CN103602291A - Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion - Google Patents
Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion Download PDFInfo
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- CN103602291A CN103602291A CN201310517976.1A CN201310517976A CN103602291A CN 103602291 A CN103602291 A CN 103602291A CN 201310517976 A CN201310517976 A CN 201310517976A CN 103602291 A CN103602291 A CN 103602291A
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Abstract
The invention provides a cold-tangled anticorrosion adhesive tape for pipeline anticorrosion. The formula of the adhesive tape comprises the following base materials: by weight, 62-78 parts of matrix resin, 15-30 parts of tackifying resin, 1-10 parts of a plasticizing system, 0.05-1 part of an anti-oxidant and 1-12 parts of an inorganic filling material, wherein the matrix resin contains butyl rubber and polyisobutylene; the weight ratio of butyl rubber to polyisobutylene is 4:3; and the tackifying resin is one component selected from glycerol ester of rosin, C5 petroleum resin and terpene resin or a mixture. The invention provides a cold-tangled anticorrosion adhesive tape which is prepared by using butyl rubber and polyisobutylene as matrix resin, adding the tackifying resin into the matrix resin and additionally using the plasticizing system and the inorganic filling material. The adhesive tape requires no open fire for construction, is convenient for construction, and has good caking property, sealing property and excellent anticorrosion effect. The cold-tangled anticorrosion adhesive tape can be widely used in anticorrosion and restoration of a petroleum pipeline, and is of great significance for prolonging service life of a petroleum pipeline and saving resources.
Description
Technical field
The present invention relates to pipeline corrosion protection, in particular to the cold anticorrosion adhesive tape that twines for a kind of pipeline corrosion protection.
Background technology
The etching problem of steel is one of subject matter affecting petroleum industry development, and the Anticorrosion of resolving pipeline is to realize that industry significantly develops and the prerequisite of energy-conserving and environment-protective.In pipeline corrosion protection field traditional method, be mainly to adopt the agent of asphaltic base gluing as the binding agent of processing steel pipe, but as time goes by, the cohesive strength of pitch sizing agent reduces gradually, preservative coat is easily destroyed.There is at present pipeline that many places are the moving state in being badly in need of repairing.Existing 3PE anti-corrosion mode is not suitable for owing to executing the baking of man-hour requirement naked light the reparation that moves oil pipeline.Therefore adopt superior performance, pressure sensitive adhesive (PSA) easy to use to become one of effective solution of the above problems.
The adhesive theory of PSA is to utilize the distinctive visco-elasticity behavior of its macromolecular material, makes colloid, under less power effect, VISCOUS FLOW occur, and and adherend between form Van der Waals force, thereby produce higher cohesive force.Rubber-type PSA is a most widely used class PSA, due to the methyl that contains a large amount of regular arrangements in isoprene-isobutylene rubber and polyisobutene structure, therefore it has splendid resistance to air loss and electrical insulation capability, and thermotolerance, ozone resistance, ageing resistance and chemical proofing are all good.The cold anticorrosion adhesive tape that twines that the isoprene-isobutylene rubber of take is at present matrix has had application comparatively widely abroad, and main application is confined to insulating glass sealant, the industry such as automobile sealed at home, and being applied to pipeline corrosion protection field is a larger breakthrough.
Summary of the invention
The invention solves deficiency of the prior art, provide that a kind of cohesiveness is good, stopping property is superior, the cold anticorrosion adhesive tape that twines for pipeline corrosion protection of favorable anti-corrosion effect and easy construction.
Technical scheme of the present invention is: the cold anticorrosion adhesive tape that twines for a kind of pipeline corrosion protection, to count by weight, and its base material formula comprises: 62～78 parts of matrix resins, 15～30 parts of tackifying resins, 1～10 part of Plasticising system, 0.05～1 part of oxidation inhibitor, 1～12 part of mineral filler; Described matrix resin comprises isoprene-isobutylene rubber and polyisobutene, and wherein isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene, and described tackifying resin is one or more mixtures in ester gum, C5 petroleum resin and terpine resin.
Most preferred embodiment of the present invention, further comprises, counts by weight, and its base material formula comprises: 70 parts of matrix resins, 20 parts of tackifying resins, 5 parts of Plasticising systems, 0.5 part of oxidation inhibitor, 4.5 parts of mineral fillers; Described matrix resin comprises isoprene-isobutylene rubber and polyisobutene, and wherein isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene, and described tackifying resin is one or more mixtures in ester gum, C5 petroleum resin and terpine resin.
Most preferred embodiment of the present invention, further comprises, described Plasticising system comprises environment-friendly aromatic oil or o-phthalic acid dibutyl ester.
Most preferred embodiment of the present invention, further comprises, described oxidation inhibitor is the mixture of Hinered phenols antioxidant and thio-2 acid di-esters auxiliary antioxidant.
Most preferred embodiment of the present invention, further comprises, described oxidation inhibitor is the mixture of four [β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic acid] pentaerythritol ester and two Lauryl Alcohol esters.
Most preferred embodiment of the present invention, further comprises, described filler is platy talc or light calcium carbonate.What in formula of the present invention, adopt is platy talc, and sheet structure can significantly be improved tensile strength and stress at definite elongation.
Most preferred embodiment of the present invention, further comprises, the median size of described light calcium carbonate is 0.1～3 μ m.Light calcium carbonate has the ability that reduces elongation and elastic loss in formula system, the present invention selects the light calcium carbonate that median size is less, the reinforcing effect of the less filler of particle diameter is better, and the performances such as tensile strength, stress at definite elongation, tear strength and hardness are all better; And the larger filler of particle diameter has certain loss for anti tear, resistance to subduing with wear resistant etc.
The defect that solves prior art of the present invention, has following beneficial effect:
1. the invention provides that a kind of to take isoprene-isobutylene rubber and polyisobutene be matrix resin, in matrix resin, added tackifying resin, and be aided with the cold anticorrosion adhesive tape that twines that Plasticising system and mineral filler are made, this adhesive tape toasts easy construction without naked light, cohesiveness and sealing property are better, preservative effect is excellent, and cold twining in the anticorrosion reparation that anticorrosion adhesive tape can be widely used in petroleum pipe line of the present invention is being significant extending aspect petroleum pipe line work-ing life and saving resource.
2. through performance test is known, and the cold antikathode stripping performance that twines anticorrosion adhesive tape of the present invention improves a lot, and has guaranteed that it has good adhesive property under normal use temperature, and has kept the otherwise performances such as its mechanics, electricity.
Embodiment
In order to make correlative technology field personnel understand better the present invention, and above-mentioned advantage of the present invention can be become apparent more, below in conjunction with specific embodiment, the present invention is further detailed explanation.
Embodiment 1
(1) take 70 parts of matrix resins (isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene), 20 parts of ester gums, 5 parts of environment-friendly aromatic oils, 0.5 part of four [β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic acid] mixture of pentaerythritol ester and two Lauryl Alcohol esters, 4.5 parts of platy talc, standby;
(2) by taking standby raw material in step (1), put in Banbury mixer, temperature is controlled at 180～220 ℃, and banburying 30 minutes is extruded, stretching, cooling, pelletizing, makes masterbatch;
(3) master batch of preparation in step (2) is put in forcing machine, extruded the thin slice base material of anticorrosion adhesive tape, sheet thickness is 0.1～0.3mm, obtains product of the present invention after cooling and shaping.This cold anticorrosion adhesive tape that twines can also be used together with corresponding cold priming.
Embodiment 2
(1) take 62 parts of matrix resins (isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene), 30 parts of sweet terpine resins, 6 parts of o-phthalic acid dibutyl esters, 0.5 part of four [β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic acid] mixture of pentaerythritol ester and two Lauryl Alcohol esters, 1.5 parts of median sizes are the light calcium carbonate of 0.1～3 μ m, standby;
(2) by taking standby raw material in step (1), put in Banbury mixer, temperature is controlled at 180～220 ℃, and banburying 30 minutes is extruded, stretching, cooling, pelletizing, makes masterbatch;
(3) master batch of preparation in step (2) is put in forcing machine, extruded the thin slice base material of anticorrosion adhesive tape, sheet thickness is 0.1～0.3mm, obtains product of the present invention after cooling and shaping.
Embodiment 3
(1) take 78 parts of matrix resins (isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene), 15 parts of C
5petroleum resin, 5 parts of environment-friendly aromatic oils, the mixture of 0.5 part of four [β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic acid] pentaerythritol ester and two Lauryl Alcohol esters, 1.5 parts of median sizes are the light calcium carbonate of 0.1～3 μ m, standby;
(2) by taking standby raw material in step (1), put in Banbury mixer, temperature is controlled at 180～220 ℃, and banburying 30 minutes is extruded, stretching, cooling, pelletizing, makes masterbatch;
(3) master batch of preparation in step (2) is put in forcing machine, extruded the thin slice base material of anticorrosion adhesive tape, sheet thickness is 0.1～0.3mm, obtains product of the present invention after cooling and shaping.
Performance test
Embodiment 1-3 and commercially available similar anticorrosion adhesive tape are done to performance test, as the elongation at break of the tensile strength of base material, base material, to performances such as the stripping strength of priming paint steel, electrical strength, volume specific resistance, heat aging property, water-intake rates, and detection coordinates the outward appearance after being wound around with priming paint, in embodiment 1-3, product is smooth without the drum that bubbles, do not rise, outside after being wound around, and thickness deviation is all less than 10%.
Detected result as shown in table 1, the properties result of embodiment 1 will be got well compared to embodiment's 2,3, and embodiment 1 is the most preferred embodiment in the embodiment of the present invention.Tensile strength 22～the 24MPa of the anticorrosion adhesive tape base material in embodiment 1-3, elongation at break is 384～479%, far away higher than the standard of base material tensile strength >=18MPa, the standard of base material elongation at break >=200%, the elasticity that anticorrosion adhesive tape of the present invention is described is larger, can be good at meeting the winding requirement of anticorrosive construction, make preservative effect better.
Anticorrosion adhesive tape normal temperature stripping strength of the present invention can reach 38N/cm, is greater than standard 30N/cm, and at normal temperatures, anticorrosion adhesive tape of the present invention is larger to the stripping strength of priming paint steel, illustrates that the adhesive property of this anticorrosion adhesive tape is superior; Water-intake rate is minimum is only 0.03%, and lower than standard 0.2%, the waterproof effect of lower this material of explanation of water-intake rate is better, is wrapped on pipeline and can prevents water smoke infiltration, and its preservative effect is better; And after testing by heat-proof aging, its heat-proof aging conservation rate is all more than 90%, and the heat aging property of illustrative material is better.
The present invention has fundamentally realized the raising of antikathode stripping performance for the improvement of anticorrosion adhesive tape base material formula, can guarantee its good adhesive property under normal use temperature, and do not reduce the performance of the each side such as other mechanics, electricity, chemistry, can be widely used in the anticorrosion reparation of petroleum pipe line, aspect prolongation petroleum pipe line work-ing life and saving resource, be significant.
The above; be only the specific embodiment of the present invention, protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Table 1 the performance test results
| Test item | Examination criteria | Embodiment 1 | Embodiment 2 | Embodiment 3 | Commercially available adhesive tape |
| Tensile strength MPa | GB/T1040 | 24 | 22 | 23 | 19 |
| Elongation at break % | GB/T1040 | 479 | 384 | 416 | 257 |
| Stripping strength N/cm | GB/T2790 | 38 | 36 | 37 | 29 |
| Electrical strength MV/m | GB1408 | 34 | 31 | 30 | 32 |
| Volume specific resistance Ω m | GB1410 | 1.9×10 13 | 1.6×10 13 | 1.1×10 13 | 1.8×10 12 |
| Heat-proof aging conservation rate % | GB/T7141 | 94 | 95 | 91 | 76 |
| Water-intake rate % | -- | 0.03 | 0.07 | 0.05 | 0.4 |
Claims (7)
1. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection, is characterized in that, counts by weight, and its base material formula comprises: 62～78 parts of matrix resins, 15～30 parts of tackifying resins, 1～10 part of Plasticising system, 0.05～1 part of oxidation inhibitor, 1～12 part of mineral filler; Described matrix resin comprises isoprene-isobutylene rubber and polyisobutene, and wherein isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene, and described tackifying resin is one or more mixtures in ester gum, C5 petroleum resin and terpine resin.
2. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 1, is characterized in that, counts by weight, and its base material formula comprises: 70 parts of matrix resins, 20 parts of tackifying resins, 5 parts of Plasticising systems, 0.5 part of oxidation inhibitor, 4.5 parts of mineral fillers; Described matrix resin comprises isoprene-isobutylene rubber and polyisobutene, and wherein isoprene-isobutylene rubber is 4:3 with the ratio of the weight of polyisobutene, and described tackifying resin is one or more mixtures in ester gum, C5 petroleum resin and terpine resin.
3. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 2, is characterized in that, described Plasticising system comprises environment-friendly aromatic oil or o-phthalic acid dibutyl ester.
4. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 2, is characterized in that, described oxidation inhibitor is the mixture of Hinered phenols antioxidant and thio-2 acid di-esters auxiliary antioxidant.
5. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 4, is characterized in that, described oxidation inhibitor is the mixture of four [β-(3,5-di-t-butyl-4 hydroxy phenyl) propionic acid] pentaerythritol ester and two Lauryl Alcohol esters.
6. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 2, is characterized in that, described filler is platy talc or light calcium carbonate.
7. the cold anticorrosion adhesive tape that twines for pipeline corrosion protection according to claim 6, is characterized in that, the median size of described light calcium carbonate is 0.1～3 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517976.1A CN103602291A (en) | 2013-10-28 | 2013-10-28 | Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517976.1A CN103602291A (en) | 2013-10-28 | 2013-10-28 | Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion |
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| CN103602291A true CN103602291A (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310517976.1A Pending CN103602291A (en) | 2013-10-28 | 2013-10-28 | Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497433A (en) * | 2013-09-29 | 2014-01-08 | 苏州华周胶带有限公司 | Butyl rubber waterproof sealing adhesive tape substrate |
| CN106520021A (en) * | 2016-12-01 | 2017-03-22 | 日东（青岛）研究院有限公司 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
| CN112391009A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Sealing material for sealing crossing sleeve, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102020842A (en) * | 2010-12-22 | 2011-04-20 | 东莞市意普万工程塑料有限公司 | Nylon composite material special for electric wire and cable jacket and preparation method thereof |
| CN102634299A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Method for preparing rubber master batch |
| CN102965047A (en) * | 2012-12-19 | 2013-03-13 | 吴孟怀 | Double-sided all-purpose adhesive tape |
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2013
- 2013-10-28 CN CN201310517976.1A patent/CN103602291A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020842A (en) * | 2010-12-22 | 2011-04-20 | 东莞市意普万工程塑料有限公司 | Nylon composite material special for electric wire and cable jacket and preparation method thereof |
| CN102634299A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Method for preparing rubber master batch |
| CN102965047A (en) * | 2012-12-19 | 2013-03-13 | 吴孟怀 | Double-sided all-purpose adhesive tape |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497433A (en) * | 2013-09-29 | 2014-01-08 | 苏州华周胶带有限公司 | Butyl rubber waterproof sealing adhesive tape substrate |
| CN106520021A (en) * | 2016-12-01 | 2017-03-22 | 日东（青岛）研究院有限公司 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
| CN112391009A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Sealing material for sealing crossing sleeve, and preparation method and application thereof |
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Application publication date: 20140226 |