CN103254363A - Preparation method and application of lubricant for papermaking - Google Patents

Preparation method and application of lubricant for papermaking Download PDF

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Publication number
CN103254363A
CN103254363A CN2013101200265A CN201310120026A CN103254363A CN 103254363 A CN103254363 A CN 103254363A CN 2013101200265 A CN2013101200265 A CN 2013101200265A CN 201310120026 A CN201310120026 A CN 201310120026A CN 103254363 A CN103254363 A CN 103254363A
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lubricant
parts
initiator
stock
mix
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CN2013101200265A
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CN103254363B (en
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施晓旦
尹东华
王养臣
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Shanghai Dongsheng New Material Co Ltd
Shandong Dongsheng New Material Co Ltd
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Shanghai Dongsheng New Material Co Ltd
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Abstract

The invention discloses a preparation method of a lubricant for papermaking. Specifically, acrylic acid, oxidized polyethylene wax, sodium phosphite, isomeric alcohol polyoxyethylene ether, an initiator, alkali and water are mixed and subjected to a polymerization reaction. The product is applied in papermaking paint of coated paper, and can significantly enhance paper surface smoothness and improve paper gloss.

Description

The preparation method of paper grade (stock) lubricant and application thereof
Technical field
The present invention relates to a kind of preparation method of paper grade (stock) lubricant, be applied to the papermaking paint of White Board.
Background technology
Lubricant plays in papermaking paint and reduces the coating frictional coefficient, improves the paint flow sex change, and then improves the coating planeness, improves the function of finished paper glossiness.Paper grade (stock) lubricant in the market also comprises wax emulsion etc. based on higher fatty acid salt and oxidation polymer polyethylene, and they all have the effect that improves the coating frictional coefficient.
It is the technology that main raw material prepares the paper making and cloth coating lubricant agent special with the oxidized polyethlene wax that Chinese patent CN1584204A discloses a kind of.This invention only limits to the emulsion of several emulsifying agents and oxidized polyethlene wax preparation, complex process.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of paper grade (stock) lubricant, this lubricant applications can obviously improve the smoothness of White Board in the papermaking paint of White Board, improves the glossiness of paper, preparation technology is simple, to overcome the above-mentioned defective that prior art exists.
For solving the problems of the technologies described above, the preparation method of a kind of paper grade (stock) lubricant of the present invention, it is characterized in that, mix with vinylformic acid, oxidized polyethlene wax, sodium phosphite, isomery polyoxyethylenated alcohol, initiator, alkali and water and carry out the water-soluble polymers that polyreaction obtains.
The preparation method of described paper grade (stock) lubricant comprises the steps:
A, with vinylformic acid with account for 80～90% initiator and mix, standby;
B, isomery polyoxyethylenated alcohol, alkali, sodium phosphite and water are mixed, insulation is at 90～100 ℃, and is standby;
C, with oxidized polyethlene wax with account for 10～20% initiator and mix, be warming up to 100～120 ℃, drip the mixture among the step a, 1～3 hour dropping time; 100～120 ℃ are incubated 1～3 hour; Add the mixture among the step b again, continue to mix;
D, be cooled to 20～40 ℃, obtain described paper grade (stock) lubricant;
The weight content of above-mentioned each component is as follows:
100 parts of oxidized polyethlene wax,
10～40 parts in vinylformic acid,
2～20 parts of isomery polyoxyethylenated alcohol,
0.1～2 part of initiator,
5～20 parts in alkali,
5～10 parts of sodium phosphites,
280～1730 parts in water.
Described oxidized polyethlene wax preferred acid number: 15～30mgKOH/g, weight-average molecular weight: 1000～2000g/mol;
Preferred RO-(the C of described isomery polyoxyethylenated alcohol 2H 4O) (R is C to n H 8-13Alkyl, at least a in n=8-20);
At least a in the preferred dibenzoyl peroxide of described initiator, the peroxidation-2-ethyl acid tert-butyl ester, peroxidized t-butyl perbenzoate, the peroxidation-3,5,5 Trimethylhexanoic acid tert-butyl ester;
At least a in the preferred diethanolamine of described alkali, trolamine, triethylenediamine, sodium hydroxide, the potassium hydroxide;
As further preferred version, in steps d, also add the sterilant of 0.01～0.2 weight part;
Described sterilant is selected from least a in 5-chloro-2-methyl-4-isothiazoline-3-ketone, 2-methyl-4 isothiazolines-3-ketone, the bronopol.
Described paper grade (stock) lubricant is mainly used in the papermaking paint of White Board.
The inventor discovers that oxidized polyethlene wax adopts vinylformic acid to carry out graft modification, and is unexpected, and the wax liquid after the modification is not only water-soluble to be improved greatly, and White Board smoothness and glossiness are significantly improved.This may be because behind graft acrylic acid on the oxidized polyethlene wax molecule, has a large amount of carboxyls on the molecular chain, improved the water-soluble of whole molecule, and because acrylic acid adding has certain dissemination to pigment such as calcium carbonate in the coating, and show as smoothness of paper and glossiness improves.
Soluble oil of the present invention is a kind of product that can satisfy papermaking paint high-performance, environmental protection.
Embodiment
Embodiment 1
Synthesizing of soluble oil:
A, 10g vinylformic acid and 0.09g dibenzoyl peroxide are mixed, standby;
B, with 2g isomery polyoxyethylenated alcohol (C 8H 17O-(C 2H 4O) 8H), 5g sodium hydroxide, 5g sodium phosphite and 284.9g deionized water mix, and is warming up to 90 ℃ and insulation, and be standby;
C, with 100g oxidized polyethlene wax (acid number: 15mgKOH/g, weight-average molecular weight: 1000g/mol)
Mix with the 0.01g dibenzoyl peroxide, stir, be warming up to 100 ℃, under this temperature, drip the mixture among the step a then, 1 hour dropping time; 100 ℃ are incubated 1 hour; Then add the mixture among the step b, continue to stir 10～20 minutes, mix.
D, be cooled to 20 ℃, filter discharging with 100 eye mesh screens.
The weight solid content 29.78wt% of the soluble oil of gained, viscosity 98mPa.s(NDJ-1 rotary viscosity design determining), pH=7.12(uses PHS-3C Accurate pH instrumentation to get).
Embodiment 2
Synthesizing of soluble oil:
(a) 40g vinylformic acid and 0.16g peroxidized t-butyl perbenzoate are mixed, standby;
(b) with 20g isomery polyoxyethylenated alcohol (C 13H 27O-(C 2H 4O) 20H), 10g diethanolamine, 10g potassium hydroxide, 10g sodium phosphite and 1728g deionized water mix, and are warming up to 100 ℃ and insulation, and be standby;
(c) with 100g oxidized polyethlene wax (acid number: 30mgKOH/g, weight-average molecular weight: 2000g/mol)
Mix with 0.2g peroxidized t-butyl perbenzoate, 0.2g peroxidation-2-ethyl acid tert-butyl ester, stir, be warming up to 120 ℃, under this temperature, drip the mixture among the step a then, 3 hours dropping time; 120 ℃ are incubated 3 hours; Then add the mixture among the step b, continue to stir 10～20 minutes, mix.
(d) be cooled to 40 ℃, add 0.05g bronopol, 0.1g5-chloro-2-methyl-4-isothiazoline-3-ketone, 0.05g2-methyl-4 isothiazolines-3-ketone, continue to stir 10 minutes, filter discharging with 100 eye mesh screens.
(e) the weight solid content 10.25wt% of the soluble oil of gained, viscosity 8mPa.s(NDJ-1 rotary viscosity design determining), pH=10.98(uses PHS-3C Accurate pH instrumentation to get).
Embodiment 3
Synthesizing of soluble oil:
(a) 25g vinylformic acid and 0.4g dibenzoyl peroxide, 0.45g peroxidation-3,5,5 Trimethylhexanoic acid tert-butyl ester are mixed, standby;
(b) with 10g isomery polyoxyethylenated alcohol (C 11H 23O-(C 2H 4O) 10H), 5g trolamine, 6g triethylenediamine, 8g sodium phosphite and 620g deionized water mix, and are warming up to 100 ℃ and insulation, and be standby;
(c) with 100g oxidized polyethlene wax (acid number: 25mgKOH/g, weight-average molecular weight: 1500g/mol)
Mix with 0.15g peroxidation-3,5,5 Trimethylhexanoic acid tert-butyl ester, stir, be warming up to 110 ℃, under this temperature, drip the mixture among the step a then, 2 hours dropping time; 110 ℃ are incubated 2 hours; Then add the mixture among the step b, continue to stir 10～20 minutes, mix.
(d) be cooled to 25 ℃, add 0.07g5-chloro-2-methyl-4-isothiazoline-3-ketone, 0.05g2-methyl-4 isothiazolines-3-ketone, continue to stir 10 minutes, filter discharging with 100 eye mesh screens.
(e) the weight solid content 20.1wt% of the soluble oil of gained, viscosity 18mPa.s(NDJ-1 rotary viscosity design determining), pH=8.76(uses PHS-3C Accurate pH instrumentation to get).
Embodiment 4
Synthesizing of soluble oil:
(a) 15g vinylformic acid and 0.5g dibenzoyl peroxide, 0.6g peroxidation-3,5,5 Trimethylhexanoic acid tert-butyl ester are mixed, standby;
(b) with 15g isomery polyoxyethylenated alcohol (C 11H 23O-(C 2H 4O) 14H), 7g sodium hydroxide, 8g triethylenediamine, 6g sodium phosphite and 456.9g deionized water mix, and are warming up to 100 ℃ and insulation, and be standby;
(c) with 100g oxidized polyethlene wax (acid number: 20mgKOH/g, weight-average molecular weight: 1800g/mol)
Mix with 0.2g peroxidation-2-ethyl acid tert-butyl ester, stir, be warming up to 115 ℃, under this temperature, drip the mixture among the step a then, 2.5 hours dropping time; 115 ℃ are incubated 2.5 hours; Then add the mixture among the step b, continue to stir 10～20 minutes, mix.
(d) be cooled to 25 ℃, add 0.02g bronopol, 0.05g5-chloro-2-methyl-4-isothiazoline-3-ketone, continue to stir 10 minutes, filter discharging with 100 eye mesh screens.
(e) the weight solid content 25.6wt% of the soluble oil of gained, viscosity 29mPa.s(NDJ-1 rotary viscosity design determining), pH=9.35(uses PHS-3C Accurate pH instrumentation to get).
Embodiment 5
Comparative Examples: by the lubricant of patent CN1584204A preparation.
With embodiment 1～4 and Comparative Examples, by following formulated coating,
Figure BDA00003022397300051
Deionized water is an amount of, and adjusting the coating weight solid content is 65%.
Experimentation: 1) 95 grades of water-ground limestones, Brazilian china clay and appropriate amount of deionized water are added high speed dispersor, the back high speed dispersion 20～30min that stirs is qualified to fineness, add latex under the low speed, lubricant is after stirring, discharging, 100 eye mesh screens filter.2) will adopt embodiment 1～4 and Comparative Examples coatings formulated to use the 10# spreading rod at 75g/m 2Be coated with glue spread 15g/m on the art base paper 2, standby.3) coating rolling condition: get above-mentioned coating pattern respectively with twice of the hard press polish of small-sized rolling press (0.3Mpa, 85 ℃).Standby.
Adopt state's calibration method to carry out the coating performance test for paper:
Criterion: the more big effect of smoothness and glossiness is more good
? Smoothness s Coating glossiness % Print gloss %
Blank 150 40 61
Comparative Examples 213 43 71
Embodiment 1 255 50 78
Embodiment 2 261 47 83
Embodiment 3 268 51 79
Embodiment 4 261 49 76
From above-mentioned application result as can be seen: use the soluble oil of the embodiment of the invention 1～4 preparation, compare with Comparative Examples, be applied to the papermaking paint of White Board, can obviously improve smoothness and the glossiness of White Board.

Claims (10)

1. the preparation method of a paper grade (stock) lubricant is characterized in that, vinylformic acid, oxidized polyethlene wax, sodium phosphite, isomery polyoxyethylenated alcohol, initiator, alkali and water is mixed carry out polyreaction.
2. method according to claim 1 is characterized in that, comprises the steps:
A, with vinylformic acid with account for 80～90% initiator and mix, standby;
B, isomery polyoxyethylenated alcohol, alkali, sodium phosphite and water are mixed, insulation is at 90～100 ℃, and is standby;
C, with oxidized polyethlene wax with account for 10～20% initiator and mix, be warming up to 100～120 ℃, drip the mixture among the step a, 1～3 hour dropping time; 100～120 ℃ are incubated 1～3 hour; Add the mixture among the step b again, continue to mix;
D, be cooled to 20～40 ℃, obtain described paper grade (stock) lubricant.
3. method according to claim 1 and 2 is characterized in that, the weight content of each component is as follows:
100 parts of oxidized polyethlene wax,
10～40 parts in vinylformic acid,
2～20 parts of isomery polyoxyethylenated alcohol,
0.1～2 part of initiator,
5～20 parts in alkali,
5～10 parts of sodium phosphites,
280～1730 parts in water.
4. method according to claim 3 is characterized in that, described oxidized polyethlene wax is selected from acid number: 15～30mgKOH/g, weight-average molecular weight: 1000～2000g/mol.
5. method according to claim 3 is characterized in that, described isomery polyoxyethylenated alcohol is selected from RO-(C 2H 4O) (R is C to n H 8-13Alkyl, at least a in n=8-20).
6. method according to claim 3 is characterized in that, described initiator is selected from least a in dibenzoyl peroxide, the peroxidation-2-ethyl acid tert-butyl ester, peroxidized t-butyl perbenzoate, the peroxidation-3,5,5 Trimethylhexanoic acid tert-butyl ester.
7. method according to claim 3 is characterized in that, described alkali is selected from least a in diethanolamine, trolamine, triethylenediamine, sodium hydroxide, the potassium hydroxide.
8. method according to claim 3, it is characterized in that, the sterilant that adds 0.01～0.2 weight part in steps d, described sterilant are selected from least a in 5-chloro-2-methyl-4-isothiazoline-3-ketone, 2-methyl-4 isothiazolines-3-ketone, the bronopol.
9. as the claim 1～8 paper grade (stock) lubricant that method prepares as described in each.
10. as the application of paper grade (stock) lubricant as described in the claim 9, it is characterized in that, be applied to the papermaking paint of White Board.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104294707A (en) * 2014-08-21 2015-01-21 上海东升新材料有限公司 Aqueous lubricant used for papermaking, preparation method and application thereof
CN106349430A (en) * 2016-08-29 2017-01-25 上海东升新材料有限公司 Lubricant and preparing method thereof
US20170052501A1 (en) * 2015-08-19 2017-02-23 Konica Minolta, Inc. Solid lubricant, image forming apparatus and image forming method
CN107653741A (en) * 2017-09-13 2018-02-02 苏州恒康新材料有限公司 A kind of Dry Screens spray agent and preparation method thereof
CN108442172A (en) * 2018-03-27 2018-08-24 湖州五石科技有限公司 A kind of lubricant
CN112574367A (en) * 2020-12-14 2021-03-30 九洲生物技术（苏州）有限公司 Multifunctional coating lubricant, and preparation method and application thereof

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CN1873093A (en) * 2006-06-27 2006-12-06 上海东升新材料有限公司 Nano latex type lubricant in use for papermaking, and preparation method

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CN1873093A (en) * 2006-06-27 2006-12-06 上海东升新材料有限公司 Nano latex type lubricant in use for papermaking, and preparation method

Non-Patent Citations (1)

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Title
张辉等: "聚乙烯蜡的丙烯酸接枝改性及乳化工艺", 《高分子材料科学与工程》, vol. 27, no. 12, 31 December 2011 (2011-12-31), pages 119 - 122 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104294707A (en) * 2014-08-21 2015-01-21 上海东升新材料有限公司 Aqueous lubricant used for papermaking, preparation method and application thereof
US20170052501A1 (en) * 2015-08-19 2017-02-23 Konica Minolta, Inc. Solid lubricant, image forming apparatus and image forming method
CN106467775A (en) * 2015-08-19 2017-03-01 柯尼卡美能达株式会社 Solid lubricant, image processing system and image forming method
US9933745B2 (en) * 2015-08-19 2018-04-03 Konica Minolta, Inc. Solid lubricant, image forming apparatus and image forming method
CN106467775B (en) * 2015-08-19 2019-09-27 柯尼卡美能达株式会社 Solid lubricant, image forming apparatus and image forming method
CN106349430A (en) * 2016-08-29 2017-01-25 上海东升新材料有限公司 Lubricant and preparing method thereof
CN107653741A (en) * 2017-09-13 2018-02-02 苏州恒康新材料有限公司 A kind of Dry Screens spray agent and preparation method thereof
CN108442172A (en) * 2018-03-27 2018-08-24 湖州五石科技有限公司 A kind of lubricant
CN112574367A (en) * 2020-12-14 2021-03-30 九洲生物技术（苏州）有限公司 Multifunctional coating lubricant, and preparation method and application thereof

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