CN107286880A - A kind of SGA of low temperature resistant high tack and preparation method thereof - Google Patents
A kind of SGA of low temperature resistant high tack and preparation method thereof Download PDFInfo
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- CN107286880A CN107286880A CN201710651120.1A CN201710651120A CN107286880A CN 107286880 A CN107286880 A CN 107286880A CN 201710651120 A CN201710651120 A CN 201710651120A CN 107286880 A CN107286880 A CN 107286880A
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- sga
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- resistant high
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Abstract
The present invention relates to pressure sensitive adhesive technical field, more particularly to a kind of SGA and preparation method thereof.The invention discloses a kind of SGA of low temperature resistant high tack, prepared by the following raw material：Sticky monomer, cross-linking monomer, initiator, crosslinking agent, hydroxy resin, tackifying resin, solvent.The present invention is triggered by low temperature prepares the sour prepolymer of high-molecular-weight propylenes of the Tg less than 50 DEG C, assigning acrylate glue has excellent low-temperature pliability, and preferable tack, simultaneously, pass through outer addition terminal hydroxy group hydrogenated butadiene polymer and carbon 5, the Petropols of carbon 9, and the acrylate pressure-sensitive adhesive obtained using isocyanates crosslinking agent and the dual crosslinking curing of epoxies crosslinking agent, with higher cohesive strength, initial adhesive strength, relatively low peel strength, and low temperature resistant, moisture resistance, flexibility is good, have the advantages that to be easily removed and without cull.
Description
Technical field
The present invention relates to pressure sensitive adhesive technical field, more particularly to a kind of SGA and preparation method thereof.
Background technology
With the fast development of electronic enterprises, for the transport of electronic product, the requirement protected is shifted also increasingly
Height, in addition to glued membrane is claimed and has to electronic component and is not remained after good stickiness and removal, it is desirable to low
There is excellent stickiness to electronic component in temperature, moist environment, do not warp, at the same glued membrane have preferable flexibility with
And water resistance, peel strength declines unobvious.
The content of the invention
First purpose of the present invention is to provide a kind of SGA of low temperature resistant high tack.
Second object of the present invention is to provide a kind of preparation method of aforesaid propylene acid esters glue.
What the purpose of the present invention was implemented by the following technical programs：
A kind of SGA of low temperature resistant high tack, is prepared by the raw material of following parts by weight：
Further, the sticky monomer is one or both of butyl acrylate, Isooctyl acrylate monomer.
Further, the cross-linking monomer is one or both of acrylic acid, hydroxy-ethyl acrylate.
Further, the hydroxy resin is hydrogenation end hydroxy butadiene.
Further, the tackifying resin is one or both of the Petropols of carbon 5, the Petropols of carbon 9.
Further, the initiator is one or both of benzoyl peroxide, azodiisobutyronitrile.
Further, the crosslinking agent is one or both of isocyanates, epoxy resin crosslinking agent.
Further, the solvent is one or both of ethyl acetate, toluene.
The preparation method of the SGA of above-mentioned low temperature resistant high tack, comprises the following steps：
(1) sticky monomer, cross-linking monomer, initiator, crosslinking agent, hydroxy resin, tackifying resin, solvent are weighed, by hydroxyl
Resin, tackifying resin, which are dissolved in partial solvent, to be obtained resin solution, crosslinking agent is dissolved in partial solvent obtains cross-linking agent solution；
(2) the sticky monomer in step (1) and cross-linking monomer are mixed, weigh 2/3rds mix monomer and first
Divide initiator, solvent mixing, add in container as bed material, lead to nitrogen, stir and be warming up to 68-72 DEG C, progress isothermal reaction
1h；
(3) Part II initiator is added in the mixture obtained to step (2), isothermal reaction 1h is added dropwise remaining mixed
Monomer and partial solvent are closed, is added dropwise after 1h, isothermal reaction 1h and adds Part III initiator, 5~6h of isothermal reaction is carried out, plus
Enter residual solvent and stir；
(4) mixture that step (3) is obtained is cooled to room temperature, discharging, mixes, produces with resin solution, cross-linking agent solution
The SGA of low temperature resistant high tack.
The temperature of isothermal reaction is 68~72 DEG C in the step (2) and step (3).
The Part I, Part II, the weight ratio of Part III initiator are 1:1:1.
The present invention is triggered by design and low temperature prepares the sour prepolymer of high-molecular-weight propylenes of the Tg less than -50 DEG C, assigns third
Olefin(e) acid glue has excellent low-temperature pliability, and preferably tack, meanwhile, pass through outer addition terminal hydroxy group hydrogenated butadiene polymer
And carbon 5, the Petropols of carbon 9, and obtained using isocyanates crosslinking agent and the dual crosslinking curing of epoxies crosslinking agent
Acrylate pressure-sensitive adhesive, with higher cohesive strength, initial adhesive strength, relatively low peel strength, and low temperature resistant, humidity
Property, flexibility is good, has the advantages that to be easily removed and without cull.
Beneficial effects of the present invention are：
A kind of SGA for low temperature resistant high tack that the present invention is provided, is triggered using low temperature and polymerize, generation it is poly-
Adduct molecule amount is high, and high conversion rate, while addition terminal hydroxy group hydrogenated butadiene polymer and carbon 5, the Petropols of carbon 9 outside, pass through
Acrylate glue after isocyanate crosslinking and epoxy crosslinking agent dual cure have higher cohesive strength and initial adhesive strength,
Excellent ageing-resistant performance, easily remove and cull, flexibility be not good, resistance to low temperature is excellent, to PE, PP, PMMA, PET, stainless
The materials such as steel, glass have good bond effect, and stickiness is good under cryogenic, and glued membrane flexibility is excellent, do not warp.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
The raw material of the present invention is that market can obtain product, wherein, tackifying resin：The Petropols of carbon 5, the Petropols of carbon 9 are purchased from
Jitian Chemical Co., Ltd. of Shenzhen；Crosslinker isocyanate L75 is purchased from Bayer A.G, and isocyanate group content is
13.3%；GA240 is epoxy resin crosslinking agent, and epoxide equivalent is 95-110g/ equivalents, purchased from Shenzhen's Jia Dida new materials
Science and Technology Ltd., hydroxy resin is purchased from Sartomer.
Embodiment 1
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 25g and Isooctyl acrylate monomer 75g, cross-linking monomer acrylic acid 1g and acrylic acid hydroxyl
Ethyl ester 1g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102g and toluene 87.5g, the Petropols 5g of carbon 5, carbon 9
Petropols 5g, hydrogenates end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation end hydroxy butadiene
It is dissolved in 80g toluene and obtains resin solution, by 0.2g isocyanates crosslinking agent L75 and 0.3g epoxies crosslinking agent
GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, be added in 500mL four-hole boiling flask as bed material, be passed through nitrogen 10min, will
Air displacement in flask is complete, stirs and is rapidly heated in a water bath to 70 DEG C, isothermal reaction 1h；Add 0.06g azos two
Isobutyronitrile, continues to react 1h, and remaining mix monomer and ethyl acetate 27.8g is added dropwise, is added dropwise after 1h, isothermal reaction 1h, again
0.06g azodiisobutyronitriles are added, continue insulation reaction 6h, 18.6g ethyl acetate is added, 5min is stirred；Room temperature is cooled to, is taken
The viscosity solution gone out in flask, 5min is stirred after adding resin solution, epoxies cross-linking agent solution, adds isocyanates friendship
Connection agent easily stirs, and prepares the SGA of low temperature resistant high tack.
Embodiment 2
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 20g and Isooctyl acrylate monomer 80g, cross-linking monomer acrylic acid 1g and acrylic acid hydroxyl
Ethyl ester 1g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102g and toluene 87.5g, the Petropols 5g of carbon 5, carbon 9
Petropols 5g, hydrogenates end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation end hydroxy butadiene
It is dissolved in 80g toluene and obtains resin solution, by 0.3g isocyanates crosslinking agent L75 and 0.2g epoxies crosslinking agent
GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, be added in 500mL four-hole boiling flask as bed material, be passed through nitrogen 10min, will
Air displacement in flask is complete, stirs and is rapidly heated in a water bath to 70 DEG C, isothermal reaction 1h；Add 0.06g azos two
Isobutyronitrile, continues to react 1h, and remaining mix monomer and ethyl acetate 27.8g is added dropwise, is added dropwise after 1h, isothermal reaction 1h, again
0.06g azodiisobutyronitriles are added, continue insulation reaction 6h, 18.6g ethyl acetate is added, 5min is stirred；Room temperature is cooled to, is taken
The viscosity solution gone out in flask, 5min is stirred after adding resin solution, epoxies cross-linking agent solution, adds isocyanates friendship
Connection agent easily stirs, and prepares the SGA of low temperature resistant high tack.
Embodiment 3
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 25g and Isooctyl acrylate monomer 75g, cross-linking monomer acrylic acid 0.5g and acrylic acid
Hydroxyl ethyl ester 1.5g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102g and toluene 87.5g, the Petropols 5g of carbon 5,
The Petropols 5g of carbon 9, hydrogenates end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation terminal hydroxy group polybutadiene
Alkene, which is dissolved in 80g toluene, obtains resin solution, by 0.3g isocyanates crosslinking agent L75 and 0.2g epoxies crosslinking agent
GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, and after the mixing of 55.6g ethyl acetate solvents, be added to 500mL four-hole boiling flask
It is middle to be passed through nitrogen 10min as bed material, the air in flask is replaced completely, stirs and is simultaneously rapidly heated in a water bath to 70 DEG C,
Isothermal reaction 1h；0.06g azodiisobutyronitriles are added, continue to react 1h, remaining mix monomer and ethyl acetate is added dropwise
27.8g, is added dropwise after 1h, isothermal reaction 1h, and 0.06g azodiisobutyronitriles are added again, continues insulation reaction 6h, adds 18.6g
Ethyl acetate, stirs 5min；Room temperature is cooled to, the viscosity solution in flask is taken out, resin solution is added, epoxies crosslinking agent is molten
5min is stirred after liquid, isocyanates crosslinking agent is added and easily stirs, the propylene of low temperature resistant high tack is prepared
Acid esters glue.
Embodiment 4
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 20g and Isooctyl acrylate monomer 80g, cross-linking monomer acrylic acid 1g and acrylic acid hydroxyl
Ethyl ester 1.5g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102.5g and toluene 87.5g, the Petropols 5g of carbon 5,
The Petropols 5g of carbon 9, hydrogenates end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation terminal hydroxy group polybutadiene
Alkene, which is dissolved in 80g toluene, obtains resin solution, by 0.3g isocyanates crosslinking agent L75 and 0.25g epoxies crosslinking agent
GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, and after the mixing of 55.9g ethyl acetate solvents, be added to 500mL four-hole boiling flask
It is middle to be passed through nitrogen 10min as bed material, the air in flask is replaced completely, stirs and is simultaneously rapidly heated in a water bath to 70 DEG C,
Isothermal reaction 1h；0.06g azodiisobutyronitriles are added, continue to react 1h, remaining mix monomer and ethyl acetate is added dropwise
27.9g, is added dropwise after 1h, isothermal reaction 1h, and 0.06g azodiisobutyronitriles are added again, continues insulation reaction 6h, adds 18.7g
Ethyl acetate, stirs 5min；Room temperature is cooled to, the viscosity solution in flask is taken out, resin solution is added, epoxies crosslinking agent is molten
5min is stirred after liquid, isocyanates crosslinking agent is added and easily stirs, the propylene of low temperature resistant high tack is prepared
Acid esters glue.
Embodiment 5
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 20g and Isooctyl acrylate monomer 80g, cross-linking monomer acrylic acid 1.5g and acrylic acid
Hydroxyl ethyl ester 1g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102.5g and toluene 87.5g, the Petropols of carbon 5
7.5g, the Petropols 7.5g of carbon 9, hydrogenate end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation end hydroxyl
Base polybutadiene, which is dissolved in 80g toluene, obtains resin solution, by 0.2g isocyanates crosslinking agent L75 and 0.3g epoxies
Crosslinking agent GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, and after the mixing of 55.9g ethyl acetate solvents, be added to 500mL four-hole boiling flask
It is middle to be passed through nitrogen 10min as bed material, the air in flask is replaced completely, stirs and is simultaneously rapidly heated in a water bath to 70 DEG C,
Isothermal reaction 1h；0.06g azodiisobutyronitriles are added, continue to react 1h, remaining mix monomer, and ethyl acetate is added dropwise
27.9g, is added dropwise after 1h, isothermal reaction 1h, and 0.06g azodiisobutyronitriles are added again, continues insulation reaction 6h, adds 18.7g
Ethyl acetate, stirs 5min；Room temperature is cooled to, the viscosity solution in flask is taken out, resin solution is added, epoxies crosslinking agent is molten
5min is stirred after liquid, isocyanates crosslinking agent is added and easily stirs, the propylene of low temperature resistant high tack is prepared
Acid esters glue.
Embodiment 6
A kind of preparation method of the SGA of low temperature resistant high tack, it is specific as follows：
Weigh sticky monomer butyl acrylate 25g and Isooctyl acrylate monomer 75g, cross-linking monomer acrylic acid 1.5g and acrylic acid
Hydroxyl ethyl ester 1g, initiator azodiisobutyronitrile 0.18g, solvent ethyl acetate 102.5g and toluene 87.5g, the Petropols of carbon 5
7.5g, the Petropols 7.5g of carbon 9, hydrogenate end hydroxy butadiene 5g, by the Petropols of carbon 5, the Petropols of carbon 9, hydrogenation end hydroxyl
Base polybutadiene, which is dissolved in 80g toluene, obtains resin solution, by 0.2g isocyanates crosslinking agent L75 and 0.3g epoxies
Crosslinking agent GA240 is dissolved in 3.75g toluene respectively obtains two kinds of cross-linking agent solutions.
Sticky monomer and cross-linking monomer are mixed, the mix monomer and 0.06g azodiisobutyronitriles for weighing 2/3rds draw
Send out after agent, the mixing of 55.6g ethyl acetate solvents, and after the mixing of 55.9g ethyl acetate solvents, be added to 500mL four-hole boiling flask
It is middle to be passed through nitrogen 10min as bed material, the air in flask is replaced completely, stirs and is simultaneously rapidly heated in a water bath to 70 DEG C,
Isothermal reaction 1h；0.06g azodiisobutyronitriles are added, continue to react 1h, remaining mix monomer and ethyl acetate is added dropwise
27.9g, is added dropwise after 1h, isothermal reaction 1h, and 0.06g azodiisobutyronitriles are added again, continues insulation reaction 6h, adds 18.7g
Ethyl acetate, stirs 5min；Room temperature is cooled to, the viscosity solution in flask is taken out, resin solution is added, epoxies crosslinking agent is molten
5min is stirred after liquid, isocyanates crosslinking agent is added and easily stirs, the propylene of low temperature resistant high tack is prepared
Acid esters glue.
1-6 of embodiment of the present invention SGA is tested：
Preparation method of sample：In the BOPET film that obtained SGA is coated on to 25 μm, in 120 DEG C of baking oven
After middle baking 2min, 50 DEG C of curings are prepared into test test specimen after 48 hours, and test test specimen gross thickness is 45-50 μm.
Method of testing：Tack according to《Pressure-sensitive tape tack test method (rolling ball method)》GBT4852-2002 is surveyed
It is fixed；Peel test force according to《180 ° of peeling strength test methods of pressure-sensitive tape》GBT2792-1998 is determined.Test panels are equal
For stainless steel mirror board.Test result see the table below：
By upper table, acrylic pressure-sensitive adhesivee of the invention has higher tack, relatively low peel strength, 180 ° of strippings
Intensity is in 2-2.8N/25mm, and cull was not up to more than 10 days for 70 DEG C of agings, and -20 DEG C of glued membrane softnesses do not warp.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of SGA of low temperature resistant high tack, it is characterised in that prepared by the raw material of following parts by weight：
2. the SGA of a kind of low temperature resistant high tack according to claim 1, it is characterised in that the viscosity is single
Body is one or both of butyl acrylate, Isooctyl acrylate monomer.
3. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the crosslinking list
Body is one or both of acrylic acid, hydroxy-ethyl acrylate.
4. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the hydroxyl tree
Fat is terminal hydroxy group hydrogenated butadiene polymer.
5. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the thickening tree
Fat is one or both of the Petropols of carbon 5, the Petropols of carbon 9.
6. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the initiator
For one or both of benzoyl peroxide, azodiisobutyronitrile.
7. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the crosslinking agent
For one or both of isocyanates, epoxy resin crosslinking agent.
8. a kind of SGA of low temperature resistant high tack according to claim 1, it is characterised in that the solvent is
One or both of ethyl acetate, toluene.
9. a kind of preparation method of the SGA of low temperature resistant high tack according to claim any one of 1-8, its
It is characterised by, comprises the following steps：
(1) sticky monomer, cross-linking monomer, initiator, crosslinking agent, hydroxy resin, tackifying resin, solvent are weighed, by hydroxy resin,
Tackifying resin, which is dissolved in partial solvent, to be obtained resin solution, crosslinking agent is dissolved in partial solvent obtains cross-linking agent solution；
(2) the sticky monomer in step (1) and cross-linking monomer are mixed, the mix monomer and Part I for weighing 2/3rds draw
Agent, solvent mixing are sent out, adds in container as bed material, leads to nitrogen, stirs and is warming up to 68-72 DEG C, progress isothermal reaction 1h；
(3) Part II initiator is added in the mixture obtained to step (2), it is single that remaining mixing is added dropwise in isothermal reaction 1h
Body and partial solvent, are added dropwise after 1h, isothermal reaction 1h and add Part III initiator, carry out 5~6h of isothermal reaction, add surplus
Remaining solvent is simultaneously stirred；
(4) mixture that step (3) is obtained is cooled to room temperature, discharging, mixes, produces resistance to low with resin solution, cross-linking agent solution
The SGA of the high tack of temperature.
10. a kind of preparation method of the SGA of low temperature resistant high tack according to claim 9, its feature exists
In the temperature of isothermal reaction is 68~72 DEG C in the step (2) and step (3)；The Part I, Part II, the 3rd
The weight ratio of part initiator is 1:1:1.
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| CN110699018A (en) * | 2019-09-07 | 2020-01-17 | 安佐化学有限公司 | High-performance environment-friendly adhesive and preparation method thereof |
| CN114163951A (en) * | 2022-01-20 | 2022-03-11 | 安徽衡光新材料科技有限公司 | Preparation method of pressure-sensitive adhesive with gradient structure, high initial adhesion and low peel strength |
| CN114933877A (en) * | 2022-04-13 | 2022-08-23 | 江西盛富莱光学科技股份有限公司 | High molecular weight solvent type acrylate pressure-sensitive adhesive and preparation method thereof |
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| CN116589954B (en) * | 2023-04-13 | 2024-01-23 | 江苏金大包装材料科技有限公司 | Preparation process of low-temperature-resistant pressure-sensitive adhesive |
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Application publication date: 20171024 |