CN109518522B - Papermaking additive for enhancing ring crush and water and moisture resistance and use method thereof - Google Patents
Papermaking additive for enhancing ring crush and water and moisture resistance and use method thereof Download PDFInfo
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- CN109518522B CN109518522B CN201811442092.3A CN201811442092A CN109518522B CN 109518522 B CN109518522 B CN 109518522B CN 201811442092 A CN201811442092 A CN 201811442092A CN 109518522 B CN109518522 B CN 109518522B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/005—Microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/65—Acid compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Paper (AREA)
Abstract
The invention belongs to the field of papermaking industry, and particularly relates to a papermaking additive for enhancing ring crush and water and moisture resistance and a using method thereof. The papermaking additive consists of starch, ferrous sulfate, diluent and water. Compared with the existing papermaking additive prepared from starch and liquid gum, the papermaking additive can obviously reduce the production cost by about 60 percent, and meanwhile, as the formula of the papermaking additive can contain liquid gum, although the color of paper manufactured by using the product is blackish, the papermaking additive is beneficial to environmental protection, and the product can be matched with powdery solid chemical substances which do not generate adverse effect with ferrous sulfate. Production tests prove that the papermaking additive can also enhance the ring crush and the water and moisture resistance of paper products to a certain extent. Therefore, the papermaking additive disclosed by the invention is very suitable for the requirements of the current papermaking industry.
Description
Technical Field
The invention belongs to the field of papermaking industry, and particularly relates to a papermaking additive for enhancing ring crush and water and moisture resistance and a using method thereof.
Background
Starch and liquid glue (latex) are frequently used as additives in the paper industry at present, however, in production practice, the ring pressing and water and moisture resistance of paper products made of starch and liquid glue are not ideal, and the paper products made of starch and liquid glue are relatively large in use amount (40-70 kg of starch and 8-30 kg of liquid glue are used for each ton of paper) in the production process, so that the production cost of the paper products is too high (3000 yuan/ton of starch, the cost is about 120 yuan/ton, 5000 yuan/ton of liquid glue, the cost is about 40-150 yuan, and the two costs for each ton of paper are 160 yuan and 360 yuan in total), and the development of paper enterprises is severely restricted. In addition, the use of a large amount of liquid glue causes certain pollution to the environment, and is not in accordance with the social development concept of sustainable development.
The inventor develops a novel papermaking additive through repeated comparative tests in long-term production practice. The formula of the papermaking additive does not use liquid glue, and simultaneously reduces the use amount of starch, so that the production cost can be obviously reduced, and the papermaking additive is beneficial to environmental protection. Production tests prove that the papermaking additive can also enhance the ring crush and the water and moisture resistance of paper products to a certain extent.
Disclosure of Invention
The invention aims to provide a papermaking additive for enhancing ring crush and water and moisture resistance and a using method thereof.
The papermaking additive for enhancing the ring crush and the water and moisture resistance is prepared from the following raw materials in parts by weight:
20-50 parts of starch, 10-30 parts of ferrous sulfate,
0.025-0.1 of diluent, 470-510 of water.
Preferably, the diluent in the above raw materials is selected from at least one of the following components: potassium permanganate,
Concentrated sulfuric acid, amylase, concentrated nitric acid, potassium dichromate, sodium hypochlorite, perchloric acid and ammonium persulfate.
Further, the raw materials composing the papermaking additive are preferably selected from the following raw materials in parts by weight:
the starch 20, the ferrous sulfate 10,
diluent 0.025, water 470.
The weight parts of the raw materials are preferably as follows:
the starch 30, the ferrous sulfate 20,
0.05 of diluent and 500 of water.
The weight parts of the raw materials are preferably as follows:
the starch 50, the ferrous sulfate 30,
diluent 0.1, water 510.
Preferably, the preparation method of the papermaking additive comprises the steps of firstly mixing the starch and the ferrous sulfate, then adding the water and the diluent into the obtained mixture, and fully stirring to completely mix the mixture.
On the other hand, the invention also provides a using method of the papermaking additive, and the using method selects any one of the following two process flows:
(1) mixing starch, diluent and water, heating to 80 ℃ while stirring, stopping heating, slowly adding ferrous sulfate, continuously heating to 95-130 ℃ while stirring, stopping heating, and continuously stirring for 0.5-1 hour to obtain the mixture which can be used by a paper machine;
(2) mixing starch and ferrous sulfate, adding into water after stirring uniformly, then slowly adding diluent into the mixture while stirring, continuously heating to 95-130 ℃ while stirring, stopping heating, and continuously stirring for 0.5-1 hour to obtain the product which can be used by a paper machine.
Further, the raw materials for forming the papermaking additive also comprise the following components in parts by weight: 1.6-1.9 parts of Chinese aralia root bark extract; the Chinese aralia root bark extracting solution is prepared by the following method: pulverizing dried cortex Araliae chinensis, adding 15 times of water, soaking for 2 hr, decocting for 1 hr, filtering, collecting filtrate, repeatedly decocting the residue for 2 times, filtering, mixing filtrates, and concentrating under reduced pressure to relative density of 1.04-1.06 to obtain cortex Araliae chinensis extractive solution.
Preferably, the papermaking additive comprises the following raw materials in parts by weight:
the starch 30, the ferrous sulfate 20,
0.05 of diluent, 1.7 of aralia root bark extract,
and (5) water 500.
In another aspect, the invention further provides a use method of the improved papermaking additive, wherein the use method selects any one of the following two process flows:
(1) mixing starch, diluent, Chinese Aralia root bark extract and water, heating to 80 deg.C under stirring, stopping heating, slowly adding ferrous sulfate, heating to 95-130 deg.C under stirring, stopping heating, and stirring for 0.5-1 hr to obtain paper;
(2) mixing starch and ferrous sulfate, stirring, adding into water, slowly adding diluent and Chinese Aralia root bark extract while stirring, heating to 95-130 deg.C while stirring, stopping heating, and stirring for 0.5-1 hr.
Furthermore, the invention relates to the use of the above papermaking additive in the papermaking industry.
Compared with the existing papermaking additives made of starch and liquid glue, the papermaking additive can obviously reduce the production cost (the cost of the existing additive per ton of paper is about 160-360 yuan; the cost of the additive per ton of paper is about 60-150 yuan due to 20-50 kilograms of starch, the cost of the additive per ton of paper is about 10-30 kilograms of ferrous sulfate, the cost of the additive per ton of iron sulfate is about 2-6 yuan; and the total cost is about 62-150 yuan).
Meanwhile, the formula of the papermaking additive does not contain liquid glue, so that the papermaking additive is beneficial to environmental protection.
In addition, production tests prove that the paper making additive can also enhance the ring pressure and the water and moisture resistance of paper products to a certain extent.
Due to the advantages, the papermaking additive disclosed by the invention is very suitable for the requirements of the current papermaking industry.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Before the present embodiments are further described, it is to be understood that the scope of the invention is not limited to the particular embodiments described below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In addition to the specific methods, devices, and materials used in the examples, any methods, devices, and materials similar or equivalent to those described in the examples may be used in the practice of the invention in addition to the specific methods, devices, and materials used in the examples, in keeping with the knowledge of one skilled in the art and with the description of the invention.
Example 1
A papermaking additive for enhancing ring crush and water and moisture resistance is composed of the following raw materials in parts by weight:
the starch 30, the ferrous sulfate 20,
amylase 0.05, water 500.
The using method comprises the following steps:
mixing starch, amylase and water, heating to 80 ℃ while stirring, stopping heating, slowly adding ferrous sulfate, continuously heating to 100 ℃ while stirring, stopping heating, and continuously stirring for 1 hour to be used by a paper machine.
Example 2
A papermaking additive for enhancing ring crush and water and moisture resistance is composed of the following raw materials in parts by weight:
the starch 30, the ferrous sulfate 20,
amylase 0.05, Chinese aralia root bark extract 1.7,
and (5) water 500.
The using method comprises the following steps:
mixing starch, amylase, Chinese Aralia root bark extract and water, heating to 80 deg.C under stirring, stopping heating, slowly adding ferrous sulfate, heating to 100 deg.C under stirring, stopping heating, and stirring for 1 hr to obtain the final product.
Example 3
A papermaking additive for enhancing ring crush and water and moisture resistance is composed of the following raw materials in parts by weight:
the starch 20, the ferrous sulfate 10,
ammonium persulfate 0.025 and water 470.
The using method comprises the following steps:
mixing starch and ferrous sulfate, adding the mixture into water after uniformly stirring, slowly adding ammonium persulfate into the mixture while stirring, continuously heating to 95 ℃ while stirring, stopping heating, and continuously stirring for 1 hour to be used by a paper machine.
Example 4
A papermaking additive for enhancing ring crush and water and moisture resistance is composed of the following raw materials in parts by weight:
the starch 50, the ferrous sulfate 30,
ammonium persulfate 0.1, and water 510.
The using method comprises the following steps:
mixing starch and ferrous sulfate, adding the mixture into water after uniformly stirring, slowly adding ammonium persulfate into the mixture while stirring, continuously heating to 130 ℃ while stirring, stopping heating, and continuously stirring for 0.5 hour to be used by a paper machine.
Comparative example
The papermaking additive consists of the following raw materials in parts by weight:
the starch 60, the latex 20,
amylase 0.05, water 500.
The using method comprises the following steps:
mixing starch, amylase and water, heating to 80 ℃ while stirring, stopping heating, slowly adding latex, continuously heating to 100 ℃ while stirring, stopping heating, and continuously stirring for 1 hour to be used by a paper machine.
Ring crush strength and Water and moisture resistance test
[ test object ]
Papermaking additives provided in examples 1-2 and comparative examples above.
The effect of the papermaking additive of the present invention and the existing papermaking additives on the ring crush strength and water and moisture resistance of the paperboard was observed.
[ test methods ]
The paperboard samples made with different papermaking additives were tested using an automatic paperboard ring crush tester and a paper water resistance tester.
[ test indexes ]
The ring crush strength index, edge crush strength and Cobb water absorption value of the paperboard.
[ test results ]
The test results are shown in table 1 below:
TABLE 1 Ring crush Strength and Water and moisture resistance test results
Note: compared with the comparative example group:*P≤0.05
as can be seen from table 1, the ring crush index and the edge crush strength values are higher for the samples of examples 1 and 2, and the Cobb water absorption value is lower than for the comparative example. In contrast, the test results for the samples in example 2 group are most desirable, indicating that the papermaking additive formulations provided in example 2 group are more reasonable and efficient.
While the preferred embodiments and examples of the present invention have been described in detail, the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The papermaking additive for enhancing ring crush and water and moisture resistance is characterized by comprising the following raw materials in parts by weight:
20-50 parts of starch, 10-30 parts of ferrous sulfate,
0.025-0.1 part of diluent, 470-510 parts of water and 1.6-1.9 parts of Chinese aralia root bark extract;
the diluent is amylase;
the Chinese aralia root bark extracting solution is prepared by the following method: pulverizing dried cortex Araliae chinensis, adding 15 times of water, soaking for 2 hr, decocting for 1 hr, filtering, collecting filtrate, repeatedly decocting the residue for 2 times, filtering, mixing filtrates, and concentrating under reduced pressure to relative density of 1.04-1.06 to obtain cortex Araliae chinensis extractive solution.
2. The papermaking additive according to claim 1, wherein the raw materials are, in parts by weight:
the starch 30, the ferrous sulfate 20,
0.05 of diluent, 1.7 of aralia root bark extract,
and (5) water 500.
3. Use of a papermaking additive according to any one of claims 1-2 in the papermaking industry.
4. Use of a papermaking additive according to any one of claims 1-2, in either of the following two process schemes:
(1) mixing starch, diluent, Chinese Aralia root bark extract and water, heating to 80 deg.C under stirring, stopping heating, slowly adding ferrous sulfate, heating to 95-130 deg.C under stirring, stopping heating, and stirring for 0.5-1 hr to obtain paper;
(2) mixing starch and ferrous sulfate, stirring, adding into water, slowly adding diluent and Chinese Aralia root bark extract while stirring, heating to 95-130 deg.C while stirring, stopping heating, and stirring for 0.5-1 hr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811442092.3A CN109518522B (en) | 2018-11-29 | 2018-11-29 | Papermaking additive for enhancing ring crush and water and moisture resistance and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811442092.3A CN109518522B (en) | 2018-11-29 | 2018-11-29 | Papermaking additive for enhancing ring crush and water and moisture resistance and use method thereof |
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| CN109518522A CN109518522A (en) | 2019-03-26 |
| CN109518522B true CN109518522B (en) | 2021-06-01 |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6586588B1 (en) * | 1999-08-17 | 2003-07-01 | National Starch And Chemical Investment Holding Corporation | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking |
| EP1826219A1 (en) * | 2006-02-24 | 2007-08-29 | SOLVAY (Société Anonyme) | Process for the manufacture of oxidized starch, oxidized starch and its use |
| CN101113580A (en) * | 2006-07-28 | 2008-01-30 | 阳文淞 | Reinforced additive for paper making |
| CN102787150A (en) * | 2011-05-19 | 2012-11-21 | 永港伟方（北京）科技股份有限公司 | Renewable latex and preparation method and application thereof |
| CN102433084A (en) * | 2011-11-04 | 2012-05-02 | 常熟市凯力达蜂窝包装材料有限公司 | Preparation method of starch adhesive for carton bonding |
| CN102718878A (en) * | 2012-06-11 | 2012-10-10 | 新乡市东升新材料有限公司 | Preparation method and application of oxidized starch |
| CN103628355A (en) * | 2012-08-24 | 2014-03-12 | 天津市浩宇助剂有限公司 | Solid surface sizing agent for papermaking |
| CN103103877A (en) * | 2012-12-31 | 2013-05-15 | 天津市奥东化工有限公司 | Surface sizing enhancer |
| CN103772517B (en) * | 2014-01-21 | 2016-01-20 | 西安工程大学 | A kind of method generating the size of oxidized starch slurries |
| CN103936929B (en) * | 2014-04-11 | 2016-04-27 | 湖北工业大学 | The method containing styrene-acrylic polymer cardboard ring pressure strengthening agent is produced with fry starch of konjak |
| CN107558297B (en) * | 2017-09-08 | 2018-09-04 | 湖北金庄科技再生资源有限公司 | A kind of waterproof and dampproof enhanced sizing agent and preparation method thereof |
| CN108708215B (en) * | 2018-03-29 | 2020-07-10 | 句容市茂源织造厂 | Preparation method of starch-based papermaking surface sizing agent |
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