CN104650775B - A kind of aqueous transfer glue and preparation method thereof - Google Patents
A kind of aqueous transfer glue and preparation method thereof Download PDFInfo
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- CN104650775B CN104650775B CN201510088121.0A CN201510088121A CN104650775B CN 104650775 B CN104650775 B CN 104650775B CN 201510088121 A CN201510088121 A CN 201510088121A CN 104650775 B CN104650775 B CN 104650775B
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Abstract
A kind of aqueous transfer glue, raw material by following weight percentage is made: water 50-59.5%, alkyl alcohol ether sodium sulphate 0.2-0.5%, NPE ammonium sulfate 0.3-0.6%, itaconic acid 0.3-0.6%, acrylamide 0.3-0.6%, acrylic acid 1-1.5%, EMA 8-13%, methyl acrylate 15-20%, butyl acrylate 14-19%, sodium peroxydisulfate 0.1-0.3%, sodium acid carbonate 0.03-0.06%, ammoniacal liquor 0.8-1.2%, defoamer 0.1-0.3%, anticorrisive agent 0.1-0.3%. The present invention also provides a kind of preparation method of above-mentioned aqueous transfer glue. After aqueous transfer glue of the present invention is made transfer paper and following process there is resistance to compression flower, resistance to solvent, water-fast, resistance to quick-fried, the strong adhesion of folding, advantages such as flatness, good leveling property, and meet environmentally-friendly sanitary requirement.
Description
Technical field
The present invention relates to binder, be specifically related to a kind of aqueous transfer glue and preparation method thereof.
Background technology
In packages printing industry; along with people improve day by day to the requirement of packing material; outward appearance to various packing materials, false proof and printing effect require more and more higher; and along with the pay attention to day by day of people to environmental protection; require packing material harmful substance few; even do not volatilize harmful substance, and the recyclable recycling of overpack, environmental requirement met. Utilize transfer adhesive by the complete transfer of transfer layer of the coated film of aluminizing (being transfer membrane) and be adhered to paperboard or art paper on, become the multicoloured cheque paper of a kind of outward appearance, through printing, the packaging of extensive use tobacco bale, Jiu Bao, commodity, reaches the effect such as false proof, attractive in appearance again.
Existing transfer adhesive has aqueous transfer glue, oiliness transfer adhesive, PUR etc.
Oiliness transfer adhesive, because of seriously polluted and residual solvent is many, does not meet hygienic requirements, is eliminated.
PUR levelability is poor, painting amount is large, cost is high, is difficult to packaged printing factory and accepts.
The various systems of aqueous transfer glue have, and the aqueous transfer glue quality of different systems differs larger. Mainly contain in the market acrylate transfer adhesive and butylbenzene transfer adhesive, wherein: butylbenzene transfer adhesive is irradiated and can be produced benzene through UV, and poor water resistance, in spring and summer season because of the large poor adhesive force of air humidity, along with requiring more and more highlyer also will to be eliminated; Acrylate transfer adhesive folding resistance, resistance to quick-fried property are poor, and anti-embossability is also poor.
Summary of the invention
Technical problem to be solved by this invention is to provide the preparation method of a kind of aqueous transfer glue and this aqueous transfer glue, this aqueous transfer glue is applied to transfer membrane and shifts, can make transfer paper ply adhesion strong, folding resistance, resistance to quick-fried property and anti-embossability are outstanding, and properties for follow is outstanding, and meet environmentally-friendly sanitary requirement. The technical scheme adopting is as follows:
A kind of aqueous transfer glue, it is characterized in that being made by the raw material of following weight percentage: water 50-59.5%, alkyl alcohol ether sodium sulphate 0.2-0.5%, NPE ammonium sulfate 0.3-0.6%, itaconic acid 0.3-0.6%, acrylamide 0.3-0.6%, acrylic acid 1-1.5%, EMA 8-13%, methyl acrylate 15-20%, butyl acrylate 14-19%, sodium peroxydisulfate 0.1-0.3%, sodium acid carbonate 0.03-0.06%, ammoniacal liquor 0.8-1.2%, defoamer 0.1-0.3%, anticorrisive agent 0.1-0.3%.
Preferred above-mentioned water is deionized water.
Abovementioned alkyl alcohol ether sodium sulfate, NPE ammonium sulfate are as emulsifying agent.
Above-mentioned sodium peroxydisulfate, as catalyst, can reduce activation energy, promotes polymerisation.
Above-mentioned sodium acid carbonate, as buffer, can be adjusted the acid-base value of emulsion, ensures the smoothness of course of reaction.
Above-mentioned itaconic acid, acrylamide, acrylic acid, EMA, methyl acrylate, butyl acrylate are under the emulsification of alkyl alcohol ether sodium sulphate, NPE ammonium sulfate, and under the acting in conjunction of catalyst sodium peroxydisulfate and buffer sodium acid carbonate, polymerization forms copolymer. The solid thing composition of aqueous transfer glue is exactly above-mentioned copolymer. Aforesaid propylene acid methyl esters can strengthen adhesive force, anti-embossability, improves folding resistance. Itaconic acid, acrylamide, acrylic acid can improve adhesive force, levelability, balance rate of drying, improve self-crosslinking, thereby strengthen solvent resistance, improve coating performance. EMA can improve toughness, strengthens the resistance to quick-fried performance of folding. Butyl acrylate can improve toughness, cold resistance, folding resistance.
Above-mentioned ammoniacal liquor plays neutralization and adjusts viscosity. The weight percent concentration of preferred above-mentioned ammoniacal liquor is 20-25%. More preferably the weight percent concentration of above-mentioned ammoniacal liquor is 22%.
Above-mentioned defoamer works to eliminate the foam in aqueous transfer glue, ensures coating transfer effect. Above-mentioned defoamer can be for example, in mineral oil antifoam agent and modified organo-silicon defoamer (brand that Germany produces is the defoamer that TEGO enlightening is high, model is TEGOFoamex825, and its chemical composition is polysiloxane-polyether copolymer emulsion) a kind of or both mixtures.
Foregoing preservatives can suppress the fungus growth in aqueous transfer glue, makes transfer adhesive keep steady quality. Foregoing preservatives can be OIT (be commonly called as Kathon CG, its active ingredient is the mixture of MIT and CMIT).
On the other hand, the present invention also provides a kind of preparation method of above-mentioned aqueous transfer glue, it is characterized in that comprising the steps:
(1) be equipped with according to the above ratio water, alkyl alcohol ether sodium sulphate, NPE ammonium sulfate, itaconic acid, acrylamide, acrylic acid, EMA, methyl acrylate, butyl acrylate, sodium peroxydisulfate, sodium acid carbonate, ammoniacal liquor, defoamer and anticorrisive agent;
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), and Part I water accounts for the 23-27% of be equipped with water, and Part II water accounts for the 23-27% of be equipped with water, Part III water accounts for the 1.5-5% of be equipped with water, and Part IV water accounts for be equipped with water 45-50%;
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 80-82 DEG C;
(5) get the 1.5-2% of step (2) gained stratum nucleare pre-emulsion and drop in reactor, then stirring 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction (initiation reaction is carried out in process, and the material in reactor will rise to 88-92 DEG C automatically); While falling after rise to 85 DEG C Deng temperature of charge in reactor, then drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution in reactor, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor (being that stratum nucleare pre-emulsion all shifts out after pre-emulsification still), Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, makes the material in reactor be incubated 3 hours after dropwising, and then makes the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 35-40 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
Adopt shell nuclear reaction to prepare transfer adhesive, core soft shell is hard, gained transfer adhesive have folding, strong adhesion, wear-resisting resistance to wiping, high brightness, unit painting amount less, low, the low-carbon (LC) of cost, the advantage such as ageing-resistant, nontoxic.
The pH value of aqueous transfer glue is controlled at 7.5 left and right.
In preferred steps (5), remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor; More preferably within the time of 180-240 minute, remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
In preferred steps (7), shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor; More preferably within the time of 180-240 minute, shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
Aqueous transfer glue of the present invention is nontoxic, and environmental pollution is little, meets environmental requirement; After making transfer paper and following process (as printing, gold stamping etc.) there is resistance to compression flower, resistance to solvent, water-fast, resistance to quick-fried, the strong adhesion of folding, the advantage such as flatness, good leveling property, UV does not have volatile organic thing to separate out after irradiating, cost is low simultaneously, nontoxic, harmless, tasteless, be a kind of desirable environmental protection type packing material, be suitable for any solid thing packaging, more meet national tobacco bale industry requirement.
Detailed description of the invention
Embodiment 1
In the present embodiment, prepare in the steps below aqueous transfer glue:
(1) by preparation 5000kg aqueous transfer glue, be equipped with water 2600kg(account for raw material gross weight 52%), alkyl alcohol ether sodium sulphate 15kg(account for raw material gross weight 0.3%), this phenol polyethenoxy of nonyl ether ammonium sulfate 25kg(account for raw material gross weight 0.5%), itaconic acid 20kg(account for raw material gross weight 0.4%), acrylamide 15kg(account for raw material gross weight 0.3%), acrylic acid 65kg(account for raw material gross weight 1.3%), EMA 520kg(account for raw material gross weight 10.4%), methyl acrylate 900kg(account for raw material gross weight 18%), butyl acrylate 767kg(account for raw material gross weight 15.34%), sodium peroxydisulfate 10kg(account for raw material gross weight 0.2%), sodium acid carbonate 3kg(account for raw material gross weight 0.06%), ammoniacal liquor 50kg(accounts for 1% of raw material gross weight, and the weight percent concentration of ammoniacal liquor used is 22%), defoamer 5kg(accounts for 0.1% of raw material gross weight, and the brand that in the present embodiment, defoamer adopts Germany to produce is that TEGO enlightening is high, model is the defoamer of TEGOFoamex825), anticorrisive agent 5kg(is OIT, account for raw material gross weight 0.1%),
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), Part I water 598kg(account for be equipped with water 23%), Part II water 598kg(account for be equipped with water 23%), Part III water 130kg(account for be equipped with water 5%), Part IV water 1274kg(account for be equipped with water 49%);
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for 50% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for 50% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 80 DEG C;
(5) get step (2) gained stratum nucleare pre-emulsion 1.5% and drop in reactor, then stir 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction (initiation reaction is carried out in process, and the material in reactor will rise to 88-92 DEG C automatically); While falling after rise to 85 DEG C Deng the temperature of charge in reactor, in reactor, drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution (within the time of 200 minutes, remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) again, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor (being that stratum nucleare pre-emulsion all shifts out after pre-emulsification still), Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution (within the time of 200 minutes, shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, after dropwising, make the material in reactor be incubated 3 hours, then make the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 40 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
Embodiment 2
In the present embodiment, prepare in the steps below aqueous transfer glue:
(1) by preparation 5000kg aqueous transfer glue, be equipped with water 2500kg(account for raw material gross weight 50%), alkyl alcohol ether sodium sulphate 20kg(account for raw material gross weight 0.4%), this phenol polyethenoxy of nonyl ether ammonium sulfate 30kg(account for raw material gross weight 0.6%), itaconic acid 15kg(account for raw material gross weight 0.3%), acrylamide 20kg(account for raw material gross weight 0.4%), acrylic acid 50kg(account for raw material gross weight 1%), EMA 650kg(account for raw material gross weight 13%), methyl acrylate 790.5kg(account for raw material gross weight 15.81%), butyl acrylate 850kg(account for raw material gross weight 17%), sodium peroxydisulfate 7.5kg(account for raw material gross weight 0.15%), sodium acid carbonate 2kg(account for raw material gross weight 0.04%), ammoniacal liquor 45kg(accounts for 0.9% of raw material gross weight, and the weight percent concentration of ammoniacal liquor used is 25%), defoamer 10kg(accounts for 0.2% of raw material gross weight, and the brand that in the present embodiment, defoamer adopts Germany to produce is that TEGO enlightening is high, model is the defoamer of TEGOFoamex825), anticorrisive agent 10kg(is OIT, account for raw material gross weight 0.2%),
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), and Part I water accounts for 27% of be equipped with water, and Part II water accounts for 26.5% of be equipped with water, Part III water accounts for 1.5% of be equipped with water, and Part IV water accounts for be equipped with water 45%;
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for 48% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for 52% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 82 DEG C;
(5) get step (2) gained stratum nucleare pre-emulsion 1.8% and drop in reactor, then stir 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction (initiation reaction is carried out in process, and the material in reactor will rise to 88-92 DEG C automatically); While falling after rise to 85 DEG C Deng the temperature of charge in reactor, in reactor, drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution (within the time of 180 minutes, remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) again, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor (being that stratum nucleare pre-emulsion all shifts out after pre-emulsification still), Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution (within the time of 240 minutes, shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, after dropwising, make the material in reactor be incubated 3 hours, then make the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 38 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
Embodiment 3
In the present embodiment, prepare in the steps below aqueous transfer glue:
(1) by preparation 5000kg aqueous transfer glue, be equipped with water 2878kg(account for raw material gross weight 57.56%), alkyl alcohol ether sodium sulphate 25kg(account for raw material gross weight 0.5%), this phenol polyethenoxy of nonyl ether ammonium sulfate 15kg(account for raw material gross weight 0.3%), itaconic acid 30kg(account for raw material gross weight 0.6%), acrylamide 30kg(account for raw material gross weight 0.6%), acrylic acid 70kg(account for raw material gross weight 1.4%), EMA 400kg(account for raw material gross weight 8%), methyl acrylate 750.5kg(account for raw material gross weight 15.01%), butyl acrylate 700kg(account for raw material gross weight 14%), sodium peroxydisulfate 15kg(account for raw material gross weight 0.3%), sodium acid carbonate 1.5kg(account for raw material gross weight 0.03%), ammoniacal liquor 55kg(accounts for 1.1% of raw material gross weight, and the weight percent concentration of ammoniacal liquor used is 20%), defoamer 15kg(accounts for 0.3% of raw material gross weight, and in the present embodiment, the brand that defoamer adopts Germany to produce is that TEGO enlightening is high, model is the defoamer of TEGOFoamex825), anticorrisive agent 15kg(is OIT, account for raw material gross weight 0.3%),
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), and Part I water accounts for 24% of be equipped with water, and Part II water accounts for 23% of be equipped with water, Part III water accounts for 3% of be equipped with water, and Part IV water accounts for be equipped with water 50%;
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for 51% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for 49% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 81 DEG C;
(5) get step (2) gained stratum nucleare pre-emulsion 2% and drop in reactor, then stir 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction (initiation reaction is carried out in process, and the material in reactor will rise to 88-92 DEG C automatically); While falling after rise to 85 DEG C Deng the temperature of charge in reactor, in reactor, drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution (within the time of 220 minutes, remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) again, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor (being that stratum nucleare pre-emulsion all shifts out after pre-emulsification still), Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution (within the time of 210 minutes, shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, being at the uniform velocity added drop-wise in reactor) that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, after dropwising, make the material in reactor be incubated 3 hours, then make the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 35 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
Claims (10)
1. an aqueous transfer glue, it is characterized in that being made by the raw material of following weight percentage: water 50-59.5%, alkyl alcohol ether sodium sulphate 0.2-0.5%, NPE ammonium sulfate 0.3-0.6%, itaconic acid 0.3-0.6%, acrylamide 0.3-0.6%, acrylic acid 1-1.5%, EMA 8-13%, methyl acrylate 15-20%, butyl acrylate 14-19%, sodium peroxydisulfate 0.1-0.3%, sodium acid carbonate 0.03-0.06%, ammoniacal liquor 0.8-1.2%, defoamer 0.1-0.3%, anticorrisive agent 0.1-0.3%;
The preparation method of described aqueous transfer glue comprises the steps:
(1) be equipped with according to the above ratio water, alkyl alcohol ether sodium sulphate, NPE ammonium sulfate, itaconic acid, acrylamide, acrylic acid, EMA, methyl acrylate, butyl acrylate, sodium peroxydisulfate, sodium acid carbonate, ammoniacal liquor, defoamer and anticorrisive agent;
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), and Part I water accounts for the 23-27% of be equipped with water, and Part II water accounts for the 23-27% of be equipped with water, Part III water accounts for the 1.5-5% of be equipped with water, and Part IV water accounts for be equipped with water 45-50%;
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 80-82 DEG C;
(5) get the 1.5-2% of step (2) gained stratum nucleare pre-emulsion and drop in reactor, then stirring 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction; While falling after rise to 85 DEG C Deng temperature of charge in reactor, then drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution in reactor, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor, Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, makes the material in reactor be incubated 3 hours after dropwising, and then makes the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 35-40 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
2. aqueous transfer glue according to claim 1, is characterized in that: described water is deionized water.
3. aqueous transfer glue according to claim 1, is characterized in that: the weight percent concentration of described ammoniacal liquor is 20-25%.
4. aqueous transfer glue according to claim 1, is characterized in that: described defoamer is a kind of in mineral oil antifoam agent and modified organo-silicon defoamer or both mixtures.
5. aqueous transfer glue according to claim 1, is characterized in that: described anticorrisive agent is OIT.
6. the preparation method of aqueous transfer glue claimed in claim 1, is characterized in that comprising the steps:
(1) be equipped with according to the above ratio water, alkyl alcohol ether sodium sulphate, NPE ammonium sulfate, itaconic acid, acrylamide, acrylic acid, EMA, methyl acrylate, butyl acrylate, sodium peroxydisulfate, sodium acid carbonate, ammoniacal liquor, defoamer and anticorrisive agent;
The moisture being equipped with becomes four parts, Part I water is for step (2), Part II water is for step (6), Part III water is for step (3), Part IV water is for step (4), and Part I water accounts for the 23-27% of be equipped with water, and Part II water accounts for the 23-27% of be equipped with water, Part III water accounts for the 1.5-5% of be equipped with water, and Part IV water accounts for be equipped with water 45-50%;
The butyl acrylate being equipped with is divided into two parts, and Part I butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate, and Part II butyl acrylate accounts for the 48-52% of be equipped with butyl acrylate;
(2) Part I water is added in pre-emulsification still, and NPE ammonium sulfate, itaconic acid, methyl acrylate, Part I butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain stratum nucleare pre-emulsion;
(3) Part III water is added in dissolving tank, and the sodium peroxydisulfate that step (1) is equipped with adds in dissolving tank, then stir, sodium peroxydisulfate is dissolved, obtain sodium peroxydisulfate solution; The sodium peroxydisulfate solution obtaining is divided into three parts, Part I sodium peroxydisulfate solution accounts for 50% of sodium peroxydisulfate solution total amount, Part II sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount, and Part III sodium peroxydisulfate solution accounts for 25% of sodium peroxydisulfate solution total amount;
(4) Part IV water is dropped in reactor, and in the sodium acid carbonate that step (1) is equipped with input reactor, then stir and be heated to 80-82 DEG C;
(5) get the 1.5-2% of step (2) gained stratum nucleare pre-emulsion and drop in reactor, then stirring 10 minutes; Then Part I sodium peroxydisulfate solution is dropped in reactor, carry out initiation reaction; While falling after rise to 85 DEG C Deng temperature of charge in reactor, then drip remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution in reactor, dropwise rear insulation half an hour;
(6) after the stratum nucleare pre-emulsion of step (2) gained is all added dropwise to reactor, Part II water is added in pre-emulsification still, and alkyl alcohol ether sodium sulphate, acrylic acid, acrylamide, EMA and Part II butyl acrylate that step (1) is equipped with add in pre-emulsification still, then carry out pre-emulsification, obtain shell pre-emulsion;
(7) after step (5) insulation finishes, in reactor, drip shell pre-emulsion and the Part III sodium peroxydisulfate solution that step (6) obtains again, dropping temperature is controlled at 85-90 DEG C, makes the material in reactor be incubated 3 hours after dropwising, and then makes the material cooling in reactor;
(8) in the time that the temperature of charge in reactor is down to 35-40 DEG C, the defoamer, ammoniacal liquor and the anticorrisive agent that add step (1) to be equipped with, and stir, obtain aqueous transfer glue.
7. the preparation method of aqueous transfer glue according to claim 6, is characterized in that: in step (5), remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
8. the preparation method of aqueous transfer glue according to claim 7, is characterized in that: in step (5), within the time of 180-240 minute, remaining stratum nucleare pre-emulsion and Part II sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
9. the preparation method of aqueous transfer glue according to claim 6, is characterized in that: in step (7), shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
10. the preparation method of aqueous transfer glue according to claim 9, is characterized in that: in step (7), within the time of 180-240 minute, shell pre-emulsion and Part III sodium peroxydisulfate solution synchronously, are at the uniform velocity added drop-wise in reactor.
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| CN107722886B (en) * | 2017-11-08 | 2019-08-02 | 湖北中烟工业有限责任公司 | A kind of cigarette transfer paper Aqueous Adhesives and preparation method thereof of anti-folding venting |
| CN111303336A (en) * | 2020-03-13 | 2020-06-19 | 广东鲸鲨化工有限公司 | Water transfer printing tearable film resin, preparation method thereof and water transfer printing tearable film composition |
| CN111675927A (en) * | 2020-06-18 | 2020-09-18 | 湖北绿新环保包装科技有限公司 | Environment-friendly aqueous transfer glue and preparation method thereof |
| CN112724822B (en) * | 2021-01-28 | 2022-10-04 | 汕头市鑫源化工科技有限公司 | UV-cured high-gloss coating and preparation method thereof |
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