CN101376678B - Formula of acetate starch and preparation technique thereof - Google Patents
Formula of acetate starch and preparation technique thereof Download PDFInfo
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- CN101376678B CN101376678B CN2008102010021A CN200810201002A CN101376678B CN 101376678 B CN101376678 B CN 101376678B CN 2008102010021 A CN2008102010021 A CN 2008102010021A CN 200810201002 A CN200810201002 A CN 200810201002A CN 101376678 B CN101376678 B CN 101376678B
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- starch
- alcohol
- acetate starch
- acetate
- oxygenant
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- 229920002472 Starch Polymers 0.000 title claims abstract description 47
- 235000019698 starch Nutrition 0.000 title claims abstract description 47
- 239000008107 starch Substances 0.000 title claims abstract description 47
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 18
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000010298 pulverizing process Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 230000002829 reductive effect Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 12
- 240000008042 Zea mays Species 0.000 claims description 9
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 9
- 235000005822 corn Nutrition 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000004513 sizing Methods 0.000 abstract description 9
- 239000004753 textile Substances 0.000 abstract description 9
- 238000009472 formulation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 235000019441 ethanol Nutrition 0.000 abstract 5
- 229920002261 Corn starch Polymers 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 239000008120 corn starch Substances 0.000 abstract 2
- 239000007800 oxidant agent Substances 0.000 abstract 2
- 238000007873 sieving Methods 0.000 abstract 1
- 229920000881 Modified starch Polymers 0.000 description 7
- 235000019426 modified starch Nutrition 0.000 description 7
- 239000004368 Modified starch Substances 0.000 description 6
- 235000021050 feed intake Nutrition 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000009955 starching Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- -1 chloracetyl Chemical group 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000003535 D-glucopyranosyl group Chemical group [H]OC([H])([H])[C@@]1([H])OC([H])(*)[C@]([H])(O[H])[C@@]([H])(O[H])[C@]1([H])O[H] 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
The invention relates to an acetate starch formulation for textile sizing material, and a preparation method thereof. The acetate starch formulation comprises corn starch, caustic soda, oxidizer, reducer, and esterifying reagent, and is characterized in that the acetate starch formulation also comprises alcohol. The preparation method comprises the following steps: adding the corn starch, caustic soda and alcohol into a feed box, and stirring; sprinkling liquid oxidizer, sprinkling powdery reducer in dispersed manner, spraying with liquid esterifying reagent, heating with steam, evacuating, heating with steam to 65 DEG C, and persistently evacuating until the alcohol in the feed box is completely volatilized, distilled and recovered; and discharging, sieving, pulverizing and mixing. The alcohol solvent phase is employed to prepare acetate starch to reduce the production cost. The acetate starch replaces PVA in textile pulp application to acquire good effect, higher substitution degree, and excellent size film performance, and improve the sizing quality and level of subsequent textile sizing. The alcohol solvent phase production does not require water resource to have no waste water treatment.
Description
(1) technical field
The present invention relates to a kind of prescription and its preparation method that is used for the textile industry subsidiary material, specifically is a kind of being used for textiles sizing agent acetate starch formulation and preparation technology's method.
(2) background technology
Acetate starch claims acetyl starch again, and it is that parent and chemical reagent chloracetyl, acetic anhydride or vinyl acetate etc. make by esterification with the native starch.It is a kind of starch derivative, belongs to s-generation product in modified starch.Acetate starch has had more than 100 year history so far since coming out.Over more than 100 year, acetate starch is used widely in fields such as grocery trade, tackiness agent industry, paper-making industries.
The application of acetate starch in textile industry starts from the seventies in 20th century abroad, then is that recent two decades just begins to use in China.Be mainly used in and wash/silk/cotton blended yarn and the starching of textile thin yarn.Washing in addition/glue, washing/using as auxiliary slurry in the union yarn starchings such as hair, particularly in thin number highly dense pure cotton fabric and linen starching, the slurry of can deciding uses.Simultaneously to silvalins such as the more sensitive hair of high temperature, viscose glues, because the gelatinization point of acetate starch is lower, and slurries are difficult for gel, and to this fibrid yarn sizing, acetate starch also is a kind of comparatively ideal sizing agent.According to another pertinent data introduction both at home and abroad, acetate starch is kind preferably in the present modified starch, and it represents the direction of modified starch size Future Development.
The research of acetate starch has had the history in more than 100 year, is widely used in food or additive for papermaking at present, generally all is the water wet production, shortcoming is that the technological process of production is long, need to produce a large amount of trade effluents, environment is posed a big pressure with a large amount of water logging bubble, washing.For the deficient day by day current society of water resources, it is very urgent to develop new prescription and operational path production starch acetates.
Another shortcoming is the water suitability for industrialized production, and the product degree of substitution with acetyl group is not high, and the substitution value of the acetate starch that the existing processes condition is produced is between 0.05-0.07, and substitution value is meant and is substituted the average hydroxyl number that base replaces in each D-glucopyranosyl.In the starch most of glucosyl groups have three can substituted hydroxyl, so the maximum value of DS is 3.If say deeply, substitution value is represented reaction or the sex change " degree of depth " or the degree of modified starch.Usually the DS value of starch is lower, and the products production efficient of producing higher substitution value is low, even not capable with the water wet method.It is just a lot of that the solvent phase legal system is equipped with the acetate starch theory study of high substitution value.Because being used for being reported in both at home and abroad of large-scale industrial production, the consideration of cost aspect almost do not have.
In view of the foregoing, the textile industry field wishes to update, and a kind of acetate starch formulation and preparation technology thereof can be provided, and can change the pollution to environment, and improves the substitution value of acetate starch product.
(3) summary of the invention
The purpose of this invention is to provide a kind of acetate starch formulation and preparation technology thereof, can change the use great lot of water resources, environment is polluted, the situation that the cost that need have high input is handled, and the substitution value of raising acetate starch product.
Purpose of the present invention is realized by following technical scheme.
A kind of acetate starch, its raw material comprises corn ative starch, caustic soda, oxygenant, reductive agent and esterifying reagent, it is characterized in that, also comprises the alcohol as reaction medium.
The weight percent of described prescription:
Corn ative starch 78.78%---83.67%
Alcohol 8.37%---9.85%
Caustic soda 1.57%---2.46%
Oxygenant 0.10%---1.05%
Reductive agent 0.01%---0.05%
Esterifying reagent 6.28%---7.88%.
Described oxygenant is a clorox.
Described reductive agent is a sodium sulphite.
Described esterifying reagent is chloracetyl or vinyl acetate between to for plastic.
A kind of preparation technology's method of acetate starch is:
Stirring feeds intake: add the corn ative starch in hopper, caustic soda and alcohol stirred 10-15 minute; Spill oxygenant: be spilled into oxygenant, temperature raises, condition of normal pressure reaction 30-35 minute; Spread reductive agent: disperse to be sprinkled into the powdery reductive agent, reacted 10-15 minute; Spray esterifying reagent: the spraying liquid esterifying reagent, reacted 60-70 minute, temperature raises and surpasses 60 ℃ of reduction temperature of reaction in reaction process; Steam heating vacuumizes: reach 60-70 minute when the reaction times, with steam heating to 65 ℃ and continue to vacuumize, the distillation of volatilizing fully of the alcohol to the hopper is reclaimed;
Discharging, screening, pulverizing, mixing.
Sieve underfill aperture of described pulverizing is 2.0mm.
The product performance quality index:
Outward appearance: white or yellow powder are granular
Viscosity: L:4.0-8.0M:8.1-12.0H:12.1-16.0mPa.S (NDJ-79 type rotational viscosimeter is equal to reference to GB12098-89)
Viscosity stability:〉85.0% (weaving modified starch size quality industry standard commonly used, 2000 editions, tentative)
PH value: 6.0-7.0
Substitution value: 0.1-0.13 (the spinning sizing agent method of inspection commonly used)
Beneficial effect of the present invention and advantage:
Adopt prescription of the present invention and ratio thereof and preparation technology's method, change solvent phase into by water, alcohol has replaced the water of prior art, adopt corresponding processing method and requirement, significantly reduced the use to water, the consumption of alcohol is approximately one of the percentage of the consumption of water, no longer needs to expend great amount of water resources, also needn't carry out wastewater treatment, save corresponding human, financial and material resources.A small amount of alcohol that uses, the recycling use of can volatilizing like a cork.And, substitution value after tested: 0.10-0.13, be higher than prior art 0.05-0.07 far away, in any case be existing prescription and the technology index that is beyond one's reach, thus, improved the quality and the level of follow-up textiles starching.
Spirit solvent is produced acetate starch mutually, has broken through the cost misgivings on using, and substitutes the PVA use and obtained effect preferably on spinning sizing agent is used, and recently finishes watching and all can enough meet the need of market from sexual valence.Than high substitution value (〉 0.1) acetate starch compares the size film property excellence with other modified starch.Spirit solvent is produced not consume water resources mutually, no wastewater treatment, and a small amount of alcohol that consumes reclaims fully by last distillation, recycles.
Patent of the present invention is adopting a small amount of spirit solvent to produce mutually, has solved following three problems: 1. without water resources, do not have discharge of wastewater to handle.2. improved the substitution value of acetate starch, performance obviously is better than the acetate starch that other technology approach is produced.3. spinning sizing agent is used the medium viscosity good stability, satisfies the slashing technique requirement.
(4) description of drawings
Fig. 1 is the main FB(flow block) of preparation technology's method of a kind of acetate starch of the present invention.
(5) specific implementation method
Mode by the following examples further specifies the technical scheme of not inventing:
Embodiment 1
Feed intake and add all ingredients by the listed prescription of table 1, by following procedure operation: stirring feeds intake: add the corn ative starch in hopper, caustic soda and alcohol stirred 15 minutes; Spill oxygenant: be spilled into oxygenant, temperature raises naturally and does not control, condition of normal pressure reaction 35 minutes; Spread reductive agent: disperse to be sprinkled into the oxygenant in the powdery reductive agent destruction reaction system, reacted 15 minutes; Spray esterifying reagent: be sprayed into the liquid esterifying reagent, reacted 65 minutes, temperature raises and surpasses 60 ℃ in the reaction process, then reduces temperature of reaction with water-cooled tube; Steam heating vacuumizes: when the reaction times reaches 70 minutes, with steam heating to 65 ℃ and continue to vacuumize, the distillation of volatilizing fully of alcohol in the hopper is reclaimed, whole processing and preparing process is finished in discharging then, screening, pulverizing, mixing.Sieve underfill aperture of described pulverizing is 2.0mm.
Embodiment 2
Feed intake and add all ingredients by the listed prescription of table 1, by following procedure operation: stirring feeds intake: add the corn ative starch in hopper, caustic soda and alcohol stirred 11 minutes; Spill oxygenant: be spilled into oxygenant, temperature raises naturally and does not control, condition of normal pressure reaction 30 minutes; Spread reductive agent: disperse to be sprinkled into the oxygenant in the powdery reductive agent destruction reaction system, reacted 15 minutes; Spray esterifying reagent: be sprayed into the liquid esterifying reagent, reacted 70 minutes, temperature raises and surpasses 60 ℃ in the reaction process, reduces temperature of reaction with water-cooled tube; Steam heating vacuumizes: when the reaction times reaches 60 minutes, with steam heating to 65 ℃ and continue to vacuumize, the distillation of volatilizing fully of alcohol in the hopper is reclaimed, whole processing and preparing process is finished in discharging then, screening, pulverizing, mixing.Sieve underfill aperture of described pulverizing is 2.0mm.
Embodiment 3
Feed intake and add all ingredients by the listed prescription of table 1, by implementing 2 procedure operation.
Embodiment 4
Feed intake and add all ingredients by the listed prescription of table 1, stir 15 minutes except that the back that feeds intake, all the other programs press embodiment 2 and are operated.
Embodiment 5
Feed intake and add all ingredients by the listed prescription of table 1, by implementing 1 procedure operation.
Table 1: the component formula rate of each embodiment and the substitution value of finished product
| The component title | The corn ative starch | Alcohol | Caustic soda | Oxygenant | Reductive agent | Esterifying reagent | ? | Substitution value |
| Embodiment 1 | 80.00 | 8.37 | 1.68 | 0.86 | 0.05 | 6.84 | ? | 0.12 |
| Embodiment 2 | 82.80 | 8.89 | 2.18 | 0.98 | 0.04 | 7.82 | ? | 0.11 |
| Embodiment 3 | 79.60 | 9.29 | 1.88 | 0.38 | 0.03 | 7.22 | ? | 0.12 |
| Embodiment 2 | 83.61 | 8.59 | 2.08 | 0.28 | 0.01 | 6.72 | ? | 0.11 |
| Embodiment 3 | 78.80 | 8.89 | 1.78 | 0.18 | 0.03 | 7.28 | ? | 0.13 |
The substitution value of above embodiment is respectively: 0.12,0.11,0.12,0.11 and 0.13, be higher than prior art 0.05-0.07 far away, and other performance all meets listed desired value.
Claims (5)
1. acetate starch, its raw material comprises corn ative starch, caustic soda, oxygenant, reductive agent and esterifying reagent, it is characterized in that, also comprises the alcohol as reaction medium;
The weight percent of described prescription is:
Corn ative starch 78.78%---83.67%
Alcohol 8.37%---9.85%
Caustic soda 1.57%---2.46%
Oxygenant 0.10%---1.05%
Reductive agent 0.01%---0.05%
Esterifying reagent 6.28%---7.88%
Described esterifying reagent is a vinyl acetate between to for plastic.
2. acetate starch according to claim 1 is characterized in that described oxygenant is a clorox.
3. acetate starch according to claim 1 is characterized in that described reductive agent is a sodium sulphite.
4. the preparation technology's method according to the described acetate starch of claim 1 is,
Stirring feeds intake: add the corn ative starch in hopper, caustic soda and alcohol stirred 10-15 minute; Spill oxygenant: be spilled into oxygenant, temperature raises, condition of normal pressure reaction 30-35 minute; Spread reductive agent: disperse to be sprinkled into the powdery reductive agent, reacted 10-15 minute; Spray esterifying reagent: the spraying liquid esterifying reagent, reacted 60-70 minute, temperature raises and surpasses 60 ℃ of reduction temperature of reaction in reaction process; Steam heating vacuumizes: reach 60-70 minute when the reaction times, with steam heating to 65 ℃ and continue to vacuumize, the distillation of volatilizing fully of the alcohol to the hopper is reclaimed;
Discharging, screening, pulverizing, mixing.
5. preparation technology's method according to claim 4, sieve underfill aperture that it is characterized in that described pulverizing is 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102010021A CN101376678B (en) | 2008-10-10 | 2008-10-10 | Formula of acetate starch and preparation technique thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102010021A CN101376678B (en) | 2008-10-10 | 2008-10-10 | Formula of acetate starch and preparation technique thereof |
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| Publication Number | Publication Date |
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| CN101376678A CN101376678A (en) | 2009-03-04 |
| CN101376678B true CN101376678B (en) | 2011-01-26 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525859B (en) * | 2009-03-24 | 2010-09-08 | 东莞东美食品有限公司 | Preparation method for surface sizing starch |
| CN102329404B (en) * | 2011-08-15 | 2012-12-26 | 上海西达实业有限公司 | Composite modified graft starch for textile slurry and preparation method thereof |
| CN103739724B (en) * | 2014-01-14 | 2016-08-17 | 山东渠风食品科技有限公司 | Semen Tritici aestivi flour extracts the method for the A Starch Production acetate starch after gluten meal |
| CN103902840A (en) * | 2014-04-17 | 2014-07-02 | 西达（无锡）生物科技有限公司 | Method for improving performance of starch slurry film |
| CN104774272B (en) * | 2015-04-13 | 2016-02-03 | 江南大学 | A kind of method preparing low degree of substitution acetic ester starch slurry |
| CN107641158A (en) * | 2017-06-28 | 2018-01-30 | 常州市鑫嘉生物科技有限公司 | A kind of preparation method of converted starch |
| CN108978211A (en) * | 2018-08-01 | 2018-12-11 | 江西博世达科技有限公司 | Recompounded multielement method starch size and preparation method thereof |
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Effective date of registration: 20231010 Address after: Floor 2, No. 10, Lane 658, Jinzhong Road, Changning District, Shanghai, 200000 Patentee after: Xinxida (Shanghai) Biotechnology Co.,Ltd. Address before: 215505 High tech Industrial Park in Xishan Economic Development Zone, Jiangsu Province, south of Jiaoyang Road and west of Dongsheng Second Road (East Zone) Patentee before: XIDA (WUXI) BIOTECHNOLOGY CO.,LTD. |