CN104309253B - Super wide fold-resistant projection curtain and production technology thereof - Google Patents
Super wide fold-resistant projection curtain and production technology thereof Download PDFInfo
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- CN104309253B CN104309253B CN201410476183.4A CN201410476183A CN104309253B CN 104309253 B CN104309253 B CN 104309253B CN 201410476183 A CN201410476183 A CN 201410476183A CN 104309253 B CN104309253 B CN 104309253B
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- 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
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
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- 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
- B32B38/06—Embossing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2307/54—Yield strength; Tensile strength
-
- 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
- B32B2307/552—Fatigue strength
-
- 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
- B32B2457/00—Electrical equipment
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- General Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a super wide fold-resistant projection curtain. The width of the projection curtain is 4800+/-2mm, and the projection curtain is formed by applying a reflecting film to a light shielding film. A routine projection cloth generally adopts PVC resin, a cross-linking agent, a plasticizer, calcium carbonate and other raw materials, and has the disadvantages of easy breaking and low folding fastness, and liquid rubber is added in the calendering formula of the above product to solve the problem of difficult elimination of creases of the projection curtain. The liquid rubber adopts polyurethane liquid rubber, and a result of a lot of experiments shows that the addition of a small amount of the liquid rubber and TPU polyurethane realizes the rapid elimination of the creases generated after folding. The new product has the advantages of folding resistance, strong tensile strength, flame retardation and the like.
Description
Technical field
The present invention relates to a kind of projection screen is and in particular to a kind of ultra-wide fold resistant projection screen.
Background technology
Networked information era makes people become increasingly conspicuous for the needs of shared information and aggregate information, multimedia teaching, business
Business demonstration, modernization meeting room construction, automatically-monitored, home entertaining etc., make Ultra-screen Realtime Projection System become information and pass
One of important means broadcast, projection screen is used in film, office, and home theater, in convention occasion, for showing
Image, the instrument of video file, according to incompletely statistics, the projector equipment market capacity of 2013 China will exceed 5,500,000, China
Become the world's second largest projection consumption market being only second to the U.S..Have the whole world in view, the development prospect of shadow casting technique and equipment is more
It is inestimable, this brings unprecedented opportunities and challenge to projection cloth industry.Projection cloth on market is typically at 3.2 meters
Below door width, the projection cloth of this size, sometimes can not meet the demand of people, such as large-scale open-air activity, film are gone to the countryside work
Disorder of internal organs, needs the projection screen wider using door width.Although the projection screen of ultra-wide have developed on existing market, this
Need when kind of projection screen carries to fold, be difficult to after folding eliminate folding line, its deficiency is that folding quality is poor, tensile strength is low.Mesh
The front development with outdoor amusement, market is in the urgent need to a kind of super-large projection curtain easy to carry, fold resistant.
Content of the invention
For the deficiencies in the prior art, the technical problem to be solved is: provide a kind of easy to carry,
The super-large projection curtain of fold resistant.This projection screen door fabric width, fold resistant, have stronger tensile strength and preferably fire-retardant
Performance.
In order to solve above-mentioned technical problem, the present invention employs the following technical solutions:
A kind of ultra-wide fold resistant projection screen is it is characterised in that door fabric width 4800 ± 2 mm of this projection screen, projection screen
Cloth is formed by one layer of reflectance coating and one layer of photomask laminating, and each parts by weight of raw materials proportioning of described reflectance coating is as follows:
Pvc resin 70～80
Delustring pvc resin 10～20
Dop plasticizer 34～37
Soybean oil 2.6～2.8
Liquid barium zinc stabilizer 4.0～4.4
Nanometer calcium 8～9
Doa cold-proof dose 9～10
Titanium dioxide 19～20
Powder body barium zinc stabilizer 0.4～0.6
Antimony oxide fire retardant 3.5～3.8
Liquid rubber 4～6
Acryl resin 0.4～0.6
Ultramarine colorant 0.100～0.112
The each parts by weight of raw materials proportioning of described photomask is as follows:
Pvc resin 75～85
Delustring pvc 8～12
Dop plasticizer 34～37
Epoxy soybean oil 2.6～2.8
Liquid barium zinc stabilizer 4.0～4.4
Nanometer calcium 8～9
Doa cold-proof dose 9～10
Powder body barium zinc stabilizer 0.4～0.6
Antimony oxide fire retardant 8.0～9.0
Liquid rubber 4～6
Acryl resin 0.2～0.4
Minute surface black material 3.4～3.6
Preferably, the k value 66-68 of described pvc resin, average degree of polymerization is in 1000-1100.
Preferably, reflectance coating each parts by weight of raw materials proportioning is as follows:
Pvc resin 75
Delustring pvc 15
Dop plasticizer 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Rutile titanium white lead 19.2
Powder body barium zinc stabilizer 0.5
Antimony oxide fire retardant 3.6
Liquid rubber 5
Acryl resin 0.5
Ultramarine colorant 0.108
Preferably, photomask each parts by weight of raw materials proportioning is as follows:
Pvc resin 80
Delustring pvc resin 10
Dop plasticizer 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Powder body barium zinc stabilizer 0.5
Antimony oxide fire retardant 8.1
Liquid rubber 5
Acryl resin 0.3
Minute surface black material 3.5
A kind of production technology of ultra-wide fold resistant projection screen is it is characterised in that it comprises the following steps:
1) dispensing: each raw material is carried out weighing dispensing by described weight portion；
2) stir: the raw material preparing is stirred in homogenizer；
3) plastify: by automatic metering system, accurately measure raw material, by the high-speed stirred not less than 360 seconds/car,
Complete to plastify；
4) filter, under screw rod thrust, by sending into main frame after multistorey strainer mesh, strengthen plasticizing simultaneously；
5) cooling and shaping: by four-roll calendaring, carry out tenter-frame technique production, make product reach width requirement, hotting mask is in pressure
After extending, the quick refrigeration molding of cooled wheel, make film contract on cooling；Control calender temperature: 1 180 DEG C ± 10 DEG C of temperature of wheel；
2 150 DEG C ± 10 DEG C of temperature of wheel；3 165 DEG C ± 5 DEG C of temperature of wheel；4 155 DEG C ± 5 DEG C of temperature of wheel；Draw and take 155 DEG C ± 5 DEG C of wheel；
6) batch trimming: coiling speed 30 m/min.
The present invention compared with prior art has the advantages that this product is the warp knit of new generation that independent research produces
Composite, by the improvement of formula and the advantageous embodiment of production equipment, improving the performance of product, having widened should for new product
Use field.Product has a fabric width, fold resistant, stronger tensile strength, the performance such as fire-retardant, thus meeting the sky in this block for the market
In vain, product system domestic initiation.
1st, conventional projection cloth typically adopts the raw material such as pvc resin, cross-linking agent, plasticizer, Calcium Carbonate, and its deficiency is easy
Folding, folding fastness are poor, and for solving to be difficult to eliminate a difficult problem for folding line after projection screen folds, this product adds in calendering formula
Liquid rubber, liquid rubber can adopt polyurethaness liquid rubber, by lot of experiments, adds appropriate liquid rubber and tpu
The folding line that polyurethane produces after can quickly eliminating folding.So, new product is made to have fold resistant, stronger tensile strength, resistance
The performances such as combustion.
2nd, the projection cloth on market, typically below 3.2 width, not can exceed that 3.2 for breaking through foldable projection screen door width
A difficult problem for rice, using ultra-wide four-roll calendaring production line and ultra-wide coating line, and improves in technique, during laminating operation
Hold the indexs such as flatness, temperature, make the door width of product reach 4.8m, flatness is good, can use as convention projection cloth,
And there is folding quality, thus there is good portability, can be applicable to the fields such as film, the audio-visual education programme of movable type.
3rd, on attaching process, produce the embossing rubber roll that projection cloth is equipped with, the rubber roll of this decorative pattern using aiming at, make product
There is after laminating special decorative pattern, enhance the gain performance of product, drop shadow effect is more preferably.
4th, expand application: the wide door width of this product is so that foldable projection screen is applied to large-scale open-air activity
When, using effect is more preferable.Foldable projection screen, due to easy to carry, is widely used in large-scale open-air activity, and film is gone to the countryside work
Disorder of internal organs.More people can be accommodated participate in, meet the market demand.
Specific embodiment
Embodiment 1
A kind of ultra-wide fold resistant projection screen, is made up of one layer of reflectance coating and photomask, through the work such as launching, heating, press
The laminating of skill step forms.The higher pvc resin powder of the preferred k value of raw material, improves the folding quality of projection cloth, due to high-k
Its brightness of film that pvc resin powder is made is more than product requirement value, therefore, by research, adds appropriate delustring pvc resin
Powder, significantly reduces former brightness, makes product reach requirement.It is additionally added the plasticizers such as dop, after so that projection cloth is folded in formula
No folding line, product plasticizing is good, improves folding fastness；The stabilizer adding aborning, prevents it from decomposing change.Addition is received
Rice calcium, because price comparison is low, is added to pvc powder as filler, makes product have good effect, reduce into simultaneously
This, also added doa cold-proof dose and fire retardant, so that product is had preferably cold-proof, fire resistance；Titanium white is added in reflectance coating
Powder, effectively suppresses the permeability of light, has the good drop shadow effect of shading performance.Be also added in material tpu polyurethane and
Liquid rubber, we are after lot of experiments finds the appropriate liquid rubber of addition and tpu polyurethane quickly can eliminate folding
The folding line producing, pliability, elasticity improves.A little essence is added it is therefore an objective to eliminate what pvc film produced after laminating in formula
Chemical odor.
Formula for raw stock is as follows:
Reflectance coating each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 75
Delustring pvc resin powder 15
Dop plasticizer (o-phthalic acid dibutyl ester) 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Rutile titanium white lead 19.2
Barium zinc powder body stabilizer 0.5
Antimony oxide fire retardant 3.6
Liquid rubber 5
Acryl resin (acrylic acid methyl ester .) 0.5
Colorant (essence) 0.02
Colorant (ultramarine) 0.108
Photomask each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 80
Delustring pvc resin 10
Dop plasticizer 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Powder body barium zinc stabilizer 0.5
Antimony oxide fire retardant 8.1
Liquid rubber 5
Acryl resin (acrylic acid methyl ester .) 0.3
Colorant (essence) 0.02
Colorant (minute surface is black) 3.5
Reflective membrane, the production technology of photomask:
--- --- --- plasticizing --- filters ----tentering molding --- cooling --- trimming --- to operation one: feed intake for stirring for metering
Batch
Operation two: film --- --- --- batch for embossing for heating by cooling --- trimming ---
Concrete production technology is as follows:
Operation one
1st, dispensing: each raw material is carried out by weight weigh dispensing；
2nd, stir: the raw material preparing is stirred in homogenizer,
3rd, plastify: by automatic metering system, accurately measure raw material, by the high-speed stirred not less than 360 seconds/car,
Complete to plastify through ten thousand horsepowers.
4th, filter, under screw rod thrust, by multistorey strainer mesh, send into main frame afterwards, strengthen plasticizing simultaneously.
5th, cooling and shaping: by four-roll calendaring, carry out tenter-frame technique production, make product reach ultra-wide and require, hotting mask is in pressure
After extending, the quick refrigeration molding of cooled wheel, make film contract on cooling.Control calender temperature: 1 180 DEG C ± 10 DEG C of temperature of wheel；
2 150 DEG C ± 10 DEG C of temperature of wheel；3 165 DEG C ± 5 DEG C of temperature of wheel；4 155 DEG C ± 5 DEG C of temperature of wheel；Draw and take 155 DEG C ± 5 DEG C of wheel.
6th, batch trimming: coiling speed 30 m/min.
Operation two:
1st, heat: reflective membrane is fitted with photomask, make-up machine temperature: 130 DEG C ± 15 DEG C of facial film preheating wheel, diameter 1500
170 DEG C ± 10 DEG C of bull wheel temperature, 125 DEG C ± 5 DEG C of the bull wheel temperature of diameter 1200.
2nd, it is embossed: bull wheel traction is heated by face counterdie, is produced using projection special roller and rubber wheel embossing.
3rd, cool down: by embossing product out, through five cooling wheels, quick refrigeration shrinks molding.
4th, batch: coiling speed 10 m/min.
Embodiment 2
Formula for raw stock is as follows:
Reflectance coating each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 70
Delustring pvc resin powder 20
Dop plasticizer (o-phthalic acid dibutyl ester) 34
Epoxy soybean oil 2.8
Liquid barium zinc stabilizer 4.0
Nanometer calcium 8
Doa cold-proof dose 10
Rutile titanium white lead 19
Barium zinc powder body stabilizer 0.6
Antimony oxide fire retardant 3.8
Liquid rubber 4
Acryl resin (acrylic acid methyl ester .) 0.6
Colorant (essence) 0.02
Colorant (ultramarine) 0.100
Photomask each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 75
Delustring pvc resin 12
Dop plasticizer 34
Epoxy soybean oil 2.6
Liquid barium zinc stabilizer 4.0
Nanometer calcium 8
Doa cold-proof dose 10
Powder body barium zinc stabilizer 0.6
Antimony oxide fire retardant 8.0
Liquid rubber 4
Acryl resin (acrylic acid methyl ester .) 0.2
Colorant (essence) 0.02
Colorant (minute surface is black) 3.4
Reflective membrane, the production technology of photomask are with embodiment 1.
Embodiment 3
Formula for raw stock is as follows:
Reflectance coating each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 80
Delustring pvc resin powder 10
Dop plasticizer (o-phthalic acid dibutyl ester) 37
Epoxy soybean oil 2.6
Liquid barium zinc stabilizer 4.4
Nanometer calcium 9
Doa cold-proof dose 9
Rutile titanium white lead 20
Barium zinc powder body stabilizer 0.4
Antimony oxide fire retardant 3.5
Liquid rubber 6
Acryl resin (acrylic acid methyl ester .) 0.4
Colorant (essence) 0.02
Colorant (ultramarine) 0.112
Photomask each chemical reagent proportioning is following (per car weight (kg)):
Pvc resin 85
Delustring pvc resin 8
Dop plasticizer 37
Epoxy soybean oil 2.8
Liquid barium zinc stabilizer 4.4
Nanometer calcium 9
Doa cold-proof dose 9
Powder body barium zinc stabilizer 0.4
Antimony oxide fire retardant 9.0
Liquid rubber 6
Acryl resin (acrylic acid methyl ester .) 0.4
Colorant (essence) 0.02
Colorant (minute surface is black) 3.6
Reflective membrane, the production technology of photomask are with embodiment 1.
Product major parameter index:
1st, door width (mm): 4800 ± 2
2nd, α: >=150 ° of effective angle of scattering 2；
3rd, luminance factor β: >=0.85
4th, fire resistance: b1 level
5th, tensile strength (mpa): longitudinally >=15；Laterally >=10；
6th, elongation at break (%): longitudinally >=190；Laterally >=220；
7th, folding fastness (10000 times).
Claims (6)
1. a kind of ultra-wide fold resistant projection screen is it is characterised in that door fabric width 4800 ± 2 mm of this projection screen, projection screen
Formed by one layer of reflectance coating and one layer of photomask laminating, each parts by weight of raw materials proportioning of described reflectance coating is as follows:
Pvc resin 70～80
Delustring pvc resin 10～20
Dop plasticizer 34～37
Soybean oil 2.6～2.8
Liquid barium zinc stabilizer 4.0～4.4
Nanometer calcium 8～9
Doa cold-proof dose 9～10
Titanium dioxide 19～20
Powder body barium zinc stabilizer 0.4～0.6
Antimony oxide fire retardant 3.5～3.8
Liquid rubber 4～6
Acryl resin 0.4～0.6
Ultramarine colorant 0.100～0.112
The each parts by weight of raw materials proportioning of described photomask is as follows:
Pvc resin 75～85
Delustring pvc resin 8～12
Dop plasticizer 34～37
Epoxy soybean oil 2.6～2.8
Liquid barium zinc stabilizer 4.0～4.4
Nanometer calcium 8～9
Doa cold-proof dose 9～10
Powder body barium zinc stabilizer 0.4～0.6
Antimony oxide fire retardant 8.0～9.0
Liquid rubber 4～6
Acryl resin 0.2～0.4
Minute surface black material 3.4～3.6.
2. as claimed in claim 1 a kind of ultra-wide fold resistant projection screen it is characterised in that the k value 66- of described pvc resin
68, average degree of polymerization is in 1000-1100.
3. as claimed in claim 1 a kind of ultra-wide fold resistant projection screen it is characterised in that each raw material weight of described reflectance coating
Part proportioning is as follows:
Pvc resin 75
Delustring pvc resin 15
Dop plasticizer 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Rutile titanium white lead 19.2
Powder body barium zinc stabilizer 0.5
Antimony oxide fire retardant 3.6
Liquid rubber 5
Acryl resin 0.5
Ultramarine colorant 0.108.
4. as claimed in claim 1 a kind of ultra-wide fold resistant projection screen it is characterised in that
Institute's photomask each parts by weight of raw materials proportioning is as follows:
Pvc resin 80
Delustring pvc resin 10
Dop plasticizer 34.5
Epoxy soybean oil 2.7
Liquid barium zinc stabilizer 4.2
Nanometer calcium 9
Doa cold-proof dose 9
Powder body barium zinc stabilizer 0.5
Antimony oxide fire retardant 8.1
Liquid rubber 5
Acryl resin 0.3
Minute surface black material 3.5.
5. as claimed in claim 1 a kind of production technology of ultra-wide fold resistant projection screen it is characterised in that it include following
Step:
1) dispensing: each raw material is carried out weighing dispensing by described weight portion；
2) stir: the raw material preparing is stirred in homogenizer；
3) plastify: by automatic metering system, accurately measure raw material, by the high-speed stirred not less than 360 seconds/car, complete
Plasticizing；
4) filter, under screw rod thrust, by sending into main frame after multistorey strainer mesh, strengthen plasticizing simultaneously；
5) cooling and shaping: by four-roll calendaring, carry out tenter-frame technique production, make product reach width requirement, hotting mask is rolling
After coming, the quick refrigeration molding of cooled wheel, make film contract on cooling；Control calender temperature: 1 180 DEG C ± 10 DEG C of temperature of wheel；2 wheels
150 DEG C ± 10 DEG C of temperature；3 165 DEG C ± 5 DEG C of temperature of wheel；4 155 DEG C ± 5 DEG C of temperature of wheel；Draw and take 155 DEG C ± 5 DEG C of wheel；
6) batch trimming: coiling speed 30 m/min.
6. as claimed in claim 5 a kind of production technology of ultra-wide fold resistant projection screen it is characterised in that it also include with
Lower step:
7) heat: reflective membrane is fitted with photomask, make-up machine temperature: 130 DEG C ± 15 DEG C of facial film preheating wheel, the bull wheel of diameter 1500
170 DEG C ± 10 DEG C of temperature, 125 DEG C ± 5 DEG C of the bull wheel temperature of diameter 1200；
8) it is embossed: bull wheel traction is heated by face counterdie, is produced using projection special roller and rubber wheel embossing；
9) cool down: by embossing product out, through five cooling wheels, quick refrigeration shrinks molding；
10) batch: coiling speed 10 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476183.4A CN104309253B (en) | 2014-09-18 | 2014-09-18 | Super wide fold-resistant projection curtain and production technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476183.4A CN104309253B (en) | 2014-09-18 | 2014-09-18 | Super wide fold-resistant projection curtain and production technology thereof |
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| CN104309253A CN104309253A (en) | 2015-01-28 |
| CN104309253B true CN104309253B (en) | 2017-01-25 |
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| US10156781B2 (en) * | 2015-10-21 | 2018-12-18 | Arovia, Inc. | Spontaneous pop-up display device |
| CN107938375A (en) * | 2017-12-22 | 2018-04-20 | 湖北金龙新材料股份有限公司 | A kind of processing method of the paste polyvinyl chloride cloth with thermoplastic polyurethane coating |
| CN108859294A (en) * | 2018-05-25 | 2018-11-23 | 合肥大麦灯箱器材有限公司 | A kind of ageing-resistant lamp box cloth material and preparation method thereof |
| CN113306222B (en) * | 2021-05-25 | 2023-09-08 | 浙江宇立新材料有限公司 | High-gain projection cloth and production process thereof |
| CN115742505A (en) * | 2022-11-08 | 2023-03-07 | 浙江明士达股份有限公司 | Flexible composite material for improving back surface reflectivity of double-glass photovoltaic panel and preparation method thereof |
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|---|---|---|---|---|
| JP4410054B2 (en) * | 2004-07-30 | 2010-02-03 | 出光興産株式会社 | Light reflecting sheet and molded product thereof |
| CN101117773A (en) * | 2007-09-04 | 2008-02-06 | 叶雪康 | Method for manufacturing high-strength PVC coating waterproof cloth |
| CN101693419B (en) * | 2009-10-19 | 2012-11-07 | 杭州电子科技大学 | Production method of glass fiber mesh and PVC compound enhanced film |
| CN201853063U (en) * | 2010-11-06 | 2011-06-01 | 浙江宇立塑胶有限公司 | Acoustical transmission projection curtain |
| CN103287004A (en) * | 2013-05-28 | 2013-09-11 | 湖北金龙新材料股份有限公司 | Composite impermeable cloth for salt pond and preparation method thereof |
| CN103676440B (en) * | 2013-09-12 | 2015-10-21 | 浙江宇立新材料有限公司 | A kind of monofilament embossing projection cloth production technology |
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2014
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Address after: No. 28 Jiaxing City, Zhejiang province 314419 Haining Maqiao warp knitting industrial park Hongqi Avenue Applicant after: ZHEJIANG YULI NEW MATERIAL CO., LTD. Address before: No. 28 Jiaxing City, Zhejiang province 314419 Haining Maqiao warp knitting industrial park Hongqi Avenue Applicant before: Zhejiang Yuli Plastic Co., Ltd. |
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