CN208855164U - A kind of easily molded polyester film for in-mold transfer printing - Google Patents
A kind of easily molded polyester film for in-mold transfer printing Download PDFInfo
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- CN208855164U CN208855164U CN201821208602.6U CN201821208602U CN208855164U CN 208855164 U CN208855164 U CN 208855164U CN 201821208602 U CN201821208602 U CN 201821208602U CN 208855164 U CN208855164 U CN 208855164U
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Abstract
The utility model provides a kind of easily molded polyester film for in-mold transfer printing, it is disposed with anti-rainbow coating, hardening coat, upper polyester transparent layer, sandwich layer and lower polyester transparent layer from top to bottom, the upper polyester transparent layer, sandwich layer and lower polyester transparent layer produce basement membrane using the three-layer co-extruded mode of ABC, upper polyester transparent layer, sandwich layer and lower polyester transparent layer thickness proportion are about 1.5:6.5:1.5, and three-layer co-extruded 40-50 μm of basement membrane overall thickness.The utility model applies deployment rainbow coating on hardening coat, rainbow line is generated when reducing transparent hard processing, and improve the binding force of printed patterns and film, it is one layer of special following layer, using the copolyesters lotion of lower-molecular-weight component, ester concentration is copolymerized between 10%-30%, since the refractive index of hardening coat is 1.52, does not generate rainbow line.
Description
Technical field
The utility model relates to one kind more particularly to a kind of easily molded polyester films for in-mold transfer printing.
Background technique
Easily molded polyester film, also referred to as IMD film, IMD are that the decoration sheet for having printed forming is put into injection mould,
Then natural gum is injected at the back side of formed sheet, resin and sheet material is made to be integrally bonded the technology of curing molding, IMD be exactly
Carry out the technology banded of mold insert while injection moulding, product is and decorates that printing material is laminating to be integrally formed, to stereo structure at
Shape product entirety can carry out banding printing, and product is made to achieve the effect that decorative and functionality.Therefore, IMD is to easily molded
Basement membrane proposes very high requirement, generally requires special coating treatment, the easily molded film of domestic demands special import at present, market
Demand is big and urgent.
Easily molded polyester film requires while retaining general polyester film characteristic, big in the coefficient of elasticity of high-temperature field
Amplitude reduction, it is more easily molded；When carrying out printing and metal evaporation, color and gloss must be distinct, it is desirable that are suitble to household electrical appliances, movement
The IMD molding applications such as equipment, automobile interior exterior decorations, building materials, amusement article, therefore first have to solve the elastic problem of film, for
High-end customer should also have the effect of low rainbow, generate rainbow line when reducing transparent hard processing, Tu Bufang rainbow following layer is answered
Match with the refractive index of hardening coat, therefore the Second Problem to be solved is exactly the problem of rainbow schlieren rings decorative effect.
Summary of the invention
In view of the above, it is necessary to a kind of easily molded polyester film for in-mold transfer printing is provided, rise have it is necessary
Hardness and low elasticity, and have anti-rainbow effect.
The technical solution adopted in the utility model is as follows: a kind of easily molded polyester film for in-mold transfer printing, including anti-
Rainbow coating, hardening coat, upper polyester transparent layer, sandwich layer and lower polyester transparent layer, the hardening coat setting are applied in anti-rainbow
Layer lower section, the upper polyester transparent layer are arranged below hardening coat, and the sandwich layer is arranged below upper polyester transparent layer, sandwich layer
For transparent configuration, the lower polyester transparent layer is arranged below sandwich layer.
Further, it is provided with a leafing type protective film above the anti-rainbow coating, is mainly used for the protection of product, makes
Used time peel-away removal, with a thickness of 23-50 μm.
Further, the anti-rainbow coating with a thickness of 1-3 μm.
Further, the hardening coat refractive index is 1.52, with a thickness of 1-3 μm.
Further, the upper polyester transparent layer, sandwich layer and lower polyester transparent layer are produced using the three-layer co-extruded mode of ABC
Basement membrane, upper polyester transparent layer, sandwich layer and lower polyester transparent layer thickness proportion are about 1.5:6.5:1.5, and three-layer co-extruded basement membrane is total
40-50 μm of thickness.
Compared with the prior art, the utility model has the following beneficial effects:
1, the utility model uses aqueous copolyesters coating formulation and technique, is coated with hardening coat online, refractive index is
1.52 left and right；Using the copolyesters lotion of high molecular weight component, ester concentration is copolymerized between 10%-30%, hardening coat can drop
The elasticity of low film improves film hardness.
2, deployment rainbow coating is applied on hardening coat, rainbow line is generated when reducing transparent hard processing, and improve print
The binding force of map brushing case and film is one layer of special following layer, using the copolyesters lotion of lower-molecular-weight component, is copolymerized ester concentration
Between 10%-30%, since the refractive index of hardening coat is 1.52, rainbow line is not generated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the easily molded polyester film described in the utility model for in-mold transfer printing.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
As shown in Figure 1, a kind of easily molded polyester film for in-mold transfer printing, is disposed with anti-rainbow from top to bottom and applies
Layer 1, hardening coat 2, upper polyester transparent layer 3, sandwich layer 4 and lower polyester transparent layer 5, top layer are anti-rainbow coating 1, solve and print
The binding force problem of map brushing case, while having anti-rainbow effect, using the copolyesters lotion of lower-molecular-weight component, the anti-rainbow is applied
Layer 1 with a thickness of 1-3 μm；The hardening coat 2 is arranged below anti-rainbow coating 1, for reducing the elasticity of polyester film, adopts
With the copolyesters lotion of high molecular weight component, 2 refractive index of hardening coat is 1.52, with a thickness of 1-3 μm；The upper polyester is saturating
Bright layer 3 is arranged below hardening coat 2, and upper polyester transparent layer 3 is sliced masterbatch using transparent polyester, does not add silica friction
Agent；The sandwich layer 4 is arranged below upper polyester transparent layer 3, and sandwich layer 4 is transparent configuration and uses neutral polyester masterbatch, does not add
Abrasive silicas is played a supporting role；The lower polyester transparent layer 5 is arranged below sandwich layer 4, and lower polyester transparent layer 5 is adopted
With transparent polyester masterbatch, abrasive silicas is added, the winding performance of film is improved.
It is provided with a leafing type protective film 6 above the anti-rainbow coating 1 as a further improvement of the utility model,
It is mainly used for the protection of product, peel-away removal when use, with a thickness of 23-50 μm.
The upper polyester transparent layer 3, sandwich layer 4 and lower polyester transparent layer 5 produce basement membrane using the three-layer co-extruded mode of ABC,
It indulges and draws again, be coated with hardening coat online, form a film after drying, horizontal drawing, sizing, it is then offline to apply rainbow coating 1 of deploying troops on garrison duty, through drying
Winding afterwards becomes product, and upper polyester transparent layer 3, sandwich layer 4 and lower 5 thickness proportion of polyester transparent layer are about 1.5:6.5:1.5, and three
40-50 μm of overall thickness of co-extrusion basement membrane of layer.
The manufacturing method of the easily molded polyester film is as follows:
1, configure hardening coat masking liquid: hardening coat high molecular weight copolyester host agent and adjuvant ratio are 8:2, wherein being copolymerized
Ester host agent is high-molecular aqueous copolyesters, and adjuvant is the combination of the auxiliary agents such as defoaming agent, levelling agent, dispersing agent, host agent+adjuvant
Total concentration 10%-20%, deionized water account for 80-90%；Host agent and adjuvant ratio are 8:2, i.e. host agent accounts for about total concentration 8%-16%, auxiliary
Agent accounts for about total concentration 2%-4%；
2, configured hardening coat material is coated in the transparent upper table of the three-layer co-extruded basement membrane of ABC using the method being coated with online
On layer, become hardening coat, 10-20g/ square metres of wet coating amount after drying；
3, online coating method: using D-bar applicator roll, and slit spray head is sprayed；
4, it is coated with online after vertical draw, before horizontal drawing；
5, it is dried in horizontal drawing baking oven after line coating, wherein 110 DEG C of drying temperature, drying time about 30 seconds；
6, three-layer co-extruded using ABC, (A layers) of upper polyester transparent layer use transparent polyester slice masterbatch；Sandwich layer (B layers) is adopted
With transparent polyester slice neutrality material；(C layers) of the lower polyester transparent layer polyester slices for using addition abrasive silicas are female
Material, silica concentration 10% is hereinafter, upper polyester transparent layer, sandwich layer and lower polyester transparent layer thickness proportion are about 1.5:6.5:
1.5；
7, prepare the masking liquid of anti-rainbow coating: anti-rainbow coating low molecular weight copolyesters host agent and adjuvant ratio are 8:2, always
Concentration 10%-30%；Wherein copolyesters host agent is the aqueous copolyesters of low molecular weight, and adjuvant is that adjuvant is defoaming agent, levelling agent, dispersion
The combination of the auxiliary agents such as agent, host agent+adjuvant total concentration 10%-30%, i.e. deionized water account for 70-90%；Host agent and adjuvant ratio are 8:
2, i.e. host agent accounts for about total concentration 8%-24%, and adjuvant accounts for about total concentration 2%-6%；
8, the material for obtaining step 7 is coated in above hardening coat, 10-20g/ square metres of wet coating amount；
9, using offline coating method, slot coated mode is coated with 110 DEG C of post-baking temperature, drying time about 40 seconds.
Further, in step 1, the defoaming agent is non-silicone aqueous defoamer, accounts for about total concentration 0.5%-1%；Stream
Flat agent is TEGO aqueous levelling agent, accounts for about total concentration 0.5%-2%；Dispersing agent is the aqueous dispersion containing anchoring group, is accounted for about total
Concentration 0.5%；Stabilizer is the aqueous stabilizer of magnesium stearate class, accounts for about total concentration 0.5%.
It is manufactured using aforesaid way, which reaches following performance, and it compares and sees attached list with conventional products:
Subordinate list: with conventional products contrast table；
Through observation on probation, no rainbow line is generated.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (4)
1. a kind of easily molded polyester film for in-mold transfer printing, it is characterised in that: including anti-rainbow coating, hardening coat, on
Polyester transparent layer, sandwich layer and lower polyester transparent layer, the hardening coat are arranged below anti-rainbow coating, the upper polyester transparent
Layer is arranged below hardening coat, and the sandwich layer is arranged below upper polyester transparent layer, and sandwich layer is transparent configuration, the lower polyester
Hyaline layer is arranged below sandwich layer, and the upper polyester transparent layer, sandwich layer and lower polyester transparent layer are raw using the three-layer co-extruded mode of ABC
Output basement membrane, upper polyester transparent layer, sandwich layer and lower polyester transparent layer thickness proportion are about 1.5:6.5:1.5, three-layer co-extruded base
40-50 μm of film overall thickness.
2. the easily molded polyester film according to claim 1 for in-mold transfer printing, it is characterised in that: the anti-rainbow applies
Layer top is provided with a leafing type protective film, with a thickness of 23-50 μm.
3. the easily molded polyester film according to claim 1 for in-mold transfer printing, it is characterised in that: the anti-rainbow applies
Layer with a thickness of 1-3 μm.
4. the easily molded polyester film according to claim 1 for in-mold transfer printing, it is characterised in that: the hardening coat
Refractive index is 1.52, with a thickness of 1-3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208602.6U CN208855164U (en) | 2018-07-28 | 2018-07-28 | A kind of easily molded polyester film for in-mold transfer printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208602.6U CN208855164U (en) | 2018-07-28 | 2018-07-28 | A kind of easily molded polyester film for in-mold transfer printing |
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| Publication Number | Publication Date |
|---|---|
| CN208855164U true CN208855164U (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821208602.6U Active CN208855164U (en) | 2018-07-28 | 2018-07-28 | A kind of easily molded polyester film for in-mold transfer printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749232A (en) * | 2018-07-28 | 2018-11-06 | 汕头海洋第聚酯薄膜有限公司 | A kind of easily molded polyester film and preparation method thereof for in-mold transfer printing |
-
2018
- 2018-07-28 CN CN201821208602.6U patent/CN208855164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749232A (en) * | 2018-07-28 | 2018-11-06 | 汕头海洋第聚酯薄膜有限公司 | A kind of easily molded polyester film and preparation method thereof for in-mold transfer printing |
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