CN107312456A - A kind of liquid crystal circuit protection composition and preparation method thereof - Google Patents
A kind of liquid crystal circuit protection composition and preparation method thereof Download PDFInfo
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
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- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C08L2201/14—Gas barrier composition
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention relates to circuit protection material field, a kind of liquid crystal circuit protection composition and preparation method thereof is disclosed.The liquid crystal circuit protection is made up of with composition the component of following parts by weight：Hydrogenated styrene butadiene block copolymer and 60~70 parts of 10~30 parts of Petropols, 0.5~3.6 part of boron nitride, 10~20 parts of naphthenic oil, main solvent and secondary solvent, 0.3~1 part of fluorine-containing auxiliary agent.Obtained protection composition film intensity becomes big, with good tensile property, tear fracture is difficult, with good barrier, it is possible to increase the humidity resistance of film, had broad application prospects.
Description
Technical field
The present invention relates to circuit protection material field, specifically a kind of liquid crystal circuit protection composition and its preparation
Method.
Background technology
As the world is to the development of information-intensive society, display device as interactive critical component its importance increasingly
Height, liquid crystal display, plasma PDP are shown, organic light emission OLED is shown etc., and a variety of displays flourish.Anisotropy is conductive
Glued membrane (Anisotropic Conductive Film；ACF it is) to be connected display with drive circuit in the way of chemical adhesive
The material got up, the high molecular polymer microballoon for being coated with metal level by surface realizes that Z-direction is conductive, the insulation of X-Y directions, uses
Simple and convenient, easy automation mechanized operation is the indispensable critical material of current flexible connection institute.But, current domestic manufacturer
The intensity of product, film, damp proof moisture resistance, adhesiveness and rippability are poor, are easily broken off, effect is undesirable.
The content of the invention
The present invention is intended to provide a kind of liquid crystal circuit protection composition.
The present invention to achieve the above object, takes following technical scheme to be achieved：
A kind of liquid crystal circuit protection composition, is made up of the component of following parts by weight：Hydrogenated styrene-butadiene block
Copolymer and 10~30 parts of Petropols (hereinafter referred to as SEBS), 0.5~3.6 part of boron nitride, 10~20 parts of naphthenic oil, main solvent
With 60~70 parts of secondary solvent, 0.3~1 part of fluorine-containing auxiliary agent.
Preferably, the fluorine-containing auxiliary agent is flucride siloxane coupling agent.The liquid crystal circuit protection composition institute of the present invention
The film of formation is non-wetable, after adding flucride siloxane coupling agent overall average contact angle can be made to increase rapidly, so that significantly
Ground improves the hydrophobic performance of system, so as to add the strippable property that film is made.
Preferably, the secondary solvent is the one or two kinds of mixture in front three keto-alcohol, hydroxypropyl acrylate, described
Main solvent is preferably that the main solvent is hexahydrotoluene, hexamethylene or n-hexane.Add after front three keto-alcohol, hydroxypropyl acrylate
The viscosity of SEBS hexahydrotoluene solution can be made to decline substantially, to improve operating characteristics.
Preferably, the liquid crystal circuit protection also includes the blue dyes no more than 0.5 parts by weight with composition.So may be used
With the color of the film made by regulation.
Another object of the present invention is to disclose the preparation method of above-mentioned liquid crystal circuit protection composition, including following step
Suddenly：
S 1：By the parts by weight, hydrogenated styrene-butadiene block copolymer is dried at 65~75 DEG C 4 hours with
On；
S2：The hydrogenated styrene handled under stirring to the in the mixed solvent addition of secondary solvent and main solvent through step S1-
Butadiene block copolymer；
S3：It is made to step S2 in mixture and adds other raw materials, is stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
BN is a kind of artificial synthesized non-oxide ceramic material, and it and C2 are isoelectronic specieses, therefore are had with carbon simple substance
Similar crystal structure, BN characteristics also have a lot, shaken with heat resistanceheat resistant, high temperature resistant, high thermal conductivity, anti-oxidant, high resistivity, Gao Jie
Electrical property, self-lubricating, low-density, resistant to chemical etching, good processability, excellent physical chemistry is not infiltrated etc. with various metals
Characteristic.BN, which is added to, can not only give full play to the advantage of BN ceramics in composite, while single-phase BN ceramics can be made up
The mechanical property of materials is relatively low, anti-weathering is poor, obtains the antioxidant coating with Good All-around Property, the heat-resisting composite wood of heat conduction
Material.
Naphthenic oil can be used for the light transmission of raising system, increase the transparency of system.It can be reduced after adding plasticizer
SEBS melt viscosity, beneficial to coating process；Increase SEBS tack and improve low-temperature pliability；And reduce cost.
Petropols play viscosifying action.Due to SEBS non-bindings itself, add can be improved after Petropols cohesive force,
Peel strength and shear strength, increase permanent adhesive intensity, reduce the melt viscosity of mixture, improve by the infiltration of viscous material
Property, improve operating characteristics.
The liquid crystal circuit protection of the present invention is easy to get with raw material needed for composition, and heterogeneous material is added in homogeneous material
Interface, interface meeting absorbability when by external impacts are produced, therefore improves intensity, technological process is simple, cost performance
It is high.Used solvent is environment-protecting and non-poisonous with auxiliary agent, produces highly effective and safe, tailing recoverable is without influenceing the property of product
Can, comply with environmental protection trend.Obtained protection composition film has advantages below：1st, good film forming, appropriateness it is soft
Toughness.2nd, mechanical strength is excellent, and resistance to atmospheric performance is remarkable.3rd, good barrier, the film being made has superior moisture resistance
Energy.
Embodiment
In the embodiment of the present invention, hydrogenated styrene-butadiene block copolymer (SEBS) has purchased from platform rubber (Shanghai) industry
Limit company, model Kraton G 1650；Silane coupler is purchased from Guangzhou Zhong Jie Chemical Industry Science Co., Ltd, model KH-
550；Petropols are purchased from Qingdao Yi Sen Chemical Co., Ltd.s, model LH100-1；Hexahydrotoluene is purchased from Guangzhou Bai Yan chemical industry
Co., Ltd；Naphthenic oil is purchased from Guangzhou Bin Hao Chemical Co., Ltd.s.
In the embodiment of the present invention, viscosity test is carried out according to national standard GB12005.1-89；The measure of mechanical property is according to state
GB/T528-2009 is marked to carry out；Torsion-testing is to be carried out after carrying out press mold sample preparation to sample with torque tester；Infrared spectrum point
Analysis is carried out according to GBT21186-2007 Fourier transformation infrared spectrometers.
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
SEBS is dissolved in hexahydrotoluene, 2g/dl solution is made, delivery time t is measured0=147.50s, takes out
0.01ml, takes 10 parts altogether, and ethyl acetate, isobutyl acetate, front three keto-alcohol, toluene, acrylic acid hydroxypropyl is added dropwise respectively into each part
Ester, 6 kinds of different solvents of butyl acrylate, every kind of solvent are added drop-wise to 0.07mL by 0.01mL, increase 0.01mL every time, measures each
The time of the average outflow of solution is organized, and the delivery time variable quantity of solution is obtained according to following formula, wherein,During for average outflow
Between, t0For 147.50s, r is the variable quantity of delivery time.As a result it is as shown in table 1.
<Table 1>
It can draw, be added in SEBS hexahydrotoluene solution after front three keto-alcohol or hydroxypropyl acrylate, solution
Viscosity decline obvious, illustrate that these three liquid are suitable as the solvent of the system；And ethyl acetate, isobutyl acetate or third
After olefin(e) acid butyl ester is added, mixed system viscosity B coefficent less, is not suitable as the solvent of base soln；In addition, add after toluene,
Mixed system viscosity increases on the contrary, does not have viscosity reduction effect, more illustrates that this few class solution is not suitable as the molten of base soln
Agent.
Embodiment 2
In the hexahydrotoluene solution that Petropols are added to SEBS in different proportions, after the obtained solution film forming of test
Mechanical property, as a result as shown in table 2.It can draw, with the increase of Petropols consumption, sample fracture percentage of total elongation increases
Greatly, tensile strength reduces, and modulus of elasticity reduces, and maximum tensile stress reduces.On the one hand it is the relative molecular mass of Petropols
Relatively low with respect to rubber, Petropols molecule is mixed in rubber molecule interchain and plays lubrication, it is easy to the stretching, extension and motion of chain；It is another
Aspect is due to that molecular resin chain is linear, by the easily extensible orientation of external force.Become after the blending of SEBS and Petropols it is soft and
It is tough, have pliability strong after this kind of mixture film forming, anti-scratch performance is good and is easy to the premium properties such as overall stripping.
<Table 2>
Embodiment 3
In the hexahydrotoluene solution that naphthenic oil is added to SEBS in different proportions, after the obtained solution film forming of test
Mechanical property, as a result as shown in table 3.Can draw, add naphthenic oil after, modulus of elasticity, maximum tensile stress, tensile strength,
Fracture percentage of total elongation reduces.When the addition of naphthenic oil increases to 25% from 0, SEBS maximum tensile stress, stretching is strong
Degree, the amplitude that modulus of elasticity declines is larger, and fracture percentage of total elongation slowly declines；When the addition of naphthenic oil is more than 25%,
SEBS fracture percentage of total elongation is plummeted to 6.09%, under maximum tensile stress, modulus of elasticity are in slow with tensile strength from 9.3%
Drop trend.
<Table 3>
Embodiment 4
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogen handled through step S1 is added under stirring to the in the mixed solvent of 40g front threes keto-alcohol and 30g hexahydrotoluenes
Change styrene-butadiene block copolymer；
S3：It is made to step S2 in mixture and adds 16g Petropols, 10g naphthenic oils, 0.3g KH-550 types silane idol
Join agent, 0.5g boron nitride, be stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Embodiment 5
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogen handled through step S1 is added under stirring to the in the mixed solvent of 30g hydroxypropyl acrylates and 30g hexamethylenes
Change styrene-butadiene block copolymer；
S3：Addition 20g Petropols, 20g naphthenic oils, 1g KH-550 types in mixture is made to step S2 silane coupled
Agent, 1.7g boron nitride, are stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Embodiment 6
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogenation of benzene handled through step S1 is added under stirring to the in the mixed solvent of 35g front threes keto-alcohol and 30g hexamethylenes
Ethylene-butadiene block copolymer；
S3：It is made to step S2 in mixture and adds 14g Petropols, 15g naphthenic oils, 0.6g KH-550 types silane idol
Join agent, 2.6g boron nitride, 0.5g blue dyes, be stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Embodiment 7
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogenation of benzene handled through step S1 is added under stirring to the in the mixed solvent of 30g front threes keto-alcohol and 35g n-hexanes
Ethylene-butadiene block copolymer；
S3：It is made to step S2 in mixture and adds 10g Petropols, 13g naphthenic oils, 0.7g KH-550 types silane idol
Join agent, 1.5g boron nitride, 0.08g blue dyes, be stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Embodiment 8
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogenation of benzene handled through step S1 is added under stirring to the in the mixed solvent of 32g front threes keto-alcohol and 35g n-hexanes
Ethylene-butadiene block copolymer；
S3：It is made to step S2 in mixture and adds 15g Petropols, 18g naphthenic oils, 0.9g KH-550 types silane idol
Join agent, 3.6g boron nitride, 0.08g blue dyes, be stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Comparative example 1
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogen handled through step S1 is added under stirring to the in the mixed solvent of 30g hydroxypropyl acrylates and 30g hexamethylenes
Change styrene-butadiene block copolymer；
S3：Addition 20g Petropols, 20g naphthenic oils, 1g KH-550 types in mixture is made to step S2 silane coupled
Agent, it is stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Comparative example 2
The liquid crystal circuit protection of the present embodiment is made with composition by following steps：
S1：10g hydrogenated styrene-butadiene block copolymers are dried more than 4 hours at 65~75 DEG C；
S2：The hydrogen handled through step S1 is added under stirring to the in the mixed solvent of 30g hydroxypropyl acrylates and 30g hexamethylenes
Change styrene-butadiene block copolymer；
S3：Addition 20g Petropols, 20g naphthenic oils, 1g KH-550 types in mixture is made to step S2 silane coupled
Agent, 1.7g alumina silicate (Al2SiO5), it is stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
Effect example
Film is made in the composition of embodiment 5, comparative example 1 and comparative example 2, the bottle equipped with discoloration silica gel is then sealed
Son, is placed 150 days, the color change for the silica gel that changes colour in observation bottle, as a result as shown in table 4.
Influence of the inorganic filler of table 4 to diaphragm water vapor barrier property
It can be seen from Table 4 that, non-reinforced SEBS films are poor to the water vapor barrier property under natural conditions, 30 days
Interior, existing a small amount of vapor enters in bottle through film, and silica gel color is changed into blue from dark blue, after 90 days, is steamed into the water in bottle
Gas increases, and silica gel is changed into light blue, during by 150 days, silica gel from it is original it is dark blue be changed into that grey violet is red, illustrate that the vapor of film is saturating
The property crossed is good, is unfavorable for playing a part of barrier protection.After filler enhancing is added, the water vapor barrier property of film substantially improves,
Add after alumina silicate, by 90 days, silica gel color was just changed into blue from dark blue, is changed into light blue after 150 days, compared with original, silica gel
The color change time increases, and illustrates the barrier for greatly improving material；And after boron nitride is added, the barrier of film is obtained
Significantly more lifting, silica gel is changed into blue from dark blue, have passed through the long-time span of 150 days, effect will be good than the above two.
This mainly has benefited from the special flaky nanometer structure of boron nitride, modified through surface chemical modification, is added in system and SEBS
Hybrid inorganic-organic is carried out, the barrier showed by its lamellar structure substantially reduces transmitance of the material to moisture.
Because the diameter of boron nitride is very small, Nano grade is reached, material can be improved using its nano effect by being filled into high polymer material
The combination property of material.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, the interest field that the present invention is limited within protection scope of the present invention is included in.
Claims (6)
1. a kind of liquid crystal circuit protection composition, it is characterised in that include the component of following parts by weight：Hydrogenated styrene-fourth two
Alkene block copolymer and 10~30 parts of Petropols, 0.5~3.6 part of boron nitride, 10~20 parts of naphthenic oil, main solvent and auxiliary are molten
60~70 parts of agent, 0.3~1 part of fluorine-containing auxiliary agent.
2. a kind of liquid crystal circuit protection composition according to claim 1, it is characterised in that：The fluorine-containing auxiliary agent be containing
Fluorosilicone coupling agent.
3. a kind of liquid crystal circuit protection composition according to claim 1, it is characterised in that：The secondary solvent is three
One or two kinds of mixture in ketone alcohol, hydroxypropyl acrylate.
4. a kind of liquid crystal circuit protection composition according to claim 1, it is characterised in that：The main solvent is methyl
Hexamethylene, hexamethylene or n-hexane.
5. a kind of liquid crystal circuit protection composition according to claim 1, it is characterised in that：The liquid crystal circuit protection
Also include the blue dyes no more than 0.5 parts by weight with composition.
6. a kind of preparation method of liquid crystal circuit protection composition, it is characterised in that comprise the following steps：
S1：The parts by weight as described in claim 1, by hydrogenated styrene-butadiene block copolymer, drying 4 is small at 65~75 DEG C
When more than；
S2：Hydrogenated styrene-the fourth two handled through step S1 is added under stirring to the in the mixed solvent of secondary solvent and main solvent
Alkene block copolymer；
S3：It is made to step S2 in mixture and adds other raw materials, is stirred until homogeneous；
S4：Insoluble matter is filtered off, is dispensed after deaeration.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757709A (en) * | 2011-04-26 | 2012-10-31 | 奇美实业股份有限公司 | Moisture-proof insulating paint and application thereof |
| CN103571125A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Elastomer nylon coating material as well as preparation method thereof |
| CN104650687A (en) * | 2013-11-21 | 2015-05-27 | 奇美实业股份有限公司 | Moisture-proof Insulating Paint And Application Thereof |
| CN105980505A (en) * | 2014-01-22 | 2016-09-28 | 株式会社钟化 | Polyolefin resin composition for hot melt adhesive, hot melt adhesive film, and laminate |
| CN106318101A (en) * | 2015-06-30 | 2017-01-11 | 奇美实业股份有限公司 | moisture-proof insulating paint and application thereof |
-
2017
- 2017-07-24 CN CN201710607997.0A patent/CN107312456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757709A (en) * | 2011-04-26 | 2012-10-31 | 奇美实业股份有限公司 | Moisture-proof insulating paint and application thereof |
| CN103571125A (en) * | 2012-07-31 | 2014-02-12 | 中国石油化工股份有限公司 | Elastomer nylon coating material as well as preparation method thereof |
| CN104650687A (en) * | 2013-11-21 | 2015-05-27 | 奇美实业股份有限公司 | Moisture-proof Insulating Paint And Application Thereof |
| CN105980505A (en) * | 2014-01-22 | 2016-09-28 | 株式会社钟化 | Polyolefin resin composition for hot melt adhesive, hot melt adhesive film, and laminate |
| CN106318101A (en) * | 2015-06-30 | 2017-01-11 | 奇美实业股份有限公司 | moisture-proof insulating paint and application thereof |
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| CN107312456B (en) | 2020-08-18 |
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