CN104018393A - Macromolecule sizing agent and preparation method thereof - Google Patents
Macromolecule sizing agent and preparation method thereof Download PDFInfo
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- CN104018393A CN104018393A CN201410258031.7A CN201410258031A CN104018393A CN 104018393 A CN104018393 A CN 104018393A CN 201410258031 A CN201410258031 A CN 201410258031A CN 104018393 A CN104018393 A CN 104018393A
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Abstract
The invention relates to a macromolecule sizing agent and a preparation method thereof. The macromolecule sizing agent comprises the following components in parts by weight: 32-36 parts of polyurethane, 11-15 parts of polyvinyl alcohol, 12-15 parts of alkylketene dimmer, 16-19 parts of triton-100, 5-7 parts of polyethylene glycol, 5-7 parts of aluminum sulfate powder, and 110-120 parts of deionized water. The preparation method of the macromolecule sizing agent provided by the invention comprises the steps of heating and mixing polyurethane, the polyvinyl alcohol, alkylketene dimmer, triton-100, polyethylene glycol, aluminum sulfate powder, and water, stirring at a high speed, and homogenizing. The macromolecule sizing agent prepared by adopting the preparation method is good in stability; and the surface strength of paper is enhanced.
Description
Technical field
The present invention relates to a kind of sizing agent and preparation method thereof, particularly relate to a kind of macromolecule sizing agent and preparation method thereof.
Background technology
Conventional paper need to cover by sizing agent, the surface strength of raising paper and water resistance etc.Sizing agent can also improve the smoothness of paper.The method of applying glue has two kinds, and a kind of is after preparing paper pulp, paper pulp and sizing agent to be mixed, and a kind of is after preparing paper, sizing agent is covered to the surface of paper.Two kinds of modes can effectively improve the surface strength of paper.After conventional sizing agent preparation, its less stable, after long-time placement, has the phenomenons such as layering and produces at present.Performance to sizing agent is improved, and can effectively improve the stability of sizing agent.
Summary of the invention
The technical problem solving: conventional sizing agent less stable, the surface strength that is applied to rear paper in paper improves lower problem.
Technical scheme: the invention discloses a kind of macromolecule sizing agent, macromolecule sizing agent is comprised of according to weight ratio following composition: polyurethane is that 32～36 parts, polyvinyl alcohol are that 11～15 parts, alkyl ketene dimer are that 12～15 parts, Qu Latong-100 are that 16～19 parts, polyethylene glycol are that 5～7 parts, Aluminium Sulphate usp (powder) are that 5～7 parts, deionized water are 110～120 parts.
A preparation method for macromolecule sizing agent, preparation method comprises the steps: that (1) gets Aluminium Sulphate usp (powder) is 5～7 parts, it is 400 order～600 orders that Aluminium Sulphate usp (powder) is crushed to order number; (2) temperature of reactor is set as to 80 ℃, after temperature stabilization, adding polyurethane is that 32～36 parts, polyvinyl alcohol are that 11～15 parts, alkyl ketene dimer are 12～15 parts, and polyurethane, polyvinyl alcohol, three kinds of compositions of alkyl ketene dimer are carried out to high speed machine stirring; (3) to adding Qu Latong-100 in reactor, be that 16～19 parts, polyethylene glycol are that 5～7 parts, 400 order～600 object Aluminium Sulphate usp (powder)s are that 5～7 parts, deionized water are 110～120 parts, then carry out high speed machine stirring again; (4) sizing agent liquid is carried out after stirring high-pressure homogeneously, high-pressure homogeneous pressure is 70MPa～80MPa again.
A preparation method for macromolecule sizing agent, the alkyl ketene dimer adding in preparation process is preferably 15 parts.
A preparation method for macromolecule sizing agent, the molecular weight polyethylene glycol adding in preparation process is preferably 3000～4000.
A preparation method for macromolecule sizing agent, preparation process mesohigh homogenization pressure is preferably 80MPa.
Beneficial effect: the present invention prepares macromolecule sizing agent and has good stability, prepares after sizing agent, and under 5000rpm, centrifugal 10min to 30min does not have the situation of layering to occur.Under room temperature, place and after 6 months, also do not have change of properties.Measured in addition the surface strength of the paper that has added sizing agent of the present invention, bioassay standard is GB/T22365-2008, and the surface strength of paper is increased to 5.6m/s to 5.9m/s by 1.9m/s.
The specific embodiment
Embodiment 1
(1) getting Aluminium Sulphate usp (powder) is 5kg, and it is 600 orders that Aluminium Sulphate usp (powder) is crushed to order number; (2) temperature of reactor is set as to 80 ℃, after temperature stabilization, adding polyurethane is that 34kg, polyvinyl alcohol are that 15kg, alkyl ketene dimer are 12kg, and polyurethane, polyvinyl alcohol, three kinds of compositions of alkyl ketene dimer are carried out to high speed machine stirring; (3) again to adding in reactor Qu Latong-100 to be that 6kg, 600 object Aluminium Sulphate usp (powder)s are that 5kg, deionized water are 115kg, then to carry out high speed machine stirring for 16kg, polyethylene glycol; (4) sizing agent liquid is carried out after stirring high-pressure homogeneously, high-pressure homogeneous pressure is 80MPa again.The sizing agent preparing is that under 5000rpm, centrifugal 10min does not have layering situation to produce at rotating speed.
Embodiment 2
(1) getting Aluminium Sulphate usp (powder) is 6kg, and it is 400 orders that Aluminium Sulphate usp (powder) is crushed to order number; (2) temperature of reactor is set as to 80 ℃, after temperature stabilization, adding polyurethane is that 32kg, polyvinyl alcohol are that 11kg, alkyl ketene dimer are 15kg, and polyurethane, polyvinyl alcohol, three kinds of compositions of alkyl ketene dimer are carried out to high speed machine stirring; (3) again to adding in reactor Qu Latong-100 to be that 5kg, 400 object Aluminium Sulphate usp (powder)s are that 6kg, deionized water are 110kg, then to carry out high speed machine stirring for 17kg, polyethylene glycol; (4) sizing agent liquid is carried out after stirring high-pressure homogeneously, high-pressure homogeneous pressure is 70MPa again.The sizing agent preparing is that under 5000rpm, centrifugal 20min does not have layering situation to produce at rotating speed.
Embodiment 3
(1) getting Aluminium Sulphate usp (powder) is 7kg, and it is 500 orders that Aluminium Sulphate usp (powder) is crushed to order number; (2) temperature of reactor is set as to 80 ℃, after temperature stabilization, adding polyurethane is that 36kg, polyvinyl alcohol are that 13kg, alkyl ketene dimer are 13kg, and polyurethane, polyvinyl alcohol, three kinds of compositions of alkyl ketene dimer are carried out to high speed machine stirring; (3) again to adding in reactor Qu Latong-100 to be that 7kg, 500 object Aluminium Sulphate usp (powder)s are that 7kg, deionized water are 120kg, then to carry out high speed machine stirring for 19kg, polyethylene glycol; (4) sizing agent liquid is carried out after stirring high-pressure homogeneously, high-pressure homogeneous pressure is 75MPa again.The sizing agent preparing is that under 5000rpm, centrifugal 30min does not have layering situation to produce at rotating speed.
The sizing agent of embodiment 1, embodiment 2, embodiment 3 is diluted to 15wt%, paper is put into respectively to the dilution of embodiment 1, embodiment 2, embodiment 3, place half a minute post-drying, measure surface strength of paper, bioassay standard is GB/T22365-2008, carry out blank test, blank test is not processed through macromolecule sizing agent of the present invention simultaneously.
Claims (5)
1. a macromolecule sizing agent, is characterized in that macromolecule sizing agent is comprised of according to weight ratio following composition: polyurethane is that 32～36 parts, polyvinyl alcohol are that 11～15 parts, alkyl ketene dimer are that 12～15 parts, Qu Latong-100 are that 16～19 parts, polyethylene glycol are that 5～7 parts, Aluminium Sulphate usp (powder) are that 5～7 parts, deionized water are 110～120 parts.
2. the preparation method of a kind of macromolecule sizing agent according to claim 1, is characterized in that preparation method comprises the steps: that (1) gets Aluminium Sulphate usp (powder) is 5～7 parts, and it is 400 order～600 orders that Aluminium Sulphate usp (powder) is crushed to order number; (2) temperature of reactor is set as to 80 ℃, after temperature stabilization, adding polyurethane is that 32～36 parts, polyvinyl alcohol are that 11～15 parts, alkyl ketene dimer are 12～15 parts, and polyurethane, polyvinyl alcohol, three kinds of compositions of alkyl ketene dimer are carried out to high speed machine stirring; (3) to adding Qu Latong-100 in reactor, be that 16～19 parts, polyethylene glycol are that 5～7 parts, 400 order～600 object Aluminium Sulphate usp (powder)s are that 5～7 parts, deionized water are 110～120 parts, then carry out high speed machine stirring again; (4) sizing agent liquid is carried out after stirring high-pressure homogeneously, high-pressure homogeneous pressure is 70MPa～80MPa again.
3. the preparation method of a kind of macromolecule sizing agent according to claim 2, is characterized in that the alkyl ketene dimer adding in preparation process is 15 parts.
4. the preparation method of a kind of macromolecule sizing agent according to claim 2, is characterized in that the molecular weight polyethylene glycol adding in preparation process is 3000～4000.
5. the preparation method of a kind of macromolecule sizing agent according to claim 2, is characterized in that preparation process mesohigh homogenization pressure is 80MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258031.7A CN104018393B (en) | 2014-06-12 | 2014-06-12 | A kind of macromolecule sizing agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258031.7A CN104018393B (en) | 2014-06-12 | 2014-06-12 | A kind of macromolecule sizing agent and preparation method thereof |
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| CN104018393A true CN104018393A (en) | 2014-09-03 |
| CN104018393B CN104018393B (en) | 2016-01-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994004753A1 (en) * | 1992-08-17 | 1994-03-03 | Dresden Papier Ag | Impregnating agent for producing papers with high resistance to the penetration of grease, oil and aqueous media |
| CN1782227A (en) * | 2000-04-12 | 2006-06-07 | 赫尔克里士公司 | Paper glueing composition |
| CN101292069A (en) * | 2005-10-20 | 2008-10-22 | 巴斯夫欧洲公司 | Reducing the water and water vapour absorbence and enhancing the dimensional stability of paper and paper products and use of coated paper products |
| CN102899960A (en) * | 2012-11-06 | 2013-01-30 | 大唐国际发电股份有限公司 | Method for treating surface of synthetic calcium silicate filled offset printing paper |
-
2014
- 2014-06-12 CN CN201410258031.7A patent/CN104018393B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994004753A1 (en) * | 1992-08-17 | 1994-03-03 | Dresden Papier Ag | Impregnating agent for producing papers with high resistance to the penetration of grease, oil and aqueous media |
| CN1782227A (en) * | 2000-04-12 | 2006-06-07 | 赫尔克里士公司 | Paper glueing composition |
| CN101292069A (en) * | 2005-10-20 | 2008-10-22 | 巴斯夫欧洲公司 | Reducing the water and water vapour absorbence and enhancing the dimensional stability of paper and paper products and use of coated paper products |
| CN102899960A (en) * | 2012-11-06 | 2013-01-30 | 大唐国际发电股份有限公司 | Method for treating surface of synthetic calcium silicate filled offset printing paper |
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| CN104018393B (en) | 2016-01-20 |
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Effective date of registration: 20170531 Address after: Gold village agricultural road, Baiyun District of Guangzhou City, Guangdong Province, No. 6 510545 Patentee after: Guangzhou Aodong papermaking material Co. Ltd. Address before: 215000 Suzhou high tech Zone, Jiangsu International Education Park, North Road, No. 287 Patentee before: Suzhou Institute of Trade & Commerce |
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Granted publication date: 20160120 Termination date: 20200612 |
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