CN108865021A - A kind of cross-linking type moisture barrier type rubber adhesive and the double faced adhesive tape and preparation method thereof using the adhesive - Google Patents
A kind of cross-linking type moisture barrier type rubber adhesive and the double faced adhesive tape and preparation method thereof using the adhesive Download PDFInfo
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- CN108865021A CN108865021A CN201810697443.9A CN201810697443A CN108865021A CN 108865021 A CN108865021 A CN 108865021A CN 201810697443 A CN201810697443 A CN 201810697443A CN 108865021 A CN108865021 A CN 108865021A
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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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
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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
- C09J11/06—Non-macromolecular additives organic
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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
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C09J2453/00—Presence of block copolymer
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Abstract
Present invention discloses a kind of cross-linking type moisture barrier type rubber adhesives, by mass percentage include following components：Star-like SIS 10~30%, amino modified SEBS 1~5% polymerize terpenes A 12~20%, polymerize terpenes B 1~10%, crosslinking agent 0.1~1 ‰, aging agent 1~5 ‰, solvent 50~70%.A kind of cross-linking type moisture barrier type rubber adhesive of the invention, with characteristics such as high bond strength, high moisture barrier, low-k, anacidity or weak acid, certain high temperature (85 DEG C) are resistant to simultaneously, high temperature and humidity is had excellent performance, and subsequent cross cutting processing performance is good.
Description
Technical field
The invention belongs to adhesive technology field more particularly to a kind of cross-linking type moisture barrier type rubber adhesive and applications
Double faced adhesive tape of the adhesive and preparation method thereof.
Background technique
Electronic product makes rapid progress, and the requirement to functional material is also just higher and higher, such as function adhesive tape.Currently, city
The electronic products such as computer, mobile phone, Pad, TV update quickly on face, and fuselage is more and more slim, and screen size is increasingly
Greatly, especially most emerging technology OLED (Organic Light-Emitting Diode) display screen, to fixed adhesive glue
Band requires also just higher and higher.
Display of organic electroluminescence OLED (Organic Light-Emitting Diode) is put down as a kind of novel
Plate shows, actively shines since it has, light emission luminance height, high resolution, wide viewing angle, fast response time, low energy consumption and can
It is the features such as flexibility, receive more and more attention, it is possibly realized the next-generation display technology for replacing liquid crystal display.Current
There are organic-containing materials in OLED device, it is caused to have a fatal weakness, is afraid of that oxygen is afraid of water, once there are oxygen or moisture
It enters in device, black splotch can slowly occur in organic coating and sensor component in OLED etc., will cause the device longevity
The decaying of life.So for flexible OLED devices, life problems depend on flexible base board and encapsulation technology for oxygen and wet
The deadening of gas.Other than existing UV cured adhesive is to OLED device encapsulation, a kind of high bonding suitable for OLED mould group is developed
Intensity, low-k, high moisture barrier specialty tape have great importance.
Currently, visible high moisture barrier adhesive tape on the market, most of moisture barrier characteristics only with higher, but bond
(85 DEG C) lose adhesive property or ageing properties are general under intensity is not high or the condition of high temperature, can not withstand prolonged
It tests and gradually loses function.In the recent period, Japanese Electric develops a kind of high moisture barrier adhesive tape, and there is lower moisture to penetrate
Rate, but adhesion strength is on the weak side, especially when 85 DEG C and the above condition of high temperature under lose adhesion strength substantially；TESA also develops one kind
High moisture barrier adhesive tape, though moisture barrier characteristics with higher, adhesive tape is partially soft, and when cross cutting is easy to appear excessive glue, it is subsequent plus
Work yield is lower；3M company also develops similar products, and moisture barrier characteristics with higher, adhesion strength is general, die cuttability
Well, but during following process easily occur that glue-line is counter to be shelled, the decline of yield is caused to electronic device module group assembling.
Summary of the invention
In view of the problems of the above-mentioned prior art, the purpose of the present invention is to propose to a kind of cross-linking type moisture barrier type rubber
The double faced adhesive tape and preparation method thereof of adhesive and the application adhesive.
The purpose of the present invention will be realized through the following technical scheme：
A kind of cross-linking type moisture barrier type rubber adhesive includes following components by mass percentage：
Further, the tensile strength of the star-like SIS is 1500psi-3000psi, elongation at break 800%-
1500%, Shore A hardness (10 seconds) are 30-60, relative density 0.89g/cm3-0.92g/cm3, melt index 6g-18g,
Styrene-content is 15%-30%, and double block concentrations are 0-40%, and weight average molecular weight is 100,000-50 ten thousand.
Further, the tensile strength of the amino modified SEBS is 2000psi-3500psi, and elongation at break is
300%-1000%, Shore A hardness (10 seconds) are 40-70, relative density 0.89g/cm3-0.92g/cm3, melt index is
1g-8g, styrene-content 20%-40%.
Further, the softening point of the polymerization terpenes A is 85 DEG C -130 DEG C, melt viscosity 500mPas-
1500mPas, molecular weight 300-1500, it is 50 DEG C -110 DEG C that vitrifying, which turns temperature,.
Further, the softening point of the polymerization terpenes B is 0 DEG C -30 DEG C, melt viscosity 5mPas-50mPas,
Molecular weight is 100-500, and it is -50 DEG C -0 DEG C that vitrifying, which turns temperature,.
Further, the crosslinking agent is epoxies crosslinking agent, isocyanates crosslinking agent, amine cross-linking agent, aziridine
One or more of class crosslinking agent.
Further, the aging agent is 2,6-di-tert-butyl p-cresol, styrenated phenol, 2,5- di-t-butyl to benzene
Diphenol, 2,2 '-dimethylenes are double-(4- methyl-6-tert-butylphenol), bis- (1,1- the dimethyl ethyl) -4- of octadecyl -3,5-
Hydroxy benzoic propionate (1076), four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters (1010) or three (2,
One or more of 4- di-tert-butyl-phenyl) phosphite ester (168).
Further, the solvent is ethyl acetate, butyl acetate, methylisobutylketone, isophorone, acetone, butanone, ring
One or more of hexanone, toluene, dimethylbenzene, normal heptane or hexamethylene.
A kind of double faced adhesive tape using above-mentioned cross-linking type moisture barrier type rubber adhesive, successively include weight release film,
Coated in the moisture barrier type adhesive layer and light release film on weight release film, the moisture barrier type adhesive layer is by cross-linking type
Moisture barrier type rubber adhesive is constituted.
A kind of preparation method of above-mentioned double faced adhesive tape includes：One heavy release film is provided；By the cross-linking type moisture barrier
Type rubber adhesive is coated in the layer upper surface of the heavy release film, and drying crosslinking curing forms the moisture barrier type adhesive
Layer；Light release film is pasted on the moisture barrier type adhesive layer surface, obtains the double faced adhesive tape.
Protrusion effect of the invention is：
A kind of cross-linking type moisture barrier type rubber adhesive of the invention has high bond strength, high moisture barrier, low Jie
The characteristics such as electrostrictive coefficient, anacidity or weak acid, while certain high temperature (85 DEG C) are resistant to, high temperature and humidity is had excellent performance, and subsequent cross cutting adds
Work is functional.
Below just in conjunction with the embodiments, the embodiment of the present invention is described in further detail, so that the technology of the present invention
Scheme is more readily understood, grasps.
Specific embodiment
Method of the invention is illustrated below by specific embodiment, but the present invention is not limited thereto.Following realities
Experimental method described in example is applied, is conventional method unless otherwise specified；The reagent and material, unless otherwise specified,
It obtains from commercial channels.
A kind of cross-linking type moisture barrier type rubber adhesive of the invention and the double faced adhesive tape using the adhesive, it is unique
Design principle be：
1, using star-like SIS elastomer design structure, SIS is intermolecular to be equivalent to partial cross-linked, and molecular weight is common line style
3~5 times of SIS are conducive to promote adhesive heat resistance and moisture barrier characteristics, while being changed to the ageing properties of adhesive
It is kind；
2, using the chain end modified SEBS of amino, it not only ensure that entire elastomer had preferable ageing-resistant performance, but also take into account
Being cross-linked with each other between elastomer molecules can consume existing faint free in adhesive system while crosslinking
Acid, while molecular weight becomes larger after SEBS crosslinking, segment is longer, it is easier to and star-like SIS molecule is mutually wound, and is conducive to improve glue
The heat resistance of glutinous agent main body, at the same it is even closer between elastomer molecules, reduce molecular gap, improves the moisture of adhesive
Barrier property, while ageing properties are improved；
3, sized molecules tackifying system is merged with elastomer SIS and SEBS blending, has been filled up between rubber elastomer molecule
Gap improves intermolecular moisture barrier characteristics, while improving the tack (processing performance) of adhesive again；
4, whole system is environmentally friendly adhesive, and inertia is presented, and polarity is low and anacidity, and dielectric coefficient is small, does not corrode
By patch material, and the function of electronic material is not influenced.
Embodiment 1
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：First is put into 1000ml reaction flask
Then benzene 330g starts agitating device, revolving speed 200rpm, successively investment polymerize terpene resin A (softening point 85 while stirring
DEG C, melt viscosity 500mPas, molecular weight 300, it is 50 DEG C that vitrifying, which turns temperature) 90g, polymerization terpene resin B (softening
Point is 30 DEG C, melt viscosity 50mPas, molecular weight 100, and it is -50 DEG C that vitrifying, which turns temperature) 30g, 1010 and of aging agent
168 difference 0.15g and 0.1g, stirring 15min are after its dissolution, then put into star-like SIS (tensile strength 1500psi, fracture are stretched
Long rate is 800%, and Shore A hardness (10 seconds) are 30, relative density 0.89g/cm3, melt index 6g, styrene-content is
15%, double block concentrations are 0, and weight average molecular weight 10, ten thousand) (stretch by 90g, amino modified SEBS by tensile strength 2000psi, fracture
Long rate is 300%, and Shore A hardness (10 seconds) are 50, relative density 0.89g/cm3, melt index 4g, styrene-content is
40%) 10g, stirring 8h make it completely dissolved mixing, stop agitating device, stand 30min or more and defoam naturally, this can be obtained
The cross-linking type moisture barrier type rubber adhesive of embodiment.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Before glutinous agent, isocyanate crosslinking L-45E 0.03g is added in every 100g adhesive, then in heavy release film layer upper surface,
The cross-linking type moisture barrier type rubber adhesive of the present embodiment is coated with using coater, baking temperature is 120 DEG C, and baking time is
3min forms the moisture barrier type adhesive layer of uniform 25 μ m thick, then pastes again on moisture barrier type adhesive layer surface
Light-duty release PET is covered, anacidity, low polarity and low-k double faced adhesive tape can be obtained.
Embodiment 2
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：Two are put into 1000ml reaction flask
Toluene 323g, then starts agitating device, revolving speed 200rpm, and successively (softening point is investment polymerization terpene resin A while stirring
130 DEG C, melt viscosity 1500mPas, molecular weight 1500, it is 110 DEG C that vitrifying, which turns temperature) 90g, polymerization terpene resin B
(softening point is 10 DEG C, melt viscosity 50mPas, molecular weight 500, and it is -10 DEG C that vitrifying, which turns temperature) 30g, aging agent
1076 and 168 difference 0.15g and 0.1g, stirring 15min after its dissolution after, then put into star-like SIS (tensile strength 3000psi,
Elongation at break is 1500%, and Shore A hardness (10 seconds) are 60, relative density 0.92g/cm3, melt index 18g, benzene second
Alkene content is 30%, and double block concentrations are 40%, and 50, ten thousand) (tensile strength is weight average molecular weight by 90g, amino modified SEBS
2500psi, elongation at break 700%, Shore A hardness (10 seconds) are 40, relative density 0.92g/cm3, melt index is
8g, styrene-content 40%) 5.4g, stirs 8h and makes it completely dissolved mixing, stop agitating device, stand 30min or more certainly
So defoaming, can be obtained the cross-linking type moisture barrier type rubber adhesive of the present embodiment.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Epoxies crosslinking agent 0.015g, which is added, before glutinous agent, in every 100g adhesive uses blade coating then in heavy release film layer upper surface
Device is coated with the cross-linking type moisture barrier type rubber adhesive of the present embodiment, and baking temperature is 120 DEG C, baking time 3min, shape
At the moisture barrier type adhesive layer of uniform 25 μ m thick, then again moisture barrier type adhesive layer surface paste it is light-duty from
Anacidity, low polarity and low-k double faced adhesive tape can be obtained in type PET.
Embodiment 3
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：Ring is put into 1000ml reaction flask
Hexanone 345g, then starts agitating device, revolving speed 200rpm, and successively (softening point is investment polymerization terpene resin A while stirring
100 DEG C, melt viscosity 1000mPas, molecular weight 1000, it is 100 DEG C that vitrifying, which turns temperature) 90g, polymerization terpene resin B
(softening point is 10 DEG C, melt viscosity 25mPas, molecular weight 400, and it is -20 DEG C that vitrifying, which turns temperature) 30g, aging agent 2,
6- di-tert-butyl p-cresol and 168 difference 0.15g and 0.1g, stirring 15min are after its dissolution, then put into star-like SIS and (stretch strong
Degree is 2000psi, and elongation at break 1000%, Shore A hardness (10 seconds) are 50, relative density 0.90g/cm3, melting refers to
Number is 10g, and styrene-content 20%, double block concentrations are 20%, and weight average molecular weight is in 20 ten thousand) 90g, amino modified SEBS
(tensile strength 2000psi, elongation at break 300%, Shore A hardness (10 seconds) are 70, relative density 0.92g/cm3,
Melt index is 8g, styrene-content 20%) 20g, stirs 8h and makes it completely dissolved mixing, stop agitating device, stand
30min or more is defoamed naturally, and the cross-linking type moisture barrier type rubber adhesive of the present embodiment can be obtained.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Amine cross-linking agent 0.052g, which is added, before glutinous agent, in every 100g adhesive uses coater then in heavy release film layer upper surface
It is coated with the cross-linking type moisture barrier type rubber adhesive of the present embodiment, baking temperature is 120 DEG C, baking time 3min, is formed
Then the moisture barrier type adhesive layer of uniform 25 μ m thick pastes on moisture barrier type adhesive layer surface light-duty release again
Anacidity, low polarity and low-k double faced adhesive tape can be obtained in PET.
Embodiment 4
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is put into 1000ml reaction flask different
Phorone 374g, then starts agitating device, revolving speed 200rpm, and successively (softening point is investment polymerization terpene resin A while stirring
90 DEG C, melt viscosity 1200mPas, molecular weight 1200, it is 100 DEG C that vitrifying, which turns temperature) 90g, polymerization terpene resin B
(softening point is 20 DEG C, melt viscosity 30mPas, molecular weight 300, and it is -30 DEG C that vitrifying, which turns temperature) 5.6g, aging agent
1010 and styrenated phenol difference 0.15g and 0.1g, stirring 15min is after it is dissolved, then puts into star-like SIS (tensile strength
For 3000psi, elongation at break 800%, Shore A hardness (10 seconds) are 30, relative density 0.89g/cm3, melt index
For 18g, styrene-content 30%, double block concentrations are 40%, and 50, ten thousand) 90g, amino modified SEBS (are drawn weight average molecular weight
Stretching intensity is 2500psi, and elongation at break 900%, Shore A hardness (10 seconds) are 60, relative density 0.89g/cm3, melt
Melting index is 2g, styrene-content 35%) 10g, stirs 8h and makes it completely dissolved mixing, stop agitating device, stand 30min
It is above to defoam naturally, the cross-linking type moisture barrier type rubber adhesive of the present embodiment can be obtained.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Before glutinous agent, aziridines crosslinking agent 0.03g is added in every 100g adhesive, then in heavy release film layer upper surface, using scraping
The cross-linking type moisture barrier type rubber adhesive that device is coated with the present embodiment is applied, baking temperature is 120 DEG C, baking time 3min,
The moisture barrier type adhesive layer of uniform 25 μ m thick is formed, is then pasted again on moisture barrier type adhesive layer surface light-duty
Anacidity, low polarity and low-k double faced adhesive tape can be obtained in release PET.
Embodiment 5
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：First is put into 1000ml reaction flask
Then base isobutyl ketone 345g starts agitating device, revolving speed 200rpm, successively investment polymerize terpene resin A (softening point while stirring
It is 95 DEG C, melt viscosity 900mPas, molecular weight 800, it is 110 DEG C that vitrifying, which turns temperature) 90g, polymerization terpene resin B
(softening point is 10 DEG C, melt viscosity 10mPas, molecular weight 200, and it is -40 DEG C that vitrifying, which turns temperature) 59g, aging agent 2,
5- di-t-butyl hydroquinone and 2,2 '-dimethylenes pair-(4- methyl-6-tert-butylphenol) difference 0.15g and 0.1g, stirring
15min is after its dissolution, then puts into star-like SIS (tensile strength 2500psi, elongation at break 1200%, Shore A hardness
(10 seconds) are 50, relative density 0.92g/cm3, melt index 15g, styrene-content 25%, double block concentrations are
30%, weight average molecular weight is in 30 ten thousand) 90g, amino modified SEBS (tensile strength 3000psi, elongation at break 800%, Shao
Family name A hardness (10 seconds) are 50, relative density 0.90g/cm3, melt index 5g, styrene-content 30%) and 10g, stirring
8h makes it completely dissolved mixing, stops agitating device, stands 30min or more and defoams naturally, the crosslinking of the present embodiment can be obtained
Type moisture barrier type rubber adhesive.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Before glutinous agent, isocyanate crosslinking L-45E 0.03g is added in every 100g adhesive, then in heavy release film layer upper surface,
The cross-linking type moisture barrier type rubber adhesive of the present embodiment is coated with using coater, baking temperature is 120 DEG C, and baking time is
3min forms the moisture barrier type adhesive layer of uniform 25 μ m thick, then pastes again on moisture barrier type adhesive layer surface
Light-duty release PET is covered, anacidity, low polarity and low-k double faced adhesive tape can be obtained.
Embodiment 6
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：Second is put into 1000ml reaction flask
Acid butyl ester 288g, then starts agitating device, revolving speed 200rpm, and successively (softening point is investment polymerization terpene resin A while stirring
120 DEG C, melt viscosity 800mPas, molecular weight 700, it is 60 DEG C that vitrifying, which turns temperature) 57.6g, polymerization terpene resin B
(softening point is 30 DEG C, melt viscosity 50mPas, molecular weight 500, and it is 0 DEG C that vitrifying, which turns temperature) 30g, aging agent 1010
With 168 difference 0.15g and 0.1g, stirring 15min after its dissolution, then put into star-like SIS (tensile strength 2800psi, fracture
Elongation is 900%, and Shore A hardness (10 seconds) are 45, relative density 0.91g/cm3, melt index 7g, styrene-content
Be 26%, double block concentrations be 20%, weight average molecular weight 40 ten thousand) 90g, amino modified SEBS (tensile strength 3500psi,
Elongation at break is 1000%, and Shore A hardness (10 seconds) are 70, relative density 0.92g/cm3, melt index 8g, benzene second
Alkene content is that 40%) 10g, stirring 8h make it completely dissolved mixing, stop agitating device, stands 30min or more and defoams naturally, i.e.,
The cross-linking type moisture barrier type rubber adhesive of the present embodiment can be obtained.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Before glutinous agent, isocyanate crosslinking L-45E 0.03g is added in every 100g adhesive, then in heavy release film layer upper surface,
The cross-linking type moisture barrier type rubber adhesive of the present embodiment is coated with using coater, baking temperature is 120 DEG C, and baking time is
3min forms the moisture barrier type adhesive layer of uniform 25 μ m thick, then pastes again on moisture barrier type adhesive layer surface
Light-duty release PET is covered, anacidity, low polarity and low-k double faced adhesive tape can be obtained.
Embodiment 7
The preparation process of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：Second is put into 1000ml reaction flask
Acetoacetic ester 384g, then starts agitating device, revolving speed 200rpm, and successively (softening point is investment polymerization terpene resin A while stirring
130 DEG C, melt viscosity 500mPas, molecular weight 1500, it is 50 DEG C that vitrifying, which turns temperature) 128g, polymerization terpene resin B
(softening point is 0 DEG C, melt viscosity 5mPas, molecular weight 100, and it is -50 DEG C that vitrifying, which turns temperature) 30g, aging agent 1010
With 168 difference 0.15g and 0.1g, stirring 15min after its dissolution, then put into star-like SIS (tensile strength 3000psi, fracture
Elongation is 800%, and Shore A hardness (10 seconds) are 50, relative density 0.89g/cm3, melt index 18g, styrene contains
Amount is 30%, and double block concentrations are 40%, and 50, ten thousand) (tensile strength is weight average molecular weight by 90g, amino modified SEBS
2000psi, elongation at break 300%, Shore A hardness (10 seconds) are 40, relative density 0.89g/cm3, melt index is
1g, styrene-content 20%) 10g, stirs 8h and makes it completely dissolved mixing, stop agitating device, it is natural to stand 30min or more
Defoaming, can be obtained the cross-linking type moisture barrier type rubber adhesive of the present embodiment.
Using the coating process of the double faced adhesive tape of the cross-linking type moisture barrier type rubber adhesive of the present embodiment：It is coated with the glue
Before glutinous agent, isocyanate crosslinking L-45E 0.03g is added in every 100g adhesive, then in heavy release film layer upper surface,
The cross-linking type moisture barrier type rubber adhesive of the present embodiment is coated with using coater, baking temperature is 120 DEG C, and baking time is
3min forms the moisture barrier type adhesive layer of uniform 25 μ m thick, then pastes again on moisture barrier type adhesive layer surface
Light-duty release PET is covered, anacidity, low polarity and low-k double faced adhesive tape can be obtained.
Experimental example
By the double-sided adhesive of the embodiment 1-7 cross-linking type moisture barrier type rubber adhesive being prepared and the application adhesive
Band is tested for the property respectively, test experiments content and the results are shown in Table 1.
Table 1
Ageing properties evaluation：Adhesive tape is stored under the conditions of 65 DEG C~90%RH~21d and 85 DEG C~85%RH~21d, is surveyed
Examination evaluates its room temperature peeling force, 85 DEG C of peeling forces and keeps force data, if substantially unchanged, ageing properties are excellent；More than if
Performance decline is more, then ageing properties NG.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (10)
1. a kind of cross-linking type moisture barrier type rubber adhesive, it is characterised in that：It by mass percentage include following components：
2. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：It is described star-like
The tensile strength of SIS is 1500psi-3000psi, elongation at break 800%-1500%, and Shore A hardness (10 seconds) are 30-
60, relative density 0.89g/cm3-0.92g/cm3, melt index 6g-18g, styrene-content 15%-30%, double blocks
Content is 0-40%, and weight average molecular weight is 100,000-50 ten thousand.
3. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The amino changes
Property SEBS tensile strength be 2000psi-3500psi, elongation at break 300%-1000%, Shore A hardness (10 seconds) is
40-70, relative density 0.89g/cm3-0.92g/cm3, melt index 1g-8g, styrene-content 20%-40%.
4. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The polymerization terpene
The softening point of alkene A is 85 DEG C -130 DEG C, melt viscosity 500mPas-1500mPas, molecular weight 300-1500, glass
It is 50 DEG C -110 DEG C that change, which turns temperature,.
5. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The polymerization terpene
The softening point of alkene B is 0 DEG C -30 DEG C, melt viscosity 5mPas-50mPas, molecular weight 100-500, and vitrifying turns temperature
It is -50 DEG C -0 DEG C.
6. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The crosslinking agent
For one or more of epoxies crosslinking agent, isocyanates crosslinking agent, amine cross-linking agent, aziridines crosslinking agent.
7. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The aging agent
For DBPC 2,6 ditertiary butyl p cresol, styrenated phenol, 2,5 di tert butyl hydroquinone, 2,2 '-dimethylenes pair-(4- first
Base -6- tert-butyl phenol), bis- (1,1- the dimethyl ethyl) -4- hydroxy benzoic propionates of octadecyl -3,5-, four [β-(3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid] one of pentaerythritol ester or three (2,4- di-tert-butyl-phenyl) phosphite esters or several
Kind.
8. a kind of cross-linking type moisture barrier type rubber adhesive according to claim 1, it is characterised in that：The solvent is
Ethyl acetate, butyl acetate, methylisobutylketone, isophorone, acetone, butanone, cyclohexanone, toluene, dimethylbenzene, normal heptane or ring
One or more of hexane.
9. a kind of double faced adhesive tape using cross-linking type moisture barrier type rubber adhesive described in claim 1, it is characterised in that：
It successively include weight release film, coated in the moisture barrier type adhesive layer and light release film on weight release film, the moisture barrier
Type adhesive layer is made of the cross-linking type moisture barrier type rubber adhesive in claim 1.
10. a kind of preparation method of double faced adhesive tape as claimed in claim 9 includes：One heavy release film is provided；By the cross-linking type
Moisture barrier type rubber adhesive is coated in the layer upper surface of the heavy release film, and drying crosslinking curing forms the moisture barrier type
Adhesive layer；Light release film is pasted on the moisture barrier type adhesive layer surface, obtains the double faced adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697443.9A CN108865021B (en) | 2018-06-29 | 2018-06-29 | Crosslinking type moisture barrier rubber adhesive, double-sided adhesive tape applying same and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697443.9A CN108865021B (en) | 2018-06-29 | 2018-06-29 | Crosslinking type moisture barrier rubber adhesive, double-sided adhesive tape applying same and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108865021A true CN108865021A (en) | 2018-11-23 |
| CN108865021B CN108865021B (en) | 2020-06-16 |
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| CN201810697443.9A Active CN108865021B (en) | 2018-06-29 | 2018-06-29 | Crosslinking type moisture barrier rubber adhesive, double-sided adhesive tape applying same and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777309A (en) * | 2018-12-27 | 2019-05-21 | 新纶科技（常州）有限公司 | A kind of adhesive and adhesive tape |
| CN109852268A (en) * | 2019-03-13 | 2019-06-07 | 新纶科技（常州）有限公司 | One kind gluing dead type without substrate double faced adhesive tape and preparation method thereof |
| CN109852263A (en) * | 2018-12-27 | 2019-06-07 | 新纶科技（常州）有限公司 | A kind of solvent-resistant pressure sensitive adhesive and foam double-faced adhesive band |
| CN109913143A (en) * | 2019-03-13 | 2019-06-21 | 新纶科技（常州）有限公司 | A kind of preparation method of resistance to life reagent type pressure sensitive adhesive compositions and its adhesive tape |
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| CN1654580A (en) * | 2004-02-13 | 2005-08-17 | 国家淀粉及化学投资控股公司 | Adhesive containing radial block copolymer |
| CN102277112A (en) * | 2011-05-23 | 2011-12-14 | 波士胶芬得利（中国）粘合剂有限公司 | Wax-containing hot melt adhesive and disposable absorbent product |
| CN104284959A (en) * | 2012-04-26 | 2015-01-14 | 汉高股份有限及两合公司 | Hot melt adhesive |
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| CN1654580A (en) * | 2004-02-13 | 2005-08-17 | 国家淀粉及化学投资控股公司 | Adhesive containing radial block copolymer |
| CN102277112A (en) * | 2011-05-23 | 2011-12-14 | 波士胶芬得利（中国）粘合剂有限公司 | Wax-containing hot melt adhesive and disposable absorbent product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109777309A (en) * | 2018-12-27 | 2019-05-21 | 新纶科技（常州）有限公司 | A kind of adhesive and adhesive tape |
| CN109852263A (en) * | 2018-12-27 | 2019-06-07 | 新纶科技（常州）有限公司 | A kind of solvent-resistant pressure sensitive adhesive and foam double-faced adhesive band |
| CN109852268A (en) * | 2019-03-13 | 2019-06-07 | 新纶科技（常州）有限公司 | One kind gluing dead type without substrate double faced adhesive tape and preparation method thereof |
| CN109913143A (en) * | 2019-03-13 | 2019-06-21 | 新纶科技（常州）有限公司 | A kind of preparation method of resistance to life reagent type pressure sensitive adhesive compositions and its adhesive tape |
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| Publication number | Publication date |
|---|---|
| CN108865021B (en) | 2020-06-16 |
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