CN101280084A - Flame-retardant heat shrinkable sleeve - Google Patents
Flame-retardant heat shrinkable sleeve Download PDFInfo
- Publication number
- CN101280084A CN101280084A CNA2008100381563A CN200810038156A CN101280084A CN 101280084 A CN101280084 A CN 101280084A CN A2008100381563 A CNA2008100381563 A CN A2008100381563A CN 200810038156 A CN200810038156 A CN 200810038156A CN 101280084 A CN101280084 A CN 101280084A
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- flame
- heat shrinkable
- shrinkable sleeve
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- retardant heat
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
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Abstract
Disclosed is a flame-retardant thermal-shrinking bushing, which is formed by crystal modified polyolefin material irradiated by high-energy gamma-rays through melting and extruding by special equipments; the crystal modified polyolefin material is prepared with the following components based on weight proportion: 100 portions of thermoplastic polyolefin, 15-30 portions of inorganic flame retardants, 30-60 portions of organic flame retardants, 1.5-5 portions of antioxidants, 1.5-8 portions of lubrication and processing aids, 1-8 portions of black color master batches, and 1-4 portions of cross-linking agent. The raw materials granulated and produced based on the formula of the invention have large mechanical strength and heat-resistant oxygen aging; the produced thermal-shrinking bushing can effectively prevent copper corrosion and thermal oxygen aging and enables insulation and wear-resistant protection to automotive wiring harness terminals.
Description
Technical field
The present invention relates to a kind of automobile electric wire with managing particularly a kind of flame-retardant heat shrinkable sleeve.
Background technology
Heat-shrinkage material claims polymer shape memory material again.These material radiation crosslinking have memory effect later on.What is called " memory effect " simply says to be exactly crosslinked polymeric materials, expands under external force during high temperature, and form in the time of maintaining expansion after the cooling continues can reply the preceding form of expansion again after the heating.Heat-shrinkage material is widely used in key areas such as electronics, electric power, industrial and mineral facility, boats and ships, space flight and aviation, automobile.Along with developing rapidly of China's economic, the domestic automobile production also develops rapidly, and automotive wire bundle and pipeline have obtained bigger development with heat-shrink tube.The quality influence of this heat-shrink tube is to the performance and the quality of whole automobile, and the performance of heat-shrink tube and quality mainly show aspects such as its insulativity, stopping property, flame retardant resistance, wear resistance and oil resistant protective value.There is certain problem in the heat-shrink tube of prior art because the material that is adopted is aborning formed, there are certain defective well in its performance and quality, for example automobile electric wire terminal and joint are easily aging, the bad generation short circuit of insulativity causes the generation of some pyrophoricity accidents etc., thereby causes the person and the property damage of some amount.
Summary of the invention
Purpose of the present invention is to overcome the problem that above-mentioned prior art exists, and a kind of flame-retardant heat shrinkable sleeve that adopts type material is provided.
The object of the present invention is achieved like this: a kind of flame-retardant heat shrinkable sleeve, melt extrude moulding by the crystal type modified polyolefine material through high energy gamma rays irradiation by specific installation and form, described crystal type modified polyolefine material is prepared from by appended weight part by following material:
100 parts of TPO,
Inorganic combustion inhibitor 15-30 part,
Organic fire-retardant 30-60 part,
Oxidation inhibitor 1.5-5 part,
Lubricate and processing aid 1.5-8 part,
Black look female 1-8 part,
Crosslinking coagent 1-4 part.
Described TPO is selected from a kind of in polyethylene, the Vinyl Acetate Copolymer.
Described inorganic combustion inhibitor is a magnesium hydroxide.
Described organic fire-retardant is the mixture of TDE and antimonous oxide, TDE 20-40 part wherein, antimonous oxide 10-20 part.
Described oxidation inhibitor is selected from pentaerythritol ester, Tyox B, thio-2 acid octadecyl ester, N, N ,-two (2-naphthyl) Ursol D, 2 mercapto benzimidazole and 2,2,4-trimethylammonium-1, a kind of in the 2-the second light industry bureau quinoline polymer.
Described lubricated and processing aid is selected from a kind of in PE wax and the silicone resin.
Described crosslinking coagent is selected from a kind of in triallyl isocyanurate, trimethylolpropane triacrylate and the trimethylolpropane trimethacrylate.
Adopt the pipe of flame-retardant heat shrinkable sleeve of the present invention as automobile electric wire; can effectively prevent copper corrosion and thermo-oxidative ageing; can carry out effective sealed insulation to automotive wire bundle contact and terminal; prevent that effectively automobile electric wire terminal and joint are corroded under the wet environment, can carry out wear-resisting, oil resistant, fire-resisting protection the wire terminal joint.Simultaneously the formulating of recipe among the present invention meets international environmental protection standard, meets the requirement of the environmental protection automobile that current internationalization advocates.
Embodiment
Embodiment 1
Get 3 kilograms of 100 kilograms of polyethylene, 30 kilograms of magnesium hydroxides, 40 kilograms of TDE, 10 kilograms of antimonous oxides, 2 kilograms of pentaerythritol esters, 3 kilograms in PE wax, black look female, 3 kilograms of granulations that are mixed of triallyl isocyanurate obtain crystal type modified polyolefin pellet, then above-mentioned pellet is melt extruded moulding by specific installation and expansion typing behind high energy gamma rays irradiation, promptly obtain a kind of flame-retardant heat shrinkable sleeve of the present invention.
Embodiment 2
At first get 4 kilograms of 100 kilograms of Vinyl Acetate Copolymer, 20 kilograms of magnesium hydroxides, 30 kilograms of TDE, 15 kilograms of antimonous oxides, 3 kilograms of Tyox Bs, 4 kilograms of silicone resin, black look female, 2 kilograms of granulations that are mixed of trimethylolpropane triacrylate obtain crystal type modified polyolefin pellet.Then above-mentioned pellet is melt extruded moulding by specific installation and expansion typing behind high energy gamma rays irradiation, promptly obtain a kind of flame-retardant heat shrinkable sleeve of the present invention.
Embodiment 3
At first get 2 kilograms of 100 kilograms of ethene, 15 kilograms of magnesium hydroxides, 20 kilograms of TDE, 20 kilograms of antimonous oxides, 4 kilograms of thio-2 acid octadecyl esters, 5 kilograms in PE wax, black look female, 4 kilograms of granulations that are mixed of trimethylolpropane trimethacrylate obtain crystal type modified polyolefin pellet.Then above-mentioned pellet is melt extruded moulding by specific installation and expansion typing behind high energy gamma rays irradiation, promptly obtain a kind of flame-retardant heat shrinkable sleeve of the present invention.
Embodiment 4
At first get 100 kilograms of Vinyl Acetate Copolymer, 25 kilograms of magnesium hydroxides, 20 kilograms of TDE, 15 kilograms of antimonous oxides, N, N, 5 kilograms of-two (2-naphthyl) Ursol D, 6 kilograms of silicone resin, 5 kilograms of black looks female, 1 kilogram of granulation that is mixed of triallyl isocyanurate obtain crystal type modified polyolefin pellet.Then above-mentioned pellet is melt extruded moulding by specific installation and expansion typing behind high energy gamma rays irradiation, promptly obtain a kind of flame-retardant heat shrinkable sleeve of the present invention.
The raw material physical strength of producing according to prescription granulation of the present invention is big, heat oxygen aging resistance; The thermal contraction casing tube of producing can effectively prevent copper corrosion and thermo-oxidative ageing, to the automotive wire bundle terminal insulate, rub resistance protection.
Claims (7)
1, a kind of flame-retardant heat shrinkable sleeve, melt extrude moulding by the crystal type modified polyolefine material through high energy gamma rays irradiation by specific installation and form, it is characterized in that: described crystal type modified polyolefine material is prepared from by appended weight part by following material:
100 parts of TPO,
Inorganic combustion inhibitor 15-30 part,
Organic fire-retardant 30-60 part,
Oxidation inhibitor 1.5-5 part,
Lubricate and processing aid 1.5-8 part,
Black look female 1-8 part,
Crosslinking coagent 1-4 part.
2, flame-retardant heat shrinkable sleeve as claimed in claim 1 is characterized in that: described TPO is selected from a kind of in polyethylene, the Vinyl Acetate Copolymer.
3, flame-retardant heat shrinkable sleeve as claimed in claim 1 is characterized in that: described inorganic combustion inhibitor is a magnesium hydroxide.
4, flame-retardant heat shrinkable sleeve as claimed in claim 1 is characterized in that: described organic fire-retardant is the mixture of TDE and antimonous oxide, TDE 20-40 part wherein, antimonous oxide 10-20 part.
5, flame-retardant heat shrinkable sleeve as claimed in claim 1, it is characterized in that: described oxidation inhibitor is selected from pentaerythritol ester, Tyox B, thio-2 acid octadecyl ester, N, N,-two (2-naphthyl) Ursol D, 2 mercapto benzimidazole and 2,2,4-trimethylammonium-1, a kind of in the 2-the second light industry bureau quinoline polymer.
6, flame-retardant heat shrinkable sleeve as claimed in claim 1 is characterized in that: described lubricated and processing aid is selected from a kind of in PE wax and the silicone resin.
7, flame-retardant heat shrinkable sleeve as claimed in claim 1 is characterized in that: described crosslinking coagent is selected from a kind of in triallyl isocyanurate, trimethylolpropane triacrylate and the trimethylolpropane trimethacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100381563A CN101280084A (en) | 2008-05-28 | 2008-05-28 | Flame-retardant heat shrinkable sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100381563A CN101280084A (en) | 2008-05-28 | 2008-05-28 | Flame-retardant heat shrinkable sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101280084A true CN101280084A (en) | 2008-10-08 |
Family
ID=40012766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100381563A Pending CN101280084A (en) | 2008-05-28 | 2008-05-28 | Flame-retardant heat shrinkable sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101280084A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524857A (en) * | 2013-10-29 | 2014-01-22 | 深圳长园电子材料有限公司 | Halogen-free high-flame-retardance thermal contraction material used for identification tube |
| CN103724793A (en) * | 2014-01-10 | 2014-04-16 | 长园电子（集团）有限公司 | Heat-shrinkable bus-bar protective sleeve and preparation method thereof |
| CN103739930A (en) * | 2014-01-10 | 2014-04-23 | 长园电子（集团）有限公司 | Halogen-free flame-retardant heat-shrinkable busbar casing and preparation method thereof |
| CN104205248A (en) * | 2012-06-21 | 2014-12-10 | 昭和电线电缆系统株式会社 | Heat-resistant flame-retardant insulated wire |
| CN104610594A (en) * | 2015-02-04 | 2015-05-13 | 青岛第派新材有限公司 | Low-temperature thermal-shrinkage shape memory material and preparation method thereof |
| CN106589520A (en) * | 2016-11-03 | 2017-04-26 | 苏州圣鑫莱新材料有限公司 | Anti-aging weather-resistant PE plastic pipe material |
-
2008
- 2008-05-28 CN CNA2008100381563A patent/CN101280084A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104205248A (en) * | 2012-06-21 | 2014-12-10 | 昭和电线电缆系统株式会社 | Heat-resistant flame-retardant insulated wire |
| CN104205248B (en) * | 2012-06-21 | 2017-02-22 | 昭和电线电缆系统株式会社 | Heat-resistant flame-retardant insulated wire |
| CN103524857A (en) * | 2013-10-29 | 2014-01-22 | 深圳长园电子材料有限公司 | Halogen-free high-flame-retardance thermal contraction material used for identification tube |
| CN103724793A (en) * | 2014-01-10 | 2014-04-16 | 长园电子（集团）有限公司 | Heat-shrinkable bus-bar protective sleeve and preparation method thereof |
| CN103739930A (en) * | 2014-01-10 | 2014-04-23 | 长园电子（集团）有限公司 | Halogen-free flame-retardant heat-shrinkable busbar casing and preparation method thereof |
| CN103739930B (en) * | 2014-01-10 | 2016-06-01 | 长园电子（东莞）有限公司 | A kind of halogen-free flameproof pyrocondensation bus-bar casing tube and its preparation method |
| CN104610594A (en) * | 2015-02-04 | 2015-05-13 | 青岛第派新材有限公司 | Low-temperature thermal-shrinkage shape memory material and preparation method thereof |
| CN106589520A (en) * | 2016-11-03 | 2017-04-26 | 苏州圣鑫莱新材料有限公司 | Anti-aging weather-resistant PE plastic pipe material |
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Open date: 20081008 |