CN103554402A - Modified amino resin for desiccant for corrugated case and preparation method thereof - Google Patents
Modified amino resin for desiccant for corrugated case and preparation method thereof Download PDFInfo
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- CN103554402A CN103554402A CN201310473793.4A CN201310473793A CN103554402A CN 103554402 A CN103554402 A CN 103554402A CN 201310473793 A CN201310473793 A CN 201310473793A CN 103554402 A CN103554402 A CN 103554402A
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- corrugated paper
- paper box
- aminoresin
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Abstract
The invention relates to a modified amino resin for a corrugated case desiccant and a preparation method thereof. The modified amino resin for the corrugated case desiccant mainly comprises urea, formaldehyde, n-butanol, phthalic anhydride, xylene and sodium hydroxide. The modified amino resin for the corrugated case desiccant has the advantages of high curing speed, smooth film and firmness, and has good waterproofness and humidity resistance when applied to the corrugated case.
Description
Technical field
The present invention relates to modified aminoresin and preparation method thereof for a kind of corrugated paper box dampproof agent, belonged to packaging paper product auxiliary agent technical field.
Background technology
In all kinds of packings of Industrial products, Corrugated Box has become the main flow of packing business, because it is lightweight, collapsible, and cost is low, environmental protection, specification easily changes, can carry out high-quality printing, after recovery, can be used as renewable resources, therefore, use range is more and more wider, but it has a fatal weakness to be: carton surface easily makes moist, meet after water, physical properties index all can hurriedly decline, and when accumulating link is more severe, just needs Corrugated Box to possess certain protection against the tide, water-proof function.At present, this requirement of shelter on Corrugated Box surface, is being divided into two classes traditionally: a class is to adopt weather-proof dressing, on Corrugated Box surface, is coated with last layer non-blushing thinner; Two classes are directly to adopt waterproof packing, but this type of way packing cost is high, and user is difficult to accept.No matter adopt which kind of method all to have certain defect: if the protection against the tide having on market, water-resisting agent are because the defect that its resin quality exists itself makes protection against the tide, water resistance index is on the low side; operate in addition improper use; cause brushing inhomogeneous; be prone to localized seepage's point; the not environmental protection having or manufacturing cost are higher, are difficult to carry out the defects such as industrialized mass production.Therefore, in the urgent need to research, release a kind of Novel corrugated carton non-blushing thinner with good waterproof, humidity resistance, to meet the demand of various Corrugated Box packings.
Summary of the invention
Object of the present invention and technical problem to be solved are to provide a kind of Novel corrugated carton non-blushing thinner aminoresin with good waterproof, humidity resistance,
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions, it is characterized in that this corrugated paper box dampproof agent with modified aminoresin mainly by: urea, formaldehyde, propyl carbinol, Tetra hydro Phthalic anhydride, dimethylbenzene, sodium hydroxide etc. form.
Modified aminoresin and preparation method thereof for a kind of corrugated paper box dampproof agent, this corrugated paper box dampproof agent with aminoresin by its weight percent is: urea 8.0%～15%; Formaldehyde 30%～50%; Propyl carbinol 30%～50%; Tetra hydro Phthalic anhydride 0.1%～0.5%; Dimethylbenzene 1.0%～2.0%; Sodium hydroxide forms in right amount.
Its preparation method is: formaldehyde, propyl carbinol, dimethylbenzene are dropped in reactor, under stirring state, add urea, then stir and heat up 150 ℃, and reflux 2.5 hours, add Tetra hydro Phthalic anhydride, with sodium hydroxide, adjust pH value to 4.5～5.0, reflux again 1.5 hours, after static minute water, start stirring, temperature rising reflux water outlet, until more than 105 ℃, steam part butanols, adjust viscosity to qualified, be cooled to after room temperature, purification filtering is packed.
Embodiment
Below in conjunction with embodiment, the invention will be further described
1, by its weight percent, accurately take urea 12%; Formaldehyde 40%; Propyl carbinol 37%; Tetra hydro Phthalic anhydride 0.2%; Dimethylbenzene 1.5%; Sodium hydroxide is appropriate, standby.
2, preparation method
Formaldehyde, propyl carbinol, dimethylbenzene are dropped in reactor, under stirring state, add urea, then stir and heat up 150 ℃, and reflux 2.5 hours, add Tetra hydro Phthalic anhydride, with sodium hydroxide, adjust pH value to 4.5～5.0, reflux again 1.5 hours, after static minute water, start stirring, temperature rising reflux water outlet, until more than 105 ℃, steam part butanols, adjust viscosity to qualified, be cooled to after room temperature, purification filtering is packed.
Claims (3)
1. modified aminoresin and preparation method thereof for a corrugated paper box dampproof agent, it is characterized in that this corrugated paper box dampproof agent with aminoresin mainly by: urea, formaldehyde, propyl carbinol, Tetra hydro Phthalic anhydride, dimethylbenzene, sodium hydroxide etc. form.
2. according to the modified aminoresin and preparation method thereof for a kind of corrugated paper box dampproof agent described in right 1, this corrugated paper box dampproof agent with aminoresin by its weight percent is: urea 8.0%～15%; Formaldehyde 30%～50%; Propyl carbinol 30%～50%; Tetra hydro Phthalic anhydride 0.1%～0.5%; Dimethylbenzene 1.0%～2.0%; Sodium hydroxide forms in right amount.
3. according to a kind of corrugated paper box dampproof agent modified aminoresin described in right 1, its preparation method is: formaldehyde, propyl carbinol, dimethylbenzene are dropped in reactor, under stirring state, add urea, then stir and heat up 150 ℃, and reflux 2.5 hours, add Tetra hydro Phthalic anhydride, with sodium hydroxide, adjust pH value to 4.5～5.0, then reflux 1.5 hours, after static minute water, start stirring, temperature rising reflux water outlet, until more than 105 ℃, steam part butanols, adjust viscosity to qualified, be cooled to after room temperature, purification filtering is packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473793.4A CN103554402A (en) | 2013-10-09 | 2013-10-09 | Modified amino resin for desiccant for corrugated case and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473793.4A CN103554402A (en) | 2013-10-09 | 2013-10-09 | Modified amino resin for desiccant for corrugated case and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103554402A true CN103554402A (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310473793.4A Pending CN103554402A (en) | 2013-10-09 | 2013-10-09 | Modified amino resin for desiccant for corrugated case and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103554402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350396A (en) * | 2015-09-25 | 2016-02-24 | 句容市兴武包装有限公司 | Corrugated carton moisture-proofing agent and preparation method therefor |
-
2013
- 2013-10-09 CN CN201310473793.4A patent/CN103554402A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350396A (en) * | 2015-09-25 | 2016-02-24 | 句容市兴武包装有限公司 | Corrugated carton moisture-proofing agent and preparation method therefor |
| CN105350396B (en) * | 2015-09-25 | 2017-07-28 | 句容市兴武包装有限公司 | A kind of corrugated paper box dampproof agent and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140205 |