CN86105302B - Process of producing oriented reflection film - Google Patents
Process of producing oriented reflection film Download PDFInfo
- Publication number
- CN86105302B CN86105302B CN86105302A CN86105302A CN86105302B CN 86105302 B CN86105302 B CN 86105302B CN 86105302 A CN86105302 A CN 86105302A CN 86105302 A CN86105302 A CN 86105302A CN 86105302 B CN86105302 B CN 86105302B
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- China
- Prior art keywords
- glass microballoon
- adhesive
- reflection film
- technology
- aluminium foil
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Abstract
The present invention provides a fabrication process for producing an oriented light-reflection film, which is characterized in that adhesive is beforehand coated on one face of a plastic film, and then the face coated with the adhesive is covered on a light-reflection bottom layer with micro glass beads to be hot pressed and bonded. The light-reflection brightness and the effective light-reflection angle of the oriented light-reflection film produced by the fabrication process approach to those of the oriented light-reflection films on roads abroad.
Description
The present invention is a kind of manufacture craft that is used to produce oriented reflection film.
Oriented reflection film is a kind of novel regression reflecting material that grows up in nearly 30 years.Since the sixties, oriented reflection film has been widely used in every fields such as highway, water transport, aviation abroad.China's research in this respect is started in the seventies, but up to the present, the production level of oriented reflection film is also lower, and manufacture craft does not pass a test, and the quality of product is also poor.Yet the research of external oriented reflection film is but also advancing with production with rapid changepl. never-ending changes and improvementsly.At first produce the third generation product of oriented reflection film by Minnesota Mining and Manufacturing Company (Minesota Mining and Manufactring CO.), all be better than second generation product with regard to its quality, glistening intensity and usable reflection angle etc., but its price comparison is expensive, and complex manufacturing technology, technical requirement are also than higher.Especially for face-mask material-organic glass film of making this oriented reflection film, still can't produce in China, if rely on import, also to spend a large amount of foreign exchanges; In addition, plate layer of aluminum on the glass microballoon of bottom, it is bigger to make it produce this technology difficulty of reflection action, and we also still can not grasp.Therefore, we are in order to produce the oriented reflection film with external equal in quality, and have selected for use material such as mylar to replace the organic glass film.But the bond properties of mylar is bad, can not make surface layer diaphragm-mylar and reflective bottom bonding well with general adhesion technique; And the manufacture craft of reflective bottom also needs to improve according to the prior art of China.
Purpose of the present invention is to provide a kind of manufacture craft exactly, adopts domestic raw material to address the above problem.Make index such as the glistening intensity of the oriented reflection film that China produces and usable reflection angle and state is from outside is close with oriented reflection film.
Technology overall process of the present invention is as follows:
(1) in advance heat-fusible adhesive is coated on the mylar equably, film thickness is 50～100 μ m, and institute's coating adhesive thickness is 30～100 μ m.
(2) be coated on the aluminium top foil with the clear binder that is suitable for, sprinkle glass microballoon, remove floating pearl;
(3) apply 200kg/cm in the both sides of aluminium foil
2About pressure, half of glass microballoon is pressed into aluminium foil, make the back of glass microballoon form bowl-shape reflective surface.
(4) reflective bottom is placed on the mesh template pressurizes, pressure is 6～9kg/cm
2, make reflective bottom that the lattice shape reticulate pattern of projection be arranged.
(5) get (1) ready-made mylar that has bonding agent, have the one side of bonding agent to cover on the reflective bottom of protruding lattice shape reticulate pattern it, and the pressurization of under the situation that does not break away from mesh template, heating (temperature: 60～180 ℃, pressure: 2～4kg/cm
2, the time: 3～20 seconds), the mylar and the reflective bottom that scribble bonding agent are bonded together securely, form the oriented reflection film product.
The oriented reflection film that uses the above-mentioned manufacture craft that provides to produce is provided, technical indicators such as its glistening intensity and usable reflection angle are close with oriented reflection film with external road, and low cost, simple, the grasp easily of technology.Most importantly can utilize the existing starting material of China, for country has saved a large amount of foreign exchanges.
At EVA series heat-fusible adhesive in the coating equably on the transparent mylar, be about to heat-fusible adhesive and in the time of 100～180 ℃, be coated on the mylar with dipping or roller coat or lattice pressure mode, institute's coating adhesive thickness is 60 μ m.
Then with the bonding agent that is suitable for such as polyurethane blade coating or roller coat on aluminium foil, sprinkle glass microballoon, shake off unnecessary floating pearl, form reflective bottom through roll-in again.
Reflective bottom is placed on the mesh template pressurizes, pressure is 6～9kg/cm
2, make reflective bottom that the grid of projection be arranged.Under the situation that does not break away from mesh template, cover the mylar that scribbles heat-fusible adhesive on the reflective bottom and the pressurization of heating, form the oriented reflection film product.
Embodiment 2(sees accompanying drawing)
Be coated with EVA series heat-fusible adhesive on the mylar of continuous rolling equably, coating process and condition are with embodiment 1.After treating the glue cooling curing, rolling is preserved.
With the reflective bottom (1) (manufacture craft of reflective bottom is with embodiment 1) of continuous rolling, there is the hot steel rider (3) of netted decorative pattern to carry out roll-in then, makes the netted decorative pattern that forms projection on the reflective bottom by a rubber rollers (2) and a carving.Another that continuous rolling and the mylar (4) that scribbles heat-fusible adhesive are sent into that hot steel rider (3) and another rubber rollers (5) form makes protruding grid and the bonding formation oriented reflection film of the mylar product (6) that is coated with on the reflective bottom to press bonding roller.
Claims (5)
1, a kind of manufacture craft of oriented reflection film, comprising: (1). glass microballoon is bonded at aluminium foil surface, and carry out roller process, half of glass microballoon compressed into aluminium foil, and behind glass microballoon, form bowl-shape reflecting surface, make reflective bottom, (2), heat-fusible adhesive evenly is applied to the one side of plastic sheeting, and institute's coating adhesive thickness is 30～100 μ m, (3). the one side that then plastic sheeting is scribbled bonding agent covers on the reflective bottom that has glass microballoon carries out heat pressure adhesive.
2, technology as claimed in claim 1 is characterized in that said plastic sheeting is a mylar, and film thickness is 50～100 μ m.
3, technology as claimed in claim 1 is characterized in that said heat-fusible adhesive is an EVA series heat-fusible adhesive.
4, technology as claimed in claim 1 is characterized in that saidly to will be stained with the sticking aluminium foil surface of glass microballoon and carry out roller process the time, and aluminium foil both sides applied pressure is 200kg/cm
2
5, technology as claimed in claim 1 is characterized in that said reflective bottom is placed on the mesh template and pressurizes, and carries out the clad can hot pressing, temperature not breaking away under the situation of pressing the net mould: 60～180 ℃, and pressure: 2～4kg/cm
2, the time: 3～20 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86105302A CN86105302B (en) | 1986-08-12 | 1986-08-12 | Process of producing oriented reflection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86105302A CN86105302B (en) | 1986-08-12 | 1986-08-12 | Process of producing oriented reflection film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86105302A CN86105302A (en) | 1987-03-25 |
| CN86105302B true CN86105302B (en) | 1988-08-31 |
Family
ID=4802801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86105302A Expired CN86105302B (en) | 1986-08-12 | 1986-08-12 | Process of producing oriented reflection film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86105302B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590709B (en) * | 2008-05-27 | 2012-12-26 | 鲁毅 | Method for realizing sealing composite technology of reflective film raised structure |
| CN104155708B (en) * | 2014-09-02 | 2017-01-25 | 苏州斯迪克新材料科技股份有限公司 | Light-emitting reflection film and preparation method thereof |
| CN117283960A (en) * | 2023-11-03 | 2023-12-26 | 绍兴红葡萄纺织装饰品有限公司 | Novel sun-shading fabric and manufacturing method thereof |
-
1986
- 1986-08-12 CN CN86105302A patent/CN86105302B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN86105302A (en) | 1987-03-25 |
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| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |