CN1284840C - Epoxy resin sealant for pressure jointed pipes and its production process - Google Patents
Epoxy resin sealant for pressure jointed pipes and its production process Download PDFInfo
- Publication number
- CN1284840C CN1284840C CN 200410047913 CN200410047913A CN1284840C CN 1284840 C CN1284840 C CN 1284840C CN 200410047913 CN200410047913 CN 200410047913 CN 200410047913 A CN200410047913 A CN 200410047913A CN 1284840 C CN1284840 C CN 1284840C
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- weight part
- epoxy resin
- liquid
- solution
- epoxy
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- 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.)
- Expired - Fee Related
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 42
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 42
- 239000000565 sealant Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 244000226021 Anacardium occidentale Species 0.000 claims abstract description 26
- 235000020226 cashew nut Nutrition 0.000 claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 150000001412 amines Chemical class 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 42
- 239000004411 aluminium Substances 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 239000010466 nut oil Substances 0.000 claims description 23
- 239000004593 Epoxy Substances 0.000 claims description 22
- 150000002148 esters Chemical class 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 238000012986 modification Methods 0.000 claims description 11
- 230000004048 modification Effects 0.000 claims description 11
- 239000004952 Polyamide Substances 0.000 claims description 10
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 9
- 238000009775 high-speed stirring Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 239000011593 sulfur Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101150039167 Bex3 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- -1 phenolic aldehyde amine Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The present invention relates to an epoxy resin sealant for connecting pressed connecting pipes and a preparation process thereof. The epoxy resin sealant is prepared by mixing solution A prepared from epoxy resin, a modifier of modified epoxy resin of cashew nut shell oil, an assistant agent and pigment stuffing, and solution B prepared from modified amine of cashew nut shell oil. The epoxy resin sealant can be quickly solidified under the condition of moisture at low temperature; the epoxy resin sealant has the advantages of long operation period and convenient use. A solidifying coating has good performance of resisting strong acid; the solidifying coating can resist the mixed solution of 15 % of hydrochloric acid and 15 % of hydrofluoric acid at 50 DEG C. The epoxy resin sealant can be used for the construction of connecting pressed connecting pipes of transportation pipelines of acid gas with an inner anticorrosive coating and transportation pipelines with high sulfur content.
Description
Technical field
The present invention relates to a kind of aluminium hydraulic pressed connecting pipe and connect, can be used for having the sour gas gathering line of inner anticorrosioning coating and the aluminium hydraulic pressed connecting pipe of high sulfur-bearing gathering line to be connected with epoxy resin sealant and manufacture method.
Technical background
Existing oil-gas field gathering line need carry out internal joint patch when adopting pipe end to be welded to connect, but is difficult for forming the undercoat system of continuous whole.With in addition crimping behind the shrink-fit ready-formed two socket joint pipe ends coating seal gum, the anti-strong acid poor performance of existing seal gum is not suitable for sour gas gathering line and high sulfur-bearing gathering line when adopting pipe crimping method to connect.
Summary of the invention
The technical problem to be solved in the present invention: avoid above-mentioned weak point of the prior art and provide a kind of and make easy, easy to use, its coating and have anti-strong acid, aluminium hydraulic pressed connecting pipe that bonding force is strong connects with epoxy resin sealant and manufacture method.
The technical solution used in the present invention: aluminium hydraulic pressed connecting pipe connects uses epoxy resin sealant, it is characterized in that forming by A liquid and B liquid, A liquid is by 1 weight part Resins, epoxy, 0.02 the cashew nut oil modified epoxy resin modification agent of～0.2 weight part, 0.1～0.5 weight part process white, 0.05～0.2 weight part graphite, 0.05～0.2 weight part tetrafluoroethylene, 0.01～0.1 weight part polyhydroxycarboxyliacid acid ester solution, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.1 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.01～0.08 weight parts of polyamide wax is formed; B liquid is made up of cashew nut oil modified amine, is made up of 1 weight part A liquid, 0.2～0.4 weight part B liquid during use.
More excellent aluminium hydraulic pressed connecting pipe connects uses epoxy resin sealant, it is characterized in that A liquid is to be made up of 1 weight part Resins, epoxy, the cashew nut oil modified epoxy resin modification agent of 0.1 weight part, 0.2 weight part process white, 0.1 weight part graphite, 0.1 weight part tetrafluoroethylene, 0.02 weight part polyhydroxycarboxyliacid acid ester solution, 0.02 weight part polyacrylic ester interpolymer solution, the poly-methyl alkyl siloxane solution of 0.02 weight part, 0.03 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.08 weight parts of polyamide wax; B liquid is made up of cashew nut oil modified amine, is made up of 1 weight part A liquid, 0.3 weight part B liquid during use.
Aluminium hydraulic pressed connecting pipe connects the manufacture method with epoxy resin sealant, it is characterized in that adding in 1 weight part Resins, epoxy the cashew nut oil modified epoxy resin modification agent of 0.02～0.2 weight part is disperseed, after the high-speed stirring, under condition of stirring, add 0.1～0.5 weight part process white, 0.05～0.2 weight part graphite, 0.05～0.2 weight part tetrafluoroethylene, 0.01～0.1 weight part polyhydroxycarboxyliacid acid ester solution, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.1 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.01～0.08 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; B liquid is made up of cashew nut oil modified amine, with 1 weight part A liquid and 0.2～0.4 weight part B liquid mixing and stirring, makes aluminium hydraulic pressed connecting pipe connection epoxy resin sealant during use.
More excellent aluminium hydraulic pressed connecting pipe connects the manufacture method with epoxy resin sealant, it is characterized in that adding in 1 weight part Resins, epoxy the cashew nut oil modified epoxy resin modification agent of 0.1 weight part is disperseed, after the high-speed stirring, under condition of stirring, add 0.2 weight part process white, 0.1 weight part graphite, 0.1 weight part tetrafluoroethylene, 0.021 weight part polyhydroxycarboxyliacid acid ester solution, 0.02 weight part polyacrylic ester interpolymer solution, 0.02 weight part gathers methyl alkyl siloxane solution, 0.03 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.08 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; B liquid is made up of cashew nut oil modified amine, with 1 weight part A liquid and 0.3 weight part B liquid mixing and stirring, makes aluminium hydraulic pressed connecting pipe connection epoxy resin sealant during use.
Aluminium hydraulic pressed connecting pipe of the present invention connects with epoxy resin sealant and manufacture method, and by the A liquid that Resins, epoxy, cashew nut oil modified epoxy resin modification agent, auxiliary agent, color stuffing are made, cashew nut oil modified amine is formed B liquid and made curing at normal temperatures.The bisphenol A type epoxy resin that uses, can strengthen the adhesive power and the erosion resistance of cured article, the cashew nut oil modified epoxy resin modification agent of using is that low-molecular-weight epoxy resin makes through cashew nut oil modified, as a kind of reactive thinner, it can make other physical and chemical performance of system remain unchanged substantially in the capillary while of reducing system.Do not contain and to have been improved the corrosion resistance nature of seal gum by the active metal element of acid corrosion in the filler that uses.The polyhydroxycarboxyliacid acid ester solution that uses helps to prevent the co-coagulation of seal gum, and has reduced system viscosity.Polyacrylic ester interpolymer solution improves levelling property and gloss, and prevents the shrinkage cavity of system.Poly-methyl alkyl siloxane solution reduces the surface tension of seal gum system, has improved to flow and levelling property and help to eliminate bubble in the seal gum, and has avoided the formation of Bei Nade whirlpool.γ-(2, the 3-epoxy third oxygen) propyl trimethoxy silicane that uses is used for the inorganic filler surface treatment agent, improves the bounding force of mineral filler and resin, thereby improves the physical strength of matrix material, and improves the bounding force of bi-component epoxy sealing agent.The polyamide wax that uses helps to improve the thixotropy and the application property of seal gum, improves the stability in storage of seal gum.The cashew nut oil modified amine that uses is the phenolic aldehyde amine that a kind of cashew nut shell oil replaces, with it as epoxy curing agent, the speed when helping to improve low temperature and moisture and solidifying, chemically-resistant and solvent corrosion are good, working life is long, the mixed with resin ratio is widened.
The present invention's beneficial effect compared with prior art
1, aluminium hydraulic pressed connecting pipe of the present invention connects and uses epoxy resin sealant, is two-pack, and ambient cure still can fast setting under the low temperature and moisture situation, and working life is long, and is easy to use.The sealing glue solidifying coating has good adhesivity, anti-shear performance, acid resistance, solvent borne, 15% hydrochloric acid that can be anti-50 ℃, 15% hydrofluoric acid mixing solutions.Can be applicable to the sour gas gathering line of inner anticorrosioning coating and the aluminium hydraulic pressed connecting pipe of high sulfur-bearing gathering line and be connected construction.
2, aluminium hydraulic pressed connecting pipe of the present invention connects the manufacture method with epoxy resin sealant, and technology is simple, need not specific installation, and price is lower.
Embodiment
Aluminium hydraulic pressed connecting pipe of the present invention connects the manufacture method with epoxy resin sealant.In stainless charging basket, add 1 weight part Resins, epoxy earlier, add the cashew nut oil modified epoxy resin modification agent of 0.1 weight part again, after high-speed stirring is disperseed 0.5h, under condition of stirring, add 0.2 weight part process white, 0.1 weight part graphite, 0.1 weight part tetrafluoroethylene, 0.02 weight part polyhydroxycarboxyliacid acid ester solution, 0.02 weight part polyacrylic ester interpolymer solution, 0.02 weight part gathers methyl alkyl siloxane solution, 0.03 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.08 weight parts of polyamide wax is made A liquid with sand mill circular grinding 0.5～1h then; B liquid is made up of cashew nut oil modified amine.With 1 weight part A liquid and 0.3 weight part B liquid mixing and stirring, make aluminium hydraulic pressed connecting pipe connection epoxy resin sealant during use.The raw materials used commercially available product that all adopts.
The application property test that aluminium hydraulic pressed connecting pipe connects with epoxy resin sealant shows that application property is good.Seal gum and steel and the shear strength test that is coated with interlayer show to have good adhesiveproperties, and the shearing resistance between steel reaches 18MPa, reach 15MPa with the shearing resistance that is coated with interlayer.The test of the solidified coating of seal gum shows to have excellent anti-strong acid performance, and in the steeping medium of 15% hydrochloric acid, 15% hydrofluoric acid, 50 ℃ of dipping time 240 hours, coating was intact.
Claims (4)
1, a kind of aluminium hydraulic pressed connecting pipe connects uses epoxy resin sealant, it is characterized in that forming by A liquid and B liquid, A liquid is by 1 weight part Resins, epoxy, 0.02 the cashew nut oil modified epoxy resin modification agent of～0.2 weight part, 0.1～0.5 weight part process white, 0.05～0.2 weight part graphite, 0.05～0.2 weight part tetrafluoroethylene, 0.01～0.1 weight part polyhydroxycarboxyliacid acid ester solution, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.1 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.01～0.08 weight parts of polyamide wax is formed; B liquid is made up of cashew nut oil modified amine, is made up of 1 weight part A liquid, 0.2～0.4 weight part B liquid during use.
2, aluminium hydraulic pressed connecting pipe connection epoxy resin sealant according to claim 1, it is characterized in that A liquid is to be made up of 1 weight part Resins, epoxy, the cashew nut oil modified epoxy resin modification agent of 0.1 weight part, 0.2 weight part process white, 0.1 weight part graphite, 0.1 weight part tetrafluoroethylene, 0.02 weight part polyhydroxycarboxyliacid acid ester solution, 0.02 weight part polyacrylic ester interpolymer solution, the poly-methyl alkyl siloxane solution of 0.02 weight part, 0.03 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.08 weight parts of polyamide wax; B liquid is made up of cashew nut oil modified amine, is made up of 1 weight part A liquid, 0.3 weight part B liquid during use.
3, the described aluminium hydraulic pressed connecting pipe of a kind of claim 1 connects the manufacture method with epoxy resin sealant, it is characterized in that adding in 1 weight part Resins, epoxy the cashew nut oil modified epoxy resin modification agent of 0.02～0.2 weight part is disperseed, after the high-speed stirring, under condition of stirring, add 0.1～0.5 weight part process white, 0.05～0.2 weight part graphite, 0.05～0.2 weight part tetrafluoroethylene, 0.01～0.1 weight part polyhydroxycarboxyliacid acid ester solution, 0.01～0.1 weight part polyacrylic ester interpolymer solution, 0.01～0.1 weight part gathers methyl alkyl siloxane solution, 0.01～0.1 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.01～0.08 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; B liquid is made up of cashew nut oil modified amine, with 1 weight part A liquid and 0.2～0.4 weight part B liquid mixing and stirring, makes aluminium hydraulic pressed connecting pipe connection epoxy resin sealant during use.
4, aluminium hydraulic pressed connecting pipe according to claim 3 connects the manufacture method with epoxy resin sealant, it is characterized in that adding in 1 weight part Resins, epoxy the cashew nut oil modified epoxy resin modification agent of 0.1 weight part is disperseed, after the high-speed stirring, under condition of stirring, add 0.2 weight part process white, 0.1 weight part graphite, 0.1 weight part tetrafluoroethylene, 0.02 weight part polyhydroxycarboxyliacid acid ester solution, 0.02 weight part polyacrylic ester interpolymer solution, 0.02 weight part gathers methyl alkyl siloxane solution, 0.03 weight part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.08 weight parts of polyamide wax grinds 0.5～1h with sand mill then and makes A liquid; B liquid is made up of cashew nut oil modified amine, with 1 weight part A liquid and 0.3 weight part B liquid mixing and stirring, makes aluminium hydraulic pressed connecting pipe connection epoxy resin sealant during use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047913 CN1284840C (en) | 2004-06-11 | 2004-06-11 | Epoxy resin sealant for pressure jointed pipes and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047913 CN1284840C (en) | 2004-06-11 | 2004-06-11 | Epoxy resin sealant for pressure jointed pipes and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1706905A CN1706905A (en) | 2005-12-14 |
| CN1284840C true CN1284840C (en) | 2006-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410047913 Expired - Fee Related CN1284840C (en) | 2004-06-11 | 2004-06-11 | Epoxy resin sealant for pressure jointed pipes and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1284840C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235269B (en) * | 2008-02-26 | 2010-10-20 | 上海回天化工新材料有限公司 | Double-component epoxy resin embedding adhesive and its preparation method and can sealing technique |
| CN101671426B (en) * | 2009-09-28 | 2011-12-28 | 台州豪贝泵业有限公司 | Epoxy resin composition used for shielding deep well submersible pump and casting method thereof |
| WO2012094601A1 (en) | 2011-01-07 | 2012-07-12 | Ndsu Research Foundation | Bio-based branched and hyperbranched polymers and oligomers |
| CN103509518B (en) * | 2012-06-21 | 2015-05-13 | 中国石油化工股份有限公司 | Special high temperature-resistant thread grease for steam-injection insulated pipe and preparation method thereof |
| CN104403590B (en) * | 2014-11-03 | 2016-08-17 | 安徽蓝翔电器成套设备有限公司 | Politef adhesive tape and its preparation method and application |
| CN104449514A (en) * | 2014-11-24 | 2015-03-25 | 南京大学 | Normal Temperature Curing Epoxy Resin Adhesive for Road and Bridge and Its Preparation Method |
| CN106836841A (en) * | 2017-01-24 | 2017-06-13 | 招商局重庆交通科研设计院有限公司 | Repairing concrete crack method and repairing concrete crack instrument |
| CN112251109A (en) * | 2020-10-30 | 2021-01-22 | 中国船舶重工集团公司第七二五研究所 | Room-temperature curing type high-temperature-resistant anticorrosive coating and preparation method thereof |
-
2004
- 2004-06-11 CN CN 200410047913 patent/CN1284840C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1706905A (en) | 2005-12-14 |
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