CN1511857A - Process for synthesizing m-dimethyl benzene phenolic resin and use - Google Patents
Process for synthesizing m-dimethyl benzene phenolic resin and use Download PDFInfo
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- CN1511857A CN1511857A CNA2003101244679A CN200310124467A CN1511857A CN 1511857 A CN1511857 A CN 1511857A CN A2003101244679 A CNA2003101244679 A CN A2003101244679A CN 200310124467 A CN200310124467 A CN 200310124467A CN 1511857 A CN1511857 A CN 1511857A
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Abstract
The present invention discloses the synthesis of m-xylene phenolic resin and its application in preparing epoxy xylene phenolic resin as conducting and anticorrosive paint. The conducting and anticorrosive epoxy xylene phenolic resin paint has the features of stable static conductivity and stable anticorrosive performance, as well as low production cost, fast solidification, firm coating and simple construction.
Description
(1) technical field
The present invention relates to a kind of synthetic method and application of m-xylene resol.
(2) background technology
Existing conducting static anticorrosion paint, production cost height not only, electrostatic conductive performance, corrosion resisting property less stable, and also construction is complicated.
(3) summary of the invention
The object of the present invention is to provide a kind ofly be used to prepare that production cost is low, electrostatic conductive performance is stable, corrosion resisting property is stable, do solid fast, the m-xylene resol firm, the easy construction electrostatically conductive anticorrosion epoxyxylene phenolic paint of filming.
Another object of the present invention is to provide the application of above-mentioned m-xylene resol in the preparation electrostatically conductive anticorrosion epoxyxylene phenolic paint.
Electrostatically conductive anticorrosion epoxyxylene phenolic paint of the present invention, by following method production:
With E42 Resins, epoxy, m-xylene resol, silicone resin, adjacent benzoic acid dibutylester, tetraethoxy mixing and stirring, add titanium valve, stir, add dehydrated alcohol then, quadrol stirs.The parts by weight of each synthesis material are: 8 parts of E42 Resins, epoxy, 2 parts in m-xylene resol, 0.005 part of silicone resin, 0.8～1.2 part of adjacent benzoic acid dibutylester, 0.0035 part of tetraethoxy, 12 parts of titanium valves, 4.024 parts of dehydrated alcohols, 0.514 part of quadrol.
Wherein the synthetic method of m-xylene resol is:
(1) the m-xylene formaldehyde resin is synthetic
With m-xylene, methyl alcohol, boron trifluoride diethyl etherate mixing and stirring, 100 ℃ of reactions 1.5 hours, add formaldehyde, and dropping sulfuric acid, reacted 3 hours, stop heating, naturally cool to room temperature, standing sedimentation separates after the discharging, and Methanol Recovery is neutralized to pH value 6～7 with aqueous sodium hydroxide solution then;
(2) m-xylene resol is synthetic
Phenol, formaldehyde, hydrated barta, m-xylene formaldehyde resin, methanol mixed are stirred,, vacuumize dehydration 100 ℃ of reactions 1 hour.
Wherein the parts by weight of each synthesis material are in (1): 100 parts of m-xylenes, 12.2 parts of methyl alcohol, 2.2 parts of boron trifluoride diethyl etherate, 200 parts in formaldehyde, 4 parts in sulfuric acid, 3.6 parts in sodium hydroxide, 8.5 parts in water.
Wherein the parts by weight of each synthesis material are in (2): 150 parts of phenol, 80 parts in formaldehyde, 2.25 parts of hydrated bartas, 150 parts of m-xylene formaldehyde resins, 10 parts of methyl alcohol.
In the Industrial processes, with E42 Resins, epoxy, m-xylene resol, silicone resin, adjacent benzoic acid dibutylester, tetraethoxy mixing and stirring, add titanium valve, it after stirring A component packing, be B component packing after dehydrated alcohol, quadrol stir, again A, B component mixed during use.
Electrostatically conductive anticorrosion epoxyxylene phenolic paint of the present invention compared with prior art has the following advantages:
(1) production cost is low;
(2) film do solid fast;
(3) film firm;
(4) easy construction is good and cheap;
(5) conductivity is stable;
(6) corrosion resisting property is stable;
(7) film and have good compactness, good levelling property is arranged again, but the continuous coated in the short period of time.
Electrostatically conductive anticorrosion epoxyxylene phenolic paint of the present invention is particularly useful for the crude oil basin, rocket engine fuel basin inwall uses.
(4) embodiment
The production of embodiment 1 electrostatically conductive anticorrosion epoxyxylene phenolic paint
(1) the m-xylene formaldehyde resin is synthetic
With m-xylene 100Kg, methyl alcohol 12.2Kg, boron trifluoride diethyl etherate 2.2Kg mixing and stirring, 100 ℃ of reactions 1.5 hours, add formaldehyde 200Kg, and drip sulfuric acid 4Kg, and reacted 3 hours, stop heating, naturally cool to room temperature, standing sedimentation separates after the discharging, Methanol Recovery, and the solution with sodium hydroxide 3.6Kg, water 8.5Kg is neutralized to pH value 6～7 then;
(2) m-xylene resol is synthetic
With phenol 150Kg, formaldehyde 80Kg, hydrated barta 2.25Kg, m-xylene formaldehyde resin 150Kg, methyl alcohol 10Kg mixing and stirring,, vacuumize dehydration 100 ℃ of reactions 1 hour.
(3) electrostatically conductive anticorrosion epoxyxylene phenolic paint is synthetic
With E42 Resins, epoxy 8Kg, m-xylene resol 2Kg, silicone resin 0.005Kg, adjacent benzoic acid dibutylester 1Kg, tetraethoxy 0.0035Kg mixing and stirring, add titanium valve 12Kg, stir, add dehydrated alcohol 4.024Kg then, quadrol 0.514Kg stirs.
The every technical indicator of the coating of gained sees Table 1.
The every technical indicator of table 1 electrostatically conductive anticorrosion epoxyxylene phenolic paint of the present invention
| Sequence number | Project | Standard | Detection method |
| ????1 | Color and outward appearance | Grey black | GB1729-79 |
| ????2 | Time of drying (surface drying h) | ??2 | GB1728-79 |
| ????3 | Time of drying (doing solid work h) | ??24 | GB1728-79 |
| ????4 | Solids content (weight meter %) | ??≥70 | GB1725-79 |
| ????5 | Snappiness (mm) | ??≤2 | GB1731-79 |
| ????6 | Sticking power (cross-hatching) (level) | ??1 | GB1720-79 |
| ????7 | Hardness (glass value) | ??≥0.3 | GB1763-79 |
| ????8 | Shock strength (kg.cm) | ??50 | GB1732-79 |
| ????9 | Surface resistivity *(Ω) | ??≤10 | ACL?MODEL385.USA |
| ????10 | Volume specific resistance *(Ω.M) | ??≤10 | ACL?MODEL385.USA |
| Corrosion resisting property | |||
| ????11 | Sulfuric acid (10%, dipping 7d) | The titanium metal primary colors, other is no abnormal | Ginseng GB1734-79 first method |
| ????12 | Sodium-chlor (3%, dipping 7d) | The no change of filming | Ginseng GB1734-79 first method |
| ????13 | Sodium hydroxide (10%, dipping 7d) | The no change of filming | Ginseng GB1734-79 first method |
| Solvent resistance | |||
| ????14 | Dimethylbenzene (dipping 30d) | The no change of filming | Ginseng GB1734-79 first method |
| Oil resistance | |||
| ????15 | Crude oil (dipping 30d) | The no change of filming | Ginseng GB1734-79 first method |
| ????16 | Oil fuel (dipping 30d) | The no change of filming | Ginseng GB1734-79 first method |
| ????17 | 90# gasoline (dipping 30d) | The no change of filming | Ginseng GB1734-79 first method |
Annotate:
*Build 120um ± 20, all dippings all flood after 7 days in the maintenance of filming.
The coating determination of resistivity of the present invention that embodiment 2 embodiment 1 produce
Testing method is a GB16906 Oil Tank static conductive coating determination of resistivity method, and testing tool adopts U.S. ACL385 type oil resistant coating determination of resistivity instrument, and test condition is 31 ℃ of temperature, humidity 66%, and test result sees Table 2.
Table 2 electrostatically conductive anticorrosion epoxyxylene phenolic paint determination of resistivity of the present invention result
| The coating test piece number | 1 | ?2 | ?3 | ?4 | ?5 | ?6 | ?7 |
| Surface resistivity (Ω) | 10 4 | ?10 4 | ?10 4 | ?10 4 | ?10 4 | ?10 4 | ?10 4 |
| Body resistivity (Ω .M) | 10 3 | ?10 3 | ?10 3 | ?10 3 | ?10 3 | ?10 3 | ?10 3 |
The result shows, electrostatically conductive anticorrosion epoxyxylene phenolic paint of the present invention, and surface resistivity is lower than 10
9Ω, body resistivity is lower than 10
8Ω .M meets GB13348 liquid petroleum electrostatic safety rules.
Claims (2)
1, a kind of synthetic method of m-xylene resol, form by following steps successively:
(1) the m-xylene formaldehyde resin is synthetic
With m-xylene 100 weight parts, methyl alcohol 12.2 weight parts, boron trifluoride diethyl etherate 2.2 weight part mixing and stirring, 100 ℃ of reactions 1.5 hours, add formaldehyde 200 weight parts, and drip sulfuric acid 4 weight parts, and reacted 3 hours, stop heating, naturally cool to room temperature, standing sedimentation separates after the discharging, and Methanol Recovery is neutralized to pH value 6～7 with sodium hydroxid 3.6 weight parts, water 8.5 parts by weight solution then;
(2) m-xylene resol is synthetic
With phenol 150 weight parts, formaldehyde 80 weight parts, hydrated barta 2.25 weight parts, m-xylene formaldehyde resin 150 weight parts, methyl alcohol 10 weight part mixing and stirring,, vacuumize dehydration 100 ℃ of reactions 1 hour.
2, the application of the synthetic m-xylene resol that obtains of claim 1 in the preparation electrostatically conductive anticorrosion epoxyxylene phenolic paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310124467 CN1252111C (en) | 2002-06-28 | 2002-06-28 | Process for synthesizing m-dimethyl benzene phenolic resin and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310124467 CN1252111C (en) | 2002-06-28 | 2002-06-28 | Process for synthesizing m-dimethyl benzene phenolic resin and use |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021342660A Division CN1159396C (en) | 2002-06-28 | 2002-06-28 | Electrostatically conductive anticorrosion epoxyxylene phenolic paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1511857A true CN1511857A (en) | 2004-07-14 |
| CN1252111C CN1252111C (en) | 2006-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310124467 Expired - Fee Related CN1252111C (en) | 2002-06-28 | 2002-06-28 | Process for synthesizing m-dimethyl benzene phenolic resin and use |
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| CN (1) | CN1252111C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443123A (en) * | 2011-11-02 | 2012-05-09 | 开滦（集团）有限责任公司 | Comprehensive utilization method of hydrogenated dimethylbenzene |
| CN102643400A (en) * | 2012-05-03 | 2012-08-22 | 上海忠诚精细化工科技有限公司 | Meta-xylene formaldehyde resin and producing method thereof |
| CN107573804A (en) * | 2017-10-24 | 2018-01-12 | 山东北方现代化学工业有限公司 | A kind of barium phenolic aldehyde solid rocket motor and preparation method thereof |
| CN109553920A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of heat resistant and wear resistant damage scratching rack macromolecule resin bridge crossing plate |
-
2002
- 2002-06-28 CN CN 200310124467 patent/CN1252111C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443123A (en) * | 2011-11-02 | 2012-05-09 | 开滦（集团）有限责任公司 | Comprehensive utilization method of hydrogenated dimethylbenzene |
| CN102443123B (en) * | 2011-11-02 | 2013-04-17 | 开滦（集团）有限责任公司 | Comprehensive utilization method of hydrogenated dimethylbenzene |
| CN102643400A (en) * | 2012-05-03 | 2012-08-22 | 上海忠诚精细化工科技有限公司 | Meta-xylene formaldehyde resin and producing method thereof |
| CN102643400B (en) * | 2012-05-03 | 2014-10-22 | 上海忠诚精细化工科技有限公司 | Meta-xylene formaldehyde resin and producing method thereof |
| CN109553920A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of heat resistant and wear resistant damage scratching rack macromolecule resin bridge crossing plate |
| CN107573804A (en) * | 2017-10-24 | 2018-01-12 | 山东北方现代化学工业有限公司 | A kind of barium phenolic aldehyde solid rocket motor and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1252111C (en) | 2006-04-19 |
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