CN104448726B - The production method that a kind of film-covered iron polyester film is toughness reinforcing - Google Patents
The production method that a kind of film-covered iron polyester film is toughness reinforcing Download PDFInfo
- Publication number
- CN104448726B CN104448726B CN201410627394.3A CN201410627394A CN104448726B CN 104448726 B CN104448726 B CN 104448726B CN 201410627394 A CN201410627394 A CN 201410627394A CN 104448726 B CN104448726 B CN 104448726B
- Authority
- CN
- China
- Prior art keywords
- film
- toughness reinforcing
- covered iron
- polyester film
- production method
- 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.)
- Active
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention discloses the production method that a kind of film-covered iron polyester film is toughness reinforcing, after terephthalic acid (TPA), ethylene glycol, toughness reinforcing monomer and catalyst are proportionally weighed, be sequentially added in reactor according to the order of solid after first liquid, pull an oar 10 20 minutes；Then heat and carry out esterification, when water yield is more than or equal to 90%, completes esterification and be further continued for heating, carry out vacuum polycondensation；Performed polymer after ionic comonomer containing active group, stabilizer and opening agent are added esterification is carried out mix vacuum polycondensation, more water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron；Drawn prepares film-covered iron toughened polymer ester film；Composite is prepared by compound to the polyester film of gained and tinplate.By the way, the present invention improves the adhesive property of polyester film surface and metal sheet surface, adds toughness reinforcing monomer simultaneously, controls the pliability of film by regulating the content of toughness reinforcing monomer；Just well can fit with tinplate surface without adhesive.
Description
Technical field
The present invention relates to field of compound material, particularly relate to the production method that a kind of film-covered iron polyester film is toughness reinforcing.
Background technology
Metallic plate film coating technique is that plastic foil and metallic plate are passed through high temperature hot pressing, by film patch process technology on a metal plate.Film coating technique was born in Japan in 1977, was used primarily for tank processed, can replace interior painting, outer painting technology, have evolved to the multiple fields such as building materials internal and external ornament finishing, household electrical appliances, automobile till now.The feature such as biaxially oriented polyester film mechanical strength height, good in optical property, use temperature is wide, barrier is excellent, oil resistant, corrosion-resistant, low cost, and be widely applied in film-covered iron composite.
The physical property that biaxially oriented polyester film is detailed is shown in Table 1.
Table 1: the performance of biaxial stretching polyester film
But biaxially oriented polyester film is because the strict molecular chain structure of itself, is difficult to without the most bonding with tinplate in the case of processing.Prior art have by add the Third monomer containing active group improve polyester material surface can for bonding, but due to the addition of the 3rd activated monomer, the compliance of polyester material, mechanical property has and declines significantly, is difficulty with through engineering approaches application.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of compliance that can improve polyester film, is suitable for the production method that the film-covered iron polyester film rushing shape and deep processing application in film-covered iron material later stage is toughness reinforcing.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides the production method that a kind of film-covered iron polyester film is toughness reinforcing, comprises the following steps:
1), after terephthalic acid (TPA), ethylene glycol, toughness reinforcing monomer and catalyst proportionally being weighed, homophase mixes；It is sequentially added in reactor according to the order of solid after first liquid, pulls an oar 10-20 minute；Then heat and carry out esterification, when water yield is more than or equal to 90%, completes esterification and be further continued for heating, carry out vacuum polycondensation；
2) performed polymer after the ionic comonomer containing active group, stabilizer and opening agent being added esterification is carried out mix vacuum polycondensation, more water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron；
3) obtained polyester drawn is prepared film-covered iron toughened polymer ester film；
4) composite is prepared by compound to the polyester film of gained and tinplate.
In a preferred embodiment of the present invention, in step 1), toughness reinforcing monomer is containing more than or equal to the long chain diol of 3 carbon atoms or the condensation polymer of straight dihydric alcohol.
In a preferred embodiment of the present invention, in step 1) ratio between each reactant be acid, alcohol mole total amount ratio between 1 ~ 2, wherein, toughness reinforcing content of monomer is less than or equal to the 40% of alcohol gross mass.
In a preferred embodiment of the present invention, in step 1), esterification reaction temperature is between 230 ~ 270 DEG C.
In a preferred embodiment of the present invention, in step 1), catalyst is antimony-based catalyst, germanium series catalysts or Titanium series catalyst, this catalyst content be reactant gross mass ten thousand/to 6/10000ths.
In a preferred embodiment of the present invention, step 2) in, ionic comonomer is containing sulfonic sodium salt ester or containing the one or two kinds of mixture in sulfonic sylvite ester, and described ionic comonomer content is that one of percentage of acid molar content is to 5 percent.
In a preferred embodiment of the present invention, step 2) in, stabilizer is PET polyester synthesis stabilizer phosphoric acid ester, content be reactant gross mass ten thousand/.
In a preferred embodiment of the present invention, step 2) in, described opening agent is one or several in particle diameter 2 μm ~ 6 μm barium sulfate, calcium carbonate or silica, and the content of opening agent is 7th/30000 to ten thousand/10000ths of gross mass.
In a preferred embodiment of the present invention, described condensation temperature is 250 ~ 280 DEG C, and described polycondensation reaction time is 2 ~ 4 hours.
In a preferred embodiment of the present invention, polyester film is hot pressing complex method with the complex method of tinplate.
The invention has the beneficial effects as follows: the present invention is in polyester synthesis by adding the monomer containing active group, to improve the adhesive property of polyester film surface and metal sheet surface, add toughness reinforcing monomer simultaneously, control the pliability of film by regulating the content of toughness reinforcing monomer；Just well can fit with tinplate surface without adhesive.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present invention includes:
The production method that a kind of film-covered iron polyester film is toughness reinforcing, it comprises the following steps:
1) after terephthalic acid (TPA), ethylene glycol, toughness reinforcing monomer and catalyst being weighed according to a certain percentage, liquid and liquid, solid is sequentially added in reactor according to the order of solid after first liquid after mixing mutually with solid, the most toughness reinforcing monomer is the condensation polymer that carbon atom is more than or equal to the straight dihydric alcohol of three atoms, straight dihydric alcohol, such as 1,3-PD, BDO, 1,6-hexylene glycol, heptandiol, certain herbaceous plants with big flowers glycol, diethylene glycol, one contracting propane diols, the polyethylene glycol of different molecular weight.From molecular structure, multiple-CH2-in the middle of long chain diol can increase intermolecular compliance, and wherein alkyd mole total amount ratio is between 1 ~ 2；Toughness reinforcing content of monomer more high tenacity is the biggest, but content is less than the 40% of alcohol total amount；Catalyst such as antimony-based catalyst, germanium series catalysts, Titanium series catalyst, catalyst content be reactant gross mass ten thousand/to 6/10000ths.
After reactant adds, making beating 10 ~ 20 minutes in still, inflated with nitrogen is to 150Kp in still for the first time, aeration speed is 4Kp/min, the most slowly release gas, venting speed is 4Kp/min, with air in nitrogen displacement still, when in still, pressure is normal pressure, continue with identical speed inflated with nitrogen in still, it is charged to pressure 120Kp in still, carry out nitrogen protection, then carry out heating up and be raised to 200 DEG C for the first time, keep 15min, now reach the boiling point of alcohol, purpose is in order to alcohol and acid interface under stress is fully contacted, so that solid acid and liquid alcohol carry out interfacial reaction.
Then it is warmed up between 230 ~ 270 DEG C carry out esterification, period observes the pressure change in still at any time, keep the pressure in still less than 320Kp, water outlet is started when reacting condensing tower temperature more than 138 DEG C, reaction is when water yield reaches more than 90%, go out water speed to be decreased obviously, now complete esterification.
2) ionic comonomer containing active group, stabilizer, opening agent are added mixing vacuum polycondensation in the performed polymer after esterification, ionic comonomer is containing sulfonic sodium salt ester or containing the one or two kinds of mixture in sulfonic sylvite ester, content is the 1% ~ 5% of the molar content of acid, stabilizer is phosphoric acid ester, content be reactant gross mass ten thousand/.Opening agent is one or several in particle diameter 2 μm ~ 6 μm barium sulfate, calcium carbonate and silica.The content of opening agent is 7th/30000 to ten thousand/10000ths of gross mass.Material stirs after adding and is sufficiently mixed for 20 minutes, gradually vacuumizes, and temperature facility is 250 ~ 280 DEG C, vacuum polycondensation 2-4 hour.Stopping stirring, to reaction system inflated with nitrogen, material is discharged to tank, water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron.
3) obtained polyester is prepared film-covered iron toughened polymer ester film through stretch processes.
4) the good composite of hot plyability is prepared by compound to the polyester film of gained and tinplate heat.
Embodiment 1: the production method that a kind of film-covered iron polyester film is toughness reinforcing, it comprises the following steps:
null1) terephthalic acid (TPA)、Ethylene glycol、1,4-butanediol is according to acid alcohol thing mass ratio 1:1.4，Catalyst antimony oxide content is 2/10000ths of gross mass，Liquid and liquid，Solid is sequentially added in reactor according to the order of solid after first liquid after mixing mutually with solid，After reactant adds，Making beating 10 minutes in still，Inflated with nitrogen is to 150Kp in still for the first time，Aeration speed is 4Kp/min，The most slowly release gas，Venting speed is 4Kp/min，With air in nitrogen displacement still，When in still, pressure is normal pressure，Continue with identical speed inflated with nitrogen in still，It is charged to pressure 120Kp in still，Carry out nitrogen protection，Then carry out heating up and be raised to 200 DEG C for the first time，Keep 15min，Then it is warmed up between 250 DEG C carry out esterification，Period observes the pressure change in still at any time，Keep the pressure in still less than 320Kp，Water outlet is started when reacting condensing tower temperature more than 138 DEG C，Reaction is when water yield reaches more than 90%，Go out water speed to be decreased obviously，Now complete esterification.
2) by double for 5-sodium sulfo isophthalate hydroxyl ethyl esters, addition is the molar content 3% of acid, triphenyl addition be reactant gross mass ten thousand/, the silica of particle diameter 3 microns, addition is 3/10000ths of gross mass, adds and mixes vacuum polycondensation in the performed polymer after esterification, and material stirs after adding and is sufficiently mixed for 20 minutes, gradually vacuumize, the speed vacuumized is 2Kp/min, and temperature facility is 260 DEG C, vacuum polycondensation 3 hours.Stopping stirring, to reaction system inflated with nitrogen, material is discharged to tank, water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron.
3) obtained polyester is prepared film-covered iron toughened polymer ester film through stretch processes.
4) the good composite of hot plyability is prepared by compound to the polyester film of gained and tinplate heat.
The quantitative measurement result of the film obtained by method according to embodiment 1 is as shown in the table:
The film iron composite material compound through heat is peeled off not get off according to ASTM B 533-85 standard testing stripping performance, film, and last body ruptures.
Embodiment 2: the production method that a kind of film-covered iron polyester film is toughness reinforcing, it comprises the following steps:
null1) terephthalic acid (TPA)、Ethylene glycol、PEG400 is according to acid alcohol thing mass ratio 1:1.4，Catalyst antimony oxide content is 2/10000ths of gross mass，Liquid and liquid，Solid is sequentially added in reactor according to the order of solid after first liquid after mixing mutually with solid，After reactant adds，Making beating 15 minutes in still，Inflated with nitrogen is to 150Kp in still for the first time，Aeration speed is 4Kp/min，The most slowly release gas，Venting speed is 4Kp/min，With air in nitrogen displacement still，When in still, pressure is normal pressure，Continue with identical speed inflated with nitrogen in still，It is charged to pressure 120Kp in still，Carry out nitrogen protection，Then carry out heating up and be raised to 200 DEG C for the first time，Keep 15min，Then it is warmed up between 260 DEG C carry out esterification，Period observes the pressure change in still at any time，Keep the pressure in still less than 320Kp，Water outlet is started when reacting condensing tower temperature more than 138 DEG C，Reaction is when water yield reaches more than 90%，Go out water speed to be decreased obviously，Now complete esterification.
2) by double for M-phthalic acid-5-potassium sulfonate hydroxyl ethyl esters, addition is the molar content 3% of acid, triphenyl addition be reactant gross mass ten thousand/, the silica of particle diameter 5 microns, addition is 3/10000ths of gross mass, adds and mixes vacuum polycondensation in the performed polymer after esterification, and material stirs after adding and is sufficiently mixed for 20 minutes, gradually vacuumize, the speed vacuumized is 2Kp/min, and temperature facility is 270 DEG C, vacuum polycondensation 3 hours.Stopping stirring, to reaction system inflated with nitrogen, material is discharged to tank, water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron.
3) obtained polyester is prepared film-covered iron toughened polymer ester film through stretch processes.
4) the good composite of hot plyability is prepared by compound to the polyester film of gained and tinplate heat.
The quantitative measurement result of the film obtained by method according to embodiment 2 is as shown in the table:
Wherein, the film iron composite material compound through heat is peeled off not get off according to ASTM B 533-85 standard testing stripping performance, film, and last body ruptures.
Embodiment 3: the production method that a kind of film-covered iron polyester film is toughness reinforcing, it comprises the following steps:
null1) terephthalic acid (TPA)、Ethylene glycol、1.6-heptandiol，According to acid alcohol thing mass ratio 1:1.5，Catalyst titanium oxide content is 2/10000ths of gross mass，Liquid and liquid，Solid is sequentially added in reactor according to the order of solid after first liquid after mixing mutually with solid，After reactant adds，Making beating 20 minutes in still，Inflated with nitrogen is to 150Kp in still for the first time，Aeration speed is 4Kp/min，The most slowly release gas，Venting speed is 4Kp/min，With air in nitrogen displacement still，When in still, pressure is normal pressure，Continue with identical speed inflated with nitrogen in still，It is charged to pressure 120Kp in still，Carry out nitrogen protection，Then carry out heating up and be raised to 200 DEG C for the first time，Keep 15min，Then it is warmed up between 240 DEG C carry out esterification，Period observes the pressure change in still at any time，Keep the pressure in still less than 320Kp，Water outlet is started when reacting condensing tower temperature more than 130 DEG C，Reaction is when water yield reaches more than 90%，Go out water speed to be decreased obviously，Now complete esterification.
2) by double for terephthalic acid (TPA)-5-sodium sulfonate hydroxyl ethyl esters, addition is the molar content 4% of acid, trimethyl phosphate addition be reactant gross mass ten thousand/, the calcium carbonate of particle diameter 3 microns, addition is 3/10000ths of gross mass, adds and mixes vacuum polycondensation in the performed polymer after esterification, and material stirs after adding and is sufficiently mixed for 20 minutes, gradually vacuumize, the speed vacuumized is 2Kp/min, and temperature facility is 265 DEG C, vacuum polycondensation 3 hours.Stopping stirring, to reaction system inflated with nitrogen, material is discharged to tank, water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron.
3) obtained polyester is prepared film-covered iron toughened polymer ester film through stretch processes.
4) the good composite of hot plyability is prepared by compound to the polyester film of gained and tinplate heat.
The quantitative measurement result of the film obtained by method according to embodiment 3 is as shown in the table:
Wherein, the film iron composite material compound through heat is peeled off not get off according to ASTM B 533-85 standard testing stripping performance, film, and last body ruptures.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (9)
1. the production method that a film-covered iron polyester film is toughness reinforcing, it is characterised in that comprise the following steps:
1), after terephthalic acid (TPA), ethylene glycol, toughness reinforcing monomer and catalyst proportionally being weighed, homophase mixes；It is sequentially added in reactor according to the order of solid after first liquid, pulls an oar 10-20 minute；Then heat and carry out esterification, when water yield is more than or equal to 90%, completes esterification and be further continued for heating, form the performed polymer after esterification；
2) performed polymer after the ionic comonomer containing active group, stabilizer and opening agent being added esterification is carried out mix vacuum polycondensation, more water cooled pelletizing obtains the toughness reinforcing polyester of film-covered iron；
3) obtained polyester drawn is prepared film-covered iron toughened polymer ester film；
4) composite is prepared by compound to the polyester film of gained and tinplate；
Toughness reinforcing monomer is containing more than or equal to the long chain diol of 3 carbon atoms or the condensation polymer of straight dihydric alcohol；
Ionic comonomer is containing sulfonic sodium salt ester or containing the one or two kinds of mixture in sulfonic sylvite ester.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that in step 1) ratio between each reactant be alcohol, acid mole total amount ratio between 1 ~ 2, wherein, toughness reinforcing content of monomer is less than or equal to the 40% of alcohol gross mass.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that in step 1), esterification reaction temperature is between 230 ~ 270 DEG C.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterized in that, in step 1), catalyst is antimony-based catalyst, germanium series catalysts or Titanium series catalyst, this catalyst content be reactant gross mass ten thousand/to 6/10000ths.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that step 2) in, described ionic comonomer content is that one of percentage of acid molar content is to 5 percent.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that step 2) in, stabilizer is PET polyester synthesis stabilizer phosphoric acid ester, content be reactant gross mass ten thousand/.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterized in that, step 2) in, described opening agent is one or several in particle diameter 2 μm ~ 6 μm barium sulfate, calcium carbonate or silica, and the content of opening agent is 7th/30000 to ten thousand/10000ths of gross mass.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that described condensation temperature is 250 ~ 280 DEG C, described polycondensation reaction time is 2 ~ 4 hours.
The production method that film-covered iron polyester film the most according to claim 1 is toughness reinforcing, it is characterised in that polyester film is hot pressing complex method with the complex method of tinplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627394.3A CN104448726B (en) | 2014-11-10 | 2014-11-10 | The production method that a kind of film-covered iron polyester film is toughness reinforcing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410627394.3A CN104448726B (en) | 2014-11-10 | 2014-11-10 | The production method that a kind of film-covered iron polyester film is toughness reinforcing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104448726A CN104448726A (en) | 2015-03-25 |
| CN104448726B true CN104448726B (en) | 2016-08-24 |
Family
ID=52895515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410627394.3A Active CN104448726B (en) | 2014-11-10 | 2014-11-10 | The production method that a kind of film-covered iron polyester film is toughness reinforcing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104448726B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910402B (en) * | 2017-12-13 | 2021-08-13 | 宝山钢铁股份有限公司 | Coated iron with extremely low interface bubble rate and manufacturing method thereof |
| CN112111805B (en) * | 2019-06-20 | 2023-03-28 | 中国石油化工股份有限公司 | Preparation method of enhanced PET flat filament |
| CN116023879B (en) * | 2022-12-30 | 2024-07-12 | 芜湖徽氏新材料科技有限公司 | Acoustic adhesive tape and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544750B (en) * | 2009-04-22 | 2011-05-11 | 无锡国能新材料科技有限公司 | Method for preparing polyethylene glycol terephthalate by adopting tackifier |
| CN103753932B (en) * | 2013-12-27 | 2015-02-04 | 天津万华股份有限公司 | Directly-compoundable low-melting-point polyester thin film preparation method for laminated steel |
-
2014
- 2014-11-10 CN CN201410627394.3A patent/CN104448726B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104448726A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Akindoyo et al. | Polyurethane types, synthesis and applications–a review | |
| CN103764714B (en) | By the method that phosphorous catalyst based on titanium prepares (polybutylene terephthalate (PBT)-copolymerization-tetramethylene adipate) in situ | |
| CN104448726B (en) | The production method that a kind of film-covered iron polyester film is toughness reinforcing | |
| CN105504253B (en) | A kind of silicone polyester copolymer resin, silicone polyester copolymer compound substrate membranes and preparation method thereof | |
| JP2013515634A (en) | Thermoplastic molded products containing decorative materials | |
| CN105542138A (en) | Preparation method of polyester chip for solar battery back film | |
| CN103224615A (en) | Alkyd resin composition and preparation method thereof | |
| CN101280055A (en) | High-solid lower-viscosity environment-friendly alkide resin and preparation thereof | |
| CN106084189A (en) | Liquid condition titanium series catalyst and the preparation method using its manufacture polyester polymers | |
| CN110499094B (en) | Graphene-modified waterborne polyurethane anticorrosive paint and preparation method thereof | |
| WO2016108768A1 (en) | Biodegradable copolyester composition | |
| CN109485839A (en) | A method of water-soluble polyester is prepared using three monomer production technology Waste water concentrating material | |
| CN103755931A (en) | Preparation method of coiled material polyester resin and application of coiled material polyester resin in powder coating | |
| CN102585182A (en) | Method for preparing amorphous copolyester by post-consumer polyester | |
| CN110128797A (en) | A kind of biaxially oriented polyester film that high temperature dimensional stability is excellent and its production method | |
| CN102959725A (en) | Biaxially oriented white polyethylene terephthalate film and back protective film for use in solar cell modules | |
| WO2019062428A1 (en) | Polyester segmented copolymer and preparation method therefor and application thereof | |
| CN106188514A (en) | A kind of aqueous tall oil alkyd resin emulsion and preparation method thereof | |
| TWI630221B (en) | Polyester production method | |
| TWI712624B (en) | Acrylic modified polyester resin and preparation method thereof | |
| CN110105553B (en) | Hyperbranched polyester modified itaconic acid-based waterborne light-cured resin and preparation method thereof | |
| CN107245211B (en) | A kind of Anti-scratching blast plastic matrix and preparation method | |
| CN104479116A (en) | Preparation method of poly-terephthalic acid isophthalic acid adipic acid/ butanediol copolyester | |
| CN104479122A (en) | Stable-color fatty-aromatic copolyester and preparation method thereof | |
| CN111073018B (en) | PBT/fluorine film composite film and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 611730 No. 249 binqing Road, south area of Chengdu modern industrial port, Pidu District, Chengdu, Sichuan Patentee after: Chengdu Fuquan New Material Co.,Ltd. Address before: 214000 63 East Ring Road, Yuqi street, Huishan District, Wuxi, Jiangsu Patentee before: HARBIN INSTITUTE OF TECHNOLOGY WUXI Research Institute OF NEW MATERIALS Patentee before: Wuxi Haite New Material Research Institute Co., Ltd |