CN1079104C - Composite polyethylene antiseptic adhesive tape and production method thereof - Google Patents
Composite polyethylene antiseptic adhesive tape and production method thereof Download PDFInfo
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- CN1079104C CN1079104C CN99113675A CN99113675A CN1079104C CN 1079104 C CN1079104 C CN 1079104C CN 99113675 A CN99113675 A CN 99113675A CN 99113675 A CN99113675 A CN 99113675A CN 1079104 C CN1079104 C CN 1079104C
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- 239000004698 Polyethylene Substances 0.000 title claims abstract description 50
- -1 polyethylene Polymers 0.000 title claims abstract description 50
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 50
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000002421 anti-septic effect Effects 0.000 title claims description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims description 24
- 238000002203 pretreatment Methods 0.000 claims description 18
- VHOQXEIFYTTXJU-UHFFFAOYSA-N Isobutylene-isoprene copolymer Chemical group CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 claims description 16
- 229920005549 butyl rubber Polymers 0.000 claims description 14
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 12
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 229920002367 Polyisobutene Polymers 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 229920003244 diene elastomer Polymers 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 229920001038 ethylene copolymer Polymers 0.000 claims description 6
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 238000004513 sizing Methods 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 210000002469 basement membrane Anatomy 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a composite polyethylene anticorrosion adhesive tape which is formed by combining a 20% to 75% (by thickness) of polyethylene base film with a 15% to 75% (by thickness) of pressure-sensitive butylene rubber layer under a thermokarst state, wherein the polyethylene base film and the heated rubber layer are both rolled once in the process of combining; moreover, the polyethylene base film is combined with the heated rubber layer under the thermokarst state. Consequently, the density and the uniformity of the composite polyethylene anticorrosion adhesive tape are further improved. Compared with the prior art, the present invention has higher interface mechanical strength and reliable corrosion resistance. The present invention can be widely used in the external corrosion resistance of various steel pipelines. Moreover, the present invention has the advantages of simple production technology, no consumption of toxic solvent and high productive efficiency.
Description
The present invention relates to a kind ofly wrap up in the metallic conduit outer wall with etch-proof sealing tape particularly a kind of composite polyethylene antiseptic adhesive tape.
Adopt the pipeline protection system of polyethylene antiseptic adhesive tape to be made of the outer buffer zone of buffer zone and one deck in one deck primer, one deck usually: primer is the rubber elastomer that solvent is mixed with, and internal layer anti-corrosion belt and outer buffer zone constitute by polyethylene film and isoprene-isobutylene rubber caking agent.Compare with other pipeline corrosion protection materials, it is good that polyethylene antiseptic adhesive tape has an antiseptic property, long service life, easy construction civilization, advantage such as suitability is wide, existing existingly use widely.Along with applying of heavy-caliber pipeline and long-distance transport pipes, need kind is more, quality is higher antiseptic adhesive tape to satisfy user's needs.Domestic polyethylene antiseptic adhesive tape technology starts from the seventies, the main at present coating method production polyethylene antiseptic adhesive tape that adopts, and this can not satisfy service requirements; And abroad, polyethylene antiseptic adhesive tape has the applicating history of five more than ten years, it is produced and mostly adopts co-extrusion hot melt composite algorithm, promptly in the multiple roll compounding machine, roll into the uniform thin slice of thickness with the polyethylene sheet stock of extruding through abundant mixing isoprene-isobutylene rubber caking agent, and both are combined with each other under the hot melt state, cooling then, batch, cut, packing, best brand of product mainly contains the Polyken board sealing tape of U.S. Kendall company, the sealing tape of Italy Alta company and the sealing tape of electrician company of Furukawa Electronic, Kendall company and Alta company adopt three-roller production, technology is simple relatively, but its product uniformity coefficient is not enough; Furukawa company then adopts two step method, promptly earlier the basement membrane calendering is finished, and to improve the polyethylene film surface tension, carries out compoundly with glue with corona treatment again, and its product all increases on density and uniformity coefficient, but its technology relative complex.
Purpose of the present invention provides relative simple composite polyethylene antiseptic adhesive tape with good evenness and manufacturing process of a kind of density and manufacture method with regard to being at the present situation of above-mentioned prior art.
The object of the present invention is achieved like this: composite polyethylene antiseptic adhesive tape is composited under heat is melted state than polyethylene based film and 25%-80% pressure-sensitive isoprene-isobutylene rubber glue-line by 20%-75% by thickness; Wherein the composition of basement membrane is new LDPE (film grade) 50-60%, high density polyethylene(HDPE) 25-35%, linear low density polyethylene 9-14%, ethylene copolymer 4-6%, colour batch 1-2%; The composition of glue-line is isoprene-isobutylene rubber 25-40%, isobutene-diene rubber regeneration 5-8%, lime carbonate 11-15%, talcum powder 11-15%, carbon black 8-10%, terpine resin 12-17%, petroleum resin 5-7%, polyisobutene 4-6%, dibutyl phthalate 2-4%, hard ester acid 1-2%.
The sealing tape thickness of making can be controlled between the 0.15mm-1.50mm, and width can be controlled between the 20mm-500mm, and its bondline thickness can be controlled between the 0.05mm-1.50mm.
The method of making above-mentioned composite polyethylene antiseptic adhesive tape is: according to the above ratio each component uniform mixing is processed into polyethylene based film pre-treatment thing and butyl rubber compounds pre-treatment thing respectively, and then melt under the state compound through accurate four-roll calender in heat these two kinds of pre-treatment things: as shown in Figure 2,1#～4# four pressure rollers are " S " type and arrange, every roller drives (not shown) by buncher separately, with polyethylene based film pre-treatment thing through 3#, the 4# roll-in in flakes and be rolled on the 3# roller, butyl rubber compounds pre-treatment thing is through 1#, the 2# roll-in in flakes and be rolled on the 2# roller, both are again through 2#, the 3# roller is compound, and be pressed into the band shape of different thickness, again through rolling, cut into the antiseptic adhesive tape of different width dimensions.
Described polyethylene based film pre-treatment thing can stir each component according to the above ratio at spiral ribbon mixer, melt extrude through forcing machine and make, and its extrusion temperature can be controlled at 100-280 ℃; With 150-220 ℃ is good, described butyl rubber compounds pre-treatment thing is can be according to the above ratio mixing evenly and by compressing tablet mill slice in Banbury mixer with each component, in the intensification mill, heat up again, and by feeding mill shaping, wherein banburying temperature can be controlled at 110-170 ℃, is good with 130-145 ℃; The material combined temp that melts of polyethylene based film and isoprene-isobutylene rubber layer is controlled at 90-160 ℃, is good with 120-135 ℃.
The present invention with compare with domestic coating method technology, variable range with stripping strength height, tensile strength height, bondline thickness is big, can save a large amount of noxious solvents, and enhance productivity greatly, compare with the two step method of electrician company of Furukawa Electronic, have technology simple, need not advantage such as corona treatment, compare with the three-roller recombining process that Italian Alta company adopts with U.S. Kendall company, tackiness agent and polyethylene all can be subjected to a roll-in, make its density and uniformity coefficient that further raising be arranged.
Description of drawings:
Fig. 1 is the structure sectional view of product of the present invention.
Fig. 2 melts recombination process synoptic diagram under the state for the present invention's heat in accurate four-roll calender.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
As shown in Figure 1, composite polyethylene antiseptic adhesive tape comprises polyethylene based film B and pressure-sensitive isoprene-isobutylene rubber glue-line A, be composited under the state than melting by thickness, referring to Fig. 2 by the polyethylene based film of 20%-75% and 25%-80% pressure-sensitive isoprene-isobutylene rubber glue-line heat in accurate four-roll calender.
Embodiment one:
Polyethylene based film adopts: 54% part of new LDPE (film grade), 29% part of high density polyethylene(HDPE), 11% part of linear low density polyethylene, 4% part of ethylene copolymer, 2% part of colour batch;
Butyl rubber compounds adopts: 34% part of isoprene-isobutylene rubber, 7% part of isobutene-diene rubber regeneration, 11% part in lime carbonate, 11% part of talcum powder, 10% part of carbon black, 12% part of terpine resin, 6% part of petroleum resin, 5% part of polyisobutene, 3% part of dibutyl phthalate, stearic acid 1%.
Each component of polyethylene based film stirs through spiral ribbon mixer, melt extrudes tablet forming to 3#, the 4# roller through forcing machine, and diaphragm thickness is 0.36mm;
It is mixing even in Banbury mixer to add filler and auxiliary agent in the isoprene-isobutylene rubber, and by compressing tablet mill slice, rubber unvulcanizate heats up in the intensification mill and supplies with 1#, 2# roller with the sizing material compressing tablet by feeding mill shaping, and film thickness is 0.24mm;
It is more compound through 2#, 3# roller again than 6: 4 that polyethylene based film and butyl rubber compounds are pressed thickness, the sealing tape total thickness is 0.6mm, combined temp is controlled at 125 ℃, and compound good sealing tape deflects from after cool off and coil into big volume, will roll up rewinding greatly more as required and cut into product.
The product stripping strength of present embodiment is 22N/cm, and tensile strength is 18MPa, and this sealing tape is softer and stripping strength is big, can be used for band in the outer rot-resistant of steel pipe, mainly plays preservative activity.
Embodiment two:
Polyethylene based film adopts: new LDPE (film grade) 50%, high density polyethylene(HDPE) 31%, linear low density polyethylene 14%, ethylene copolymer 4%, colour batch 1%;
Sizing material adopts: isoprene-isobutylene rubber 40%, isobutene-diene rubber regeneration 5%, lime carbonate 11%, talcum powder 11%, carbon black 8%, terpine resin 13%, petroleum resin 5%, polyisobutene 4%, dibutyl phthalate 2%, stearic acid 1%;
Each component of polyethylene based film stirs through spiral ribbon mixer, melt extrudes tablet forming to 3#, the 4# roller through forcing machine, and diaphragm thickness is 0.65mm;
It is mixing even in Banbury mixer to add filler and auxiliary agent in the isoprene-isobutylene rubber, and by compressing tablet mill slice, rubber unvulcanizate heats up in the intensification mill, and supplies with 1#, 2# roller with the sizing material compressing tablet by feeding mill shaping, and film thickness is 0.16mm;
It is more compound through 2#, 3# roller again than 3: 1 that polyethylene based film and butyl rubber compounds are pressed thickness, the sealing tape total thickness is 0.65mm, combined temp is controlled at 135 ℃, and compound good sealing tape deflects from after cool off and coil into big volume, will roll up rewinding greatly more as required and cut into product.
This product stripping strength of present embodiment is 20N/cm, and tensile strength is 20MPa, and this sealing tape can bear bigger mechanical impact power, can be used for the outer rot-resistant of steel pipe in addition, mainly prevents the physical abuse of preservative coat in pipeline carrying hyposulculus process.
Embodiment three
Polyethylene based film adopts: 60% part of new LDPE (film grade), 24% part of high density polyethylene(HDPE), 10% part of linear low density polyethylene, 5% part of ethylene copolymer, 1% part of colour batch.
Butyl rubber compounds adopts: isoprene-isobutylene rubber 25%, isobutene-diene rubber regeneration 7%, lime carbonate 14%, talcum powder 14%, carbon black 9%, terpine resin 14%, petroleum resin 7%, polyisobutene 6%, dibutyl phthalate 2%, stearic acid 2%;
Each component of polyethylene based film stirs through spiral ribbon mixer, melt extrudes tablet forming to 3#, the 4# roller through forcing machine, and diaphragm thickness is 0.2mm;
It is mixing even in Banbury mixer to add filler and auxiliary agent in the butyl rubber compounds, and by compressing tablet mill slice, rubber unvulcanizate heats up in the intensification mill, and supplies with 1#, 2# roller with the sizing material compressing tablet by feeding mill shaping, and film thickness is 0.6mm;
It is more compound through 2#, 3# roller again than 1: 3 that polyethylene based film and butyl rubber compounds are pressed thickness, the sealing tape total thickness is 0.8mm, combined temp is controlled at 120 ℃, and compound good sealing tape deflects from after cool off and coil into big volume, will roll up rewinding greatly more as required and cut into product.
The product stripping strength of present embodiment is 22N/cm, and tensile strength is 18MPa, and this sealing tape is softer and stripping strength is big, can be used for the anticorrosion of outer rot-resistant repaired mouth of steel pipe and three-way elbow place.
Claims (6)
1. composite polyethylene antiseptic adhesive tape is characterized in that:
A. under melting state, heat is composited than polyethylene based film and 25%-80% pressure-sensitive isoprene-isobutylene rubber glue-line by thickness by 20%-75%;
B. the composition of described polyethylene based film is new LDPE (film grade) 50-60%, high density polyethylene(HDPE) 25-35%, linear low density polyethylene 9-14%, ethylene copolymer 4-6%, colour batch 1-2%;
C. described isoprene-isobutylene rubber glue-line composition is isoprene-isobutylene rubber 25-40%, isobutene-diene rubber regeneration 5-8%, lime carbonate 11-15%, talcum powder 11-15%, carbon black 8-10%, terpine resin 12-17%, petroleum resin 5-7%, polyisobutene 4-6%, dibutyl phthalate 2-4%, hard ester acid 1-2%.
2. composite polyethylene antiseptic adhesive tape as claimed in claim 1 is characterized in that its thickness is 0.15mm-1.50mm, and width is 20mm-500mm, and wherein bondline thickness is 0.05mm-1.50mm.
3. method of making composite polyethylene antiseptic adhesive tape is characterized in that:
A. prepare earlier polyethylene based film pre-treatment thing and butyl rubber compounds pre-treatment thing respectively:
The preparation of polyethylene based film pre-treatment thing: get new LDPE (film grade) 50-60%, high density polyethylene(HDPE) 25-35%, linear low density polyethylene 9-14%, ethylene copolymer 4-6%, colour batch 1-2% stirs each component at spiral ribbon mixer, melt extrude through forcing machine again;
Butyl rubber compounds pre-treatment thing: get isoprene-isobutylene rubber 25-40%, isobutene-diene rubber regeneration 5-8%, lime carbonate 11-15%, talcum powder 11-15%, carbon black 8-10%, terpine resin 12-17%, petroleum resin 5-7%, polyisobutene 4-6%, dibutyl phthalate 2-4%, hard ester acid 1-2%, each component is mixing evenly and by compressing tablet mill slice in Banbury mixer, in the intensification mill, heat up again, and by feeding mill shaping;
B. melt under the state compound through accurate four-roll calender in heat above-mentioned two kinds of pre-treatment things: with polyethylene based film pre-treatment thing tablet forming in 3#, 4# roller, the butyl rubber compounds pre-treatment is tablet forming in 1#, 2# roller, both are compound through 2#, 3# roller, and are pressed into the band shape of different thickness;
C. more above-mentioned composite band is rolled, cuts into the antiseptic adhesive tape of different width dimensions.
4. the manufacture method of composite polyethylene antiseptic adhesive tape as claimed in claim 3 is characterized in that melt extruding of polyethylene based film pre-treatment thing is controlled at 100-280 ℃.
5. the manufacture method of composite polyethylene antiseptic adhesive tape as claimed in claim 3 is characterized in that the banburying temperature of butyl rubber compounds pre-treatment thing is controlled at 110-170 ℃.
6. the manufacture method of composite polyethylene antiseptic adhesive tape as claimed in claim 3 is characterized in that the combined temp of polyethylene based film pre-treatment thing and butyl rubber compounds pre-treatment thing is controlled at 90-160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99113675A CN1079104C (en) | 1999-04-28 | 1999-04-28 | Composite polyethylene antiseptic adhesive tape and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99113675A CN1079104C (en) | 1999-04-28 | 1999-04-28 | Composite polyethylene antiseptic adhesive tape and production method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN1234422A CN1234422A (en) | 1999-11-10 |
| CN1079104C true CN1079104C (en) | 2002-02-13 |
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| CN99113675A Expired - Fee Related CN1079104C (en) | 1999-04-28 | 1999-04-28 | Composite polyethylene antiseptic adhesive tape and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359235C (en) * | 2005-12-15 | 2008-01-02 | 四川石油管理局 | Anti-corrosion technology of three-layer cold strip hot winding for steel pipes |
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| CN102051139B (en) * | 2010-12-21 | 2013-04-24 | 浙江工业大学 | Polyethylene anticorrosion adhesive tape and preparation method thereof |
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| CN103074004A (en) * | 2013-01-06 | 2013-05-01 | 吴孟怀 | Plastic-coated butyl insulating tape |
| CN103074003A (en) * | 2013-01-06 | 2013-05-01 | 吴孟怀 | Butyl-containing insulating tape |
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| CN109517537B (en) * | 2018-10-17 | 2021-02-12 | 沈阳化工大学 | Butyl pressure-sensitive adhesive containing C5 petroleum resin and butyl capsule reclaimed rubber |
| CN110872845A (en) * | 2019-12-10 | 2020-03-10 | 江苏金海新能源科技有限公司 | Anti-corrosion anchors, prestressed anchor assemblies and wind power support structures |
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| US5859114A (en) * | 1994-10-27 | 1999-01-12 | Bridgestone/Firstone, Inc. | Adhesive tape compositions and method for covering roofs |
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1999
- 1999-04-28 CN CN99113675A patent/CN1079104C/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| US4668576A (en) * | 1984-07-09 | 1987-05-26 | Nitto Electric Industrial Co., Ltd. | Tape primer composition |
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Cited By (1)
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| CN100359235C (en) * | 2005-12-15 | 2008-01-02 | 四川石油管理局 | Anti-corrosion technology of three-layer cold strip hot winding for steel pipes |
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| CN1234422A (en) | 1999-11-10 |
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Owner name: NINGBO ANDA ANTISEPTIC MATERIALS CO., LTD. Free format text: FORMER NAME OR ADDRESS: SINO-AMERICA JOINT-VENTURE ANDA ADHESIVE-TAPE PRODUCTS CO., LTD., NINGBO |
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