CN107141436A - A kind of preparation method of novel electronic product flexible screen base material - Google Patents
A kind of preparation method of novel electronic product flexible screen base material Download PDFInfo
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- CN107141436A CN107141436A CN201710563634.1A CN201710563634A CN107141436A CN 107141436 A CN107141436 A CN 107141436A CN 201710563634 A CN201710563634 A CN 201710563634A CN 107141436 A CN107141436 A CN 107141436A
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- base material
- flexible screen
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- preparation
- screen base
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6492—Lignin containing materials; Wood resins; Wood tars; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2230/00—Compositions for preparing biodegradable polymers
Abstract
A kind of preparation method of novel electronic product flexible screen base material, including following preparation process：A, bagasse brown stock is dissolved in after water breaing up suspension is made, mixed acid and initiator are then added thereto, the suspension of high-crystallinity is made after reaction；B, suspension is centrifuged after solid content is washed, then it is handled using the ultrasonic homogenizer of high pressure, nanoparticle suspension slurry is obtained, isocyanates is added into the slurry that suspends and curing monomer is modified processing, obtains modified Nano and suspend to starch；C, chitosan mixed with catalyst, polymerization inhibitor, chitosan saturated solution is made after low-temperature treatment, nano-scale chitosan then is made through ultrasonic atomizatio freezing processing；D, slurry that modified Nano suspended, nano-scale chitosan and organic solvent are well mixed, drying, excision forming.Raw material resources of the invention are rich and easy to get, have good degradability, are conducive to environmental protection.
Description
Technical field
The invention belongs to technical field of electronic equipment, and in particular to a kind of preparation of novel electronic product flexible screen base material
Method.
Background technology
Flexible screen (OLED), longer and robustness when having lower volume lighter, power consumption, continuation of the journey compared with conventional screen
More high advantage.The successful volume production of flexible screen brings the development to high-end smartphones of new generation and wearable device
Far-reaching influence.According to the report of IHS companies " flexible display technologies and market prediction ", it is contemplated that the year two thousand twenty flexible display it is complete
Ball shipment amount will increase to 7.92 hundred million, and 2013 only have 3,200,000.Same period entirety operating income will be from trivial 100,000 dollars of plays
Increase to 41,300,000,000 dollars.
Screen base is the key component of production flexibility screen, and the requirement to its performance is higher.Flexible OLED is put down with common
Plate OLED maximum difference is exactly that substrate is different with the material of packed part, and traditional OLED material is glass, flexible at present
Oled substrate uses tens to hundreds of microns and is coated with electrically conducting transparent (positive electrode) film, usually tin indium oxide (ITO)
Polyethylene terephthalate (PET) plastic foil of film.But the panel of plastic material is strong except drop resistant ability, can bend folding
Folded outer, the property reformed is not lifted for manufacture craft and substrate performance.Study at present successful OLED base materials also exist efficiency, the life-span,
The deficiency of the several respects such as process operability and cost.In addition, traditional flexible screen base material in production process due to that need to pass through super
High-temperature heating or containing certain noxious material, and it is discarded after deposit in degraded under natural environment it is very slow, it is necessary to
More than years up to ten thousand, subsequent recovery needs industry degraded.
Basic research for flexible screen is concentrated mainly on and improves the efficiency and the performance such as life-span of device and find new
, on improved material.Because the thermal coefficient of expansion of traditional polymer plastic supporting base is higher, the life based on nano-cellulose
Thing laminated film substrate has that thermal coefficient of expansion is low, visible light transmissivity is high and flex capability is good, environment amenable advantage
Flexible screen base material is used as, extensive concern is caused in the application of organic photoelectric subdomains.
The content of the invention
It is an object of the invention to provide a kind of preparation method of novel electronic product flexible screen base material, raw material of the invention
Aboundresources is easy to get, has good degradability, is conducive to environmental protection.
The invention provides following technical scheme：
A kind of preparation method of novel electronic product flexible screen base material, including following preparation process：
A, bagasse brown stock is dissolved in after water breaing up suspension is made, mixed acid and initiator are then added thereto, after reaction
The suspension of high-crystallinity is made；
B, suspension is centrifuged after solid content is washed, then it is handled using the ultrasonic homogenizer of high pressure, obtained
Nanoparticle suspension is starched, and adds isocyanates into the slurry that suspends and curing monomer is modified processing, obtains modified Nano suspension slurry；
C, chitosan mixed with catalyst, polymerization inhibitor, chitosan saturated solution is made after low-temperature treatment, then through ultrasonic atomizatio
Nano-scale chitosan is made in freezing processing；
After d, slurry that modified Nano suspended, nano-scale chitosan and organic solvent are mixed, stir, dried at 80-100 DEG C
It is dry, then carry out excision forming.
It is preferred that, the flexible screen base material includes the raw material of following parts by weight：32-38 parts of bagasse brown stock, mixed acid
5-7 parts, 8-10 parts of initiator, 12-14 parts of isocyanates, 8-10 parts of curing monomer, 27-39 parts of chitosan, 4-7 parts of catalyst,
5-8 parts of 12-14 parts of polymerization inhibitor and organic solvent.
It is preferred that, the mixed acid of the step a is mixed by sulfuric acid and trifluoroacetic acid, the quality of sulfuric acid and trifluoroacetic acid
Than for 22:13.
It is preferred that, the initiator of the step a is 1- hydroxycyclohexyl phenyl ketones 184,2,4,6 (trimethylbenzoyls
Base) any of diphenyl phosphine oxide TPO and 2- hydroxy-2-methyl -1- phenyl -1- acetone 1173 or several mixtures.
It is preferred that, the isocyanates of the step b is hexamethylene diisocyanate HDI, IPDI
IPDI, two cyclohexyl methane diisocyanate H12Any of MDI and cyclohexanedimethyleterephthalate diisocyanate HXDI or several
The mixture planted.
It is preferred that, the curing monomer of the step b is isobornyl thiocyanoacetate acrylate, acrylic acid morpholine, isoprene propylene
Any of acid esters and hydroxy propyl methacrylate or several mixtures.
It is preferred that, the polymerization inhibitor of the step c is 2,6- di-tert-butyl-4-methy phenols BHT, MEHQ MEHQ
With any of hydroquinones HQ or several mixtures.
It is preferred that, the organic solvent of the step d is polypropylene glycol, polycaprolactone glycol, polytetrahydrofuran diol, hexamethylene
Any of alkane dimethanol and hexitol modified polycarbonate glycol or several mixtures.
The beneficial effects of the invention are as follows：
The isocyanates added in flexible screen base material prepared by the present invention has good high temperature resistant and resistance to low temperature, makes system
Standby flexible screen base material will not produce bubble when high temperature low temperature and high relative humidity, it is water stain the problems such as.
The curing monomer that the present invention is added, with higher light transmittance, enhances the vision of the flexible screen base material of preparation
Effect, greatly improves brightness, definition and visible angle that the flexible screen base material of preparation is shown.
Flexible screen base material prepared by the present invention also has good toughness and bonding force.
The present invention is more rich and easy to get from bagasse bleached pulp and two kinds of raw material resources of chitosan, and with good biology
Degradability, is conducive to environmental protection and offal treatment.
Embodiment
Embodiment 1
A kind of preparation method of novel electronic product flexible screen base material, including following preparation process：
A, bagasse brown stock is dissolved in after water breaing up suspension is made, mixed acid and initiator are then added thereto, after reaction
The suspension of high-crystallinity is made；
B, suspension is centrifuged after solid content is washed, then it is handled using the ultrasonic homogenizer of high pressure, obtained
Nanoparticle suspension is starched, and adds isocyanates into the slurry that suspends and curing monomer is modified processing, obtains modified Nano suspension slurry；
C, chitosan mixed with catalyst, polymerization inhibitor, chitosan saturated solution is made after low-temperature treatment, then through ultrasonic atomizatio
Nano-scale chitosan is made in freezing processing；
After d, slurry that modified Nano suspended, nano-scale chitosan and organic solvent are mixed, stir, dried at 100 DEG C, then
Carry out excision forming.
Flexible screen base material includes the raw material of following parts by weight：38 parts of bagasse brown stock, 7 parts of mixed acid, 8 parts of initiator,
5 parts of 14 parts of isocyanates, 10 parts of curing monomer, 39 parts of chitosan, 7 parts of catalyst, 14 parts of polymerization inhibitor and organic solvent.
Step a mixed acid is mixed by sulfuric acid and trifluoroacetic acid, and the mass ratio of sulfuric acid and trifluoroacetic acid is 22:13.
Step a initiator is 1- hydroxycyclohexyl phenyl ketones 184,2,4,6 (trimethylbenzoyl) dipheny oxide
Change the mixture of phosphine TPO and 2- hydroxy-2-methyl -1- phenyl -1- acetone 1173.
Step b isocyanates be hexamethylene diisocyanate HDI, IPDI IPDI, two rings
Dicyclohexylmethane diisocyanate H12MDI and cyclohexanedimethyleterephthalate diisocyanate HXDI mixture.
Step b curing monomer is isobornyl thiocyanoacetate acrylate, acrylic acid morpholine, isoprene acrylate and methyl-prop
The mixture of olefin(e) acid hydroxypropyl acrylate.
Step c polymerization inhibitor is 2,6 di tert butyl 4 methyl phenol BHT, MEHQ MEHQ and hydroquinones
HQ mixture.
Step d organic solvent be polypropylene glycol, polycaprolactone glycol, polytetrahydrofuran diol, cyclohexanedimethanol and
The mixture of hexitol modified polycarbonate glycol.
Embodiment 2
A kind of preparation method of novel electronic product flexible screen base material, including following preparation process：
A, bagasse brown stock is dissolved in after water breaing up suspension is made, mixed acid and initiator are then added thereto, after reaction
The suspension of high-crystallinity is made；
B, suspension is centrifuged after solid content is washed, then it is handled using the ultrasonic homogenizer of high pressure, obtained
Nanoparticle suspension is starched, and adds isocyanates into the slurry that suspends and curing monomer is modified processing, obtains modified Nano suspension slurry；
C, chitosan mixed with catalyst, polymerization inhibitor, chitosan saturated solution is made after low-temperature treatment, then through ultrasonic atomizatio
Nano-scale chitosan is made in freezing processing；
After d, slurry that modified Nano suspended, nano-scale chitosan and organic solvent are mixed, stir, dried at 100 DEG C, then
Carry out excision forming.
Flexible screen base material includes the raw material of following parts by weight：32 parts of bagasse brown stock, 5 parts of mixed acid, 8 parts of initiator,
8 parts of 12 parts of isocyanates, 8 parts of curing monomer, 27 parts of chitosan, 4 parts of catalyst, 12 parts of polymerization inhibitor and organic solvent.
Step a mixed acid is mixed by sulfuric acid and trifluoroacetic acid, and the mass ratio of sulfuric acid and trifluoroacetic acid is 22:13.
Step a initiator is 1- hydroxycyclohexyl phenyl ketones 184,2,4,6 (trimethylbenzoyl) dipheny oxide
Change the mixture of phosphine TPO and 2- hydroxy-2-methyl -1- phenyl -1- acetone 1173.
Step b isocyanates be hexamethylene diisocyanate HDI, IPDI IPDI, two rings
Dicyclohexylmethane diisocyanate H12MDI and cyclohexanedimethyleterephthalate diisocyanate HXDI mixture.
Step b curing monomer is isobornyl thiocyanoacetate acrylate, acrylic acid morpholine, isoprene acrylate and methyl-prop
The mixture of olefin(e) acid hydroxypropyl acrylate.
Step c polymerization inhibitor is 2,6 di tert butyl 4 methyl phenol BHT, MEHQ MEHQ and hydroquinones
HQ mixture.
Step d organic solvent be polypropylene glycol, polycaprolactone glycol, polytetrahydrofuran diol, cyclohexanedimethanol and
The mixture of hexitol modified polycarbonate glycol.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of preparation method of novel electronic product flexible screen base material, it is characterised in that including following preparation process：
A, bagasse brown stock is dissolved in after water breaing up suspension is made, mixed acid and initiator are then added thereto, after reaction
The suspension of high-crystallinity is made；
B, suspension is centrifuged after solid content is washed, then it is handled using the ultrasonic homogenizer of high pressure, obtained
Nanoparticle suspension is starched, and adds isocyanates into the slurry that suspends and curing monomer is modified processing, obtains modified Nano suspension slurry；
C, chitosan mixed with catalyst, polymerization inhibitor, chitosan saturated solution is made after low-temperature treatment, then through ultrasonic atomizatio
Nano-scale chitosan is made in freezing processing；
After d, slurry that modified Nano suspended, nano-scale chitosan and organic solvent are mixed, stir, dried at 80-100 DEG C
It is dry, then carry out excision forming.
2. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
Stating flexible screen base material includes the raw material of following parts by weight：32-38 parts of bagasse brown stock, 5-7 parts of mixed acid, initiator 8-10
Part, 12-14 parts of isocyanates, 8-10 parts of curing monomer, 27-39 parts of chitosan, 4-7 parts of catalyst, 12-14 parts of polymerization inhibitor and have
5-8 parts of machine solvent.
3. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
The mixed acid for stating step a is mixed by sulfuric acid and trifluoroacetic acid, and the mass ratio of sulfuric acid and trifluoroacetic acid is 22:13.
4. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
The initiator for stating step a is (trimethylbenzoyl) the diphenyl phosphine oxide TPO of 1- hydroxycyclohexyl phenyl ketones 184,2,4,6
With any of 2- hydroxy-2-methyl -1- phenyl -1- acetone 1173 or several mixtures.
5. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
The isocyanates for stating step b is hexamethylene diisocyanate HDI, IPDI IPDI, two cyclohexyl methane
Diisocyanate H12Any of MDI and cyclohexanedimethyleterephthalate diisocyanate HXDI or several mixtures.
6. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
The curing monomer for stating step b is isobornyl thiocyanoacetate acrylate, acrylic acid morpholine, isoprene acrylate and hydroxyethyl methacrylate
Any of propyl ester or several mixtures.
7. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
Step c polymerization inhibitor is stated in 2,6 di tert butyl 4 methyl phenol BHT, MEHQ MEHQ and hydroquinones HQ
Any one or several mixtures.
8. a kind of preparation method of novel electronic product flexible screen base material according to claim 1, it is characterised in that institute
The organic solvent for stating step d is polypropylene glycol, polycaprolactone glycol, polytetrahydrofuran diol, cyclohexanedimethanol and hexitol
Any of modified polycarbonate glycol or several mixtures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563634.1A CN107141436A (en) | 2017-07-12 | 2017-07-12 | A kind of preparation method of novel electronic product flexible screen base material |
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| CN201710563634.1A CN107141436A (en) | 2017-07-12 | 2017-07-12 | A kind of preparation method of novel electronic product flexible screen base material |
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| CN107141436A true CN107141436A (en) | 2017-09-08 |
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| CN201710563634.1A Withdrawn CN107141436A (en) | 2017-07-12 | 2017-07-12 | A kind of preparation method of novel electronic product flexible screen base material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115335425A (en) * | 2020-03-30 | 2022-11-11 | Ppg工业俄亥俄公司 | Process for preparing low haze polymer compositions for high refractive index optical materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101512396A (en) * | 2006-08-01 | 2009-08-19 | 光学转变公司 | Oriented polymeric sheets exhibiting dichroism and articles containing the same |
| CN102975248A (en) * | 2012-11-24 | 2013-03-20 | 姚高 | Impregnant composite for treating cellulose material |
| CN105602516A (en) * | 2016-02-19 | 2016-05-25 | 广州市嵩达新材料科技有限公司 | Optical UV glue and preparation method and application thereof |
| CN105754123A (en) * | 2016-05-03 | 2016-07-13 | 广西大学 | Method for preparing flexible screen substrate material |
| CN105949514A (en) * | 2016-05-03 | 2016-09-21 | 广西大学 | Method for preparing nano-crystalline cellulose of flexible screen matrix material |
-
2017
- 2017-07-12 CN CN201710563634.1A patent/CN107141436A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101512396A (en) * | 2006-08-01 | 2009-08-19 | 光学转变公司 | Oriented polymeric sheets exhibiting dichroism and articles containing the same |
| CN102975248A (en) * | 2012-11-24 | 2013-03-20 | 姚高 | Impregnant composite for treating cellulose material |
| CN105602516A (en) * | 2016-02-19 | 2016-05-25 | 广州市嵩达新材料科技有限公司 | Optical UV glue and preparation method and application thereof |
| CN105754123A (en) * | 2016-05-03 | 2016-07-13 | 广西大学 | Method for preparing flexible screen substrate material |
| CN105949514A (en) * | 2016-05-03 | 2016-09-21 | 广西大学 | Method for preparing nano-crystalline cellulose of flexible screen matrix material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115335425A (en) * | 2020-03-30 | 2022-11-11 | Ppg工业俄亥俄公司 | Process for preparing low haze polymer compositions for high refractive index optical materials |
| CN115335425B (en) * | 2020-03-30 | 2023-10-24 | Ppg工业俄亥俄公司 | Method for preparing low haze polymer compositions for high refractive index optical materials |
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Application publication date: 20170908 |