CN107933055A - Processing technology for rainbow illusion-colour thin-film sheet - Google Patents
Processing technology for rainbow illusion-colour thin-film sheet Download PDFInfo
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- CN107933055A CN107933055A CN201711192068.4A CN201711192068A CN107933055A CN 107933055 A CN107933055 A CN 107933055A CN 201711192068 A CN201711192068 A CN 201711192068A CN 107933055 A CN107933055 A CN 107933055A
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- Prior art keywords
- rainbow
- illusion
- film
- tpu
- film sheet
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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
- B32B37/10—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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
-
- 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
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to chemical field field, specifically, is related to a kind of processing technology for rainbow illusion-colour thin-film sheet, includes the following steps：Step 1：By TPU raw material combination dryings；Step 2：The TPU raw materials of step 1 are added to casting apparatus and are fabricated to casting films；Wherein Screw Extrusion temperature is in casting apparatus：First segment feeding section temperature is set as：170‑185℃；Second segment compression section temperature is set as：180‑205℃；3rd section of discharging section temperature is set as：185‑200℃；Die temperature is：180~195 DEG C；Step 3：The casting films of step 2 are bonded with rainbow film upper and lower surface；Step 4：Cooling winding.The object of the present invention is to provide it is a kind of can direct-on-line fitting, improve production efficiency the processing technology for rainbow illusion-colour thin-film sheet, the rainbow illusion-colour thin-film sheet being prepared by the technique has excellent wear-resisting scratch resistance performance, low temperature resistant ageing-resistant performance, the experience effect of user is added, adds economic benefit.
Description
Technical field
The present invention relates to chemical field, specifically, is related to a kind of processing technology for rainbow illusion-colour thin-film sheet.
Background technology
With the improvement of living standards, people begin look for the thing that some especially attract eyeball, some top grades have
The products such as special decorative effect shoes, bag, packaging material, ornament materials enter our sight, particularly material in recent years
The development in material field so that these new materials constantly emerge in large numbers, such as PET fittings, and PVC fittings have the unreal of colorful effect
Color film or sheet material enter our sight, constantly hit our eyeball, but the illusion-colour diaphragm of these PET or PVC fittings
Material, itself does not have elasticity, and wear-resisting property is also poor, also poor to the adaptability of the use environment of high/low temperature, and
These materials mosts use after paste technique processing, during can discharge VOC, do not meet environment-friendly materials development trend.For this reason, open
Hair one kind meets environmental requirement, and the rainbow illusion-colour thin-film sheet of excellent performance is imperative.
Existing rainbow illusion-colour thin-film sheet generally uses following material and process：1. PET or PVC fitting illusion-colours are thin
Film, these materials it is elastic poor, easily there is scratch in wear-resisting scratch resistance；TPU is bonded using adhesive, can produce VOC.2. using molten
Formulation adhesive or Hot-melt adhesive (being dried after hot melt adhesive dissolving), can produce substantial amounts of VOC during fitting.③
Although rainbow illusion-colour film is especially dazzled, using the product of this technique fitting, appearance transparent is poor, and fantasy coloured effect also can be big
It is big relatively low, influence beauty.
The illusion-colour film of TPU fittings at present is using solvent type adhesive or Hot-melt adhesive (after hot melt adhesive dissolving
Drying), substantial amounts of VOC can be produced during fitting, and using the product of this technique fitting, appearance transparent is poor, unreal
Color effect also can be significantly relatively low, influences beauty, and the fastness of attachment is poor.
The content of the invention
The object of the present invention is to provide it is a kind of can direct-on-line fitting, improve production efficiency and be used for rainbow illusion-colour diaphragm
The processing technology of material, the rainbow illusion-colour thin-film sheet being prepared by the technique have excellent wear-resisting scratch resistance performance, resistance to low
Warm ageing-resistant performance, adds the experience effect of user, adds economic benefit.
Specifically, the technical scheme is that：
A kind of processing technology for rainbow illusion-colour thin-film sheet, includes the following steps：
Step 1：By TPU raw material combination dryings；
Step 2：The TPU raw materials of step 1 are added to casting apparatus and are fabricated to casting films；Wherein screw rod squeezes in casting apparatus
Going out temperature is：First segment feeding section temperature is set as：170-185℃；
Second segment compression section temperature is set as：180-205℃；
3rd section of discharging section temperature is set as：185-200℃；
Die temperature is：180~195 DEG C；
Step 3：The casting films of step 2 are bonded with rainbow film upper and lower surface；
Step 4：Cooling winding.
In the above-mentioned processing technology for rainbow illusion-colour thin-film sheet, the step 1 is specially：By TPU raw materials
4-6h is dried under conditions of 80-90 DEG C.
In the above-mentioned processing technology for rainbow illusion-colour thin-film sheet, the step 1 further includes：Will be dried
TPU raw materials and tackifying resin master batch and other functional additives mix in high speed mixer.
In the above-mentioned processing technology for rainbow illusion-colour thin-film sheet, the thickness of the rainbow film is 16-26 μm；
The thickness of the rainbow illusion-colour thin-film sheet is 30-2000 μm.Specifically, the thickness of rainbow film can with selected as 16um,
18um, 22um, 26um.
In the above-mentioned processing technology for rainbow illusion-colour thin-film sheet, the step 3 is specially：By TPU materials
Extruded from die head, be bonded with illusion-colour film on casting roller, compressed with rubber roller, made double-layer films fitting firm, then adopt
Other one layer of casting films are bonded with opposite side of the same method in rainbow film
Specifically, the TPU raw materials include the polyester-type or polyether-type TPU of 85~95A of hardness of 80~95wt%
The tackifying resin of particle and 3~5wt%；Preferably, the TPU materials further include transparent 1~3wt% of lubrication prescription；Preferably,
The TPU materials further include the anti-reflection master batch of 1~1.5wt%；Preferably, the TPU materials further include 10~15wt%
Fire-retardant master granule, it is preferable that the TPU materials further include the antistatic master granule of 3~5wt%；Preferably, the TPU materials
Material further includes the anti-UV master batches of 6~8wt%.
Beneficial effect：
The TPU film produced using the TPU film material, it is possible to achieve the online fitting of direct illusion-colour TPU film sheet material, subtracts
The discharge of VOC is lacked, the TPU illusion-colour thin-film sheet appearances of fitting are gorgeous, considerably increase production efficiency, reduce and be produced into
This, using the TPU materials of special formulation, the illusion-colour TPU film sheet material attachment fastness after fitting is big, and fastness is good, using TPU materials
Material adds the wear-resisting scratch resistance performance of composite material, and low temperature resistant ageing-resistant performance, adds the experience effect of user, add
Economic benefit.
Embodiment
With reference to embodiment, technical scheme is described in further detail, but is not formed pair
Any restrictions of the present invention.
Embodiment 1
1. the dehumidifying and drying of material：By polyester or polyether-type TPU raw materials, dry drying, temperature are set on dehumidifier first
80 DEG C are put, time 6h.
The mixing of 2.TPU materials：Dry polyester or polyether-type TPU raw materials, tackifying resin master batch, anti-UV agent will have been dried
Master batch, antistatic master granule blending.Above-mentioned each component is uniformly mixed in set ratio using high speed mixer.
Its specific formula is：85 parts by weight of polyester or polyether-type TPU raw materials of hardness 95A, tackifying resin
5 parts by weight of EastmanResin2336 master batches, anti-7 parts by weight of UV agent grain E-1036 master batches, antistatic 3 parts by weight of E-1016 master batches
The processing of 3.TPU casting films curtain coating：Above-mentioned TPU mixed materials are fabricated to casting films by casting apparatus.
Heating mixing is carried out in three big section of screw rod：
First segment feeding section temperature is set as：180℃；
Second segment compression section temperature is set as：1955℃；
3rd section of discharging section temperature is set as：195℃；
Die temperature is：188℃
Casting films are made by being cast processing method.
4. curtain coating TPU film is bonded with illusion-colour film：TPU materials are extruded by set process conditions from die head, are being flowed
Prolong and be bonded on roller with illusion-colour film, compressed with rubber roller, make double-layer films fitting firm.After the completion of being simultaneously bonded, according to both
Fixed process conditions carry out the second face paste conjunction, and the TPU film thickness of two sides fitting can be different.
5. post the winding of rear film：Batched after cooling by certain length.
Embodiment 2：
1. the dehumidifying and drying of material：By polyester or polyether-type TPU raw materials, dry drying, temperature are set on dehumidifier first
90 DEG C are put, time 4h.
The mixing of 2.TPU materials：The polyester-type or polyether-type TPU particles 87% of dry hardness 90A will be dried；Thickening
Resin EastmanResin2336 master batches 4%；Transparent lubrication prescription master batch 3%；Anti- UV master batches E-10366% blendings.It is mixed using high speed
Above-mentioned each component is uniformly mixed by material machine in set ratio.
The processing of 3.TPU casting films curtain coating：Above-mentioned TPU mixed materials are fabricated to casting films by casting apparatus.
Heating mixing is carried out in three big section of screw rod：
First segment feeding section temperature is set as：175℃；
Second segment compression section temperature is set as：185℃；
3rd section of discharging section temperature is set as：190℃；
Die temperature is：190℃
Casting films are made by being cast processing method.
4. curtain coating TPU film is bonded with illusion-colour film：TPU materials are extruded by set process conditions from die head, are being flowed
Prolong and be bonded on roller with illusion-colour film, compressed with rubber roller, make double-layer films fitting firm.After the completion of being simultaneously bonded, according to both
Fixed process conditions carry out the second face paste conjunction, and the type of the TPU film of two sides fitting can be different, simultaneously using polyester-type TPU,
Another side also uses polyester-type TPU；Or one side uses polyester-type TPU, another side uses polyether-type TPU；Or one side uses
Polyether-type TPU, another side also use polyether-type TPU.
5. post the winding of rear film：Batched after cooling by certain length.
Embodiment 3：
1. the dehumidifying and drying of material：By polyester or polyether-type TPU raw materials, dry drying, temperature are set on dehumidifier first
90 DEG C are put, time 5h.
The mixing of 2.TPU materials：The polyester-type or polyether-type TPU particles 80% of dry hardness 88A will be dried；Thickening
Resin EastmanResin2336 master batches 3%；Transparent lubrication prescription master batch 2%；Fire-retardant HY-203 master batches 10%；Antistatic E-1016 is female
Grain 5% is blended.Above-mentioned each component is uniformly mixed in set ratio using high speed mixer.
The processing of 3.TPU casting films curtain coating：Above-mentioned TPU mixed materials are fabricated to casting films by casting apparatus.
Heating mixing is carried out in three big section of screw rod：
First segment feeding section temperature is set as：175℃；
Second segment compression section temperature is set as：180℃；
3rd section of discharging section temperature is set as：200℃；
Die temperature is：180℃
Curtain coating TPU film is made by being cast processing method.
4. curtain coating TPU film is bonded with illusion-colour film：TPU materials are extruded by set process conditions from die head, are being flowed
Prolong and be bonded on roller with illusion-colour film, compressed with rubber roller, make double-layer films fitting firm.The side that line can also be used to be bonded
Method carries out, and once completes the fitting on two sides online.
5. post the winding of rear film：Batched after cooling by certain length.
Embodiment 4
1. the dehumidifying and drying of material：By polyester or polyether-type TPU raw materials, dry drying, temperature are set on dehumidifier first
80 DEG C are put, time 4h.
The mixing of 2.TPU materials：The polyester-type or polyether-type TPU particles 92% of dry hardness 85A will be dried；Thickening
Resin Eastman Resin2336 master batches 3%；Transparent lubrication prescription master batch 3%；Anti-reflection master batch JH-03 1% is blended.It is mixed using high speed
Above-mentioned each component is uniformly mixed by material machine in set ratio.
The processing of 3.TPU casting films curtain coating：Above-mentioned TPU mixed materials are fabricated to casting films by casting apparatus.
Heating mixing is carried out in three big section of screw rod：
First segment feeding section temperature is set as：170℃；
Second segment compression section temperature is set as：205℃；
3rd section of discharging section temperature is set as：185℃；
Die temperature is：195℃
Curtain coating TPU film is made by being cast processing method.
4. curtain coating TPU film is bonded with illusion-colour film：TPU materials are extruded by set process conditions from die head, are being flowed
Prolong and be bonded on roller with illusion-colour film, compressed with rubber roller, make double-layer films fitting firm.The side that line can also be used to be bonded
Method carries out, and once completes the fitting on two sides online.
5. post the winding of rear film：Batched after cooling by certain length.
The sheet material of the present embodiment 1-4 can realize the online fitting of direct illusion-colour TPU film sheet material, reduce the row of VOC
Put, the TPU illusion-colour thin-film sheet appearances of fitting are gorgeous, considerably increase production efficiency, reduce production cost, are matched somebody with somebody using special
The TPU materials of side, the illusion-colour TPU film sheet material attachment fastness after fitting is big, and fastness is good, is added using TPU materials compound
The wear-resisting scratch resistance performance of material, low temperature resistant ageing-resistant performance, adds the experience effect of user, adds economic benefit.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (5)
- A kind of 1. processing technology for rainbow illusion-colour thin-film sheet, it is characterised in that：Include the following steps：Step 1：By TPU raw material combination dryings；Step 2：The TPU raw materials of step 1 are added to casting apparatus and are fabricated to casting films；Screw Extrusion temperature wherein in casting apparatus Spend and be：First segment feeding section temperature is set as：170-185℃；Second segment compression section temperature is set as：180-205℃；3rd section of discharging section temperature is set as：185-200℃；Die temperature is：180~195 DEG C；Step 3：The casting films of step 2 are bonded with rainbow film upper and lower surface；Step 4：Cooling winding.
- 2. the processing technology according to claim 1 for rainbow illusion-colour thin-film sheet, it is characterised in that：The step 1 is specially：TPU raw materials are dried into 4-6h under conditions of 80-90 DEG C.
- 3. the processing technology according to claim 1 for rainbow illusion-colour thin-film sheet, it is characterised in that：The step 1 further includes：By dried TPU raw materials and tackifying resin master batch and other functional additives in high speed mixer Mixing.
- 4. the processing technology according to claim 1 for rainbow illusion-colour thin-film sheet, it is characterised in that：The rainbow The thickness of film is 16-26 μm；The thickness of the rainbow illusion-colour thin-film sheet is 30-2000 μm.
- 5. according to any processing technologys for rainbow illusion-colour thin-film sheet of claim 1-4, it is characterised in that：It is described Step 3 be specially：TPU materials are extruded from die head, is bonded with illusion-colour film on casting roller, is compressed with rubber roller, made Double-layer films fitting is firm, is then bonded other one layer of casting films using opposite side of the same method in rainbow film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711192068.4A CN107933055A (en) | 2017-11-24 | 2017-11-24 | Processing technology for rainbow illusion-colour thin-film sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192068.4A CN107933055A (en) | 2017-11-24 | 2017-11-24 | Processing technology for rainbow illusion-colour thin-film sheet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108659517A (en) * | 2018-05-29 | 2018-10-16 | 广东旭坤新特材料科技有限公司 | One kind is for the saturating lacquer painting protective film basement membranes of TPU high, TPU membrane and preparation method thereof |
| CN115044080A (en) * | 2022-07-11 | 2022-09-13 | 浙江环龙新材料科技有限公司 | Preparation method of high-shading ultrathin TPU film for sunshade film |
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| CN108659517A (en) * | 2018-05-29 | 2018-10-16 | 广东旭坤新特材料科技有限公司 | One kind is for the saturating lacquer painting protective film basement membranes of TPU high, TPU membrane and preparation method thereof |
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| CN115044080A (en) * | 2022-07-11 | 2022-09-13 | 浙江环龙新材料科技有限公司 | Preparation method of high-shading ultrathin TPU film for sunshade film |
| CN115044080B (en) * | 2022-07-11 | 2023-07-11 | 浙江环龙新材料科技有限公司 | Preparation method of high-shading ultrathin TPU film for sunshade film |
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