Summary of the invention
The object of the present invention is to provide the preparation method of the cotton thermal fabric of a kind of coloured silk, the basis not affecting warming rate is improved the wearability of thermal fabric gas permeability and product.
In order to achieve the above object, the technical solution used in the present invention is:
A preparation method for the cotton thermal fabric of coloured silk, comprises the steps:
Pretreatment is carried out to color cotton grey cloth, removes the part pectin and the wax that cover color cotton grey cloth fiber surface;
Carrying out ferment treatment to carrying out pretreated color cotton grey cloth, removing the pectin and the wax that cover color cotton grey cloth fiber surface further;
Using the color cotton grey cloth after process as the nexine of the cotton thermal fabric of coloured silk and top layer, at nexine and top layer central filler silk cotton, be made into color cotton thermal fabric.
Further, described pretreatment is carried out to color cotton grey cloth, comprise the steps:
Color cotton grey cloth is first used the hot water wash 60 ~ 90 minutes of 80 ~ 100 DEG C, and then with cold wash, finally the color cotton grey cloth washed is dried.
Further, describedly carrying out ferment treatment to carrying out pretreated color cotton grey cloth, comprising the steps:
By the dispersant of the pectase of 1-5%o.w.f, the chelating agent of 1-3%o.w.f and 1-5%o.w.f, and add water, make treatment fluid, make process bath raio be 1:10-30;
The pH value adjusting described treatment fluid is 6.0-9.0;
Color cotton grey cloth is put into described treatment fluid, under the condition of 50-60 DEG C, processes 30-60 minute;
Clean with the color cotton grey cloth hot water after treatment fluid process, and then with cold water cleaning, finally dry.
Further, described silk cotton is made up of the silk of 70% and the cotton of 30%.
Compared with prior art, the beneficial effect that the technical solution used in the present invention produces is as follows:
Preparation method provided by the invention, owing to using the color cotton top layer as thermal fabric and nexine, compared with the white cotton of use, decreases manufacturing procedure, reduces energy resource consumption, thus reduce production cost; And the present invention processes the coloured silk cotton as top layer and nexine, make thermal fabric on the basis not affecting warming rate, improve the wearability of air penetrability and product.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solution of the present invention is described in detail.
Natural color-cotton is color cotton is a kind of cotton with natural colour, without the need to dyeing in textile processing, thus decrease manufacturing procedure, correspondingly decrease the discharge of sewage and the process to sewage, avoid and add man-hour to the pollution of water resource and prohibitive dye, the harm of poisonous auxiliary agent to human body and the destruction to environment, reduce energy resource consumption, thus reduce production cost.The content of color cotton heavy metal element is all lower than environmental protection index in addition, and the content of part heavy metal, even lower than white cotton, illustrates that color cotton meets environmental requirement completely.Its textile can be rated as " favorite of 21 century ", is described as " the healthy skin of the mankind second ", is one of the most potential product on 21 century international Green Textiles market.The whole life cycle of color cotton textile all requires to meet " cleaner production " standard, biotechnology must be adopted to solve the problem such as removal of impurities, softness of color cotton, do not affect the gas permeability warming rate basis improving it, improving the wearability of product, improve color cotton insulation garment class further.
As shown in Figure 1, the embodiment of the present invention provides the preparation method of the cotton thermal fabric of a kind of coloured silk, comprises the steps:
Step 110: carry out pretreatment to color cotton grey cloth, removes the part pectin and the wax that cover color cotton grey cloth fiber surface;
Particularly, color cotton grey cloth is first used the hot water wash 60 ~ 90 minutes of 80 ~ 100 DEG C, and then with cold wash, finally the color cotton grey cloth washed is dried.
Color cotton and white cotton the same, also containing a large amount of pectin, wax, nitrogen substance etc., their existence has a strong impact on the absorbent ventilate of fabric, and other impurity are glued together as adhesive by pectic substance, cover fiber surface discontinuously, have a strong impact on the gas permeability of fabric.Pretreating process is exactly that removal unit divides pectin and wax.Wax melt temperature is at 80-100 DEG C, and hot water prewashing can remove part wax, destroys the continuity of wax covered fiber.
Step 120: carry out ferment treatment to carrying out pretreated color cotton grey cloth, removes the pectin and the wax that cover color cotton grey cloth fiber surface further;
Particularly, describedly carrying out ferment treatment to carrying out pretreated color cotton grey cloth, comprising the steps:
Step 1201: by the dispersant of the pectase of 1-5%o.w.f, the chelating agent of 1-3%o.w.f and 1-5%o.w.f, and add water, make treatment fluid, makes process bath raio be 1:10-30;
Step 1202: the pH value adjusting described treatment fluid is 6.0-9.0;
Step 1203: color cotton grey cloth is put into described treatment fluid, processes 30-60 minute under the condition of 50-60 DEG C;
Step 1204: clean with the color cotton grey cloth hot water after treatment fluid process, and then with cold water cleaning, finally dry.
Color cotton grey cloth, after pretreating process, destroys the continuity of wax covered fiber, impels the rapid combining pectin matter of pectase.When after the adhesive force that pectase is removed between other impurity components, chelating agent makes wax depart from fiber matrix, by dispersant emulsion dispersion in treatment fluid.The removal of pectin wax impels the connection between cellulose to relax, and fiber surface forms micropore and crack, and gas permeability is improved.
Step 130: using the color cotton grey cloth after process as the nexine of the cotton thermal fabric of coloured silk and top layer, at nexine and top layer central filler silk cotton, be made into color cotton thermal fabric.
Particularly, described silk cotton is made up of the silk of 70% and the cotton of 30%.
Introducing the present invention below adopts natural color-cotton to be table nexine, the thermal fabric warmth retention property that silk cotton (70% silk 30% is cotton) is middle flocculus and air penetrability relation, the thermal fabric made by the color cotton grey cloth after undressed color cotton grey cloth and process contrasts, and investigates ventilative and warming relation.The thermal fabric made by undressed color cotton grey cloth is as A sample, and the thermal fabric made by the color cotton grey cloth through process of the present invention is as B sample.
1, thermal property test
Within 1800 seconds, carry out the test of insulation rate to the preheating of A, B sample, test result is in table 1.
2, permeability test
Air penetrability test is carried out to A, B sample, Area of Sample 20cm
2, sample two sides pressure drop setting 100Pa, test result is in table 1.
3, thickness measuring
Thickness measuring is carried out to A, B sample, setting pressure foot diameter 50.46mm, Foot area 2000mm
2, ballast counterweight 200cN, ballast time 10s, test result is in table 1.
Table 1 liang group sample testing data
Sample name |
Air penetrability mm/s |
Warming rate % |
Thickness mm |
Grammes per square metre g/m
2 |
A1 |
517.44 |
69.5 |
2.07 |
120 |
A2 |
462.35 |
73.2 |
2.51 |
140 |
A3 |
418.74 |
74.8 |
2.94 |
160 |
A4 |
394.17 |
76.4 |
3.23 |
200 |
B1 |
556.82 |
69.1 |
2.07 |
120 |
B2 |
504.33 |
73.8 |
2.51 |
140 |
B3 |
464.65 |
75.2 |
2.94 |
160 |
B4 |
424.62 |
75.8 |
3.23 |
200 |
See from table 1, under the condition that grammes per square metre is identical, thermal fabric (A sample) air penetrability that thermal fabric (B sample) air penetrability made of treated color cotton grey cloth is made than the color cotton grey cloth after untreated is high a lot, from inquiry data, breathe freely and preferably control between 300 ~ 600mm/s, too low airtight, Tai Gao not wind resistance again.As shown in Figure 2, for the thermal fabric of identical grammes per square metre flocculus, the gas permeability before and after color cotton grey cloth process is compared, and air penetrability has remarkable lifting; Such as, A1 sample air penetrability is 517.44mm/s, B1 sample air penetrability is 556.82mm/s, and air penetrability promotes 7.6%.
As shown in Figure 3, for the thermal fabric of identical grammes per square metre flocculus, warming rate before and after color cotton grey cloth process is compared, warming rate change is little, only floats less than 1%, such as, B1 sample is compared with the warming rate of A1 sample, only reduce by 0.5%, this just can be considered as preparation method of the present invention on insulation rate without too large impact, this is because warmth retention property depends primarily on middle flocculus.According to convention, gas permeability and warming rate are inversely, pectin and the wax of fabric are removed, but the pectin of flocculus and wax still exist, pectin wax in flocculus is just as thin film, air-flow is by running into middle pectin wax film during fabric, wherein a part of air-flow outwardly can be dispersed from membrane pores, and some can block by tunicle, because the pectin wax in fabric is removed, gas permeability rises, air in air flow energy and film is mixed to form thermal cycle, even if because the lifting of fabric gas permeability can reduce warming rate, the thermal cycle that fabric after can processing brings can promote warming rate again on the contrary, shifting, warming rate also can maintain same level.
The present invention compared with prior art, at least has the following advantages:
1, the present invention adopts natural color-cotton as the top layer of thermal fabric and nexine, compared with the white cotton of use, decreases manufacturing procedure, reduces energy resource consumption, thus reduce production cost;
2, the present invention processes the coloured silk cotton as top layer and nexine, makes thermal fabric on the basis not affecting warming rate, improves the wearability of air penetrability and product.
3, flocculus of the present invention adopts silk cotton (70% silk+30% is cotton), the advantage of silk is as follows: (1) silk is the lightest the thinnest the most soft natural fiber of occurring in nature, can easily restore to the original state after cancelling external force, the inner tube of a tyre is molding not, not stuffy, not purse up, evenly soft, can forever exempt to turn over use; (2) peculiar ventilative, the water vapour permeability of silk itself; (3) silk forms primarily of animal protein, be rich in 18 kinds of necessary amino acid of human body, Skin Cell vigor can be promoted, anti-vascular sclerosis, Long-Time Service can anti-skin senescence, has special antipruritic effect, to arthritis to some skin disease, scapulohumeral periarthritis, asthma has certain health-care effect.
The above is most preferred embodiment of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.