CN101698720B - Medium and low pressure single wall thermal shrinkage pipe and preparation method thereof - Google Patents
Medium and low pressure single wall thermal shrinkage pipe and preparation method thereof Download PDFInfo
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- CN101698720B CN101698720B CN2009101850587A CN200910185058A CN101698720B CN 101698720 B CN101698720 B CN 101698720B CN 2009101850587 A CN2009101850587 A CN 2009101850587A CN 200910185058 A CN200910185058 A CN 200910185058A CN 101698720 B CN101698720 B CN 101698720B
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- thermal shrinkage
- mesolow
- shrinkage pipe
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- 238000002360 preparation method Methods 0.000 title abstract description 17
- 229920000098 polyolefin Polymers 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 20
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 18
- 238000004132 cross linking Methods 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 15
- 230000003078 antioxidant effect Effects 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000012188 paraffin wax Substances 0.000 claims description 14
- 206010070834 Sensitisation Diseases 0.000 claims description 12
- 230000008313 sensitization Effects 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 9
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 claims description 9
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical group CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 235000019260 propionic acid Nutrition 0.000 claims description 9
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 150000002910 rare earth metals Chemical class 0.000 claims description 9
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical group [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 9
- -1 pentaerythritol ester Chemical class 0.000 claims description 7
- 239000000126 substance Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 2
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000006084 composite stabilizer Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229940059574 pentaerithrityl Drugs 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003446 memory effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a thermal shrinkage pipe, in particular to a medium and low pressure single wall thermal shrinkage pipe and a preparation method thereof. The medium and low pressure single wall thermal shrinkage pipe is made from a wall material which comprises 85 parts of polyolefin mixed resin and 10 parts of auxiliary agent by weight. The preparation method comprises the following steps: preparing the wall material of the medium and low-pressure single wall thermal shrinkage pipe, extruding, irradiating and expanding for molding. Compared with the traditional shrinkage pipe, the invention has the technical characteristics that an outer layer keeps the good electrical properties, chemical properties and other characteristics of a common thermal shrinkage pipe, has all operational properties of the common thermal shrinkage pipe, and also has the properties of water prevention, sealing, moisture prevention, corrosion prevention and the like.
Description
One, technical field:
The present invention relates to a kind of heat-shrinkable tube, be specifically related to a kind of mesolow single-wall heat-shrinkable tube and preparation method thereof
Two, background technology
The pyrocondensation product is from being born till now; tempo be we can say and advanced by leaps and bounds; Application Areas is constantly widened, and is mainly used in insulation protection at the beginning of the pyrocondensation products production, is widely used in Aeronautics and Astronautics, boats and ships, automobile, household electrical appliances, communication and field of petrochemical industry till now.The pyrocondensation product plays effects such as anticorrosion, the against shock dislocation of sealed damp-proof, waterproof and circuit to cable junction and bifurcation, therefore both required heat-shrinkable tube that good physicals and electrical property are arranged, as performances such as wearability, shock resistance, insulation strength height; Requiring again simultaneously has good chemical property, as erosion resistance and weathering resistance etc.But common heat-shrink tube can't satisfy these requirements simultaneously, this has just proposed a new problem to us, that be exactly must exploitation be a kind of can waterproof sealing, a kind of novel pyrocondensation product of certain mechanical strength, good electrical properties and chemical property is arranged again.
Three, summary of the invention:
Technical purpose
The purpose of this invention is to provide a kind of single-walled pipe heat-shrinkable tube, certain mechanical strength, good electrical properties and chemical property characteristics be arranged, have good economic benefit and environmental protection benefit, be fit to apply on a large scale.
Technical scheme
The present invention has following technical scheme to finish: a kind of mesolow single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is by 85 parts of polyolefine hybrid resins, and auxiliary agent is 15 parts of compositions;
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 10～20%EVA630,10～20%EVA421,20～30%EVA283 and four kinds of polyolefine material melt blendings of 30～50%EVA220 make;
Described auxiliary agent is made up of paraffin, antioxidant, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) tetramethylolmethane 1-3 part wherein; Anti copper agent MDA-1024 (hydroxy-terminated polybutadienes vinyl cyanide fluid rubber) 0.5-1 part; Processing stabilizers rare earth composite stabilizer (REC-LS-D or REC-LS-F) 0.02-2 part; Smoke suppressor zinc borate 2-4 part; Sensitization crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part; Surplus is a paraffin;
A kind of preparation method of mesolow single-wall heat-shrinkable tube:
A, the preparation of described mesolow single-wall heat-shrinkable tube external wall material:
The polyolefine hybrid resin of polyolefine hybrid resin for making according to mass percent: 10～20%EVA630,10～20%EVA421,20～30%EVA283 and four kinds of polyolefine material melt blendings of 30～50%EVA220; Described auxiliary agent by paraffin, antioxidant, anti copper agent, processing stabilizers form, the sensitization crosslinking coagent presses mass fraction and forms, antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 1-3 part wherein; Anti copper agent MDA-1024 (hydroxy-terminated polybutadienes vinyl cyanide fluid rubber) 0.5-1 part; Processing stabilizers rare earth composite stabilizer (REC-LS-D or REC-LS-F) 0.02-2 part; Smoke suppressor zinc borate 2-4 part; Change crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part; Surplus is a paraffin;
Above-mentioned raw material adding Banbury mixer or height are stirred machine; stirring the back adds in the twin-screw mixer machine; under 140～160 ℃ temperature condition; through fully stirring and banburying; screw speed 125rpm, 110～135 ℃ of melting temperatures fully merge each component; be prepared into the wall material of described mesolow single-wall heat-shrinkable tube then through the tablets press granulation, standby.
B, extrude:
The wall material of steps A preparation is added in the forcing machine, and through extrusion moulding from extruder head behind the fuselage heating and melting, through the tank cooling, wind-force dries up then, behind the surperficial lettering, receives on all rotating disks through tractor;
C, irradiation:
All rotating disks are put on the pay off rack,, introduce in the radiation chamber through the adjustable tension bracket of overtension, the present invention adopts irradiation device for electronic accelerator, irradiation dose is 12Mrad, to the single-walled pipe work in-process of making circulate irradiation and cooling, is 30～60 circles at the number of times of exposure cell's internal recycle irradiation.Passing through the wire coiler rolling on all rotating disks;
D, expansion:
The mesolow single-wall heat-shrinkable tube that irradiation is good is placed on the pay off rack, adjust tension force, introduce in the dilator, add through overbalance, after the twin wall emitter lateral work in-process reach 100 ℃ of technological temperatures, introduce Standard Module and expand and cool off, introduce tank then and fully cool off, product temperature is reduced to room temperature, and rolling is packaged into described mesolow single-wall heat-shrinkable tube finished product then.
The main production equipments inventory
| Machinery or device name | Model specification | The country origin place of production | Rated output |
| Rumbatron | DD | Chinese Shanghai | 2.0Mev |
| Multi-functional irradiation transmission system | / | Chinese Shanghai | 80KW |
| The granulation Banbury mixer | 75L | Chinese Shanghai | 150KW |
| Forcing machine | SJ-120 | The China Zhangjiagang | 123KW |
| Twin screw extruder | TE-70 | Nanjing of China | 75KW |
Principle: because cross-linking radiation changes polyolefinic molecular structure, this variation makes polyolefine have memory effect under certain condition.Heat-shrinkable tube utilizes the principle of this memory effect just, behind the heat-shrinkable tube work in-process cross-linking radiation, with behind its expansion cooling and shaping, is exactly finished product after the heating.In use, the heating back is because memory effect retracts to the preceding state of expansion again.
Beneficial effect:
1, wall material: because the outer main insulation protection effect that plays.So when the outer pipe wall material prescription designed, we had selected intensity higher, the polyolefine that softening temperature is 120～130 ℃ is cooked major ingredient, adds other auxiliary agents of corresponding proportion simultaneously.
2, this product satisfies the environmental requirement of state ROHS such as European Union instruction fully, has that low temperature shrinks, three times to four times stable expansions, has advantages such as vertical shrinking percentage is low.
Four, embodiment
Embodiment 1
A kind of mesolow single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is by 85 parts of polyolefine hybrid resins, and auxiliary agent is 15 parts of compositions;
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 10～20%EVA630,10～20%EVA421,20～30%EVA283 and four kinds of polyolefine material melt blendings of 30～50%EVA220 make;
Described auxiliary agent is made up of paraffin, antioxidant, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) tetramethylolmethane 1-3 part wherein; Anti copper agent MDA-1024 (hydroxy-terminated polybutadienes vinyl cyanide fluid rubber) 0.5-1 part; Processing stabilizers rare earth composite stabilizer (REC-LS-D or REC-LS-F) 0.02-2 part; Smoke suppressor zinc borate 2-4 part; Change crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part; Surplus is a paraffin;
A kind of preparation method of mesolow single-wall heat-shrinkable tube:
A, the preparation of described mesolow single-wall heat-shrinkable tube external wall material:
The polyolefine hybrid resin of polyolefine hybrid resin for making according to mass percent: 10～20%EVA630,10～20%EVA421,20～30%EVA283 and four kinds of polyolefine material melt blendings of 30～50%EVA220; Described auxiliary agent by paraffin, antioxidant, anti copper agent, processing stabilizers form, the sensitization crosslinking coagent presses mass fraction and forms, antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 1-3 part wherein; Anti copper agent MDA-1024 (hydroxy-terminated polybutadienes vinyl cyanide fluid rubber) 0.5-1 part; Processing stabilizers rare earth composite stabilizer (REC-LS-D or REC-LS-F) 0.02-2 part; Smoke suppressor zinc borate 2-4 part; Change crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part; Surplus is a paraffin;
Above-mentioned raw materials is added Banbury mixer or height stirs machine; stirring the back adds in the twin-screw mixer machine; under 140～160 ℃ temperature condition; through fully stirring and banburying; screw speed 125rpm, 110～135 ℃ of melting temperatures fully merge each component; be prepared into the wall material of described mesolow single-wall heat-shrinkable tube then through the tablets press granulation, standby.
B, extrude:
The wall material of steps A preparation is added in the forcing machine, and through extrusion moulding from extruder head behind the fuselage heating and melting, through the tank cooling, wind-force dries up then, behind the surperficial lettering, receives on all rotating disks through tractor;
C, irradiation:
All rotating disks are put on the pay off rack,, introduce in the radiation chamber through the adjustable tension bracket of overtension, the present invention adopts irradiation device for electronic accelerator, irradiation dose is 12Mrad, to the single-walled pipe work in-process of making circulate irradiation and cooling, is 30～60 circles at the number of times of exposure cell's internal recycle irradiation.Passing through the wire coiler rolling on all rotating disks;
D, expansion:
The mesolow single-wall heat-shrinkable tube that irradiation is good is placed on the pay off rack, adjust tension force, introduce in the dilator, add through overbalance, after the twin wall emitter lateral work in-process reach 100 ℃ of technological temperatures, introduce Standard Module and expand and cool off, introduce tank then and fully cool off, product temperature is reduced to room temperature, and rolling is packaged into described mesolow single-wall heat-shrinkable tube finished product then.
Embodiment 2
A kind of mesolow single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, described wall material is made up of for 10 parts 85 parts of polyolefine hybrid resins and auxiliary agent;
Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 10%EVA630,20%EVA421,25%EVA283 and four kinds of polyolefine material melt blendings of 45%EVA220 by mass percentage; Described auxiliary agent is antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester is 1 part, 1 part of anti copper agent hydroxy-terminated polybutadienes vinyl cyanide fluid rubber, 2 parts of rare earth composite stabilizers (REC-LS-D or REC-LS-F), 3 parts of smoke suppressor zinc borates, 1 part of sensitization crosslinking coagent TriMethylolPropane(TMP), surplus are paraffin;
A kind of preparation method of mesolow single-wall heat-shrinkable tube,
The preparation of A, wall material:
Described wall material is by 85 parts of polyolefine hybrid resins, and auxiliary agent is 15 parts of compositions; Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 10%EVA630,20%EVA421,25%EVA283 and four kinds of polyolefine material melt blendings of 45%EVA220 by mass percentage; Described auxiliary agent is antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester is 1 part, 1 part of anti copper agent hydroxy-terminated polybutadienes vinyl cyanide fluid rubber, 2 parts of rare earth composite stabilizers (REC-LS-D or REC-LS-F), 3 parts of smoke suppressor zinc borates, 1 part of sensitization crosslinking coagent TriMethylolPropane(TMP), surplus are paraffin;
Above-mentioned raw materials is added Banbury mixer or height stirs machine, stirring the back adds in the twin-screw mixer machine, under 150 ℃ temperature condition, through fully stirring and banburying, screw speed is 125rpm, and melting temperature is 120 ℃, and each component is fully merged, be prepared into the wall material of described mesolow single-wall heat-shrinkable tube then through the tablets press granulation, standby;
B, extrude:
The wall material of steps A preparation is added in the forcing machine, and through extrusion moulding from extruder head behind the fuselage heating and melting, through the tank cooling, wind-force dries up then, behind the surperficial lettering, receives on all rotating disks through tractor;
C, irradiation:
All rotating disks are put on the pay off rack,, introduce in the radiation chamber through the adjustable tension bracket of overtension, the present invention adopts irradiation device for electronic accelerator, irradiation dose is 12Mrad, to the twin wall emitter lateral work in-process of making circulate irradiation and cooling, is 30～60 circles at the number of times of exposure cell's internal recycle irradiation.Passing through the wire coiler rolling on all rotating disks;
D, expansion:
The single wall heat-shrink tube that irradiation is good is placed on the pay off rack, adjust tension force, introduce in the dilator, add through overbalance, after the twin wall emitter lateral work in-process reach 100 ℃ of technological temperatures, introduce Standard Module and expand and cool off, introduce tank then and fully cool off, product temperature is reduced to room temperature, and rolling is packaged into described mesolow single-wall heat-shrinkable tube finished product then.
Embodiment 3
A kind of mesolow single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, described wall material is made up of for 10 parts 85 parts of polyolefine hybrid resins and auxiliary agent;
Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 30%EVA630,20%EVA421,40%EVA283 and four kinds of polyolefine material melt blendings of 10%EVA220 by mass percentage; Described auxiliary agent is antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester is 1 part, 1 part of anti copper agent hydroxy-terminated polybutadienes vinyl cyanide fluid rubber, 2 parts of rare earth composite stabilizers (REC-LS-D or REC-LS-F), 3 parts of smoke suppressor zinc borates, 1 part of sensitization crosslinking coagent TriMethylolPropane(TMP), surplus are paraffin;
A kind of preparation method of mesolow single-wall heat-shrinkable tube,
The preparation of A, wall material:
Described wall material is by 85 parts of polyolefine hybrid resins, and auxiliary agent is 15 parts of compositions; Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 30%EVA630,20%EVA421,40%EVA283 and four kinds of polyolefine material melt blendings of 10%EVA220 by mass percentage; Described auxiliary agent is antioxidant four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester is 1 part, 1 part of anti copper agent hydroxy-terminated polybutadienes vinyl cyanide fluid rubber, 2 parts of rare earth composite stabilizers (REC-LS-D or REC-LS-F), 3 parts of smoke suppressor zinc borates, 1 part of sensitization crosslinking coagent TriMethylolPropane(TMP), surplus are paraffin;
Above-mentioned polyolefine hybrid resin and auxiliary agent are added Banbury mixer or height stirs machine, stirring the back adds in the twin-screw mixer machine, under 150 ℃ temperature condition, through fully stirring and banburying, screw speed is 125rpm, and melting temperature is 120 ℃, and each component is fully merged, be prepared into the wall material of described mesolow single-wall heat-shrinkable tube then through the tablets press granulation, standby;
B, extrude:
The wall material of steps A preparation is added in the forcing machine, and through extrusion moulding from extruder head behind the fuselage heating and melting, through the tank cooling, wind-force dries up then, behind the surperficial lettering, receives on all rotating disks through tractor;
C, irradiation:
All rotating disks are put on the pay off rack,, introduce in the radiation chamber through the adjustable tension bracket of overtension, the present invention adopts irradiation device for electronic accelerator, irradiation dose is 12Mrad, to the twin wall emitter lateral work in-process of making circulate irradiation and cooling, is 30～60 circles at the number of times of exposure cell's internal recycle irradiation.Passing through the wire coiler rolling on all rotating disks;
D, expansion:
The single wall heat-shrink tube that irradiation is good is placed on the pay off rack, adjust tension force, introduce in the dilator, add through overbalance, after the twin wall emitter lateral work in-process reach 100 ℃ of technological temperatures, introduce Standard Module and expand and cool off, introduce tank then and fully cool off, product temperature is reduced to room temperature, and rolling is packaged into described mesolow single-wall heat-shrinkable tube finished product then.
Claims (3)
1. mesolow single-wall heat-shrinkable tube is characterized in that: be made up of the wall material, according to mass fraction, described wall material is made up of for 10 parts 85 parts of polyolefine hybrid resins and auxiliary agent; Described polyolefine hybrid resin is the polyolefine hybrid resin that 10～20%EVA630,10～20%EVA421,20～30%EVA283 and four kinds of polyolefine material melt blendings of 30～50%EVA220 make by mass percentage; Described auxiliary agent is antioxidant 1-3 part, anti copper agent 0.5-1 part, and processing stabilizers 0.02-2 part, smoke suppressor 2-4 part, sensitization crosslinking coagent 1-2 part, surplus is a paraffin.
2. mesolow single wall heat-shrink tube according to claim 1 is characterized in that: described antioxidant is four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester; Anti copper agent is a hydroxy-terminated polybutadienes vinyl cyanide fluid rubber; Processing stabilizers is rare-earth stabilizer REC-LS-D or REC-LS-F; Smoke suppressor is a zinc borate; The sensitization crosslinking coagent is a TriMethylolPropane(TMP).
3. mesolow single wall heat-shrink tube according to claim 1 and 2 is characterized in that: described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 10%EVA630,20%EVA421,25%EVA283 and four kinds of polyolefine material melt blendings of 45%EVA220 by mass percentage; Described auxiliary agent is that antioxidant is 1 part, 1 part of anti copper agent, and 2 parts of processing stabilizers, 3 parts of smoke suppressors, 1 part of sensitization crosslinking coagent, surplus is a paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101850587A CN101698720B (en) | 2009-10-28 | 2009-10-28 | Medium and low pressure single wall thermal shrinkage pipe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101850587A CN101698720B (en) | 2009-10-28 | 2009-10-28 | Medium and low pressure single wall thermal shrinkage pipe and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101698720A CN101698720A (en) | 2010-04-28 |
| CN101698720B true CN101698720B (en) | 2011-09-14 |
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| CN104086843A (en) * | 2014-06-30 | 2014-10-08 | 无锡新腾东方电缆附件有限公司 | Thermal-contraction and flame-retardant thin tube |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039039A (en) * | 1988-11-17 | 1990-01-24 | 辽河石油勘探局油田建设工程一公司 | Pyrocondensated flat compound of radiation-crosslinked polythene |
| CN1257090A (en) * | 1999-12-24 | 2000-06-21 | 中国科学院上海原子核研究所 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
| CN1410496A (en) * | 2001-10-10 | 2003-04-16 | 华新丽华股份有限公司 | Environmental protection cable wire coating composition |
-
2009
- 2009-10-28 CN CN2009101850587A patent/CN101698720B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039039A (en) * | 1988-11-17 | 1990-01-24 | 辽河石油勘探局油田建设工程一公司 | Pyrocondensated flat compound of radiation-crosslinked polythene |
| CN1257090A (en) * | 1999-12-24 | 2000-06-21 | 中国科学院上海原子核研究所 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
| CN1410496A (en) * | 2001-10-10 | 2003-04-16 | 华新丽华股份有限公司 | Environmental protection cable wire coating composition |
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| CN101698720A (en) | 2010-04-28 |
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