CN103897100A - Process for preparing modified acrylic emulsion capable of preventing dye from migrating and sublimating - Google Patents
Process for preparing modified acrylic emulsion capable of preventing dye from migrating and sublimating Download PDFInfo
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- CN103897100A CN103897100A CN201410122273.3A CN201410122273A CN103897100A CN 103897100 A CN103897100 A CN 103897100A CN 201410122273 A CN201410122273 A CN 201410122273A CN 103897100 A CN103897100 A CN 103897100A
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Abstract
The invention relates to a process for preparing modified acrylic emulsion capable of preventing dye from migrating and sublimating. The process is characterized by comprising the steps of stirring and mixing fatty alcohol-polyoxyethylene ether as a emulsifier, sodium secondary alkyl sulfonate and soft water at a weight ratio of (1-3): (1-3): (14-18) at 15-35 DEG C in an emulsifying tank for 3-4 minutes under normal temperature and normal pressure, preparing into an initial pre-emulsion solution, and then preparing into primary monomer pre-emulsion containing butyl acrylate, acrylonitrile and isooctyl acrylate, thus obtaining stable reaction pre-emulsion and finally obtaining modified acrylic emulsion capable of preventing dye from migrating and sublimating. The coating adhesive prepared from acrylic emulsion capable of preventing dye from migrating and sublimating can effectively prevent an easily sublimable fabric from sublimating after the fabric is gelatinized. Therefore, the inventor proposes a better technology to obtain the final product having better quality and the product is suitable for being used as printing rubber cement in the textile pigment printing process.
Description
Technical field
The present invention relates to a kind of modified emulsion preparation technology, refer in particular to a kind of acrylic acid modified emulsion preparation technology who prevents dye migration and distillation.
Background technology
Acrylate resin coating is the synthetic resin coating taking acrylate resin as main film forming substance.This class coating not only has that look shallow, transparency is high, light is plentiful, weather-proof, protect look, protect light, strong adhesion, the feature such as corrosion-resistant, hard, pliable and tough, and can, by selecting monomer, adjust proportioning, changing preparation method and change spelling resin, make a series of acrylic resin paints.
In textile coating stamp printing technology, need to by rubber cement or mill base by silk screen printing on textile fabric, form versicolor character pattern.At present, in pigment printing, generally using acrylic ester emulsion or two kinds of rubber cements of polyaminoester emulsion as film forming material, various mill base toners are adhesively fixed on textile fiber, keep color and pattern.
But acrylic ester emulsion rubber cement in actual applications, for the dark looped fabric of part polyester cotton blending, dispersed dye after printing in background color can distil and move to coating patterns surface, occur yellow point, stain or other color dot, have a strong impact on the visual appearance of product.Therefore await this to make further improvement.
Summary of the invention
The present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of acrylic acid modified emulsion preparation technology who prevents dye migration and distillation, and the coating adhesive by this latex composite compounding and textiles glue can effectively solve that coating on easy distillation fabric is processed and dye sublimation problem when printing in textiles.
For achieving the above object, the present invention adopts following technical scheme: a kind of acrylic acid modified emulsion preparation technology who prevents dye migration and distillation, is characterized in that: this technique comprises the following steps:
One, at normal temperatures and pressures, emulsifying agent fatty alcohol-polyoxyethylene ether, Seconary Alkane Sulphonate Sodium and soft water are pressed to (1～3): (1～3): the weight ratio of (14～18) is uniformly mixed 3～4 minutes under 15～35 DEG C of states in emulsification pond, is made into initial pre-emulsion;
Two, main monomer butyl acrylate, vinyl cyanide, Isooctyl acrylate monomer are pressed to (50～70): (13～16): the weight ratio of (2～4) is in succession put in initial pre-emulsion and disperseed to stir 1～2 minute under 15～35 DEG C of states, prepares containing main monomer pre-emulsion;
Three, under the prerequisite of main monomer pre-emulsion success emulsification, by function monomer hydroxyethyl methylacrylate, methylene-succinic acid, vinylformic acid, glycidyl methacrylate, silane crosslinker under 15～35 DEG C of states by (1～2): (0.4～0.7): (0.4～0.7): (0.4～0.7): the weight ratio of (0.1～0.5) drop into successively main monomer pre-emulsion in dispersed with stirring, and add 0.1～0.3% ammonium persulfate initiator, stir and after 10～15 minutes, make stable reaction pre-emulsion;
Four, be 50～70% soft water and 0.9～1.5% ammonium persulphate toward adding weight ratio in oar formula reactor at normal temperatures and pressures, stir and be warming up to 70～80 DEG C;
Five, 3～5% pre-emulsion disposable putting in oar formula reactor on 70～80 DEG C of states carried out to initial pre-polymerization, now along with the carrying out reacting, temperature in reactor constantly raises, until the temperature in reactor is while again dropping to 80～83 DEG C, start to drip remaining pre-emulsion, time for adding is controlled at 3.5～4 hours, temperature of reaction is between 80～83 DEG C, drip after all pre-emulsions, under 83～85 DEG C of states, be incubated 1～1.5 hour, be cooled to afterwards below 40 DEG C;
Six, in the time that reactor temperature is below 40 DEG C, add 2～3% ammoniacal liquor to regulate pH value to 7～8;
Seven, discharging, screen filtration, finally makes the acrylic acid modified emulsion that prevents dye migration, distillation.
The best in quality umber of the each raw material of this acrylic acid modified emulsion is respectively 15 parts of soft water, 1.27 parts of fatty alcohol-polyoxyethylene ether, 1.27 parts of Seconary Alkane Sulphonate Sodium, 62.12 parts of butyl acrylates, 14.26 parts of vinyl cyanide, 3.31 parts of Isooctyl acrylate monomers, 1.27 parts of hydroxyethyl methylacrylates, 0.2 part of ammonium persulphate, 0.64 part of methylene-succinic acid, 0.64 part of vinylformic acid, 0.64 part of glycidyl methacrylate, 0.38 part of silane crosslinker.
The present invention adopts after technique scheme, and its beneficial effect is: adopt the coating adhesive of the ACRYLIC EMULSION modulation that prevents dye sublimation can effectively stop the distillation phenomenon of easy distillation fabric after gluing.Solve the affinity problem of acrylate resin and small molecules dyestuff, make it under hot conditions, resin polymer segment still can be lived small molecules coating dye, thereby prevents the migration distillation of dyestuff.Therefore the inventor has proposed a kind of better technical matters to obtain the finished product of better quality, and this product is suitable for textile coating stamp printing technology and uses as printing mortar.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail:
Embodiment 1:
Under 25 DEG C of normal temperature and pressures, get the soft water of 15kg, fatty alcohol-polyoxyethylene ether emulsifying agent 1.27kg, dispersed with stirring 3 minutes in Seconary Alkane Sulphonate Sodium emulsifying agent 1.27kg input emulsification pond.Then once drop into butyl acrylate 61.12kg, vinyl cyanide 14.26kg, Isooctyl acrylate monomer 3.31kg dispersed with stirring 2 minutes, continue again once to drop into hydroxyethyl methylacrylate 1.27kg, methylene-succinic acid 0.64kg, vinylformic acid 0.64kg, glycidyl methacrylate 0.64kg, silane crosslinker 0.38kg, ammonium persulphate 0.2kg, stirs and makes pre-emulsion after 15 minutes.
At normal temperatures and pressures, toward the soft water that adds 41.67kg in reactor, stir, be warming up to 78 DEG C.Add the ammonium persulphate of 0.9kg, getting 5% is that the disposable Polycondensation Reactor and Esterification Reactor that joins of pre-emulsion of 5kg is carried out pre-polymerization.After temperature occurs declining and gets back to 82 DEG C, start to drip remaining pre-emulsion, temperature of reaction remains on 80 ~ 83 DEG C, and time for adding is 3.5 hours.After dripping pre-emulsion, in 84 DEG C, it is incubated to 1 hour.After insulation finishes, be cooled to 40 DEG C, add the ammoniacal liquor of 2kg, adjust its pH value to 7 ~ 8, finally make the acrylic acid modified emulsion that prevents dye migration, distillation.
Embodiment 2:
Under 25 DEG C of normal temperature and pressures, get the soft water of 14kg, fatty alcohol-polyoxyethylene ether emulsifying agent 3kg, dispersed with stirring 3 minutes in Seconary Alkane Sulphonate Sodium emulsifying agent 3kg input emulsification pond.Then once drop into butyl acrylate 50kg, vinyl cyanide 16kg, Isooctyl acrylate monomer 4kg dispersed with stirring 2 minutes, continue again once to drop into hydroxyethyl methylacrylate 2kg, methylene-succinic acid 0.7kg, vinylformic acid 0.7kg, glycidyl methacrylate 0.7kg, silane crosslinker 0.5kg, ammonium persulphate 3.83kg, stirs and makes pre-emulsion after 15 minutes.
At normal temperatures and pressures, toward the soft water that adds 220.73kg in reactor, stir, be warming up to 78 DEG C.Add the ammonium persulphate of 0.9kg, getting 5% is that the disposable Polycondensation Reactor and Esterification Reactor that joins of pre-emulsion of 4.73kg is carried out pre-polymerization.After temperature occurs declining and gets back to 82 DEG C, start to drip remaining pre-emulsion, temperature of reaction remains on 80 ~ 83 DEG C, and time for adding is 3.5 hours.After dripping pre-emulsion, in 84 DEG C, it is incubated to 1 hour.After insulation finishes, be cooled to 40 DEG C, add the ammoniacal liquor of 9.46kg, adjust its pH value to 7 ~ 8, finally make the acrylic acid modified emulsion that prevents dye migration, distillation.
Embodiment 3:
Under 25 DEG C of normal temperature and pressures, get the soft water of 18kg, fatty alcohol-polyoxyethylene ether emulsifying agent 1kg, dispersed with stirring 3 minutes in Seconary Alkane Sulphonate Sodium emulsifying agent 1kg input emulsification pond.Then once drop into butyl acrylate 70kg, vinyl cyanide 13kg, Isooctyl acrylate monomer 2kg dispersed with stirring 2 minutes, continue again once to drop into hydroxyethyl methylacrylate 1kg, methylene-succinic acid 0.4kg, vinylformic acid 0.4kg, glycidyl methacrylate 0.4kg, silane crosslinker 0.1kg, ammonium persulphate 1kg, stirs and makes pre-emulsion after 15 minutes.
At normal temperatures and pressures, toward the soft water that adds 107.3kg in reactor, stir, be warming up to 78 DEG C.Add the ammonium persulphate of 0.9kg, getting 3% is that the disposable Polycondensation Reactor and Esterification Reactor that joins of pre-emulsion of 3.22kg is carried out pre-polymerization.After temperature occurs declining and gets back to 82 DEG C, start to drip remaining pre-emulsion, temperature of reaction remains on 80 ~ 83 DEG C, and time for adding is 3.5 hours.After dripping pre-emulsion, in 84 DEG C, it is incubated to 1 hour.After insulation finishes, be cooled to 40 DEG C, add the ammoniacal liquor of 2.15kg, adjust its pH value to 7 ~ 8, finally make the acrylic acid modified emulsion that prevents dye migration, distillation.
Of the present invention focusing on, adopts the coating adhesive of the ACRYLIC EMULSION modulation that prevents dye sublimation can effectively stop the distillation phenomenon of easy distillation fabric after gluing.Solve the affinity problem of acrylate resin and small molecules dyestuff, make it under hot conditions, resin polymer segment still can be lived small molecules coating dye, thereby prevents the migration distillation of dyestuff.Therefore the inventor has proposed a kind of better technical matters to obtain the finished product of better quality, and this product is suitable for textile coating stamp printing technology and uses as printing mortar.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, therefore any trickle amendment, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong in the scope of technical solution of the present invention.
Claims (2)
1. an acrylic acid modified emulsion preparation technology who prevents dye migration and distillation, is characterized in that: this technique comprises the following steps:
One, at normal temperatures and pressures, emulsifying agent fatty alcohol-polyoxyethylene ether, Seconary Alkane Sulphonate Sodium and soft water are pressed to (1～3): (1～3): the weight ratio of (14～18) is uniformly mixed 3～4 minutes under 15～35 DEG C of states in emulsification pond, is made into initial pre-emulsion;
Two, main monomer butyl acrylate, vinyl cyanide, Isooctyl acrylate monomer are pressed to (50～70): (13～16): the weight ratio of (2～4) is in succession put in initial pre-emulsion and disperseed to stir 1～2 minute under 15～35 DEG C of states, prepares containing main monomer pre-emulsion;
Three, under the prerequisite of main monomer pre-emulsion success emulsification, by function monomer hydroxyethyl methylacrylate, methylene-succinic acid, vinylformic acid, glycidyl methacrylate, silane crosslinker under 15～35 DEG C of states by (1～2): (0.4～0.7): (0.4～0.7): (0.4～0.7): the weight ratio of (0.1～0.5) drop into successively main monomer pre-emulsion in dispersed with stirring, and add 0.1～0.3% ammonium persulfate initiator, stir and after 10～15 minutes, make stable reaction pre-emulsion;
Four, be 50～70% soft water and 0.9～1.5% ammonium persulphate toward adding weight ratio in oar formula reactor at normal temperatures and pressures, stir and be warming up to 70～80 DEG C;
Five, 3～5% pre-emulsion disposable putting in oar formula reactor on 70～80 DEG C of states carried out to initial pre-polymerization, now along with the carrying out reacting, temperature in reactor constantly raises, until the temperature in reactor is while again dropping to 80～83 DEG C, start to drip remaining pre-emulsion, time for adding is controlled at 3.5～4 hours, temperature of reaction is between 80～83 DEG C, drip after all pre-emulsions, under 83～85 DEG C of states, be incubated 1～1.5 hour, be cooled to afterwards below 40 DEG C;
Six, in the time that reactor temperature is below 40 DEG C, add 2～3% ammoniacal liquor to regulate pH value to 7～8;
Seven, discharging, screen filtration, finally makes the acrylic acid modified emulsion that prevents dye migration, distillation.
2. the acrylic acid modified emulsion preparation technology who prevents dye migration and distillation according to claim 1, is characterized in that: the best in quality umber of the each raw material of this acrylic acid modified emulsion is respectively 15 parts of soft water, 1.27 parts of fatty alcohol-polyoxyethylene ether, 1.27 parts of Seconary Alkane Sulphonate Sodium, 62.12 parts of butyl acrylates, 14.26 parts of vinyl cyanide, 3.31 parts of Isooctyl acrylate monomers, 1.27 parts of hydroxyethyl methylacrylates, 0.2 part of ammonium persulphate, 0.64 part of methylene-succinic acid, 0.64 part of vinylformic acid, 0.64 part of glycidyl methacrylate, 0.38 part of silane crosslinker.
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| CN201410122273.3A CN103897100B (en) | 2014-03-31 | 2014-03-31 | A kind of acrylic acid modified emulsion preparation technology for preventing dye migration and distillation |
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| CN201410122273.3A CN103897100B (en) | 2014-03-31 | 2014-03-31 | A kind of acrylic acid modified emulsion preparation technology for preventing dye migration and distillation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108299584A (en) * | 2018-02-10 | 2018-07-20 | 无锡洪汇新材料科技股份有限公司 | Chloride-acrylonitrile-Isooctyl acrylate monomer copolymer emulsion and preparation method thereof |
| CN108373725A (en) * | 2018-03-19 | 2018-08-07 | 东莞市钟亿阻燃粘胶实业有限公司 | Anti- distillation bottoming slurry of one kind and its preparation method and application |
| CN110183909A (en) * | 2019-06-12 | 2019-08-30 | 深圳市前海幸运色彩科技有限公司 | A kind of wood skin coloring material and its preparation process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581045A (en) * | 2009-06-12 | 2009-11-18 | 辽宁恒星精细化工（集团）有限公司 | Elastic colorized printing paste and production method thereof |
| CN101928367A (en) * | 2010-08-24 | 2010-12-29 | 华南理工大学 | Environmentally-friendly acrylic ester coating printing adhesive emulsion and preparation method |
| CN102391411A (en) * | 2011-08-29 | 2012-03-28 | 华南理工大学 | Low-temperature self-crosslinking polyacrylate pigment printing binding agent and preparation method thereof |
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- 2014-03-31 CN CN201410122273.3A patent/CN103897100B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581045A (en) * | 2009-06-12 | 2009-11-18 | 辽宁恒星精细化工（集团）有限公司 | Elastic colorized printing paste and production method thereof |
| CN101928367A (en) * | 2010-08-24 | 2010-12-29 | 华南理工大学 | Environmentally-friendly acrylic ester coating printing adhesive emulsion and preparation method |
| CN102391411A (en) * | 2011-08-29 | 2012-03-28 | 华南理工大学 | Low-temperature self-crosslinking polyacrylate pigment printing binding agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108299584A (en) * | 2018-02-10 | 2018-07-20 | 无锡洪汇新材料科技股份有限公司 | Chloride-acrylonitrile-Isooctyl acrylate monomer copolymer emulsion and preparation method thereof |
| CN108373725A (en) * | 2018-03-19 | 2018-08-07 | 东莞市钟亿阻燃粘胶实业有限公司 | Anti- distillation bottoming slurry of one kind and its preparation method and application |
| CN110183909A (en) * | 2019-06-12 | 2019-08-30 | 深圳市前海幸运色彩科技有限公司 | A kind of wood skin coloring material and its preparation process |
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