CN103103761B - Aging-resistant hydroxyethyl high-performance modified starch - Google Patents
Aging-resistant hydroxyethyl high-performance modified starch Download PDFInfo
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- CN103103761B CN103103761B CN201210529774.4A CN201210529774A CN103103761B CN 103103761 B CN103103761 B CN 103103761B CN 201210529774 A CN201210529774 A CN 201210529774A CN 103103761 B CN103103761 B CN 103103761B
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Abstract
The invention discloses aging-resistant hydroxyethyl high-performance modified starch. The starch is prepared through the mixing and reacting of the following raw materials in percentage by mass: 82-95% of corn starch, 1-12% of epoxyethane, 1-13% of sodium phosphate, 1-5% of polyvinyl pyrrolidone and 0.1-11% of persulfate. The aging-resistant hydroxyethyl high-performance modified starch is environment-friendly and has good aging resistance, the starch liquid is stable in viscosity, has strong adhesive power to both cotton and dacron, good fluidity and good film forming property and is easy to destarch, the starch liquid wastewater is easily treated and easily biodegraded and hardly causes pollution to the environment, and thus, the zero-pollution emission is achieved during production.
Description
Technical field
The invention belongs to field of textile industry, be specifically related to a kind of slurry in textile industry yarn sizing technique.
Background technology
In yarn sizing technique in textile industry, due to polyvinyl alcohol (PVA) slurry, there is excellent film forming, adhesiveness and have the feature of better intermiscibility with other slurries, being considered to solve polyester cotton blended yarn and cotton fine count, the optimal slurry of highly dense, high-leveled and difficult kind.But because the price of polyvinyl alcohol (PVA) slurry is far away higher than Starch Size, the slurry of polyvinyl alcohol (PVA) slurry and some difficult degradations in addition, the slurries waste water after destarch is difficult to process, causes environmental pollution.Extensive attention has been caused to the destruction of environment, pollution problem, especially the fabric through polyvinyl alcohol (PVA) slurry sizing is limited in exported product, therefore, warp sizing is used less or without polyvinyl alcohol (PVA) slurry, is become problem demanding prompt solution.Also some non-polyvinyl alcohol cationoid slurries are disclosed in prior art, but in high-quality and special application field, existing slurry still Shortcomings in anti-aging, antifatigue, high film build, this seriously constrains the range of application of non-polyvinyl alcohol pulp.
Summary of the invention
The object of the invention is on the basis of existing technology, a kind of low cost, excellent performance and do not use the anti-aging ethoxy high-performance converted starch of PVA are provided.
Another object of the present invention is to provide a kind of using method and preparation method of above-mentioned slurry.
Object of the present invention can be reached by following measures:
A kind of anti-aging ethoxy high-performance converted starch, this slurry is formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polyvinylpyrrolidone and persulfate, wherein the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 12%, sodium phosphate 1 ~ 13%, polyvinylpyrrolidone 1 ~ 5%, each raw material sum of persulfate 0.1 ~ 11%(is 100%).
In a kind of preferred version, the mass content of each raw material is: cornstarch 82 ~ 95%, oxirane 1 ~ 5%, sodium phosphate 2 ~ 8%, polyvinylpyrrolidone 1 ~ 5%, and each raw material sum of persulfate 1 ~ 5%(is 100%).
In the hybrid reaction of each raw material, temperature is preferably 60 DEG C ~ 68 DEG C, preferably 62 ~ 66 DEG C further, most preferably at about 64 DEG C.The hybrid reaction time can regulate according to actual conditions, can be generally 0.5 ~ 1.5h.
Persulfate in the present invention is selected from one or more in persulfuric acid calcium, potassium hydrogen persulfate, ammonium persulfate.
Slurry of the present invention, by preliminary hybrid reaction by oxirane, microcapsule embedded method is adopted to embed, carry out special treatment, the invention discloses a kind of using method of above-mentioned anti-aging ethoxy high-performance converted starch: above-mentioned anti-aging ethoxy high-performance converted starch before use, first add water and be warming up to 95 DEG C ~ 130 DEG C and carry out insulation reaction, after reaction, obtain the emulsion to textile sizing.Its ethylene oxide, sodium phosphate, polyvinylpyrrolidone, persulfate match and cornstarch generation chemical reaction, it comprises etherificate, is cross-linked, is oxidized recombination reaction etc., as oxirane and cornstarch generation etherificate ethoxy react, sodium phosphate, polyvinylpyrrolidone and cornstarch generation cross-linking reaction, persulfate and cornstarch generation oxidation reaction, etc.
In insulation reaction before using according to produce the solid content that is suitable for determine the ratio of anti-aging ethoxy high-performance converted starch and water, the mass ratio of anti-aging ethoxy high-performance converted starch and water is generally 10 ~ 20:80 ~ 90, be preferably 8 ~ 16:84 ~ 92, more preferably 9 ~ 14:86 ~ 91.Insulation reaction is generally under agitation carried out, and the time of insulation reaction is preferably 20 ~ 60min, more preferably 30 ~ 50min.
The present invention also comprises a kind of preparation method of anti-aging ethoxy high-performance converted starch: raw material cornstarch, oxirane, sodium phosphate, polyvinylpyrrolidone and persulfate are obtained by hybrid reaction, wherein the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 12%, sodium phosphate 1 ~ 13%, polyvinylpyrrolidone 1 ~ 5%, persulfate 0.1 ~ 11%.Wherein each general or optimum condition is described above
The performances such as anti-aging ethoxy high-performance converted starch of the present invention has that adhesion is strong, good film-forming property, serous coat are tough, has good elasticity, wear-resisting.When weaving starching on purified cotton yarns, can without polyvinyl alcohol (PVA) below kind 80 yarns of general tightness, on silk ribbon cotton or 80 above purified cotton yarns of yarn, starching also can use no or little polyvinyl alcohol (PVA).It has following performance further:
This anti-aging ethoxy high-performance converted starch is environmentally friendly, containing polyvinyl alcohol (PVA) etc. can with biodegradable material, it has good ageing resistace, and slurry viscosity is stablized, stronger adhesion is all had (to detect through slurry adhesion to cotton and terylene, textile adhesion is at more than 95.64N, and polyester-cotton blend adhesion is at more than 132.89N), slurry fluidity is good, slurries good film-forming property, easy destarch, slurries waste water is easy to process, and easily biological-degradable (adopts
-TEWEGA-SKala standard carries out biodegradation test, and lower same, result reaches 9 grades), environmental pollution is little, is no pollution discharge in process of production.
Detailed description of the invention
Embodiment 1
By cornstarch 85kg, oxirane 4kg, sodium phosphate 5kg, polyvinylpyrrolidone 3 ㎏, persulfuric acid calcium 2kg, is respectively charged into retort, carries out cessation reaction after compound hybrid reaction 1.0h at 63 DEG C of temperature, discharging packaging, warehouse-in.Client in use, then adds the gelatinization of 887kg clear water and is warming up to 95 DEG C or in pressure pan, add clear water be warming up to 125 DEG C of insulation 30 ~ 50min and carry out etherificate, crosslinked, oxidation recombination reaction and the obtained emulsion to textile sizing.
Its biodegradation tests 9 grades.Detect through slurry adhesion, its textile adhesion is 111N, and polyester-cotton blend adhesion is 145N.The slurry prepared the embodiment 1 in CN102733190A, CN102733191A, CN102605618A respectively carries out identical adhesion and detects, and wherein the textile adhesion of CN102733190A is 91N, and polyester-cotton blend adhesion is 115N; The textile adhesion of CN102733191A is 93N, and polyester-cotton blend adhesion is 119N; The textile adhesion of CN102605618A is 66N, and polyester-cotton blend adhesion is 97N.
This emulsion has good ageing resistace, and slurries are at room temperature placed 24h and do not congealed, and slurry fluidity is good, unchanged compared with before 24h.The slurry prepared with the embodiment 1 in CN102733190A, CN102733191A, CN102605618A respectively carries out contrast experiment under same condition, and CN102733190A mobility when 18h starts to be deteriorated gradually; CN102733191A mobility when 16h starts to be deteriorated gradually; CN102605618A mobility when 12h starts to be deteriorated gradually.
Embodiment 2
By cornstarch 88kg, oxirane 2kg, sodium phosphate 5 ㎏, polyvinylpyrrolidone 3 ㎏, potassium hydrogen persulfate 2kg, is respectively charged into retort, carries out cessation reaction after compound hybrid reaction 1.0h at 63 DEG C of temperature, discharging packaging, warehouse-in.Client in use, then adds the gelatinization of 881kg clear water and is warming up to 95 DEG C or in pressure pan, add clear water be warming up to the emulsion that 125 DEG C of insulation 30 ~ 50min carry out etherificate, crosslinked, oxidation recombination reaction and obtained textile sizing.Detect through slurry adhesion, its textile adhesion is 105N, and polyester-cotton blend adhesion is 139N.Slurries are at room temperature placed 24h and are not congealed, and slurry fluidity is good, unchanged compared with before 24h.
Embodiment 3
By cornstarch 92kg, oxirane 1kg, sodium phosphate 4 ㎏, polyvinylpyrrolidone 2 ㎏, ammonium persulfate 1kg, is respectively charged into retort, carries out cessation reaction after compound hybrid reaction 1.0h at 63 DEG C of temperature, discharging packaging, warehouse-in.Client in use, then adds the gelatinization of 904kg clear water and is warming up to 95 DEG C or in pressure pan, add clear water be warming up to the emulsion that 125 DEG C of insulation 30 ~ 50min carry out etherificate, crosslinked, oxidation recombination reaction and obtained textile sizing.Detect through slurry adhesion, its textile adhesion is 108N, and polyester-cotton blend adhesion is 144N.Slurries are at room temperature placed 24h and are not congealed, and slurry fluidity is good, unchanged compared with before 24h.
Adopt all or part of polyvinyl alcohol, high-performance starch and the common starch substituted in existing formula of size of the various embodiments described above gained emulsion slurry, in actual production, starching process is carried out to fabric, and adopt existing formula to do control experiment.Each group of formula and working condition see the following form.
Test 1
Kind: C40 × 40 133 × 95 120 " 4/1 specification
| ? | Polyvinyl alcohol (PVA) 1799 | High-performance starch | Common starch | Propylene | Wax disk(-sc) | Solid content |
| Original formulation | 12.5kg | 25.0kg | 75kg | 20kg | 2.0kg | 13.0％ |
| Example 1 | Ethoxy high-performance converted starch | ? | Common starch | Propylene | Wax disk(-sc) | Solid content |
| New formula | 37.50㎏ | ? | 75 | 20.0㎏ | 2.0㎏ | 13.0％ |
The slashing technique quality comparation of each formula
Test 2:
Kind: JC60 × 60 140 × 140 72 " specifications
| ? | Polyvinyl alcohol (PVA) 1799 | Polyvinyl alcohol (PVA) 205 | Common starch | Propylene | Wax disk(-sc) | Solid content |
| Original formulation | 37.5㎏ | 15.0㎏ | 75.0㎏ | 5.0㎏ | 2.0㎏ | 13.8％ |
| Example 2 | Polyvinyl alcohol (PVA) | Ethoxy high-performance converted starch | Common starch | Propylene | Wax disk(-sc) | Solid content |
| New formula | ? | 62.5㎏ | 62.5㎏ | 5.0㎏ | 2.0㎏ | 12.8％ |
The slashing technique quality comparation of each formula
Test 3:
Specification on kind: JC7.3/7.3 9.6/669 170cm satin weave
| ? | Polyvinyl alcohol (PVA) 1799 | Polyvinyl alcohol (PVA) 205 | Common starch | Propylene | Wax disk(-sc) | Solid content |
| Original formulation | 37.5㎏ | 40.0㎏ | 50.0㎏ | 4.0㎏ | 4.0㎏ | 15.0％ |
| Real 1 example 3 | Polyvinyl alcohol (PVA) 1799 | Ethoxy high-performance converted starch | Common starch | Propylene | Wax disk(-sc) | Solid content |
| New formula | ? | 87.5㎏ | 50.0㎏ | 4.0㎏ | 4.0㎏ | 15.7％ |
The slashing technique quality comparation of each formula
Claims (13)
1. an anti-aging ethoxy high-performance converted starch, it is characterized in that being formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polyvinylpyrrolidone and persulfate, wherein the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 12%, sodium phosphate 1 ~ 13%, polyvinylpyrrolidone 1 ~ 5%, persulfate 0.1 ~ 11%; Wherein the hybrid reaction temperature of each raw material is 60 DEG C ~ 68 DEG C, and the hybrid reaction time is 0.5 ~ 1.5h.
2. anti-aging ethoxy high-performance converted starch according to claim 1, is characterized in that the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 5%, sodium phosphate 2 ~ 8%, polyvinylpyrrolidone 1 ~ 5%, persulfate 1 ~ 5%.
3. anti-aging ethoxy high-performance converted starch according to claim 1, is characterized in that the hybrid reaction temperature of described each raw material is 62 DEG C ~ 66 DEG C.
4. anti-aging ethoxy high-performance converted starch according to claim 1 and 2, is characterized in that one or more that described persulfate is selected from persulfuric acid calcium, potassium hydrogen persulfate, ammonium persulfate.
5. the using method of anti-aging ethoxy high-performance converted starch described in a claim 1, it is characterized in that anti-aging ethoxy high-performance converted starch before use, first add water and be warming up to 95 DEG C ~ 130 DEG C and carry out insulation reaction, after reaction, obtain the emulsion to textile sizing;
This anti-aging ethoxy high-performance converted starch is formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polyvinylpyrrolidone and persulfate, wherein the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 12%, sodium phosphate 1 ~ 13%, polyvinylpyrrolidone 1 ~ 5%, persulfate 0.1 ~ 11%; Wherein the hybrid reaction temperature of each raw material is 60 DEG C ~ 68 DEG C, and the hybrid reaction time is 0.5 ~ 1.5h.
6. method according to claim 5, is characterized in that the mass ratio of described anti-aging ethoxy high-performance converted starch and water is 10 ~ 20:80 ~ 90; The time of the insulation reaction before using is 10 ~ 60min.
7. method according to claim 5, is characterized in that the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 5%, sodium phosphate 2 ~ 8%, polyvinylpyrrolidone 1 ~ 5%, persulfate 1 ~ 5%.
8. method according to claim 5, is characterized in that the hybrid reaction temperature of described each raw material is 62 DEG C ~ 66 DEG C.
9. method according to claim 5, is characterized in that one or more that described persulfate is selected from persulfuric acid calcium, potassium hydrogen persulfate, ammonium persulfate.
10. the preparation method of an anti-aging ethoxy high-performance converted starch, raw material cornstarch, oxirane, sodium phosphate, polyvinylpyrrolidone and persulfate is it is characterized in that to be obtained by hybrid reaction, wherein the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 12%, sodium phosphate 1 ~ 13%, polyvinylpyrrolidone 1 ~ 5%, persulfate 0.1 ~ 11%; Wherein the hybrid reaction temperature of each raw material is 60 DEG C ~ 68 DEG C, and the hybrid reaction time is 0.5 ~ 1.5h.
11. methods according to claim 10, is characterized in that the mass content of each raw material is cornstarch 82 ~ 95%, oxirane 1 ~ 5%, sodium phosphate 2 ~ 8%, polyvinylpyrrolidone 1 ~ 5%, persulfate 1 ~ 5%.
12. methods according to claim 10, is characterized in that the hybrid reaction temperature of described each raw material is 62 DEG C ~ 66 DEG C.
13. methods according to claim 10, is characterized in that one or more that described persulfate is selected from persulfuric acid calcium, potassium hydrogen persulfate, ammonium persulfate.
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| CN103103761B true CN103103761B (en) | 2015-01-21 |
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| CN105421065B (en) * | 2015-11-27 | 2017-08-15 | 宜兴市军达浆料科技有限公司 | It is a kind of prepare can room temperature starching starch size method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143650A (en) * | 1995-08-24 | 1997-02-26 | 西安石油学院 | Process for preparing quaternary type cationic hydroxyethyl starch |
| CN1478794A (en) * | 2003-07-07 | 2004-03-03 | 江南大学 | Four element complex denatured starch sizing material and its preparation method and application |
| CN101775076A (en) * | 2010-02-25 | 2010-07-14 | 成都青山利康药业有限公司 | Method for preparing hydroxyethyl starch |
| CN102605618A (en) * | 2012-03-14 | 2012-07-25 | 宜兴市军达浆料科技有限公司 | Multi-component high-performance sizing agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61124683A (en) * | 1984-11-21 | 1986-06-12 | 伊藤 孝雄 | Sizing for yarn weaving |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143650A (en) * | 1995-08-24 | 1997-02-26 | 西安石油学院 | Process for preparing quaternary type cationic hydroxyethyl starch |
| CN1478794A (en) * | 2003-07-07 | 2004-03-03 | 江南大学 | Four element complex denatured starch sizing material and its preparation method and application |
| CN101775076A (en) * | 2010-02-25 | 2010-07-14 | 成都青山利康药业有限公司 | Method for preparing hydroxyethyl starch |
| CN102605618A (en) * | 2012-03-14 | 2012-07-25 | 宜兴市军达浆料科技有限公司 | Multi-component high-performance sizing agent |
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| Title |
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| JP昭61-124683A 1986.06.12 * |
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