CN102352066A - Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof - Google Patents
Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof Download PDFInfo
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- CN102352066A CN102352066A CN2011102733094A CN201110273309A CN102352066A CN 102352066 A CN102352066 A CN 102352066A CN 2011102733094 A CN2011102733094 A CN 2011102733094A CN 201110273309 A CN201110273309 A CN 201110273309A CN 102352066 A CN102352066 A CN 102352066A
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Abstract
The invention discloses a low-smoke halogen-free environment-friendly flame-retardant material, which is mainly prepared from the following raw materials in part by weight: 10 to 50 parts of linear low density polyethylene (LLDPE), 50 to 90 parts of ethylene vinyl acetate (EVA), 40 to 80 parts of inorganic flame retardant, 20 to 40 parts of phosphorus/nitrogen flame retardant, 1.5 to 2.5 parts of processing aid and 0.1 to 0.5 part of cross-linking agent. A preparation method comprises the following steps of: preparing 10 to 50 weight parts of LLDPE, 40 to 80 weight parts of inorganic flame retardant and 20 to 40 weight parts of phosphorus/nitrogen flame retardant; putting the LLDPE, the inorganic flame retardant and the phosphorus/nitrogen flame retardant, uniformly mixing, keeping the temperature of about 120 DEG C, and reducing the temperature to 10 DEG C; adding 50 to 90 weight parts of EVA, 1.5 to 2.5 weight parts of processing aid and 0.1 to 0.5 weight part of cross-linking agent; and mixing uniformly. The material has high low-smoke halogen-free environment-friendly flame-retardant property, is easy to process, and is one of the optimal ways for replacing the general polyvinyl chloride (PVC) cable material in China, the preparation process is simple, and preparation cost price is low.
Description
Technical field
The present invention relates to a kind of low smoke and zero halogen environmental protection flame retardant material and preparation method thereof.
Background technology
The foreskin material of domestic majority insulated cable adopts the PVC material at present; Promptly through in vinyl chloride resin composition, adding the insulation sheath that halogen-containing fire retardant is prepared into; Owing to receiving widely, advantages such as its lovely luster, corrosion-resistant, firm and durable use; Yet it can discharge the poison gas and the dense smoke of halogen-containing gas in burning; Not only can cause environmental pollution; And in fire, also can cause the secondary injury, according to statistics, 70% above victim all causes because of suffocating in the fire.
Thus; People begin to pay close attention to the flame retardant cable skin material with low smoke and zero halogen performance; Existing way generally is through in base material, adding halogen-free flame retardants and various additive; Production technique manufacturing through complicacy; And its used equipment price is expensive, has increased the manufacturing cost of cable thus, so existing halogen-free low-smoke flame retardant material is economical and practical inadequately; Flame retardant properties, resistance toheat etc. are good inadequately, are difficult to accomplish substitute general PVC cable material now.
In view of this, the inventor furthers investigate halogen-free low-smoke flame retardant material, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of low smoke and zero halogen environmental protection flame retardant material, its existing preferable low smoke and zero halogen and environmental protection flame retardant performance have the advantage of cheap and handling ease again.
Another object of the present invention is to provide the method for the above-mentioned low smoke and zero halogen environmental protection flame retardant of a kind of easy manufacture material.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of low smoke and zero halogen environmental protection flame retardant material, mainly the feedstock production by following weight part forms:
Above-mentioned inorganic combustion inhibitor comprises white lake and the magnesium hydroxide that weight part equates.
Above-mentioned phosphorus flame retardant is a micro encapsulation red phosphorus, and the nitrogen flame retardant is a melamine cyanurate.
Above-mentioned processing aid is one or more in nano zine oxide and polyethylene wax, paraffin, the silicone oil, and wherein nano zine oxide is the 0.5-1.5 weight part.
Above-mentioned linking agent is a dicumyl peroxide.
A kind of low smoke and zero halogen environmental protection flame retardant preparation methods; Realize through following scheme: prepare the LLDPE of 10-50 weight part, the inorganic combustion inhibitor of 40-80 weight part and the phosphorus system or the nitrogen flame retardant of 20-40 weight part earlier; Drop into above-mentioned LLDPE, inorganic combustion inhibitor, phosphorus system or nitrogen flame retardant mixing together then; Temperature remains on about 120 ℃; Treat mixingly to cool the temperature to 10 ℃ after evenly; Add the EVA of 50-90 weight part, the processing aid and the 0.1-0.5 parts by weight of cross-linking agent of 1.5-2.5 weight part again, mix mutually at last till evenly.
Above-mentioned inorganic combustion inhibitor comprises white lake and the magnesium hydroxide that weight part equates.
Above-mentioned phosphorus flame retardant is a micro encapsulation red phosphorus, and the nitrogen flame retardant is a melamine cyanurate.
Above-mentioned processing aid is one or more in nano zine oxide and polyethylene wax, paraffin, the silicone oil, and wherein nano zine oxide is the 0.5-1.5 weight part.
Above-mentioned linking agent is a dicumyl peroxide.
With the above program, the invention relates to a halogen environmentally friendly flame retardant polyolefin material class, the base material to use LLDPE (linear low density polyethylene) and EVA, the use of inorganic flame retardant and a phosphorus or nitrogen, flame retardants, flame retardant base material used meet European safety standards is, in addition to the amount of added processing aids and cross-linking agent, the production process using the dynamic crosslinking technology, the base material of a partially crosslinked, the strength and flame retardant products are in compliance with existing domestic standards with the common market of PVC cable materials, and environmental protection has better halogen flame retardant properties; and the invention is prepared by the above-mentioned halogen Flame Retardant Materials preparation process is simple, easy processing, preparation costs low prices, which is an alternative to the current domestic generic PVC cable materials of the best ways.
Embodiment
A kind of low smoke and zero halogen environmental protection flame retardant of the present invention material, mainly the feedstock production by following weight part forms:
A kind of low smoke and zero halogen environmental protection flame retardant of the present invention material; Its preparation method is realized through following scheme: prepare the LLDPE of 10-50 weight part, the inorganic combustion inhibitor of 40-80 weight part and the phosphorus system or the nitrogen flame retardant of 20-40 weight part earlier; Drop into above-mentioned LLDPE, inorganic combustion inhibitor, phosphorus system or nitrogen flame retardant mixing together then; Temperature remains on about 120 ℃; Treat mixingly to cool the temperature to 10 ℃ after evenly; Add the EVA of 50-90 weight part, the processing aid and the 0.1-0.5 parts by weight of cross-linking agent of 1.5-2.5 weight part again, treat to mix mutually the back granulation and process product.During use, the toner of low smoke and zero halogen environmental protection flame retardant material of the present invention and required color is stirred, can pour normal use the in the forcing machine feeding cylinder into.
In the preferred embodiment, above-mentioned inorganic combustion inhibitor comprises white lake and magnesium hydroxide, and this two weight part ratio is 1: 1, and inorganic combustion inhibitor can also be the inorganic combustion inhibitor of types such as expanded graphite, polynite.
Above-mentioned phosphorus flame retardant specifically can be micro encapsulation red phosphorus; The nitrogen flame retardant specifically can be melamine cyanurate; Above-mentioned processing aid is one or more in nano zine oxide and polyethylene wax, paraffin, the silicone oil; Wherein nano zine oxide is the 0.5-1.5 weight part; Above-mentioned linking agent can be dicumyl peroxide (DCP), vinyltriethoxysilane, 2; A kind of in 5-dimethyl-2,5 di-t-butyl hexane peroxide.
Embodiment one
A kind of low smoke and zero halogen environmental protection flame retardant of the present invention material; Specifically the feedstock production by following weight part forms: model is 3518, weight part is 50 parts LLDPE; Model is that 6110M, weight part are 50 parts EVA; Weight part is respectively 40 parts magnesium hydroxide and white lake; The phosphorus flame retardant of 20 weight parts; 0.5 the nano zine oxide of weight part, the polyethylene wax of 1 weight part, 0.2 parts by weight of cross-linking agent.
In the preparation; Prepare the raw material of above-mentioned each concrete weight part earlier; With the phosphorus flame retardant of the LLDPE of ready each corresponding 50 weight part, 20 weight parts and be respectively the inorganic combustion inhibitor that 40 parts magnesium hydroxide and white lake forms by weight part and drop into mixing together; Temperature remains on about 120 ℃; Treat mixingly to cool the temperature to 10 ℃ after evenly; The EVA that adds ready 50 weight parts again; 0.5 the nano zine oxide of weight part; The polyethylene wax of 1 weight part and 0.2 parts by weight of cross-linking agent are treated to mix mutually the back granulation and are processed product.During use, the toner of low smoke and zero halogen environmental protection flame retardant material of the present invention and required color is stirred, can pour normal use the in the forcing machine feeding cylinder into.
Embodiment two
A kind of low smoke and zero halogen environmental protection flame retardant of the present invention material; Specifically the feedstock production by following weight part forms: model is 3518, weight part is 30 parts LLDPE; Model is that 6110M, weight part are 70 parts EVA; Weight part is respectively 40 parts magnesium hydroxide and white lake; The nitrogen flame retardant of 20 weight parts; 0.5 the nano zine oxide of weight part, the polyethylene wax of 1 weight part, 0.2 parts by weight of cross-linking agent.
In the preparation; Prepare the raw material of above-mentioned each concrete weight part earlier; With the nitrogen flame retardant of the LLDPE of ready each corresponding 30 weight part, 20 weight parts and be respectively the inorganic combustion inhibitor that 40 parts magnesium hydroxide and white lake forms by weight part and drop into mixing together; Temperature remains on about 120 ℃; Treat mixingly to cool the temperature to 10 ℃ after evenly; The EVA that adds ready 70 weight parts again; 0.5 the nano zine oxide of weight part; The polyethylene wax of 1 weight part and 0.2 parts by weight of cross-linking agent are treated to mix mutually the back granulation and are processed product.During use, the toner of low smoke and zero halogen environmental protection flame retardant material of the present invention and required color is stirred, can pour normal use the in the forcing machine feeding cylinder into.
In summary, the present invention relates to a halogen environmentally friendly flame retardant polyolefin material class, the base material to use LLDPE (linear low density polyethylene) and EVA, the use of inorganic flame retardant and a phosphorus or nitrogen, flame retardants, flame retardant base material used meet European safety standards is, in addition to the amount of added processing aids and cross-linking agent, the production process using the dynamic crosslinking technology, the base material of a partially crosslinked, the strength and flame retardant products are in compliance with existing domestic standards with the common market of PVC cable materials, and environmental protection has better halogen flame retardant properties; and the invention is prepared by the above-mentioned halogen Flame Retardant Materials preparation process is simple, easy processing, preparation costs low prices, which is an alternative to the current domestic generic PVC cable materials of the best ways.
Claims (10)
1. a low smoke and zero halogen environmental protection flame retardant material is characterized in that, mainly the feedstock production by following weight part forms:
。
2. a kind of low smoke and zero halogen environmental protection flame retardant material as claimed in claim 1 is characterized in that, above-mentioned inorganic combustion inhibitor comprises white lake and the magnesium hydroxide that weight part equates.
3. a kind of low smoke and zero halogen environmental protection flame retardant material as claimed in claim 1 is characterized in that above-mentioned phosphorus flame retardant is a micro encapsulation red phosphorus, and the nitrogen flame retardant is a melamine cyanurate.
4. a kind of low smoke and zero halogen environmental protection flame retardant material as claimed in claim 1 is characterized in that, above-mentioned processing aid is one or more in nano zine oxide and polyethylene wax, paraffin, the silicone oil, and wherein nano zine oxide is the 0.5-1.5 weight part.
5. a kind of low smoke and zero halogen environmental protection flame retardant material as claimed in claim 1 is characterized in that above-mentioned linking agent is a dicumyl peroxide.
6. low smoke and zero halogen environmental protection flame retardant preparation methods; It is characterized in that realizing: the LLDPE for preparing the 10-50 weight part earlier through following scheme; The phosphorus system or the nitrogen flame retardant of the inorganic combustion inhibitor of 40-80 weight part and 20-40 weight part; Then with above-mentioned LLDPE; Inorganic combustion inhibitor; Phosphorus system or nitrogen flame retardant drop into mixing together; Temperature remains on about 120 ℃; Treat mixingly to cool the temperature to 10 ℃ after evenly; The EVA that adds the 50-90 weight part again; 1.5-2.5 the processing aid of weight part and 0.1-0.5 parts by weight of cross-linking agent are mixed till evenly at last mutually.
7. a kind of low smoke and zero halogen environmental protection flame retardant preparation methods as claimed in claim 6 is characterized in that, above-mentioned inorganic combustion inhibitor comprises white lake and the magnesium hydroxide that weight part equates.
8. a kind of low smoke and zero halogen environmental protection flame retardant preparation methods as claimed in claim 6 is characterized in that above-mentioned phosphorus flame retardant is a micro encapsulation red phosphorus, and the nitrogen flame retardant is a melamine cyanurate.
9. a kind of low smoke and zero halogen environmental protection flame retardant preparation methods as claimed in claim 6 is characterized in that, above-mentioned processing aid is one or more in nano zine oxide and polyethylene wax, paraffin, the silicone oil, and wherein nano zine oxide is the 0.5-1.5 weight part.
10. a kind of low smoke and zero halogen environmental protection flame retardant preparation methods as claimed in claim 6 is characterized in that above-mentioned linking agent is a dicumyl peroxide.
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| CN2011102733094A CN102352066A (en) | 2011-09-15 | 2011-09-15 | Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof |
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| CN2011102733094A CN102352066A (en) | 2011-09-15 | 2011-09-15 | Low-smoke halogen-free environment-friendly flame-retardant material and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724782A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Halogen-free inflaming retarding polyethylene cable material with excellent comprehensiveness and preparation method thereof |
| CN103756085A (en) * | 2013-12-10 | 2014-04-30 | 芜湖佳诚电子科技有限公司 | Halogen-free flame-retardant mothproof cable for rail transit and preparation method thereof |
| CN103772791A (en) * | 2014-01-21 | 2014-05-07 | 安徽容源材料有限公司 | Halogen-free cable sheath material and preparation method thereof |
| CN103788513A (en) * | 2014-01-18 | 2014-05-14 | 安徽华茜电缆科技有限公司 | Ageing resistant cable sheath material and preparation method thereof |
| CN104059321A (en) * | 2013-03-19 | 2014-09-24 | 中纺投资发展股份有限公司 | Weather-proof environment-friendly flame-retardant polymer material for flexible cable and preparation method thereof |
| CN104086849A (en) * | 2014-06-24 | 2014-10-08 | 淮北市天相电缆有限责任公司 | Low-smoke, halogen-free and flame-retardant cable material used for coal mine, and preparation method thereof |
| CN104292608A (en) * | 2014-10-30 | 2015-01-21 | 安徽电信器材贸易工业有限责任公司 | Indoor halogen-free and flame-retardant communication optical cable sheathing compound and preparation method thereof |
| CN105949597A (en) * | 2016-06-23 | 2016-09-21 | 芜湖顺成电子有限公司 | Low-smoke halogen-free flame-retardant composite wire material |
| CN106987046A (en) * | 2017-05-26 | 2017-07-28 | 东台市荣达塑业有限公司 | A kind of high flame retardant, the cable of corrosion resistance are formulated with PVC |
| CN111961280A (en) * | 2020-08-28 | 2020-11-20 | 晨虹（天津）科技股份有限公司 | Novel flame-retardant polyethylene-vinyl acetate alloy foaming method |
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| CN101560314A (en) * | 2009-06-09 | 2009-10-21 | 中科英华湖州工程技术研究中心有限公司 | Halogen-free phosphorus-free inflaming retarding polyolefine material prepared by radiation grafting technology, preparation method and the application thereof |
| CN101942141A (en) * | 2009-07-10 | 2011-01-12 | 广东华声电器实业有限公司 | Low-smoke halogen-free flame retardant cable material and preparation method thereof |
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2011
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Patent Citations (2)
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| CN101560314A (en) * | 2009-06-09 | 2009-10-21 | 中科英华湖州工程技术研究中心有限公司 | Halogen-free phosphorus-free inflaming retarding polyolefine material prepared by radiation grafting technology, preparation method and the application thereof |
| CN101942141A (en) * | 2009-07-10 | 2011-01-12 | 广东华声电器实业有限公司 | Low-smoke halogen-free flame retardant cable material and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059321A (en) * | 2013-03-19 | 2014-09-24 | 中纺投资发展股份有限公司 | Weather-proof environment-friendly flame-retardant polymer material for flexible cable and preparation method thereof |
| CN103724782A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Halogen-free inflaming retarding polyethylene cable material with excellent comprehensiveness and preparation method thereof |
| CN103756085A (en) * | 2013-12-10 | 2014-04-30 | 芜湖佳诚电子科技有限公司 | Halogen-free flame-retardant mothproof cable for rail transit and preparation method thereof |
| CN103788513A (en) * | 2014-01-18 | 2014-05-14 | 安徽华茜电缆科技有限公司 | Ageing resistant cable sheath material and preparation method thereof |
| CN103772791A (en) * | 2014-01-21 | 2014-05-07 | 安徽容源材料有限公司 | Halogen-free cable sheath material and preparation method thereof |
| CN104086849A (en) * | 2014-06-24 | 2014-10-08 | 淮北市天相电缆有限责任公司 | Low-smoke, halogen-free and flame-retardant cable material used for coal mine, and preparation method thereof |
| CN104292608A (en) * | 2014-10-30 | 2015-01-21 | 安徽电信器材贸易工业有限责任公司 | Indoor halogen-free and flame-retardant communication optical cable sheathing compound and preparation method thereof |
| CN105949597A (en) * | 2016-06-23 | 2016-09-21 | 芜湖顺成电子有限公司 | Low-smoke halogen-free flame-retardant composite wire material |
| CN106987046A (en) * | 2017-05-26 | 2017-07-28 | 东台市荣达塑业有限公司 | A kind of high flame retardant, the cable of corrosion resistance are formulated with PVC |
| CN111961280A (en) * | 2020-08-28 | 2020-11-20 | 晨虹（天津）科技股份有限公司 | Novel flame-retardant polyethylene-vinyl acetate alloy foaming method |
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Application publication date: 20120215 |