CN105647334A - Bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material - Google Patents
Bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material Download PDFInfo
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- CN105647334A CN105647334A CN201410628485.9A CN201410628485A CN105647334A CN 105647334 A CN105647334 A CN 105647334A CN 201410628485 A CN201410628485 A CN 201410628485A CN 105647334 A CN105647334 A CN 105647334A
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Abstract
The invention relates to a bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material. The coating material is prepared from a component A and a component B which are in the weight ratio of 6: 1; the component A is prepared from the following ingredients: dimeric acid modified epoxy resin, coal tar pitch, anticorrosive pigments/fillers, a variety of adjuvants and a special mixed diluent for anticorrosive coating materials; the component B is an epoxy curing agent containing an imide structure; and the epoxy coal tar pitch anticorrosive coating material is obtained through mixing the component A and the component B. The bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material disclosed by the invention has excellent seawater resistance, durability, adhesive power, toughness, resistance to chemical corrosion and aging resistance; the film forming speed for coatings is high, and brush-coating is carried out at low temperature; and the bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material is applied to general buried pipelines, steel storage tanks and the like.
Description
Technical field
The present invention relates to painting technical field, it is specifically related to a kind of two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant.
Background technology
Epoxide coal bituminous coating is the class protective system occurred the sixties in 20th century, it combines the sticking power of the acid-and base-resisting of coal tar pitch, water tolerance and epoxy resin, physical strength and solvent resistance, for excellent anticorrosive coating kind, extensively for industries such as water conservancy, petrochemical complex, shipbuilding and transports. A kind of two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant of the present invention has excellent sea water resistance, weather resistance, sticking power, toughness, chemical resistance and ageing resistance; The film forming speed of coating is fast, and low temperature is brushed. It is applicable to the anticorrosive coating of buried pipeline and steel storage tank, gas chamber inwall, the base plates etc. such as the oil and gas pipeline of oil-gas field, tap water, coal gas, heating pipe line, power station, industrial and mining enterprises' water coolant buried pipeline, chemical plant, sewage work, refinery. On the other hand, under cryogenic, common epoxide coal bituminous protective system is along with the reduction of temperature, and its intensity increases, but distortion ability but declines seriously, toughness reduction. A kind of two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant of the present invention has long-acting erosion resistance and water tolerance, therefore has stronger resistance to cryogenic effect.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant, this coating has excellent sea water resistance, weather resistance, sticking power, toughness, chemical resistance and ageing resistance; For general buried pipeline and steel basin etc.
This kind of two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant, is made up of by weight first group part and component B.
First group part comprises: dimer acid modified epoxy resin 30-45 part, coal tar pitch 25-30 part, anticorrosive pigment/filler 13-25 part, multiple auxiliary agent 1-5 part, the special mixed diluent 12-20 part of protective system;
Component B is the epoxy hardener containing imide structure.
In construction process, namely first group part and component B 6:1 obtain described two group epoxide coal bituminous protective systems of part Long-effect corrosion-resistant after mixing.
Epoxy resin is combined by the present invention with coal tar pitch, has both played film forming properties and the Corrosion Protection of epoxy resin excellence, solves again the difficult problems such as the trickling of bituminous material high temperature, brittle fracture under low temperature preferably. The coating adopting epoxy resin and coal tar pitch cheap, easy construction to be mixed with combines the advantage of the two, it is to increase the Corrosion Protection of coating. The present invention has excellent sea water resistance, weather resistance, chemical resistance and ageing resistance; The film forming speed of coating is fast, and low temperature is brushed. It is applicable to the anticorrosive coating of buried pipeline and steel storage tank, gas chamber inwall, the base plates etc. such as the oil and gas pipeline of oil-gas field, tap water, coal gas, heating pipe line, power station, industrial and mining enterprises' water coolant buried pipeline, chemical plant, sewage work, refinery.
Embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
Embodiment one:
1, first group part by mass fraction is: dimer acid modified epoxy resin 35kg, coal tar pitch 28kg, talcum powder 5kg, mica powder 3kg, organobentonite 12kg, dimethylbenzene 7.3kg, propyl carbinol 2.5kg, pimelinketone 1.9kg, DIMETHYL GLYOXIME 2.8kg, conventional auxiliary agent 2.5kg, and wherein auxiliary agent is the mixing of one or more in anti-settling agent, flow agent, anti-sagging agent, defoamer. In this example, auxiliary agent is anti-settling agent 1.3kg, flow agent 0.5kg, anti-sagging agent 0.7kg.
2, component B is the epoxy hardener containing imide structure, and described epoxy hardener is the one of the affixture of aliphatic polybasic amine compound, aliphatic anhydride compound, aromatic isocyanate and glyoxaline compound. In the present embodiment, epoxy hardener is aliphatic anhydride compound.
3, namely first group part and component B obtain described two group epoxide coal bituminous protective systems of part Long-effect corrosion-resistant after mixing, and when constructing, the amount ratio of first group part and component B is first: second=6:1.
Embodiment two:
1, first group part by mass fraction is: dimer acid modified epoxy resin 37kg, coal tar pitch 25.8kg, talcum powder 5.2kg, organobentonite 13.6kg, dimethylbenzene 7.8kg, propyl carbinol 2.8kg, pimelinketone 2.5kg, DIMETHYL GLYOXIME 2.9kg, conventional auxiliary agent 2.4kg, and wherein auxiliary agent is the mixing of one or more in anti-settling agent, flow agent, anti-sagging agent, defoamer. In this example, auxiliary agent is anti-settling agent 1.1kg, flow agent 0.45kg, anti-sagging agent 0.65kg, defoamer 0.2kg.
2, component B is the epoxy hardener containing imide structure, and described epoxy hardener is the one of the affixture of aliphatic polybasic amine compound, aliphatic anhydride compound, aromatic isocyanate and glyoxaline compound. In the present embodiment, epoxy hardener is aliphatic polybasic amine compound.
Namely first group part and component B obtain described two group epoxide coal bituminous protective systems of part Long-effect corrosion-resistant after mixing, when constructing, the amount ratio of first group part and component B is first: second=6:1.
Claims (5)
1. two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant, it is characterised in that, it is made up of by weight first group part and component B:
First group part comprises: dimer acid modified epoxy resin 30-45 part, coal tar pitch 25-30 part, anticorrosive pigment/filler 13-25 part, multiple auxiliary agent 1-5 part, the special mixed diluent 12-20 part of protective system; Component B is the epoxy hardener containing imide structure; When constructing, namely first group part and component B 6:1 obtain described two group epoxide coal bituminous protective systems of part Long-effect corrosion-resistant after mixing.
2. two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant according to claim 1, it is characterized in that, the special mixed diluent of described protective system is dimethylbenzene, propyl carbinol, pimelinketone and DIMETHYL GLYOXIME, in mixed solvent, the volume proportion of each solvent is: dimethylbenzene 45-55%, propyl carbinol 15-20%, pimelinketone 10-20%, DIMETHYL GLYOXIME 15-20%.
3. two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant according to claim 1, it is characterised in that, described anticorrosive pigment/filler is one or more mixing of talcum powder or organobentonite or mica powder.
4. two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant according to claim 1, it is characterised in that, described auxiliary agent is the mixing of one or more in anti-settling agent, flow agent, anti-sagging agent, defoamer.
5. two group epoxide coal bituminous protective system of part Long-effect corrosion-resistant according to claim 1, it is characterized in that, the described epoxy hardener containing imide structure is the one of the affixture of aliphatic polybasic amine compound, aliphatic anhydride compound, aromatic isocyanate and glyoxaline compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628485.9A CN105647334A (en) | 2014-11-11 | 2014-11-11 | Bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628485.9A CN105647334A (en) | 2014-11-11 | 2014-11-11 | Bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material |
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| CN105647334A true CN105647334A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410628485.9A Pending CN105647334A (en) | 2014-11-11 | 2014-11-11 | Bi-component long-acting-corrosion-resistant epoxy coal tar pitch anticorrosive coating material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603404A (en) * | 2017-08-16 | 2018-01-19 | 天津市津海特种涂料装饰有限公司 | A kind of non-solvent epoxy coal tar pitch paint |
| CN110551451A (en) * | 2019-08-13 | 2019-12-10 | 广州集泰化工股份有限公司 | Water-based bi-component epoxy asphalt coating and preparation method thereof |
-
2014
- 2014-11-11 CN CN201410628485.9A patent/CN105647334A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603404A (en) * | 2017-08-16 | 2018-01-19 | 天津市津海特种涂料装饰有限公司 | A kind of non-solvent epoxy coal tar pitch paint |
| CN110551451A (en) * | 2019-08-13 | 2019-12-10 | 广州集泰化工股份有限公司 | Water-based bi-component epoxy asphalt coating and preparation method thereof |
| CN110551451B (en) * | 2019-08-13 | 2021-08-10 | 广州集泰化工股份有限公司 | Water-based bi-component epoxy asphalt coating and preparation method thereof |
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Application publication date: 20160608 |