CN109849248A - A kind of ultra-thin PMMA method for manufacturing thin film and preparation system - Google Patents
A kind of ultra-thin PMMA method for manufacturing thin film and preparation system Download PDFInfo
- Publication number
- CN109849248A CN109849248A CN201811255904.3A CN201811255904A CN109849248A CN 109849248 A CN109849248 A CN 109849248A CN 201811255904 A CN201811255904 A CN 201811255904A CN 109849248 A CN109849248 A CN 109849248A
- Authority
- CN
- China
- Prior art keywords
- film
- pmma
- thin
- bearing
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of ultra-thin PMMA method for manufacturing thin film, include the following steps: s1, configure PMMA coating fluid；PMMA coating fluid is coated on bearing film surface by S2；Bearing film after coating is sent into baking oven and is dried, forms PMMA film by S3；S4 will wind after the PMMA film removing on bearing film or wind PMMA film together together with bearing film.The invention also discloses the production equipments of production PMMA film.The preparation system of ultra-thin PMMA film provided by the invention allows to produce ultra-thin PMMA film product, and simple production process, and equipment investment is low, and yields is high, and quality is stablized.
Description
Technical field
The present invention relates to the field PMMA more particularly to a kind of ultra-thin PMMA method for manufacturing thin film and preparation system.
Background technique
PMMA(polymethyl methacrylate) have many advantages, such as transparent, light, weather-proof, easy to form, stable chemical performance.
Therefore the material is applied to the every field such as life production.Transparent acrylic material has the light transmittance that can be compared with glass, but
Density only has the half of glass.In addition, it is so frangible unlike glass, even if destroying, will not be formed as glass sharp
Fragment.Its good characteristic makes it be widely used in lampshade, glass pane, nameplate, optical lens, hard contact lenses, automobile
The products such as part.
Especially in optics display field, since the properties of PMMA film are excellent, product also in the field of display by
Step application, such as outer screen material of display, glass alternative materials, the fields such as polarizer protection materials, PMMA thin-film material all relate to.
Traditional PMMA film production process is produced with the tape casting technique, but due to cast film production equipment and process
Determine that the method film production process is unable to reach the requirement of special optical grade product.It is difficult especially to produce ultra thin optical film
Du Genggao.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of ultra-thin PMMA is thin
Membrane preparation method and preparation system allow to produce slim PMMA film product, and simple production process, and equipment investment is low, good
Product rate is high, and quality is stablized.
To achieve the above object, the present invention provides a kind of ultra-thin PMMA method for manufacturing thin film, which is characterized in that including such as
Lower step:
S1 configures PMMA coating fluid；
PMMA coating fluid is coated on bearing film surface by S2；
Bearing film after coating is sent into baking oven and is dried, forms PMMA film by S3；
S4 will wind after the PMMA film removing on bearing film or wind PMMA film together together with bearing film.
Preferably, the step s1 includes:
Monomer, oil-soluble initiator and transfer agent are carried out in dicyandiamide solution polymerization reaction, form PMMA solution by s11；
Coating fluid is made through supercooling, defoaming, filtering in s12, PMMA solution.
Preferably, the step s12 further includes that ultraviolet absorbing agent and high refractive index additive is added after cooling.
Preferably, step S2 further includes before being coated with PMMA coating fluid, applying to bearing film to the bearing film
The easily separated coating of cloth.
Preferably, the dicyandiamide solution includes toluene, dimethylbenzene, DMF, methylene chloride, butyl acetate, ethyl acetate.
Preferably, the PMMA coating fluid bearing film surface be coated with a thickness of 0.5 micron~250 microns.
Preferably, the drying temperature of the baking oven is 30 DEG C~150 DEG C.
The invention also discloses a kind of ultra-thin PMMA film preparing systems, including PMMA coating fluid configuration device, for matching
Set PMMA coating fluid；
Apparatus for coating is used for, and is coated with PMMA coating fluid in the bearing film surface uniformly continuous unreeled；
Drying device, the PMMA coating fluid for dry coating on bearing film surface form PMMA film；
Stripping off device, for removing the PMMA film on bearing film surface；
Wrap-up, for will wind after the PMMA film removing on bearing film or receive PMMA film together together with bearing film
Volume.
Preferably, further includes: bearing film unwinding device, for coiled bearing film to be unreeled.
Preferably, the wrap-up includes: PMMA film wrap-up and bearing film wrap-up；
The PMMA film wrap-up, for the PMMA film winding after removing；
The bearing film wrap-up, for winding the bearing film with PMMA film removing.
The present invention changes the original production technology of PMMA film, introduces carrier film, by PMMA solution coating in carrier film
On, ultra-thin PMMA film can be produced, and due to the presence of carrier film, can use simple device can produce it is ultra-thin
PMMA film will integrally be greatly lowered PMMA film production process control difficulty, and can produce high ultra-thin of yields
PMMA film product.
It is wound when together with bearing film, due to there is certain peeling force between bearing film and PMMA film, together
It when winding, will not be separated between two membranes, the opposite sex is in two layers of surface that is in contact when on the one hand passing through winding, so that winding is more held
Easily, winding product yield is improved；On the other hand can the bearing film can be used as the protective layer of PMMA product, make as subsequent
With process protective film in the process.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the ultra-thin PMMA method for manufacturing thin film of the present invention；
Fig. 2 is the ultra-thin PMMA equipment for producing thin film schematic diagram of a preferred embodiment of the present invention；
Fig. 3 is the ultra-thin PMMA equipment for producing thin film schematic diagram of another preferred embodiment of the invention.
Specific embodiment
A kind of ultra-thin PMMA method for manufacturing thin film, includes the following steps:
Step s1 configures PMMA coating fluid；When specific implementation, using monomer, oil-soluble initiator and transfer agent as main
Material, and polymerization reaction is carried out in dicyandiamide solution, obtain PMMA solution；Dicyandiamide solution includes toluene, dimethylbenzene, DMF, dichloro
Methane, butyl acetate, ethyl acetate.
PMMA coating fluid is coated on bearing film surface by step S2；When specific implementation, PMMA solution is passed through into coating side
It is coated on to formula uniformly continuous bearing film surface, bearing film is that PET film, PC film, PU film, PP film or PE are thin
Film；The control of coating thickness can realize by the gap of control coating head and bearing film surface, coating with a thickness of 0.5
Micron~250 microns.Coating method can apply for the coating of nozzle formula, scraper type coating, the coating of comma scraper formula, reticulate pattern roll-type
Cloth, microgravure coating, curtain coating, the coating of multiple roll transfer type, air-blade type coating, spraying or other even spreads that are able to achieve
Mode；
Bearing film after coating is sent into baking oven and is dried, forms PMMA film by step S3；When specific implementation, after coating
Bearing film be sent into baking oven be dried, drying temperature be 30~150 DEG C, eventually form PMMA film；
Step S4 will wind after the PMMA film removing on bearing film or wind PMMA film together together with bearing film.Specifically
When realization, as needed, after the PMMA film removing on bearing film, PMMA film and bearing film are individually wound,
PMMA film can be wound together together with bearing film.
On the one hand the technical program introduces dicyandiamide solution when configuring PWM coating fluid and participates in resin synthesis process and be coated into
Membrane process, has improved the coating characteristics of filmogen, so that the production difficulty of optical film be greatly lowered；On the other hand it introduces
Carrier film, the introducing of carrier film can change original casting technique, cannot produce ultrathin film due on steel rider because being directly cast
History；In addition, also introducing easy-peel absciss layer.On the one hand production efficiency can be improved in the introducing of easy glassy layer, on the other hand exist
Play the role of surface protection to PMMA film in production process.
In addition, being first coated with one layer of easily separated painting with low-surface-energy property before bearing film is coated with PMMA coating fluid
Layer is so easy to remove PMMA film on carrier film.Easily separated coating material can for organosilicon material, organic fluorine material,
Organic-silicon-modified high molecular material or Organic fluoride modified polymer material.
It is described further below with reference to technical effect of the embodiment to design of the invention, specific structure and generation,
To fully understand the purposes, features and effects of the present invention.
Embodiment 1
Blender is being housed, thermometer, reflux condensing tube, is meeting vacuum pump and N2The four-hole boiling flask of pipe, by following digital ratio 1.5:1 successively
A certain amount of circulation fluid is added, after MMA, BA are uniformly mixed, AIBN, DDM of weighing is added.10 are stirred at room temperature
Min, warming-in-water to 96-98 ~ C, reaction pressure keep 72.8 kPa of absolute pressure, cool after reacting 11h, it is molten to obtain PMMA
Liquid；
By above-mentioned PMMA solution through supercooling, defoaming, filtering and etc. become coating fluid be transported to coating head.Coating head is using close
Enclosed blade coating head controls scraper gap, so that PMMA dry film target thickness is 40 ± 2 microns.PMMA solution is uniformly applied
For cloth on carrier film, this example uses 50 microns of PET films with ground surface energy coating, and the low-surface-energy material changes
The high-molecular compound with alkane group of property.PMMA solution coatings enter baking oven, temperature setting with bearing film together
It is 60 DEG C -80 DEG C -100 DEG C, after baking oven toasts film forming and thoroughly solvent volatilizees, PMMA finished film and carrier film one
With winding, product test data are as follows:
| Test item | Test value |
| PMMA film is thick | 31μm |
| Light transmittance | 92.2 |
| Mist degree | 0.9 |
| Carrier film peeling force | 11g/in |
Embodiment 2
Blender is being housed, thermometer, reflux condensing tube, is meeting vacuum pump and N2The four-hole boiling flask of pipe, by following digital ratio 1.5:1 successively
A certain amount of circulation fluid is added, after MMA, BA are uniformly mixed, AIBN, DDM of weighing is added.10 are stirred at room temperature
Min, warming-in-water to 96-98 ~ C, reaction pressure keep 72.8 kPa of absolute pressure, cool after reacting 11h, are then added certain
Ultraviolet absorber and high refractive index additive are measured, PMMA solution is obtained；
By above-mentioned PMMA solution, through supercooling, defoaming, filtering and etc. become coating fluid and be transported to coating head.Coating head uses
Nozzle formula coating head controls nozzle outlet gap, so that PMMA dry film target thickness is 15 ± 2 microns.By PMMA solution
It is uniformly coated on carrier film, this example uses the 50 microns of PC films handled by surface low-surface-energy, the low table
Face energy material is aqueous silicon high molecular material.PMMA solution coatings enter baking oven with bearing film together, and temperature is set as
30 DEG C -50 DEG C -80 DEG C, after baking oven toasts film forming and thoroughly solvent volatilizees, PMMA finished film is passed through with carrier film
Mechanical device separates, and PMMA finished film is received to be a roll of, and bearing film receipts are a roll, and product test data are as follows:
| Test item | Test value |
| PMMA film is thick | 12.5μm |
| Light transmittance | 92.5 |
| Mist degree | 0.9 |
| Carrier film peeling force | 5g/in |
The invention also discloses a kind of PMMA film preparing systems, as Figure 2-3, including PMMA solution process units, carrying
Thin-film unreeling device 2, apparatus for coating 3, drying device 4, winding device 5；
Wherein, PMMA solution process units is used to methyl methacrylate and butyl acrylate passing through drawing for free radical polymerization
Hair increases, and after terminating three phases, forms PMMA solution；PMMA solution send to painting and arranges through dissolution, cooling, defoaming, filtering
It sets；Bearing film unwinding device 2 is for unreeling coiled bearing film；Apparatus for coating 3 is used in the bearing film table unreeled
It is coated with PMMA coating fluid to face uniformly continuous；PMMA coating fluid of the drying device 4 for dry coating on bearing film surface, with
Form PMMA film；Wrap-up 5 is wound for PMMA film together with bearing film.
When specific implementation, coiled bearing film is unreeled using bearing film unwinding device 2；Existed using apparatus for coating 3
It is coated with PMMA coating fluid to the bearing film surface uniformly continuous unreeled；Bearing film surface will be coated on using drying device 4
PMMA coating fluid be dried, formed PMMA film；It will be removed in the PMMA film on bearing film surface using stripping off device；Using
Wrap-up 5 is wound, and wherein wrap-up includes PMMA film wrap-up and bearing film wrap-up, PMMA film winding
Device winds the PMMA film after removing, and bearing film wrap-up is will to be stripped the bearing film after PMMA film to receive
Volume.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of ultra-thin PMMA method for manufacturing thin film, which comprises the steps of:
S1 configures PMMA coating fluid；
PMMA coating fluid is coated on bearing film surface by S2；
Bearing film after coating is sent into baking oven and is dried, forms PMMA film by S3；
S4 will wind after the PMMA film removing on bearing film or wind PMMA film together together with bearing film.
2. ultra-thin PMMA method for manufacturing thin film as described in claim 1, which is characterized in that the step s1 includes:
S11, monomer, oil-soluble initiator and transfer agent carry out polymerization reaction in dicyandiamide solution, form PMMA solution；
Coating fluid is made through supercooling, defoaming, filtering in s12, PMMA solution.
3. ultra-thin PMMA method for manufacturing thin film as claimed in claim 2, which is characterized in that the step s12 further include: cold
But ultraviolet absorbing agent and high refractive index additive are added after cooling down.
4. ultra-thin PMMA method for manufacturing thin film as described in claim 1, which is characterized in that the step S2 further include: to
Before bearing film is coated with PMMA coating fluid, easily separated coating is coated with to bearing film.
5. ultra-thin PMMA method for manufacturing thin film as claimed in claim 2, which is characterized in that the dicyandiamide solution includes toluene,
Dimethylbenzene, DMF, methylene chloride, butyl acetate, ethyl acetate.
6. ultra-thin PMMA method for manufacturing thin film as described in claim 1, which is characterized in that the PMMA coating fluid is thin in carrying
Film surface coating with a thickness of 0.5 micron~250 microns.
7. ultra-thin PMMA method for manufacturing thin film as described in claim 1, which is characterized in that the drying temperature of the baking oven is 30
DEG C~150 DEG C.
8. a kind of ultra-thin PMMA film preparing system characterized by comprising
PMMA coating fluid configuration device, for configuring PMMA coating fluid；
Apparatus for coating, for being coated with PMMA coating fluid in the bearing film surface uniformly continuous unreeled；
Drying device, the PMMA coating fluid for dry coating on bearing film surface form PMMA film；
Stripping off device, for removing the PMMA film on bearing film surface；
Wrap-up, for will wind after the PMMA film removing on bearing film or receive PMMA film together together with bearing film
Volume.
9. ultra-thin PMMA film preparing system as claimed in claim 8, which is characterized in that further include:
Bearing film unwinding device, for unreeling coiled bearing film.
10. ultra-thin PMMA film preparing system as claimed in claim 8 or 9, which is characterized in that the wrap-up includes:
PMMA film wrap-up and bearing film wrap-up；
The PMMA film wrap-up, for the PMMA film winding after removing；
The bearing film wrap-up, for winding the bearing film with PMMA film removing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255904.3A CN109849248A (en) | 2018-10-26 | 2018-10-26 | A kind of ultra-thin PMMA method for manufacturing thin film and preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255904.3A CN109849248A (en) | 2018-10-26 | 2018-10-26 | A kind of ultra-thin PMMA method for manufacturing thin film and preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849248A true CN109849248A (en) | 2019-06-07 |
Family
ID=66889823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255904.3A Pending CN109849248A (en) | 2018-10-26 | 2018-10-26 | A kind of ultra-thin PMMA method for manufacturing thin film and preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849248A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869387A (en) * | 2014-03-27 | 2014-06-18 | 宁波惠之星新材料科技有限公司 | Ultraviolet light curing optic hardened film, preparing device thereof and preparing method thereof |
| CN104650286A (en) * | 2015-01-21 | 2015-05-27 | 长春工业大学 | Preparation method for polymethyl methacrylate resin with high heat resistance |
| CN106182538A (en) * | 2016-07-08 | 2016-12-07 | 安徽省光学膜材料工程研究院有限公司 | A kind of high intensity Triafol T laminated film production technology |
-
2018
- 2018-10-26 CN CN201811255904.3A patent/CN109849248A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869387A (en) * | 2014-03-27 | 2014-06-18 | 宁波惠之星新材料科技有限公司 | Ultraviolet light curing optic hardened film, preparing device thereof and preparing method thereof |
| CN104650286A (en) * | 2015-01-21 | 2015-05-27 | 长春工业大学 | Preparation method for polymethyl methacrylate resin with high heat resistance |
| CN106182538A (en) * | 2016-07-08 | 2016-12-07 | 安徽省光学膜材料工程研究院有限公司 | A kind of high intensity Triafol T laminated film production technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103031090B (en) | Acid-free OCA and adhesive belt and fabrication method of acid-free OCA and adhesive belt | |
| CN102816538A (en) | Heavy-release force release film having surface microviscosity and preparation method thereof | |
| WO2020114225A1 (en) | Combined coating of projection screen and preparation method for projection screen | |
| CN103869387A (en) | Ultraviolet light curing optic hardened film, preparing device thereof and preparing method thereof | |
| TWI771278B (en) | Polyvinyl alcohol-based film and polarizing film using the same, polarizing plate, and manufacturing method of polyvinyl alcohol-based film | |
| CN203881962U (en) | Ultraviolet light curing optic hardened film and device for preparing ultraviolet light curing optic hardened film | |
| CN106847411A (en) | A kind of coating system, a kind of nano-silver thread conductive film and preparation method thereof | |
| CN101407121B (en) | Protective film and method of processing the same | |
| JP2003334831A (en) | Acrylic film and its manufacturing method | |
| CN111363393A (en) | Coating composition for preparing photonic crystal film, photonic crystal film and preparation method | |
| CN105418854A (en) | PDLC composition with high bonding force | |
| CN104932040B (en) | A kind of optical thin film | |
| CN109825211B (en) | Colored explosion-proof membrane and preparation method thereof | |
| CN106908872A (en) | A kind of anti-scratch diffusion barrier and preparation method thereof | |
| CN107272092A (en) | A kind of warpage preventing diffusion barrier and preparation method thereof | |
| CN107266696A (en) | The manufacture method and its obtained mould release membrance of a kind of chip components and parts processing procedure mould release membrance | |
| CN110041614A (en) | A kind of quantum dot light transition material and its preparation method and application | |
| CN105022104B (en) | A kind of optical thin film | |
| CN109849248A (en) | A kind of ultra-thin PMMA method for manufacturing thin film and preparation system | |
| CN114280860A (en) | Liquid crystal film and preparation method and application thereof | |
| CN110964220A (en) | Low-temperature cured ultra-light PET release film and preparation method thereof | |
| WO2014098420A1 (en) | Method for manufacturing hard-coated polarizing plate | |
| CN113214746A (en) | Ultraviolet curing adhesive tape for invisible cutting, preparation method and application | |
| CN113122156A (en) | Anti-fingerprint high-transmittance TPU (thermoplastic polyurethane) protective film suitable for curved AF (AF) screen, preparation method and application thereof | |
| CN110462468A (en) | Polyvinyl alcohol film, light polarizing film, the manufacturing method of polarizer and polyvinyl alcohol film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |