CN104863015A - Composite wet strength agent and production method thereof - Google Patents
Composite wet strength agent and production method thereof Download PDFInfo
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- CN104863015A CN104863015A CN201510281014.XA CN201510281014A CN104863015A CN 104863015 A CN104863015 A CN 104863015A CN 201510281014 A CN201510281014 A CN 201510281014A CN 104863015 A CN104863015 A CN 104863015A
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Abstract
The invention discloses a composite wet strength agent and a production method thereof. The composite wet strength agent is prepared from, in parts by mass, 5-8 parts of polyamide epichlorhydrin, 3-4 parts of lauryl sodium sulfate, 4-7 parts of hydroxyethyl cetane cellulose, 8-10 parts of mono lauryl phosphate potassium, 5-7 parts of p-toluene sulfonic acid, 8-11 parts of polyethylene glycol, 12-15 parts of urea, 6-8 parts of polyethylene polyamine, 7-9 parts of cyclohexane, 4-5 parts of sodium sulfamate, 0.5-1.5 parts of catalyst, 7-8 parts of dodecyl trimethyl ammonium chloride and 13-21 parts of water by mixing, stirring, reacting and pH (potential of hydrogen) adjusting. The prepared composite wet strength agent is in an emulsion form and is better in stability; the retention time is a year; no organic solvent harmful to a human body is added in a preparation process, so that the composite wet strength agent is green and environment-friendly; and when the composite wet strength agent is used for coating paper, the dry and wet tensile strength of the paper is greatly improved.
Description
Technical field
The present invention relates to a kind of wet strength agent, specifically a kind of compound wet strength agent and production method thereof.
Background technology
Wet strength agent, as a kind of auxiliary agent, is mainly used in paper industry.Wet strength agent has permanence wet strength agent and provisional wet strength agent.Conventional wet strength agent is applied in the middle of paper products, and its tensile strength promotes less, can not promote the quality of paper preferably.Improve the effect of wet strength agent, need the intensity between fortifying fibre, form water insensitive chemical bond, form complicated polymer network etc., effectively could promote the performance of wet strength agent, improve the tensile strength of paper product.
Existing wet strength agent is based on PAE wet strength agent, employs organic solvent, formaldehydes polymer in PAE wet strength agent preparation process, to human health, and can produce harmful substance in preparation process, thus to environment.
Summary of the invention
The compound wet strength agent that the object of the present invention is to provide a kind of environmental protection, wet potent fruit good and production method thereof.
For achieving the above object, the invention provides following technical scheme:
A kind of compound wet strength agent, comprises according to the raw material of mass percent: polyamideepichlorohydrin 5-8 part, lauryl sodium sulfate 3-4 part, hydroxy ethyl cetyl cellulose 4-7 part, Monododecylphosphate potassium 8-10 part, p-methyl benzenesulfonic acid 5-7 part, polyethylene glycol 8-11 part, urea 12-15 part, polyethylene polyamine 6-8 part, cyclohexane 7-9 part, sulfamic acid sodium 4-5 part, catalyst 0.5-1.5 part, Dodecyl trimethyl ammonium chloride 7-8 part and water 13-21 part.
As the further scheme of the present invention: described polyethylene polyamine is one or more the mixture in diethylenetriamine, triethylene tetramine and tetraethylene pentamine.
As the further scheme of the present invention: described polyethylene polyamine is the diethylenetriamine of mass ratio 1:1 and the mixture of triethylene tetramine.
As the further scheme of the present invention: described catalyst is two hydrocarbon methylpropanoic acids or dicarboxyl half ester.
The production method of described compound wet strength agent, comprises the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 0.8-1.5h, mixing speed is 100-110r/min;
(2) take the mixing of urea, polyethylene polyamine and cyclohexane in proportion, joined in the mixture of step (1), continue to stir 8-12min, be then warming up to 45-55 DEG C of insulation reaction 1-2h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, catalyst and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 70-80 DEG C of insulation reaction 10-20h;
(4) after step (3) terminates, solution is cooled to room temperature, drips pH adjusting agent and regulate pH to 8.2, prepare compound wet strength agent.
As the further scheme of the present invention: described pH adjusting agent is the one in hydrochloric acid, sulfuric acid, nitric acid or acetic acid.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by the introducing of polyamideepichlorohydrin, lauryl sodium sulfate, polyethylene polyamine, urea, enhance intermolecular cohesive force, make the affinity between polymer and fiber stronger, and interlaced chain structure can be formed at fiber peripheral, affinity between further fortifying fibre and fiber, the imbibition of restriction fiber, thus restriction paper dilatation, improve the wet strength of paper; The compound wet strength agent that the present invention obtains is emulsion-type, and stability is better, and under rotating speed is 4000rpm, centrifugal 30 to 50min is without lamination, and solid content is between 47.8wt% to 51.1wt%.
The present invention adopts the stable cyclohexane that can dissolve each other with solvent arbitrary proportion, and the holding time of obtained compound wet strength agent reaches 1 year; In preparation process, do not add harmful organic solvent, without the release of free formaldehyde, accessory substance does not pollute the environment, environmental protection; During for Coated Paper, dry tensile strength increases to 6.25-6.82kN/m from 4.32 kN/m, wet tensile (strength) increases to 3.74-3.89kN/m from 1.05kN/m, tensile strength (wet/dry) is up to 56.33-59.84%, dry, the wet tensile (strength) of paper are all greatly improved, and the paper after coating has good WATER RESISTANCE.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of compound wet strength agent, comprises according to the raw material of mass percent: polyamideepichlorohydrin 5 parts, lauryl sodium sulfate 3.5 parts, hydroxy ethyl cetyl cellulose 7 parts, 8 parts, Monododecylphosphate potassium, p-methyl benzenesulfonic acid 7 parts, polyethylene glycol 11 parts, 12 parts, urea, diethylenetriamine 6 parts, cyclohexane 7 parts, 4 parts, sulfamic acid sodium, dicarboxyl half ester 0.5 part, Dodecyl trimethyl ammonium chloride 8 parts and 21 parts, water.
The production method of described compound wet strength agent, comprises the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 0.8h, mixing speed is 110r/min;
(2) take the mixing of urea, diethylenetriamine and cyclohexane in proportion, joined in the mixture of step (1), continue to stir 12min, be then warming up to 55 DEG C of insulation reaction 2h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, dicarboxyl half ester and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 70 DEG C of insulation reaction 20h;
(4) after step (3) terminates, solution is cooled to room temperature, drips sulphur acid for adjusting pH to 8.2, prepare compound wet strength agent.
Embodiment 2
In the embodiment of the present invention, a kind of compound wet strength agent, comprises according to the raw material of mass percent: the diethylenetriamine of polyamideepichlorohydrin 6 parts, lauryl sodium sulfate 4 parts, hydroxy ethyl cetyl cellulose 6 parts, 9 parts, Monododecylphosphate potassium, p-methyl benzenesulfonic acid 6 parts, polyethylene glycol 10 parts, 13 parts, urea, mass ratio 1:1 and 7 parts, the mixture of triethylene tetramine, cyclohexane 8 parts, 4.5 parts, sulfamic acid sodium, two hydrocarbon methylpropanoic acid 1 part, Dodecyl trimethyl ammonium chloride 7.5 parts and 18 parts, water.
The production method of described compound wet strength agent, comprises the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 1.2h, mixing speed is 105r/min;
(2) take urea, the diethylenetriamine of mass ratio 1:1 and the mixture of triethylene tetramine and cyclohexane mixing in proportion, joined in the mixture of step (1), continue to stir 10min, be then warming up to 50 DEG C of insulation reaction 1.5h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, two hydrocarbon methylpropanoic acids and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 75 DEG C of insulation reaction 16h;
(4) after step (3) terminates, solution is cooled to room temperature, drips nitre acid for adjusting pH to 8.2, prepare compound wet strength agent.
Embodiment 3
In the embodiment of the present invention, a kind of compound wet strength agent, comprises according to the raw material of mass percent: polyamideepichlorohydrin 8 parts, lauryl sodium sulfate 3.5 parts, hydroxy ethyl cetyl cellulose 4 parts, 10 parts, Monododecylphosphate potassium, p-methyl benzenesulfonic acid 5 parts, polyethylene glycol 8 parts, 15 parts, urea, tetraethylene pentamine 8 parts, cyclohexane 7 parts, 5 parts, sulfamic acid sodium, two hydrocarbon methylpropanoic acid 1.5 parts, Dodecyl trimethyl ammonium chloride 7 parts and 18 parts, water.
The production method of described compound wet strength agent, comprises the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 1.5h, mixing speed is 100r/min;
(2) take the mixing of urea, tetraethylene pentamine and cyclohexane in proportion, joined in the mixture of step (1), continue to stir 8min, be then warming up to 45 DEG C of insulation reaction 1h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, two hydrocarbon methylpropanoic acids and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 80 DEG C of insulation reaction 10h;
(4) after step (3) terminates, solution is cooled to room temperature, drips second acid for adjusting pH to 8.2, prepare compound wet strength agent.
Embodiment 4
In the embodiment of the present invention, a kind of compound wet strength agent, comprises according to the raw material of mass percent: polyamideepichlorohydrin 7 parts, lauryl sodium sulfate 3 parts, hydroxy ethyl cetyl cellulose 7 parts, 10 parts, Monododecylphosphate potassium, p-methyl benzenesulfonic acid 7 parts, polyethylene glycol 9 parts, 14 parts, urea, triethylene tetramine 8 parts, cyclohexane 9 parts, 4 parts, sulfamic acid sodium, dicarboxyl half ester 1 part, Dodecyl trimethyl ammonium chloride 8 parts and 13 parts, water.
The production method of described compound wet strength agent, comprises the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 0.8h, mixing speed is 100r/min;
(2) take the mixing of urea, triethylene tetramine and cyclohexane in proportion, joined in the mixture of step (1), continue to stir 12min, be then warming up to 55 DEG C of insulation reaction 1h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, dicarboxyl half ester and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 80 DEG C of insulation reaction 13h;
(4) after step (3) terminates, solution is cooled to room temperature, drips salt acid for adjusting pH to 8.2, prepare compound wet strength agent.
Solid content and the dewatering ability situation of the compound wet strength agent that above-described embodiment obtains are as shown in table 1 below.
The solid content of the compound wet strength agent of table 1 embodiment 1-4 and dewatering ability result
The performance indications of coated paper: not to be coated with the paper of wet strength agent for blank group, be coated on the tow sides of paper after respectively the compound wet strength agent of embodiment of the present invention 1-4 being diluted to the concentration of 5wt%, dilution coating weight is 7g/m
2, dry at 60 DEG C of temperature after coating, measure dry tensile strength and the wet tensile (strength) of blank group and embodiment 1-4 after finish-drying, test result is as shown in table 2 below.
The dry tensile strength of table 2 blank group and embodiment 1-4 and wet tensile (strength)
| Blank group | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Dry tensile strength (kN/m) | 4.32 | 6.25 | 6.82 | 6.71 | 6.36 |
| Wet tensile (strength) (kN/m) | 1.05 | 3.74 | 3.89 | 3.78 | 3.75 |
| Tensile strength (wet/dry) (%) | 24.31 | 59.84 | 57.04 | 56.33 | 58.96 |
As can be seen from above-mentioned table, compound wet strength agent of the present invention has good dewatering ability, the tensile strength of paper can also be improved significantly simultaneously, during for Coated Paper, dry tensile strength increases to 6.25-6.82kN/m from 4.32 kN/m, and wet tensile (strength) increases to 3.74-3.89kN/m from 1.05kN/m, and tensile strength (wet/dry) is up to 56.33-59.84%, dry, the wet tensile (strength) of paper are all greatly improved, and the paper after coating has good WATER RESISTANCE.The compound wet strength agent that the present invention obtains can be widely applied in paper industry, the quality of improving product.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a compound wet strength agent, it is characterized in that, comprise according to the raw material of mass percent: polyamideepichlorohydrin 5-8 part, lauryl sodium sulfate 3-4 part, hydroxy ethyl cetyl cellulose 4-7 part, Monododecylphosphate potassium 8-10 part, p-methyl benzenesulfonic acid 5-7 part, polyethylene glycol 8-11 part, urea 12-15 part, polyethylene polyamine 6-8 part, cyclohexane 7-9 part, sulfamic acid sodium 4-5 part, catalyst 0.5-1.5 part, Dodecyl trimethyl ammonium chloride 7-8 part and water 13-21 part.
2. compound wet strength agent according to claim 1, is characterized in that, described polyethylene polyamine is one or more the mixture in diethylenetriamine, triethylene tetramine and tetraethylene pentamine.
3. compound wet strength agent according to claim 2, is characterized in that, described polyethylene polyamine is the diethylenetriamine of mass ratio 1:1 and the mixture of triethylene tetramine.
4. compound wet strength agent according to claim 1, is characterized in that, described catalyst is two hydrocarbon methylpropanoic acids or dicarboxyl half ester.
5. a production method for the compound wet strength agent as described in as arbitrary in claim 1-4, is characterized in that, comprise the following steps:
(1) take polyamideepichlorohydrin, lauryl sodium sulfate, hydroxy ethyl cetyl cellulose, Monododecylphosphate potassium, p-methyl benzenesulfonic acid and polyethylene glycol in proportion, mixing, stirring reaction 0.8-1.5h, mixing speed is 100-110r/min;
(2) take the mixing of urea, polyethylene polyamine and cyclohexane in proportion, joined in the mixture of step (1), continue to stir 8-12min, be then warming up to 45-55 DEG C of insulation reaction 1-2h;
(3) sulfamic acid sodium is taken in proportion and water is mixed to get sulfamic acid sodium water solution, then in proportion sulfamic acid sodium water solution, catalyst and Dodecyl trimethyl ammonium chloride are joined in the mixture after step (2) insulation reaction, be warming up to 70-80 DEG C of insulation reaction 10-20h;
(4) after step (3) terminates, solution is cooled to room temperature, drips pH adjusting agent and regulate pH to 8.2, prepare compound wet strength agent.
6. the production method of compound wet strength agent according to claim 5, is characterized in that, described pH adjusting agent is the one in hydrochloric acid, sulfuric acid, nitric acid or acetic acid.
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| CN201510281014.XA CN104863015A (en) | 2015-05-28 | 2015-05-28 | Composite wet strength agent and production method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044071A (en) * | 2017-04-12 | 2017-08-15 | 镇江市天亿化工研究设计院有限公司 | A kind of production method of wet strength agent |
| CN109575278A (en) * | 2018-11-22 | 2019-04-05 | 山东同创精细化工股份有限公司 | A kind of strong PAE of high humidity and preparation method thereof |
| CN113980602A (en) * | 2019-03-29 | 2022-01-28 | 浙江欧仁新材料有限公司 | Preparation process of adhesive tape capable of preventing adhesive residue |
| CN114481692A (en) * | 2022-03-01 | 2022-05-13 | 山东博汇纸业股份有限公司 | Composite paper strength enhancer and preparation method thereof |
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| CN103866638A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Environment-friendly wet strength agent and preparation method thereof |
| CN103981760A (en) * | 2014-04-21 | 2014-08-13 | 苏州恒康新材料有限公司 | Modified polyamine epichlorohydrin wet strength agent and preparation method thereof |
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| CN101328696A (en) * | 2008-07-31 | 2008-12-24 | 中国印钞造币总公司 | Wet strength agent for paper making and preparation thereof |
| CN101392478A (en) * | 2008-11-17 | 2009-03-25 | 陕西科技大学 | Method for preparing epoxy cross-linking modified paper wet-strengthening agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044071A (en) * | 2017-04-12 | 2017-08-15 | 镇江市天亿化工研究设计院有限公司 | A kind of production method of wet strength agent |
| CN109575278A (en) * | 2018-11-22 | 2019-04-05 | 山东同创精细化工股份有限公司 | A kind of strong PAE of high humidity and preparation method thereof |
| CN113980602A (en) * | 2019-03-29 | 2022-01-28 | 浙江欧仁新材料有限公司 | Preparation process of adhesive tape capable of preventing adhesive residue |
| CN113980602B (en) * | 2019-03-29 | 2022-12-27 | 浙江欧仁新材料有限公司 | Preparation process of adhesive tape capable of preventing adhesive residue |
| CN114481692A (en) * | 2022-03-01 | 2022-05-13 | 山东博汇纸业股份有限公司 | Composite paper strength enhancer and preparation method thereof |
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Application publication date: 20150826 |