CN104449507A - High-strength epoxy resin adhesive and preparation method thereof - Google Patents
High-strength epoxy resin adhesive and preparation method thereof Download PDFInfo
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- CN104449507A CN104449507A CN201410694557.XA CN201410694557A CN104449507A CN 104449507 A CN104449507 A CN 104449507A CN 201410694557 A CN201410694557 A CN 201410694557A CN 104449507 A CN104449507 A CN 104449507A
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- epoxy resin
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- polyamine curing
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Abstract
The invention relates to high-strength epoxy resin adhesive and a preparation method thereof and belongs to the technical field of epoxy resin adhesives. The high-strength epoxy resin adhesive comprises the following raw materials in parts by weight: 40-60 parts of epoxy resin E-51, 10-15 parts of benzoxazine resin, 10-20 parts of a single polyamine curing agent A, 5-10 parts of a single polyamine curing agent B, 5-10 parts of a reactive diluent, 5-10 parts of quartz powder, 5-10 parts of titanium white, 5-8 parts of dibutyl phthalate and 3-5 parts of polysulfide rubber. The benzoxazine resin is added in an epoxy resin curing system, and an amine-benzoxazine compound catalytic curing system is adopted, so that the high-performance epoxy resin adhesive is prepared. The curing system has the advantages of being low in curing temperature and easy to control in curing process, and the prepared curing product is good in comprehensive mechanical property.
Description
Technical field
The present invention relates to a kind of caking agent and preparation method thereof, more particularly, the present invention relates to a kind of high strength epoxy resin caking agent and preparation method thereof, belong to epoxy resin adhesive technical field.
Background technology
Epoxy resin is the organic compound containing two or more epoxide groups in general reference molecule, and except indivedual, their relative molecular mass is not high.The molecular structure of epoxy resin be with in molecular chain containing active epoxide group for its feature, epoxide group can be positioned at the end of molecular chain, centre or structure circlewise.Due in molecular structure containing active epoxide group, make they can with polytype solidifying agent generation crosslinking reaction and formed and insoluble, not molten there is the cancellated superpolymer of three-dimensional.Epoxy resin is the thermosetting resin that a kind of cementability is strong, shrinking percentage is little, good corrosion resistance, processing performance are good.
It is CN102086362A that State Intellectual Property Office discloses a publication number in 2011.6.8, and the patent of invention that name is called " high-strength high-elasticity epoxy adhesive ", which discloses the epoxy adhesive that a kind of toughness is high, good springiness, cementability are good.Described high-strength high-elasticity epoxy adhesive is applicable to steel-steel bonding and steel-metal bonding.The epoxy resin that tackiness agent of the present invention adopts is the resin in molecule with two or more epoxide group, comprises bisphenol A epoxide resin, bisphenol F epoxy resin, novolac epoxy, glycidyl ester type epoxy resin, glycidyl amine type epoxy resin etc.
It is CN102850981A that State Intellectual Property Office discloses a publication number in 2013.1.2, name is called the patent of invention of " a kind of epoxy resin adhesive ", which disclose a kind of epoxy resin adhesive, comprise following composition: epoxy resin 35-45 weight part, diethylenetriamine 4-6 weight part, dibutyl phthalate 6-8 weight part.Epoxy resin adhesive of the present invention has following technique effect: at room temperature solidify after three days and can reach higher-strength, its adhesive effect is good, and environmental protection.
After epoxy resin cure in above-mentioned patent, weathering resistance is poor, matter is crisp, poor impact resistance, easily ftracture, and namely toughness deficiency makes it be restricted in application.
Summary of the invention
The present invention is intended to the problem solving above-mentioned prior art, provides a kind of high strength epoxy resin caking agent, to improve the mechanical property after epoxy resin cure.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
A kind of high strength epoxy resin caking agent, is characterized in that: comprise the following raw material according to weight parts:
Epoxy resin E-51 40-60 part
Benzoxazine resin 10-15 part
Single polyamine curing agent A 10-20 part
Single polyamine curing agent B 5-10 part
Reactive thinner 5-10 part
Silica powder 5-10 part
Titanium dioxide 5-10 part
Dibutyl phthalate 5-8 part
Thiorubber 3-5 part.
Single polyamine curing agent A of the present invention is aromatic amine curing agent.
Single polyamine curing agent B of the present invention is aliphatic cyclic amine solidifying agent.
A preparation method for high strength epoxy resin caking agent, is characterized in that: comprise following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
In step, described heating refers to and is heated to 150-180 DEG C in the present invention.
The Advantageous Effects that the present invention brings:
After the invention solves the solidification of prior art epoxy resin, weathering resistance is poor, matter is crisp, poor impact resistance, easily ftracture, and namely toughness deficiency makes its problem be restricted on applying.The present invention adopts benzoxazine resin, maintains high temperature resistant, fire-retardant, good electrical property and the mechanical property of traditional resol, has the characteristics such as good physical mechanical processing characteristics after curing molding.The present invention by adding benzoxazine resin in epoxy resin solidifying system, adopt amine-benzoxazine composite catalyzing curing system, prepare high-performance epoxy resin caking agent, it is not high that this curing system has solidification value, the advantages such as solidification process is easy to control, and gained solidifying product comprehensive mechanical property is excellent.
Embodiment
embodiment 1
A kind of high strength epoxy resin caking agent, comprises the following raw material according to weight parts:
Epoxy resin E-51 40 parts
Benzoxazine resin 10 parts
Single polyamine curing agent A 10 parts
Single polyamine curing agent B 5 parts
Reactive thinner 5 parts
Silica powder 5 parts
Titanium dioxide 5 parts
Dibutyl phthalate 5 parts
Thiorubber 3 parts.
embodiment 2
A kind of high strength epoxy resin caking agent, comprises the following raw material according to weight parts:
Epoxy resin E-51 60 parts
Benzoxazine resin 15 parts
Single polyamine curing agent A 20 parts
Single polyamine curing agent B 10 parts
Reactive thinner 10 parts
Silica powder 10 parts
Titanium dioxide 10 parts
Dibutyl phthalate 8 parts
Thiorubber 5 parts.
embodiment 3
A kind of high strength epoxy resin caking agent, comprises the following raw material according to weight parts:
Epoxy resin E-51 50 parts
Benzoxazine resin 13 parts
Single polyamine curing agent A 15 parts
Single polyamine curing agent B 7 parts
Reactive thinner 8 parts
Silica powder 7 parts
Titanium dioxide 8 parts
Dibutyl phthalate 6 parts
Thiorubber 4 parts.
embodiment 4
A kind of high strength epoxy resin caking agent, comprises the following raw material according to weight parts:
Epoxy resin E-51 45 parts
Benzoxazine resin 12 parts
Single polyamine curing agent A 18 parts
Single polyamine curing agent B 9 parts
Reactive thinner 6 parts
Silica powder 6 parts
Titanium dioxide 9 parts
Dibutyl phthalate 7 parts
Thiorubber 3.5 parts.
embodiment 5
On the basis of embodiment 1-4, preferred:
Described single polyamine curing agent A is aromatic amine curing agent.
Described single polyamine curing agent B is aliphatic cyclic amine solidifying agent.
embodiment 6
A preparation method for high strength epoxy resin caking agent, comprises following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
Preferred on the basis of such scheme, in step, described heating refers to and is heated to 150 DEG C.
embodiment 7
A preparation method for high strength epoxy resin caking agent, comprises following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
Preferred on the basis of such scheme, in step, described heating refers to and is heated to 180 DEG C.
embodiment 8
A preparation method for high strength epoxy resin caking agent, comprises following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
Preferred on the basis of such scheme, in step, described heating refers to and is heated to 165 DEG C.
embodiment 9
A preparation method for high strength epoxy resin caking agent, comprises following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
Preferred on the basis of such scheme, in step, described heating refers to and is heated to 175 DEG C.
Claims (5)
1. a high strength epoxy resin caking agent, is characterized in that: comprise the following raw material according to weight parts:
Epoxy resin E-51 40-60 part
Benzoxazine resin 10-15 part
Single polyamine curing agent A 10-20 part
Single polyamine curing agent B 5-10 part
Reactive thinner 5-10 part
Silica powder 5-10 part
Titanium dioxide 5-10 part
Dibutyl phthalate 5-8 part
Thiorubber 3-5 part.
2. a kind of high strength epoxy resin caking agent according to claim 1, is characterized in that: described single polyamine curing agent A is aromatic amine curing agent.
3. a kind of high strength epoxy resin caking agent according to claim 1 and 2, is characterized in that: described single polyamine curing agent B is aliphatic cyclic amine solidifying agent.
4. the preparation method of a kind of high strength epoxy resin caking agent according to claim 1, is characterized in that: comprise following processing step:
A, epoxy resin E-51, benzoxazine resin and thiorubber to be heated in container, mix to obtain first mixture, for subsequent use;
B, single polyamine curing agent A, single polyamine curing agent B, dibutyl phthalate and reactive thinner to be mixed in another container;
C, silica powder, titanium dioxide are joined in the container in step B, high speed dispersion, then to mill to obtain second mixture through twin-roll machine, for subsequent use;
D, first mixture and second mixture fully to be mixed, obtain high strength epoxy resin caking agent.
5. the preparation method of a kind of high strength epoxy resin caking agent according to claim 4, it is characterized in that: in step, described heating refers to and is heated to 150-180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694557.XA CN104449507A (en) | 2014-11-27 | 2014-11-27 | High-strength epoxy resin adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694557.XA CN104449507A (en) | 2014-11-27 | 2014-11-27 | High-strength epoxy resin adhesive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104449507A true CN104449507A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410694557.XA Pending CN104449507A (en) | 2014-11-27 | 2014-11-27 | High-strength epoxy resin adhesive and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105617442A (en) * | 2016-03-01 | 2016-06-01 | 苏州市贝克生物科技有限公司 | Adhesive for adhesive bandage and preparation method of adhesive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050344A (en) * | 2007-04-30 | 2007-10-10 | 湖南神力实业有限公司 | Epoxy binder modified by micropowder of crosslinked rubber, and preparation method |
| WO2010098154A1 (en) * | 2009-02-24 | 2010-09-02 | 住友電気工業株式会社 | Adhesive resin compositions, and laminates and flexible printed wiring boards using same |
| CN101851480A (en) * | 2010-05-11 | 2010-10-06 | 华烁科技股份有限公司 | Halogen-free and phosphorous-free flame-retardant synthetic resin adhesive used for flexible copper clad laminate |
-
2014
- 2014-11-27 CN CN201410694557.XA patent/CN104449507A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050344A (en) * | 2007-04-30 | 2007-10-10 | 湖南神力实业有限公司 | Epoxy binder modified by micropowder of crosslinked rubber, and preparation method |
| WO2010098154A1 (en) * | 2009-02-24 | 2010-09-02 | 住友電気工業株式会社 | Adhesive resin compositions, and laminates and flexible printed wiring boards using same |
| CN101851480A (en) * | 2010-05-11 | 2010-10-06 | 华烁科技股份有限公司 | Halogen-free and phosphorous-free flame-retardant synthetic resin adhesive used for flexible copper clad laminate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105617442A (en) * | 2016-03-01 | 2016-06-01 | 苏州市贝克生物科技有限公司 | Adhesive for adhesive bandage and preparation method of adhesive |
| CN105617442B (en) * | 2016-03-01 | 2019-02-19 | 苏州市贝克生物科技有限公司 | Adhesive bandage adhesive and preparation method thereof |
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Application publication date: 20150325 |