CN104139536A - Production method of polyester film - Google Patents
Production method of polyester film Download PDFInfo
- Publication number
- CN104139536A CN104139536A CN201410286739.3A CN201410286739A CN104139536A CN 104139536 A CN104139536 A CN 104139536A CN 201410286739 A CN201410286739 A CN 201410286739A CN 104139536 A CN104139536 A CN 104139536A
- Authority
- CN
- China
- Prior art keywords
- antistatic
- polyester film
- large bright
- production method
- pet chips
- 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.)
- Granted
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to a production method of a polyester film. The production method comprises the following steps of (1) respectively feeding an antistatic super-bright polyester slice at an upper surface layer, an antistatic super-bright polyester slice at a lower surface layer and a super-bright polyester slice at an intermediate core layer into a three-layer co-extrusion bi-directional stretching device; (2) extruding and melting modified super-bright polyester slices at the upper surface layer and the lower surface layer and the super-bright polyester slice at the intermediate core layer at the temperature of 260 to 280 DEG C to obtain a melt, cooling the melt and casting the cooled melt to generate PET pieces at the temperature of less than 30 DEG C; (3) preheating the cast PET pieces, longitudinally stretching at the temperature of 80 to 100 DEG C, cooling, and setting the cooled PET pieces at the temperature of less than 35 DEG C; (4) then preheating the PET pieces, and transversely stretching at the temperature of 86 to 110 DEG C, setting and crystallizing the set PET pieces at the temperature of 150 to 200 DEG C; and (5) finally removing waste edges of the PET pieces, performing corona treating on the PET pieces, detecting the thickness of each PET piece, and coiling the PET pieces to form the antistatic polyester film with the thickness of 23 to 75 micrometers. Nano zinc oxide is chemically grafted into a PBT (polybutylece terephthalate) material, so that the antistatic effect of a product can be improved.
Description
Technical field
The present invention relates to polyester film manufacturing technology, it relates to a kind of anlistatig polyester film preparation method.
Background technology
Biaxially oriented polyester film BOPET film is as the cladding material of boiling packaging bag. and conventional thickness is 12 μ m.
BOPET film tool has the following advantages:
1. good mechanical performance, and good rigidly, intensity is high.
2. cold-resistant, excellent heat resistance. the temperature range of adaptation is-70～150 ℃.
3. well block water, choke and fragrance protectiveness.
4. there is good antistatic behaviour, easily carry out vacuum aluminum-coatedly, can be coated with PVDC, thereby improve the adhesive force of its heat sealability, barrier and printing;
5. grease resistance and most of solvent, weak acid akaline liquid.
The shortcoming of BOPET film is that puncture resistance is poor.Owing to there being polar group in molecular structure, after sided corona treatment, the surface tension of BOPET film can reach B2mN/m a little, to printing and compound all very favourable.When with BOPET film and the compound rear bag of other heat-sealable materials (as CPP film), the temperature of which ten white hot knife is up to 220～C, and BOPET film can not melt distortion yet, can not glue cutter, is conducive to carrying out smoothly of composite membrane bag technique.Sometimes, also can produce the combined package bag of BOPA//BOPET//CPP structure, now all will to carry out gluing with adhesive compound on the two sides of BOPET film, so, should select the two-sided BOPET film that all passes through sided corona treatment. and more than two-sided surface tension all will reach 50mN/m, firm to guarantee two-sided bonding.
So antistatic film, as a commercial variety of functional plastic packing film, extremely people pay close attention to, and have obtained very fast development.
Particularly household electrical appliance, lamp ornaments lighting, Fashion and Accessories, computer, precision instrument etc. of packaging market, increasing to the demand of anti-static polyester film in recent years.In addition anti-static polyester film is also widely used in Advertisement label, highway transportation, security protection industry, electrical industry and is used as label etc.Therefore carry out the development of anti-static polyester film, can greatly promote the technical merit of China's mylar industry, improve the technological element of a product and added value, further optimize the structure of production, the structural adjustment of promotion industry, for enterprise creates good economic benefit, to improving, people produce and living standard is significant simultaneously.
Summary of the invention
The present invention is directed to the rolling of polyester film in prior art and cut, easily produce static in Downstream processing, product use procedure and gather shortcomings such as causing inconvenience and potential safety hazard, a kind of production method of polyester film is provided.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A production method for polyester film, its concrete steps are:
(1) the antistatic large bright PET chips of upper epidermis is, the large bright PET chips of the antistatic large bright PET chips on lower top layer and intermediate core layer is sent into respectively three-layer co-extruded biaxial tension equipment (being three-layer co-extruded bidirectional stretching production line);
The material quality percentage of described antistatic large bright PET chips is:
Antistatic type PBT section 5～10%
PEN section 1～3%
Large bright PET chips surplus
(2) the large bright PET chips of the antistatic large bright PET chips on upper and lower top layer and intermediate core layer is extruded to melting at 260～280 ℃, melt generates PET sheet material through 30 ℃ of following cooling slabs;
(3) the PET sheet material of casting is through 80～100 ℃ of preheating longitudinal stretchings and 35 ℃ of following temperature cooling and shapings;
(4) PET sheet material is again by 86～110 ℃ of preheating cross directional stretch and 150～200 ℃ of sizing crystallization treatment;
(5) finally by crossing traction, remove slitter edge, sided corona treatment, detection thickness and carry out again rolling and batch the anti-static polyester film that makes thickness 23um～75um.
Described intermediate core layer, is extruded by main extruder-single screw extrusion machine;
Described upper epidermis and lower top layer, by auxiliary extruder---double screw extruder is extruded.
The quality of materials ratio that described main extruder and two auxiliary extruders are extruded is 50～80: 10～25: 10～25.
The preparation method of described antistatic large bright PET chips, its concrete steps are:
(1), the surface treatment of nano zine oxide
Nano zine oxide is dissolved in alcohol solvent, and the concentration of nano zine oxide in ethanol is 45～55kg/m
3, it is 8.3～8.8 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane to react; After having reacted, carry out centrifugation, solid is carried out to vacuum drying and prepare amidized nano zine oxide;
The concentration of described nano zine oxide in ethanol is 50kg/m
3.
(2), with the just generation of polymers of carboxylic acid-terminated CBT
CBT powder is heated to 180～200 ℃, and then adds the glutaric acid of bio-based, add catalyst dihydroxy alkyl stannic chloride simultaneously, carry out the end carboxylated of CBT, the reaction time is 10～15min, obtains the first polymers with carboxylic acid-terminated CBT;
Described catalyst is dihydroxy alkyl stannic chloride.
Described catalyst amount accounts for 0.55～0.75 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.2～1: 1.4, are preferably 1: 1.3.
Described CBT powder has CBT160 to pulverize preparation; CBT is white solid particle at normal temperatures, when temperature reaches 190 ℃, can become the liquid that water is the same, and under identical viscosity, the viscosity of PBT is its 5000 times.And CBT and nylon have good compatibility, and wettability is strong.When being heated to 220 ℃, can there is in-situ polymerization, generate PBT material.
The glutaric acid of described bio-based, obtains glutaric acid from biological decomposition, is conducive to environmental protection;
(3), the in-situ polymerization of Antistatic type PBT
Just polymers heating of CBT prepared by step (two), temperature range is 210～240 ℃, and the amidized nano zine oxide that adds step () to prepare reacts, the reaction time is 2～4h, and then in-situ polymerization, prepares Antistatic type PBT;
Described amidized nano zine oxide accounts for 0.4～0.8% of CBT powder and glutaric acid gross mass.
Nano zine oxide is passed through to chemical graft method in PBT material, be conducive to improve the antistatic effect of product, and better with PET section compatibility.
(4), the preparation of antistatic large bright PET chips
The material quality percentage of antistatic large bright PET chips is:
Antistatic type PBT section 5～10%
PEN section 1～3%
Large bright PET chips surplus
By Antistatic type PBT section, PEN cuts into slices and has large light polyester slice to mix, and through melt extruding, obtains antistatic large bright PET chips.
In the market of polyester slice, the printed words such as " having greatly light ", " half delustring " and " having light " are all for the titanium dioxide (TiO in polyester slice
2) content.Content of titanium dioxide in (Yizheng Fiber Optical plant is also called " super have the light ") polyester slice that " has greatly light " is zero; Content of titanium dioxide in the polyester slice that " has light " is 0.10%; Content of titanium dioxide in " half delustring " polyester slice is (0.32 ± 0.03) %; Content of titanium dioxide in " full-dull " polyester slice is 2.4%～2.5%.PET is PETG.
In anti-static polyester film system of the present invention, take zinc oxide as the anti-stick additive that connects, replace the anti-stick additive that connects of original polyester film employing as silica, titanium dioxide, barium sulfate, calcium phosphate, high territory etc., the antistatic effect of anti-static polyester film determines by 1 physical property, i.e. specific insulation or surface resistivity.They depend on the number of film surface organic metal cationic particle.Adopt organic metal cation and synthetic antistatic adhesion-resistant polyester slice and the super bright PET chips of PET of silica, then apply special source materials formula and production technology and prepare anti-static polyester film, can effectively solve film and easily produce electrostatic problem.By adopting three-layer co-extruded stretch processes, control the main and auxiliary extruder ratio of film, thereby arrive, control thin film crystallization speed, by stretching, shaping and last handling process, to make the anti-static polyester film of high gloss, high transmission rate.In order to control the production stability of film, the concrete technology parameters such as the ratio of longitudinal stretching, cross directional stretch, temperature and air quantity, infrared heating power are adjusted, finally to obtain the anti-static polyester film product of target call simultaneously.
Accompanying drawing explanation
The reaction equation of Fig. 1 Antistatic type PBT.
The specific embodiment
Below in conjunction with the specific embodiment, the present invention is described in further detail:
Embodiment 1
A production method for polyester film, its concrete steps are:
(1) the antistatic large bright PET chips of upper epidermis is, the large bright PET chips of the antistatic large bright PET chips on lower top layer and intermediate core layer is sent into respectively three-layer co-extruded biaxial tension equipment (being three-layer co-extruded bidirectional stretching production line);
The material quality percentage of described antistatic large bright PET chips is:
Antistatic type PBT section 5%
PEN section 1%
Large bright PET chips 94%
(2) the large bright PET chips of the antistatic large bright PET chips on upper and lower top layer and intermediate core layer is extruded to melting at 260～280 ℃, melt generates PET sheet material through 30 ℃ of following cooling slabs;
(3) the PET sheet material of casting is through 80～100 ℃ of preheating longitudinal stretchings and 35 ℃ of following temperature cooling and shapings;
(4) PET sheet material is again by 86～110 ℃ of preheating cross directional stretch and 150～200 ℃ of sizing crystallization treatment;
(5) finally by crossing traction, remove slitter edge, sided corona treatment, detection thickness and carry out again rolling and batch the anti-static polyester film that makes thickness 23um～75um.
Described intermediate core layer, is extruded by main extruder-single screw extrusion machine;
Described upper epidermis and lower top layer, by auxiliary extruder---double screw extruder is extruded.
The quality of materials ratio that described main extruder and two auxiliary extruders are extruded is 50: 25: 25.
The preparation method of described antistatic large bright PET chips, its concrete steps are:
(1), the surface treatment of nano zine oxide
Nano zine oxide is dissolved in alcohol solvent, and the concentration of nano zine oxide in ethanol is 45kg/m
3, it is 8.3 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane to react; After having reacted, carry out centrifugation, solid is carried out to vacuum drying and prepare amidized nano zine oxide;
(2), with the just generation of polymers of carboxylic acid-terminated CBT
CBT powder is heated to 180～200 ℃, and then adds the glutaric acid of bio-based, add catalyst dihydroxy alkyl stannic chloride simultaneously, carry out the end carboxylated of CBT, the reaction time is 10～15min, obtains the first polymers with carboxylic acid-terminated CBT;
Described catalyst is dihydroxy alkyl stannic chloride.
Described catalyst amount accounts for 0.55 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.2.
(3), the in-situ polymerization of Antistatic type PBT
Just polymers heating of CBT prepared by step (two), temperature range is 210～240 ℃, and the amidized nano zine oxide that adds step () to prepare reacts, the reaction time is 2～4h, and then in-situ polymerization, prepares Antistatic type PBT;
Described amidized nano zine oxide accounts for 0.4% of CBT powder and glutaric acid gross mass.
Nano zine oxide is passed through to chemical graft method in PBT material, be conducive to improve the antistatic effect of product, and better with PET section compatibility.
(4), the preparation of antistatic large bright PET chips
By Antistatic type PBT section, PEN cuts into slices and has large light polyester slice to mix, and through melt extruding, obtains antistatic large bright PET chips.
Embodiment 2
A production method for polyester film, its concrete steps are:
(1) the antistatic large bright PET chips of upper epidermis is, the large bright PET chips of the antistatic large bright PET chips on lower top layer and intermediate core layer is sent into respectively three-layer co-extruded biaxial tension equipment (being three-layer co-extruded bidirectional stretching production line);
The material quality percentage of described antistatic large bright PET chips is:
Antistatic type PBT section 8%
PEN section 2%
Large bright PET chips 90%
(2) the large bright PET chips of the antistatic large bright PET chips on upper and lower top layer and intermediate core layer is extruded to melting at 260～280 ℃, melt generates PET sheet material through 30 ℃ of following cooling slabs;
(3) the PET sheet material of casting is through 80～100 ℃ of preheating longitudinal stretchings and 35 ℃ of following temperature cooling and shapings;
(4) PET sheet material is again by 86～110 ℃ of preheating cross directional stretch and 150～200 ℃ of sizing crystallization treatment;
(5) finally by crossing traction, remove slitter edge, sided corona treatment, detection thickness and carry out again rolling and batch the anti-static polyester film that makes thickness 23um～75um.
Described intermediate core layer, is extruded by main extruder-single screw extrusion machine;
Described upper epidermis and lower top layer, by auxiliary extruder---double screw extruder is extruded.
The quality of materials ratio that described main extruder and two auxiliary extruders are extruded is 66: 17: 17.
The preparation method of described antistatic large bright PET chips, its concrete steps are:
(1), the surface treatment of nano zine oxide
Nano zine oxide is dissolved in alcohol solvent, and the concentration of nano zine oxide in ethanol is 50kg/m
3, it is 8.6 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane to react; After having reacted, carry out centrifugation, solid is carried out to vacuum drying and prepare amidized nano zine oxide;
(2), with the just generation of polymers of carboxylic acid-terminated CBT
CBT powder is heated to 180～200 ℃, and then adds the glutaric acid of bio-based, add catalyst dihydroxy alkyl stannic chloride simultaneously, carry out the end carboxylated of CBT, the reaction time is 10～15min, obtains the first polymers with carboxylic acid-terminated CBT;
Described catalyst is dihydroxy alkyl stannic chloride.
Described catalyst amount accounts for 0.65 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.3.
(3), the in-situ polymerization of Antistatic type PBT
Just polymers heating of CBT prepared by step (two), temperature range is 210～240 ℃, and the amidized nano zine oxide that adds step () to prepare reacts, the reaction time is 2～4h, and then in-situ polymerization, prepares Antistatic type PBT;
Described amidized nano zine oxide accounts for 0.6% of CBT powder and glutaric acid gross mass.
(4), the preparation of antistatic large bright PET chips
By Antistatic type PBT section, PEN cuts into slices and has large light polyester slice to mix, and through melt extruding, obtains antistatic large bright PET chips.
Embodiment 3
A production method for polyester film, its concrete steps are:
(1) the antistatic large bright PET chips of upper epidermis is, the large bright PET chips of the antistatic large bright PET chips on lower top layer and intermediate core layer is sent into respectively three-layer co-extruded biaxial tension equipment (being three-layer co-extruded bidirectional stretching production line);
The material quality percentage of described antistatic large bright PET chips is:
Antistatic type PBT section 10%
PEN section 3%
Large bright PET chips 87%
(2) the large bright PET chips of the antistatic large bright PET chips on upper and lower top layer and intermediate core layer is extruded to melting at 260～280 ℃, melt generates PET sheet material through 30 ℃ of following cooling slabs;
(3) the PET sheet material of casting is through 80～100 ℃ of preheating longitudinal stretchings and 35 ℃ of following temperature cooling and shapings;
(4) PET sheet material is again by 86～110 ℃ of preheating cross directional stretch and 150～200 ℃ of sizing crystallization treatment;
(5) finally by crossing traction, remove slitter edge, sided corona treatment, detection thickness and carry out again rolling and batch the anti-static polyester film that makes thickness 23um～75um.
Described intermediate core layer, is extruded by main extruder-single screw extrusion machine;
Described upper epidermis and lower top layer, by auxiliary extruder---double screw extruder is extruded.
The quality of materials ratio that described main extruder and two auxiliary extruders are extruded is 80: 10: 10.
The preparation method of described antistatic large bright PET chips, its concrete steps are:
(1), the surface treatment of nano zine oxide
Nano zine oxide is dissolved in alcohol solvent, and the concentration of nano zine oxide in ethanol is 55kg/m
3, it is 8.8 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane to react; After having reacted, carry out centrifugation, solid is carried out to vacuum drying and prepare amidized nano zine oxide;
(2), with the just generation of polymers of carboxylic acid-terminated CBT
CBT powder is heated to 180～200 ℃, and then adds the glutaric acid of bio-based, add catalyst dihydroxy alkyl stannic chloride simultaneously, carry out the end carboxylated of CBT, the reaction time is 10～15min, obtains the first polymers with carboxylic acid-terminated CBT;
Described catalyst is dihydroxy alkyl stannic chloride.
Described catalyst amount accounts for 0.75 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.4.
(3), the in-situ polymerization of Antistatic type PBT
Just polymers heating of CBT prepared by step (two), temperature range is 210～240 ℃, and the amidized nano zine oxide that adds step () to prepare reacts, the reaction time is 2～4h, and then in-situ polymerization, prepares Antistatic type PBT;
Described amidized nano zine oxide accounts for 0.8% of CBT powder and glutaric acid gross mass.
(4), the preparation of antistatic large bright PET chips
By Antistatic type PBT section, PEN cuts into slices and has large light polyester slice to mix, and through melt extruding, obtains antistatic large bright PET chips.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (10)
1. a production method for polyester film, is characterized in that, concrete steps are:
(1) the antistatic large bright PET chips of upper epidermis, the antistatic large bright PET chips on lower top layer and the large bright PET chips of intermediate core layer are sent into respectively three-layer co-extruded biaxial tension equipment (being three-layer co-extruded bidirectional stretching production line);
The material quality percentage of described antistatic large bright PET chips is:
Antistatic type PBT section 5～10%
PEN section 1～3%
Large bright PET chips surplus
(2) by the antistatic large bright PET chips of upper epidermis, the antistatic large bright PET chips on lower top layer and the large bright PET chips of intermediate core layer are extruded melting at 260～280 ℃, and melt generates PET sheet material through 30 ℃ of following cooling slabs;
(3) the PET sheet material of casting is through 80～100 ℃ of preheating longitudinal stretchings and 35 ℃ of following temperature cooling and shapings;
(4) PET sheet material is again by 86～110 ℃ of preheating cross directional stretch and 150～200 ℃ of sizing crystallization treatment;
(5) finally by crossing traction, remove slitter edge, sided corona treatment, detection thickness carries out rolling again and batches the anti-static polyester film that makes thickness 23um～75um.
2. the production method of a kind of polyester film as claimed in claim 1, is characterized in that, described intermediate core layer, is extruded by main extruder-single screw extrusion machine.
3. the production method of a kind of polyester film as claimed in claim 1, is characterized in that, described upper epidermis and lower top layer, by auxiliary extruder---double screw extruder is extruded.
4. the production method of a kind of polyester film as described in claim 1 or 2 or 3, is characterized in that, the quality of materials ratio that described main extruder and two auxiliary extruders are extruded is 50～80: 10～25: 10～25.
5. the production method of a kind of polyester film as claimed in claim 1, is characterized in that, the preparation method of described antistatic large bright PET chips, and its concrete steps are:
(1), the surface treatment of nano zine oxide
Nano zine oxide is dissolved in alcohol solvent, and the concentration of nano zine oxide in ethanol is 45～55kg/m
3, it is 8.3～8.8 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane to react; After having reacted, carry out centrifugation, solid is carried out to vacuum drying and prepare amidized nano zine oxide;
(2), with the just generation of polymers of carboxylic acid-terminated CBT
(3), the in-situ polymerization of Antistatic type PBT
(4), the preparation of antistatic large bright PET chips
The material quality percentage of antistatic large bright PET chips is:
Antistatic type PBT section 5～10%
PEN section 1～3%
Large bright PET chips surplus
By Antistatic type PBT section, PEN cuts into slices and has large light polyester slice to mix, and through melt extruding, obtains antistatic large bright PET chips.
6. the production method of a kind of polyester film as claimed in claim 5, is characterized in that, in described step (), the concentration of described nano zine oxide in ethanol is 50kg/m
3.
7. the production method of a kind of polyester film as claimed in claim 5, it is characterized in that, in described step (two), generation with the first polymers of carboxylic acid-terminated CBT: CBT powder is heated to 180～200 ℃, and then add the glutaric acid of bio-based, and add catalyst dihydroxy alkyl stannic chloride simultaneously, carry out the end carboxylated of CBT, reaction time is 10～15min, obtains the first polymers with carboxylic acid-terminated CBT.
8. the production method of a kind of polyester film as claimed in claim 7, is characterized in that, described catalyst amount accounts for 0.55～0.75 ‰ of CBT powder and glutaric acid gross mass;
Described CBT powder and the mol ratio of glutaric acid are 1: 1.2～1: 1.4, are preferably 1: 1.3.
9. the production method of a kind of polyester film as claimed in claim 5, it is characterized in that, in described step (three), the in-situ polymerization of Antistatic type PBT: just polymers heating of CBT prepared by step (two), temperature range is 210～240 ℃, and the amidized nano zine oxide that adds step () to prepare reacts, and the reaction time is 2～4h, and then in-situ polymerization, prepare Antistatic type PBT.
10. the production method of a kind of polyester film as claimed in claim 9, is characterized in that, described amidized nano zine oxide accounts for 0.4～0.8% of CBT powder and glutaric acid gross mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286739.3A CN104139536B (en) | 2014-06-17 | 2014-06-17 | Production method of polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286739.3A CN104139536B (en) | 2014-06-17 | 2014-06-17 | Production method of polyester film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104139536A true CN104139536A (en) | 2014-11-12 |
| CN104139536B CN104139536B (en) | 2015-07-08 |
Family
ID=51848947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410286739.3A Active CN104139536B (en) | 2014-06-17 | 2014-06-17 | Production method of polyester film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139536B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945859A (en) * | 2015-05-06 | 2015-09-30 | 福建百宏高新材料实业有限公司 | Biaxial stretching production method of polyester film containing titanium catalyst |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152584A (en) * | 2010-12-16 | 2011-08-17 | 浙江强盟实业股份有限公司 | Nano fluorescent invisible anti-counterfeit polyester film with high permeability and preparation method thereof |
| CN103740064A (en) * | 2013-12-11 | 2014-04-23 | 沈太英 | Modified polyester film and production method thereof |
-
2014
- 2014-06-17 CN CN201410286739.3A patent/CN104139536B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152584A (en) * | 2010-12-16 | 2011-08-17 | 浙江强盟实业股份有限公司 | Nano fluorescent invisible anti-counterfeit polyester film with high permeability and preparation method thereof |
| CN103740064A (en) * | 2013-12-11 | 2014-04-23 | 沈太英 | Modified polyester film and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945859A (en) * | 2015-05-06 | 2015-09-30 | 福建百宏高新材料实业有限公司 | Biaxial stretching production method of polyester film containing titanium catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104139536B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015165363A1 (en) | Material for 3d printing and preparation method therefor and product thereof | |
| CN103692748B (en) | A kind of optical polyester film | |
| CN106125172A (en) | A kind of diffusion barrier and preparation method thereof | |
| JP6496307B2 (en) | Coextruded multilayer polyester film with hydrolytic stability and improved delamination resistance | |
| CN104781318B (en) | Mold release film | |
| CN108481868A (en) | Wear-resisting hot melt composite membrane of Anti-scratching and preparation method thereof | |
| CN103879113B (en) | A kind of modification Multifunctional polyester film and preparation method | |
| CN103756526A (en) | Antistatic aqueous coating liquid | |
| CN201904042U (en) | Removable high temperature resistant label material | |
| KR20110109741A (en) | Thermo-shrinkable polyester mono-layer film | |
| CN108794867A (en) | Polyethylene film masterbatch, blown film polyethylene composition and preparation method thereof | |
| CN1836884A (en) | Method for manufacturing oriented plastic film | |
| CN102108193A (en) | White polyester film to be coated on surface of metal sheet and manufacturing method thereof | |
| CN103358634A (en) | Puncture-resistant five-layer co-extrusion polyester film and preparation method thereof | |
| CN104139536B (en) | Production method of polyester film | |
| CN109177402A (en) | A kind of radium-shine BOPP precoating basement membrane and preparation method thereof | |
| CN102093682A (en) | Light polylactic acid composite material and preparation method thereof | |
| CN103483777A (en) | Multifunctional polyester film and preparing method thereof | |
| CN106519592A (en) | Engineering plastic with high surface and high performance and preparing method thereof | |
| WO2012137632A1 (en) | Method for producing transparent recycled sheet, and transparent recycled sheet | |
| KR101685181B1 (en) | Uv-absorbable and heat shrinkable polyester film and preparation method thereof | |
| CN103818070A (en) | White polyester film and preparation method thereof | |
| CN110254018A (en) | A kind of color double-face anti-static polyester film and preparation method thereof | |
| CN106550800A (en) | Polyolefin awning film and preparation method thereof | |
| CN110387053A (en) | Preparation process, antibacterial mould-proof-type crosslinking heat shrink films and its preparation process of antibacterial and mouldproof master batch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |