CN102363937B - Guar gum surface sizing agent and its preparation method - Google Patents
Guar gum surface sizing agent and its preparation method Download PDFInfo
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- CN102363937B CN102363937B CN201110183023.7A CN201110183023A CN102363937B CN 102363937 B CN102363937 B CN 102363937B CN 201110183023 A CN201110183023 A CN 201110183023A CN 102363937 B CN102363937 B CN 102363937B
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- Prior art keywords
- guar gum
- guar
- sizing agent
- surface sizing
- preparation
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- 238000004513 sizing Methods 0.000 title claims abstract description 20
- 229920002907 Guar gum Polymers 0.000 title claims abstract description 18
- 239000000665 guar gum Substances 0.000 title claims abstract description 18
- 235000010417 guar gum Nutrition 0.000 title claims abstract description 18
- 229960002154 guar gum Drugs 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000007800 oxidant agent Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 6
- 230000001590 oxidative effect Effects 0.000 claims abstract description 5
- 244000007835 Cyamopsis tetragonoloba Species 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 9
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- RINCXYDBBGOEEQ-UHFFFAOYSA-N succinic anhydride Chemical compound O=C1CCC(=O)O1 RINCXYDBBGOEEQ-UHFFFAOYSA-N 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 6
- 229940117958 vinyl acetate Drugs 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 14
- 238000007639 printing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 235000021197 fiber intake Nutrition 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 229920002472 Starch Polymers 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 244000085692 Cordia alliodora Species 0.000 description 7
- 235000004258 Cordia alliodora Nutrition 0.000 description 7
- 238000013019 agitation Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 238000009835 boiling Methods 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229920005615 natural polymer Polymers 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 229920005575 poly(amic acid) Polymers 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 229920002085 Dialdehyde starch Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- PVEOYINWKBTPIZ-UHFFFAOYSA-N but-3-enoic acid Chemical class OC(=O)CC=C PVEOYINWKBTPIZ-UHFFFAOYSA-N 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 125000005429 oxyalkyl group Chemical group 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a guar gum surface sizing agent and its preparation method. The preparation method comprises the following steps of: (1) adding dropwisely an oxidant water solution into a solvent containing a guar gum raw powder, controlling the pH of the system within 2 to 4, and reacting to obtain oxidized guar gum; (2) adding a viscosity stabilizer into the product obtained from the step (1), simultaneously adjusting pH to 6-8, reacting, and collecting the guar gum surface sizing agent from the reaction product. By the adoption of the preparation method, the paper surface sizing agent provided by the invention can be used to reduce the finished paper fiber consumption, simplify the glue preparation technology, minimize labor intensity and raise the printing performance and printing strength for applying glue on the paper surface.
Description
Technical field
The present invention relates to a kind of preparation method of the guar surface sizing agent for paper.
Background technology
The kind of the Cypres that paper-making industry is used is a lot, source with chemicals can be divided into: natural polymer and synthetic high polymer Cypres, Cypres commonly used has: the natural polymer Cypres namely: cationic starch, anionic phosphate starch, oxyalkyl starch, dialdehyde starch, acetic acid esters starch, enzyme converted starch, acidified starch, animal glue, modified cellulose, alginate etc.; The synthetic high polymer Cypres has: polyvinyl alcohol (PVA), poly amic acid (PAM), polyurethane, AKD class etc.
at present, when producing two glue printing paper, most surface sizing techniques that use are that natural polymer Cypres and synthetic high polymer sizing agent is formulated by certain process ratio, as according to weight ratio being: cationic starch: polyvinyl alcohol (PVA): surface reinforcing agent (TSI)=78: 16: 10, the weight percent concentration of glue is 3-4%, the applying glue temperature is 50-80 ℃, the preparing process of this sizing agent is complicated, workload is large, at first to prepare cationic starch in disclosing at the glue that boils separately, polyvinyl alcohol glue, filtering through 80 purpose screens, then according to technological requirement, three kinds of glue are placed on one and join mixed preparing Cypres in the glue bucket, again be pumped in accumulator tank store standby, at last according to paper kind needs, on the paper sizing machine, paper is carried out the applying glue processing with pumping.The prepared existing artifical influence factor of glue agent of this adhesive-preparing technology is more; sizing material concentration is unstable; workman's manipulation strength is higher; during the page gluing; glue-spread is unstable; when paper prints in the printing house, often the phenomenons such as hair, dry linting can occur falling, the surface printing intensity of paper is relatively poor.
Summary of the invention
The objective of the invention is to disclose a kind of guar surface sizing agent and preparation method thereof, the defects that exists to overcome prior art.
The preparation method of guar surface sizing agent of the present invention comprises the steps:
(1) aqueous oxidizing agent solution is added dropwise to the solvent that contains the former powder of guar gum, time for adding is 20-45 minute, and temperature is 50-70 ℃, and after dropwising, adding hydrochloric acid or acetic acid hierarchy of control pH is 2-4, and reaction got oxidized guar after 2-5 hour;
(2) in the product of step (1), the viscosity stabiliser that adds guar gum oven dry weight 0.1-3%, regulating pH with NaOH simultaneously is 6-8, be warming up to 40-60 ℃, reaction 1-3 hour, make guar gum obtain crosslinked and esterification, then collect described guar surface sizing agent from product;
Described solvent is ethanol, methyl alcohol, isopropyl alcohol or propyl alcohol etc., preferred alcohol and isopropyl alcohol, and the weight ratio of solvent and guar gum is 1～2: 1;
Viscosity when the former powder of described guar gum is 25 ℃ of weight concentration 1% solution is less than 5000 former powder;
Described oxidant is peroxosulphuric or Peracetic acid, and the weight concentration of aqueous oxidizing agent solution is 30～40%, and the weight of described oxidant is the 0.3-0.7% of the former powder of guar gum;
Described viscosity stabiliser is the mixture of vinylacetate and succinyl oxide, and its addition is the 0.1-3% of the former grain weight amount of guar gum, and vinylacetate and succinyl oxide weight ratio are 1: 0.2～0.6.
Paper surface sizing agent provided by the invention can be lowered into the consumption of paper fiber, simplifies adhesive-preparing technology, reduces labour intensity, can improve the printing performance of paper for surface sizing and print intensity.
The specific embodiment
In embodiment, if no special instructions, the consumption of component is weight portion.
Embodiment 1
In the four-hole boiling flask that thermometer, mechanical agitation, logical nitrogen device and Dropping feeder are housed, add 200 parts of ethanol, open and stir, under agitation add 200 parts of guar gums, disperse to be warming up to 50 ℃ after 10 minutes, drip 10 parts of the 10wt% peroxosulphuric aqueous solution, time for adding is 20 minutes, after dropwising, reaction is 5 hours at this temperature, adds weight concentration 20% hydrochloric acid, the pH of the hierarchy of control is 2.0, is cooled to room temperature and gets oxidized guar;
Add 0.5 part of vinylacetate and 0.1 part of succinyl oxide in above-mentioned reaction system, and be the pH value to 8.0 of 30% sodium hydroxide solution regulator solution with weight concentration, be warming up to 40 ℃, reacted 1 hour, be cooled to 25 ℃, suction filtration, washing, drying, product of the present invention sieves to get;
Embodiment 2
In the four-hole boiling flask that thermometer, mechanical agitation, logical nitrogen device and Dropping feeder are housed, add 300 parts of ethanol, open and stir, under agitation add 200 parts of guar gums, disperse after 10 minutes, be warming up to 60 ℃, drip 12 parts of 10wt% peracetic acid solns, time for adding is 30 minutes, after dropwising, reaction is 3 hours at this temperature, and the pH that adds acetic acid to control the course of reaction system is 3.0, is cooled to room temperature and gets oxidized guar;
Add 0.65 part of vinylacetate and 0.35 part of succinyl oxide in above-mentioned reaction system, and be the p H value to 6.5 of 25% sodium hydroxide solution regulator solution with weight concentration, be warming up to 40 ℃, reacted 2 hours, be cooled to 25 ℃, suction filtration, washing, drying, product of the present invention sieves to get;
Embodiment 3
In the four-hole boiling flask that thermometer, mechanical agitation, logical nitrogen device and Dropping feeder are housed, add 400 parts of ethanol, open and stir, under agitation add 200 parts of guar gums, disperse after 5 minutes, be warming up to 70 ℃, drip 14 parts of 10% peracetic acid solns, time for adding is 45 minutes, after dropwising, reaction is 5 hours at this temperature, and the pH that adds acetic acid to control the course of reaction system is 4.0, is cooled to room temperature and gets oxidized guar;
Add 5 parts of vinylacetates and 1 part of succinyl oxide in above-mentioned reaction system, and with the pH value to 7.0 of the sodium hydroxide solution regulator solution of weight concentration 30%, be warming up to 50 ℃, reacted 1 hour, be cooled to 25 ℃, suction filtration, washing, drying, product of the present invention sieves to get;
Embodiment 4
(1) preparation of guar surface sizing agent glue:
With the product of the present invention of 20 parts, at room temperature be dispersed in 380 parts of water, after under agitation disperseing, under room temperature, dissolving is 1 hour, namely gets weight concentration and be 5% applying glue liquid; After crossing 80 order mesh screens, be pumped in storing container and store for future use;
(2) gluing condition:
Paper machine fabric width: 3150mm; Paper machine speed: 350m/min; Wet end furnish: softwood pulp 40%; Hardwood pulp 60%; Amount of filler: 20%; Resin application methods: size press; Upper gum concentration: 5%.
(3) effect:
Can find out from above experiment, product course of dissolution of the present invention is simple, compares with oxidized starch, and surface strength has larger raising.
Claims (5)
1. the preparation method of a guar surface sizing agent, is characterized in that, comprises the steps:
(1) aqueous oxidizing agent solution is added dropwise to the solvent that contains the former powder of guar gum, hierarchy of control pH is 2-4, and reaction gets oxidized guar;
(2) in the product of step (1), add viscosity stabiliser, regulating simultaneously pH is 6-8, and then reaction collects described guar surface sizing agent from product;
In step (2), in the product of step (1), add the viscosity stabiliser of guar gum oven dry weight 0.1-3%, adding simultaneously NaOH to regulate pH is 6-8, is warming up to 40-60 ℃, reaction 1-3 hour;
Described viscosity stabiliser is the mixture of vinylacetate and succinyl oxide, and its addition is the 0.1-3% of the former grain weight amount of guar gum, and vinylacetate and succinyl oxide weight ratio are 1:0.2～0.6.
2. method according to claim 1, it is characterized in that, in step (1), aqueous oxidizing agent solution is added dropwise to the solvent that contains the former powder of guar gum, time for adding is 20-45 minute, and temperature is 50-70 ℃, after dropwising, adding hydrochloric acid or acetic acid hierarchy of control pH is 2-4, and reaction is after 2-5 hour.
3. method according to claim 2, is characterized in that, described solvent is ethanol, methyl alcohol, isopropyl alcohol or propyl alcohol, and the weight ratio of solvent and guar gum is 1～2:1.
4. method according to claim 2, is characterized in that, described oxidant is peroxosulphuric or Peracetic acid, and the weight concentration of aqueous oxidizing agent solution is 30～40%, and the weight of described oxidant is the 0.3-0.7% of the former powder of guar gum.
5. the guar surface sizing agent of according to claim 1～4 described methods of any one preparations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183023.7A CN102363937B (en) | 2011-06-30 | 2011-06-30 | Guar gum surface sizing agent and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183023.7A CN102363937B (en) | 2011-06-30 | 2011-06-30 | Guar gum surface sizing agent and its preparation method |
Publications (2)
| Publication Number | Publication Date |
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| CN102363937A CN102363937A (en) | 2012-02-29 |
| CN102363937B true CN102363937B (en) | 2013-06-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731671B (en) * | 2012-06-29 | 2014-07-16 | 上海东升新材料有限公司 | Modified xanthan gum surface sizing agent, and preparation method thereof |
| CN106317331A (en) * | 2015-06-19 | 2017-01-11 | 上海东升新材料有限公司 | Method for preparing butyl acrylate grafted guar gum by microwave radiation |
| FR3085681B1 (en) * | 2018-09-07 | 2021-06-11 | Centre Nat Rech Scient | FUNCTIONALIZATION AND REINFORCEMENT IN THE DRY STATE AND IN THE WET STATE OF A CELLULOSIC MATERIAL BY AN OXIDIZED POLYSACCHARIDE |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844558A (en) * | 2006-03-14 | 2006-10-11 | 苏州润宝化学品有限公司 | Guar gum natural silk printing paste and method for preparing same |
| CN101514233A (en) * | 2008-12-30 | 2009-08-26 | 上海东升新材料有限公司 | Amphoteric guar gum, preparation method and application thereof |
| CN101555663A (en) * | 2009-03-31 | 2009-10-14 | 江西博大化工有限公司 | Modified vegetable gum slurry and preparation process thereof |
| CN101654892A (en) * | 2009-08-24 | 2010-02-24 | 牡丹江恒丰纸业股份有限公司 | Preparation method of ultrafine particles of cation guar gum |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004314395A (en) * | 2003-04-15 | 2004-11-11 | Canon Inc | Sizing agent and recording paper sheet using this |
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- 2011-06-30 CN CN201110183023.7A patent/CN102363937B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844558A (en) * | 2006-03-14 | 2006-10-11 | 苏州润宝化学品有限公司 | Guar gum natural silk printing paste and method for preparing same |
| CN101514233A (en) * | 2008-12-30 | 2009-08-26 | 上海东升新材料有限公司 | Amphoteric guar gum, preparation method and application thereof |
| CN101555663A (en) * | 2009-03-31 | 2009-10-14 | 江西博大化工有限公司 | Modified vegetable gum slurry and preparation process thereof |
| CN101654892A (en) * | 2009-08-24 | 2010-02-24 | 牡丹江恒丰纸业股份有限公司 | Preparation method of ultrafine particles of cation guar gum |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-314395A 2004.11.11 |
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| CN102363937A (en) | 2012-02-29 |
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