CN106432773A - PET fragile film and manufacturing method thereof - Google Patents

PET fragile film and manufacturing method thereof Download PDF

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Publication number
CN106432773A
CN106432773A CN201610847512.0A CN201610847512A CN106432773A CN 106432773 A CN106432773 A CN 106432773A CN 201610847512 A CN201610847512 A CN 201610847512A CN 106432773 A CN106432773 A CN 106432773A
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CN
China
Prior art keywords
pet
rupture diaphragm
finished product
fragile
polyester liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610847512.0A
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Chinese (zh)
Inventor
陈世岳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIYANG KINGLABEL ADHESIVE PRODUCTS CO Ltd
ZHONGSHAN KINGLABEL ADHESIVE PRODUCTS CO Ltd
Original Assignee
LIYANG KINGLABEL ADHESIVE PRODUCTS CO Ltd
ZHONGSHAN KINGLABEL ADHESIVE PRODUCTS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by LIYANG KINGLABEL ADHESIVE PRODUCTS CO Ltd, ZHONGSHAN KINGLABEL ADHESIVE PRODUCTS CO Ltd filed Critical LIYANG KINGLABEL ADHESIVE PRODUCTS CO Ltd
Priority to CN201610847512.0A priority Critical patent/CN106432773A/en
Publication of CN106432773A publication Critical patent/CN106432773A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a PET fragile film and a manufacturing method thereof. The PET fragile film comprises a PET fragile substrate layer and an outer layer of a release layer; the outer layer of the release layer coats the PET fragile substrate layer. The manufacturing method includes the following steps: 1) preparing materials, wherein a release film with a flat silicon-coated surface is selected as the PET fragile substrate layer; 2) filtering, wherein the polyester liquid is filtered to remove particulate impurities in the polyester liquid; 3) coating, wherein the release film is subjected to unwinding, and the polyester liquid is coated on the surface of the release film by a coating machine to obtain a PET fragile film semi-finished product; 4) drying, wherein the PET fragile film semi-finished product is dried in an oven; 5) rewinding, wherein the PET fragile film semi-finished product obtained in step 4) is subjected to rewinding to obtain the PET fragile film finished product. The PET fragile film has high transparency, corrosion resistance and thickness stability, and is not prone to deformation.

Description

A kind of PET rupture diaphragm and its manufacture method
Technical field
The present invention relates to polyester film preparation technology field is and in particular to a kind of PET rupture diaphragm and its manufacture method.
Background technology
Polyethylene terephthalate, abbreviation PET, it is high polymer, be dehydrated by ethylene glycol terephthalate Condensation reaction.PET is milky or light yellow, highly crystalline polymer, and surface smooths glossy.Electrical insulating property is excellent Good, or even under high-temperature high-frequency, its electrical property is still preferable.In addition there is good mechanical property, impact strength is other films 3～5 times, folding resistance is good.Oil resistant, resistance to fatty, resistance to diluted acid, diluted alkaline, resistance to most of solvents.P ET has excellent resistance to high and low Warm nature energy, can in 120 DEG C of temperature ranges Long-Time Service, short-period used is resistant to 150 DEG C of high temperature, is resistant to -70 DEG C of low temperature, and high, To its mechanical impact very little during low temperature.Nontoxic, tasteless, wholesomeness is good, can be directly used for packaging for foodstuff.So being directed to The improvement of the properties such as the transparency of PET rupture diaphragm, tolerance level, is the research direction that people pay attention to.
Content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of PET rupture diaphragm, this PET rupture diaphragm is transparent Degree is high, corrosion-resistant, and thickness is stablized it is not easy to deform upon.
For achieving the above object, the present invention adopts the following technical scheme that：A kind of PET rupture diaphragm, described PET rupture diaphragm includes PET fragile base material layer and release layer outer layer；Described release layer external sheath PET fragile base material layer.
A kind of preferred scheme as the present invention：The thickness of described PET fragile base material layer is 0.025～0.188mm.
A kind of preferred scheme as the present invention：The thickness of described release layer outer layer is 0.0006～0.0012mm.
Further object is that providing a kind of manufacture method of PET rupture diaphragm, the method technique simplifies, and manufactures Efficiency high, the frangible film thickness of finished product PET is stable, and transparency is high, corrosion-resistant.
For achieving the above object, the present invention adopts the following technical scheme that：
The manufacture method of above-mentioned PET rupture diaphragm, comprises the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance, by coating machine by polyester liquid spreading on the surface of mould release membrance, obtain PET frangible Film semi-finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking box is divided into three sections, described PET rupture diaphragm Semi-finished product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 80～90 DEG C；Second segment temperature is 100～120 ℃；3rd section of temperature is 110～120 DEG C；
5) wind：To step 4 under conditions of winding tension is 40～50N) the PE T rupture diaphragm semi-finished product that obtain carry out Winding, obtains PET rupture diaphragm finished product.
As a kind of preferred scheme of the present invention, step 3) in, the tension force that described mould release membrance unreels is 30～40N.
As a kind of preferred scheme of the present invention, step 3) in, the pressure by coater head during polyester liquid spreading is 50～60N.
As a kind of preferred scheme of the present invention, step 3) in, the coating weight of described polyester liquid is 4～12g/m2.
The beneficial effects of the present invention is：
1st, the present invention, by the improvement to manufacturing condition and parameter, makes the frangible film thickness of finished product PET stable, transparency is high, Corrosion-resistant, and pass through three sections of drying courses, make the fastness of PET rupture diaphragm high, release layer upper strata and release layer lower floor are not easy to take off Fall, PET rupture diaphragm is applicable to multiple fields；
2nd, PET rupture diaphragm manufacturing approach craft of the present invention simplifies, and manufacture efficiency is high.
Brief description：
Fig. 1 is the structural representation of PET rupture diaphragm of the present invention；
Wherein, 1, PET fragile base material layer；2nd, release layer outer layer.
Specific embodiment
Below, in conjunction with specific embodiment, the present invention is described further：
A kind of PET rupture diaphragm, including PET fragile base material layer 1 and release layer outer layer 2；Described release layer outer layer 2 coats PET Fragile base material layer 1.Wherein, release layer outer layer 2, as protection PET fragile base material layer 1, plays antiseized effect it is adaptable to etch Technique, corrosion resistant erosion degree is strong.
A kind of manufacture method of PET rupture diaphragm, comprises the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；
The thickness of described PET fragile base material layer is 0.025～0.188mm；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance；By coating machine by polyester liquid spreading in the surface of mould release membrance, polyester liquid spreading When coater head pressure be 50～60N, the coating weight of the polyester liquid of described coating is 4～12g/m2, obtain PET rupture diaphragm Semi-finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking box is divided into three sections, described PET rupture diaphragm Semi-finished product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 80～90 DEG C；Second segment temperature is 100～120 ℃；3rd section of temperature is 110～120 DEG C；
The coating of polyester liquid forms release layer outer layer, and the thickness of release layer outer layer is 0.0006～0.0012mm；
5) wind：To step 4 under conditions of winding tension is 40～50N) the PE T rupture diaphragm semi-finished product that obtain carry out Winding, obtains PET rupture diaphragm finished product.
Specific embodiment：
Embodiment 1
A kind of manufacture method of PET rupture diaphragm, comprises the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；The thickness of described PET fragile base material layer Spend for 0.03mm；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance；By coating machine by polyester liquid spreading in the surface of mould release membrance, polyester liquid spreading When coater head pressure be 50N, the coating weight of the polyester liquid of described coating is 4g/m2, obtain PET rupture diaphragm semi-finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking oven is divided into three sections, described PET rupture diaphragm Semi-finished product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 80 DEG C；Second segment temperature is 100 DEG C；3rd section Temperature is 120 DEG C；
The coating of polyester liquid forms release layer outer layer, and the thickness of release layer outer layer is 0.0006mm；
5) wind：To step 4 under conditions of winding tension is for 40N) the PET rupture diaphragm semi-finished product that obtain wind, Obtain PET rupture diaphragm finished product.
The thickness of the PET rupture diaphragm being obtained by embodiment 1 is：0.031mm, surface tension：38mN/m, light transmittance is 98.7%.
Embodiment 2
A kind of manufacture method of PET rupture diaphragm, comprises the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；The thickness of described PET fragile base material layer Spend for 0.1mm；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance；By coating machine by polyester liquid spreading in the surface of mould release membrance, polyester liquid spreading When coater head pressure be 55N, the coating weight of the polyester liquid of described coating is 8g/m2, obtain PET rupture diaphragm semi-finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking box is divided into three sections, described PET rupture diaphragm Semi-finished product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 85 DEG C；Second segment temperature is 110 DEG C；3rd section Temperature is 120 DEG C；
The coating of polyester liquid forms release layer outer layer, and the thickness of release layer outer layer is 0.0008mm；
5) wind：To step 4 under conditions of winding tension is for 45N) the PET rupture diaphragm semi-finished product that obtain wind, Obtain PET rupture diaphragm finished product.
The thickness of the PET rupture diaphragm being obtained by embodiment 2 is：0.1015mm, surface tension：45mN/m, light transmittance is 99.1%.
Embodiment 3
A kind of manufacture method of PET rupture diaphragm, comprises the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；
The thickness of described PET fragile base material layer is 0.18mm；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance；By coating machine by polyester liquid spreading in the surface of mould release membrance, polyester liquid spreading When coater head pressure be 60N, the coating weight of the polyester liquid of described coating is 10g/m2, obtain PET rupture diaphragm semi-finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking box is divided into three sections, described PET rupture diaphragm Semi-finished product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 90 DEG C；Second segment temperature is 105 DEG C；3rd section Temperature is 115 DEG C；
The coating of polyester liquid forms release layer outer layer, and the thickness of release layer outer layer is 0.0012mm；
5) wind：To step 4 under conditions of winding tension is for 50N) the PET rupture diaphragm semi-finished product that obtain wind, Obtain PET rupture diaphragm finished product.
The thickness of the PET rupture diaphragm being obtained by embodiment 3 is：0.182mm, surface tension：59mN/m, light transmittance is 98.8%.
For a person skilled in the art, can technical scheme as described above and design, make other each Plant corresponding change and deform, and all these changes and deforms the protection model that all should belong to the claims in the present invention Within enclosing.

Claims (7)

1. a kind of PET rupture diaphragm it is characterised in that：Described PET rupture diaphragm includes PET fragile base material layer and release layer outer layer；Institute State release layer external sheath PET fragile base material layer.
2. PET rupture diaphragm as claimed in claim 1 it is characterised in that：The thickness of described PET fragile base material layer be 0.025～ 0.188mm.
3. PET rupture diaphragm as claimed in claim 1 it is characterised in that：The thickness of described release layer outer layer be 0.0006～ 0.0012mm.
4. a kind of manufacture method of described PET rupture diaphragm as arbitrary in claim 1-3 is it is characterised in that comprise the following steps：
1) get the raw materials ready：Choose and apply the smooth mould release membrance of silicon face as PET fragile base material layer；
2) filter：Polyester liquid is filtered, is removed granule foreign therein；
3) it is coated with：Unreel mould release membrance, by coating machine by polyester liquid spreading on the surface of mould release membrance, obtain PET rupture diaphragm half Finished product；
4) dry：PET rupture diaphragm semi-finished product are put in baking box and dries；Described baking box is divided into three sections, and described PET rupture diaphragm half becomes Product sequentially pass through every section of baking box；The first paragraph temperature of wherein baking box is 80～90 DEG C；Second segment temperature is 100～120 DEG C；The Three sections of temperature are 110～120 DEG C；
5) wind：To step 4 under conditions of winding tension is 40～50N) the PET rupture diaphragm semi-finished product that obtain wind, Obtain PET rupture diaphragm finished product.
5. PET rupture diaphragm as claimed in claim 4 manufacture method it is characterised in that：Step 3) in, described mould release membrance unreels Tension force be 30～40N.
6. PET rupture diaphragm as claimed in claim 4 manufacture method it is characterised in that：Step 3) in, by polyester liquid spreading When coater head pressure be 50～60N.
7. PET rupture diaphragm as claimed in claim 4 manufacture method it is characterised in that：Step 3) in, described polyester liquid Coating weight is 4～12g/m2.
CN201610847512.0A 2016-09-23 2016-09-23 PET fragile film and manufacturing method thereof Pending CN106432773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610847512.0A CN106432773A (en) 2016-09-23 2016-09-23 PET fragile film and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610847512.0A CN106432773A (en) 2016-09-23 2016-09-23 PET fragile film and manufacturing method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107181060A (en) * 2017-06-09 2017-09-19 中山金利宝胶粘制品有限公司 UHF RFID antenna, preparation method and its RFID tag of application
CN107933039A (en) * 2017-11-02 2018-04-20 湖北德威包装科技有限公司 A kind of high tenacity paper handkerchief film and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020380A (en) * 2007-01-16 2007-08-22 杭州布基胶粘衬布有限公司 Wet glucing and coating process
CN203472238U (en) * 2013-09-11 2014-03-12 厦门恒坤精密工业有限公司 Outer decorative explosion-proof film
CN204820559U (en) * 2015-05-21 2015-12-02 周宏亮 Release film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020380A (en) * 2007-01-16 2007-08-22 杭州布基胶粘衬布有限公司 Wet glucing and coating process
CN203472238U (en) * 2013-09-11 2014-03-12 厦门恒坤精密工业有限公司 Outer decorative explosion-proof film
CN204820559U (en) * 2015-05-21 2015-12-02 周宏亮 Release film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张朋等: "PET离型膜的应用及发展", 《信息记录材料》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107181060A (en) * 2017-06-09 2017-09-19 中山金利宝胶粘制品有限公司 UHF RFID antenna, preparation method and its RFID tag of application
CN107933039A (en) * 2017-11-02 2018-04-20 湖北德威包装科技有限公司 A kind of high tenacity paper handkerchief film and preparation method thereof

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Application publication date: 20170222