CN105882096B - A kind of flexible glass rupture pressure disc and its preparation process - Google Patents
A kind of flexible glass rupture pressure disc and its preparation process Download PDFInfo
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- CN105882096B CN105882096B CN201610232998.7A CN201610232998A CN105882096B CN 105882096 B CN105882096 B CN 105882096B CN 201610232998 A CN201610232998 A CN 201610232998A CN 105882096 B CN105882096 B CN 105882096B
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- 239000011521 glass Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000741 silica gel Substances 0.000 claims abstract description 28
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 28
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 10
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 10
- 239000011265 semifinished product Substances 0.000 claims description 36
- 229920001296 polysiloxane Polymers 0.000 claims description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 229920002635 polyurethane Polymers 0.000 claims description 18
- 239000004814 polyurethane Substances 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- -1 dimethyl siloxane Chemical class 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 25
- 238000000576 coating method Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003666 anti-fingerprint Effects 0.000 abstract description 5
- 239000000499 gel Substances 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 238000013467 fragmentation Methods 0.000 abstract description 2
- 238000006062 fragmentation reaction Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 60
- 239000005341 toughened glass Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000533950 Leucojum Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/536—Hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a kind of flexible glass rupture pressure disc and its preparation processes.By the present invention in that with PC/PMMA film, UV is coating material solidified above it, below by fitting acrylic and silica gel, to make finished product.UV is coating material solidified to have high rigidity, anti-fingerprint performance, can achieve or close to glass surface effect；PC/PMMA film can be bent after coating UV is coating material solidified up to 90 °, and fragmentation after similar glass bending is achieved the effect that after doubling；It is after PET coating acrylic and film adhered, increase the thickness and hardness of product, so that product has explosion-proof effect；PET lower layer coating organic pressure-sensitive gel can be fitted in screen surface.
Description
Technical field
The present invention relates to optics technical field of membrane, especially a kind of flexible glass rupture pressure disc and its preparation process.
Background technique
Tempered glass film is a kind of mobile phone screen protection product widely loved by the majority of consumers at present, good appearance, tool
Standby bare machine sense of touch, high rigidity high transparency.This product is to consist of two parts, tempered glass and AB glue.AB glue is referred to PET
For substrate, coated on one side acrylic, the product of coated on one side silica gel.It is die cut manufacturer and passes through purchase tempered glass and AB glue respectively,
With the acrylic layer of tempered glass fitting AB glue to become tempered glass film.
The thickness of tempered glass is typically less than 0.4mm, so there is higher defective products in process of production；AB glue is being pasted
Before closing on tempered glass, more set processes such as need to be coated, cut, be die cut, bad product rate is more up to 30%；This two
Higher scrappage has also been easy during kind product fitting.So a tempered glass film is made, the material learned behind
The three times that material is at least itself are even higher.
Tempered glass film is since using glass, as main material, glass is the very high material of hardness, and inflexibility causes
Product is easy to produce the problem of bubble and snow during fitting.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide a kind of flexible glass rupture pressure disc
And its preparation process.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of flexible glass rupture pressure disc, from up to
Under successively include the first pet layer, the first silicone pressure sensitive layer of silica gel, polyurethane acrylic acid paint layer, PC/PMMA substrate, Ya Ke
Power glue-line, the second pet layer, the second silicone pressure sensitive layer of silica gel and third pet layer.
In above-mentioned technical proposal, first pet layer, the second pet layer, third pet layer thickness be respectively 0.025-
0.075mm。
In above-mentioned technical proposal, the first silicone pressure sensitive layer of silica gel it is organic with a thickness of 0.05-0.015mm, second
The pressure-sensitive layer of silica gel of silicon with a thickness of 0.01-0.05mm.
In above-mentioned technical proposal, the polyurethane acrylic acid paint layer with a thickness of 0.002-0.02mm.
In above-mentioned technical proposal, the substrate with a thickness of 0.05-0.2mm.
In above-mentioned technical proposal, the acrylic glue-line with a thickness of 0.01-0.02mm.
According to a kind of preparation process of any of the above-described flexible glass rupture pressure disc, comprising the following steps:
A, polyurethane acrylic acid paint layer is coated on to the upper surface of substrate, it is roasting subsequently into the first oven heat, first
Case is gradually increased from import to outlet temperature, then carries out UV solidification, forms semi-finished product A；
B, the second silicone pressure sensitive layer of silica gel is coated on to the lower surface of the second pet layer, subsequently into the second oven heat,
Second oven is gradually increased from import to outlet, forms semi-finished product B；The lower surface of semi-finished product B and the upper surface of third pet layer
It squeezes and is bonded through pressure roller, form semi-finished product B1；
C, acrylic glue-line is coated on to the upper surface of the second pet layer in semi-finished product B1, is added subsequently into third oven
Heat, third oven are gradually increased from import to outlet temperature, form semi-finished product B2, then by the upper surface of semi-finished product B2 and half
The lower surface of finished product A squeezes fitting by pressure roller, forms semi-finished product C；
D, the first silicone pressure sensitive layer of silica gel is coated on to the lower surface of the first pet layer, subsequently into the 4th oven heat,
4th oven is gradually increased from import to outlet temperature, semi-finished product D is formed, then by the lower surface of semi-finished product D and semi-finished product C
Upper surface by pressure roller squeeze fitting, be prepared into flexible glass rupture pressure disc finished product.
In above-mentioned technical proposal, the formula of the polyurethane acrylic acid paint layer is polyurethane acroleic acid, photoinitiator, has
Organic fluorine surfactant, ethyl acetate, butyl acetate, weight fraction ratio 50:3:0.05:20:27.
In above-mentioned technical proposal, the formula of the acrylic glue-line is acrylic resin, isocyanide acid as curing agent, acetic acid second
Ester, toluene, weight fraction ratio 49:1:25:25.
In above-mentioned technical proposal, the formula of the first, second silicone pressure sensitive layer of silica gel is methyl silicone rubber, dimethyl
Siloxanes, platinum catalyst, toluene, weight fraction ratio 5:45:2:58.
The beneficial effects of the present invention are: firstly, by the present invention in that UV is coating material solidified above it with PC/PMMA film,
Below by fitting acrylic and silica gel, to make finished product.UV is coating material solidified to have high rigidity, anti-fingerprint performance, Ke Yida
It arrives or close to glass surface effect；PC/PMMA film can be bent up to 90 °, reach after doubling after coating UV is coating material solidified
The effect of fragmentation after similar glass bending；It is after PET coating acrylic and film adhered, increase the thickness and hardness of product, so that
Product has explosion-proof effect；PET lower layer coating organic pressure-sensitive gel can be fitted in screen surface.
In addition, one aspect of the present invention improves the ease of use of tempered glass film, there is flexible characteristic can be easy to paste
Merging and bubble-free and snowflake problem, while again with the optical transparence of tempered glass film, explosion-proof shock resistance；On the other hand change
Tempered glass film has been apt to it in process of production to the waste of resource, production efficiency greatly improved, has embodied technological innovation to society
The contribution of meeting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flexible glass rupture pressure disc of the present invention.
In figure, the 1, first pet layer；2, the first silicone pressure sensitive layer of silica gel；3, polyurethane acrylic acid paint layer；4,PC/
PMMA substrate；5, acrylic glue-line；6, the second pet layer；7, the second silicone pressure sensitive layer of silica gel；8, third pet layer.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, a kind of flexible glass rupture pressure disc, successively includes the first pet layer 1, the first organosilicon pressure from top to bottom
Quick layer of silica gel 2, polyurethane acrylic acid paint layer 3, PC/PMMA substrate 4, acrylic glue-line the 5, the 2nd PET6 layers, the second organosilicon
Pressure-sensitive layer of silica gel 7 and third pet layer 8.
Wherein, the 1, the 2nd PET6 layers of first pet layer, third pet layer 8 thickness be respectively 0.025-0.075mm.
Pet layer uses layer for protection after being coated with organic pressure-sensitive gel.
Wherein, the first silicone pressure sensitive layer of silica gel 2 with a thickness of 0.05-0.015mm, protect polyurethane acroleic acid to apply
The bed of material 3 is not scratched using preceding；Second silicone pressure sensitive layer of silica gel 7 with a thickness of 0.01-0.05mm, protect acrylic glue-line
5 are not scratched using preceding.
Wherein, the polyurethane acrylic acid paint layer 3 with a thickness of 0.002-0.02mm, have anti-fingerprint and anti-scratch
Function.
Wherein, the substrate 4 with a thickness of 0.05-0.2mm, it is seen that light transmission rate >=90%.
Wherein, the acrylic glue-line 5 with a thickness of 0.01-0.02mm, substrate 4 and the 2nd PET6 can be fitted in one
It rises.
Substrate 4 used in the present invention is PC/PMMA, because PC/PMMA has good optical transparence and processability；Simultaneously
It can produce the effect of embrittlement after processing.Thickness 0.05-0.2mm is conducive to coating waste water and height is optical.
Anti-fingerprint used in the present invention and anti-scratch layer are polyurethane acroleic acid material, and thickness 0.002-0.02mm facilitates
Reach the hardness and anti-fingerprint effect of glass；
It is of the invention used to use layer glue thickness 0.01-0.05mm, be organic pressure-sensitive gel, with outstanding weatherability and
Performance is pasted, simultaneously noresidue can be fitted in repeatedly on mobile phone screen.
The laminating glue of bilayer used in the present invention is the acrylic acid glue of two-component, is had good optical and weather-proof
Property, it is easy to process during use.
Protective layer glue used in the present invention is organic pressure-sensitive gel, and silica gel, can be to anti-finger with a thickness of 0.005-0.015mm
Lamina carries out good protection, client using when be also convenient for tearing.
Device therefor of the present invention is the production of SKC Limited of South Korea, precision with higher, it can be ensured that the thickness of coating
Spend the good of uniformity and appearance.
In order to prepare above-mentioned flexible glass rupture pressure disc, the present invention also provides a kind of preparation works of flexible glass rupture pressure disc
Skill, specifically includes the following steps:
A, in coating machine, substrate 4 is released from unwinding equipment with the speed of 20m/min, and substrate 4 is coated with by dimple
When head, polyurethane acrylic acid paint layer 3 is coated on the upper surface of substrate 4 by dimple coating head, subsequently into the first oven heat,
First oven is gradually increased from import to outlet temperature, then carries out UV solidification, forms semi-finished product A, rolling machine winding；First
The long 40m of oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C.
B, in coating machine, the 2nd PET6 layers be released from unwinding equipment with the speed of 20m/min, the 2nd PET6 layers warp
When crossing extruded type coating head, the second silicone pressure sensitive layer of silica gel 7 is coated on the 2nd PET6 layers of lower surface by extruded type coating head,
Subsequently into the second oven heat, the second oven is gradually increased from import to outlet, forms semi-finished product B；Meanwhile third pet layer 8
It is released from unwinding equipment with the speed of 20m/min, the lower surface of semi-finished product B and the upper surface of third pet layer 8 are through pressure roller
Fitting is squeezed, semi-finished product B1 is formed；The long 40m of second oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 60 DEG C, 80
℃、150℃、160℃。
C, in coating machine, semi-finished product B1 is released from unwinding equipment with the speed of 20m/min, and semi-finished product B1 is by squeezing
Out when formula coating head, acrylic glue-line 5 is coated on the 2nd PET6 layers of upper surface in semi-finished product B1 by extruded type coating head, so
Enter third oven heat afterwards, third oven is gradually increased from import to outlet temperature, form semi-finished product B2, then should partly at
The upper surface of product B2 is bonded with the lower surface of semi-finished product A by pressure roller extruding, is formed semi-finished product C, is finally wound by winder；The
The long 40m of three ovens, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 80 DEG C, 80 DEG C, 140 DEG C, 160 DEG C.
D, in coating machine, the first pet layer 1 is released from unwinding equipment with the speed of 20m/min, the first pet layer 1 warp
When crossing extruded type coating head, the first silicone pressure sensitive layer of silica gel 2 is coated on the lower surface of the first pet layer 1 by extruded type coating head,
Subsequently into the 4th oven heat, the 4th oven is gradually increased from import to outlet temperature, forms semi-finished product D, then should be partly
The lower surface of finished product D is bonded with the upper surface of semi-finished product C by pressure roller extruding, is prepared into flexible glass rupture pressure disc finished product, and most
It is wound afterwards by winder.The long 40m of 4th oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 80 DEG C, 80 DEG C, 140
℃、160℃。
Wherein, the formula of the polyurethane acrylic acid paint layer 3 is polyurethane acroleic acid, photoinitiator, Organic fluoride surface
Activating agent, ethyl acetate, butyl acetate, weight fraction ratio 50:3:0.05:20:27.Solid content reaches 10-30%.
Wherein, the formula of the acrylic glue-line 5 be acrylic resin, isocyanide acid as curing agent, ethyl acetate, toluene,
Weight fraction ratio is 49:1:25:25.
Wherein, the first silicone pressure sensitive layer of silica gel 2, the second silicone pressure sensitive layer of silica gel 7 formula be methyl silicon rubber
Glue, dimethyl siloxane, platinum catalyst, toluene, weight fraction ratio 5:45:2:58.
The above embodiments are merely illustrative and not limiting of the invention, therefore all according to described in present patent application range
The equivalent change or modification done of method, be included in the scope of the patent application of the present invention.
Claims (4)
1. a kind of preparation process of flexible glass rupture pressure disc, which is characterized in that prepare a kind of flexible glass rupture pressure disc, the flexibility glass
Glass rupture pressure disc successively includes the first pet layer, the first silicone pressure sensitive layer of silica gel, polyurethane acrylic acid paint layer, PC/ from top to bottom
PMMA substrate, acrylic glue-line, the second pet layer, the second silicone pressure sensitive layer of silica gel and third pet layer；First pet layer,
Second pet layer, third pet layer thickness be respectively 0.025-0.075mm；The first silicone pressure sensitive layer of silica gel with a thickness of
0.05-0.015mm, the second silicone pressure sensitive layer of silica gel with a thickness of 0.01-0.05mm；The polyurethane acrylic acid paint layer
With a thickness of 0.002-0.02mm；The substrate with a thickness of 0.05-0.2mm；The acrylic glue-line with a thickness of 0.01-
0.02mm；The preparation process the following steps are included:
A, polyurethane acrylic acid paint layer is coated on to the upper surface of substrate, subsequently into the first oven heat, the first oven from
Import is gradually increased to outlet temperature, then carries out UV solidification, forms semi-finished product A；
B, the second silicone pressure sensitive layer of silica gel is coated on to the lower surface of the second pet layer, subsequently into the second oven heat, second
Oven is gradually increased from import to outlet, forms semi-finished product B；The lower surface of semi-finished product B and the upper surface of third pet layer are through pressing
Roller squeezes fitting, forms semi-finished product B1；
C, acrylic glue-line is coated on to the upper surface of the second pet layer in semi-finished product B1, subsequently into third oven heat,
Three ovens are gradually increased from import to outlet temperature, semi-finished product B2 are formed, then by the upper surface of semi-finished product B2 and semi-finished product A
Lower surface by pressure roller squeeze fitting, formed semi-finished product C；
D, the first silicone pressure sensitive layer of silica gel is coated on to the lower surface of the first pet layer, subsequently into the 4th oven heat, the 4th
Oven is gradually increased from import to outlet temperature, forms semi-finished product D, then by the upper of the lower surface of semi-finished product D and semi-finished product C
Surface squeezes fitting by pressure roller, is prepared into flexible glass rupture pressure disc finished product；
In described step a, b, c, d, the substrate, the second pet layer, semi-finished product B1 and the first pet layer from unwinding equipment with
The speed of 20m/min is released；First oven grows 40 m, and one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 60 DEG C, 80
℃,100℃,120℃；The long 40m of second oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 60 DEG C, 80 DEG C, 150
℃,160℃；The long 40m of third oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 80 DEG C, 80 DEG C, 140 DEG C, 160
℃；The long 40m of 4th oven, one shares 5 sections, and the temperature of each section is followed successively by 30 DEG C, 80 DEG C, 80 DEG C, 140 DEG C, 160 DEG C.
2. a kind of preparation process of flexible glass rupture pressure disc according to claim 1, it is characterised in that: the polyurethane third
The formula of olefin(e) acid dope layer be polyurethane acroleic acid, photoinitiator, organofluoro surfactants, ethyl acetate, butyl acetate,
Weight fraction ratio is 50:3:0.05:20:27.
3. a kind of preparation process of flexible glass rupture pressure disc according to claim 1, it is characterised in that: the acrylic glue
The formula of layer is acrylic resin, isocyanide acid as curing agent, ethyl acetate, toluene, weight fraction ratio 49:1:25:25.
4. a kind of preparation process of flexible glass rupture pressure disc according to claim 1, it is characterised in that: described first,
The formula of two silicone pressure sensitive layer of silica gel is methyl silicone rubber, dimethyl siloxane, platinum catalyst, toluene, parts by weight
Than for 5:45:2:58.
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| KR20220089706A (en) | 2019-10-31 | 2022-06-28 | 다우 실리콘즈 코포레이션 | Silicone pressure sensitive adhesive composition and method of making and using same |
| EP3874004B1 (en) | 2020-01-15 | 2023-10-11 | Dow Silicones Corporation | Silicone pressure sensitive adhesive composition and methods for the preparation and use thereof |
| CN113388219B (en) * | 2021-06-30 | 2022-12-27 | 新纶新材料股份有限公司 | Optical thin film material, flexible explosion-proof film, preparation method of flexible explosion-proof film and electronic equipment |
| CN113913125B (en) * | 2021-10-20 | 2023-03-21 | 江西昊泽光学膜科技有限公司 | Ultra-clear flexible glass protective film and preparation method and application thereof |
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| JP6117478B2 (en) * | 2011-04-22 | 2017-04-19 | 日東電工株式会社 | Adhesive functional film and display device |
| CN202390355U (en) * | 2011-12-09 | 2012-08-22 | 斯迪克新型材料（江苏）有限公司 | Anti-scratching wear-resistance protective film |
| CN103612456B (en) * | 2013-12-04 | 2016-03-16 | 东莞市纳利光学材料有限公司 | A kind of antistatic scratching-resistingprotective protective film and preparation method thereof |
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| CN205498247U (en) * | 2016-04-15 | 2016-08-24 | 东莞市睿泰涂布科技有限公司 | Flexible glass explosion -proof membrane |
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