CN101942141A - Low-smoke halogen-free flame retardant cable material and preparation method thereof - Google Patents
Low-smoke halogen-free flame retardant cable material and preparation method thereof Download PDFInfo
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- CN101942141A CN101942141A CN2009100410109A CN200910041010A CN101942141A CN 101942141 A CN101942141 A CN 101942141A CN 2009100410109 A CN2009100410109 A CN 2009100410109A CN 200910041010 A CN200910041010 A CN 200910041010A CN 101942141 A CN101942141 A CN 101942141A
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Abstract
The invention discloses a low-smoke halogen-free flame retardant cable material and a preparation method thereof. The cable material mainly comprises the following components in parts by weight: 10-12 parts of polyethylene, 10-30 parts of EVA, 20-50 parts of aluminium hydroxide, 1-5 parts of red phosphorus, 2-6 parts of compatilizer, 0.1-1 part of cross-linking agent, 0.5-5 parts of silicone oil and 0.5-5 parts of processing assistant. The low-smoke halogen-free flame retardant cable material is prepared by carrying out dynamic vulcanization reaction in an internal mixer, and then mixing, extruding and pelleting in a double-screw machine.
Description
Technical field
The present invention relates to a kind of wire cable material and preparation method thereof, specifically be meant a kind of be used to the make softish of household electrical appliance supply lead, fireproofing cable material without halide of environmental protection and preparation method thereof.
Background technology
Household electrical appliance mainly are to use PVC supply lead or CPE/ ethylene-propylene rubber(EPR) supply lead in the market, the supply lead major part of these types is power cables, wall thickness, glue is hard, can not satisfy the thin requirement of household electrical appliance supply lead high flame retardant, high-flexibility, wall, as supply lead deflect performance requriements crooked 30,000 times not bad, and smooth difficult scuffing etc. is wanted on the surface, and these supply leads all contain halogen, can produce harm to human body, discontented toe ring guaranteed request.
At the problems referred to above, it is flame-retardant modified that existing Halogen CABLE MATERIALS generally adopts SEBS or PPO to come, but because the prices of raw and semifnished materials such as SEBS and PPO than higher, cause adopting the modification cost of this mode also higher, the soft durometer regulation range is wideless.Therefore, need the electric cable material with low smoke and halogen free of a kind of softish of exploitation, environmental protection to satisfy the needs in market.
In addition, generally on the existing technology adopt two rank screw rods or single twin screw to process repeatedly to promote plasticizing to guarantee cable outward appearance and material property, it is bigger not only to produce waste, also influences yield and quality, and production process easy to clean not.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention uses PE instead and the EVA system is carried out the cross-linked graft modification, and that purpose is to provide is a kind of softish, environmental protection, high flame retardant, wall is thin, fireproofing cable material without halide that cost is low, that reach corresponding international standard.
For realizing above purpose, technical scheme of the present invention is:
A kind of fireproofing cable material without halide, the main composition and the content of described CABLE MATERIALS are: (following each component concentration is in parts by weight)
Polyethylene 10-20 part
EVA 10-30 part
Aluminium hydroxide 20-50 part
Red phosphorus 1-5 part
Compatilizer 2-6 part
Linking agent 0.1-1 part
Silicone oil 0.5-5 part
Processing aid 0.5-5 part
Wherein:
(4) described compatilizer adopts the compatilizer of maleic anhydride graft;
(5) described linking agent adopts a kind of in two kinds of dicumyl peroxide and the tert-butylperoxy isopropyl carbonates.
(6) described processing aid is selected paraffin, stearic acid, Zinic stearas, in the calcium stearate, five kinds in oxidation inhibitor 1～2 kind.
Also can do further perfect by the following technical programs:
Described polyethylene adopts new LDPE (film grade), and the melting index scope is: 1.0-15g/10min;
It is the EVA of 10-40% that described EVA adopts VA content;
Described aluminium hydroxide adopts the aluminium hydroxide of the above fineness of 10000 orders;
Described red phosphorus adopts a kind of in two kinds of surface cladding type red phosphorus and the 50% above red phosphorus master batches;
Described silicone oil is under 25 ℃ of conditions, and kinematic viscosity is the 100-300MM2/S methyl-silicone oil;
The preparation method of fireproofing cable material without halide of the present invention is:
Send in the Banbury mixer after material in the described composition of raw materials prepared according to separately weight fraction, polyethylene and EVA carry out the dynamic vulcanization reaction in Banbury mixer under the effect of linking agent and compatilizer, mix extruding pelletization then in dual-screw-stem machine.Wherein, the twin screw diameter is 150MM, and prilling temperature is 130-150 ℃, and extruded velocity is 20-30 rev/min.
Adopt the main physical properties of supply lead of fireproofing cable material without halide of the present invention as follows: (thermal ageing condition: 80 ℃ * 168 hours)
Hardness SHORE A 80A-95A
Physical strength＞7.5MPa
Elongation＞150%
Change rate of strength ± 20%
Elongation change rate ± 20%
Flame retardant properties V-0
Insulation resistance＞0.01M Europe .KM
Autoclave test＜50%
Deflect test and do not split conducting 30000 times
Embodiment
Below in conjunction with embodiment the present invention is further described in detail, but is not limited to this.In following examples, raw materials usedly be commercially available industrial goods.
Embodiment 1～4:
Embodiment 1～4 is according to the preparation of weight part shown in each component in the table 1.
Table 1
| Project | Implement 1 | Implement 2 | Implement 3 | Implement 4 |
| Polyethylene | / | 5 | 7.5 | 5 |
| EVA | 25 | 20 | 15 | 17 |
| Aluminium hydroxide | 30 | 25 | 30 | 25 |
| Red phosphorus | 1 | 1.5 | 2 | 1 |
| The EVA compatilizer | 2 | / | 4 | / |
| The polyethylene compatilizer | / | 4 | / | 3.5 |
| DCP | 0.03 | 0.02 | 0.025 | 0.03 |
| Silicone oil | 1.0 | 1.5 | 1.5 | 1.0 |
| Oxidation inhibitor | 0.1 | 0.2 | 0.2 | 0.2 |
| Calcium stearate | / | 1.5 | 1.8 | / |
| Zinic stearas | 1.5 | / | / | / |
| Paraffin | / | / | / | 1.0 |
The preparation method:
According to the parts by weight in the formula table material is joined and in mill, to open refining in the Banbury mixer after banburying 10-15 minute again, extruding pelletization in twin screw extruder then: wherein, the Banbury mixer model is X (S) MF-55, the twin screw diameter is 150MM, prilling temperature is 130-150 ℃, and extruded velocity is 20-30 rev/min.
The supply lead performance that adopts CABLE MATERIALS of the present invention to obtain as shown in table 2 (extrude the single screw extrusion machine that the cable machine is diameter 70-90MM, extrusion temperature is 150-170 ℃, speed be 30-60 rice/minute).
Table 2
| Project | Detection method | Implement 1 | Implement 2 | Implement 3 | Implement 4 |
| Hardness SHORE A | ASTM?D2240 | 83 | 88 | 92 | 90 |
| Physical strength (N/MM 2) | EN60811 | 7.5 | 8.2 | 9.8 | 9.0 |
| Elongation | EN60811 | 450％ | 170％ | 380％ | 320％ |
| Change rate of strength | HD21.14 | -8％ | -16％ | -2％ | -6％ |
| The elongation change rate | HD21.14 | -20％ | -19％ | 5％ | -12％ |
| Flame retardant properties | UL94 | V-1 | V-0 | V-0 | V-1 |
| Insulation resistance | HD21.2 | 0.258M Europe .KM | 1.25M Europe .KM | 1.57M Europe .KM | 1.01M Europe .KM |
| Autoclave test | EN60811 | 50％ | 44％ | 30％ | 47％ |
| Deflect test | HD21.2 | By | By | By | By |
Annotate: the thermal ageing condition:: 80 ℃ * 168 hours.
As can be seen from Table 2, the electric wire of making meets the performance of HD.21.14 fully, in addition, can reach as the needed flexibility of supply lead.
In addition, the present invention is by adopting Banbury mixer and carry out that preplasticizing solves the existing existing energy wastage of complete processing and to the problem that influences of yield and quality.
Above-mentioned making method and prescription just illustrate technical thought of the present invention and characteristics; its objective is and allow the personage that is familiar with this technology understand content of the present invention and implement; the equivalence done of with good grounds spirit of the present invention change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. fireproofing cable material without halide, the main composition and the content of described CABLE MATERIALS are: (following each component concentration is in parts by weight)
Polyethylene 10-20 part
EVA 10-30 part
Aluminium hydroxide 20-50 part
Red phosphorus 1-5 part
Compatilizer 2-6 part
Linking agent 0.1-1 part
Silicone oil 0.5-5 part
Processing aid 0.5-5 part
Wherein:
(1) described compatilizer adopts the compatilizer of maleic anhydride graft;
(2) described linking agent adopts a kind of in two kinds of dicumyl peroxide and the tert-butylperoxy isopropyl carbonates.
(3) described processing aid is selected paraffin, stearic acid, Zinic stearas, in the calcium stearate, five kinds in oxidation inhibitor 1～2 kind.
2. fireproofing cable material without halide according to claim 1 is characterized in that described polyethylene adopts new LDPE (film grade), and the melting index scope is: 1.0-15g/10min;
3. fireproofing cable material without halide according to claim 1 is characterized in that it is the EVA of 10-40% that described EVA adopts VA content;
4. fireproofing cable material without halide according to claim 1 is characterized in that described aluminium hydroxide adopts the aluminium hydroxide of 10000 above fineness;
5. fireproofing cable material without halide according to claim 1 is characterized in that described red phosphorus adopts a kind of in two kinds of surface cladding type red phosphorus and the 50% above red phosphorus master batches;
6. fireproofing cable material without halide according to claim 1 is characterized in that described silicone oil under 25 ℃ of conditions, and kinematic viscosity is the 100-300MM2/S methyl-silicone oil;
7. the preparation method of fireproofing cable material without halide according to claim 1, it is characterized in that according to right 1～6 described fireproofing cable material without halide, send in the Banbury mixer after material in the described composition of raw materials prepared according to separately weight fraction, polyethylene and EVA are under the effect of linking agent and compatilizer, in Banbury mixer, carry out the dynamic vulcanization reaction, in dual-screw-stem machine, mix extruding pelletization then.Wherein, the twin screw diameter is 150MM, and prilling temperature is 130-150 ℃, and extruded velocity is 20-30 rev/min.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336953A (en) * | 2011-08-16 | 2012-02-01 | 河北中联塑胶科技发展有限公司 | Environmentally-friendly low-smoke halogen-free flame-retardant photovoltaic cable insulation and sheath and preparation method thereof |
| CN102352066A (en) * | 2011-09-15 | 2012-02-15 | 华侨大学 | Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof |
| CN102382358A (en) * | 2011-11-15 | 2012-03-21 | 中天科技装备电缆有限公司 | Halogen-free flame-retardant cable sheath material for railway locomotive and manufacturing method for halogen-free flame-retardant cable sheath material |
| CN102391567A (en) * | 2011-09-22 | 2012-03-28 | 安徽塞帕斯电缆材料有限公司 | Environmentally-friendly polyethylene cable material and preparation method thereof |
| CN102417651A (en) * | 2011-08-16 | 2012-04-18 | 河北中联塑胶科技发展有限公司 | Irradiation cross-linking slurry-resistant sheathing compound |
| CN102898704A (en) * | 2011-07-27 | 2013-01-30 | 上海凯波特种电缆料厂有限公司 | Thermoplastic halogen-free low-smoke flame retardant polyolefin material applicable to high compression ratio screw extruder extrusion and its preparation |
| CN103351507A (en) * | 2013-06-19 | 2013-10-16 | 安徽天星光纤通信设备有限公司 | Halogen-free flame retardant polyethylene cable material and preparation method thereof |
| CN103788467A (en) * | 2014-01-21 | 2014-05-14 | 安徽华海特种电缆集团有限公司 | Ageing-resistant mining cable sheath material |
| CN104183306A (en) * | 2014-09-03 | 2014-12-03 | 太仓苏晟电气技术科技有限公司 | Low-smoke zero-halogen and highly-flame-retardant electric wire and preparation method thereof |
| CN104693576A (en) * | 2013-12-05 | 2015-06-10 | 周志坚 | Flame-resistant XLPE cable material and production flow thereof |
| CN104877228A (en) * | 2015-05-29 | 2015-09-02 | 合肥得润电子器件有限公司 | Anti-pollution and self-cleaning halogen-free flame retardant insulating material for household appliance and preparation method of anti-pollution and self-cleaning halogen-free flame retardant insulating material |
| CN104893086A (en) * | 2015-05-29 | 2015-09-09 | 合肥得润电子器件有限公司 | High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof |
| CN104893087A (en) * | 2015-05-29 | 2015-09-09 | 合肥得润电子器件有限公司 | Halogen-free flame-retardant insulating material for durable household appliances and preparation method thereof |
| CN105885183A (en) * | 2014-08-27 | 2016-08-24 | 周志坚 | Halogen-free flame retardant polyolefin fiber material and production technology thereof |
| CN108059762A (en) * | 2017-12-12 | 2018-05-22 | 常州市瑞泰物资有限公司 | A kind of preparation method of fire-resistant cable material |
| CN109206711A (en) * | 2018-08-27 | 2019-01-15 | 芜湖市元奎新材料科技有限公司 | A kind of high voltage direct current cable cross-linkable polyethylene insulation material and preparation method thereof |
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2009
- 2009-07-10 CN CN2009100410109A patent/CN101942141A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898704A (en) * | 2011-07-27 | 2013-01-30 | 上海凯波特种电缆料厂有限公司 | Thermoplastic halogen-free low-smoke flame retardant polyolefin material applicable to high compression ratio screw extruder extrusion and its preparation |
| CN102898704B (en) * | 2011-07-27 | 2014-05-07 | 上海凯波特种电缆料厂有限公司 | Thermoplastic halogen-free low-smoke flame retardant polyolefin material applicable to high compression ratio screw extruder extrusion and its preparation |
| CN102417651A (en) * | 2011-08-16 | 2012-04-18 | 河北中联塑胶科技发展有限公司 | Irradiation cross-linking slurry-resistant sheathing compound |
| CN102336953A (en) * | 2011-08-16 | 2012-02-01 | 河北中联塑胶科技发展有限公司 | Environmentally-friendly low-smoke halogen-free flame-retardant photovoltaic cable insulation and sheath and preparation method thereof |
| CN102352066A (en) * | 2011-09-15 | 2012-02-15 | 华侨大学 | Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof |
| CN102391567A (en) * | 2011-09-22 | 2012-03-28 | 安徽塞帕斯电缆材料有限公司 | Environmentally-friendly polyethylene cable material and preparation method thereof |
| CN102382358A (en) * | 2011-11-15 | 2012-03-21 | 中天科技装备电缆有限公司 | Halogen-free flame-retardant cable sheath material for railway locomotive and manufacturing method for halogen-free flame-retardant cable sheath material |
| CN103351507A (en) * | 2013-06-19 | 2013-10-16 | 安徽天星光纤通信设备有限公司 | Halogen-free flame retardant polyethylene cable material and preparation method thereof |
| CN104693576A (en) * | 2013-12-05 | 2015-06-10 | 周志坚 | Flame-resistant XLPE cable material and production flow thereof |
| CN103788467A (en) * | 2014-01-21 | 2014-05-14 | 安徽华海特种电缆集团有限公司 | Ageing-resistant mining cable sheath material |
| CN105885183A (en) * | 2014-08-27 | 2016-08-24 | 周志坚 | Halogen-free flame retardant polyolefin fiber material and production technology thereof |
| CN104183306A (en) * | 2014-09-03 | 2014-12-03 | 太仓苏晟电气技术科技有限公司 | Low-smoke zero-halogen and highly-flame-retardant electric wire and preparation method thereof |
| CN104877228A (en) * | 2015-05-29 | 2015-09-02 | 合肥得润电子器件有限公司 | Anti-pollution and self-cleaning halogen-free flame retardant insulating material for household appliance and preparation method of anti-pollution and self-cleaning halogen-free flame retardant insulating material |
| CN104893086A (en) * | 2015-05-29 | 2015-09-09 | 合肥得润电子器件有限公司 | High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof |
| CN104893087A (en) * | 2015-05-29 | 2015-09-09 | 合肥得润电子器件有限公司 | Halogen-free flame-retardant insulating material for durable household appliances and preparation method thereof |
| CN108059762A (en) * | 2017-12-12 | 2018-05-22 | 常州市瑞泰物资有限公司 | A kind of preparation method of fire-resistant cable material |
| CN109206711A (en) * | 2018-08-27 | 2019-01-15 | 芜湖市元奎新材料科技有限公司 | A kind of high voltage direct current cable cross-linkable polyethylene insulation material and preparation method thereof |
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Application publication date: 20110112 |