阅读说明：本技术 一种弹性可发光线及其制备方法 (Elastic luminous wire and preparation method thereof ) 是由 王世澎 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种弹性可发光线及其制备方法,涉及发光材料技术领域,其技术方案要点是：包括弹性基体以及设于弹性基体上的发光层,所述发光层原料按重量份包括以下组分,热塑性聚氨酯弹性体树脂100-110份、流平剂4-8份、色料2-4份、材质粉3-6份以及交联剂1-3份,所述材质粉设为具有反光或吸光后在黑暗处发光的亮光粉。本发明能够增加发光线的弹力,方便缝纫编织使用,具有提高其使用稳定性的效果。(The invention discloses an elastic luminous wire and a preparation method thereof, relating to the technical field of luminous materials, and the key points of the technical scheme are as follows: the material comprises, by weight, 110 parts of thermoplastic polyurethane elastomer resin, 4-8 parts of a leveling agent, 2-4 parts of a pigment, 3-6 parts of material powder and 1-3 parts of a cross-linking agent, wherein the material powder is bright powder which can reflect light or absorb light and then emit light in a dark place. The invention can increase the elasticity of the luminous thread, is convenient for sewing and weaving, and has the effect of improving the use stability.)

1. An elastic luminous line is characterized by comprising an elastic matrix and a luminous layer arranged on the elastic matrix, wherein the raw materials of the luminous layer comprise, by weight, 110 parts of thermoplastic polyurethane elastomer resin, 4-8 parts of a leveling agent, 2-4 parts of a pigment, 3-6 parts of material powder and 1-3 parts of a cross-linking agent, and the material powder is bright powder which can reflect light or absorb light and then emit light in a dark place.

2. The flexible luminous wire as claimed in claim 1, wherein the luminescent layer further comprises a toughening agent and a fixing agent, wherein the toughening agent is present in an amount of 1 to 2 parts by weight, and the fixing agent is present in an amount of 0.5 to 1.5 parts by weight.

3. The flexible luminous wire as claimed in claim 1, wherein the material powder is a reflective powder, and reflective micro-beads are uniformly distributed on the flexible substrate.

4. The flexible luminous wire as claimed in claim 1, wherein the material powder is a luminous powder.

5. The flexible luminous wire as claimed in claim 1, wherein the two ends of the luminous wire are arranged with the inclined surface and the wedge surface corresponding to each other, and when the luminous wire is to be spliced, the inclined surface is butted with the wedge surface of another luminous wire and is bonded by an adhesive.

6. A method of making an elastic illuminable wire of any one of claims 1 to 5, comprising the steps of:

s1, preparing a luminescent layer raw material: putting thermoplastic polyurethane elastomer resin, pigment, material powder, toughening agent, flatting agent, color fixing agent, crosslinking agent, defoaming agent and stripping aid into a vacuum stirring tank and stirring for a certain time;

s2, preparing an elastic matrix: selecting a release film or an elastic microbead film with glass microbead particles, wherein the glass microbead particles in the microbead film are uniformly distributed at equal intervals, and the surface of the release film or the elastic microbead film is leveled by a leveling roller;

s3, coating the elastic luminous film: uniformly coating the prepared luminescent layer raw material on an elastic matrix, and drying;

s4, cutting to form a luminous strip: equally cutting the coated luminescent film into luminescent strips;

s5, preparing the luminous yarn: and cutting the luminous strip into silk threads by a yarn cutting device through a cutter, and winding the silk threads.

7. The method of claim 6, wherein the stirring speed of the vacuum stirring tank in step S1 is 800r/min, and the stirring time is 30min-35 min.

8. The method of claim 6, wherein during the steps of S3 and S4, a slip agent is added to the surface of the luminescent film before cutting, and the luminescent film is cooled by physical cooling and kept at a constant temperature until cut and formed.

9. The method of claim 8, wherein the luminescent film is cooled to 0 ℃ while being physically cooled.

10. The method of claim 6, wherein in step S3, the luminous distribution is determined by bright light irradiation after the luminous film is formed, the luminous film is marked in the dark, and the luminous film is cut along the dark during cutting, and in step S4, the width of the luminous strip is 7cm, and the luminous yarn of step S5 is cut into 0.1mm, 0.2mm and 0.3mm threads by a cutter.

Technical Field

The invention relates to the technical field of luminescent materials, in particular to an elastic luminescent wire and a preparation method thereof.

Background

Currently, people pay more attention to traffic safety. The reflective cloth has wide application in traffic police, sanitation workers, student clothing, riding, shoes, hats, clothes and the like due to the special retroreflective performance. In addition, some clothes can adopt noctilucent cloth, and the eye-catching degree when wearing the clothes at night is improved by utilizing the characteristic that the noctilucent cloth absorbs light at a bright place and emits light at a dark place, and in order to facilitate weaving, the reflective threads are designed and produced in the prior art.

Chinese patent with application publication No. CN104532432A and publication No. 2015.04.22 discloses a water-soluble light-reflecting thread, which is composed of a yarn core and at least one wrapping yarn, wherein the wrapping yarn is spirally wound on the outer surface of the yarn core, the yarn core is a light-reflecting filament, and the wrapping yarn is water-soluble yarn.

By adopting the water-soluble yarns to match with the reflective yarns, the sewability of the reflective yarns is enhanced, and the yarns cannot be broken in the using process. However, after washing, the water-soluble yarn is dissolved and disappears, the reflective yarn has no elasticity, the reflective yarn is easy to break when clothes are pulled in the using process, the stability is poor, and untwisting is easy to occur.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an elastic luminous wire which can increase the elasticity of the luminous wire, is convenient to sew and weave and has the effect of improving the use stability.

In order to achieve the purpose, the invention provides the following technical scheme:

an elastic luminous line comprises an elastic matrix and a luminous layer arranged on the elastic matrix, wherein the raw materials of the luminous layer comprise, by weight, 110 parts of thermoplastic polyurethane elastomer resin, 4-8 parts of a leveling agent, 2-4 parts of a pigment, 3-6 parts of material powder and 1-3 parts of a cross-linking agent, wherein the material powder is bright powder which can emit light in a dark place after reflecting or absorbing light.

Further setting: the luminescent layer further comprises a toughening agent and a color fixing agent, wherein the toughening agent is 1-2 parts by weight, and the color fixing agent is 0.5-1.5 parts by weight.

Further setting: the material powder is set as reflective powder, and reflective micro-bead particles are uniformly distributed on the elastic matrix.

Further setting: the material powder is luminous powder.

Further setting: the both ends of luminescent line set up to inclined plane and the wedge-shaped surface that corresponds each other, when the luminescent line needs the concatenation, the inclined plane docks with the wedge-shaped surface of another luminescent line to through the adhesive bonding.

Compared with the prior art, the invention has the following advantages by adopting the technical scheme:

1. the elastic matrix and the thermoplastic polyurethane elastomer resin are matched, so that the elasticity of the luminous thread can be increased, the luminous thread is convenient to sew and weave, and the effect of improving the use stability of the luminous thread is achieved;

2. by adopting 100-110 parts by weight of thermoplastic polyurethane elastomer resin to match with the material powder and the cross-linking agent, the elastic luminescent material film can be conveniently formed, is hydrolysis-resistant after forming, is convenient for forming the reflective line, improves the elasticity of the luminescent line and has the effect of improving the use stability;

3. the toughness and the wear resistance of the luminescent line can be improved through the arranged toughening agent and the color fixing agent, so that the color fading of the luminescent line after washing is avoided, and the use stability of the luminescent line is improved;

4. through the cooperation of wedge face and inclined plane, two luminescent lines of being convenient for splice need not to tie a knot for splice department surfacing, conveniently sew and weave the use.

Another object of the present invention is to provide a method for preparing an elastic luminous wire, comprising the steps of: s1, preparing a luminescent layer raw material: putting thermoplastic polyurethane elastomer resin, pigment, material powder, toughening agent, flatting agent, color fixing agent, crosslinking agent, defoaming agent and stripping aid into a vacuum stirring tank and stirring for a certain time;

s2, preparing an elastic matrix: selecting a release film or an elastic microbead film with glass microbead particles, wherein the glass microbead particles in the microbead film are uniformly distributed at equal intervals, and the surface of the release film or the elastic microbead film is leveled by a leveling roller;

s3, coating the elastic luminous film: uniformly coating the prepared luminescent layer raw material on an elastic matrix, and drying;

s4, cutting to form a luminous strip: equally cutting the coated luminescent film into luminescent strips;

s5, preparing the luminous yarn: and cutting the luminous strip into silk threads by a yarn cutting device through a cutter, and winding the silk threads.

Further setting: the stirring speed of the vacuum stirring tank in the step S1 is 800r/min, and the stirring time is 30-35 min.

Further setting: and in the cutting process of the steps S3 and S4, a slip agent is added on the surface of the luminescent film before cutting, and the luminescent film is physically cooled and is subjected to constant temperature until being cut and formed.

Further setting: and when the luminescent film is physically cooled, cooling the luminescent film to 0 ℃.

Further setting: in the step S3, the luminous distribution is determined by bright light irradiation after the luminous film is manufactured, the dark light position is marked, and the cutting is performed along the dark light position during cutting, and in the step S4 cutting process, the width of the luminous strip is 7cm, and the luminous yarn in the step S5 is cut into 0.1mm, 0.2mm and 0.3mm silk threads by a cutter.

Compared with the prior art, the invention has the following advantages by adopting the technical scheme:

1. the yarn is formed by coating the luminous film firstly and then cutting the luminous film step by step, so that the elastic luminous wire can be conveniently manufactured, the elasticity of the formed luminous wire can be increased, the sewing and weaving are convenient, and the using stability of the yarn is improved;

2. the surface of the luminescent film can be hardened by physically cooling the luminescent film, so that the luminescent film is convenient to cut and form, and meanwhile, the smoothness of the cutting knife during cutting can be improved by adopting the cooperation of the slip agent, the occurrence of wire breakage is reduced, and the cutting efficiency and the qualification rate of the luminescent wire cutting and forming are improved;

3. through cutting along the dark light of mounting bracket department, can avoid cutting the material powder as far as possible, improve the light intensity of the luminous line after the shaping.

Drawings

FIG. 1 is a schematic structural view of two light-emitting wires when the ends of the two light-emitting wires are spliced;

fig. 2 is a graph showing the test results of examples one to four, comparative example 1 to comparative example 2.

In the figure: curve 1 is the test result of example one, curve 2 is the test result of example two, curve 3 is the test result of example three, curve 4 is the test result of example four, curve 5 is the test result of comparative example 1, and curve 6 is the test result of comparative example 2.

Detailed Description

The elastic luminous wire is further described with reference to fig. 1 to 2.

Example 1: an elastic luminous wire comprises an elastic matrix and a luminous layer arranged on the elastic matrix, wherein the elastic matrix is arranged by an elastic release film, the raw material components of the luminous layer are shown in table 1, and the material powder is noctilucent powder.

As shown in figure 1, the inclined planes and the wedge-shaped surfaces which correspond to each other are arranged at the two ends of the luminous line, when the luminous line needs to be spliced, the inclined planes are in butt joint with the wedge-shaped surfaces of the other luminous line and are bonded through an adhesive, so that when the two sections of luminous lines are spliced, a knotting mode is not needed, the surface of the luminous line after splicing can be smooth, and the luminous line is convenient to sew and weave for use.

The preparation method of the elastic luminous wire comprises the following steps of S1: putting thermoplastic polyurethane elastomer resin, pigment, material powder, toughening agent, flatting agent, color fixing agent, cross-linking agent, defoaming agent and stripping aid into a vacuum stirring tank, and stirring at the speed of 800r/min for 30-35 min; wherein the defoaming agent and the stripping aid are respectively 2 parts and 5 parts by weight;

s2, preparing an elastic matrix: selecting an elastic release film with the thickness of 0.02-0.05mm, and flattening the surface of the film by a flattening roller, so that the surface of the film is ensured to be flat, and the stable slitting is convenient;

s3, coating the elastic luminous film: uniformly coating the prepared luminescent layer raw material on the upper surface and the lower surface of a film of an elastic matrix by using a comma scraper, wherein the coating thickness is 0.05-0.28mm, and drying the coated film through a drying channel to form an elastic luminescent film;

s4, cutting to form a luminous strip: equally cutting the coated luminescent film into luminescent strips, wherein the width of each luminescent strip is 7 centimeters, so that the luminescent strips can be conveniently further cut into luminescent yarns;

s5, preparing the luminous yarn: the luminous strip is cut into silk threads with the diameters of 0.1mm, 0.2mm and 0.3mm by the yarn slitting device through the cutter, and the silk threads are wound into rollers to form the silk threads with various specifications for use.

Further, in step S3, the luminous film is manufactured and then the luminous distribution is determined by the luminous state of the surface of the luminous film after being irradiated by the bright light, the bright light and the dark light are distinguished, the dark light is marked, and the luminous film is cut along the dark light during cutting, so as to avoid cutting too much bright powder material and ensure the brightness of the luminous yarn after cutting.

Before the step S4 of slitting, the luminous film is physically cooled to 0 ℃ so as to be hardened and convenient to cut, the phenomenon that the luminous film is askew due to flexibility is avoided, and the cutting forming quality is improved. Meanwhile, a slip agent is added to the surface of the formed luminescent film, and the slip agent is coated by a candle agent, so that the slip degree during cutting can be increased, and the cutting efficiency and the qualification rate of cutting forming are improved. After the luminescent film is physically cooled, the luminescent film is cut at a constant temperature until the luminescent film is cut to form luminescent yarns for rolling, the whole cutting process is guaranteed, the temperature state of the luminescent film is consistent, and cutting and forming are facilitated.

Example 2: an elastic luminous wire is different from the first embodiment in that the raw materials of the luminous powder have the components shown in the table 1.

Example 3, an elastic luminous wire, the raw materials of which are shown in table 1, wherein the material is reflective powder, and reflective micro-bead particles are uniformly distributed on the elastic matrix.

A method of making an elastic illuminable wire comprising the steps of: s1, preparing a luminescent layer raw material: putting thermoplastic polyurethane elastomer resin, pigment, material powder, toughening agent, flatting agent, color fixing agent, cross-linking agent, defoaming agent and stripping aid into a vacuum stirring tank, and stirring at the speed of 800r/min for 30-35 min; wherein the defoaming agent and the stripping aid are respectively 2 parts and 5 parts by weight;

s2, preparing an elastic matrix: selecting an elastic microbead film with glass microbead particles, wherein the thickness of the microbead film is 0.02-0.05mm, the glass microbead particles in the microbead film are uniformly distributed at equal intervals, and the surface of the film is leveled by a leveling roller, so that the surface of the film is guaranteed to be level, and the film is convenient to cut stably;

s3, coating the elastic luminous film: uniformly coating the prepared luminescent layer raw material on the upper surface and the lower surface of a film of an elastic matrix by using a comma scraper, wherein the coating thickness is 0.05-0.28mm, and drying the coated film through a drying channel to form an elastic luminescent film;

s4, cutting to form a luminous strip: equally cutting the coated luminescent film into luminescent strips, wherein the width of the luminescent strips is 7 centimeters;

s5, preparing the luminous yarn: and cutting the luminous strips into silk threads with the diameters of 0.1mm, 0.2mm and 0.3mm by using a yarn slitting device through a cutter, and rolling the silk threads into rollers.

Example 4, an elastic luminous wire, differs from example three in that the raw materials of the luminous powder have the compositions shown in table 1.

Comparative example 1: an elastic luminous wire comprises a base layer and a reflective material layer arranged on the base layer, wherein the components of the reflective material are shown in table 1, and the material layer is made of reflective powder.

Comparative example 2: an elastic luminous line comprises a base layer and a luminous material layer arranged on the base layer, wherein the raw materials of the reflecting material comprise the components shown in table 1, and the material layer is made of luminous powder.

TABLE 1

Tensile strength test of elastic luminous wire: the tensile strength test is performed on the elastic luminous wires of examples 1 to 4 and comparative examples 1 and 2, and the maximum tensile strength and the deformation length which can be respectively borne by the elastic luminous wires when the elastic luminous wires are continuously stretched to break are measured, and the test results are shown in fig. 2, wherein a curve 1 is the test result of example 1, a curve 2 is the test result of example two, a curve 3 is the test result of example 3, a curve 4 is the test result of example 4, a curve 5 is the test result of comparative example 1, and a curve 6 is the test result of comparative example 2.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.