CN106752980A - A kind of acrylic adhesives of thickening - Google Patents
A kind of acrylic adhesives of thickening Download PDFInfo
- Publication number
- CN106752980A CN106752980A CN201611096991.3A CN201611096991A CN106752980A CN 106752980 A CN106752980 A CN 106752980A CN 201611096991 A CN201611096991 A CN 201611096991A CN 106752980 A CN106752980 A CN 106752980A
- Authority
- CN
- China
- Prior art keywords
- acrylic
- weight portions
- acrylic adhesives
- thickening
- monomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- 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
Abstract
The invention provides a kind of acrylic adhesives of thickening, including the following raw material polymeric reaction product：The polymerizable components of 50 90 weight portions, it includes carboxyl and alkyl contains 5 20 acrylic polymers of carbon atom；The base binder of 5 20 weight portions, it includes the matrix polymer based on acrylic monomer and optional vinyl monomer；The fusible type phenolic resin of 1 50 weight portions；The tackifier of 5 15 weight portions, the softening point of the tackifier is 50 100 DEG C and the cut without molecular weight more than 3000.The viscosity performance of adhesive of the invention is greatly improved, with excellent cohesive, heat resistance, machinability, operability and bin stability.
Description
Technical field
The present invention relates to adhesive, and in particular to a kind of acrylic adhesives of thickening.
Background technology
It is known in the art and uses acryloid cement, including hot-melt adhesive, heat-activatable adhesive and pressure-sensitive adhesion
Agent is bonded on various base materials.Acryloid cement, especially acrylic pressure-sensitive adhesive are due to its transparency and excellent
Ageing properties and known dawn.Although acryloid cement has versatility, on some base materials, such as some classes
The conventional acryloid cement of the automobile coating of type and low-surface-energy alkene surface can not be bonded well.Already to improving acrylic acid
Bonding force of the adhesive on these type surfaces is studied, and generally uses and base acrylate copolymer is increased
It is viscous.Various types of tackifying resins include terpenes, the hydrocarbon resin that phenol is modified.
Due to the high solubility parameter of most acrylic pressure-sensitive adhesives and in these adhesives and many tackifying resins
Between the special potential interaction that exists, the obtainable selection to tackifying resin of formulator is limited.As one
Resinoid, alkyl tackifying resin class, the hydrocarbon resin class for especially hydrogenating is not particularly well suited for preparing due to its non-polar nature
Polar acrylic's adhesive.In various acrylic pressure-sensitive adhesives, rosin acidic group tackifying resin and selected phenol are modified
Terpenes and australene ene based resins show good performance.But, these increasings of limited range are used in acryloid cement
Viscosity resin still suffers from some problems.The generally discoloration of the acrylic pressure-sensitive adhesive preparation of thickening turns yellow.These thickening acrylic acid
The flavescence outward appearance of contact adhesive is the direct result of the intrinsic special yellow tone of many this kind of tackifying resins.Even if using
The shallower other resin of color level, by aging and under light, this discoloration can also become quite obvious.Without tackifier
Acryloid cement often has excellent ageing properties.
The acrylic pressure-sensitive adhesive of thickening can also become cloudy, and show to be present in the propylene of many Acrylate pressure sensitive thickeninies
Transparency characteristic in acrylic binder suffers damage.This muddiness shows limited between tackifying resin and acrylate copolymer
Or incomplete compatibility.Compatibility reduction can cause bonding force performance to decline with aging, show as viscosity and decline or peel off
The reduction of bonding force.In some cases, to containing mixed between acrylic monomers, polymer, oligomer and its any a few persons
Tackifying resin is added in the acrylic adhesives of the thickening of compound can be transparent and be compatible.But, remove solvent with
Afterwards, solidification adhesive or by aging, adhesive can become muddy, show have between tackifier and acrylic acid base polymer
There are some incompatibilities.
The content of the invention
In order to solve the above-mentioned technical problem, it is the invention provides a kind of acrylic adhesives of thickening including following former
The polymeric reaction product of material：
The polymerizable components of 50-90 weight portions, it includes carboxyl and alkyl contains the 5-20 acrylic polymer of carbon atom
Compound；
The base binder of 5-20 weight portions, it includes the mother based on acrylic monomer and optional vinyl monomer
Body polymer；
The fusible type phenolic resin of 1-50 weight portions；
The tackifier of 5-15 weight portions, the softening point of the tackifier is 50-100 DEG C and the evaporating more than 3000 without molecular weight
Point.
Further, the tackifier press the reservation aromaticity of monomer percent by weight in the feed more than 40%.
Further, the acrylic monomer is selected from acrylic acid, methacrylic acid, butyl acrylate and acrylic acid ethyl
Own ester.
Further, the acrylic polymer includes 30-50 weight portions (methyl) acrylate, 15-20 weights
Measure the copolymer of (methyl) acrylonitrile of the carboxylic acid monomer comprising polymerizable unsaturated double bond and 40-50 weight portions of part.
Further, the raw material also includes polymerization initiator.
Further, also including additive, it includes at least one modified polydialkysiloxane.
Further, the modified polydialkysiloxane is the poly- methyl alkyl siloxane that is modified.
Further, the raw material also includes crosslinking agent.
Further, the raw material also includes plasticizer, and the plasticizer is selected from polyglycol ether, PEO, phosphorus
The combination of one or more in acid esters, alphatic carboxylic acid ester and benzoic ether.
The viscosity performance of adhesive of the invention is greatly improved, with excellent cohesive, heat resistance, machinability, behaviour
The property made and bin stability.
Specific embodiment
In one embodiment, the invention provides a kind of acrylic adhesives of thickening, including the following raw material is poly-
Close product：The polymerizable components of 50-90 weight portions, it includes carboxyl and alkyl contains the 5-20 acrylic compounds of carbon atom
Polymer；The base binder of 5-20 weight portions, it includes the mother based on acrylic monomer and optional vinyl monomer
Body polymer；The fusible type phenolic resin of 1-50 weight portions；The tackifier of 5-15 weight portions, the softening point of the tackifier is
50-100 DEG C and the cut without molecular weight more than 3000.The modified polydialkysiloxane is the poly- methyl alkyl silica that is modified
One of alkane, its effect are to ensure that additive is embedded into adhesive well.The type of alkyl used is in all situations in addition
Down depending on the concrete composition of adhesive.
The acrylic polymer is included including 30-50 weight portions (methyl) acrylate, 15-20 weight portions
The carboxylic acid monomer of polymerizable unsaturated double bond and the copolymer of (methyl) acrylonitrile of 40-50 weight portions.Above-mentioned (methyl) propylene
Acid esters assigns the adhesive sheet pliability for obtaining.The example of this (methyl) acrylate includes acrylate and methacrylate
Both.The specific example of acrylate includes methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, third
The different nonyl of olefin(e) acid isopentyl ester, the just own ester of acrylic acid, Isooctyl acrylate monomer, 2-EHA, n-octyl, acrylic acid
The positive last of the ten Heavenly stems ester of ester, acrylic acid and isodecyl acrylate.The specific example of methacrylate includes methyl methacrylate, methyl-prop
Olefin(e) acid ethyl ester, n-BMA, Isobutyl methacrylate, isopentyl methacrylate, the just own ester of methacrylic acid,
The different nonyl ester of EHMA, 2-Ethylhexyl Methacrylate, n octyl methacrylate, methacrylic acid, methyl
The positive last of the ten Heavenly stems ester of acrylic acid and isodecyl methacrylate.In these materials, carbon atom number is 10-30 wherein in alkyl, and excellent
(methyl) alkyl acrylate for selecting 1-4 is special needs.These (methyl) acrylate can be independent, or with two kinds or many
Plant being applied in combination for different compounds.
Above-mentioned several acid monomers comprising polymerizable unsaturated double bond assign present composition cohesive, while in the heating phase
Between with also playing crosslinking points.The example of this hydroxy acid monomer includes acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid
And itaconic acid, but preferably acrylic acid and methacrylic acid.These carboxylic acid monomers can be independent, or with two or more different chemical combination
Thing is applied in combination.Specifically, the cross-linking level in composition is appropriate and suitable, and adhesive sheet is viscous for target
The affinity of attached body is favourable, it is meant that during the processing of adhesive sheet, and foaming can not possibly occur in the adhesive phase of sheet material
Or sand holes, or even when treatment or solder bath treatment is heating and curing.
(methyl) acrylonitrile includes acrylonitrile and methacrylonitrile, and they also can be combined and use.(methyl) acrylonitrile
Assign adhesive sheet heat resistance, cohesive and chemical-resistant.
Fusible type phenolic resin assigns acrylic adhesive sheet material thermosetting performance, cohesive and heat resistance.Further, since
The synergy of the component and following inorganic fillers is combined, these performances become especially excellent.Fusible type phenolic resin
Specific example includes using phenol or bisphenol-A, alkylphenol such as p-t-butyl phenol, octyl phenol or p -cumylphenol or right
The fusible type phenolic resin that phenylphenol or cresols are prepared as raw material.
The reservation aromaticity that the tackifier press monomer percent by weight in the feed is more than 40%.The raw material is also
Including base binder, it includes the matrix polymer based on acrylic monomer and optional vinyl monomer, described third
Alkene acrylic monomer is selected from acrylic acid, methacrylic acid, butyl acrylate and EHA.
Further, the base binder is contact adhesive.The raw material also includes crosslinking agent and plasticizer, described
Plasticizer is selected from the group of one or more in polyglycol ether, PEO, phosphate, alphatic carboxylic acid ester and benzoic ether
Close.Preferred plasticizer can be dissolved in any solvent of presence with acrylate PSA or its solution therewith, be in application is heated
It is heat-staple, substantially without interference with polymerisation or cross-linking process, and can be with the acrylate in water base adhesive formula
PSA forms the emulsion of stabilization together.Tackifier and specific plasticizer is added to reach raising (such as highly dense to low-energy surface
Degree polyethylene) peel adhesion, without infringement in bonding strength.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (9)
1. a kind of acrylic adhesives of thickening, it is characterised in that the polymeric reaction product including the following raw material：
The polymerizable components of 50-90 weight portions, it includes carboxyl and alkyl contains the 5-20 acrylic polymer of carbon atom；
The base binder of 5-20 weight portions, it includes the parent based on acrylic monomer and optional vinyl monomer and gathers
Compound；
The fusible type phenolic resin of 1-50 weight portions；
The tackifier of 5-15 weight portions, the softening point of the tackifier is more than 3000 cut for 50-100 DEG C and without molecular weight.
2. acrylic adhesives of thickening according to claim 1, it is characterised in that the tackifier press monomer in original
The reservation aromaticity of the percent by weight in material is more than 40%.
3. acrylic adhesives of thickening according to claim 2, it is characterised in that the acrylic monomer is selected from
Acrylic acid, methacrylic acid, butyl acrylate and EHA.
4. acrylic adhesives of thickening according to claim 2, it is characterised in that the acrylic polymer is
(methyl) acrylate, the carboxylic acid monomer comprising polymerizable unsaturated double bond of 15-20 weight portions including 30-50 weight portions and
The copolymer of (methyl) acrylonitrile of 40-50 weight portions.
5. acrylic adhesives of thickening according to claim 4, it is characterised in that the raw material also draws including polymerization
Hair agent.
6. acrylic adhesives of the thickening according to any one of claim 2-5, it is characterised in that also including addition
Agent, it includes at least one modified polydialkysiloxane.
7. acrylic adhesives of thickening according to claim 6, it is characterised in that the modified poly-diakyl silica
Alkane is the poly- methyl alkyl siloxane that is modified.
8. acrylic adhesives of thickening according to claim 7, it is characterised in that the raw material also includes crosslinking
Agent.
9. acrylic adhesives of thickening according to claim 8, it is characterised in that the raw material also includes plasticising
Agent, the plasticizer be selected from polyglycol ether, PEO, phosphate, alphatic carboxylic acid ester and benzoic ether in one kind or
Several combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096991.3A CN106752980A (en) | 2016-12-02 | 2016-12-02 | A kind of acrylic adhesives of thickening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096991.3A CN106752980A (en) | 2016-12-02 | 2016-12-02 | A kind of acrylic adhesives of thickening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106752980A true CN106752980A (en) | 2017-05-31 |
Family
ID=58883041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611096991.3A Pending CN106752980A (en) | 2016-12-02 | 2016-12-02 | A kind of acrylic adhesives of thickening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106752980A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181777A (en) * | 1995-04-20 | 1998-05-13 | 美国3M公司 | Tackified acrylic adhesives |
| CN1754933A (en) * | 2004-09-29 | 2006-04-05 | 信越化学工业株式会社 | Acrylic adhesive composition and acrylic adhesive sheet |
| CN101148569A (en) * | 2006-09-20 | 2008-03-26 | 蒂萨股份公司 | Adhesive matter |
| CN102119200A (en) * | 2008-07-02 | 2011-07-06 | 3M创新有限公司 | Low surface energy adhesive |
-
2016
- 2016-12-02 CN CN201611096991.3A patent/CN106752980A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181777A (en) * | 1995-04-20 | 1998-05-13 | 美国3M公司 | Tackified acrylic adhesives |
| CN1754933A (en) * | 2004-09-29 | 2006-04-05 | 信越化学工业株式会社 | Acrylic adhesive composition and acrylic adhesive sheet |
| CN101148569A (en) * | 2006-09-20 | 2008-03-26 | 蒂萨股份公司 | Adhesive matter |
| CN102119200A (en) * | 2008-07-02 | 2011-07-06 | 3M创新有限公司 | Low surface energy adhesive |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |