CN1560361A - Production technology of surface glueing starch with high reserving rate - Google Patents
Production technology of surface glueing starch with high reserving rate Download PDFInfo
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- CN1560361A CN1560361A CNA2004100164366A CN200410016436A CN1560361A CN 1560361 A CN1560361 A CN 1560361A CN A2004100164366 A CNA2004100164366 A CN A2004100164366A CN 200410016436 A CN200410016436 A CN 200410016436A CN 1560361 A CN1560361 A CN 1560361A
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- starch
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- acid
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- 229920002472 Starch Polymers 0.000 title claims abstract description 45
- 235000019698 starch Nutrition 0.000 title claims abstract description 45
- 239000008107 starch Substances 0.000 title claims abstract description 44
- 238000005516 engineering process Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000004026 adhesive bonding Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 150000001768 cations Chemical class 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 230000014759 maintenance of location Effects 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 238000006266 etherification reaction Methods 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000004513 sizing Methods 0.000 claims description 15
- 125000002091 cationic group Chemical group 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 150000008065 acid anhydrides Chemical class 0.000 claims description 4
- 238000005886 esterification reaction Methods 0.000 claims description 4
- 230000032050 esterification Effects 0.000 claims description 3
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- BOMLWFWRMBFFIA-UHFFFAOYSA-M [Cl-].ClC1C=CC1[N+](C)(C)C Chemical compound [Cl-].ClC1C=CC1[N+](C)(C)C BOMLWFWRMBFFIA-UHFFFAOYSA-M 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 230000037429 base substitution Effects 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 2
- 229960003750 ethyl chloride Drugs 0.000 claims description 2
- 150000001451 organic peroxides Chemical class 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- RINCXYDBBGOEEQ-UHFFFAOYSA-N succinic anhydride Chemical compound O=C1CCC(=O)O1 RINCXYDBBGOEEQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000013638 trimer Substances 0.000 claims description 2
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 229940117958 vinyl acetate Drugs 0.000 claims description 2
- LTVDFSLWFKLJDQ-UHFFFAOYSA-N α-tocopherolquinone Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)(O)CCC1=C(C)C(=O)C(C)=C(C)C1=O LTVDFSLWFKLJDQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000006467 substitution reaction Methods 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000003930 superacid Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 239000008394 flocculating agent Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 19
- 239000000835 fiber Substances 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 150000004965 peroxy acids Chemical class 0.000 description 5
- 239000001254 oxidized starch Substances 0.000 description 4
- 235000013808 oxidized starch Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000202567 Fatsia japonica Species 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- 239000004368 Modified starch Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- CSPHGSFZFWKVDL-UHFFFAOYSA-M (3-chloro-2-hydroxypropyl)-trimethylazanium;chloride Chemical class [Cl-].C[N+](C)(C)CC(O)CCl CSPHGSFZFWKVDL-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- PVEOYINWKBTPIZ-UHFFFAOYSA-N but-3-enoic acid Chemical class OC(=O)CC=C PVEOYINWKBTPIZ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
The invention relates to a high-retention surface glue-spreading starch producing process: 1), making cation etherification reaction and oxidation reaction; the cation etherification reaction adds in basic catalyst and cation etherifying agent in molar ratio of 1 to 1-3, mixing them fully and raising the temperature to 30-90 deg.C to react for 0.5-4 hours, so as to make the substitution degree of cation etherifying radicals at 0.010-0.025; the oxidation reaction adds in superacid chemical product in 0.1-1% of absolutely dry quantity of starches, controls pH value at 1-4, reacts at 40-90 deg.C for 0.5-5 hours to make starch viscosity reach the value needed, and terminating reaction; 2) making viscosity stabilization reaction; 3) after-processing to obtain the product. It can effectively improve surface strength, printing adaptability and brilliance of paper sheets and reduce the dosage of retaining and filtering auxiliaries and waste water flocculating agent, and also has the characters of simple producing process, high retention, etc.
Description
Technical field
The present invention relates to a kind of production technology of Type of High Retention Surface Sizing Starch.
Background technology
In order to give paper surface good smoothness and intensity are arranged, people often solve by the way of top sizing modified starch, usually adopt oxidized starch, but this starch and fiber compatibility are poor, when broken copies back, major part enters white-water system, BOD of system and COD value are increased, very harmful to environmental protection, influence system's Zeta potential simultaneously, and then influence paper machine making, and surface strength is also bad.Because cationic starch and anion fiber and filler have very strong suction-operated, can be well by fiber retention, and effectively reduce environmental pollution.Therefore fall over each other to develop the cationic starch that is applicable to paper for surface sizing both at home and abroad.But common cationic starch be because aspects such as its viscosity and stability can not be directly used in top sizing, must be by continuing modification, and to control its viscosity and to guarantee that it sticks with paste the stability of liquid.Reduce the viscosity of cationic starch, common way is that starch is carried out oxidation, and present common use clorox is as oxidant, but the reaction speed of clorox is slow, in oxidizing process, will cause the stripping of great amount of soluble glucide, and produce chloride carcinogen, production and environment are all caused very big influence.Chinese patent literature CN1275991A discloses a kind of " modified starch ", and it produces circuit is oxidation-esterification.Esterification is an anionic reactive, and it can improve characteristics such as gelatinized corn starch fluid viscosity stability, but poor to fiber affinity, and paper plant is formed contaminated wastewater.
Summary of the invention
The technical issues that need to address of the present invention are, overcome the existing deficiency of prior art, provide a kind of technology simple, and starch combines well with being with electronegative fiber, significantly reduces the production technology of the surface sizing starch of paper plant's contaminated wastewater.
The objective of the invention is in order to overcome the deficiency of above-mentioned prior art, adopt polynary sex change technology and unique peracid oxidation technology, shortened the reaction time greatly.Simultaneously can not generate harmful side product, reduce environmental hazard, the more important thing is viscosity stabilization, the surface property excellence makes paper color printing color more bright-coloured, and increases the affinity with paper greatly, almost 100% is retained on the fiber during broken reuse.
The production technology of Type of High Retention Surface Sizing Starch of the present invention, early stage, reaction had two lines: the A route: first CATION etherification reaction-rear oxidation reaction, perhaps B route initial oxidation reaction-back CATION etherification reaction.Two circuits respectively have characteristics, and wherein A route technological parameter on suitability for industrialized production is controlled easily, and the product purity of B route is better.Described CATION etherification reaction is, in starch or last reaction body, add base catalyst and cationic etherifying agent mixture, both mol ratios are 1: 1～3, make by stirring and fully to mix and to be warmed up to 30～90 ℃, reacted 0.5～4 hour, making CATION etherificate base substitution value is 0.010～0.025.Described oxidation reaction is that the peracid reagent of adding starch oven-dry weight 0.1～1% is controlled pH value between 1～4 in last reaction body or starch, under 40～90 ℃, reacts 0.5～5 hour, makes the starch viscosity value of meeting the requirements of, stopped reaction;
2) viscosity stability reaction: add the viscosity stabiliser of starch oven-dry weight 1～5%, regulate pH value to 6～9 simultaneously, under 50～120 ℃, reacted 1～3 hour, make starch carry out crosslinked and esterification; Its series of products viscosity be 5～500mPas (10% solid content, 50 ℃, Brookfield LV, 100rpm).
3) post processing gets product, is about to the product washing, filters, and pneumatic conveying drying, sieving obtains the Type of High Retention Surface Sizing Starch finished product.
Described base catalyst is a kind of in potassium hydroxide, calcium hydroxide, the NaOH or two kinds mixture wherein;
Described cationic etherifying agent is a kind of in 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride, epoxypropyl trimethylammonium chloride ammonium, 2-diethylin ethyl chloride, 4-chloro-2-cyclobutenyl trimethyl ammonium chloride, the Ethylenimine;
The described acid chemicals of crossing is one or both a mixture in Peracetic acid, peroxosulphuric, peroxide phosphoric acid, organic peroxide acid and the acid anhydrides;
Described viscosity stabiliser is one or both the mixture in vinylacetate, succinyl oxide, dicarboxylic acids half acid anhydride, the sodium phosphate trimer.
Basic principle of the present invention is the positive electricity substituting group absorption paper pulp fiber that utilizes in the starch molecule, makes that starch still is adsorbed on the fiber when the reuse of papermaking broken, thereby increases paper strength, eliminates the influence of surface sizing starch to wastewater treatment.Utilize super-acid oxidant that starch molecule amount and viscosity are controlled, make starch under higher concentration, all can use, thereby further improve indexs such as the surface strength of paper and smoothness.This positive electricity adsorptivity matches with the high efficiency oxidisability, is innovation part of the present invention.
Product of the present invention can improve surface strength of paper effectively, reduce the consumption of retention, filter aid and waste water flocculant in the slurry simultaneously, have cationic substituent, anion substituent and stable group in the products molecule of the present invention simultaneously, application process is consistent with conventional oxidized starch, and is easy to use.Product of the present invention is particularly useful for the production of paper kinds such as high-grade wood-free paper, electro-photographic paper, art paper, Alhue paper.
Product of the present invention both can adopt wet method, can adopt the preparation of semidry method combined producing tech again.
It is that main raw material carries out derivation process that product of the present invention adopts starch, and starch can be the product that corn, potato, cassava, wheat, rice etc. are made.
Product of the present invention reduces beyond the consumption of retention, filter aid and waste water flocculant in the slurry except improving surface strength of paper, printability and vividness effectively, and it is simple also to have production technology, characteristics such as retention height.
The specific embodiment
Below by embodiment, technical scheme of the present invention is described in further detail, but not as limitation of the present invention.In these embodiments, except as otherwise noted, umber and percentage is all with dry weight basis, and temperature all is degree centigrade.
Embodiment 1-A circuit:
With concentration be 20 parts in 25% NaOH and concentration is after 22 parts of 50% 3-chloro-2-hydroxypropyl-trimethyl ammonium chlorides mix, join (over dry meter in 500 parts of starch, wet method adopts 33～38% starch emulsions, semidry method adopts 83～88% dried starch), they are fully mixed, reaction temperature is controlled at 70～80 ℃, reaction time is 3 hours, product is a cationic starch, and its substitution value is 0.018, is cooled to room temperature.
Get 10 parts of the peracid solutions that configure, after mixing with suitable quantity of water, mix, be warming up to 70 ℃, after reacting 2～3 hours under this temperature, detected starch viscosity in per 10 minutes with the above-mentioned cationic starch that makes, when treating that viscosity reaches setting, stopped reaction.
Add 10 parts of stabilizing agent vinylacetates.Add sodium hydroxide solution simultaneously and transfer PH to 8, be warmed up to 80 ℃, react 2 hours, wash, drying, sieve product of the present invention.
Embodiment 2-A circuit:
Change the consumption of base catalyst, other conditions and embodiment 1-A are same, and result of the test is as follows:
| Numbering | Base catalyst consumption (part) | Etherifying agent/catalyst (mol ratio) | Reaction time (h) | Reaction temperature (℃) | Substitution value (%) |
| ??2-1 | ????28 | ????1∶3.0 | ??3 | ??75 | ??0.017 |
| ??2-2 | ????20 | ????1∶2.0 | ??3 | ??75 | ??0.018 |
| ??2-3 | ????10 | ????1∶1.0 | ??3 | ??75 | ??0.015 |
From The above results, in prescribed limit, change the consumption of base catalyst, all the product substitution value can be reached prescribed limit.Simultaneously, when the base catalyst consumption was 20 parts, technology obtained optimum optimization.
Embodiment 3-A circuit:
| Numbering | Cationic etherifying agent consumption (part) | Base catalyst consumption (part) | Reaction time (h) | Reaction temperature (℃) | Substitution value (%) |
| ??3-1 | ??10 | ??20 | ????3 | ??75 | ??0.010 |
| ??3-2 | ??22 | ??20 | ????3 | ??75 | ??0.018 |
| ??3-3 | ??28 | ??20 | ????3 | ??75 | ??0.025 |
Change the consumption of cationic etherifying agent, other conditions and embodiment 1-A are same, and result of the test is as follows:
From The above results, in prescribed limit, change the consumption of cationic etherifying agent, substitution value obtains corresponding results in prescribed limit.Simultaneously, when the cationic etherifying agent consumption was 22 parts, substitution value obtained moderate numerical value.
Embodiment 4-A circuit:
Changed the consumption of acid chemicals, other conditions and embodiment 1-A are same, and result of the test is as follows:
| Numbering | Peracid chemicals usage (part) | Peracid/starch (over dry ratio) | Reaction time (h) | Reaction temperature (℃) | Viscosity (Brookfield LV, 6%, 60 ℃, mPas) |
| ??4-1 | ????2 | ????0.1％ | ????2 | ???70 | ?100 |
| ??4-2 | ????10 | ????0.5％ | ????2 | ???70 | ?20 |
| ??4-3 | ????20 | ????1.0％ | ????2 | ???70 | ?10 |
From The above results, in prescribed limit, changed the consumption of acid chemicals, viscosity obtains corresponding results in prescribed limit.Simultaneously, when having served as the acid chemicals consumption and being 10 parts, viscosity obtains moderate numerical value.
Embodiment 5-A circuit:
Change the consumption of stabilizing agent, other conditions and embodiment 1-A are same, and result of the test is as follows:
| Numbering | Stabilizing agent dosage (part) | Stabilizing agent/starch (over dry ratio) | Reaction time (h) | Reaction temperature (℃) | Low temperature viscosity (Brookfield LV, 6%, 20 ℃, mPas) |
| ?5-1 | ??5 | ???1％ | ??2 | ??80 | ?200 |
| ?5-2 | ??10 | ???2％ | ??2 | ??80 | ?40 |
| ?5-3 | ??25 | ???5％ | ??2 | ??80 | ?30 |
From The above results, in prescribed limit, change the consumption of stabilizing agent, low temperature viscosity and paste liquid stability obtain corresponding results in prescribed limit.Simultaneously, when stabilizing agent dosage was 10 parts, viscosity stability obtained moderate numerical value.
Embodiment 6-B circuit:
Cationization technology behind the employing initial oxidation, other condition and 1-A are together.
The application technology of the present invention on cultural paper should be specifically noted that following some:
1, the product consumption is 1～6% of a paper amount, and better suited upward gum concentration is 4～10%.
2, product can adopt batch process or serialization gelatinization.During the batch process gelatinization, gelatinization concentration 5～15% is disperseed with cold water earlier usually, is warming up to 90～95 ℃, is incubated 20 minutes.Gelatinization concentration is 15～30% during the continuity method gelatinization, generally adopts the continuous steamer boiling, and temperature is 120～130 ℃, and pressure is 1.0～2.5bar.
3, should be diluted to required last gum concentration after the product gelatinization, be generally 4～10%, viscosity was preferably (60 ℃ of 10-20mPas when product used.The Brookfield viscosimeter).
Effect
Use 1---the application test result of wood-free paper
(1) operating condition
Paper machine fabric width: 3150mm; Paper machine speed: 400m/min; Wet end furnish: softwood pulp 20%; Hardwood pulp 50%; Secondary stock 30%; Amount of filler: 20%; Applying glue mode: size press; Last gum concentration 6%.
(2) effect
| Sizing agent | Numbering | Surface strength (rod wax) | Surface strength raising rate (%) | Degree of sizing (g/m 2) | ??BOD ??(mg/l) | BOD rate of descent (%) | ??COD ??(mg/l) | COD rate of descent (%) |
| Embodiment 1 | ?- | ??18 | ??28 | ??22 | ??20 | ??80 | ??50 | ????83 |
| Embodiment 2 | ?2-1 | ??16 | ??14 | ??22 | ??22 | ??78 | ??55 | ????82 |
| ?2-2 | ??18 | ??28 | ??22 | ??21 | ??79 | ??53 | ????81 | |
| ?2-3 | ??16 | ??14 | ??22 | ??23 | ??77 | ??55 | ????82 | |
| Embodiment 3 | ?3-1 | ??14 | ??0 | ??22 | ??23 | ??77 | ??55 | ????82 |
| ?3-2 | ??16 | ??16 | ??22 | ??20 | ??80 | ??50 | ????83 | |
| ?3-3 | ??18 | ??28 | ??22 | ??18 | ??82 | ??45 | ????85 | |
| Embodiment 4 | ?4-1 | ??18 | ??28 | ??24 | ??23 | ??77 | ??55 | ????82 |
| ?4-2 | ??16 | ??14 | ??24 | ??23 | ??77 | ??55 | ????82 | |
| ?4-3 | ??14 | ??0 | ??24 | ??23 | ??77 | ??55 | ????82 | |
| Embodiment 5 | ?5-1 | ??16 | ??14 | ??23 | ??22 | ??78 | ??53 | ????81 |
| ?5-2 | ??18 | ??28 | ??23 | ??22 | ??78 | ??53 | ????81 | |
| ?5-3 | ??16 | ??14 | ??23 | ??22 | ??78 | ??53 | ????81 | |
| Embodiment 6 | ?- | ??18 | ??28 | ??22 | ??20 | ??77 | ??51 | ????83 |
| Oxidized starch | ?- | ??14 | ??/ | ??22 | ??100 | ??/ | ??300 | ????/ |
Use 2---the application test result in electro-photographic paper
(1) operating condition
Paper machine fabric width: 3150mm; Paper machine speed: 400m/min; Mixed pulp ratio: softwood pulp 20%; Hardwood pulp 50%; Secondary stock 30%; Amount of filler: 20%; Applying glue mode: size press; Last gum concentration 6%; Polymer sizing agent 400DS0.4%; Electrostatic agent 0.5%.
(2) effect
| Sizing agent | Numbering | Surface strength (rod wax) | Surface strength raising rate (%) | ???IGT ???(cm/sec) | IGT raising rate (%) | Color density (deceiving) | Color density raising rate (%) |
| Embodiment 1 | ?- | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 |
| Embodiment 2 | ?2-1 | ??18 | ??28.6 | ???7 | ??40 | ????1.6 | ????33 |
| ?2-2 | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 | |
| ?2-3 | ??18 | ??28.6 | ???8 | ??60 | ????1.4 | ????17 | |
| Embodiment 3 | ?3-1 | ??18 | ??28.6 | ???7 | ??40 | ????1.4 | ????17 |
| ?3-2 | ??18 | ??28.6 | ???8 | ??60 | ????1.5 | ????25 | |
| ?3-3 | ??18 | ??28.6 | ???8 | ??60 | ????1.6 | ????33 | |
| Embodiment 4 | ?4-1 | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 |
| ?4-2 | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 | |
| ?4-3 | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 | |
| Embodiment 5 | ?5-1 | ??18 | ??28.6 | ???7 | ??40 | ????1.5 | ????25 |
| ?5-2 | ??16 | ??14 | ???7 | ??40 | ????1.5 | ????25 | |
| ?5-3 | ??16 | ??14 | ???8 | ??60 | ????1.5 | ????25 | |
| Embodiment 6 | ?- | ??18 | ??28.6 | ???7 | ??40 | ????1.4 | ????17 |
| Oxidized starch | ?- | ??14 | ??/ | ???5 | ??/ | ????1.2 | ????/ |
Claims (2)
1, a kind of production technology of Type of High Retention Surface Sizing Starch is characterized in that:
1) first CATION etherification reaction-rear oxidation reaction, perhaps initial oxidation reaction-back CATION etherification reaction; Described CATION etherification reaction is, in starch or last reaction body, add base catalyst and cationic etherifying agent mixture, both mol ratios are 1: 1～3, it is fully mixed and be warmed up to 30～90 ℃ by stirring, reacted 0.5～4 hour, making CATION etherificate base substitution value is 0.010～0.025; Described oxidation reaction is that the mistake acid chemicals of adding starch oven-dry weight 0.1～1% is controlled pH value between 1～4 in last reaction body or starch, under 40～90 ℃, reacts 0.5～5 hour, makes the starch viscosity value of meeting the requirements of, stopped reaction;
2) viscosity stability reaction: add the viscosity stabiliser of starch oven-dry weight 1～5%, regulate pH value to 6～9 simultaneously, under 50～120 ℃, reacted 1～3 hour, make starch carry out crosslinked and esterification;
3) post processing gets product.
2, the production technology of Type of High Retention Surface Sizing Starch according to claim 1 is characterized in that:
Described base catalyst is a kind of in potassium hydroxide, calcium hydroxide, the NaOH or two kinds mixture wherein;
Described cationic etherifying agent is a kind of in 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride, epoxypropyl trimethylammonium chloride ammonium, 2-diethylin ethyl chloride, 4-chloro-2-cyclobutenyl trimethyl ammonium chloride, the Ethylenimine;
The described acid chemicals of crossing is one or both a mixture in Peracetic acid, peroxosulphuric, peroxide phosphoric acid, organic peroxide acid and the acid anhydrides;
Described viscosity stabiliser is one or both the mixture in vinylacetate, succinyl oxide, dicarboxylic acids half acid anhydride, the sodium phosphate trimer.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101506436B (en) * | 2006-08-31 | 2011-07-06 | 播磨化成株式会社 | Surface sizing agent and use thereof |
| CN102382197A (en) * | 2011-07-28 | 2012-03-21 | 广西农垦明阳生化集团股份有限公司 | Preparation method of high viscosity cationic starch |
| CN102558373A (en) * | 2011-12-15 | 2012-07-11 | 杭州纸友科技有限公司 | Efficient and clean manufacturing method of continuous-flow-state pipelined cation-oxidized starch |
| CN103012605A (en) * | 2012-12-11 | 2013-04-03 | 广西民族大学 | Method for preparing high-retention environmental-friendly one-step double-modified starch |
| CN103242459A (en) * | 2013-05-27 | 2013-08-14 | 江西鑫川实业有限公司 | Crosslinked amphoteric starch and preparation method thereof |
| CN103696320A (en) * | 2013-12-24 | 2014-04-02 | 江西红星变性淀粉有限公司 | Preparation process for oxidized cationic sizing starch |
| CN106032392A (en) * | 2015-03-20 | 2016-10-19 | 上海东升新材料有限公司 | Cationic starch and preparation method and application thereof |
| CN106032393A (en) * | 2015-03-20 | 2016-10-19 | 上海东升新材料有限公司 | Method for preparing cationic starch through dry method |
| CN108708215A (en) * | 2018-03-29 | 2018-10-26 | 句容市茂源织造厂 | A kind of preparation method of starch base paper surface-sizing agent |
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| CN101195978B (en) * | 2008-01-04 | 2010-06-02 | 广西明阳生化科技股份有限公司 | Multicomponent modified starch for papermaking and producing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101506436B (en) * | 2006-08-31 | 2011-07-06 | 播磨化成株式会社 | Surface sizing agent and use thereof |
| CN102382197A (en) * | 2011-07-28 | 2012-03-21 | 广西农垦明阳生化集团股份有限公司 | Preparation method of high viscosity cationic starch |
| CN102382197B (en) * | 2011-07-28 | 2013-05-29 | 广西农垦明阳生化集团股份有限公司 | Preparation method of high viscosity cationic starch |
| CN102558373A (en) * | 2011-12-15 | 2012-07-11 | 杭州纸友科技有限公司 | Efficient and clean manufacturing method of continuous-flow-state pipelined cation-oxidized starch |
| CN103012605A (en) * | 2012-12-11 | 2013-04-03 | 广西民族大学 | Method for preparing high-retention environmental-friendly one-step double-modified starch |
| CN103242459A (en) * | 2013-05-27 | 2013-08-14 | 江西鑫川实业有限公司 | Crosslinked amphoteric starch and preparation method thereof |
| CN103242459B (en) * | 2013-05-27 | 2015-07-15 | 江西鑫川实业有限公司 | Crosslinked amphoteric starch and preparation method thereof |
| CN103696320A (en) * | 2013-12-24 | 2014-04-02 | 江西红星变性淀粉有限公司 | Preparation process for oxidized cationic sizing starch |
| CN103696320B (en) * | 2013-12-24 | 2015-09-16 | 江西红星变性淀粉有限公司 | A kind of preparation technology of oxidative cationic size-press starch |
| CN106032392A (en) * | 2015-03-20 | 2016-10-19 | 上海东升新材料有限公司 | Cationic starch and preparation method and application thereof |
| CN106032393A (en) * | 2015-03-20 | 2016-10-19 | 上海东升新材料有限公司 | Method for preparing cationic starch through dry method |
| CN108708215A (en) * | 2018-03-29 | 2018-10-26 | 句容市茂源织造厂 | A kind of preparation method of starch base paper surface-sizing agent |
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