CN104086923A - Antiflaming plastic for cable and preparation method of plastic - Google Patents
Antiflaming plastic for cable and preparation method of plastic Download PDFInfo
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Abstract
The invention discloses antiflaming plastic for a cable and a preparation method of the plastic. The preparation method comprises the following steps: mixing polyvinyl chloride, polycarbonate, hexabromocyclododecane, zinc borate, chromic oxide, MBS resin, hydroxymethyl starch, organic montmorillonite, nano titanium dioxide, filler, a lubricant and a plasticizer, then carrying out extrusion molding to prepare the antiflaming plastic for the cable, wherein the antiflaming plastic comprises the components in parts by weight: 100 parts of polyvinyl chloride, 30-45 parts of polycarbonate, 30-45 parts of hexabromocyclododecane, 2.5-4 parts of zinc borate, 0.5-1.5 parts of chromic oxide, 7-12 parts of MBS resin, 3-5 parts of hydroxymethyl starch, 9-15 parts of organic montmorillonite, 0.3-0.8 part of nano titanium dioxide, 25-35 parts of filler, 1-4 parts of lubricant and 13-17 parts of plasticizer. The plastic has excellent flame retardance, insulation performance and mechanical property.
Description
Technical field
The present invention relates to plastics field, particularly, relate to flame retardant plastics and preparation method thereof for a kind of cable.
Background technology
Igelite has good physicals, is suitable as low-voltage cable insulating layer material.Existing igelite alignment flame retardant properties is less demanding, but some occasion is had relatively high expectations to the flame retardant resistance of the igelite of the insulation layer as cable.Oxygen index is used for weighing flame retardant of plastic performance, and oxygen index is higher, and flame retardant resistance is better.Existing cable in 30 left and right, is difficult to meet the requirement of high flame retardant with the oxygen index of flame retardant plastics.
Summary of the invention
The object of this invention is to provide a kind of cable flame retardant plastics, this cable has excellent oxygen index with flame retardant plastics, and has excellent mechanical property, prepares this cable simple with the method steps of flame retardant plastics simultaneously, and raw material is easy to get.
To achieve these goals, the invention provides the preparation method of flame retardant plastics for a kind of cable, described preparation method comprise polyvinyl chloride, polycarbonate, hexabromocyclododecane, zinc borate, chromic oxide, MBS resin, hydroxymethyl starch, organo montmorillonite, nano titanium oxide, weighting agent, lubricant and softening agent are mixed and extrusion moulding to make described cable flame retardant plastics;
Wherein, polyvinyl chloride with respect to 100 weight parts, the consumption of described polycarbonate is 30-45 weight part, the consumption of described hexabromocyclododecane is 30-45 weight part, the consumption of described zinc borate is 2.5-4 weight part, the consumption of described chromic oxide is 0.5-1.5 weight part, the consumption of described MBS resin is 7-12 weight part, the consumption of described hydroxymethyl starch is 3-5 weight part, the consumption of described organo montmorillonite is 9-15 weight part, the consumption of described nano titanium oxide is 0.3-0.8 weight part, the consumption of described weighting agent is 25-35 weight part, the consumption of described lubricant is 1-4 weight part, the consumption of described softening agent is 13-17 weight part.
The present invention also provides a kind of cable flame retardant plastics, and described cable is obtained according to above-mentioned preparation method with flame retardant plastics.
Pass through technique scheme, the present invention makes cable flame retardant plastics by polyvinyl chloride, polycarbonate, hexabromocyclododecane, zinc borate, chromic oxide, MBS resin, hydroxymethyl starch, organo montmorillonite, nano titanium oxide, weighting agent, lubricant and softening agent being mixed mutually to also extrusion moulding, these plastics not only have excellent fire-retardant and insulating property, and these plastics also have excellent mechanical property simultaneously.The method of preparing in addition these plastics is simple, and raw material is easy to get.
Other features and advantages of the present invention partly in detail are described the embodiment subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides the preparation method of flame retardant plastics for a kind of cable, described preparation method comprise polyvinyl chloride, polycarbonate, hexabromocyclododecane, zinc borate, chromic oxide, MBS resin, hydroxymethyl starch, organo montmorillonite, nano titanium oxide, weighting agent, lubricant and softening agent are mixed and extrusion moulding to make described cable flame retardant plastics, wherein, polyvinyl chloride with respect to 100 weight parts, the consumption of described polycarbonate is 30-45 weight part, the consumption of described hexabromocyclododecane is 30-45 weight part, the consumption of described zinc borate is 2.5-4 weight part, the consumption of described chromic oxide is 0.5-1.5 weight part, the consumption of described MBS resin is 7-12 weight part, the consumption of described hydroxymethyl starch is 3-5 weight part, the consumption of described organo montmorillonite is 9-15 weight part, the consumption of described nano titanium oxide is 0.3-0.8 weight part, the consumption of described weighting agent is 25-35 weight part, the consumption of described lubricant is 1-4 weight part, the consumption of described softening agent is 13-17 weight part.
In the present invention, it is any that polyvinyl chloride, polycarbonate and MBS resin can be known to the skilled person, for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, the polymerization degree of described polyvinyl chloride is 3000-4000, the polymerization degree of described polycarbonate is 5000-7000, and the polymerization degree of described MBS resin is 1500-5000.
In the present invention, the particle diameter of nano titanium oxide can be selected in wide scope, and for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, the particle diameter of described nano titanium oxide is 1-10nm.
In the present invention, any filler for plastic that weighting agent can be known to the skilled person, for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, described weighting agent is one or more in calcium carbonate, potter's clay, silicate or talcum powder.
In the present invention, any filler for plastic that lubricant can be known to the skilled person, for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, described lubricant is one or more in stearic acid, stearate, polyvinyl chloride wax, paraffin or amine hydroxybenzene.
In the present invention, any filler for plastic that softening agent can be known to the skilled person, for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, described softening agent is one or more in phthalate compound, terephthalic acid ester compound or trimellitic acid ester compound.
In addition, in the present invention, for the cable that makes to make has more excellent flame retardant properties with flame retardant plastics, preferably, the temperature of described extrusion moulding is 135-155 ℃.
The present invention also provides a kind of cable flame retardant plastics, and described cable is obtained according to above-mentioned preparation method with flame retardant plastics.
Below will describe the present invention by embodiment.In following examples, tensile strength parameter is that the method by GB1040-2006 records, elongation at break parameter is that the method by GB1040-2006 records, and oxygen index is that the method by GB2406-2009 records, and the volume specific resistance at 20 ℃ is that the method by GB1410-2006 records.
Polyvinyl chloride is the product of Dongguan City Chun Jie plastic cement company limited, polycarbonate is the product of the holy Chemical Co., Ltd. of Dongguan City positive group, hexabromocyclododecane is the product of Yancheng prize chemical industry company limited, zinc borate is the product of Foshan City Tian Xin polyvalent environment protective Materials Co., Ltd, chromic oxide is the product of Guangzhou Zhan Fei Chemical Industry Science Co., Ltd, MBS resin is the product of Guangzhou Hong Chang Chemical Industry Science Co., Ltd, hydroxymethyl starch is the product of Renqiu City E-BANG Chemical Co., Ltd., organo montmorillonite is the product of Lingshou County Sheng Xiang mineral products processing factory, nano titanium oxide is the product of Shanghai Jiang Fu Industrial Co., Ltd., calcium carbonate is the product of Qingyuan City peak powder company limited, stearic acid is the product of Zibo Feng Sen oil and fat chemical company limited, phthalic ester is the product of Guangzhou Bin Hao Chemical Co., Ltd..
Embodiment 1
Polyvinyl chloride 100kg, polycarbonate 40kg, hexabromocyclododecane 41kg, zinc borate 3.1kg, chromic oxide 1kg, MBS resin 9kg, hydroxymethyl starch 4kg, organo montmorillonite 13kg, nano titanium oxide 0.6kg, calcium carbonate 30kg, stearic acid 3kg and phthalic ester 15kg are first mixed to 8min; then in double-screw extruding pelletizing machine, temperature is made as to 140 ℃ and carries out extruding pelletization, obtain cable flame retardant plastics A1.Wherein, the polymerization degree of polyvinyl chloride is 3500, and the polymerization degree of polycarbonate is that the polymerization degree of 6000, MBS resin is 3000, and the particle diameter of nano titanium oxide is 5nm.
This cable is 15.5Mpa by the tensile strength of flame retardant plastics, and elongation at break is 250%, and oxygen index is that the volume specific resistance at 55,20 ℃ is 2.5 * 10
11Ω m.
Embodiment 2
Polyvinyl chloride 100kg, polycarbonate 30kg, hexabromocyclododecane 30kg, zinc borate 2.5-4kg, chromic oxide 0.5kg, MBS resin 7kg, hydroxymethyl starch 3kg, organo montmorillonite 9kg, nano titanium oxide 0.3kg, calcium carbonate 25kg, stearic acid 1kg and phthalic ester 13kg are first mixed to 6min; then in double-screw extruding pelletizing machine, temperature is made as to 135 ℃ and carries out extruding pelletization, obtain cable flame retardant plastics A2.
This cable is 15.1Mpa by the tensile strength of flame retardant plastics, and elongation at break is 246%, and oxygen index is that the volume specific resistance at 54,20 ℃ is 2.4 * 10
11Ω m.
Embodiment 3
Polyvinyl chloride 100kg, polycarbonate 45kg, hexabromocyclododecane 45kg, zinc borate 4kg, chromic oxide 1.5kg, MBS resin 12kg, hydroxymethyl starch 5kg, organo montmorillonite 15kg, nano titanium oxide 0.8kg, calcium carbonate 35kg, stearic acid 4kg and phthalic ester 17kg are first mixed to 10min; then in double-screw extruding pelletizing machine, temperature is made as to 155 ℃ and carries out extruding pelletization, obtain cable flame retardant plastics A3.
This cable is 15.6Mpa by the tensile strength of flame retardant plastics, and elongation at break is 248%, and oxygen index is that the volume specific resistance at 53,20 ℃ is 2.3 * 10
11Ω m.
Embodiment 4
According to the method for embodiment 1, make cable flame retardant plastics A4, difference is that the polymerization degree of polyvinyl chloride is 3000.This cable is 15.7Mpa by the tensile strength of flame retardant plastics, and elongation at break is 243%, and oxygen index is that the volume specific resistance at 54,20 ℃ is 2.3 * 10
11Ω m.
Embodiment 5
According to the method for embodiment 1, make cable flame retardant plastics A5, difference is that the polymerization degree of polyvinyl chloride is 4000.This cable is 15.5Mpa by the tensile strength of flame retardant plastics, and elongation at break is 249%, and oxygen index is that the volume specific resistance at 53,20 ℃ is 2.4 * 10
11Ω m.
Embodiment 6
According to the method for embodiment 1, make cable flame retardant plastics A6, difference is that the polymerization degree of polycarbonate is 5000.This cable is 15.1Mpa by the tensile strength of flame retardant plastics, and elongation at break is 240%, and oxygen index is that the volume specific resistance at 52,20 ℃ is 2.2 * 10
11Ω m.
Embodiment 7
According to the method for embodiment 1, make cable flame retardant plastics A7, difference is that difference is that the polymerization degree of polycarbonate is 7000.This cable is 15.3Mpa by the tensile strength of flame retardant plastics, and elongation at break is 244%, and oxygen index is that the volume specific resistance at 50,20 ℃ is 2.4 * 10
11Ω m.
Embodiment 8
According to the method for embodiment 1, make cable flame retardant plastics A8, difference is that the polymerization degree of MBS resin is 1500.This cable is 15.7Mpa by the tensile strength of flame retardant plastics, and elongation at break is 248%, and oxygen index is that the volume specific resistance at 55,20 ℃ is 2.4 * 10
11Ω m.
Embodiment 9
According to the method for embodiment 1, make cable flame retardant plastics A9, difference is that the polymerization degree of MBS resin is 5000.This cable is 15.1Mpa by the tensile strength of flame retardant plastics, and elongation at break is 241%, and oxygen index is that the volume specific resistance at 54,20 ℃ is 2.3 * 10
11Ω m.
Embodiment 10
According to the method for embodiment 1, make cable flame retardant plastics A10, difference is that the particle diameter of nano titanium oxide is 1nm.This cable is 15.3Mpa by the tensile strength of flame retardant plastics, and elongation at break is 247%, and oxygen index is that the volume specific resistance at 54,20 ℃ is 2.5 * 10
11Ω m.
Embodiment 11
According to the method for embodiment 1, make cable flame retardant plastics A11, difference is that the particle diameter of nano titanium oxide is 10nm.This cable is 15.3Mpa by the tensile strength of flame retardant plastics, and elongation at break is 242%, and oxygen index is that the volume specific resistance at 54,20 ℃ is 2.4 * 10
11Ω m.
Comparative example 1
According to the method for embodiment 1, make cable flame retardant plastics B1, difference is that the consumption of zinc borate is 1.5kg.This cable is 13.5Mpa by the tensile strength of flame retardant plastics, and elongation at break is 201%, and oxygen index is that the volume specific resistance at 32,20 ℃ is 1.3 * 10
11Ω m.
Comparative example 2
According to the method for embodiment 1, make cable flame retardant plastics B2, difference is that the consumption of zinc borate is 5kg.This cable is 12.5Mpa by the tensile strength of flame retardant plastics, and elongation at break is 191%, and oxygen index is that the volume specific resistance at 26,20 ℃ is 1.8 * 10
11Ω m.
Comparative example 3
According to the method for embodiment 1, make cable flame retardant plastics B3, difference is that the consumption of nano titanium oxide is 0.1kg.This cable is 12.8Mpa by the tensile strength of flame retardant plastics, and elongation at break is 197%, and oxygen index is that the volume specific resistance at 29,20 ℃ is 1.7 * 10
11Ω m.
Comparative example 4
According to the method for embodiment 1, make cable flame retardant plastics B4, difference is that the consumption of nano titanium oxide is 0.1kg.This cable is 13.0Mpa by the tensile strength of flame retardant plastics, and elongation at break is 187%, and oxygen index is that the volume specific resistance at 27,20 ℃ is 1.6 * 10
11Ω m.
Comparative example 5
According to the method for embodiment 1, make cable flame retardant plastics B5, difference is that the consumption of hexabromocyclododecane is 10kg.This cable is 13.2Mpa by the tensile strength of flame retardant plastics, and elongation at break is 157%, and oxygen index is that the volume specific resistance at 28,20 ℃ is 2.0 * 10
11Ω m.
Comparative example 6
According to the method for embodiment 1, make cable flame retardant plastics B6, difference is that the consumption of hexabromocyclododecane is 50kg.This cable is 13.6Mpa by the tensile strength of flame retardant plastics, and elongation at break is 147%, and oxygen index is that the volume specific resistance at 31,20 ℃ is 1.9 * 10
11Ω m.
Comparative example 7
According to the method for embodiment 1, make cable flame retardant plastics B7, difference is that the consumption of hydroxymethyl starch is 1kg.This cable is 11.1Mpa by the tensile strength of flame retardant plastics, and elongation at break is 162%, and oxygen index is that the volume specific resistance at 33,20 ℃ is 1.6 * 10
11Ω m.
Comparative example 8
According to the method for embodiment 1, make cable flame retardant plastics B8, difference is that the consumption of hydroxymethyl starch is 7kg.This cable is 12.9Mpa by the tensile strength of flame retardant plastics, and elongation at break is 136%, and oxygen index is that the volume specific resistance at 32,20 ℃ is 1.8 * 10
11Ω m.
Comparative example 9
According to the method for embodiment 1, make cable flame retardant plastics B9, difference is that the consumption of polycarbonate is 20kg.This cable is 14.7Mpa by the tensile strength of flame retardant plastics, and elongation at break is 146%, and oxygen index is that the volume specific resistance at 31,20 ℃ is 1.5 * 10
11Ω m.
Comparative example 10
According to the method for embodiment 1, make cable flame retardant plastics B10, difference is that the consumption of polycarbonate is 60kg.This cable is 13.9Mpa by the tensile strength of flame retardant plastics, and elongation at break is 153%, and oxygen index is that the volume specific resistance at 37,20 ℃ is 1.9 * 10
11Ω m.
Comparative example 11
According to the method for embodiment 1, make cable flame retardant plastics B11, difference is that the consumption of MBS resin is 5kg.This cable is 12.7Mpa by the tensile strength of flame retardant plastics, and elongation at break is 173%, and oxygen index is that the volume specific resistance at 36,20 ℃ is 1.8 * 10
11Ω m.
Comparative example 12
According to the method for embodiment 1, make cable flame retardant plastics B11, difference is that the consumption of MBS resin is 15kg.This cable is 13.7Mpa by the tensile strength of flame retardant plastics, and elongation at break is 153%, and oxygen index is that the volume specific resistance at 37,20 ℃ is 1.9 * 10
11Ω m.
From above-described embodiment and comparative example, cable provided by the invention not only has excellent insulation and flame retardant properties with flame retardant plastics, also has excellent mechanical property.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out arbitrary combination, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the preparation method of flame retardant plastics for a cable, it is characterized in that, described preparation method comprise by polyvinyl chloride, polycarbonate, hexabromocyclododecane, zinc borate, chromic oxide, MBS resin, hydroxymethyl starch, organo montmorillonite, nano titanium oxide, weighting agent, lubricant and softening agent mixes and extrusion moulding to make described cable flame retardant plastics;
Wherein, polyvinyl chloride with respect to 100 weight parts, the consumption of described polycarbonate is 30-45 weight part, the consumption of described hexabromocyclododecane is 30-45 weight part, the consumption of described zinc borate is 2.5-4 weight part, the consumption of described chromic oxide is 0.5-1.5 weight part, the consumption of described MBS resin is 7-12 weight part, the consumption of described hydroxymethyl starch is 3-5 weight part, the consumption of described organo montmorillonite is 9-15 weight part, the consumption of described nano titanium oxide is 0.3-0.8 weight part, the consumption of described weighting agent is 25-35 weight part, the consumption of described lubricant is 1-4 weight part, the consumption of described softening agent is 13-17 weight part.
2. preparation method according to claim 1, wherein, the polymerization degree of described polyvinyl chloride is 3000-4000, and the polymerization degree of described polycarbonate is 5000-7000, and the polymerization degree of described MBS resin is 1500-5000.
3. preparation method according to claim 1, wherein, the particle diameter of described nano titanium oxide is 1-10nm.
4. according to the preparation method described in any one in claim 1-3, wherein, described weighting agent is one or more in calcium carbonate, potter's clay, silicate or talcum powder.
5. according to the preparation method described in any one in claim 1-3, wherein, described lubricant is one or more in stearic acid, stearate, polyvinyl chloride wax, paraffin or amine hydroxybenzene.
6. according to the preparation method described in any one in claim 1-3, wherein, described softening agent is one or more in phthalate compound, terephthalic acid ester compound or trimellitic acid ester compound.
7. according to the preparation method described in any one in claim 1-3, wherein, the temperature of described extrusion moulding is 135-155 ℃.
8. a cable flame retardant plastics, is characterized in that, described cable is obtained according to the preparation method described in any one in claim 1-7 with flame retardant plastics.
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| CN105968698A (en) * | 2016-06-30 | 2016-09-28 | 安徽埃克森科技集团有限公司 | Cable and production process thereof |
| CN106046622A (en) * | 2016-08-03 | 2016-10-26 | 苏州市相城区正旭电线电缆有限公司 | Material for manufacturing cable insulation layer, and preparation method of material |
| CN106046622B (en) * | 2016-08-03 | 2017-12-22 | 苏州市相城区正旭电线电缆有限公司 | It is a kind of to be used to manufacture material of cable insulation and preparation method thereof |
| CN107746562A (en) * | 2017-10-24 | 2018-03-02 | 芜湖蓝天工程塑胶有限公司 | High-strength anti-flaming stalk material and preparation method thereof |
| CN108299724A (en) * | 2017-12-31 | 2018-07-20 | 安徽嘉中金属材料有限公司 | A kind of CABLE MATERIALS and preparation method thereof of high-strength anti-flaming insulation |
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| CN104086923B (en) | 2016-05-11 |
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