CN102337706B - White card packing paper antifoaming agent as well as preparation method and application thereof - Google Patents
White card packing paper antifoaming agent as well as preparation method and application thereof Download PDFInfo
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- CN102337706B CN102337706B CN201010237219.5A CN201010237219A CN102337706B CN 102337706 B CN102337706 B CN 102337706B CN 201010237219 A CN201010237219 A CN 201010237219A CN 102337706 B CN102337706 B CN 102337706B
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- defoamer
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Abstract
The invention discloses an antifoaming agent which is characterized by comprising 20-40 parts of C18-C20 higher alcohols, 1-5 parts of anionic surface active agent, 1-5 parts of non-ionic surface active agent and 60-80 parts of water, wherein the parts are parts by weight. The invention overcomes the defects that paper defects such as oil spots and the like are easy to occur, silicon spots are easy to occur on coarse cloth and nets while heating, the service life of the coarse cloth is reduced and other defects produced when the traditional antifoaming agent used for the paper making white water system is used. Therefore, the invention provides an antifoaming agent as well as a preparation method and an application thereof. The antifoaming agent has good anti-foaming effect and stable quality, is not easy to produce paper defects and can reduce the transportation burden of the system and increase the speed of a paper machine.
Description
Technical field
The present invention relates to field of papermaking, relate in particular to a kind of defoamer and its preparation method and application.
Background technology
In recent years, development along with paper technology and equipment, China has introduced advanced equipment and process technology from external, domestic papermaking level has by leaps and bounds development: from the speed of a motor vehicle of original hundreds of rice, reach the speed of a motor vehicle of km, paper machine from original 2460, rise to the paper web of more than 10 meter, raw material reusing from the primary slurry of original wooden oar to secondary stock, these are all representing the paper industry forward world advanced technology development of China.
Along with the development of paper technology, strengthened to a certain extent the dependence to papermaking chemical product.Because paper industry is low from the original speed of a motor vehicle, use that a large amount of discharges of high-grade raw material, plain boiled water have developed into that the speed of a motor vehicle is high, environment for use type raw material, reuse plain boiled water, make the papermaking rubbish of manufacturing paper with pulp in system too much, the system that strengthened is carried load.Simultaneously because the raising of the speed of a motor vehicle has strengthened contacting of system and air, make a large amount of air enter the papermaking system of manufacturing paper with pulp, the gathering of component of refuse in system, rises system air content, thereby has produced a large amount of foams in addition.In order to guarantee the normal long journey in paper product quality and workshop, defoamer becomes requisite chemical raw material in papermaking.By adding defoamer to greatly reduce the air content of embodiment, the conveying load of mitigation system, for guaranteeing that product quality and output made outstanding contribution.
At paper industry, because the backwardness of early stage technology and less to defoamer product cognition, used low-grade mineral oil, the paper defects such as oily abnormal pigmentary deposit on the skin after use, to finished paper, have been caused, and although the product effect of Silicon-contained is relatively good, but unstable due to product, is being hankered easily on felt and net, staying silicon abnormal pigmentary deposit on the skin, the service life of having reduced felt.
Low-carbon alcohols defoamer is unsatisfactory at paper industry effect at present, is mainly that to press down the bubble time short, and the gas of deviating from slurry is few, can not meet the needs of current high-speed paper machine.
Summary of the invention
The defoamer that technical problem to be solved by this invention has been to overcome existing plain boiled water system use easily produces the paper defects such as oily abnormal pigmentary deposit on the skin, when being heated, easily on felt and net, leave silicon abnormal pigmentary deposit on the skin, reduce the defects such as service life of felt, thereby providing a kind of has good defoaming effect, steady quality, be difficult for generation paper defects, and unexpectedly the conveying of mitigation system is loaded, improve defoamer of paper machine speed and preparation method thereof.
The invention provides a kind of defoamer, it comprises 20～40 parts of C
18-C
20higher alcohols, 1～5 portion of anion surfactant, 1～5 portion of non-ionic surface active agent and 60～80 parts of water.
In the present invention one, preferably in embodiment, described defoamer is by 20～40 parts of C
18-C
20higher alcohols, 1～5 portion of anion surfactant, 1～5 portion of non-ionic surface active agent and 60～80 parts of water form.
Preferably, described C
18-C
20higher alcohols be 25～35 parts, described anion surfactant is 2～4 parts, described non-ionic surface active agent is 1～3 part, described water is 60～70 parts.
Wherein, described C
18-C
20higher alcohols can select various commercially available C
18-C
20higher alcohols.
Wherein, described anion surfactant is each conventional analog anion surfactants of this area, as one or more in soap, sulfate and sulfonate etc., is preferably soap.Described aliphatic acid is preferably C
12-C
18aliphatic acid, one or more that better is in oleic acid, stearic acid, palmitic acid, myristic acid, laurate and linolenic acid etc.Described salt can be salt conventional in the anion surfactant of this area, is preferably sodium salt or sylvite.
Wherein, described non-ionic surface active agent is the conventional all kinds of non-ionic surface active agents in this area, as polyoxyethylene-type and/or polyol-based non-ionic surfactant, is preferably polyol-based non-ionic surfactant, and better is anhydrous sorbitol.
In defoamer of the present invention, also can add conventional other additives that add in this defoamer of some this areas, as long as it does not produce obvious side effect to defoamer of the present invention.Addible other additives have thickener, as acrylate; Emulsifying agent, as polysorbate60 etc.The consumption of wherein said other additives can be selected according to this area general knowledge.
In the embodiment of the present invention's one the best, described defoamer is by 28-32 part C
18-C
20higher alcohols, 1-3 part linolenic acid sodium, 1-3 part anhydrous sorbitol and 65-70 part water form.
Umber described in the present invention is all parts by mass.
The preparation method of the defoamer described in the present invention also provides, it comprises the steps: C
18-C
20higher alcohols, anion surfactant and non-ionic surface active agent evenly mix, be heated to 80-90 ℃, mix with water, in 70 ℃ insulation 0.5-1 hour, cooling.Wherein, described higher alcohols, anion surfactant, non-ionic surface active agent and water are with aforementioned.
Wherein, described heating preferably for to be heated to 80-90 ℃ from room temperature in 1 hour.Described is cooling preferably for to be down to room temperature in 1 hour.Described room temperature refers to 20-40 ℃.
The application of defoamer described in the present invention also provides in mthod of white water from paper making system, the especially application in white clip wrapping paper mthod of white water from paper making system.
The reagent using in the present invention and raw material be commercially available obtaining all.
In the present invention, above-mentioned optimum condition can be combined on the basis that meets this area general knowledge, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
1, defoamer of the present invention has overcome mineral oil and has easily caused the shortcomings such as paper defects, product be unstable containing silicon defoaming agent etc., is a kind of rational in infrastructure, of high quality and at a reasonable price, has both had good the removal of foam function, has again the defoamer of good stability.The present invention simultaneously is also surprised to find that this defoamer can also significantly alleviate the conveying load of mthod of white water from paper making system, improves paper machine speed.
2, the preparation method of defoamer of the present invention facility simple to operate, good stability, is beneficial to large-scale production.
The specific embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described further, but the present invention is not limited.
Umber in following embodiment is all parts by mass.
Embodiment 1
The preparation of defoamer: by C
18-C
2030 parts of higher alcohols (Sha Suo chemical company, 20 carbon alcohol), 2 parts of linolenic acid sodium mix with 1 part of anhydrous sorbitol, in 1 hour, from room temperature, be heated to 83 ℃, mixture starts to melt in heating process, and then emulsion reaction occurs, when being heated to 83 ℃, mixture has been liquid.Now slowly add 67 parts of water, in 70 ℃, continue to stir 0.5 hour, until product becomes milky emulsion, then in 1 hour, be cooled to room temperature, obtain defoamer of the present invention.
Table 1
By the defoamer making in embodiment 1 and existing low-carbon alcohols defoamer for the production of 300g/m
2white clip wrapping paper: use the internal sizing of cation colophony rubber cement, defoamer consumption is 150g/ ton paper.And the indexs such as air content in paper-making process are tested, and the low-carbon alcohols defoamer of the defoamer of embodiment 1 and prior art and the situation that do not add defoamer are compared, the mean value of month build-in test data is in Table 1.
As can be seen from Table 1, use after defoamer of the present invention, air content has reduced by 82.7%, white water chest liquid level foam height obviously reduces, and paper machine speed is brought up to 530m/min by original 510m/min, the raising of this speed of a motor vehicle simultaneously, make annual output increase by 3%～4%, obtained larger economic benefit, and prepared paper do not have paper defects, on felt and net, do not leave silicon abnormal pigmentary deposit on the skin.
Claims (5)
1. a defoamer, is characterized in that: described defoamer is by 28-32 part C
18-C
20higher alcohols, 1-3 part linolenic acid sodium, 1-3 part anhydrous sorbitol and 65-70 part water form, described umber is parts by mass; The preparation method of described defoamer comprises the following steps: by C
18-C
20higher alcohols, linolenic acid sodium and anhydrous sorbitol evenly mix, be heated to 80-90 ℃, mix with water, in 70 ℃ insulation 0.5-1 hour, cooling.
2. a preparation method for defoamer as claimed in claim 1, is characterized in that: it comprises the steps: 28-32 part C
18-C
20higher alcohols, 1-3 part linolenic acid sodium and 1-3 part anhydrous sorbitol evenly mix, and are heated to 80-90 ℃, mix with the water of 65-70 part, in 70 ℃ insulation 0.5-1 hour, cooling.
3. the preparation method of defoamer as claimed in claim 2, is characterized in that: described being heated to be in 1 hour is heated to 80-90 ℃ from room temperature; Room temperature is down in described being cooled in 1 hour.
4. the application of defoamer as claimed in claim 1 in mthod of white water from paper making system.
5. application as claimed in claim 4, is characterized in that, described mthod of white water from paper making system is white clip wrapping paper plain boiled water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010237219.5A CN102337706B (en) | 2010-07-27 | 2010-07-27 | White card packing paper antifoaming agent as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010237219.5A CN102337706B (en) | 2010-07-27 | 2010-07-27 | White card packing paper antifoaming agent as well as preparation method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102337706A CN102337706A (en) | 2012-02-01 |
| CN102337706B true CN102337706B (en) | 2014-03-19 |
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| CN201010237219.5A Expired - Fee Related CN102337706B (en) | 2010-07-27 | 2010-07-27 | White card packing paper antifoaming agent as well as preparation method and application thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866610B (en) * | 2014-02-25 | 2016-08-17 | 苏州恒康新材料有限公司 | A kind of paper pulp defoamer and preparation method thereof |
| CN106351064A (en) * | 2016-08-28 | 2017-01-25 | 山东成泰化工有限公司 | Antifoaming agent containing cyclohexane phthalate high alcohol ester |
| CN115283143A (en) * | 2022-08-09 | 2022-11-04 | 东北大学 | Defoaming agent for amine flotation collector and preparation method and application method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807502A (en) * | 1994-06-20 | 1998-09-15 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous fatty alcohol dispersions |
| CN101530759A (en) * | 2009-03-11 | 2009-09-16 | 南京四新科技应用研究所有限公司 | Method for dispersing higher fatty alcohol mixture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3573199B2 (en) * | 1999-08-27 | 2004-10-06 | 栗田工業株式会社 | Antifoam composition |
-
2010
- 2010-07-27 CN CN201010237219.5A patent/CN102337706B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5807502A (en) * | 1994-06-20 | 1998-09-15 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous fatty alcohol dispersions |
| CN101530759A (en) * | 2009-03-11 | 2009-09-16 | 南京四新科技应用研究所有限公司 | Method for dispersing higher fatty alcohol mixture |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-62204A 2001.03.13 |
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