5-1.2 is compounded；More preferably, the double bond containing acyl
It according to mass ratio is 1-2 that amine monomers, which are acrylamide and Methacrylamide,:0.5-1.2 is compounded；The present invention is by adopting
With above-mentioned polyalcohol so that with polyalcohol esterification occurs for system B, obtains modified rosin, improves the modified rosin and exist
Solubility in water；More preferably, it according to mass ratio is 0.5-1 that the polyalcohol, which is glycerine, xylitol and pentaerythrite,:
0.5-1.2:2-4 is compounded.
Preferably, the acrylic monomer is acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, propylene
One or more of misery ester, hydroxy-ethyl acrylate and hydroxyethyl methacrylate.
More preferably, the acrylic monomer is by methyl acrylate, acrylic acid and hydroxy-ethyl acrylate according to matter
Amount is than being 3-7：2-6：4-8 is compounded.
Preferably, the styrene monomer is styrene, α-methylstyrene, 3- methyl styrenes, 4- methylbenzene second
It is alkene, 2,4- dimethyl styrenes, 2,5- dimethyl styrenes, 2,4,6- trimethyl styrenes, cis--Beta-methyl styrene, anti-
Formula-Beta-methyl styrene, 4- methyl-alpha-methyls, 4- t-butyl styrenes, 2- hydroxy styrenes and 4-Vinyl phenol
In it is one or more.
Preferably, the starch is one or more of cornstarch, wheaten starch and tapioca.
For the present invention by using starch, the characteristic with edible, degradable under microorganism makes the waterborne binder
It is more environmentally friendly, it is contacted with food or children eats nonhazardous effect by mistake；More preferably, the starch is cornstarch, wheaten starch
With tapioca according to mass ratio be 3：1-2：1 compounds.
Preferably, the emulsifier be sorbester p17, single hard fatty acids glyceride and one kind in propylene glycol alginate or
It is several；The pH adjusting agent is N, one or more of N- dimethylethanolamines, ammonium hydroxide and triethylamine.
For the present invention by using mentioned emulsifier, emulsifying effectiveness is good, keeps emulsified monomer and other raw materials better
It reacts, reduces monomer residue；More preferably, the emulsifier is sorbester p17, single hard fatty acids glyceride and alginic acid
Propylene glycol ester is 3 according to mass ratio：0.8-1.2：0.8-1.2 is compounded；The pH adjusting agent be N, N- dimethylethanolamines,
Ammonium hydroxide and triethylamine are 0.5-1.5 according to mass ratio：0.8-1.2：1 compounds.
Preferably, it is 1-3 that the initiator, which includes mass ratio,:1 starch initiator and monomer initiator, the starch draw
It is one or more of radical initiator and cerium ion initiator to send out agent, and the monomer initiator causes for peroxide
Agent.
For the present invention by using above-mentioned initiator, initiation effect is good, avoids remaining emulsified monomer in waterborne binder；
The starch initiator, makes Starch formation Starch Free Radicals, is convenient for graft reaction, the monomer initiator cause monomer,
Modified rosin and starch with double bond carry out mixed and disorderly polymerization, complete the graft modification of starch.More preferably, the starch
Initiator is one or more of hydrogen peroxide, cerium ion initiator, and the monomer initiator is ammonium persulfate, potassium peroxydisulfate
One or more of with sodium peroxydisulfate, further, the peroxide initiator is ammonium persulfate, potassium peroxydisulfate and over cure
Sour sodium is 1 according to mass ratio:0.5-1.5:1.5-2.5 is compounded；It is another preferred, using hydrogen peroxide as initiator,
Add suitable compound containing ferrous ion, to increase the efficiency of initiation of hydrogen peroxide, specifically, hydrogen peroxide with containing ferrous iron
The compound of ion is 2-4 according to mass ratio:0.05-0.2 is mixed, reaction mechanism Fe2++H2O2→Fe3++·OH+OH-,
The effect for causing emulsified monomer polymerization is more preferable, substantially reduces the residual of emulsified monomer, avoids direct body contact's emulsified monomer, right
Human body causes damages；More preferably, the compound containing ferrous ion is in ferrous sulfate, frerrous chloride and ferrous oxide
One or more.
The second object of the present invention is achieved through the following technical solutions：A kind of preparation method of waterborne binder, including such as
Lower step：
The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 8-9, is warming up to 82-90 DEG C, adds
Enter initiator, a part of emulsified monomer is then added, then remaining emulsified monomer is added dropwise, held for some time filters to get aqueous
Binder.
The preparation method of the present invention first adjusts pH value, improves and cause after the starch, modified rosin and water mixing is added
The efficiency of initiation of agent.Preferably, the emulsified monomer of one third total weight is first added, then remaining emulsified monomer is slowly added dropwise, protects
The warm time is 2-3h.
The third object of the present invention is achieved through the following technical solutions：Food can connect made from a kind of application waterborne binder
Water-based ink is touched, the raw material of following parts by weight is included：
Wherein, every part of slurry includes the raw material of following parts by weight：
For the present invention using waterborne binder as primary raw material, the antiwear additive of addition, auxiliary agent and water are harmless, and slurry uses
Acrylic resin, waterborne binder, pigment powder, dispersant and water it is harmless, food obtained can contact aqueous oil
Ink is suitable for the printing packaging that food can contact type；Improve the table after food can contact water-based ink film forming by using antiwear additive
Face performance, raising is wear-resisting to undermine the performances such as anti scuffing；By using auxiliary agent, the chemical stabilization that food can contact water-based ink is improved
Property, diffusivity and permeability；By using dispersant, reduce when completion dispersion pigment powder is required in preparing slurry process
Between and energy, stablize disperseed pigment powder, adjust the motility of pigment particles；Preferably, the auxiliary agent is antifoaming agent, crosslinking
One or more of auxiliary agent and wetting agent, more preferably, the antifoaming agent are DSA-5 antifoaming agent.
Preferably, the antiwear additive is that food can contact grade wax liquor；The pigment powder is that food can contact grade pigment powder, into
One step, it is that food can contact grade carbon black, food can contact grade capsanthin, food can contact that the food, which can contact grade pigment powder,
Grade beet red, food can contact grade Monascus color, food can contact grade iron oxide red, food can contact grade Gardenia Yellow, food can contact grade
One or more of the accessible grade gardenia blue of curcumin, food and the accessible grade of food are indigo.
The present invention can contact grade wax liquor by using food, improves food and can contact the superficiality after water-based ink film forming
Can, raising is wear-resisting to undermine the performances such as anti scuffing, effect harmless to the human body；By using answering for different pigment powder and pigment powder
Match, the food for obtaining different colours can contact water-based ink, improve the application range that food can contact water-based ink.
The fourth object of the present invention is achieved through the following technical solutions：A kind of food can contact the preparation side of water-based ink
Method includes the following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made
Material；
(2) certain time is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, obtained food can connect
Touch water-based ink.
In step (2), mixing time 3-4h.
The beneficial effects of the present invention are：The waterborne binder of the present invention, avoids using organic solvent to health
Caused by endanger, compared with existing water-based acrylic resin, the waterborne binder is more environmentally friendly, effect harmless to the human body.
The preparation method of the waterborne binder of the present invention, the preparation method step is simple, convenient operation and control, and quality is steady
Fixed, production efficiency is high, and production cost is low, can large-scale industrial production.
The food of the present invention can contact water-based ink, compared with water-based ink made of existing water-based acrylic resin,
Food provided by the invention can contact water-based ink organic solvent-free residual, and effect harmless to the human body, microorganism is degradable, more
Environmental protection solves the problems, such as that existing water-based ink generates harmful effect to the health of consumer in the market.
The food of the present invention can contact the preparation method of water-based ink, and the preparation method step is simple, convenient operation and control,
Stable quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of waterborne binder includes the raw material of following parts by weight：
Every part of emulsified monomer is made of following methods：By 20 parts of acrylic monomer, 50 parts of styrene monomer, breast
0.5 part of agent, 20 parts of water stir at a temperature of 30 DEG C, obtain emulsified monomer.
Every part of modified rosin is prepared by following steps：
(1) by rosin 50 parts be heated to 180 DEG C, then be added 15 parts of maleic anhydride, react 2h at 180 DEG C, obtain body
It is A；
(2) system A is warming up to 200 DEG C, the monomer containing double bond and hydroxyl and the monomer containing double bond and amino is then added dropwise
0.5 part of 20 parts, 0.5 part of polymerization inhibitor and zinc oxide, then 220 DEG C of heat preservation 1h are warming up to, obtain system B；
(3) system B is warming up to 270 DEG C, 10 parts of polyalcohol is added, is then cooled to 170 DEG C of dischargings, obtains the modification
Rosin.
The monomer containing double bond and hydroxyl and the monomer containing double bond and amino are double bond containing hydroxyl esters monomer and contain
The amides monomer of double bond；The monomer containing double bond and hydroxyl and/or the monomer containing double bond and amino are double bond containing hydroxyl
Esters monomer and double bond containing amides monomer are 2 according to mass ratio:1.2 compound；The double bond containing hydroxyl esters list
Body is hydroxyethyl methacrylate；The double bond containing amides monomer is acrylamide；The polyalcohol is pentaerythrite.
The acrylic monomer is methyl acrylate；The styrene monomer is styrene.
The starch is cornstarch.
The emulsifier is sorbester p17；The pH adjusting agent is ammonium hydroxide.
The initiator includes that mass ratio is 1:1 starch initiator and monomer initiator, the starch initiator are certainly
By base initiator, the monomer initiator is peroxide initiator, and the peroxide initiator is ammonium persulfate, persulfuric acid
Potassium and sodium peroxydisulfate are 1 according to mass ratio:0.5:1.5 compound.
A kind of preparation method of waterborne binder, includes the following steps：
The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 8, is warming up to 82 DEG C, is added and causes
Agent, is then added the emulsified monomer of one third total weight, then remaining emulsified monomer is slowly added dropwise, and keeps the temperature 2h, filters to get water
Property binder.
Food made from a kind of application waterborne binder can contact water-based ink, include the raw material of following parts by weight：
Wherein, every part of slurry includes the raw material of following parts by weight：
The auxiliary agent is 0.5 part of antifoaming agent, 0.5 part of crosslinking coagent and 2 parts of wetting agents, and the antifoaming agent defoams for DSA-5
Agent.
The antiwear additive is that food can contact grade wax liquor；The pigment powder is that food can contact grade carbon black.
A kind of food can contact the preparation method of water-based ink, include the following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made
Material；
(2) 3h is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, obtained food can contact aqueous
Ink.
Embodiment 2
A kind of waterborne binder includes the raw material of following parts by weight：
Every part of emulsified monomer is made of following methods：70 parts of styrene monomer, 5 parts of emulsifier, 30 parts of water are existed
It is stirred at 45 DEG C, obtains emulsified monomer.
Every part of modified rosin is prepared by following steps：
(1) by rosin 60 parts be heated to 190 DEG C, then be added 20 parts of maleic anhydride, react 3h at 190 DEG C, obtain body
It is A；
(2) system A is warming up to 210 DEG C, 5 parts of 25 parts of monomer, polymerization inhibitor and oxygen containing double bond and hydroxyl is then added dropwise
Change 5 parts of zinc, then be warming up to 240 DEG C of heat preservation 2h, obtains system B；
(3) system B is warming up to 285 DEG C, 15 parts of polyalcohol is added, is then cooled to 180 DEG C of dischargings, obtains the modification
Rosin.
The monomer containing double bond and hydroxyl is double bond containing hydroxyl esters monomer；The double bond containing hydroxyl esters monomer
According to mass ratio it is 2 for hydroxyethyl methacrylate and hydroxy-ethyl acrylate:1 compounds；The polyalcohol is glycerine, xylose
Alcohol and pentaerythrite are 0.5 according to mass ratio:0.5:2 compound.
It according to mass ratio is 4 that the styrene monomer, which is styrene and α-methylstyrene,：1 compounds.
It according to mass ratio is 3 that the starch, which is cornstarch, wheaten starch and tapioca,：1：1 compounds.
The emulsifier is single hard fatty acids glyceride；The pH adjusting agent is N, N- dimethylethanolamines, ammonium hydroxide and three
Ethamine is 0.5 according to mass ratio：1.2：1 compounds.
The initiator includes that mass ratio is 3:1 starch initiator and monomer initiator, the starch initiator are cerium
Ionic initiator, the monomer initiator are peroxide initiator, and the peroxide initiator is ammonium persulfate, persulfuric acid
Potassium and sodium peroxydisulfate are 1 according to mass ratio:1.5:2.5 compound, in addition, hydrogen peroxide and the chemical combination containing ferrous ion is added
Object is 2 according to mass ratio:The mixed liquor of 0.1 mixing, the compound containing ferrous ion are ferrous sulfate.
A kind of preparation method of waterborne binder, includes the following steps：
The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 9, is warming up to 82 DEG C, is added and causes
Agent, is then added the emulsified monomer of one third total weight, then remaining emulsified monomer is slowly added dropwise, and keeps the temperature 3h, filters to get water
Property binder.
Food made from a kind of application waterborne binder can contact water-based ink, include the raw material of following parts by weight：
Wherein, every part of slurry includes the raw material of following parts by weight：
The auxiliary agent is 0.8 part of antifoaming agent, 0.3 part of crosslinking coagent and 1 part of wetting agent, and the antifoaming agent defoams for DSA-5
Agent.
The antiwear additive is that food can contact grade wax liquor；The pigment powder is beet red.
A kind of food can contact the preparation method of water-based ink, include the following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made
Material；
(2) 4h is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, obtained food can contact aqueous
Ink.
Embodiment 3
A kind of waterborne binder includes the raw material of following parts by weight：
Every part of emulsified monomer is made of following methods：By 70 parts of 20 parts of acrylic monomer and styrene monomer,
4 parts of emulsifier, 25 parts of water stir at a temperature of 40 DEG C, obtain emulsified monomer.
Every part of modified rosin is prepared by following steps：
(1) by rosin 55 parts be heated to 185 DEG C, then be added 18 parts of maleic anhydride, react 2.5h at 185 DEG C, obtain
System A；
(2) system A is warming up to 210 DEG C, 4 parts of 23 parts of monomer containing double bond and amino and polymerization inhibitor and oxygen is then added dropwise
Change 4 parts of zinc, then be warming up to 230 DEG C of heat preservation 1.5h, obtains system B；
(3) system B is warming up to 275 DEG C, 12 parts of polyalcohol is added, is then cooled to 175 DEG C of dischargings, obtains the modification
Rosin.
The monomer containing double bond and amino is double bond containing amides monomer；The double bond containing amides monomer is third
Acrylamide and Methacrylamide are 2 according to mass ratio:1.2 compound；The polyalcohol is glycerine, xylitol and season penta 4
Alcohol is 1 according to mass ratio:0.5:4 compound.
The acrylic monomer be by methyl acrylate, acrylic acid and hydroxy-ethyl acrylate according to mass ratio be 4：4：5
It compounds.
It according to mass ratio is 5 that the styrene monomer, which is styrene, 3- methyl styrenes and 2,4- dimethyl styrenes,：
1：1 compounds.
It according to mass ratio is 3 that the starch, which is cornstarch, wheaten starch and tapioca,：2：1 compounds.
It according to mass ratio is 3 that the emulsifier, which is sorbester p17, single hard fatty acids glyceride and propylene glycol alginate,：1：1
It compounds；The pH adjusting agent is N, and N- dimethylethanolamines, ammonium hydroxide and triethylamine are 1.5 according to mass ratio：0.8：1 compounding
It forms.
The initiator includes that mass ratio is 1.8:1 starch initiator and monomer initiator, the starch initiator are
Radical initiator, the monomer initiator are peroxide initiator, and the peroxide initiator is ammonium persulfate, over cure
Sour potassium and sodium peroxydisulfate are 1 according to mass ratio:1:2 compound
A kind of preparation method of waterborne binder, includes the following steps：
The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 8, is warming up to 85 DEG C, is added and causes
Then agent is added the emulsified monomer of a quarter total weight, then remaining emulsified monomer is slowly added dropwise, keep the temperature 2.5h, filtering to get
Waterborne binder.
Food made from a kind of application waterborne binder can contact water-based ink, include the raw material of following parts by weight：
Wherein, every part of slurry includes the raw material of following parts by weight：
The auxiliary agent is that 0.3 part of antifoaming agent, 0.4 part of crosslinking coagent and 0.8 part of wetting agent, the antifoaming agent disappear for DSA-5
Infusion.
The antiwear additive is that food can contact grade wax liquor；The pigment powder is that food can contact grade capsanthin, beet red, ginger
Flavine is 1 according to mass ratio:1:1.5 compound.
A kind of food can contact the preparation method of water-based ink, include the following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made
Material；
(2) 3.5h is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, food is made and can contact water
Property ink.
Embodiment 4
A kind of waterborne binder includes the raw material of following parts by weight：
Every part of emulsified monomer is made of following methods：80 parts of acrylic monomer, 2 parts of emulsifier, 28 parts of water are existed
It is stirred at a temperature of 43 DEG C, obtains emulsified monomer.
Every part of modified rosin is prepared by following steps：
(1) by rosin 58 parts be heated to 182 DEG C, then be added 16 parts of maleic anhydride, react 2.2h at 182 DEG C, obtain
System A；
(2) system A is warming up to 208 DEG C, the monomer containing double bond and hydroxyl and the monomer containing double bond and amino is then added dropwise
1 part of 22 parts, 1 part of polymerization inhibitor and zinc oxide, then 228 DEG C of heat preservation 1.8h are warming up to, obtain system B；
(3) system B is warming up to 278 DEG C, 14 parts of polyalcohol is added, is then cooled to 178 DEG C of dischargings, obtains the modification
Rosin.
The monomer containing double bond and hydroxyl and the monomer containing double bond and amino are double bond containing hydroxyl esters monomer and contain
The amides monomer of double bond is 1 according to mass ratio:0.8 compounds；The double bond containing hydroxyl esters monomer is metering system
Sour hydroxyl ethyl ester and hydroxy-ethyl acrylate are 1.2 according to mass ratio:1 compounds；The double bond containing amides monomer is propylene
Amide and Methacrylamide are 1.2 according to mass ratio:1 compounds；The polyalcohol is glycerine, xylitol and pentaerythrite
It is 0.8 according to mass ratio:0.8:3 compound.
The acrylic monomer be by methyl acrylate, acrylic acid and hydroxy-ethyl acrylate according to mass ratio be 6：3：7
It compounds.
It according to mass ratio is 3 that the starch, which is cornstarch, wheaten starch and tapioca,：1.2：1 compounds.
It according to mass ratio is 3 that the emulsifier, which is sorbester p17, single hard fatty acids glyceride and propylene glycol alginate,：1.2：
1 compounds；The pH adjusting agent is N, and N- dimethylethanolamines, ammonium hydroxide and triethylamine are 0.8 according to mass ratio：1.2：1 is multiple
With into.
The initiator includes that mass ratio is 2:1 starch initiator and monomer initiator, the starch initiator are certainly
It is 2 in mass ratio by base initiator and cerium ion initiator:1 compounds, and the monomer initiator is peroxide initiator,
It according to mass ratio is 1 that the peroxide initiator, which is ammonium persulfate, potassium peroxydisulfate and sodium peroxydisulfate,:0.8:1.8 compound
A kind of preparation method of waterborne binder, includes the following steps：
The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 9, is warming up to 88 DEG C, is added and causes
Then agent is added the emulsified monomer of a quarter total weight, then remaining emulsified monomer is slowly added dropwise, keep the temperature 2.2h, filtering to get
Waterborne binder.
Food made from a kind of application waterborne binder can contact water-based ink, include the raw material of following parts by weight：
Wherein, every part of slurry includes the raw material of following parts by weight：
The auxiliary agent is 0.5 part of antifoaming agent, 1 part of crosslinking coagent and 1.5 parts of wetting agents, and the antifoaming agent defoams for DSA-5
Agent.
The antiwear additive is that food can contact grade wax liquor；The pigment powder is that food can contact grade carbon black, food can contact
Grade gardenia blue, iron oxide red are 0.5 according to mass ratio:2:1.5 compound.
A kind of food can contact the preparation method of water-based ink, include the following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made
Material；
(2) 3.8h is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, food is made and can contact water
Property ink.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (10)
1. a kind of waterborne binder, which is characterized in that include the raw material of following parts by weight：
Wherein, every part of emulsified monomer is made by following methods：By acrylic monomer and/or styrene monomer 70-90
Part, 0.5-5 parts of emulsifier, 20-30 parts of water stir at a temperature of 30-45 DEG C, obtain emulsified monomer.
2. a kind of waterborne binder according to claim 1, it is characterised in that：Every part of modified rosin is by following steps
It is prepared：
(1) by rosin 50-60 parts be heated to 180-190 DEG C, then be added 15-20 parts of maleic anhydride, reacted at 180-190 DEG C
Certain time obtains system A；
(2) system A is warming up to 200-210 DEG C, the monomer containing double bond and hydroxyl and/or the list containing double bond and amino is then added dropwise
0.1-5 parts of 20-25 parts of body, 0.1-5 parts of polymerization inhibitor and zinc oxide, then it is warming up to 220-240 DEG C of held for some time, obtain body
It is B；
(3) system B is warming up to 270-285 DEG C, 10-15 parts of polyalcohol is added, is then cooled to 170-180 DEG C of discharging, obtains
The modified rosin.
3. a kind of waterborne binder according to claim 2, it is characterised in that：The monomer containing double bond and hydroxyl and/
Or the monomer containing double bond and amino is double bond containing hydroxyl esters monomer and/or double bond containing amides monomer；The polyalcohol
For ethylene glycol, propylene glycol, glycerine, butanediol, hexylene glycol, trimethylolethane, trimethylolpropane, xylitol, sorbierite and
One or more of pentaerythrite；The double bond containing hydroxyl esters monomer is hydroxyethyl methacrylate, acrylic acid hydroxyl second
One or more of ester, hydroxypropyl acrylate and hydroxy propyl methacrylate；The double bond containing amides monomer is propylene
One or more of amide, Methacrylamide, N,N-DMAA and n-isopropyl acrylamide.
4. a kind of waterborne binder according to claim 1, it is characterised in that：The acrylic monomer be acrylic acid,
In methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethyl hexyl acrylate, hydroxy-ethyl acrylate and hydroxyethyl methacrylate
One or more.
5. a kind of waterborne binder according to claim 1, it is characterised in that：The emulsifier is sorbester p17, single tristearin
One or more of fat acid glyceride and propylene glycol alginate；The pH adjusting agent is N, N- dimethylethanolamines, ammonium hydroxide
One or more of with triethylamine.
6. a kind of waterborne binder according to claim 1, it is characterised in that：The initiator includes that mass ratio is 1-3:
1 starch initiator and monomer initiator, the starch initiator are one kind in radical initiator and cerium ion initiator
Or it is several, the monomer initiator is peroxide initiator.
7. a kind of preparation method of waterborne binder as claimed in any one of claims 1 to 6, it is characterised in that：Including walking as follows
Suddenly：The starch, modified rosin and water are mixed, pH adjusting agent is added and adjusts pH to 8-9, is warming up to 82-90 DEG C, is added and causes
Then a part of emulsified monomer is added in agent, then remaining emulsified monomer is added dropwise, held for some time, filters to get aqueous connection
Material.
8. food made from a kind of application claim 1-6 any one of them waterborne binders can contact water-based ink, special
Sign is, includes the raw material of following parts by weight：
Wherein, every part of slurry includes the raw material of following parts by weight：
9. a kind of food according to claim 8 can contact water-based ink, it is characterised in that：The antiwear additive is that food can
Contact grade wax liquor；The pigment powder is that food can contact grade pigment powder.
10. a kind of food a kind of as claimed in claim 8 or 9 can contact the preparation method of water-based ink, which is characterized in that packet
Include following steps：
(1) acrylic resin is mixed with waterborne binder, pigment powder, dispersant and water grinding is added, slurry is made；
(2) certain time is mixed in the waterborne binder, slurry, antiwear additive, auxiliary agent and water, food is made and can contact water
Property ink.
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| CN113528246A (en) * | 2021-05-21 | 2021-10-22 | 西安理工大学 | Preparation method of polyfunctional group water-based vegetable oil binder and water-based ink |
| CN114163562A (en) * | 2021-12-24 | 2022-03-11 | 宁波市嘉化新材料科技有限公司 | Paper moisture-proof agent and preparation method thereof |
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| CN113528246A (en) * | 2021-05-21 | 2021-10-22 | 西安理工大学 | Preparation method of polyfunctional group water-based vegetable oil binder and water-based ink |
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| CN114163562A (en) * | 2021-12-24 | 2022-03-11 | 宁波市嘉化新材料科技有限公司 | Paper moisture-proof agent and preparation method thereof |
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