CN103937124A - High-speed extrusion matte polyvinyl chloride cable material and preparation method thereof - Google Patents
High-speed extrusion matte polyvinyl chloride cable material and preparation method thereof Download PDFInfo
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- CN103937124A CN103937124A CN201410171323.7A CN201410171323A CN103937124A CN 103937124 A CN103937124 A CN 103937124A CN 201410171323 A CN201410171323 A CN 201410171323A CN 103937124 A CN103937124 A CN 103937124A
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- polyvinyl chloride
- cable material
- high speed
- chloride cable
- cloudy surface
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- 238000001125 extrusion Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 title claims abstract description 33
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 33
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 14
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000005469 granulation Methods 0.000 claims abstract description 12
- 230000003179 granulation Effects 0.000 claims abstract description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims abstract description 4
- 229940125725 tranquilizer Drugs 0.000 claims description 13
- 239000003204 tranquilizing agent Substances 0.000 claims description 13
- 230000002936 tranquilizing effect Effects 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- -1 Zinic stearas Chemical compound 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- 241000143437 Aciculosporium take Species 0.000 claims description 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 241000276489 Merlangius merlangus Species 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 3
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 238000005453 pelletization Methods 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 239000000693 micelle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a high-speed extrusion matte polyvinyl chloride cable material and a preparation method thereof. The high-speed extrusion matte polyvinyl chloride cable material comprises polyvinyl chloride, calcium carbonate, ethylene-vinyl acetate copolymer and plasticizer, and can further contain flame retardant, stabilizer, lubricant, cross-linking agent and the like, and all the raw materials are mixed according to a proper weight mixture ratio for granulation. The preparation method comprises the following processes of firstly performing high-speed mixing on all the raw materials in a high mixing machine for 10-15min, further internally mixing and plasticizing in an internal mixer, and performing single-screw extrusion, hot pelletizing, vibration screening, air cooling and packaging. The cable material manufactured by adopting the formula and the method has the effects of convenience in processing, stable quality, high production efficiency and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of high speed extrusion cloudy surface polyvinyl chloride cable material and preparation method thereof.
Background technology
The cable that now increasing electronics is used is the aesthetic requirement that meets people, require the fine and smooth cloudy surface of wire surface, give soft sensation, but the conventional formulation of current most of polyvinyl chloride cable cloudy surface is to realize by the Delustering Polychloroethylene of interpolation high molecular, and this type of formula is too high to processing requirement in cable extrusion, temperature is low easy generation particle, pitted skin and scraping article, temperature height or the too fast meeting of linear speed cause atomized surface effect not obvious, had a strong impact on stability and the production efficiency of cable quality.
So, be necessary above-mentioned technical problem to improve.
Summary of the invention
The object of the present invention is to provide a kind of high speed extrusion cloudy surface polyvinyl chloride cable material with cloudy surface stability and preparation method thereof.
For realizing aforementioned object, the present invention adopts following technical scheme: a kind of high speed extrusion cloudy surface polyvinyl chloride cable material, and its raw material that comprises following weight proportion is made: polyvinyl chloride 100 weight parts; Ethylene-vinyl acetate copolymer 6-12 weight part; Plasticizer 40-70 weight part; Calcium carbonate 30-60 weight part; Fire retardant 20-40 weight part; Tranquilizer 3-6 weight part; Linking agent 0.5-2 weight part; Lubricant 0.5-2 weight part.
Wherein, described polyvinyl chloride is the virgin resin powder of weight-average molecular weight between 60000-100000.
Wherein, the vinyl acetate content in described ethylene-vinyl acetate copolymer is more than 25%, and weight-average molecular weight is the virgin resin between 5000-10000.
Wherein, described plasticizer is one or more mixtures in diisononyl phthalate, dioctyl terephthalate, trioctyl trimellitate, epoxy soybean oil and polyester plasticizer.
Wherein, described calcium carbonate is one or both mixtures in the above coarse whiting of 2500 order and fine particle calcium carbonate.
Wherein, described fire retardant is one or more mixtures in antimonous oxide, zinc borate, magnesium hydroxide and aluminium hydroxide.
Wherein, described tranquilizer is environmental protection Ca Zn composite tranquilizer.
Wherein, described linking agent is cyanacrylate, zinc oxide, dicumyl peroxide, benzoyl peroxide and 2,5 dimethyl-2, one or more mixtures in 5-bis(t-butylperoxy) hexane.
Wherein, described lubricant is one or more mixtures in stearic acid, Zinic stearas, calcium stearate, oxidized polyethlene wax and polyethylene wax.
The present invention also can adopt following technical scheme: a kind of preparation method of high speed extrusion cloudy surface polyvinyl chloride cable material, it comprises the steps:
A. take by weight ratio above-mentioned various raw material;
B. the mixture preparing is put in the mixed pot of height of 300L, mixed 10-15 minute in homogenizer high speed, the design temperature of high-speed mixing is 130-150
oc;
C. by the raw material discharge mixing to internal mixing and plasticizing in the Banbury mixer of 75L, banburying temperature is 145 ~ 160
oc;
D. sizing material good banburying is delivered to bipyramid machine by lift, then feeding is in the mono-screw rod of 180mm, to extrude fervent granulation, air-cooled, vibratory screening and packaging to diameter, single Screw Extrusion temperature is 145-165
oc.
The present invention can effectively improve the cloudy surface stability of cable material, can under higher linear speed, keep the effect of surperficial fine and smooth cloudy surface, the raw material that the present invention adopts is environment-protecting asepsis raw material, can 100% recycling, be conducive to enhance productivity and reduce production costs.
Embodiment
The preparation method who the invention provides a kind of high speed extrusion cloudy surface polyvinyl chloride cable material, it comprises the following steps:
A. take various raw materials by the weight proportion described in one of them in embodiment 1-4;
B. the mixture preparing is put in the mixed pot of height of 300L, mixed 10-15 minute in homogenizer high speed, the design temperature of high-speed mixing is 130-150
oc;
C. by the raw material discharge mixing to internal mixing and plasticizing in the Banbury mixer of 75L, banburying temperature is 145-160
oc;
D. sizing material good banburying is delivered to bipyramid machine by lift, then feeding is in the mono-screw rod of 180mm, to extrude fervent granulation, air-cooled, vibratory screening and packaging to diameter, wherein single Screw Extrusion temperature is 145-165
oc.
For ease of the present invention is further understood, now describe the present invention in conjunction with specific embodiments:
In an embodiment, polyvinyl chloride is the virgin resin powder of weight-average molecular weight between 60000-100000, ethylene-vinyl acetate copolymer be vinyl acetate content more than 25%, the virgin resin of weight-average molecular weight between 5000-10000, plasticizer is diisononyl phthalate, dioctyl terephthalate, trioctyl trimellitate, one or more mixtures in epoxy soybean oil and polyester plasticizer, calcium carbonate is one or both mixtures in the above coarse whiting of 2500 order and fine particle calcium carbonate, fire retardant is antimonous oxide, zinc borate, one or more mixtures in magnesium hydroxide and aluminium hydroxide, tranquilizer is environmental protection Ca Zn composite tranquilizer, linking agent is cyanacrylate, zinc oxide, dicumyl peroxide, benzoyl peroxide and 2,5 dimethyl-2, one or more mixtures in 5-bis(t-butylperoxy) hexane, lubricant is stearic acid, Zinic stearas, calcium stearate, one or more mixtures in oxidized polyethlene wax and polyethylene wax.
Embodiment 1: by polyvinyl chloride 100 weight parts, ethylene-vinyl acetate copolymer 6 weight parts, plasticizer 40 weight parts, calcium carbonate 30 weight parts, fire retardant 20 weight parts, tranquilizer 3 weight parts, linking agent 0.5 weight part, lubricant 0.5 weight part, mixes above material 15 minutes in high mixer high speed, and high mixed set temperature is 150
oc, is discharged to 75L Banbury mixer internal mixing and plasticizing, banburying temperature 160
oc, then through the fervent granulation of the mono-Screw Extrusion of diameter 180mm, single screw rod processing temperature is 155-165
oc; Micelle good granulation is extruded to signature line at electric wire extruder, and extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half crowded keeping in custody out, extrusion temperature is 160-170
oc.
Embodiment 2: by polyvinyl chloride 100 weight parts, ethylene-vinyl acetate copolymer 9 weight parts, plasticizer 50 weight parts, calcium carbonate 40 weight parts, fire retardant 28 weight parts, tranquilizer 4 weight parts, linking agent 1 weight part, lubricant 1 weight part, mixes above material 15 minutes in high mixer high speed, and high mixed set temperature is 145
oc, is discharged to 75L Banbury mixer internal mixing and plasticizing, banburying temperature 155
oc, then through the fervent granulation of the mono-Screw Extrusion of diameter 180mm, single screw rod processing temperature is 150-160
oc; Micelle good granulation is extruded to signature line at electric wire extruder, and extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half crowded keeping in custody out, extrusion temperature is 155-165
oc.
Embodiment 3: by polyvinyl chloride 100 weight parts, ethylene-vinyl acetate copolymer 12 weight parts, plasticizer 60 weight parts, calcium carbonate 50 weight parts, fire retardant 32 weight parts, tranquilizer 5 weight parts, linking agent 1.5 weight parts, lubricant 1.5 weight parts, mix above material 15 minutes in high mixer high speed, and high mixed set temperature is 140
oc, is discharged to 75L Banbury mixer internal mixing and plasticizing, banburying temperature 150
oc, then through the fervent granulation of the mono-Screw Extrusion of diameter 180mm, single screw rod processing temperature is 145-160
oc; Micelle good granulation is extruded to signature line at electric wire extruder, and extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half crowded keeping in custody out, extrusion temperature is 155-165
oc.
Embodiment 4: by polyvinyl chloride 100 weight parts, ethylene-vinyl acetate copolymer 15 weight parts, plasticizer 70 weight parts, calcium carbonate 60 weight parts, fire retardant 40 weight parts, tranquilizer 6 weight parts, linking agent 2 weight parts, lubricant 2 weight parts, mix above material 15 minutes in high mixer high speed, and the design temperature of high-speed mixing is 130
oc, is discharged to internal mixing and plasticizing in 75L Banbury mixer, banburying temperature 145
oc, then through the fervent granulation of the mono-Screw Extrusion of diameter 180mm, single screw rod processing temperature is 145-155
oc; Micelle good granulation is extruded to signature line at electric wire extruder, and extruder screw diameter is 75mm, gauge or diameter of wire 4.1mm, and half crowded keeping 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 are according to UL758 and UL1581 standard testing, extrusion speed is according to electric wire extruder speed counter record, and wire rod atomized surface effect is according to visual judgement.
Formula (weight part) and the material performance of embodiment 1-4 are joined 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 |
| Tranquilizer | 3 | 4 | 5 | 6 |
| Linking 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 Shao Shi (A) | 94 | 86 | 81 | 76 |
| Wire rod extrusion speed (m/min) | 50 | 80 | 130 | 90 |
| Outward appearance | Exquisiteness is 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 |
| Signature line extrusion temperature ( oC） | 160-170 | 155-165 | 155-165 | 150-160 |
As above performance analysis, can find out by embodiment 1-4, fastest when the extrusion wire rod of the raw material of embodiment 3, outward appearance cloudy surface exquisiteness is the most obvious, simultaneously also unusual balance of the mechanical and physical performance of raw material.
Above a kind of high speed extrusion cloudy surface polyvinyl chloride cable material provided by the present invention and preparation method thereof is described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for the those skilled in the art in field of the present invention, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a high speed extrusion cloudy surface polyvinyl chloride cable material, its raw material that comprises following weight proportion is made: polyvinyl chloride 100 weight parts; Ethylene-vinyl acetate copolymer 6-12 weight part; Plasticizer 40-70 weight part; Calcium carbonate 30-60 weight part; Fire retardant 20-40 weight part; Tranquilizer 3-6 weight part; Linking agent 0.5-2 weight part; Lubricant 0.5-2 weight part.
2. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described polyvinyl chloride is the virgin resin powder of weight-average molecular weight between 60000-100000.
3. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: the vinyl acetate content in described ethylene-vinyl acetate copolymer is more than 25%, and weight-average molecular weight is the virgin resin between 5000-10000.
4. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described plasticizer is one or more mixtures in diisononyl phthalate, dioctyl terephthalate, trioctyl trimellitate, epoxy soybean oil and polyester plasticizer.
5. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described calcium carbonate is one or both mixtures in the above coarse whiting of 2500 order and fine particle calcium carbonate.
6. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described fire retardant is one or more mixtures in antimonous oxide, zinc borate, magnesium hydroxide and aluminium hydroxide.
7. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described tranquilizer is environmental protection Ca Zn composite tranquilizer.
8. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, it is characterized in that: described linking agent is cyanacrylate, zinc oxide, dicumyl peroxide, benzoyl peroxide and 2,5 dimethyl-2, one or more mixtures in 5-bis(t-butylperoxy) hexane.
9. high speed extrusion cloudy surface polyvinyl chloride cable material as claimed in claim 1, is characterized in that: described lubricant is one or more mixtures in stearic acid, Zinic stearas, calcium stearate, oxidized polyethlene wax and polyethylene wax.
10. a preparation method for high speed extrusion cloudy surface polyvinyl chloride cable material, it comprises the steps:
A. take by weight ratio the raw material as described in any one in 1-9;
B. the mixture preparing in a is put in the mixed pot of height of 300L, mixed 10-15 minute in homogenizer high speed, the design temperature of high-speed mixing is 130-150
oc;
C. by the raw material discharge mixing to internal mixing and plasticizing in the Banbury mixer of 75L, banburying temperature is 145-160
oc;
D. sizing material good banburying is delivered to bipyramid machine by lift, then feeding is in the mono-screw rod of 180mm, to extrude fervent granulation, air-cooled, vibratory screening and packaging to diameter, single Screw Extrusion temperature is 145-165
oc.
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Cited By (5)
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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 |
| CN113400509A (en) * | 2021-07-09 | 2021-09-17 | 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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| 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 |
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| CN113400509A (en) * | 2021-07-09 | 2021-09-17 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103937124B (en) | 2018-03-16 |
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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 |