CN103103760B - Aging-resistant hydroxyethyl high-performance modified starch - Google Patents
Aging-resistant hydroxyethyl high-performance modified starch Download PDFInfo
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- CN103103760B CN103103760B CN201210529023.2A CN201210529023A CN103103760B CN 103103760 B CN103103760 B CN 103103760B CN 201210529023 A CN201210529023 A CN 201210529023A CN 103103760 B CN103103760 B CN 103103760B
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Abstract
The invention discloses aging-resistant hydroxyethyl high-performance modified starch. The starch is prepared through the mixing and reaction 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 polycaprolactone 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, 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 textile industry field, be specifically related to a kind of slurry in textile industry yarn sizing technique.
Background technology
In yarn sizing technique in textile industry, because polyvinyl alcohol (PVA) slurry has good film forming, adhesiveness and has the feature of better intermiscibility with other slurries, be 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, and causes environmental pollution.Destruction, pollution problem to environment have caused extensive attention, especially limited in exported product through the fabric of polyvinyl alcohol (PVA) slurry sizing, therefore, warp sizing is used less or without polyvinyl alcohol (PVA) slurry, has been become problem demanding prompt solution.Some non-polyvinyl alcohol cationoid slurries are also disclosed in prior art, but in high-quality and special application field, existing slurry Shortcomings still aspect anti-aging, antifatigue, high film build, this has seriously restricted 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 are provided and do not use the anti-aging ethoxy high-performance sex change starch of PVA.
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 reach by following measures:
A kind of anti-aging ethoxy high-performance sex change starch, this slurry is formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polycaprolactone and persulfate, wherein the mass content of each raw material is cornstarch 82～95%, oxirane 1～12%, sodium phosphate 1～13%, polycaprolactone 1～5%, the 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%, and oxirane 1～5%, sodium phosphate 2～8%, polycaprolactone 1～5%, the 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, and further preferably 62～66 DEG C, most preferably 64 DEG C of left and right.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, adopt microcapsule embedded method to carry out embedding, carry out special treatment, the invention discloses a kind of using method of above-mentioned anti-aging ethoxy high-performance sex change starch: above-mentioned anti-aging ethoxy high-performance sex change 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.Wherein oxirane, sodium phosphate, polycaprolactone, persulfate match and cornstarch generation chemical reaction, it comprises etherificate, is cross-linked, is oxidized recombination reaction etc., as oxirane reacts with cornstarch generation etherificate ethoxy, sodium phosphate, polycaprolactone and cornstarch generation cross-linking reaction, persulfate and cornstarch generation oxidation reaction, etc.
In insulation reaction before use, determine the ratio of anti-aging ethoxy high-performance sex change starch and water according to the applicable solid content of production, the mass ratio of anti-aging ethoxy high-performance sex change 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 sex change starch: raw material cornstarch, oxirane, sodium phosphate, polycaprolactone and persulfate are obtained by hybrid reaction, and wherein the mass content of each raw material is cornstarch 82～95%, oxirane 1～12%, sodium phosphate 1～13%, polycaprolactone 1～5%, persulfate 0.1～11%.Wherein each general or optimum condition is described above
Anti-aging ethoxy high-performance sex change starch of the present invention has that adhesion is strong, good film-forming property, serous coat is tough, have good elasticity, the performance such as wear-resisting.On weaving purified cotton yarns when starching, 80 yarns of kind of general tightness are following can be without polyvinyl alcohol (PVA), and at silk ribbon, on cotton or 80 above purified cotton yarns of yarn, starching also can use no or little polyvinyl alcohol (PVA).It further has following performance:
This anti-aging ethoxy high-performance sex change starch is environmentally friendly, containing polyvinyl alcohol (PVA) etc. can with biodegradable material, it has good ageing resistace, slurry viscosity is stable, all there is stronger adhesion (to detect through slurry adhesion to cotton and terylene, textile adhesion is more than 95.64N, and polyester-cotton blend adhesion is more than 132.89N), slurry fluidity is good, slurries good film-forming property, easily destarch, slurries waste water is easy to process, and easily biological-degradable (adopts
-TEWEGA-SKala standard is carried out biodegradation test, and lower same, result reaches 9 grades), environmental pollution is little, is zero disposal of pollutants in process of production.
Detailed description of the invention
Embodiment 1
By cornstarch 85kg, oxirane 5kg, sodium phosphate 6kg, polycaprolactone 3 ㎏, persulfuric acid calcium 2kg, is respectively charged into retort, at 63 DEG C of temperature, carry out compound hybrid reaction 1.0h after cessation reaction, discharging packaging, warehouse-in.Client in use, then adds the gelatinization of 888kg clear water and is warming up to 95 DEG C or in pressure pan, add clear water and be warming up to 125 DEG C of insulation 30 ~ 50min and carry out etherificate, crosslinked, oxidation recombination reaction and make the emulsion to textile sizing.
9 grades of its biodegradation tests.Detect through slurry adhesion, its textile adhesion is 113N, and polyester-cotton blend adhesion is 146N.The slurry of respectively being prepared by the embodiment 1 in CN102733190A, CN102733191A, CN102605618A 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 of preparing with the embodiment 1 in CN102733190A, CN102733191A, CN102605618A respectively carries out contrast experiment under same condition, and CN102733190A mobility in the time of 18h starts variation gradually; CN102733191A mobility in the time of 16h starts variation gradually; CN102605618A mobility in the time of 12h starts variation gradually.
Embodiment 2
By cornstarch 88kg, oxirane 2kg, sodium phosphate 4 ㎏, polycaprolactone 3 ㎏, potassium hydrogen persulfate 2kg, is respectively charged into retort, at 63 DEG C of temperature, carry out compound hybrid reaction 1.0h after cessation reaction, 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 that clear water is warming up to that 125 DEG C of insulation 30 ~ 50min carry out etherificate, crosslinked, oxidation recombination reaction and the emulsion that makes textile sizing.Detect through slurry adhesion, its textile adhesion is 107N, and polyester-cotton blend adhesion is 138N.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 ㎏, polycaprolactone 2 ㎏, ammonium persulfate 1kg, is respectively charged into retort, at 63 DEG C of temperature, carry out compound hybrid reaction 1.0h after cessation reaction, 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 that clear water is warming up to that 125 DEG C of insulation 30 ~ 50min carry out etherificate, crosslinked, oxidation recombination reaction and the emulsion that makes textile sizing.Detect through slurry adhesion, its textile adhesion is 112N, and polyester-cotton blend adhesion is 146N.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 substituting in existing formula of size of the various embodiments described above gained emulsion slurry, in actual production, fabric is carried out to starching processing, 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 sex change starch | Common starch | Propylene | Wax disk(-sc) | Solid content | |
| New formula | 37.50㎏ | 75 | 20.0㎏ | 2.0㎏ | 13.0％ |
The slashing technique mass ratio of each formula
Test 2:
Kind: JC60 × 60 140 × 140 72 " specification
| 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 sex change starch | Common starch | Propylene | Wax disk(-sc) | Solid content |
| New formula | 62.5㎏ | 62.5㎏ | 5.0㎏ | 2.0㎏ | 12.8％ |
The slashing technique mass ratio of each formula
Claims (7)
1. an anti-aging ethoxy high-performance sex change starch, it is characterized in that being formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polycaprolactone and persulfate, wherein the mass content of each raw material is cornstarch 82～95%, oxirane 1～12%, sodium phosphate 1～13%, polycaprolactone 1～5%, persulfate 0.1～11%; 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 sex change starch according to claim 1, the mass content that it is characterized in that each raw material is cornstarch 82～95%, oxirane 1～5%, sodium phosphate 2～8%, polycaprolactone 1～5%, persulfate 1～5%.
3. anti-aging ethoxy high-performance sex change starch according to claim 1, the hybrid reaction temperature that it is characterized in that described each raw material is 62 DEG C～66 DEG C.
4. anti-aging ethoxy high-performance sex change starch according to claim 1 and 2, is characterized in that described persulfate is selected from one or more in persulfuric acid calcium, potassium hydrogen persulfate, ammonium persulfate.
5. the using method of anti-aging ethoxy high-performance sex change starch described in a claim 1, it is characterized in that anti-aging ethoxy high-performance sex change 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 sex change starch is formed by hybrid reaction by raw material cornstarch, oxirane, sodium phosphate, polycaprolactone and persulfate, wherein the mass content of each raw material is cornstarch 82～95%, oxirane 1～12%, sodium phosphate 1～13%, polycaprolactone 1～5%, persulfate 0.1～11%; 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 sex change starch and water is 10～20:80～90; The time of the insulation reaction before use is 10～60min.
7. the preparation method of an anti-aging ethoxy high-performance sex change starch, it is characterized in that raw material cornstarch, oxirane, sodium phosphate, polycaprolactone and persulfate to obtain by hybrid reaction, wherein the mass content of each raw material is cornstarch 82～95%, oxirane 1～12%, sodium phosphate 1～13%, polycaprolactone 1～5%, persulfate 0.1～11%; 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.
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| CN103103760B true CN103103760B (en) | 2014-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61124683A (en) * | 1984-11-21 | 1986-06-12 | 伊藤 孝雄 | Sizing for yarn weaving |
| CN1143650A (en) * | 1995-08-24 | 1997-02-26 | 西安石油学院 | Process for preparing quaternary type cationic hydroxyethyl starch |
| CN1257188C (en) * | 2003-07-07 | 2006-05-24 | 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 |
| CN102605618B (en) * | 2012-03-14 | 2014-03-12 | 宜兴市军达浆料科技有限公司 | Multi-component high-performance sizing agent |
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