CN103937124B - High speed extrusion cloudy surface polyvinyl chloride cable material and preparation method thereof - Google Patents
High speed extrusion cloudy surface polyvinyl chloride cable material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of high speed extrusion cloudy surface polyvinyl chloride cable material and preparation method thereof, this high speed extrusion cloudy surface polyvinyl chloride cable material is made up of polyvinyl chloride, calcium carbonate, ethylene-vinyl acetate copolymer and plasticizer, and further include fire retardant, stabilization agent, lubricant and crosslinking agent etc., each raw material mixing granulation under appropriate weight proportion, preparation technology flow are as follows above：First each raw material is mixed 10 15 minutes in high mixer high speed, then internal mixing and plasticizing, Single screw extrusion, hot cut pellet, vibration screening, air-cooled, packaging in banbury；The cable material made using this formula and method, has easy to process, stay in grade and production efficiency height and other effects.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of high speed extrusion cloudy surface polyvinyl chloride cable material and
Its preparation method.
Background technology
The cable of increasing electronics is the aesthetic requirement for meeting people now, it is desirable to wire surface exquisiteness cloudy surface,
Give soft sensation, but the conventional formulation of most of polyvinyl chloride cable cloudy surface is by adding HMW at present
Delustering Polychloroethylene is realized, and such formula is too high to technological requirement in cable extrusion, the low easy generation of temperature
Particle, pitted skin and scraping article, temperature is high or linear speed is too fast can cause atomized surface effect unobvious, have a strong impact on the steady of cable quality
Qualitative and production efficiency.
Thus, it is necessary to above-mentioned technical problem is improved.
The content of the invention
Object of the present invention is to provide a kind of high speed extrusion cloudy surface polyvinyl chloride cable with cloudy surface stability
Material and preparation method thereof.
To realize object defined above, the present invention adopts the following technical scheme that：A kind of high speed extrusion cloudy surface polyvinyl chloride cable material,
It includes the raw material of following weight proportion and is made：The parts by weight of polyvinyl chloride 100；Ethylene-vinyl acetate copolymer 6-12 parts by weight；
Plasticizer 40-70 parts by weight；Calcium carbonate 30-60 parts by weight；Fire retardant 20-40 parts by weight；Stabilization agent 3-6 parts by weight；Crosslinking agent
0.5-2 parts by weight；Lubricant 0.5-2 parts by weight.
Wherein, the polyvinyl chloride is pure resin powder of the weight average molecular weight between 60000-100000.
Wherein, the vinyl acetate content in the ethylene-vinyl acetate copolymer is more than 25%, and weight average molecular weight is
Pure resin between 5000-10000.
Wherein, the plasticizer be diisononyl phthalate, DOTP, trioctyl trimellitate (TOTM),
One or more mixtures in epoxidized soybean oil and polyester plasticizer.
Wherein, the calcium carbonate is one or both of 2500 mesh above coarse whitings and fine particle calcium carbonate mixture.
Wherein, the fire retardant is that the one or more in antimony oxide, Firebrake ZB, magnesium hydroxide and aluminium hydroxide are mixed
Compound.
Wherein, the stabilization agent is environmentally friendly Ca Zn composite stabilization agent.
Wherein, the crosslinking agent is Triallyl isocyanurate, zinc oxide, cumyl peroxide, benzoyl peroxide first
One or more mixtures in acyl and 2,5 dimethyl -2,5- bis(t-butylperoxy) hexanes.
Wherein, the lubricant is in stearic acid, zinc stearate, calcium stearate, OPE and Tissuemat E
One or more mixtures.
The present invention can also adopt the following technical scheme that：A kind of preparation method of high speed extrusion cloudy surface polyvinyl chloride cable material,
It comprises the following steps：
A. above-mentioned various raw materials are weighed by weight ratio；
B. the height for the mixture prepared being put into 300L is mixed in pot, in 10-15 points of homogenizer high speed mixing
Clock, the design temperature of mixed at high speed is 130-150oC；
C. by the raw material discharge mixed, into 75L banbury, internal mixing and plasticizing, mixing temperature are 145 ~ 160oC；
D. the good sizing material of banburying is sent to bipyramid machine by elevator, then feeding is extruded into a diameter of 180mm single screw rods
Earnestly it is granulated, air-cooled, vibration screening and packaging, Single screw extrusion temperature are 145-165oC。
The present invention can effectively improve the cloudy surface stability of cable material, can under higher linear speed holding surface it is fine and smooth
The effect of cloudy surface, the raw material that uses of the present invention for environment-protecting and non-poisonous raw material, can 100% recycling, be advantageous to raising production efficiency
And reduce production cost.
Embodiment
The present invention provides a kind of preparation method of high speed extrusion cloudy surface polyvinyl chloride cable material, and it comprises the following steps：
A. the weight proportion as described in one of them in embodiment 1-4 weighs various raw materials；
B. the height for the mixture prepared being put into 300L is mixed in pot, in 10-15 points of homogenizer high speed mixing
Clock, the design temperature of mixed at high speed is 130-150oC；
C. by the raw material discharge mixed into 75L banbury internal mixing and plasticizing, mixing temperature 145-160oC；
D. the good sizing material of banburying is sent to bipyramid machine by elevator, then feeding is extruded into a diameter of 180mm single screw rods
Earnestly granulation, air-cooled, vibration screening and packaging, wherein Single screw extrusion temperature is 145-165oC。
For ease of being further understood to the present invention, in conjunction with specific embodiment, the present invention will be described in detail：
In embodiment, polyvinyl chloride is pure resin powder of the weight average molecular weight between 60000-100000, ethyl vinyl acetate
Ethylene copolymer be vinyl acetate content more than 25%, pure resin of the weight average molecular weight between 5000-10000, plasticizer is
In diisononyl phthalate, DOTP, trioctyl trimellitate (TOTM), epoxidized soybean oil and polyester plasticizer
One or more mixtures, calcium carbonate are one or both of 2500 mesh above coarse whitings and fine particle calcium carbonate mixture, fire retardant three
One or more mixtures in two antimony, Firebrake ZB, magnesium hydroxide and aluminium hydroxide are aoxidized, stabilization agent is pacified for environmentally friendly Ca Zn composite
Determine agent, crosslinking agent is Triallyl isocyanurate, zinc oxide, cumyl peroxide, benzoyl peroxide and 2,5 diformazans
One or more mixtures in base -2,5- bis(t-butylperoxy) hexane, lubricant are stearic acid, zinc stearate, tristearin
One or more mixtures in sour calcium, OPE and Tissuemat E.
Embodiment 1：By the parts by weight of polyvinyl chloride 100, the parts by weight of ethylene-vinyl acetate copolymer 6, the weight of plasticizer 40
Part, the parts by weight of calcium carbonate 30, the parts by weight of fire retardant 20, the parts by weight of stabilization agent 3, the parts by weight of crosslinking agent 0.5, the weight of lubricant 0.5
Part, above material is mixed 15 minutes in high mixer high speed, the mixed setting temperature of height is 150oC, it is discharged to 75L banburyings secret
Refining plasticizing, mixing temperature 160oC, then be earnestly granulated through diameter 180mm Single screw extrusions, single screw rod processing temperature is 155-165oC；The micelle being granulated is extruded in electric wire extruder and gives as security line, extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half squeezes
Keep in custody out, extrusion temperature is 160-170 oC。
Embodiment 2：By the parts by weight of polyvinyl chloride 100, the parts by weight of ethylene-vinyl acetate copolymer 9, the weight of plasticizer 50
Part, the parts by weight of calcium carbonate 40, the parts by weight of fire retardant 28, the parts by weight of stabilization agent 4, the parts by weight of crosslinking agent 1, the parts by weight of lubricant 1, will
Above material mixes 15 minutes in high mixer high speed, and height is mixed to set temperature as 145oC, it is discharged to 75L banburies banburying modeling
Change, mixing temperature 155oC, then be earnestly granulated through diameter 180mm Single screw extrusions, single screw rod processing temperature is 150-160oC；
The micelle being granulated is extruded in electric wire extruder and gives as security line, extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half squeezes pipe
Extrusion, extrusion temperature are 155-165 oC。
Embodiment 3：By the parts by weight of polyvinyl chloride 100, the parts by weight of ethylene-vinyl acetate copolymer 12, the weight of plasticizer 60
Part, the parts by weight of calcium carbonate 50, the parts by weight of fire retardant 32, the parts by weight of stabilization agent 5, the parts by weight of crosslinking agent 1.5, the weight of lubricant 1.5
Part, above material is mixed 15 minutes in high mixer high speed, the mixed setting temperature of height is 140oC, it is discharged to 75L banburyings secret
Refining plasticizing, mixing temperature 150 oC, then be earnestly granulated through diameter 180mm Single screw extrusions, single screw rod processing temperature is 145-160oC；The micelle being granulated is extruded in electric wire extruder and gives as security line, extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half squeezes
Keep in custody out, extrusion temperature is 155-165 oC。
Embodiment 4：By the parts by weight of polyvinyl chloride 100, the parts by weight of ethylene-vinyl acetate copolymer 15, the weight of plasticizer 70
Part, the parts by weight of calcium carbonate 60, the parts by weight of fire retardant 40, the parts by weight of stabilization agent 6, the parts by weight of crosslinking agent 2, the parts by weight of lubricant 2, will
Above material mixes 15 minutes in high mixer high speed, and the design temperature of mixed at high speed is 130 oC, it is discharged in 75L banburies
Internal mixing and plasticizing, mixing temperature 145oC, then be earnestly granulated through diameter 180mm Single screw extrusions, single screw rod processing temperature is 145-
155 oC；The micelle being granulated to be extruded in electric wire extruder and gives as security line, extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm,
Partly squeeze and keep in custody out, extrusion temperature is 150-160 oC。
Performance test：Hardness performance is according to ASTM2240 (American Society for Testing and
Materials, American Society Testing and Materials) standard testing, tensile strength and elongation at break properties according to UL758 and
UL1581 standard testings, extrusion speed is according to electric wire extruder speed counter record, and wire rod atomized surface effect is according to visually judgement.
Embodiment 1-4 formula (parts by weight) and material performance joins following form：
| Compound material title | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Polyvinyl chloride | 100 | 100 | 100 | 100 |
| Ethylene-vinyl acetate copolymer | 6 | 8 | 10 | 12 |
| Plasticizer | 40 | 50 | 60 | 70 |
| Calcium carbonate | 30 | 40 | 50 | 60 |
| Fire retardant | 20 | 28 | 32 | 40 |
| Stabilization agent | 3 | 4 | 5 | 6 |
| Crosslinking agent | 0.5 | 1 | 1.5 | 2 |
| Lubricant | 0.5 | 1 | 1.5 | 2 |
| Tensile strength (Mpa) | 14.6 | 13.2 | 12.2 | 10.7 |
| Elongation at break (%) | 324 | 286 | 240 | 178 |
| Hardness shore (A) | 94 | 86 | 81 | 76 |
| Wire rod extrusion speed（m/min） | 50 | 80 | 130 | 90 |
| Outward appearance | It is fine and smooth slightly bright | Fine and smooth cloudy surface | Fine and smooth cloudy surface | Slight pitted skin |
| Product prilling temperature（oC） | 155-165 | 150-160 | 145-160 | 145-155 |
| Give as security line extrusion temperature（oC） | 160-170 | 155-165 | 155-165 | 150-160 |
Such as above performance evaluation, it can be seen that it is fastest during the extrusion wire rod of the raw material of embodiment 3 by embodiment 1-4,
Outward appearance cloudy surface exquisiteness is most obvious, while the mechanical and physical performance of raw material also balances very much.
A kind of high speed extrusion cloudy surface polyvinyl chloride cable material provided by the present invention and preparation method thereof is carried out above
It is discussed in detail, specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general technology people in field of the present invention
Member, according to the thought of the present invention, can there are change part, in summary, this explanation in specific embodiments and applications
Book content should not be construed as limiting the invention.
Claims (8)
1. a kind of high speed extrusion cloudy surface polyvinyl chloride cable material, it includes the raw material of following weight proportion and is made：Polyvinyl chloride 100
Parts by weight；Ethylene-vinyl acetate copolymer 6-12 parts by weight；Plasticizer 40-70 parts by weight；Calcium carbonate 30-60 parts by weight；It is fire-retardant
Agent 20-40 parts by weight；Stabilization agent 3-6 parts by weight；Crosslinking agent 0.5-2 parts by weight；Lubricant 0.5-2 parts by weight；
Wherein, the vinyl acetate content in the ethylene-vinyl acetate copolymer is more than 25%, weight average molecular weight 5000-
Pure resin between 10000；The plasticizer is diisononyl phthalate, DOTP, tri trimellitate
One or more mixtures in monooctyl ester, epoxidized soybean oil and polyester plasticizer.
2. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The polyvinyl chloride is attached most importance to
Pure resin powder of the average molecular weight between 60000-100000.
3. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The calcium carbonate is 2500
One or both of mesh above coarse whiting and fine particle calcium carbonate mixture.
4. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The fire retardant is three oxygen
Change one or more mixtures in two antimony, Firebrake ZB, magnesium hydroxide and aluminium hydroxide.
5. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The stabilization agent is environmental protection
Ca Zn composite stabilization agent.
6. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The crosslinking agent is triolefin
Propyl group isocyanuric acid ester, zinc oxide, cumyl peroxide, benzoyl peroxide and the double (tert-butyl group mistakes of 2,5 dimethyl -2,5-
Epoxide) one or more mixtures in hexane.
7. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterised in that：The lubricant is hard ester
One or more mixtures in acid, zinc stearate, calcium stearate, OPE and Tissuemat E.
8. a kind of preparation method of high speed extrusion cloudy surface polyvinyl chloride cable material, it comprises the following steps：
a：The raw material as described in any one in 1-7 is weighed by weight ratio；
b：The height that the mixture prepared in a is put into 300L is mixed in pot, and 10-15 minutes are mixed in homogenizer high speed,
The design temperature of mixed at high speed is 130-150oC；
c：By the raw material discharge mixed into 75L banbury internal mixing and plasticizing, mixing temperature 145-160oC；
d：The good sizing material of banburying is sent to bipyramid machine by elevator, then feeding is extruded earnestly into a diameter of 180mm single screw rods
It is granulated, air-cooled, vibration screening and packaging, Single screw extrusion temperature are 145-165oC。
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| CN105131464A (en) * | 2015-09-01 | 2015-12-09 | 博硕科技(江西)有限公司 | Polyvinyl chloride cable material and preparing method thereof |
| CN106188943A (en) * | 2016-07-18 | 2016-12-07 | 赛宝（江西）实业有限公司 | The preparation method of fire-retardant cloudy surface electric wire polyvinyl chloride colloidal particle |
| CN107910116A (en) * | 2017-11-22 | 2018-04-13 | 深圳市红旗电工科技有限公司 | The elevator network synthesis line and preparation method of a kind of powered source signal |
| CN112662087A (en) * | 2020-12-09 | 2021-04-16 | 河北亿正线缆有限公司 | Isolated flexible fireproof cable |
| CN113400509B (en) * | 2021-07-09 | 2022-06-24 | 惠州市大义塑胶新材料有限公司 | Preparation method, device and application of modified PVC material with NTC effect |
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| CN101781434A (en) * | 2010-03-02 | 2010-07-21 | 扬州华声电子实业有限公司 | Fog-surface flame-retardant polyvinyl chloride wire cable material and preparation method thereof |
| CN102875929A (en) * | 2012-10-17 | 2013-01-16 | 江苏恒峰线缆有限公司 | Polyvinyl-chloride extinction material and production method thereof |
| CN103059446A (en) * | 2011-10-20 | 2013-04-24 | 常熟市筑紫机械有限公司 | Irradiation cold-resistant polyvinyl chloride wire cable and material |
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Patent Citations (4)
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| CN101781434A (en) * | 2010-03-02 | 2010-07-21 | 扬州华声电子实业有限公司 | Fog-surface flame-retardant polyvinyl chloride wire cable material and preparation method thereof |
| CN103059446A (en) * | 2011-10-20 | 2013-04-24 | 常熟市筑紫机械有限公司 | Irradiation cold-resistant polyvinyl chloride wire cable and material |
| CN103059481A (en) * | 2011-10-20 | 2013-04-24 | 常熟市筑紫机械有限公司 | Polyvinyl chloride wire and cable material cross-linked at temperature of 105 DEG C |
| CN102875929A (en) * | 2012-10-17 | 2013-01-16 | 江苏恒峰线缆有限公司 | Polyvinyl-chloride extinction material and production method thereof |
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Effective date of registration: 20180717 Address after: 343100 the southeast corner of Chaoyang Road and Panlong Road intersection in Ji'an County, Ji'an, Jiangxi. Patentee after: Jiangxi Bo Shuo Electronics Co., Ltd. Address before: 343100 Ji'an County Industrial Park, Ji'an, Jiangxi Patentee before: Win large science and technology (Jiangxi) company limited |
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