CN103993503B - Water-soluble wet strengthening agents for papermaking and preparation method thereof - Google Patents
Water-soluble wet strengthening agents for papermaking and preparation method thereof Download PDFInfo
- Publication number
- CN103993503B CN103993503B CN201410158935.2A CN201410158935A CN103993503B CN 103993503 B CN103993503 B CN 103993503B CN 201410158935 A CN201410158935 A CN 201410158935A CN 103993503 B CN103993503 B CN 103993503B
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- glycol
- polyisocyanates
- stearate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Paper (AREA)
Abstract
The invention discloses a kind of water-soluble wet strengthening agents for papermaking and preparation method thereof, wet strength agent comprises following raw material: polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane, methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water.Its preparation method is by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 0.8 ~ 1.5h, mixing speed is 90 ~ 100r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 10 ~ 20h, leaves standstill.The present invention has higher wet potent fruit, increases dryly to pretend use, and the folding quality for paper is also significantly improved.
Description
Technical field
The present invention relates to papermaking treatments field, particularly relate to a kind of water-soluble wet strengthening agents for papermaking and preparation method thereof.
Background technology
What the wet strength agent of prior art was conventional is the synthetic resin such as urea aldehyde, melamine, makes paper moist or still can be kept certain mechanical strength during water thorough impregnation, for some industrial and technical paper of manufacturing paper with pulp.But general wet strength agent unstable properties, apt to deteriorate, the holding time is short, and the wet strength agent produced now generally focuses on dry strength and wet strength, and the research for the folding quality of its Coated Paper is less.
Summary of the invention
The object of the invention is: provide a kind of water-soluble wet strengthening agents for papermaking and preparation method thereof, the holding time is long, and the folding quality for paper is good.
The present invention is technical solution problem by the following technical solutions:
A kind of water-soluble wet strengthening agents for papermaking, comprises the raw material of following parts by weight: polyisocyanates 30 ~ 40 parts, sodium hydrogensulfite 40 ~ 50 parts, dimethyl diallyl ammonium chloride 20 ~ 40 parts, para hydroxybenzene first methyl esters 40 ~ 50 parts, polyethylene glycol 50 ~ 55 parts, propylene glycol 60 ~ 67 parts, cyclohexane 70 ~ 80 parts, methoxy benzophenone 60 ~ 70 parts, glycol stearate 80 ~ 90 parts, polyamide polyamine epichlorohydrin 20 ~ 30 parts, ethylenediamine 40 ~ 50 parts, barium stearate 30 ~ 40 parts, 70 ~ 90 parts, water.
As preferably, polyisocyanates is one or more in toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, six methylene diisocyanates, isophorone diisocyanate.
As preferably, polyisocyanates is toluene di-isocyanate(TDI) and the '-diphenylmethane diisocyanate of mass ratio 1:1.
The preparation method of above-mentioned wet strength agent, comprise the following steps: by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 0.8 ~ 1.5h, mixing speed is 90 ~ 100r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 10 ~ 20h, leaves standstill.
As preferably, first time stirring reaction 1.2h, mixing speed is 95r/min.
technique effect
Containing stable cyclohexane in the present invention, can dissolve each other with solvent arbitrary proportion, its holding time reaches about 1 year.
The present invention has higher wet potent fruit, increases dryly to pretend use, and its anti-index that rises (wet/dry) 18.93 ~ 19.63%, far away higher than 17.52% of prior art; Folding strength is up to 83 times, and the folding strength of blank group is only 30 times, and the folding strength of contrast groups also only 55 times, bursting strength, between 456 ~ 478Kpa, illustrates that the present invention is also significantly improved for the folding quality of paper.
Detailed description of the invention
embodiment 1
A kind of water-soluble wet strengthening agents for papermaking, comprises the raw material of following parts by weight: polyisocyanates 30 parts, sodium hydrogensulfite 40 parts, dimethyl diallyl ammonium chloride 20 parts, para hydroxybenzene first methyl esters 40 parts, polyethylene glycol 50 parts, propylene glycol 60 parts, cyclohexane 70 parts, methoxy benzophenone 60 parts, glycol stearate 80 parts, polyamide polyamine epichlorohydrin 20 parts, ethylenediamine 40 parts, barium stearate 30 parts, 70 parts, water.
Wherein, polyisocyanates is toluene di-isocyanate(TDI) and the '-diphenylmethane diisocyanate of mass ratio 1:1.
The preparation method of above-mentioned wet strength agent, comprise the following steps: by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 0.8h, mixing speed is 90r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 10h, leaves standstill.
embodiment 2
A kind of water-soluble wet strengthening agents for papermaking, comprises the raw material of following parts by weight: polyisocyanates 40 parts, sodium hydrogensulfite 50 parts, dimethyl diallyl ammonium chloride 40 parts, para hydroxybenzene first methyl esters 50 parts, polyethylene glycol 55 parts, propylene glycol 67 parts, cyclohexane 80 parts, methoxy benzophenone 70 parts, glycol stearate 90 parts, polyamide polyamine epichlorohydrin 30 parts, ethylenediamine 50 parts, barium stearate 40 parts, 90 parts, water.
Wherein, polyisocyanates is six methylene diisocyanates.
The preparation method of above-mentioned wet strength agent, comprise the following steps: by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 1.5h, mixing speed is 100r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 20h, leaves standstill.
embodiment 3
A kind of water-soluble wet strengthening agents for papermaking, comprises the raw material of following parts by weight: polyisocyanates 35 parts, sodium hydrogensulfite 45 parts, dimethyl diallyl ammonium chloride 30 parts, para hydroxybenzene first methyl esters 45 parts, polyethylene glycol 58 parts, propylene glycol 65 parts, cyclohexane 75 parts, methoxy benzophenone 65 parts, glycol stearate 85 parts, polyamide polyamine epichlorohydrin 25 parts, ethylenediamine 45 parts, barium stearate 35 parts, 80 parts, water.
Wherein, polyisocyanates is isophorone diisocyanate.
The preparation method of above-mentioned wet strength agent, comprise the following steps: by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 1h, mixing speed is 95r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 15h, leaves standstill.
the performance indications of coated paper:
Contrast: adopt sample prepared by CN1966855A method.
Carry out performance test according to for the wet strength agent of GB12005.1-89 to blank, contrast and embodiment 1 ~ 3, the results are shown in following table.
| Blank | Contrast | Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Wet/dry % of the anti-index that rises | 16.69 | 17.52 | 19.63 | 18.93 | 19.02 |
| Folding strength (secondary) | 30 | 55 | 86 | 93 | 88 |
| Bursting strength Kpa | 303 | 389 | 456 | 478 | 473 |
The present invention has higher wet potent fruit, increases dryly to pretend use, and its anti-index that rises (wet/dry) 18.93 ~ 19.63%, far away higher than 17.52% of prior art; Folding strength is up to 83 times, and the folding strength of blank group is only 30 times, and the folding strength of contrast groups also only 55 times, bursting strength, between 456 ~ 478Kpa, illustrates that the present invention is also significantly improved for the folding quality of paper.
Claims (2)
1. a water-soluble wet strengthening agents for papermaking, it is characterized in that, comprise the raw material of following parts by weight: polyisocyanates 30 ~ 40 parts, sodium hydrogensulfite 40 ~ 50 parts, dimethyl diallyl ammonium chloride 20 ~ 40 parts, para hydroxybenzene first methyl esters 40 ~ 50 parts, polyethylene glycol 50 ~ 55 parts, propylene glycol 60 ~ 67 parts, cyclohexane 70 ~ 80 parts, methoxy benzophenone 60 ~ 70 parts, glycol stearate 80 ~ 90 parts, polyamide polyamine epichlorohydrin 20 ~ 30 parts, ethylenediamine 40 ~ 50 parts, barium stearate 30 ~ 40 parts, 70 ~ 90 parts, water; Its preparation method comprises the following steps: by polyisocyanates, sodium hydrogensulfite, dimethyl diallyl ammonium chloride, para hydroxybenzene first methyl esters, polyethylene glycol, propylene glycol, cyclohexane mixing, stirring reaction 0.8 ~ 1.5h, mixing speed is 90 ~ 100r/min, then methoxy benzophenone, glycol stearate, polyamide polyamine epichlorohydrin, ethylenediamine, barium stearate, water is added, stirring reaction 10 ~ 20h, leaves standstill.
2. water-soluble wet strengthening agents for papermaking according to claim 1, is characterized in that, polyisocyanates is one or more in toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, six methylene diisocyanates, isophorone diisocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158935.2A CN103993503B (en) | 2014-04-21 | 2014-04-21 | Water-soluble wet strengthening agents for papermaking and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158935.2A CN103993503B (en) | 2014-04-21 | 2014-04-21 | Water-soluble wet strengthening agents for papermaking and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103993503A CN103993503A (en) | 2014-08-20 |
| CN103993503B true CN103993503B (en) | 2016-01-13 |
Family
ID=51307820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410158935.2A Expired - Fee Related CN103993503B (en) | 2014-04-21 | 2014-04-21 | Water-soluble wet strengthening agents for papermaking and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103993503B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155961A (en) * | 2005-02-11 | 2008-04-02 | 赫尔克里士公司 | An additive system for use in paper making and process of using the same |
| CN102604002A (en) * | 2012-01-10 | 2012-07-25 | 湖南工程学院 | Preparation method of multifunctional waterborne polyurethane and quaternary ammonium polymer |
| CN102731746A (en) * | 2012-06-29 | 2012-10-17 | 上海东升新材料有限公司 | Enclosed type aqueous polyurethane emulsion papermaking wet strength agent and its preparation method |
| CN103254347A (en) * | 2013-04-08 | 2013-08-21 | 上海东升新材料有限公司 | Preparation and application of emulsion type reinforcing agent for case board paper |
| CN103524708A (en) * | 2013-10-16 | 2014-01-22 | 上海东升新材料有限公司 | Preparation method of closed water-based polyurethane modified PAE (polyarylether) wet strength agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040241130A1 (en) * | 2002-09-13 | 2004-12-02 | Krishnan Tamareselvy | Multi-purpose polymers, methods and compositions |
-
2014
- 2014-04-21 CN CN201410158935.2A patent/CN103993503B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155961A (en) * | 2005-02-11 | 2008-04-02 | 赫尔克里士公司 | An additive system for use in paper making and process of using the same |
| CN102604002A (en) * | 2012-01-10 | 2012-07-25 | 湖南工程学院 | Preparation method of multifunctional waterborne polyurethane and quaternary ammonium polymer |
| CN102731746A (en) * | 2012-06-29 | 2012-10-17 | 上海东升新材料有限公司 | Enclosed type aqueous polyurethane emulsion papermaking wet strength agent and its preparation method |
| CN103254347A (en) * | 2013-04-08 | 2013-08-21 | 上海东升新材料有限公司 | Preparation and application of emulsion type reinforcing agent for case board paper |
| CN103524708A (en) * | 2013-10-16 | 2014-01-22 | 上海东升新材料有限公司 | Preparation method of closed water-based polyurethane modified PAE (polyarylether) wet strength agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103993503A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107635754B (en) | Filament winding method using polyurethane resin and system for manufacturing composite material | |
| RU2533834C2 (en) | Reaction system and method of obtaining lignocellulose product | |
| CN105200769A (en) | Dacron short fiber oiling agent | |
| CN103993503B (en) | Water-soluble wet strengthening agents for papermaking and preparation method thereof | |
| CN103820017A (en) | Epoxy modified polyurethane primer and preparation method thereof | |
| CN104497839B (en) | It is capable of PU seal coats of high wetting Thief zone ground and preparation method thereof | |
| CN105690521A (en) | Wood modifying reinforcer | |
| CN102363704A (en) | Aqueous blocking agent and its preparation method | |
| CN103981760A (en) | Modified polyamine epichlorohydrin wet strength agent and preparation method thereof | |
| CN110607155A (en) | Adhesive for wood and preparation method thereof | |
| TWI667264B (en) | Sulfonic acid based aqueous polyurethane emulsion and process of producing the same | |
| CN111188205A (en) | Preparation process of water-based environment-friendly luggage synthetic leather | |
| CN103342822A (en) | Preparation method of trichlorophenol blocked isocyanate prepolymer micelle | |
| CA2184324A1 (en) | Treatment of cellulosic fiber products | |
| CN105504223A (en) | Chromic-acid-resistant polyurethane elastomer and preparation method thereof | |
| CN108690480A (en) | A kind of aqueous double-component finishing coat of the low curing agent of high glaze quick-drying and its application | |
| JP5783888B2 (en) | Adhesive composition for forming composite material with high water resistance, composite material, production method thereof, and adhesive for forming composite material with high water resistance | |
| CN103981759B (en) | Emulsion-type wet strength agent and preparation method thereof | |
| CN114855500A (en) | Environment-friendly curing-free engine oil filtering material and preparation method thereof | |
| CN104117177A (en) | Formaldehyde removing method applied to furniture | |
| CN107286893B (en) | Aqueous polymer isocyanate wood adhesive and preparation method thereof | |
| CN107630388B (en) | Wear-resistant wood veneer decorative plate and preparation method thereof | |
| CN103866640B (en) | Noryl wet strength agent and preparation method thereof | |
| CN102358831A (en) | Preparation method for polyurethane adhesive | |
| MX2017003451A (en) | Aqueous thermo-thickening resin solutions. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151217 Address after: 226300 Industrial Park, Jinsha Town, Nantong, Jiangsu, Tongzhou District Applicant after: SUZHOU HENGKANG NEW MATERIAL CO., LTD. Address before: Baoan high tech Zone Xushuguan Town Road Suzhou City, Jiangsu province 215001 No. 196 Applicant before: Suzhou Heng Kang new material Co., Ltd |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170622 Address after: 226300 No. 10 Daqing Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee after: Jiangsu coastal agricultural science and Technology Development Co Ltd Address before: 226300 Industrial Park, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee before: SUZHOU HENGKANG NEW MATERIAL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |