CN103113485A - Method for modifying printing and dyeing paste - Google Patents
Method for modifying printing and dyeing paste Download PDFInfo
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- CN103113485A CN103113485A CN2013100419063A CN201310041906A CN103113485A CN 103113485 A CN103113485 A CN 103113485A CN 2013100419063 A CN2013100419063 A CN 2013100419063A CN 201310041906 A CN201310041906 A CN 201310041906A CN 103113485 A CN103113485 A CN 103113485A
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Abstract
The invention discloses a method for modifying a printing and dyeing paste. The printing and dyeing paste is a natural paste; and the natural paste is irradiated with an electron beam generated by an electron accelerator. The natural paste is guar gum or tamarind seed gum, and the cumulative dose of the irradiation is 5-70kGy. According to the invention, the electron accelerator is utilized to irradiate and degrade the printing and dyeing paste for textile-natural paste, so that the viscosity of the paste is lowered to the viscosity number beneficial to textile printing and dyeing, and the optimal irradiation dose of the viscosity number can be obtained. The invention is simple to operate, and has the advantages of high processing efficiency and low cost.
Description
Technical field
The present invention relates to the modification technology of dyeing and printing auxiliary, relate in particular to the method for modifying of natural paste.
Background technology
In printing in textiles, thickener can be controlled the mobility of mill base, prevents the pigment diffusion.Printing quality such as sharpness, vividness, dyestuff penetration and bleeding etc. depend primarily on the thickener performance.And paste viscosity is too high or too low, all can not reach good printing quality.
At present, the external printing gum that uses is nearly all the fabricated product of water-soluble natural macromolecular compound, mainly contains sodium alginate, carboxymethyl cellulose, carob, Viscogum BE, guar gum, starch and derivative thereof.In these natural pastes, sodium alginate is due to inadequate resource, and the goods price continues to soar, and supply falls short of demand.In this case, countries in the world are had to seek new natural resource and are made great efforts the exploitation synthetic thickener.In recent years, discovery had melon beans (guar) seed with the same chemical composition of carob (galactomannan), was a kind of good natural paste.Due to the mobile character of the pseudo-plasticity of natural paste, must the appropriate stamp viscosity of regulation.8% aqueous guar glue solution is during as dyeing paste, and its viscosity is higher, more than reaching 20000mPas.Only have viscosity drop to about 1800mPas, just can reach the effect of high-grade dyeing paste.
In order to change the physico-chemical property of natural paste, make it more applicablely do high-grade thickener, forefathers to the main method of modifying of natural paste are:
1) the derivative modification of functional group.These class methods are based on a plurality of hydroxyls on the natural paste molecule, etherificate, esterification or oxidizing reaction can occur under certain condition, generates the derivatives such as ether, ester.
2) modification of graft.The method is based under certain condition, and some initiators can make natural paste or vinyl monomer produce free radical, thereby carry out polyreaction, as: the grafting such as vinylformic acid, acrylamide, Methacrylamide, vinyl cyanide.
3) enzyme modification.The method is to utilize enzyme liberating and the character that changes natural paste.
Although above method of modifying can carry out modification to natural paste, complicated operation, the time is long, cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of modifying of dyeing paste.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of method of modifying of dyeing paste, dyeing paste are natural paste, and the electron beam that produces with rumbatron carries out irradiation processing to natural paste.
As preferably, natural paste is guar gum.
As preferably, natural paste is tamarind seed gum.
As preferably, the total dose of irradiation processing is 5-70kGy.
The invention has the beneficial effects as follows:
Adopt rumbatron weaving use dyeing paste---natural paste carries out irradiation-induced degradation, make the viscosity of thickener be degraded to the viscosity number that is conducive to textile printing and dyeing, and acquisition can obtain the best irradiation dose of this viscosity number.The present invention has simple to operate, and working (machining) efficiency is high, lower-cost advantage.
Embodiment
One, experiment
Experiment purpose: at ambient temperature the natural paste sample is carried out divided dose irradiation and carries out qualitative and quantitative analysis, the irradiation dose when obtaining optimum viscosity according to actual needs and the rumbatron maximum irradiation degree of depth to natural paste.
Experimental installation: rumbatron beam energy/10MeV
Laboratory apparatus: balance, water-bath, thermometer, NDJ-1 rotational viscosimeter
Sample:
(1) guar gum, manufacturer's code name are AS-80.
(2) tamarind seed gum, manufacturer's code name are CMT-80.
Experiment 1
Guar gum (AS-80) sample that 2 duplicate samples numberings is respectively 1-1,1-2 is tiled in respectively in two sample cells, and the gauge control of every duplicate samples is in 4.5cm.
Tamarind seed gum (CMT-80) sample that in addition 2 duplicate samples numberings is respectively 1-3,1-4 is tiled in respectively in two sample cells, and the thickness of every duplicate samples is controlled in 4.5cm equally.
Above-mentioned 4 duplicate samples are carried out fractionated irradiation by the tiling mode, and the single radiation dose is 10kGy, and the single irradiation dose that 4 duplicate samples are accepted and total radiation dose are as follows respectively:
1-1: guar gum AS-80 single irradiation dose is 10kGy, and total radiation dose is 20kGy.
1-2: guar gum AS-80 single irradiation dose is 10kGy, and total radiation dose is 30kGy.
1-3: tamarind seed gum CMT-80 single irradiation dose is 10kGy, and total radiation dose is 20kGy.
1-4: tamarind seed gum CMT-80 single irradiation dose is 10kGy, and total radiation dose is 30kGy.
With this 4 duplicate samples respectively by taking out after above-mentioned corresponding dosage irradiation.Sample is as solute after the irradiation, and tap water is solvent, prepares respectively 4 parts of concentration and be 8% solution, stir, and its viscosity of test after swelling 24h.The 4 duplicate samples viscosity numbers of accepting different irradiation doses are as shown in table 1.
Table 1
| Experiment numbers | Total radiation dose (kGy) | Viscosity (mPas) |
| 1-1 | 20 | 3300 |
| 1-2 | 30 | 1100 |
| 1-3 | 20 | 2800 |
| 1-4 | 30 | 1300 |
Experiment 2:
14 parts of guar gums (AS-80) sample is tiled in 14 sample cells, thickness of sample is controlled in 4.5cm, and the numbering of 14 duplicate samples is respectively 2-1,2-2,2-3,2-4,2-5,2-6,2-7,2-8,2-9,2-10,2-11,2-12,2-13,2-14.
14 duplicate samples are carried out fractionated irradiation by the tiling mode, and the single radiation dose is 5kGy, and the irradiation total dose (kGy) that 14 duplicate samples are accepted is respectively: 5,10,15,20,25,30,35,40,45,50,55,60,65,70.14 duplicate samples are respectively by taking out after above-mentioned corresponding dosage irradiation.Sample is as solute after the irradiation, and tap water is solvent, prepares respectively 14 parts of concentration and be 8% solution, stir, and its viscosity of test after swelling 24h.The 14 duplicate samples viscosity numbers of accepting different irradiation doses are as shown in table 2.
Table 2:
| Experiment numbers | Total radiation dose (kGy) | Viscosity (mPas) |
| 2-1 | 5 | 18500 |
| 2-2 | 10 | 9000 |
| 2-3 | 15 | 4500 |
| 2-4 | 20 | 4000 |
| 2-5 | 25 | 1700 |
| 2-6 | 30 | 1472 |
| 2-7 | 35 | 1160 |
| 2-8 | 40 | 925 |
| 2-9 | 45 | 912.5 |
| 2-10 | 50 | 725 |
| 2-11 | 55 | 550 |
| 2-12 | 60 | 525 |
| 2-13 | 65 | 500 |
| 2-14 | 70 | 340 |
Experiment 3
7 parts of guar gums (AS-80) sample is tiled in 7 sample cells, and thickness of sample is controlled in 4.5cm, and the numbering of 7 duplicate samples is respectively 3-1,3-2,3-3,3-4,3-5,3-6,3-7.
7 duplicate samples are carried out fractionated irradiation by the tiling mode, and the single radiation dose is 10kGy, and the irradiation total dose (kGy) that 7 duplicate samples are accepted is respectively: 10,20,30,40,50,60,70.7 duplicate samples are respectively by taking out after above-mentioned corresponding dosage irradiation.Sample is as solute after the irradiation, and tap water is solvent, prepares respectively 7 parts of concentration and be 8% solution, stir, and its viscosity of test after swelling 24h.The 7 duplicate samples viscosity numbers of accepting different irradiation doses are as shown in table 3.
Table 3
| Experiment numbers | Total radiation dose (kGy) | Viscosity (mPas) |
| 3-1 | 10 | 10000 |
| 3-2 | 20 | 3300 |
| 3-3 | 30 | 1100 |
| 3-4 | 40 | 975 |
| 3-5 | 50 | 603 |
| 3-6 | 60 | 550 |
| 3-7 | 70 | 365 |
Experiment 4
Guar gum (AS-80) is packed as 10 parts of packed samples with sealing bag, and the tiling thickness of every bag of sample is 1.5cm, and the numbering of 10 parts of packed samples is respectively 4-1,4-2,4-3,4-4,4-5,4-6,4-7,4-8,4-9,4-10.
With 10 parts of packed samples by number 4-1 stack from the top down in heapsly to the order of 4-10, radiation from the top down makes the irradiation degree of depth that every duplicate samples obtains increase progressively by the thickness of every bag of sample from top to bottom.Stack 10 parts of packed samples in heaps and only shine once, irradiation dose is 10kGy, takes out after irradiation.Sample is as solute after the irradiation, and tap water is solvent, prepares respectively 10 parts of concentration and be 8% solution, stir, and its viscosity of test after swelling 24h.The 10 duplicate samples viscosity numbers of accepting the different irradiation degree of depth are as shown in table 4.
Table 4
| Experiment numbers | The radiation degree of depth (cm) | Viscosity (mPas) |
| 4-1 | 0 | 8750 |
| 4-2 | 1.5 | 7700 |
| 4-3 | 3 | 9750 |
| 4-4 | 4.5 | 19400 |
| 4-5 | 6 | 45500 |
| 4-6 | 7.5 | 56000 |
| 4-7 | 9 | 59300 |
| 4-8 | 10.5 | 64000 |
| 4-9 | 12 | 55300 |
| 4-10 | 13.5 | 54000 |
Two, interpretation
By experiment 1,2,3 as can be known: the viscosity of natural paste reduces gradually along with the increase of irradiation dose, the irradiation total dose is in the 5-25kGy scope time, reduction sharply occurs in the viscosity of thickener, and the irradiation total dose is during greater than 25kGy, and the viscosity of thickener is successively decreased along with the increase of irradiation total dose is to relax.
4 can be got by experiment: 4.5cm with the interior irradiation degree of depth in, the viscosity of sample guar gum (AS-80) changes greatly, irradiation is effective; And the absorption of sample dosage of the radiation degree of depth in 4.5～13.5cm scope is very little, and viscosity is substantially unchanged.
Three, conclusion
Mode by irradiation is carried out modification to natural paste, can effectively reduce its viscosity, and after the certain dosage of irradiation, low-grade dyeing paste can reach the effect of high-grade thickener.
With the corresponding relation of natural paste viscosity number in above-described embodiment and concrete irradiation dose, the reduction of the viscosity number of natural paste changes only relevant with the irradiation total dose, and is irrelevant with umber of exposures.
In actually operating, can be by natural paste sample used be carried out the processing of different total radiation doses, thus find the total radiation dosage that makes the natural paste that uses reach the optimum viscosity value.
Above-described embodiment of the present invention does not consist of the restriction to protection domain of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.
Claims (4)
1. the method for modifying of a dyeing paste, described dyeing paste is natural paste, it is characterized in that, the electron beam that produces with rumbatron carries out irradiation processing to natural paste.
2. the method for modifying of dyeing paste according to claim 1, is characterized in that, described natural paste is guar gum.
3. the method for modifying of dyeing paste according to claim 1, is characterized in that, described natural paste is tamarind seed gum.
4. the method for modifying of dyeing paste according to claim 1, is characterized in that, the total dose of described irradiation processing is 5-70kGy.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695246A (en) * | 2015-03-04 | 2015-06-10 | 上海兆妩服饰科技有限公司 | Printing color paste and printing silk twill production technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748201A (en) * | 1971-10-08 | 1973-07-24 | Gen Mills Chem Inc | Thickening compositions containing xanthomonas gum and hydroxyalkyl ether of guar gum |
| CN1671749A (en) * | 2002-06-25 | 2005-09-21 | 罗狄亚公司 | Molecular weight reduction of polysaccharides by electron beams |
| 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 |
| CN101974131A (en) * | 2002-06-25 | 2011-02-16 | 罗狄亚公司 | Grafting polymerization of guar and other polysaccharides by electron beams |
| CN102720073A (en) * | 2012-07-02 | 2012-10-10 | 无锡金鑫科技有限公司 | Preparation method of high-substituted-ratio carboxyl methyl guar printing gum |
-
2013
- 2013-02-01 CN CN2013100419063A patent/CN103113485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748201A (en) * | 1971-10-08 | 1973-07-24 | Gen Mills Chem Inc | Thickening compositions containing xanthomonas gum and hydroxyalkyl ether of guar gum |
| CN1671749A (en) * | 2002-06-25 | 2005-09-21 | 罗狄亚公司 | Molecular weight reduction of polysaccharides by electron beams |
| CN101974131A (en) * | 2002-06-25 | 2011-02-16 | 罗狄亚公司 | Grafting polymerization of guar and other polysaccharides by electron beams |
| 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 |
| CN102720073A (en) * | 2012-07-02 | 2012-10-10 | 无锡金鑫科技有限公司 | Preparation method of high-substituted-ratio carboxyl methyl guar printing gum |
Non-Patent Citations (2)
| Title |
|---|
| 何曼君等: "《高分子物理（修订版）》", 31 October 1990, article ""高分子物理"", pages: 174-175 - 280-286 * |
| 叶金兴等: ""瓜尔豆胶制备印花糊料的研究"", 《丝绸》, no. 6, 30 June 1986 (1986-06-30), pages 41 - 45 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695246A (en) * | 2015-03-04 | 2015-06-10 | 上海兆妩服饰科技有限公司 | Printing color paste and printing silk twill production technology |
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Application publication date: 20130522 |