CN105150708A - Method for preparing different fiber morphologies by using nanoimprint lithography - Google Patents
Method for preparing different fiber morphologies by using nanoimprint lithography Download PDFInfo
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- CN105150708A CN105150708A CN201510589769.6A CN201510589769A CN105150708A CN 105150708 A CN105150708 A CN 105150708A CN 201510589769 A CN201510589769 A CN 201510589769A CN 105150708 A CN105150708 A CN 105150708A
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Abstract
The invention discloses a method for preparing different fiber morphologies by using nanoimprint lithography, and the method comprises the following steps: S1, providing a nanoimprint machine, a nanoimprint template and a to-be-imprinted fiber material; and S2, by using the nanoimprint template, imprinting the pattern of the template on the surface of the fiber material through the nanoimprint lithography. According to the method disclosed by the invention, firstly, by using different nanoimprint templates, different fiber morphologies can be obtained through the nanoimprint lithography; secondly, on a same fiber, in case that a same template can be selected, a fiber with a homogeneous uniform morphology can be obtained; moreover, the surface structure of a fiber is determined based on the pattern on the nanoimprint template, so that any special shapes, which so long as can form nanoimprint templates, can be imprinted on the surfaces of fibers; moreover, the method disclosed by the invention is wide in application scope, and imprinted materials can be cotton, hemp, silk, wool, synthetic fiber and synthetic fiber as well as yarns, threads and fabrics and the like formed thereby. The method disclosed by the invention is easy to operate, and short in technological process.
Description
Technical field
The present invention relates to fiber preparation field, particularly relate to a kind of method utilizing nano impression to prepare different fiber morphology.
Background technology
Along with the development of society, novel stamping technique continues to bring out, and wherein, nanometer embossing breaches the difficult problem in conventional size reduction process, becomes the new and high technology solving development bottleneck, especially has a wide range of applications in semiconductor industry.At present, more ripe nanometer embossing mainly contains hot press printing technology, UV-cured stamping technique, soft impression, laser assisted direct imprint technology; The impression block pattern that nano impression adopts from a few nanometer to hundreds of nanometer, can have great alternative spatial.
At field of textiles, the many shapes by spinneret cap on spinneret of different-shape of fiber determine, thus cause pattern on single fiber single, and different-shape mostly occurs on cross section; The structure of fiber surface, as porous, concavo-convex, scale structure, how having notable difference to be formed by high polymer solidification, solvent evaporation rate in spinning process, structure randomness is very big, is difficult to control.And nano impression be a kind of change fiber surface structure simply, method efficiently.
Therefore, for above-mentioned technical problem, be necessary to provide a kind of method utilizing nano impression to prepare different fiber morphology, to overcome above-mentioned defect.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method utilizing nano impression to prepare different fiber morphology, fiber morphology be single in order to solve, the unmanageable problem of surface texture.
For achieving the above object, the invention provides following technical scheme:
Utilize nano impression to prepare a method for different fiber morphology, it comprises step:
S1: fibrous material nano marking press, nano-imprint stamp being provided and will impressing;
S2: utilize nano-imprint stamp, impresses out the pattern of template at fibrous material surface by nanometer embossing.
Preferably, prepare in the method for different fiber morphology at the above-mentioned nano impression that utilizes, in described step S1, on nano-imprint stamp, the live width scope of pattern is that 1 nanometer is to 100 nanometers.
Preferably, prepare in the method for different fiber morphology at the above-mentioned nano impression that utilizes, in described step S1, described nano-imprint stamp pattern is made up of one or more in cuboid, circle, cylinder, taper, irregular shape.
Preferably, prepare in the method for different fiber morphology at the above-mentioned nano impression that utilizes, in described step S1, described fibrous material to be imprinted comprises the yarn of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof, line and knitting, woven and non-woven fabric.
Preferably, prepare in the method for different fiber morphology at the above-mentioned nano impression that utilizes, in described step S1, the individual fiber diameter scope of described fibrous material to be imprinted be 50 nanometers to 200 nanometers, yarn, line and knitting, woven and non-woven fabric form by nanoscale single fiber.
Preferably, prepare in the method for different fiber morphology at the above-mentioned nano impression that utilizes, in described step S2, the nanometer embossing of described employing comprises hot press printing technology, UV-cured stamping technique, soft impression, laser assisted direct imprint technology.
As can be seen from technique scheme, first the present invention utilizes different nano-imprint stamps, can obtain different fiber morphology by nanometer embossing; Secondly, on same fiber, same template can be selected, then can obtain the fiber with same non-uniform topographical; Moreover fiber surface structure is determined by the pattern on nano-imprint stamp, as long as therefore any special shape can form nano-imprint stamp and all can be stamped in fiber surface; Moreover the present invention has wide range of applications, impression materials can be yarn, the line and fabric etc. of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof.The present invention is easy to operate, technological process is short.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing for the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram before and after the present invention utilizes nano impression to prepare in the method for different fiber morphology to impress;
Fig. 2 is that the present invention utilizes nano impression to prepare the schematic diagram of fabric and nano-imprint stamp in the method for different fiber morphology.
Wherein: single fiber 3 after single fiber 1, nano-imprint stamp 2, impression before impression; Fabric 4, nano-imprint stamp 5.
Detailed description of the invention
The invention discloses a kind of method utilizing nano impression to prepare different fiber morphology, fiber morphology be single in order to solve, the unmanageable problem of surface texture.
This utilizes nano impression to prepare the method for different fiber morphology, and it comprises step:
S1: fibrous material nano marking press, nano-imprint stamp being provided and will impressing;
S2: utilize nano-imprint stamp, impresses out the pattern of template at fibrous material surface by nanometer embossing.
In described step S1, on nano-imprint stamp, the live width scope of pattern is that 1 nanometer is to 100 nanometers.
In described step S1, described nano-imprint stamp pattern by regular shapes such as cuboid, circle, cylinder and tapers and irregularly shapedly can to form.Fiber surface structure is determined by the pattern on nano-imprint stamp, as long as therefore any special shape can form nano-imprint stamp and all can be stamped in fiber surface.
In described step S1, described fibrous material to be imprinted comprises the yarn of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof, line and knitting, woven and non-woven fabric.
In described step S1, the individual fiber diameter scope of described fibrous material to be imprinted be 50 nanometers to 200 nanometers, yarn, line and knitting, woven and non-woven fabric form by nanoscale single fiber.On same fiber, same template can be selected, then can obtain the fiber with same non-uniform topographical.
In described step S2, the nanometer embossing of described employing comprises hot press printing technology, UV-cured stamping technique, soft impression, laser assisted direct imprint technology.
Fibrous material the same area adopts nano-imprint method impression single image or multiple image; Fibrous material zones of different can adopt stamped method to impress image of the same race or different images.
Nano-imprint stamp can be dull and stereotyped or any pattern.
As can be seen from technique scheme, first the present invention utilizes different nano-imprint stamps, can obtain different fiber morphology by nanometer embossing; Secondly, on same fiber, same template can be selected, then can obtain the fiber with same non-uniform topographical; Moreover fiber surface structure is determined by the pattern on nano-imprint stamp, as long as therefore any special shape can form nano-imprint stamp and all can be stamped in fiber surface; Moreover the present invention has wide range of applications, impression materials can be yarn, the line and fabric etc. of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof.The present invention is easy to operate, technological process is short.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment 1:
As shown in Figure 1, a kind of device utilizing nano impression to prepare different fiber morphology, it comprises the front single fiber 1 of impression, nano-imprint stamp 2, the rear single fiber 3 of impression.Single fiber 1 can be the nylon fiber that diameter is 200nm; It is that the cylinder of 10nm combines that nano-imprint stamp 2 can be live width.The live width diameter of nano-imprint stamp 2 be generally single fiber 1 diameter to be imprinted 1/1 to two/50th between.Concrete operations are as follows: single fiber 1 is placed in nano marking press, adopt nano-imprint stamp 2, utilize hot press printing technology, can obtain the single fiber 3 retaining nano-imprint stamp structure after impression.
Embodiment 2:
As shown in Figure 2, a kind of device utilizing nano impression to prepare different fiber morphology, it comprises fabric 4, nano-imprint stamp 5.The fibrous material of impression is fabric 4, and fabric 4 is the fibrous non-weaving cloth of 200nm by diameter, and the cuboid that nano-imprint stamp 5 is 50nm by live width combines.Concrete operations are with embodiment 1.
First the method that the present invention utilizes nano impression to prepare different fiber morphology utilizes different nano-imprint stamps, can obtain different fiber morphology by nanometer embossing; Secondly, on same fiber, same template can be selected, then can obtain the fiber with same non-uniform topographical; Moreover fiber surface structure is determined by the pattern on nano-imprint stamp, as long as therefore any special shape can form nano-imprint stamp and all can be stamped in fiber surface; Moreover the present invention has wide range of applications, impression materials can be yarn, the line and fabric etc. of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof.The present invention is easy to operate, technological process is short.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. utilize nano impression to prepare a method for different fiber morphology, it is characterized in that: comprise step:
S1: fibrous material nano marking press, nano-imprint stamp being provided and will impressing;
S2: utilize nano-imprint stamp, impresses out the pattern of template at fibrous material surface by nanometer embossing.
2. the method utilizing nano impression to prepare different fiber morphology according to claim 1, is characterized in that: in described step S1, and on nano-imprint stamp, the live width scope of pattern is that 1 nanometer is to 100 nanometers.
3. the method utilizing nano impression to prepare different fiber morphology according to claim 1, is characterized in that: in described step S1, and described nano-imprint stamp pattern is made up of one or more in cuboid, circle, cylinder, taper, irregular shape.
4. the method utilizing nano impression to prepare different fiber morphology according to claim 1, it is characterized in that: in described step S1, described fibrous material to be imprinted comprises the yarn of cotton, fiber crops, silk, hair, staple fibre and synthetic fibers and composition thereof, line and knitting, woven and non-woven fabric.
5. the method utilizing nano impression to prepare different fiber morphology according to claim 1, it is characterized in that: in described step S1, the individual fiber diameter scope of described fibrous material to be imprinted be 50 nanometers to 200 nanometers, yarn, line and knitting, woven and non-woven fabric form by nanoscale single fiber.
6. the method utilizing nano impression to prepare different fiber morphology according to claim 1, it is characterized in that: in described step S2, the nanometer embossing of described employing comprises hot press printing technology, UV-cured stamping technique, soft impression, laser assisted direct imprint technology.
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| CN201510589769.6A CN105150708A (en) | 2015-09-16 | 2015-09-16 | Method for preparing different fiber morphologies by using nanoimprint lithography |
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Cited By (1)
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| CN116020582A (en) * | 2022-12-15 | 2023-04-28 | 西交利物浦大学 | Nanocellulose-based microfluidic analysis platform and preparation method and application thereof |
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Application publication date: 20151216 |