CN101701088B - Single-wall heat-shrinkable tube and preparation method thereof - Google Patents
Single-wall heat-shrinkable tube and preparation method thereof Download PDFInfo
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- CN101701088B CN101701088B CN200910185045XA CN200910185045A CN101701088B CN 101701088 B CN101701088 B CN 101701088B CN 200910185045X A CN200910185045X A CN 200910185045XA CN 200910185045 A CN200910185045 A CN 200910185045A CN 101701088 B CN101701088 B CN 101701088B
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- Prior art keywords
- shrinkable tube
- polyolefine
- parts
- heat
- hybrid resin
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- Expired - Fee Related
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- 238000002360 preparation method Methods 0.000 title abstract description 17
- 229920000098 polyolefin Polymers 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 32
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 239000012752 auxiliary agent Substances 0.000 claims description 22
- 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
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 12
- 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
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003446 memory effect Effects 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Abstract
The invention relates to a heat-shrinkable tube, in particular to a single-wall heat-shrinkable tube and a preparation method thereof. The single-wall heat-shrinkable tube is made from wall materials which comprise 80 parts by weight of polyolefin mixed resin and 20 parts by weight of addition agents. The preparation method comprises the following steps of: preparing the wall materials of the single-wall heat-shrinkable tube; extruding; irradiating; and expanding for forming. Compared with the traditional heat-shrinkable tube, the invention has the technical advantages of keeping the characteristics, i.e. good electrical property, chemical property, and the like of a common heat-shrinkable tube at an outer layer and having all the service properties of the common heat-shrinkable tube and waterproof property, sealing property, dampproof property, anticorrosion property, 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 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 single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is by 80 parts of polyolefine hybrid resins, and auxiliary agent is 20 parts of compositions;
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 1～30%EVA630,1～20%EVA421,20～50%EVA283 and four kinds of polyolefine material melt blendings of 10～30%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 single-wall heat-shrinkable tube:
A, the preparation of described single-wall heat-shrinkable tube wall material:
The polyolefine hybrid resin of polyolefine hybrid resin for making according to mass percent: 1～30%EVA630,1～20%EVA421,20～50%EVA283 and four kinds of polyolefine material melt blendings of 10～30%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 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 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 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 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 single-walled pipe 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 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 single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is by 80 parts of polyolefine hybrid resins, and auxiliary agent is 20 parts of compositions;
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 1～30%EVA630,1～20%EVA421,20～50%EVA283 and four kinds of polyolefine material melt blendings of 10～30%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 single-wall heat-shrinkable tube:
A, the preparation of described single-wall heat-shrinkable tube wall material:
The polyolefine hybrid resin of polyolefine hybrid resin for making according to mass percent: 1～30%EVA630,1～20%EVA421,20～50%EVA283 and four kinds of polyolefine material melt blendings of 10～30%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 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 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 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 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 single-walled pipe 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 single-wall heat-shrinkable tube finished product then.
Embodiment 2
A kind of 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 20 parts 80 parts of polyolefine hybrid resins and auxiliary agent;
Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 15%EVA630,20%EVA421,45%EVA283 and four kinds of polyolefine material melt blendings of 20%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 single-wall heat-shrinkable tube,
The preparation of A, wall material:
Described wall material is by 80 parts of polyolefine hybrid resins, and auxiliary agent is 20 parts of compositions; Described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 15%EVA630,20%EVA421,45%EVA283 and four kinds of polyolefine material melt blendings of 20%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 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 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 single-walled pipe 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 single-wall heat-shrinkable tube finished product then.
Embodiment 3
A kind of 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 20 parts 80 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 single-wall heat-shrinkable tube,
The preparation of A, wall material:
Described wall material is by 80 parts of polyolefine hybrid resins, and auxiliary agent is 20 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 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 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 single-walled pipe 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 single-wall heat-shrinkable tube finished product then.
Claims (2)
1. 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 20 parts 80 parts of polyolefine hybrid resins and auxiliary agent; Described polyolefine hybrid resin is the polyolefine hybrid resin that 1～30%EVA630,1～20%EVA421,20～50%EVA283 and four kinds of polyolefine material melt blendings of 10～30%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; 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).
2. single wall heat-shrink tube according to claim 1 is characterized in that: described polyolefine hybrid resin is the polyolefine hybrid resin that makes of 15%EVA630,20%EVA421,45%EVA283 and four kinds of polyolefine material melt blendings of 20%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 |
|---|---|---|---|
| CN200910185045XA CN101701088B (en) | 2009-10-28 | 2009-10-28 | Single-wall heat-shrinkable tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910185045XA CN101701088B (en) | 2009-10-28 | 2009-10-28 | Single-wall heat-shrinkable tube and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101701088A CN101701088A (en) | 2010-05-05 |
| CN101701088B true CN101701088B (en) | 2011-08-31 |
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|---|---|---|---|
| CN200910185045XA Expired - Fee Related CN101701088B (en) | 2009-10-28 | 2009-10-28 | Single-wall heat-shrinkable tube and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN101701088B (en) |
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Effective date of registration: 20201015 Address after: Wujiang District of Suzhou city in Jiangsu province 215200 Li Zhen Bei she Community Road No. 1288. Patentee after: Jiangsu Dasheng Thermal Shrinkage Protection Products Co.,Ltd. Address before: 215214 Wujiang City, Jiangsu province FenHu Beishe Community Road No. 1288. Patentee before: JIANGSU DASHENG PYROCONDENSATION MATERIAL Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 |