CN101831100A - Low-smoke halogen-free flame retardant electronic wire material - Google Patents
Low-smoke halogen-free flame retardant electronic wire material Download PDFInfo
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- CN101831100A CN101831100A CN201010160149A CN201010160149A CN101831100A CN 101831100 A CN101831100 A CN 101831100A CN 201010160149 A CN201010160149 A CN 201010160149A CN 201010160149 A CN201010160149 A CN 201010160149A CN 101831100 A CN101831100 A CN 101831100A
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Abstract
The invention relates to a low-smoke halogen-free flame retardant electronic wire material which belongs to the technical field of wire and cable materials. The low-smoke halogen-free flame retardant electronic wire material is characterized by comprising the following raw material components in parts by weight: 40-70 parts of metallocene polyethylene mixture, 30-60 parts of thermoplastic styrene elastomer mixture, 90-130 parts of halogen-free flame retardant, 0.5-3 parts of flame retardant synergist, 0.5-1.5 parts of lubricant and 0.5-1 part of antioxidant, and the components are uniformly mixed. Compared with the traditional material prepared from PVC (Polyvinyl Chloride), the invention has the advantages that a flame retardant system does not contain halogen and heavy metal and has good flame retardant performance, safety and environmental protection; and a wire produced by the material has smooth appearance, moderate hardness, good bending resistance, high tensile strength and tensile breaking elongation larger than 350 percent and can pass through a single vertical combustion test of the wire and the cable, meet the prohibition requirement of the European Union and replace a similar import product.
Description
Technical field
The invention belongs to the electric wire and cable material technical field, relate to a kind of low-smoke halogen-free flame retardant electronic wire material, be used for computer, the distribution of electrical equipment such as mobile phone.
Background technology
At present, the electronics line sheath material of domestic household electrical appliances electron trade widespread use, Insulation Material and electronic plug material are to be prepared from by halogen containing flame-retardant (PVC) more than 90%, PVC has excellent flame-retardant performance, it has other desired performances again simultaneously, for example good mechanical property and easy to process makes it selected for a long time as cable jacket material.But, on January 23rd, 2003, European Union issued the 2002/95/EC ban, stipulated in the ban, from July 1st, 2006, ban use of the product of some objectionable impurities such as halogen containing flame-retardant, heavy metal to enter the European market, this measure will produce the outlet of the many products of China and have a strong impact on.European Union is in its ban of issue, and abroad some companies have begun to promote its product to China's electrical equipment industry industry energetically, attempt to seize China market.Under the requirement of this situation, exploitation LSOH anti-flaming environment-friendly electronics line, the alternative similar imported product of product of the present invention.
Summary of the invention
The purpose of this invention is to provide a kind of low-smoke halogen-free flame retardant electronic wire material, improve the security of electronics line products, satisfy the requirement of product physicals, promote quality product, Halogen is nontoxic, satisfies environmental requirement.Technical scheme of the present invention is as follows:
Feed composition of the present invention is as follows by weight:
Metallocene PE mixture 40～70
Thermoplastic styrene elastomer mixture 30～60
Halogen-free flame retardants 90～130
Retardant synergist 0.5～3
Lubricant 0.5～1.5
Oxidation inhibitor 0.5～1
After above-mentioned raw materials mixed in super mixer, the granulation of in forcing machine, plasticating.
Wherein: described metallocene PE mixture is made up of at the metallocene PE of 2.0～4.0g/10min one or more melt indexs; The thermoplastic styrene elastomer mixture is made up of SBS (styrene-butadiene-styrene block copolymer) and SEBS (SIS/SEBS); Described halogen-free flame retardants is made up of magnesium hydroxide and alkali magnesium sulfate crystal whisker that polymerization coats, and ratio is 3～5: 1; Retardant synergist is made up of silicone flame retardant; Lubricant is made up of stearic acid, Zinic stearas, and ratio is 1: 1; Oxidation inhibitor is formed by 1010 and 168,1024, and ratio is 1: 2: 1.
Processing step of the present invention is as follows:
1) halogen-free flame retardants is carried out coating modification by the high molecular polymer initiator that adds by weight in super mixer.
2) by weight ratio metallocene PE mixture, thermoplastic styrene elastomer mixture, halogen-free flame retardants, retardant synergist, lubricant, oxidation inhibitor were mixed in super mixer 3～5 minutes, send into two rank twin screw extruder groups or the mixed granulation of reciprocating type single screw extrusion machine retable by the homogenizing feed appliance then, temperature is 150～170 ℃, earnestly air-cooled, packing promptly gets the finished product of halogen-free flame-resistant electronic wire material.
Effect of the present invention is to compare with such material that traditional PVC makes with benefit: the not halogen-containing and heavy metal of flame-retardant system, flame retardant properties is good, safety, environmental protection are with the electronics line of its production, smooth in appearance, hardness is moderate, the anti-performance that circumnutates is good, the tensile strength height, and tension fracture elongation rate is greater than 350%, can meet the ban requirement of European Union by the single testing vertical flammability of electric wire; Alternative similar imported product.
Embodiment
Below in conjunction with technical scheme, be described in detail the specific embodiment of the present invention.
Step 1.
Coating modification inorganic combustion inhibitor magnesium hydroxide and alkali formula magnesium salt whisker: 90 parts of magnesium hydroxides, 20 parts of magnesium salt whiskers.
Step 2.
40 parts of SP1520 of metallocene PE mixture: SP0540 (Mitsui) (Mitsui) 30 parts by weight ratio; Thermoplastic styrene elastomer mixture: SBS (YH792) is 30 parts by weight ratio; 2 parts of retardant synergist silicone master batch, 1.5 parts of lubricant stearic acids, 1.5 parts in oxidation inhibitor, be 1: 2: 1 at 1010: 168: 1024 in proportion.
Step 3.
Step 1,2 raw material are added in the high mixer 500～750 rev/mins mixed 3～5 minutes, discharging is stand-by.
Step 4.
Two rank twin screw compounding that the material adding of step 3 gained is heated is extruded unit, and the Heating temperature in each district is respectively 150～170 ℃, and is mixing even, and fervent air-cooled discharging is packed.
The above-mentioned product that makes after testing, mechanical performance index is as follows:
Tensile strength: 〉=10.0Mpa
Elongation at break: 〉=350%
Hardness (Shao Shi A) :≤92
Claims (3)
1. low-smoke halogen-free flame retardant electronic wire material, it is characterized in that its feed composition and content are as follows by weight: 40～70 parts in metallocene PE mixture, 30～60 parts in thermoplastic styrene elastomer mixture, 90～130 parts of halogen-free flame retardantss, 0.5～3 part of retardant synergist, 0.5～1.5 part of lubricant, 0.5～1 part in oxidation inhibitor, mixing even.
2. a kind of low-smoke halogen-free flame retardant electronic wire material according to claim 1 is characterized in that the metallocene PE mixture is made up of at the metallocene PE of 2.0～4.0g/10min one or more melt indexs; The thermoplastic styrene elastomer mixture is made up of SBS (styrene-butadiene-styrene block copolymer) and SEBS (SIS/SEBS); Halogen-free flame retardants is made up of magnesium hydroxide and alkali magnesium sulfate crystal whisker that polymerization coats, and ratio is 3～5: 1; Retardant synergist is made up of silicone flame retardant.
3. the preparation method of a kind of low-smoke halogen-free flame retardant electronic wire material according to claim 1 is characterized in that the processing step for preparing is as follows:
1) halogen-free flame retardants is carried out coating modification by the high molecular polymer initiator that adds by weight in super mixer;
2) by weight ratio metallocene PE mixture, thermoplastic styrene elastomer mixture, halogen-free flame retardants, retardant synergist, lubricant, oxidation inhibitor are mixed in super mixer, send into two rank twin screw extruder groups or the mixed granulation of reciprocating type single screw extrusion machine retable by the homogenizing feed appliance then, earnestly air-cooled, promptly get the finished product of low-smoke halogen-free flame retardant electronic wire material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160149A CN101831100A (en) | 2010-04-26 | 2010-04-26 | Low-smoke halogen-free flame retardant electronic wire material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160149A CN101831100A (en) | 2010-04-26 | 2010-04-26 | Low-smoke halogen-free flame retardant electronic wire material |
Publications (1)
| Publication Number | Publication Date |
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| CN101831100A true CN101831100A (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010160149A Pending CN101831100A (en) | 2010-04-26 | 2010-04-26 | Low-smoke halogen-free flame retardant electronic wire material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634105A (en) * | 2011-02-11 | 2012-08-15 | 苏州汉扬精密电子有限公司 | Soft halogen-free flame-retardant cable material |
| CN103524845A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Halogen-free flame-retardant thermoplastic polyolefin cable material |
| 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 |
| CN103724765A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Low-smoke halogen-free flame retardant cable and preparation method thereof |
| CN104031306A (en) * | 2014-05-19 | 2014-09-10 | 安徽省康利亚实业有限公司 | Low-smoke halogen-free flame-retardant elastomer sheath material for rail vehicle cables and preparation method thereof |
| CN104403252A (en) * | 2014-11-17 | 2015-03-11 | 宁波市青湖弹性体科技有限公司 | Flexible halogen-free and flame-retardant TPE (thermoplastic elastomer) with low smoke density and preparation method of TPE |
| CN104927179A (en) * | 2015-06-16 | 2015-09-23 | 安徽天元电缆有限公司 | Anti-corrosion marine cable material |
-
2010
- 2010-04-26 CN CN201010160149A patent/CN101831100A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634105A (en) * | 2011-02-11 | 2012-08-15 | 苏州汉扬精密电子有限公司 | Soft halogen-free flame-retardant cable material |
| CN102634105B (en) * | 2011-02-11 | 2014-07-16 | 苏州汉扬精密电子有限公司 | Soft halogen-free flame-retardant cable material |
| CN103524845A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Halogen-free flame-retardant thermoplastic polyolefin cable material |
| CN103524845B (en) * | 2013-09-30 | 2016-04-13 | 芜湖航天特种电缆厂 | A kind of halogen-free flame-retardant thermoplastic polyolefin cable |
| 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 |
| CN103724765A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Low-smoke halogen-free flame retardant cable and preparation method thereof |
| CN104031306A (en) * | 2014-05-19 | 2014-09-10 | 安徽省康利亚实业有限公司 | Low-smoke halogen-free flame-retardant elastomer sheath material for rail vehicle cables and preparation method thereof |
| CN104403252A (en) * | 2014-11-17 | 2015-03-11 | 宁波市青湖弹性体科技有限公司 | Flexible halogen-free and flame-retardant TPE (thermoplastic elastomer) with low smoke density and preparation method of TPE |
| CN104927179A (en) * | 2015-06-16 | 2015-09-23 | 安徽天元电缆有限公司 | Anti-corrosion marine cable material |
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Open date: 20100915 |