CN108264869A - A kind of waterproof buffering glue, preparation method and application process - Google Patents
A kind of waterproof buffering glue, preparation method and application process Download PDFInfo
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- CN108264869A CN108264869A CN201711462721.4A CN201711462721A CN108264869A CN 108264869 A CN108264869 A CN 108264869A CN 201711462721 A CN201711462721 A CN 201711462721A CN 108264869 A CN108264869 A CN 108264869A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
- C08L2205/20—Hollow spheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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- Engineering & Computer Science (AREA)
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- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to adhesive technical fields, and in particular to a kind of waterproof buffering glue, preparation method and application process, waterproof buffering glue include the raw material of following parts by weight：Ethylene-vinyl acetate copolymer, thermoplastic polyurethane, polystyrene thermoplastic elastomer, polymer hollow microsphere, tackifying resin, surface modifier, filler, solvent；Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.The waterproof buffering glue of the present invention is made by adding in foaming and intumescing microballoon in the feed, without using azo chemical foaming agent, gas is evenly distributed in waterproof buffers glue, is used to prepare the waterproof buffering adhesive band of various thickness, particularly ultra-thin waterproof buffering adhesive band of the thickness below 100 μm.The application process of the present invention, the coating process used is simple, does not need to the working condition and equipment of harshness, is particularly suitable for scale of mass production, has good economic benefit.
Description
Technical field
The present invention relates to adhesive technical fields, and in particular to a kind of waterproof buffering glue, preparation method and application side
Method.
Background technology
In terms of the bumper and absorbing shock of electronic product, the particularly damping of electronic display, mobile phone screen bottom needs occurred frequently
Multiplying power, highly-flexible elasticity, the fabulous ultra-thin cushioning materials of resiliency are steeped, to eliminate between touch module because being generated during segment difference
Newton's ring, while play waterproof, sealing the effects that.Since people chase after ultra thin handset and the continuous of flexible display apparatus technology
It asks, proposes thinner requirement to the thickness of waterproof buffering adhesive band at present.
The performance that foam tape at this stage is reduced foaming under the high temperature conditions using azo chemical foaming agent mostly, system
Into the hole-closing structure in PE, EVA, PU material, thus with waterproof cushion performance, but it is constrained to the pole of processing technology precision
Limit, foam type adhesive tape most thin at this stage can only accomplish 100~150 μm, and expensive, for example, Japanese ponding 5220, day
The 571 ultra-thin PE foam tapes of series in east, also most emerging ultra-thin PU foam tapes made of polyurethane material on the market,
Less than 100 μm are not all accomplished.
Invention content
In order to overcome shortcoming and defect in the prior art, one of the objects of the present invention is to provide a kind of waterproofs to delay
Glue is rushed, is made by adding in foaming and intumescing microballoon in the feed, is used to prepare the waterproof buffering adhesive band of various thickness, especially
It is ultra-thin waterproof buffering adhesive band of the thickness below 100 μm.
The second object of the present invention is to provide a kind of preparation method of waterproof buffering glue, by strictly controlling raw material
The waterproof buffering glue of the present invention is made in addition sequence and reaction condition, easy to operate, convenient for promoting.
The third object of the present invention is to provide a kind of application process of waterproof buffering glue, simple for process, convenient for a large amount of
Production.
The purpose of the present invention is achieved through the following technical solutions：A kind of waterproof buffers glue, includes the original of following parts by weight
Material：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The water resistance and absorbing shock performance of the ethylene-vinyl acetate copolymer (EVA) of the present invention are preferable, as main body
Resin, the content of the vinyl acetate of more preferably described ethylene-vinyl acetate copolymer is 18-40%；The thermoplastic of the present invention
Property polyurethane (TPU) have good flexibility, elasticity and wearability, performance reinforcement can be played the role of to EVA, it is more excellent
The hardness of the thermoplastic polyurethane of choosing is 75-95 degree；The polystyrene thermoplastic elastomer of the present invention is made in the present invention
For binding agent, the effect that viscosity is provided is played；The polymer hollow microsphere of the present invention is the foaming and intumescing with nucleocapsid
Microspheres, this microspheres with nucleocapsid to have foamed, after housing interior volume is filled with foaming
Gas, density is low, flexible, has the function of resistance to compression, bumper and absorbing shock；The tackifying resin of the present invention is anti-for increasing or improving
Answer the viscosity of system；The surface modifier of the present invention is used to promote polymer hollow microsphere and inorganic filler in matrix resin EVA
Middle dispersion and crosslinking；The inorganic filler of the present invention is used to play the role of coloring, reinforcement, reduce cost；The solvent of the present invention is used
In each raw material of dispersion, and polymer hollow microsphere and inorganic filler are uniformly mixed in resin.
Preferably, the polystyrene thermoplastic elastomer for Styrene-Butadiene-Styrene Block Copolymer, styrene-
Isoprene-styrene block copolymer, styrene-ethylene-butylene-styrene block copolymer and styrene-ethylene-the third
One or more of alkene-styrene type block copolymer.
The above polystyrene that the polystyrene thermoplastic elastomer of the present invention selects in the feed as binding agent, the present invention
Thermoplastic elastomer has viscosity at normal temperatures, serves and provides viscosity, each raw material in the present invention is bonded in together；
More preferably, the styrene-ethylene-butylene-styrene block copolymer, styrene ethylene-propylene-styrene type are embedding
Section copolymer and styrene-isoprene-styrene block copolymer are according to mass ratio 2-4:0.8-2:1 compounds.
Preferably, the polymer hollow microsphere wraps up the microballoon of gas for macromolecule resin, and the polymeric hollow is micro-
Ball surface is attached with inorganic powder, and the shell of the polymer hollow microsphere is thermoplastic polymer, the polymer hollow microsphere
Kernel for gas, the outer casing thickness of the polymer hollow microsphere is 2-15 μm, the grain size of the polymer hollow microsphere
It is 10-40 μm.
For the shell of the polymer hollow microsphere that the present invention uses for thermoplastic polyester, kernel is gas,
The outer casing thickness of the polymer hollow microsphere is 2-15 μm, and more preferably, the shell of the polymer hollow microsphere is third
Olefin(e) acid resin polymers, kernel are alkanes gas, and the outer casing thickness of the polymer hollow microsphere is 2-10 μm, described poly-
The grain size for closing object tiny balloon is 10-30 μm, and the polymer hollow microsphere that the present invention uses is risen by the expansion of microsphere
It to the effect of foaming, and chemical classes foaming agent and differs, has that good density is low, it is flexible, there is resistance to compression, bumper and absorbing shock
Effect.
Preferably, the tackifying resin is one kind in rosin resin, terpene resin, C5 Petropols and C9 Petropols
It is or several.
The tackifying resin of the present invention is for increasing or improve viscosity, and for the present invention by selection more than tackifying resin, raw material is easy
, it is of low cost, and with preferable viscosity, polystyrene thermoplastic elastomer can be assisted to increase the viscosity of whole system, made
Obtaining polymer hollow microsphere and inorganic filler can preferably combine in waterproof buffers glue.
Preferably, the surface modifier is silane coupling agent and/or dispersant；The silane coupling agent is γ-ammonia third
Ethyl triethoxy silicane alkane, γ-(the third oxygen of 2,3- epoxies) propyl trimethoxy silicane and γ-methacryloxypropyl trimethoxy
The one or more of base silane；The dispersant is organic silicon dispersant, the dispersion of acrylic ester type dispersant, polyurethane-type
One or more of agent, amides dispersant.
The surface modifier of the present invention is used to that polymer hollow microsphere and inorganic filler to be promoted in matrix resin EVA to disperse
And crosslinking, the present invention can promote polymer hollow microsphere and inorganic filler and matrix resin by selection more than silane coupling agent
Crosslinking, more preferably, the silane coupling agent for gamma-aminopropyl-triethoxy-silane, γ-(2,3- the third oxygen of epoxy) propyl
Trimethoxy silane and γ-methacryloxypropyl trimethoxy silane are 1-3 according to mass ratio:0.8-1.5:1 compounding
It forms；The present invention passes through selection more than dispersant so that promotes polymer hollow microsphere and inorganic filler in matrix resin
Dispersion evenly, enhances cushion performance and water proofing property using waterproof buffering adhesive band made of waterproof of the present invention buffering glue
Energy.
Preferably, the filler is inorganic filler, and the inorganic filler is glass powder, quartz sand, aerosil, stone
Ink, calcium carbonate, montmorillonite and inorganic pigment one or more.
The inorganic filler of the present invention, it is more preferably, described inorganic for playing the role of coloring, reinforcement, reducing cost
It according to mass ratio is 0.5-1 that filler, which is glass powder, quartz sand, calcium carbonate, montmorillonite and inorganic pigment,:-2:2-3:0.8-1.5:1
It compounds.
Preferably, the solvent is the one or more of ethyl ester, toluene, dimethylbenzene, butanone and dimethyl sulfoxide (DMSO).
The solvent of the present invention is used to dissolve ethylene-vinyl acetate copolymer, thermoplastic polyurethane, polystyrene thermoplastic elastic
Body and tackifying resin, and will not react with each raw material, the property of each raw material will not be influenced, in putting using the present invention
During water buffering glue is prepared into buffering adhesive band, solvent can be evaporated.
The second object of the present invention is achieved through the following technical solutions：A kind of preparation method of waterproof buffering glue, including
Following steps：
(1) polymer hollow microsphere, filler, surface modifier are added sequentially in a part of solvent, are dispersed with stirring
It is even, obtain mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
The preparation method of the present invention, step (1) first add in polymer hollow microsphere in solvent, play pre-dispersed work
With, then inorganic filler and surfactant are added according to this, wetting, dispersion can be played the role of to the split of reunion, and utilize
Surface modifying machine processing polymer hollow microsphere and the surface of inorganic filler, can preferably combine, and uniformly in resin
Dispersion；Step (2), (3) according to this add in TPU, EVA, SBCs and tackifying resin in solvent according to the solution rate of polymer,
Because the solution rate of TPU is most slow, first TPU is individually dissolved spare, step (4) is by processed polymer hollow microsphere
It is uniformly mixed with inorganic filler with dissolved resin, polymer hollow microsphere and inorganic filler is made to be uniformly dispersed in resin.
Preferably, the volume of the solvent used in the step (1) is the 25% of the volume of total solvent, and mixing speed is
500-1000rpm, mixing time 30-60min；The volume of solvent used in the step (2) is the volume of total solvent
75%, whipping temp is 55-80 DEG C, mixing speed 300-600rpm, mixing time 30-60min, in the step (3),
EVA, SBCs, tackifying resin are added in the mixed liquid B of the step (2) while stirring successively in order, whipping temp 55-
80 DEG C, mixing speed 300-600rpm；In the step (4), whipping temp is 55-80 DEG C, mixing speed 300-
600rpm, mixing time 20-40min, drop temperature are 20-25 DEG C.
In the preparation method of the present invention, by the solution rate and solvent that consider TPU, EVA, SBCs and tackifying resin
Evaporation speed, be 55-80 DEG C by heating and temperature control, temperature is too low, although evaporation of the solvent is slow, the dissolving of resin speed
Degree can also substantially reduce, and temperature is excessively high, although the solution rate of resin is fast, the evaporation rate of solvent can increase significantly, all
It is unfavorable for the preparation of product.The present invention coordinates suitable mixing speed by using suitable reaction temperature, and adjusts reactant
Order of addition, greatly improve production efficiency and the yield of product.
The third object of the present invention is achieved through the following technical solutions：A kind of application process of waterproof buffering glue, by institute
It states waterproof buffering glue and is coated on base material, then dried at a temperature of 50-120 DEG C to get to waterproof cushion gum layer.
The present invention application process in, using scraper type or extruded type coating machine will discharge water buffering glue be coated on base material,
The coating process of the application process of the present invention is simple, does not need to the working condition and equipment of harshness, is particularly suitable for scale of mass production,
With good economic benefit.
The beneficial effects of the present invention are：The waterproof buffering glue of the present invention is micro- by adding in foaming and intumescing in the feed
Ball is made, this microspheres with nucleocapsid to have foamed, and housing interior volume is filled with the gas after foaming,
Density is low, flexible, has the function of resistance to compression, bumper and absorbing shock, and gas is evenly distributed in waterproof buffers glue, does not need to use
Azo chemical foaming agent is used to prepare the waterproof buffering adhesive band of various thickness, and particularly thickness is ultra-thin anti-below 100 μm
Water buffering adhesive band.
The waterproof buffering adhesive band prepared using the waterproof buffering glue of the present invention, dust seal performance and paste performance are good,
With superior impact resistance, preferable impact absorbency and resilience.
The waterproof buffering adhesive band prepared using the waterproof buffering glue of the present invention, waterproofing grade can reach IPX7 grades of standards,
The requirement of different type electronic product waterproof part can be met.
The application process of the present invention, the coating process used is simple, does not need to the working condition and equipment of harshness, especially suitable
Scale of mass production is closed, there is good economic benefit.
Specific embodiment
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The polystyrene thermoplastic elastomer is Styrene-Butadiene-Styrene Block Copolymer.
The tackifying resin is rosin resin.
The surface modifier is silane coupling agent；The silane coupling agent is gamma-aminopropyl-triethoxy-silane.
The filler is glass powder and inorganic cobalt blue dye according to mass ratio 2:1 compounds.
The solvent is toluene and butanone according to mass ratio 2:1.5 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
25%, mixing speed 600pm of the volume of the solvent used in the step (1) for the volume of total solvent,
Mixing time is 50min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, and whipping temp is
60 DEG C, mixing speed 400rpm, mixing time 50min, in the step (3), by EVA, SBCs, tackifying resin in order
It adds in while stirring in the mixed liquid B of the step (2) successively, whipping temp is 60 DEG C, mixing speed 400rpm；The step
Suddenly in (4), whipping temp is 5 DEG C, mixing speed 400rpm, mixing time 30min, and drop temperature is 25 DEG C, is made solid
The waterproof that content is 44.3% buffers glue.
Waterproof buffering glue is coated on base material, then in 80 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Embodiment 2
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The polystyrene thermoplastic elastomer is styrene-ethylene-butylene-styrene block copolymer.
The tackifying resin is terpene resin.
The surface modifier is silane coupling agent；The silane coupling agent is γ-(the third oxygen of 2,3- epoxies) propyl front three
Oxysilane.
The filler is inorganic filler, and it according to mass ratio is 3 that the inorganic filler, which is quartz sand and graphite,:2 compound.
It according to mass ratio is 25 that the solvent, which is dimethylbenzene and butanone,:18 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
25%, mixing speed 700rpm of the volume of the solvent used in the step (1) for the volume of total solvent,
Mixing time is 40min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, and whipping temp is
80 DEG C, mixing speed 500rpm, mixing time 40min, in the step (3), by EVA, SBCs, tackifying resin in order
It adds in while stirring in the mixed liquid B of the step (2) successively, whipping temp is 75 DEG C, mixing speed 350rpm；The step
Suddenly in (4), whipping temp is 70 DEG C, mixing speed 400rpm, mixing time 30min, and drop temperature is 25 DEG C, is made solid
The waterproof that content is 42.7% buffers glue.
Waterproof buffering glue is coated on base material, then in 120 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Embodiment 3
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The polystyrene thermoplastic elastomer is styrene-ethylene-butylene-styrene block copolymer.
The tackifying resin is C5 Petropols.
The surface modifier is silane coupling agent；The silane coupling agent is γ-methacryloxypropyl front three
Oxysilane.
The filler is inorganic filler, and the inorganic filler is aerosil and inorganic olive green pigment according to quality
Than being 2:1 compounds.
It according to mass ratio is 12 that the solvent, which is ethyl ester and toluene,:35 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
25%, mixing speed 500rpm of the volume of the solvent used in the step (1) for the volume of total solvent,
Mixing time is 40min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, and whipping temp is
55 DEG C, mixing speed 300rpm, mixing time 40min, in the step (3), by EVA, SBCs, tackifying resin in order
It adds in while stirring in the mixed liquid B of the step (2) successively, whipping temp is 55 DEG C, mixing speed 350rpm；The step
Suddenly in (4), whipping temp is 55 DEG C, mixing speed 300rpm, mixing time 30min, and drop temperature is 25 DEG C, is made solid
The waterproof that content is 40.4% buffers glue.
Waterproof buffering glue is coated on base material, then in 50 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Embodiment 4
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
Polystyrene thermoplastic elastomer is stated as styrene-isoprene-styrene block copolymer.
The tackifying resin is C9 Petropols.
The surface modifier is dispersant；The dispersant is acrylic ester type dispersant.
The filler is inorganic filler, and the inorganic filler is montmorillonite.
It according to mass ratio is 9 that the solvent, which is dimethylbenzene and dimethyl sulfoxide (DMSO),:5 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
The volume of the solvent used in the step (1) is the 25% of the volume of total solvent, and mixing speed is
1000rpm, mixing time 60min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, is stirred
It is 75 DEG C, mixing speed 600rpm, mixing time 60min to mix temperature, and in the step (3), EVA, SBCs, thickening are set
Fat adds in the mixed liquid B of the step (2) while stirring successively in order, and whipping temp is 75 DEG C, and mixing speed is
600rpm；In the step (4), whipping temp is 75 DEG C, mixing speed 600rpm, mixing time 40min, drop temperature
For 20 DEG C to get the buffering glue that discharges water for being 35.5 to solid content.
Waterproof buffering glue is coated on base material, then in 110 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Embodiment 5
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The polystyrene thermoplastic elastomer is by styrene-ethylene-butylene-styrene block copolymer, styrene-second
Alkene-propylene-styrene type block copolymer and styrene-isoprene-styrene block copolymer are according to mass ratio 2:0.8:1
It compounds.
The tackifying resin is in C9 Petropols.
The surface modifier is dispersant and silane coupling agent according to mass ratio 2:1 compounds；The dispersant is
Acrylic ester type dispersant, the silane coupling agent are gamma-aminopropyl-triethoxy-silane.
The filler is inorganic filler, and the inorganic filler is glass powder, quartz sand, calcium carbonate, montmorillonite and inorganic face
Material is 0.5 according to mass ratio:1:2:0.8:1 compounds.
It according to mass ratio is 9 that the solvent, which is dimethylbenzene and dimethyl sulfoxide (DMSO),:5 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
The volume of the solvent used in the step (1) is the 25% of the volume of total solvent, and mixing speed is
1000rpm, mixing time 60min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, is stirred
It is 75 DEG C, mixing speed 600rpm, mixing time 60min to mix temperature, and in the step (3), EVA, SBCs, thickening are set
Fat adds in the mixed liquid B of the step (2) while stirring successively in order, and whipping temp is 75 DEG C, and mixing speed is
600rpm；In the step (4), whipping temp is 75 DEG C, mixing speed 600rpm, mixing time 40min, drop temperature
For 20 DEG C to get the buffering glue that discharges water for being 35.5 to solid content.
Waterproof buffering glue is coated on base material, then in 110 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Embodiment 6
A kind of waterproof buffers glue, includes the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
The polystyrene thermoplastic elastomer is by styrene-ethylene-butylene-styrene block copolymer, styrene-second
Alkene-propylene-styrene type block copolymer and styrene-isoprene-styrene block copolymer are according to mass ratio 4:2:1 is multiple
With into.
The tackifying resin is in C9 Petropols.
The surface modifier is dispersant；The dispersant is polyurethane-type dispersant and amides dispersant according to matter
Measure ratio 1:2 compound.
The filler is inorganic filler, and the inorganic filler is glass powder, quartz sand, calcium carbonate, montmorillonite and inorganic face
Material is 1 according to mass ratio:2:3:1.5:1 compounds.
It according to mass ratio is 9 that the solvent, which is dimethylbenzene and dimethyl sulfoxide (DMSO),:5 compound.
The preparation method of the waterproof buffering glue, includes the following steps：
(1) polymer hollow microsphere, inorganic filler, surface modifier are added sequentially in a part of solvent, stirring point
It dissipates uniformly, obtains mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquor
B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step
(2) it in mixed liquid B, is stirred at a certain temperature to being uniformly dissolved, obtains mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirs evenly, be down to
Certain temperature discharging buffers glue to get to waterproof.
The volume of the solvent used in the step (1) is the 25% of the volume of total solvent, and mixing speed is
1000rpm, mixing time 60min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, is stirred
It is 75 DEG C, mixing speed 600rpm, mixing time 60min to mix temperature, and in the step (3), EVA, SBCs, thickening are set
Fat adds in the mixed liquid B of the step (2) while stirring successively in order, and whipping temp is 75 DEG C, and mixing speed is
600rpm；In the step (4), whipping temp is 75 DEG C, mixing speed 600rpm, mixing time 40min, drop temperature
For 20 DEG C to get the buffering glue that discharges water for being 35.5 to solid content.
Waterproof buffering glue is coated on base material, then in 110 DEG C of temperature by the application process of the waterproof buffering glue
The lower drying of degree is to get to the base material coated with waterproof cushion gum layer.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (10)
1. a kind of waterproof buffers glue, it is characterised in that：Include the raw material of following parts by weight：
Wherein, the polymer hollow microsphere is the microballoon of the foaming and intumescing with nucleocapsid.
2. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The polystyrene thermoplastic elastomer is
Styrene-Butadiene-Styrene Block Copolymer, styrene-isoprene-styrene block copolymer, styrene-ethylene-
One or more of butylene-styrene block copolymer and styrene ethylene-propylene-styrene type block copolymer.
3. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The polymer hollow microsphere is high score
Subtree fat wraps up the microballoon of gas, and the polymer hollow microsphere surface is attached with inorganic powder, and the polymer hollow microsphere is
The nucleocapsid that shell is thermoplastic polymer, kernel is gas, the outer casing thickness of the polymer hollow microsphere is 2-15 μ
M, the grain size of the polymer hollow microsphere is 10-40 μm.
4. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The tackifying resin for rosin resin,
One or more of terpene resin, C5 Petropols and C9 Petropols.
5. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The surface modifier is silane coupled
Agent and/or dispersant；The silane coupling agent is gamma-aminopropyl-triethoxy-silane, γ-(the third oxygen of 2,3- epoxies) propyl front three
The one or more of oxysilane and γ-methacryloxypropyl trimethoxy silane；The dispersant is organic silicon
One or more of dispersant, acrylic ester type dispersant, polyurethane-type dispersant, amides dispersant.
6. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The filler is inorganic filler, described
Inorganic filler is one kind or several of glass powder, quartz sand, aerosil, graphite, calcium carbonate, montmorillonite and inorganic pigment
Kind.
7. a kind of waterproof buffering glue according to claim 1, it is characterised in that：The solvent is ethyl ester, toluene, diformazan
The one or more of benzene, butanone and dimethyl sulfoxide (DMSO).
It is 8. a kind of such as the preparation method of claim 1-7 any one of them waterproof buffering glue, which is characterized in that including following
Step：
(1) polymer hollow microsphere, filler, surface modifier are added sequentially in a part of solvent, are dispersed with stirring uniformly, obtain
Mixed liquor A, set aside for use；
(2) thermoplastic polyurethane is added in remaining solvent, stirs certain time at a certain temperature, obtain mixed liquid B；
(3) ethylene-vinyl acetate copolymer, polystyrene thermoplastic elastomer and tackifying resin are sequentially added into the step (2)
Mixed liquid B in, stirred at a certain temperature to being uniformly dissolved, obtain mixed liquor C；
(4) mixed liquor A in the step (1) is added in the mixed liquor C of the step (3), stirred evenly, is down to certain
Temperature discharging buffers glue to get to waterproof.
9. a kind of preparation method of waterproof buffering glue according to claim 8, it is characterised in that：In the step (1)
The volume of the solvent used for total solvent volume 25%, mixing speed 500-1000rpm, mixing time 30-
60min；The volume of solvent used in the step (2) is the 75% of the volume of total solvent, and whipping temp is 55-80 DEG C, is stirred
Speed is mixed as 300-600rpm, mixing time 30-60min, in the step (3), by EVA, SBCs, tackifying resin in order
It adds in while stirring in the mixed liquid B of the step (2) successively, whipping temp is 55-80 DEG C, mixing speed 300-
600rpm；In the step (4), whipping temp is 55-80 DEG C, mixing speed 300-600rpm, mixing time 20-
40min, drop temperature are 20-25 DEG C.
It is 10. a kind of such as the application process of claim 1-7 any one of them waterproof buffering glue, it is characterised in that：By described in
Waterproof buffering glue is coated on base material, is then dried at a temperature of 50-120 DEG C to get to waterproof cushion gum layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109473039A (en) * | 2018-12-28 | 2019-03-15 | 厦门天马微电子有限公司 | Display module and display device |
| CN110452521A (en) * | 2019-07-08 | 2019-11-15 | 上海凯牟达新材料科技有限公司 | Thermoplastic polyurethane composite and its method for preparing pressure-sensitive adhesive film |
| CN111040597A (en) * | 2019-12-18 | 2020-04-21 | 广东沐峰节能创新科技有限公司 | Micro-elastic sound insulation coating and preparation method thereof |
| CN111303696A (en) * | 2020-03-31 | 2020-06-19 | 陕西立高涂料有限公司 | Special coating material for laser shock peening and preparation method thereof |
| CN111574950A (en) * | 2020-06-08 | 2020-08-25 | 厦门韦尔通科技有限公司 | Ultra-soft silane modified polyether adhesive with buffering performance and preparation method thereof |
| CN112143212A (en) * | 2019-06-28 | 2020-12-29 | 德莎欧洲股份公司 | Composition, foam substrate, backing, adhesive tape and application thereof |
| CN113817428A (en) * | 2021-10-15 | 2021-12-21 | 深圳九星印刷包装集团有限公司 | Box pasting glue, formed packaging box glue distribution detection method and box pasting machine |
| US20210410302A1 (en) * | 2020-06-24 | 2021-12-30 | Samsung Display Co., Ltd. | Display device |
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| CN109473039A (en) * | 2018-12-28 | 2019-03-15 | 厦门天马微电子有限公司 | Display module and display device |
| CN112143212A (en) * | 2019-06-28 | 2020-12-29 | 德莎欧洲股份公司 | Composition, foam substrate, backing, adhesive tape and application thereof |
| CN110452521A (en) * | 2019-07-08 | 2019-11-15 | 上海凯牟达新材料科技有限公司 | Thermoplastic polyurethane composite and its method for preparing pressure-sensitive adhesive film |
| CN111040597A (en) * | 2019-12-18 | 2020-04-21 | 广东沐峰节能创新科技有限公司 | Micro-elastic sound insulation coating and preparation method thereof |
| CN111303696A (en) * | 2020-03-31 | 2020-06-19 | 陕西立高涂料有限公司 | Special coating material for laser shock peening and preparation method thereof |
| CN111574950A (en) * | 2020-06-08 | 2020-08-25 | 厦门韦尔通科技有限公司 | Ultra-soft silane modified polyether adhesive with buffering performance and preparation method thereof |
| CN111574950B (en) * | 2020-06-08 | 2022-02-01 | 韦尔通(厦门)科技股份有限公司 | Ultra-soft silane modified polyether adhesive with buffering performance and preparation method thereof |
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| CN113861917A (en) * | 2021-09-27 | 2021-12-31 | 深圳市联星服装辅料有限公司 | Primer, glue, super-soft waterproof zipper and production method thereof |
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Application publication date: 20180710 |