CN104558379A - Preparation technology of polyacrylic ester adhesive - Google Patents
Preparation technology of polyacrylic ester adhesive Download PDFInfo
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- CN104558379A CN104558379A CN201310478601.9A CN201310478601A CN104558379A CN 104558379 A CN104558379 A CN 104558379A CN 201310478601 A CN201310478601 A CN 201310478601A CN 104558379 A CN104558379 A CN 104558379A
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Abstract
The invention discloses a preparation technology of a polyacrylic ester adhesive. The monomer of the polyacrylic ester adhesive is emulsified according to a multi-step method, so that the stability of the obtained emulsion is higher than that of an emulsion obtained according to a one-step method; the temperature during emulsification is a constant temperature being 40 DEG C, so that the stability of the obtained emulsion is relatively high, and both over-low temperature and over-high temperature are bad for the stability of the obtained emulsion. An initiator is added in three steps: double dropwise adding is carried out after the PH value of the emulsion is pre-adjusted to be 5, wherein the temperature is a constant temperature being 80 to 85 DEG C, and the period is 100 minutes; the initiator is added again; the temperature is raised by 3 to 5 DEG C; the raised temperature is kept for 8 minutes till the reaction is finished, so that the adhesive product with superior application performance can be obtained.
Description
Technical field
The invention belongs to tackiness agent preparation technology, be specifically related to a kind of palyacrylate binder preparation technology.
Background technology
Pigment printing has that technique is simple, save energy, lovely luster, wide application and the advantage such as environmental pollution is little, by printing and dyeing enterprise widespread use.At present, the pigment printing binding agent overwhelming majority is polymer emulsion, emulsion binding agent for textile printing can be divided into polyacrylate(s), butadiene type, vinyl acetate class and polyurethanes by its chemical structure, wherein, the application of polyacrylate(s) tackiness agent is the most general, and the application performance of preparation process condition on tackiness agent has remarkably influenced, the emulsification of current many employing single stage method, stability of emulsion is poor.
Summary of the invention
In order to overcome the above-mentioned defect that prior art field exists, the object of the invention is to, a kind of palyacrylate binder preparation technology is provided, simple to operation.
Palyacrylate binder preparation technology provided by the invention, preparation technology is as follows:
A, monomer pre-emulsification: monomer, emulsifying agent and the hydromining method of fractional steps are added in container, at the specified temperature, rapid stirring emulsification 50-60 min, the method of fractional steps reinforced (theoretical solid content 30%) is: emulsifier op-10 1.5% (to monomer mass), sodium lauryl sulphate 2.4% (to monomer mass) and water, quick emulsification 10 min; Vinylformic acid (2%), butyl acrylate (63%), quick emulsification 10 min; Vinylbenzene (10%), quick emulsification 15 min; Methyl acrylate (23%), N hydroxymethyl acrylamide (2%), quick emulsification 15 min, emulsification terminates;
B, polyreaction: after pre-emulsification terminates, pre-emulsion pH=5 is regulated with sodium bicarbonate, 1/6 pre-emulsion is added remainder water as bottoming liquid, be warming up to 80-85 DEG C, add the initiator of 1/5, after in container, emulsion presents blue-fluorescence, start two initiator dripping remaining pre-emulsion and 3/5, after two dropping terminates, add residue initiator, intensification 3-5 DEG C and held for some time make monomer thoroughly react, finally lower the temperature, add ammoniacal liquor, regulate adhesive agent emulsion pH to be 6, filter discharging, obtain pigment printing binding agent.
Palyacrylate binder preparation technology provided by the invention, its beneficial effect is, relative to single stage method emulsification, in substep emulsification, drop into the stronger monomer of hydrophobicity at first, can effectively by stable dispersion under the condition that emulsifier concentration is relatively high, and have enough emulsifier package to overlay on established emulsion particle surface, reduce the interfacial energy between emulsion particle and water, enhance emulsion intercalation method, be beneficial to letex polymerization.The mode that initiator adopts point 3 steps to add, product dry/fastness to wet rubbing, contamination resistance are best, can obtain the adhesive product that application performance is excellent.
Embodiment
Below in conjunction with an embodiment, palyacrylate binder preparation technology provided by the invention is described in detail.
Embodiment
A, monomer pre-emulsification: monomer, emulsifying agent and the hydromining method of fractional steps are added in container, at the specified temperature, rapid stirring emulsification 50-60 min, the method of fractional steps reinforced (theoretical solid content 30%) is: emulsifier op-10 1.5% (to monomer mass), sodium lauryl sulphate 2.4% (to monomer mass) and water, quick emulsification 10 min; Vinylformic acid (2%), butyl acrylate (63%), quick emulsification 10 min; Vinylbenzene (10%), quick emulsification 15 min; Methyl acrylate (23%), N hydroxymethyl acrylamide (2%), quick emulsification 15 min, emulsification terminates;
B, polyreaction: after pre-emulsification terminates, pre-emulsion pH=5 is regulated with sodium bicarbonate, 1/6 pre-emulsion is added remainder water as bottoming liquid, be warming up to 80-85 DEG C, add the initiator of 1/5, after in container, emulsion presents blue-fluorescence, start two initiator dripping remaining pre-emulsion and 3/5, after two dropping terminates, add residue initiator, intensification 3-5 DEG C and held for some time make monomer thoroughly react, finally lower the temperature, add ammoniacal liquor, regulate adhesive agent emulsion pH to be 6, filter discharging, obtain pigment printing binding agent.
Claims (1)
1. a palyacrylate binder preparation technology, is characterized in that: preparation technology is as follows:
A, monomer pre-emulsification: monomer, emulsifying agent and the hydromining method of fractional steps are added in container, at the specified temperature, rapid stirring emulsification 50-60 min, the method of fractional steps reinforced (theoretical solid content 30%) is: emulsifier op-10 1.5% (to monomer mass), sodium lauryl sulphate 2.4% (to monomer mass) and water, quick emulsification 10 min; Vinylformic acid (2%), butyl acrylate (63%), quick emulsification 10 min; Vinylbenzene (10%), quick emulsification 15 min; Methyl acrylate (23%), N hydroxymethyl acrylamide (2%), quick emulsification 15 min, emulsification terminates;
B, polyreaction: after pre-emulsification terminates, pre-emulsion pH=5 is regulated with sodium bicarbonate, 1/6 pre-emulsion is added remainder water as bottoming liquid, be warming up to 80-85 DEG C, add the initiator of 1/5, after in container, emulsion presents blue-fluorescence, start two initiator dripping remaining pre-emulsion and 3/5, after two dropping terminates, add residue initiator, intensification 3-5 DEG C and held for some time make monomer thoroughly react, finally lower the temperature, add ammoniacal liquor, regulate adhesive agent emulsion pH to be 6, filter discharging, obtain pigment printing binding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478601.9A CN104558379A (en) | 2013-10-15 | 2013-10-15 | Preparation technology of polyacrylic ester adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478601.9A CN104558379A (en) | 2013-10-15 | 2013-10-15 | Preparation technology of polyacrylic ester adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104558379A true CN104558379A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310478601.9A Pending CN104558379A (en) | 2013-10-15 | 2013-10-15 | Preparation technology of polyacrylic ester adhesive |
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| CN (1) | CN104558379A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601835A (en) * | 2015-11-18 | 2016-05-25 | 吉林建筑大学 | Vinyl acetate/butyl acrylate/acrylic acid ternary soap-free emulsion and preparation method thereof |
| CN106866871A (en) * | 2017-01-17 | 2017-06-20 | 常州大学 | One kind has ultraviolet protection function palyacrylate binder and preparation method thereof |
| CN108486885A (en) * | 2018-04-12 | 2018-09-04 | 张建华 | A kind of deflation agent and preparation method thereof |
| CN110894680A (en) * | 2019-10-08 | 2020-03-20 | 杭州天瑞印染有限公司 | Low-temperature adhesive for polyester cotton cloth |
-
2013
- 2013-10-15 CN CN201310478601.9A patent/CN104558379A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105601835A (en) * | 2015-11-18 | 2016-05-25 | 吉林建筑大学 | Vinyl acetate/butyl acrylate/acrylic acid ternary soap-free emulsion and preparation method thereof |
| CN106866871A (en) * | 2017-01-17 | 2017-06-20 | 常州大学 | One kind has ultraviolet protection function palyacrylate binder and preparation method thereof |
| CN106866871B (en) * | 2017-01-17 | 2019-07-09 | 常州大学 | One kind having the function of ultraviolet protection palyacrylate binder and preparation method thereof |
| CN108486885A (en) * | 2018-04-12 | 2018-09-04 | 张建华 | A kind of deflation agent and preparation method thereof |
| CN110894680A (en) * | 2019-10-08 | 2020-03-20 | 杭州天瑞印染有限公司 | Low-temperature adhesive for polyester cotton cloth |
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Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |