CN101759905B - Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof - Google Patents
Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof Download PDFInfo
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- CN101759905B CN101759905B CN2009101850445A CN200910185044A CN101759905B CN 101759905 B CN101759905 B CN 101759905B CN 2009101850445 A CN2009101850445 A CN 2009101850445A CN 200910185044 A CN200910185044 A CN 200910185044A CN 101759905 B CN101759905 B CN 101759905B
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- shrinkable tube
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- wall heat
- polyolefine
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- 230000000979 retarding effect Effects 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 43
- 229920000098 polyolefin Polymers 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000003063 flame retardant Substances 0.000 claims description 40
- 239000012752 auxiliary agent Substances 0.000 claims description 18
- 238000004132 cross linking Methods 0.000 claims description 18
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000003381 stabilizer Substances 0.000 claims description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 239000003112 inhibitor Substances 0.000 claims description 16
- 239000012188 paraffin wax Substances 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000005096 rolling process 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
- 206010070834 Sensitisation Diseases 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
- 230000008313 sensitization Effects 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
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical group BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- -1 pentaerythritol ester Chemical class 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 8
- 239000006084 composite stabilizer Substances 0.000 description 8
- 229940059574 pentaerithrityl Drugs 0.000 description 8
- AQPHBYQUCKHJLT-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-(2,3,4,5,6-pentabromophenyl)benzene Chemical group BrC1=C(Br)C(Br)=C(Br)C(Br)=C1C1=C(Br)C(Br)=C(Br)C(Br)=C1Br AQPHBYQUCKHJLT-UHFFFAOYSA-N 0.000 description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects 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
- 230000007613 environmental effect Effects 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
- 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 heat-shrinkable tube, in particular to a strong inflaming retarding single-wall heat-shrinkable tube and a preparation method thereof. The strong inflaming retarding single-wall heat-shrinkable tube consists of wall material which is composed of the following parts of components: 50 parts of polyolefine mixed resins, 10 parts of graphitized carbon black, 10 parts of assistant flame retarder, 20 parts of accessory ingredients and 30 parts of flame retarder. The preparation method includes the following steps: preparation, squeezing, irradiation and expansion-molding of the inner wall material of the flame retarding single-wall heat-shrinkable tube. Compared with the traditional heat-shrinkable tube, the invention has the technical characteristics that the wall material retards flame, the outer layer of the heat-shrinkable tube not only keeps good electrical property and chemical property of the general heat-shrinkable tube and remains all the service performances of the general heat-shrinkable tube, but also has the waterproof, sealing, dampproof and rotproof performances.
Description
One, technical field:
The present invention relates to a kind of heat-shrinkable tube, be specifically related to a kind of strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof.
Two, background technology
The pyrocondensation product is from being born till now; Tempo 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, like performances such as wearability, shock resistance, insulation strength height; Requiring again simultaneously has good chemical property, like 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 are arranged, have fire-retardant heat-shrink tube, good economic benefit and environmental protection benefit again, be fit to apply on a large scale.
Technical scheme
The present invention has following technical scheme to accomplish: a kind of strong inflaming retarding single-wall heat-shrinkable tube is made up of the wall material; According to mass fraction, its mesospore material is that 20 parts and fire retardant are formed for 30 parts by 50 parts of polyolefine hybrid resins, 10 parts of graphitized carbon blacks, 10 parts of auxiliary flame retardants, auxiliary agent; Described fire retardant is a decabromodiphenyl oxide.
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, inhibitor, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) tetramethylolmethane 1-3 part propionic acid); 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; Auxiliary flame retardant is white lake or Marinco H;
A kind of preparation method of strong inflaming retarding single-wall heat-shrinkable tube:
A, the preparation of described strong inflaming retarding single-wall heat-shrinkable tube wall material:
Polyolefine hybrid resin 50 part, graphitized carbon black 10 part, the auxiliary flame retardant 10 part 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; 20 parts of described auxiliary agents; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) pentaerythritol ester 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H; Described fire retardant is 30 parts of decabromodiphenyl oxides.
Above-mentioned raw material adding Banbury mixer or height are stirred machine, stir the back and add 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 strong inflaming retarding single-wall heat-shrinkable tube then through the tablets press granulation, subsequent use.
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 whole tension bracket of tension adjustable; The present invention adopts irradiation device for electronic accelerator; Irradiation dose is 12Mrad, the twin work in-process of processing is circulated shine and cooling, and the number of times of internal recycle irradiation is 30～60 circles in the exposure cell.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, and adjustment tension force is introduced in the dilator; Add through overbalance; After the twin 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 strong inflaming retarding 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, added fire retardant in the wall material, flame retardant effect is good.
2, 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.
3, 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 strong inflaming retarding single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is that 20 parts and fire retardant are formed for 30 parts by 50 parts of polyolefine hybrid resins, 10 parts of graphitized carbon blacks, 10 parts of auxiliary flame retardants, auxiliary agent; Described fire retardant is a decabromodiphenyl oxide.
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, inhibitor, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) tetramethylolmethane 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H;
A kind of preparation method of strong inflaming retarding single-wall heat-shrinkable tube:
A, the preparation of described strong inflaming retarding single-wall heat-shrinkable tube wall material:
Polyolefine hybrid resin 50 part, graphitized carbon black 10 part, the auxiliary flame retardant 10 part 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; 20 parts of described auxiliary agents; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) pentaerythritol ester 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H; Described fire retardant is 30 parts of decabromodiphenyl oxides.
Above-mentioned raw material adding Banbury mixer or height are stirred machine, stir the back and add 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 strong inflaming retarding single-wall heat-shrinkable tube then through the tablets press granulation, subsequent use.
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 whole tension bracket of tension adjustable; The present invention adopts irradiation device for electronic accelerator; Irradiation dose is 12Mrad, the twin work in-process of processing is circulated shine and cooling, and the number of times of internal recycle irradiation is 30～60 circles in the exposure cell.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, and adjustment tension force is introduced in the dilator; Add through overbalance; After the twin 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 strong inflaming retarding single-wall heat-shrinkable tube finished product then.
Embodiment 2
A kind of strong inflaming retarding single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is that 20 parts and fire retardant are formed for 30 parts by 50 parts of polyolefine hybrid resins, 10 parts of graphitized carbon blacks, 10 parts of auxiliary flame retardants, auxiliary agent; Described fire retardant is a decabromodiphenyl oxide.
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 15%EVA630,20%EVA421,45%EVA283 and four kinds of polyolefine material melt blendings of 20%EVA220 make;
Described auxiliary agent is made up of paraffin, inhibitor, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) tetramethylolmethane 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H;
A kind of preparation method of strong inflaming retarding single-wall heat-shrinkable tube:
A, the preparation of described strong inflaming retarding single-wall heat-shrinkable tube wall material:
Polyolefine hybrid resin 50 part, graphitized carbon black 10 part, the auxiliary flame retardant 10 part of polyolefine hybrid resin for making according to mass percent: 15%EVA630,20%EVA421,45%EVA283 and four kinds of polyolefine material melt blendings of 20%EVA220; 20 parts of described auxiliary agents; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) pentaerythritol ester 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H; Described fire retardant is 30 parts of decabromodiphenyl oxides.
Above-mentioned raw material adding Banbury mixer or height are stirred machine, stir the back and add 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 strong inflaming retarding single-wall heat-shrinkable tube then through the tablets press granulation, subsequent use.
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 whole tension bracket of tension adjustable; The present invention adopts irradiation device for electronic accelerator; Irradiation dose is 12Mrad, the twin work in-process of processing is circulated shine and cooling, and the number of times of internal recycle irradiation is 30～60 circles in the exposure cell.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, and adjustment tension force is introduced in the dilator; Add through overbalance; After the twin 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 strong inflaming retarding single-wall heat-shrinkable tube finished product then
Embodiment 3
A kind of strong inflaming retarding single-wall heat-shrinkable tube is made up of the wall material, and according to mass fraction, its mesospore material is that 20 parts and fire retardant are formed for 30 parts by 50 parts of polyolefine hybrid resins, 10 parts of graphitized carbon blacks, 10 parts of auxiliary flame retardants, auxiliary agent; Described fire retardant is a decabromodiphenyl oxide.
By mass percentage: described polyolefine hybrid resin is the polyolefine hybrid resin that 30%EVA630,20%EVA421,40%EVA283 and four kinds of polyolefine material melt blendings of 10%EVA220 make;
Described auxiliary agent is made up of paraffin, inhibitor, anti copper agent, processing stabilizers and sensitization crosslinking coagent; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) tetramethylolmethane 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H;
A kind of preparation method of strong inflaming retarding single-wall heat-shrinkable tube:
A, the preparation of described strong inflaming retarding single-wall heat-shrinkable tube wall material:
Polyolefine hybrid resin 50 part, graphitized carbon black 10 part, the auxiliary flame retardant 10 part of polyolefine hybrid resin for making according to mass percent: 30%EVA630,20%EVA421,40%EVA283 and four kinds of polyolefine material melt blendings of 10%EVA220; 20 parts of described auxiliary agents; Inhibitor four (β-(3 wherein; The 5-di-tert-butyl-hydroxy phenyl) pentaerythritol ester 1-3 part propionic acid); 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 is changed crosslinking coagent TMP (TriMethylolPropane(TMP)) 1-2 part, and surplus is a paraffin; Auxiliary flame retardant is white lake or Marinco H; Described fire retardant is 30 parts of decabromodiphenyl oxides.
Above-mentioned raw material adding Banbury mixer or height are stirred machine, stir the back and add 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 strong inflaming retarding single-wall heat-shrinkable tube then through the tablets press granulation, subsequent use.
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 whole tension bracket of tension adjustable; The present invention adopts irradiation device for electronic accelerator; Irradiation dose is 12Mrad, the twin work in-process of processing is circulated shine and cooling, and the number of times of internal recycle irradiation is 30～60 circles in the exposure cell.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, and adjustment tension force is introduced in the dilator; Add through overbalance; After the twin 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 strong inflaming retarding single-wall heat-shrinkable tube finished product then.
Claims (4)
1. strong inflaming retarding single-wall heat-shrinkable tube, it is characterized in that: be made up of the wall material, according to mass parts, described wall material is made up of for 30 parts 50 parts of polyolefine hybrid resins, 10 parts of auxiliary flame retardants, 20 parts of auxiliary agents and fire retardant; 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 that inhibitor is 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; Auxiliary flame retardant is white lake or Marinco H; Described fire retardant is a decabromodiphenyl oxide.
2. strong inflaming retarding single-wall heat-shrinkable tube according to claim 1 is characterized in that: described inhibitor 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. strong inflaming retarding single-wall heat-shrinkable tube according to claim 1 and 2 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 inhibitor 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; Auxiliary flame retardant is white lake or Marinco H;
4. the preparation method of a strong inflaming retarding single-wall heat-shrinkable tube is characterized in that:
A. the preparation of wall material:
Described wall material is that 20 parts and fire retardant are formed for 30 parts by 50 parts of polyolefine hybrid resins, 10 parts of auxiliary flame retardants, auxiliary agent; The 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; Auxiliary agent is that inhibitor is 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; Auxiliary flame retardant is white lake or Marinco H; Fire retardant is a decabromodiphenyl oxide;
Above-mentioned raw materials is added Banbury mixer or height stirs machine, stir the back and add 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 strong inflaming retarding single-wall heat-shrinkable tube then through the tablets press granulation, subsequent use;
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 whole tension bracket of tension adjustable; Adopt irradiation device for electronic accelerator; Irradiation dose is 12Mrad, the twin work in-process of processing is circulated shine and cooling, and the number of times of internal recycle irradiation is 30～60 circles in the exposure cell; Passing through the wire coiler rolling on all rotating disks;
D, expansion:
The strong inflaming retarding single-wall heat-shrinkable tube that irradiation is good is placed on the pay off rack, and adjustment tension force is introduced in the dilator; Add through overbalance; After the strong inflaming retarding single-wall heat-shrinkable tube 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 strong inflaming retarding single-wall heat-shrinkable tube finished product then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101850445A CN101759905B (en) | 2009-10-28 | 2009-10-28 | Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101850445A CN101759905B (en) | 2009-10-28 | 2009-10-28 | Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101759905A CN101759905A (en) | 2010-06-30 |
| CN101759905B true CN101759905B (en) | 2012-02-08 |
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|---|---|---|---|
| CN2009101850445A Expired - Fee Related CN101759905B (en) | 2009-10-28 | 2009-10-28 | Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN101759905B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401704A (en) * | 2002-09-24 | 2003-03-12 | 吉林大学 | Method for mfg. low pressure heat-shrinkable material using waste plastics |
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2009
- 2009-10-28 CN CN2009101850445A patent/CN101759905B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401704A (en) * | 2002-09-24 | 2003-03-12 | 吉林大学 | Method for mfg. low pressure heat-shrinkable material using waste plastics |
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| CN101759905A (en) | 2010-06-30 |
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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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