CN103773297B - Epoxy adhesive - Google Patents
Epoxy adhesive Download PDFInfo
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- CN103773297B CN103773297B CN201410013524.4A CN201410013524A CN103773297B CN 103773297 B CN103773297 B CN 103773297B CN 201410013524 A CN201410013524 A CN 201410013524A CN 103773297 B CN103773297 B CN 103773297B
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- epoxy adhesive
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- curing agent
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Abstract
The invention provides a kind of epoxy adhesive, comprise that host, curing agent and three kinds of components of diluent mix, host: curing agent: diluent=6: 1: 2-3, weight ratio, the component of host comprises epoxy resin, the percentage by weight of described epoxy resin is 22.0-26.0%, and the epoxide equivalent of described epoxy resin is 400-600. Epoxy adhesive provided by the invention can show excellent adhesive force on carbon steel, stainless steel ground, and adhesive force is greater than 2.5kg/cm2, especially also have good adhesive force with polyurethane foaming layer above. Do polyurethane foaming layer on carbon steel, stainless steel time, epoxy adhesive of the present invention can serve as a connection as transition zone, makes metallic plate and polyurethane foaming layer firm attachment.
Description
Technical field
The present invention relates to a kind of epoxy adhesive.
Background technology
Frozen products insulated container production technology conventionally with epoxy primer do rust-preventing aluminum alloy plate, carbon steel or stainless steel flaggy withThe tack coat of foaming layer. Such epoxy primer is good to substrate adhesion, but poor to the adhesive force of upper strata foaming layer, shakinessFixed, cause coating, thereby produce man-hour and waste of material.
Summary of the invention
The object of the present invention is to provide a kind of epoxy adhesive, the above-mentioned defect existing to overcome prior art.
Epoxy adhesive provided by the invention, comprises that host, curing agent and three kinds of components of diluent mix, host:Curing agent: diluent=6: 1: 2-3, weight ratio, host comprises acrylic resin modified, described acrylic resin modified for encirclingOxygen modified hydroxyl acrylic resin.
Wherein, the component of host and percentage by weight comprise:
The epoxy resin that the preferred epoxide equivalent of described epoxy resin is 400-600.
Described acrylic resin modified be epoxy modified hydroxyl acrylic resin.
Described anti-settling agent is organobentonite.
Described dispersant is selected the polyamide acid salt of HMW.
Described talcum powder is 325-400 order talcum powder.
Described calcium carbonate is 600-800 order powdered whiting.
Described silane coupler is diaminourea functional silane coupling agent.
Component and the percentage by weight of curing agent comprise:
The modified polyamide epoxy hardener resin that described polyamide preferred amines value is 200-300.
Described modified amine resin is that amine value is the phenol aldehyde modified amine epoxy curing agent resin of 100-300.
Described catalyst selects aromatic nitrile base.
Promoter is the novel reaction type curable epoxide promoter containing reactive hydrogen.
Component and the percentage by weight of diluent comprise:
Epoxy adhesive of the present invention and manufacture method thereof, comprise the steps:
(1) host: by epoxy resin, acrylic resin modified, anti-settling agent, dispersant, iron oxide yellow, join in proportion dispersionIn the storage cylinder of machine, with the pre-dispersed 10-20 minute of speed of 400-600rpm, upper sand mill is ground to fineness for≤25 μ m; ThenBy rutile titanium white powder, talcum powder, calcium carbonate, feed intake in proportion, with the rate of dispersion of 1000rpm, be dispersed to fineness for≤65 μM, temperature≤50 DEG C; Finally, add surplus stock, 400-600rpm speed stirs evenly to obtain host.
(2) curing agent: by polyamide, dimethylbenzene, dispersant, phthalocyanine green, isobutanol, join in proportion dispersion machineStorage cylinder in, with the pre-dispersed 10-20 minute of speed of 400-600rpm, upper sand mill is ground to fineness for≤50 μ m; Add againModified amine resin, catalyst, promoter, dimethylbenzene and ethanol stir evenly, and make curing agent.
(3) diluent:
By isobutanol, dimethylbenzene, sour secondary butyl ester and propylene glycol monomethyl ether, circulate or stir by mixer by gear pumpMix, make diluent.
Using method of the present invention is as follows:
Epoxy adhesive of the present invention in use, mixes host, curing agent and diluent, the part by weight of mixingFor: host: curing agent: diluent=6: 1: 2-3, then adopts static, has gas or airless spraying to construct.
Epoxy adhesive provided by the invention, has the following advantages:
Epoxy adhesive of the present invention is by host and curing agent is reasonably combined makes.
1. the invention provides epoxy adhesive, the epoxy resin of selecting contains various polarity group and active large epoxyBase; Solidify time cubical contraction little, add filler after cubical contraction less, reduce product shrink, reduce internal stress; Ring simultaneouslyThe cohesive strength of oxygen curing agent is very large, so metal substrate is had to very strong bonding force.
2. the invention provides epoxy adhesive, select epoxy modified hydroxyl allyl resin, this resin contains primary hydroxyl, hydroxylCan there is cross-linking reaction with the curing agent MDI of the polyurethane foaming layer on upper strata, increase the adhesive force with foaming layer.
3. the invention provides epoxy adhesive, select the filler that 325-400 order talcum powder and 600-800 order calcium carbonate are thickerCollocation, can with form " interlock " effect through sand blasted surface roughened metal surface after treatment, strengthen bonding force, also increased withUpper strata foaming layer physical contact area, thereby the adhesive force of enhancing and upper strata foaming layer.
4. the invention provides epoxy adhesive, select silane coupler, easily quilt of the methoxy or ethoxy of silane couplerThe moisture hydrolysis of moisture in air or surface of bottom material, generates silanol, further with multi-form hydroxyl reaction, and and metal watchFace interacts, and forms chelate structure, thus the adhesive force of increase and ground.
By reasonably combined above, epoxy adhesive provided by the invention, can be as carbon steel, stainless steel and more difficult adhering toOn almag, show excellent adhesive force, adhesive force is greater than 2.5kg/cm2, especially also have well with polyurethane foaming layerAdhesive force. Do polyurethane foaming layer on carbon steel, stainless steel and the more difficult almag adhering to time, epoxy adhesive of the present inventionCan serve as a connection as transition zone, make metallic plate and polyurethane foaming layer firm attachment.
Detailed description of the invention
By specific embodiment, inferior grade ground provided by the invention being processed to heavy anticorrosion epoxy primer below does into oneThe detailed description of step, but the present invention is not limited to following preferred embodiment.
Embodiment:
(1) component of host (weight):
It is 450 that epoxy resin selects epoxide equivalent; Acrylic resin modified is epoxy modified hydroxyl acrylic resin, (adoptsWith the MA-2016 of Shandong Ke Yao Chemical Co., Ltd.); Anti-settling agent is selected organobentonite, (adopting the SD-2 of RHEOX company);Dispersant is selected the polyamide acid salt of HMW, (adopting the EFKA5054 of EFKA company); Talcum powder selects 325 order talcumsPowder; Calcium carbonate selects 700 order powdered whitings; Silane coupler is diaminourea functional silane coupling agent, (adopts the U.S. to step figure'sA-187)。
By the epoxy resin in host, acrylic resin modified, anti-settling agent, dispersant, iron oxide yellow, join in proportion dispersionIn the storage cylinder of machine, with the speed of 600rpm pre-dispersed 15 minutes, it was 25 μ m that upper sand mill is ground to fineness; Then by rutile titaniumWhite powder, talcum powder, calcium carbonate, feed intake in proportion, and with the rate of dispersion of 1000rpm, being dispersed to fineness is 60 μ m, temperature 45 C;Finally, add surplus stock, 500rpm speed stirs evenly to obtain host.
(2) component of curing agent (weight):
It is the modified polyamide epoxy hardener resin of 200-300 that polyamide selects amine value; Modified amine resin is amine valueFor the phenol aldehyde modified amine epoxy curing agent resin of 100-300, (adopting the NX-2015 of Ka Delai company); Catalyst selects aromatic seriesTertiary amine, (can adopt the AncamineK54 of US Air gasification work); Promoter is the novel reaction type curable epoxide containing reactive hydrogenPromoter.
By polyamide, dimethylbenzene, dispersant, phthalocyanine green, isobutanol, join in proportion in the storage cylinder of dispersion machine,With the speed of 600rpm pre-dispersed 20 minutes, it was 50 μ m that upper sand mill is ground to fineness; Add again modified amine resin, catalyst,Promoter, dimethylbenzene and ethanol stir evenly, and make curing agent.
(3) component of diluent (weight)
By isobutanol, dimethylbenzene, sour secondary butyl ester and propylene glycol monomethyl ether, circulate or stir by mixer by gear pumpMix, make diluent.
By epoxy adhesive host: curing agent: diluent is construction in 6: 1: 2.5 by weight ratio, makes epoxy adhesive.
Detect:
Adopt relevant national standard method to detect, result is as follows:
| Project | Data | The method of inspection |
| Surface drying, point | 50 | GB/T 1728-1979(1989) |
| Do solid work, hour | 4 | GB/T 1728-1979(1989) |
| With substrate adhesion, kg/cm2 | 2.8 | GB/T 5210-1985 |
| With foaming layer adhesive force, kg/cm2 | 1.0 | GB/T 5210-1985 |
| Hardness | 2H | GB/T 6739-1996B method |
| Pliability, mm | 1 | GB/T 1731-1993 |
| Impact resistance, kgcm | 50 | GB/T 1732-1993 |
Claims (10)
1. epoxy adhesive, is characterized in that, comprises that host, curing agent and mixing diluents form, wherein, and host: curing agent:Diluent=6: 1: 2-3, weight ratio, described host comprises acrylic resin modified, described acrylic resin modified be epoxyModified hydroxyl acrylic resin;
Wherein, the component of described host and percentage by weight comprise:
Component and the percentage by weight of described curing agent comprise:
Component and the percentage by weight of described diluent comprise:
The degree of each component of described diluent and be 100%.
2. epoxy adhesive according to claim 1, is characterized in that, the epoxide equivalent of described epoxy resin is 400-600。
3. epoxy adhesive according to claim 1, is characterized in that, described anti-settling agent is selected organobentonite.
4. epoxy adhesive according to claim 1, is characterized in that, described dispersant is selected the polyamide of HMWCarboxylate.
5. epoxy adhesive according to claim 1, is characterized in that, described talcum powder is 325-400 order talcum powder.
6. epoxy adhesive according to claim 1, is characterized in that, described calcium carbonate is 600-800 order heavy carbonic acidCalcium.
7. epoxy adhesive according to claim 1, is characterized in that, described coupling agent is the coupling of diaminourea functional silaneAgent.
8. epoxy adhesive according to claim 1, is characterized in that, described polyamide is dimer (fatty acid) yl polyaminesActive polyamide, its amine value is 200-300.
9. epoxy adhesive according to claim 1, is characterized in that, described modified amine resin is that amine value is 100-300Phenol aldehyde modified amine epoxy curing agent resin.
10. epoxy adhesive according to claim 1, is characterized in that, described catalyst is aromatic nitrile base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013524.4A CN103773297B (en) | 2014-01-10 | 2014-01-10 | Epoxy adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013524.4A CN103773297B (en) | 2014-01-10 | 2014-01-10 | Epoxy adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103773297A CN103773297A (en) | 2014-05-07 |
| CN103773297B true CN103773297B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410013524.4A Expired - Fee Related CN103773297B (en) | 2014-01-10 | 2014-01-10 | Epoxy adhesive |
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| Country | Link |
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| CN (1) | CN103773297B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962223A (en) * | 2015-06-06 | 2015-10-07 | 顾飞 | Epoxy adhesive |
| CN109370492A (en) * | 2018-09-07 | 2019-02-22 | 天长市永泰密封材料有限公司 | A kind of epoxy adhesive of high adherence and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386765A (en) * | 2007-09-11 | 2009-03-18 | 紫荆花制漆(上海)有限公司 | Epoxy priming lacquer and method of use thereof |
| CN102079957A (en) * | 2010-12-09 | 2011-06-01 | 深圳市库泰克电子材料技术有限公司 | Low-temperature rapidly-curable surface mounting adhesive |
| CN103409038A (en) * | 2013-08-14 | 2013-11-27 | 张家港保税区金企鹅贸易有限公司 | Epoxy primer and application method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5207612B2 (en) * | 2006-10-13 | 2013-06-12 | 日本合成化工株式会社 | Two-component curable epoxy resin adhesive composition |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386765A (en) * | 2007-09-11 | 2009-03-18 | 紫荆花制漆(上海)有限公司 | Epoxy priming lacquer and method of use thereof |
| CN102079957A (en) * | 2010-12-09 | 2011-06-01 | 深圳市库泰克电子材料技术有限公司 | Low-temperature rapidly-curable surface mounting adhesive |
| CN103409038A (en) * | 2013-08-14 | 2013-11-27 | 张家港保税区金企鹅贸易有限公司 | Epoxy primer and application method thereof |
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| CN103773297A (en) | 2014-05-07 |
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