A kind of preparation method of high brightness reflective fabric
Technical field
The present invention relates to reflective fabric and manufacture field, particularly, relate to a kind of preparation method of high brightness reflective fabric.
Background technology
Reflection fabric is the closely bound up high-tech product of a kind of wide model is applied to traffic safety equipment, pad pasting, protective garment, work clothes, uniform equal people the security of the lives and property.This Reflection fabric uses the glass microballoon retroreflecting principle of high index of refraction, and made by the advanced technologies of post processing of focusing, distant place direct light line reflection can be postbacked light place by it, no matter just all have good reflex reflection optical property at night or daytime.Especially evening, the high-visibility as daytime can be played, its appearance solves " in sight " and " seeing " this driving at night difficult problem smoothly, use the work clothes that this high-visibility Reflection fabric makes, no matter disturb at light or scattered light, or when remote place, can be found by nighttime driving person with comparalive ease.
In the preparation of Reflection fabric, adhesive is as the function served as bridge such as bonding of bonding glass microballoon, bonded fabric, layer and layer, directly affect the fastness of whole product, the good reflective fabric of its adhesive fastness stands friction more repeatedly and washing when taking with clothes, and service life is just long.Except except glass microballoon and reflecting layer, the glistening intensity to reflectorized material plays a decisive role, the transparency of the adhesive of both connections is also the key factor affecting reflective function.
Along with the development of national economy and the raising of living standards of the people, the safety problem of the ordinary person of transportation work personnel and walking at night is extremely urgent, due to 3M and most domestic reflectorized material producer, to prepare reflective fabric process costs higher, speed of production is slower, under restriction such as many factors such as raw material sources scope narrower grade, need to develop the technique that a kind of cost is lower, speed of production is fast, new and make reflective fabric.
Summary of the invention
The object of this invention is to provide that a kind of production cost is low, speed of production is fast, wash durability is good, the preparation method of the high brightness reflective fabric that brightness is high after washing.
Technical scheme of the present invention is as follows: a kind of preparation method of high brightness reflective fabric, and technological process is: (1) prepares plant glue-line, PET film is coated with one deck and plants pearl glue, namely obtain plant glue-line through oven for drying, (2) glass microballoon is implanted, obtained for step (1) pearl glue-line of planting is placed in glass microballoon groove and carries out planting pearl, by composite roll and pressure roller effect, glass microballoon is nuzzled plant in pearl glue and realize plant, (3) metal cladding, semi-finished product good for plant in step (2) are proceeded in filming equipment, pass through resistance heating manner, metal becomes gaseous state from Solid State Transformation, the coat of metal is sublimated into after meeting beads formed film, namely compound reflecting layer is made, and composite for base fabric (4), one deck composite layer is coated with at scrim surfaces, blanching compound is passed through with compound reflecting layer after dry out solvent, (5) stripping removing PET film and plant glue-line obtain finished product, pearl glue of planting in described step (1) is made up of the raw material of following weight portion: matrix resin 60 parts, curing agent 0-3 part, diluent 0-30 part, the degree of depth that in described step (2), glass microballoon is implanted is 1-50um, compound adhesive in described step (4) is made up of the raw material of following weight portion: matrix resin 60 parts, curing agent 1-9 part, auxiliary agent 0-3 part, diluent 10-30 part, color stuffing 0-5 part, in step (4) compound reflecting layer and composite layer compound tense two-layer between there is air layer, the degree of depth that compound tense glass microballoon implants composite layer is 10-70um.
Further, the matrix resin in described plant glue is the one in water soluble acrylic acid pressure sensitive adhesive, waterborne polyurethane pressure-sensitive adhesives, oiliness acrylate pressure sensitive adhesive, oiliness polyurethane contact adhesive; In described compound adhesive, matrix resin is the one in solvent type acrylic resin, solvent borne polyurethane.
Further, in described plant glue and compound adhesive, curing agent is the one in isocyanate curing agent, aziridine hardener, amino resin curing agents.
Further, in described plant glue, diluent is the one in deionized water, ethyl acetate, toluene, butanone, butyl acetate, dimethylbenzene; In described compound adhesive, diluent is the one in ethyl acetate, toluene, butanone, butyl acetate, dimethylbenzene.
Further, in described compound adhesive, auxiliary agent is one or more in wetting agent, dispersant, coupling agent.
Further, in described compound adhesive, color stuffing is one or more in toner, mill base, calcium carbonate, kaolin, titanium dioxide, silica.
Closer, described compound adhesive allocating technology is:
(1) by after color stuffing Homogeneous phase mixing, add diluent and carry out grinding distribution 20 ~ 60 minutes;
(2) joined by auxiliary agent in the mixed material of step (1) gained, high-speed stirred is after 20 ~ 60 minutes, with 80 ~ 200 mesh screen corase particleses;
(3) matrix resin, curing agent are joined successively in the mixed material of step (2) gained, stir half an hour more than, be compound adhesive finished product.
As preferably, the coat of metal in described step (3) is aluminium metal coating, Titanium coating, metallic zinc coating;
As preferably, in described step (4), base material is the one in TC cloth, chemical fabric, oxford, stretch fabric, leather.
As preferably, the blanching composite steps in described step (4), heat iron temperature is 70-90 DEG C, and blanching pressure is 0.2MPa-0.6MPa.
As preferably, the thickness of described plant glue-line is 10-100um, and the thickness of the described coat of metal is 0.1nm-100nm, and the thickness of described composite layer is 50um-500um.
Compared with prior art, beneficial effect of the present invention is:
(1) compound reflecting layer plays reflection action, realize its under light-illuminating night reflection, reach warning function;
(2) the pass key control of this highlighted reflective fabric is that the raw material of compound adhesive is selected and allotment: the effect of composite layer is used to bond compound reflecting layer and base cloth, and the wash durability of compound reflecting layer, decide the quality after product washing, compound adhesive viscosity is better, wash durability is better, and the brightness after the washing of high brightness reflective fabric is higher;
(3) this production technology plant speed is fast, and speed of production is accelerated, and delivery date shortens, and the cost of raw material reduces, and the product produced can meet guarantee washing and brightness simultaneously.
accompanying drawing illustrates:
Fig. 1 is the semi-finished product structure schematic diagram after a kind of high brightness reflective fabric plant;
Fig. 2 is the semi-finished product structure schematic diagram after a kind of high brightness reflective fabric plating;
Fig. 3 is the structural representation after a kind of high brightness reflective fabric composite steps completes;
Fig. 4 is finished product structure schematic diagram after a kind of high brightness reflective fabric is peeled off;
Wherein, 1.PET film; 2. plant glue; 3. glass microballoon; 4. the coat of metal; 5. compound adhesive; 6. base cloth; 7. air layer.
Detailed description of the invention
A preparation method for high brightness reflective fabric, technological process is: (1) prepares plant glue-line, PET film is coated with one deck and plants pearl glue, namely obtain plant glue-line through oven for drying, (2) glass microballoon is implanted, obtained for step (1) pearl glue-line of planting is placed in glass microballoon groove and carries out planting pearl, by composite roll and pressure roller effect, glass microballoon is nuzzled plant in pearl glue and realize plant, (3) metal cladding, semi-finished product good for plant in step (2) are proceeded in vacuum coating equipment, pass through resistance heating manner, metal becomes gaseous state from Solid State Transformation, the coat of metal is sublimated into after meeting beads formed film, namely compound reflecting layer is made, and composite for base fabric (4), one deck composite layer is coated with at scrim surfaces, blanching compound is passed through with compound reflecting layer after dry out solvent, (5) stripping removing PET film and plant glue-line obtain finished product.
Embodiment 1
Plant glue formula is: water soluble acrylic acid pressure sensitive adhesive 60 parts, isocyanate curing agent 1 part, deionized water 20 parts; The formula of compound adhesive is: solvent type acrylic resin 60 parts, aziridine hardener 1 part, 20 parts, ethyl acetate, toner and mill base totally 5 parts;
The thickness of plant glue-line is 10um, and the thickness of the coat of metal is 100nm, and the thickness of composite layer is 50um, and wherein, base cloth is TC cloth, and the coat of metal is aluminium metal coating, and blanching compound condition is: heat iron temperature 70 DEG C, and blanching pressure is 0.6MPa.
Embodiment 2
Plant glue formula is: waterborne polyurethane pressure-sensitive adhesives 60 parts, 30 parts, ethyl acetate; The formula of compound adhesive is: solvent borne polyurethane 60 parts, amino resin curing agents 8 parts, wetting agent 2 parts, butanone 15 parts; The thickness of plant glue-line is 20um, and the thickness of the coat of metal is 80nm, and the thickness of composite layer is 150um, and wherein, base cloth is leather, and the coat of metal is metallic zinc coating, and blanching compound condition is: heat iron temperature 75 DEG C, and blanching pressure is 0.2MPa.
Embodiment 3
Plant glue formula is: oiliness acrylate pressure sensitive adhesive 60 parts, aziridine hardener 2 parts, toluene 10 parts; The formula of compound adhesive is: solvent type acrylic resin 60 parts, isocyanate curing agent 6 parts, wetting agent 1 part, 10 parts, ethyl acetate, 3 parts, calcium carbonate;
The thickness of plant glue-line is 30um, and the thickness of the coat of metal is 50nm, and the thickness of composite layer is 250um, and wherein, base cloth is chemical fabric, and the coat of metal is Titanium coating, and blanching compound condition is: heat iron temperature 80 DEG C, and blanching pressure is 0.3MPa.
Embodiment 4
Plant glue formula is: oiliness polyurethane contact adhesive 60 parts, aziridine hardener 3 parts; The formula of compound adhesive is: solvent borne polyurethane 60 parts, amino resin curing agents 9 parts, dispersant 1 part, toluene 25 parts, kaolin 5 parts; The thickness of plant glue-line is 80um, and the thickness of the coat of metal is 40nm, and the thickness of composite layer is 200um, and wherein, base cloth is oxford, and the coat of metal is metallic zinc coating, and blanching compound condition is: heat iron temperature 85 DEG C, and blanching pressure is 0.4MPa.
Embodiment 5
Plant glue formula is: water soluble acrylic acid pressure sensitive adhesive 60 parts, amino resin curing agents 3 parts, butyl acetate 25 parts; The formula of compound adhesive is: solvent type acrylic resin 60 parts, isocyanate curing agent 2 parts, coupling agent 2 parts, dimethylbenzene 30 parts, titanium dioxide 4 parts; The thickness of plant glue-line is 100um, and the thickness of the coat of metal is 10nm, and the thickness of composite layer is 300um, and wherein, base cloth is oxford, and the coat of metal is Titanium coating, and blanching compound condition is: heat iron temperature 90 DEG C, and blanching pressure is 0.5MPa.
Embodiment 6
Plant glue formula is: oiliness polyurethane contact adhesive 60 parts, amino resin curing agents 1 part, dimethylbenzene 5 parts; The formula of compound adhesive is: solvent borne polyurethane 60 parts, aziridine hardener 4 parts, coupling agent 3 parts, butyl acetate 20 parts, silica 2 parts; The thickness of plant glue-line is 25um, and the thickness of the coat of metal is 0.1nm, and the thickness of composite layer is 500um, and wherein, base cloth is stretch fabric, and the coat of metal is aluminium metal coating, and blanching compound condition is: heat iron temperature 82 DEG C, and blanching pressure is 0.6MPa.
Technique scheme only embodies the preferred embodiment of the present invention, can not be interpreted as the restriction to authorized range of the present invention, and all distortion of making according to the present invention and improvement, all belong to scope.