CN103183868A - Halogen-free flame retardant heat shirnkable sleeving and production technology - Google Patents
Halogen-free flame retardant heat shirnkable sleeving and production technology Download PDFInfo
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- CN103183868A CN103183868A CN2011104554883A CN201110455488A CN103183868A CN 103183868 A CN103183868 A CN 103183868A CN 2011104554883 A CN2011104554883 A CN 2011104554883A CN 201110455488 A CN201110455488 A CN 201110455488A CN 103183868 A CN103183868 A CN 103183868A
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- retardant heat
- heat shrinkable
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Abstract
The invention provides a halogen-free flame retardant heat shirnkable sleeving and a production technology, the halogen-free flame retardant heat shirnkable sleeving comprises the following components by weight: an ethylene vinyl acetate copolymer, a maleic anhydride graft polymer, silicone masterbatch, super fine surface treatment activity magnesium hydroxide, zinc borate, surface treatment super fine red phosphorus, an organic nitrogen and phosphorus fire retardant, a lubricant, an antioxygen, a sensitized crosslinking agent and color master. The halogen-free flame retardant heat shirnkable sleeving has halogen-free flame retardant performance, no toxic and harmful gas is released while the halogen-free flame retardant heat shirnkable sleeving is combusted, and the halogen-free flame retardant heat shirnkable sleeving has the advantages of low smoke density, good thermal contraction, machinery performance, electric performance, flame retardant performance, corrosion resisting performance, salt spray resistance and solvent resistance performances.
Description
Technical field
The present invention relates to electric power material technology field, particularly a kind of halogen-free flame retardant heat shrinkable sheathing and production technique thereof.
Background technology
Use needs in order to satisfy under special occasions and the mal-condition, the Halogen thermal contraction casing tube has favorable mechanical, insulation effect, and ageing-resistant, and corrosion resistant is rotten, and intensity is good, and surpass 20 years work-ing life, easy to use, and have very good flame retardant properties.Though halogen-containing thermal contraction casing tube also possesses good flame retardancy,, when fire took place, this class Halogen fire retardant material can produce a large amount of smog and poisonous corrosive hydrogen halides gas, caused secondary harm.
Summary of the invention
The invention provides a kind of halogen-free flame retardant heat shrinkable sheathing and production technique thereof, this halogen-free flame retardant heat shrinkable sheathing is halogen-free flameproof, do not discharge toxic and harmful during burning, smoke density is low, thermal contraction, machinery, electricity, fire-retardant, corrosion-resistant, salt spray resistance, anti-solvent etc. are functional.
To achieve these goals, the invention provides following technical scheme:
A kind of halogen-free flame retardant heat shrinkable sheathing, it comprises according to ratio of weight and number:
Preferably, according to weight percent, the vinyl acetate content of described ethylene vinyl acetate copolymer is 5-15%, melting index 1-10.0g/10min; The percentage of grafting 0.5-2.0% of described maleic anhydride grafted polymer.
Preferably, silicone composition 30%-70% in the described silicone masterbatch.
Preferably, described ultra-fine surface treatment active hydrogen magnesium oxide for use surface treatment agent to magnesium hydroxide activate with ultra-fine processing after product, described surface treatment agent is silane coupling agent, titanate coupling agent or aluminate coupling agent, and filler is more than or equal to 5000 orders.
Preferably, described surface treatment ultra-fine red phosphorus is cladded type red phosphorus, and its red phosphorus content is greater than 90%.
Preferably, described lubricant is Zinic stearas, stearic acid or polyethylene wax.
Preferably, described oxidation inhibitor is composite antioxidant, it comprises: Hinered phenols antioxidant [(2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether or four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester)] with auxiliary antioxidant [(two 12 carbon alcohol esters, two ten four carbon alcohols esters, two octadecanol ester, three monooctyl esters, three the last of the ten Heavenly stems ester, three (12 carbon alcohol) ester or three (16 carbon alcohol) ester] with 1: the mixture that ratio (1-3) is mixed.
Preferably, described sensitization linking agent is TMPTA (Viscoat 295) or TAIC (iso-cyanuric acid triallyl ester).
The present invention also provides a kind of halogen-free flame retardant heat shrinkable sheathing production technique, and it comprises step:
Masterbatch procedure of processing: above-mentioned each component that provides is added the banburying mixing machine according to proportioning carry out mixing at 100-130 degree centigrade, under twin screw extruder 130-160 degree centigrade, carry out then more mixing, extrude, tie rod, water-cooled, air-cooled, pelletizing, obtain Halogen heat shrink sleeve tube material master batch;
Extrusion step: described master batch is extruded into tubing under the 100-160 degree celsius temperature in the screw extrusion press of being furnished with a mouthful mould, plug;
Irradiation steps: extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 3.0Mrad-16.0Mrad;
Expansion step: tubing is under 110-220 degree centigrade behind the irradiation, and after the vacuum expansion device carried out 2 times or 3 times of expansions, cooling, typing namely can obtain halogen-free flame retardant heat shrinkable sheathing.
By implementing above technical scheme, have following technique effect: halogen-free flame retardant heat shrinkable sheathing provided by the invention is halogen-free flameproof, do not discharge toxic and harmful during burning, smoke density is low, meets IEC61249 Halogen instruction: Br, Cl content＜900ppm, Br+Cl＜1500ppm.The thermal contraction of halogen-free flame retardant heat shrinkable sheathing, machinery, electricity, fire-retardant, corrosion-resistant, salt spray resistance, anti-solvent etc. are functional.It is simple and easy that halogen-free flame retardant heat shrinkable sheathing of the present invention meets raw material, and price is low, and cost is low, makes simply, is fit to suitability for industrialized production.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention below in detail.
Embodiment one:
This halogen-free flame retardant heat shrinkable sheathing according to ratio of weight and number, comprising:
Embodiment two:
This halogen-free flame retardant heat shrinkable sheathing according to ratio of weight and number, comprising:
Embodiment three:
This halogen-free flame retardant heat shrinkable sheathing according to ratio of weight and number, comprising:
The present invention also provides a kind of halogen-free flame retardant heat shrinkable sheathing production technique, and it comprises step:
The masterbatch procedure of processing: each component that the various embodiments described above are provided carries out mixing according to proportioning adding banburying mixing machine at 100-130 degree centigrade, under twin screw extruder 130-160 degree centigrade, carry out then more mixing, extrude, tie rod, water-cooled, air-cooled, pelletizing, obtain Halogen heat shrink sleeve tube material master batch;
Extrusion step: described master batch is extruded into tubing under the 100-160 degree celsius temperature in the screw extrusion press of being furnished with a mouthful mould, plug;
Irradiation steps: extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 3.0Mrad-16.0Mrad;
Expansion step: tubing is under 110-220 degree centigrade behind the irradiation, and after the vacuum expansion device carried out 2 times or 3 times of expansions, cooling, typing namely can obtain halogen-free flame retardant heat shrinkable sheathing.
More than a kind of halogen-free flame retardant heat shrinkable sheathing and production technique thereof that the embodiment of the invention is provided be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a halogen-free flame retardant heat shrinkable sheathing is characterized in that, according to ratio of weight and number, comprising:
2. halogen-free flame retardant heat shrinkable sheathing according to claim 1 is characterized in that according to weight percent, the vinyl acetate content of described ethylene vinyl acetate copolymer is 5-15%, melting index 1-10.0g/10min; The percentage of grafting 0.5-2.0% of described maleic anhydride grafted polymer.
3. halogen-free flame retardant heat shrinkable sheathing according to claim 1 is characterized in that silicone composition 30%-70% in the described silicone masterbatch.
4. halogen-free flame retardant heat shrinkable sheathing according to claim 1, it is characterized in that, described ultra-fine surface treatment active hydrogen magnesium oxide for use surface treatment agent to magnesium hydroxide activate with ultra-fine processing after product, described surface treatment agent is silane coupling agent, titanate coupling agent or aluminate coupling agent, and filler is more than or equal to 5000 orders.
5. halogen-free flame retardant heat shrinkable sheathing according to claim 1 is characterized in that described surface treatment ultra-fine red phosphorus is cladded type red phosphorus, and its red phosphorus content is greater than 90%.
6. halogen-free flame retardant heat shrinkable sheathing according to claim 1 is characterized in that described lubricant is Zinic stearas, stearic acid or polyethylene wax.
7. halogen-free flame retardant heat shrinkable sheathing according to claim 1, it is characterized in that, described oxidation inhibitor is composite antioxidant, it comprises: Hinered phenols antioxidant [(2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether or four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester)] with auxiliary antioxidant [(two 12 carbon alcohol esters, two ten four carbon alcohols esters, two octadecanol esters, three monooctyl esters, three the last of the ten Heavenly stems ester, three (12 carbon alcohol) ester or three (16 carbon alcohol) ester] with 1: the mixture that ratio (1-3) is mixed.
8. halogen-free flame retardant heat shrinkable sheathing according to claim 1 is characterized in that described sensitization linking agent is TMPTA or TMPTMA.
9. a halogen-free flame retardant heat shrinkable sheathing production technique is characterized in that, comprises step:
Masterbatch procedure of processing: carry out mixing according to proportioning adding banburying mixing machine at 100-130 degree centigrade each component of claim 1, under twin screw extruder 130-160 degree centigrade, carry out then more mixing, extrude, tie rod, water-cooled, air-cooled, pelletizing, obtain Halogen heat shrink sleeve tube material master batch;
Extrusion step: described master batch is extruded into tubing under the 100-160 degree celsius temperature in the screw extrusion press of being furnished with a mouthful mould, plug;
Irradiation steps: extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 3.0Mrad-16.0Mrad;
Expansion step: tubing is under 110-220 degree centigrade behind the irradiation, and after the vacuum expansion device carried out 2 times or 3 times of expansions, cooling, typing namely can obtain halogen-free flame retardant heat shrinkable sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104554883A CN103183868A (en) | 2011-12-29 | 2011-12-29 | Halogen-free flame retardant heat shirnkable sleeving and production technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104554883A CN103183868A (en) | 2011-12-29 | 2011-12-29 | Halogen-free flame retardant heat shirnkable sleeving and production technology |
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| CN103183868A true CN103183868A (en) | 2013-07-03 |
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| CN2011104554883A Pending CN103183868A (en) | 2011-12-29 | 2011-12-29 | Halogen-free flame retardant heat shirnkable sleeving and production technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725028A (en) * | 2014-01-02 | 2014-04-16 | 湖北运来塑胶科技有限公司 | Environment-friendly flame-retardant plastic masterbatch and preparation method thereof |
| 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 |
| CN103980603A (en) * | 2014-05-07 | 2014-08-13 | 广东华声电器股份有限公司 | EVA/white carbon black component type irradiation crosslinking wire cable material and preparation method thereof |
| CN114561062A (en) * | 2022-02-09 | 2022-05-31 | 长园电子（东莞）有限公司 | Low-dielectric-loss halogen-free flame-retardant heat-shrinkable mother calandria and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276905A (en) * | 2010-06-13 | 2011-12-14 | 深圳市宏商材料科技股份有限公司 | Formulation of radiant cross-linked thermal-shrinked halogen-free fire-retardant identified casing product, and preparation method thereof |
-
2011
- 2011-12-29 CN CN2011104554883A patent/CN103183868A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276905A (en) * | 2010-06-13 | 2011-12-14 | 深圳市宏商材料科技股份有限公司 | Formulation of radiant cross-linked thermal-shrinked halogen-free fire-retardant identified casing product, and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725028A (en) * | 2014-01-02 | 2014-04-16 | 湖北运来塑胶科技有限公司 | Environment-friendly flame-retardant plastic masterbatch and preparation method thereof |
| 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 |
| CN103980603A (en) * | 2014-05-07 | 2014-08-13 | 广东华声电器股份有限公司 | EVA/white carbon black component type irradiation crosslinking wire cable material and preparation method thereof |
| CN114561062A (en) * | 2022-02-09 | 2022-05-31 | 长园电子（东莞）有限公司 | Low-dielectric-loss halogen-free flame-retardant heat-shrinkable mother calandria and preparation method thereof |
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Addressee: Hongshang Heat Shrinkable Materials Co., Ltd. Document name: the First Notification of an Office Action |
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Application publication date: 20130703 |