CN101781433B - Preparation method of black PVC cable sheath material - Google Patents
Preparation method of black PVC cable sheath material Download PDFInfo
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- CN101781433B CN101781433B CN2010101116774A CN201010111677A CN101781433B CN 101781433 B CN101781433 B CN 101781433B CN 2010101116774 A CN2010101116774 A CN 2010101116774A CN 201010111677 A CN201010111677 A CN 201010111677A CN 101781433 B CN101781433 B CN 101781433B
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Abstract
The invention discloses a preparation method of a black PVC cable sheath material. The preparation method comprises the following steps: in a kneading pot, adding the following components in parts by weight: 100 parts of PVC plastic granules, 2-5 parts of PVC resin sand, 1-3 parts of dioctyl ester, 0.5-10 part of chlorinated paraffin, 0.5-1.0 part of composite heat stabilizer, 0.5-0.8 part of carbon black or color master, 0.2-0.3 part of bisphenol A and 0.3-0.5 part of lubricant, controlling the temperature at 90-100 DEG C and stirring evenly, wherein the composite heat stabilizer is one of lead sulfate tribasic, dibasic lead phosphate or compound of liquid CaZn, and the lubricant is one of brightener, polyethylenewax or hard paraffin; feeding the mixture into an extruding machine; then controlling the temperature to be 140-180 DEG C, plastifying and entruding; and prilling and packaging. The preparation method of the black PVC cable sheath material improves the resource utilization factor, reduces pollution from solid wastes, and has excellent economic prospect and large social benefits.
Description
Technical field
The present invention relates to a kind of preparation method of PVC cable jacket material.
Background technology
Along with rapid economy development, electric wire, cable industry have become the second largest industry of China, and the usage quantity of PVC CABLE MATERIALS is increasing, and recycling of consequent waste and handling problem are very urgent.Entire society all carries out recycle in the new technology of positive research and development to the PVC waste.But these technology still are in the development phase, also fail extensively to utilize.
Simultaneously, in the prior art, also have a lot of electric wire head material also not to be fully utilized, but arbitrarily abandoned, cause waste, in addition, solid waste is in utilizing process, and transportation also is a big problem.
Summary of the invention
Goal of the invention: at the deficiencies in the prior art, the preparation method who the purpose of this invention is to provide a kind of black PVC cable sheath material, to realize the recycling of waste PVC cable skin and electric wire head material, reduce environmental pollution, improve resource utilization.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:
A kind of preparation method of black PVC cable sheath material may further comprise the steps:
(1) in kneading pot, add PVC plastic grain, polyvinyl chloride resin powder, dioctyl ester, clorafin, composite thermal stabilizer, lubricant, dihydroxyphenyl propane and carbon black or look mother, 90～100 ℃ of temperature controls stir; Wherein, PVC plastic grain, dioctyl ester, clorafin, composite thermal stabilizer, lubricant, dihydroxyphenyl propane and carbon black or look mother's parts by weight ratio is: 100: 1～3: 0.5～1.0: 0.5～1: 0.3～0.5: 0.2～0.3: 0.5～0.8; The polyvinyl chloride resin powder adds as the case may be makes the finished product satisfy national standard, with the adding part by weight of PVC plastic grain be 2～5: 100; Composite thermal stabilizer is a kind of in lead sulfate tribasic, dibasic lead phosphite or the liquid calcium zinc complexes, and lubricant is a kind of in brightening agent, polyethylene wax or the paraffinum durum;
(2) step (1) product is sent into extruding machine, 140～180 ℃ of temperature controls, plasticizing is extruded;
(3) granulation, packing.
In the step (1), described PVC plastic grain is black particle or other colored particle, and the PVC content (weight) of PVC plastic grain is not less than 40%, its CaCO
3Content (weight) is not less than 20%.
In the step (2), extruding machine can be two rank extruding machines of twin screw or the two rank of single screw rod extruding machine.
Described PVC plastic grain can be undertaken making after the preliminary working by waste PVC cable skin or head material are carried out conventional operations such as steps of sorting for removing impurities, pulverizing, cleaning, drying.
Preparation method of the present invention is a raw material with the PVC plastic grain that utilizes waste PVC cable skin and electric wire head material to make, and adds some additives, by mediate, extrude with series of processes such as granulation after, just can successfully make black PVC cable sheath material.So just solved because waste and old PVC cable skin and electric wire head material solid volume are huge, and impurity is many, be difficult for problems such as transportation, produce in situ goes out work in-process, saves cost of investment.In half-finished PVC plastic grain, the additive that adds proper ratio is a key problem in technology, and kind that additive adds and add-on separately will directly influence the quality of the finished product.The temperature control of extrusion molding operation directly influences plasticizing effect, and temperature is too high, and CABLE MATERIALS is decomposed, and temperature is low excessively, can not play plasticizing effect preferably.The product hierarchy that interpolation polyvinyl chloride resin powder is made is that density is no more than 1.42g/cm3.
Beneficial effect: black PVC cable sheath material of the present invention, after testing, every index meets the service requirements of each enterprise fully all above national standard.The index that detects has: tensile strength 〉=15.0MPa, and elongation at break 〉=180.0%, the low temperature brittleness impact temperature is-25 ℃, 20 ℃ of volume specific resistance 〉=1.0 * 10
8Ω m.200 ℃ of heat-stable time 〉=50Min.The preparation method of black PVC cable sheath material of the present invention, operation is few, and facility investment is few, and is simple to operate, the black PVC cable sheath material that can efficient production goes out has improved resource utilization, has reduced noxious waste pollution, have very big economic outlook, simultaneously, produce good social benefit.
Description of drawings
Accompanying drawing is preparation method's schema of black PVC cable sheath material of the present invention.
Embodiment
The present invention will be further explained below in conjunction with accompanying drawing.
As shown in drawings, be preparation method's schema of black PVC cable sheath material of the present invention.As we know from the figure, the preparation method of black PVC cable sheath material of the present invention is by mediating the PVC plastic grain, after the series of processes of extrusion molding and granulation, just can successfully making black PVC cable sheath material.
Embodiment 1
In kneading pot, add 0.3 part of each 100 parts of component PVC plastic grain, 2 parts in polyvinyl chloride resin powder, 1 part of dioctyl ester, 0.5 part of clorafin, 0.5 part of lead sulfate tribasic, 0.5 part of carbon black, 0.2 part of dihydroxyphenyl propane of following parts by weight and brightening agent, 90～100 ℃ of temperature controls stir; Send into extruding machine then, 140～180 ℃ of temperature controls, plasticizing is extruded; Then granulation, packing gets final product.
Employed PVC plastic grain is black particle or other colored particle, and its PVC weight content is 40%, its CaCO
3Weight content is 20%.
After testing, the prepared black PVC cable sheath material that goes out, every index meets the service requirements of each enterprise fully all above national standard.The index that detects has: tensile strength 〉=15.0MPa, and elongation at break 〉=180.0%, the low temperature brittleness impact temperature is-25 ℃, 20 ℃ of volume specific resistance 〉=1.0 * 10
8Ω m.200 ℃ of heat-stable time 〉=50Min.
Embodiment 2
In kneading pot, add 0.5 part of each 100 parts of component PVC plastic grain, 5 parts in polyvinyl chloride resin powder, 3 parts of dioctyl esters, 1.0 parts of clorafins, 1.0 parts of dibasic lead phosphites, 0.8 part of look mother, 0.3 part of dihydroxyphenyl propane of following parts by weight and polyethylene wax, 90～100 ℃ of temperature controls stir; Send into extruding machine then, 140～180 ℃ of temperature controls, plasticizing is extruded; Then granulation, packing gets final product.
Employed PVC plastic grain is black particle or other colored particle, and its PVC weight content is 45%, and its CaCO3 weight content is 25%.
After testing, the prepared black PVC cable sheath material that goes out, every index meets the service requirements of each enterprise fully all above national standard.The index that detects has: tensile strength 〉=15.0MPa, and elongation at break 〉=180.0%, the low temperature brittleness impact temperature is-25 ℃, 20 ℃ of volume specific resistance 〉=1.0 * 10
8Ω m.200 ℃ of heat-stable time 〉=50Min.
Embodiment 3
In kneading pot, add 0.4 part of each 100 parts of component PVC plastic grain, 3 parts in polyvinyl chloride resin powder, 2 parts of dioctyl esters, 0.8 part of clorafin, 0.8 part of liquid calcium zinc complexes, 0.7 part of carbon black, 0.25 part of dihydroxyphenyl propane of following parts by weight and paraffinum durum, 90～100 ℃ of temperature controls stir; Send into extruding machine then, 140～180 ℃ of temperature controls, plasticizing is extruded; Then granulation, packing gets final product.
Employed PVC plastic grain is black particle or other colored particle, and its PVC weight content is 50%, its CaCO
3Weight content is 22%.
After testing, the prepared black PVC cable sheath material that goes out, every index meets the service requirements of each enterprise fully all above national standard.The index that detects has: tensile strength 〉=15.0MPa, and elongation at break 〉=180.0%, the low temperature brittleness impact temperature is-25 ℃, 20 ℃ of volume specific resistance 〉=1.0 * 10
8Ω m.200 ℃ of heat-stable time 〉=50Min.
Embodiment 4
In kneading pot, add 0.35 part of each 100 parts of component PVC plastic grain, 4 parts in polyvinyl chloride resin powder, 2.5 parts of dioctyl esters, 0.7 part of clorafin, 0.9 part of lead sulfate tribasic, 0.6 part of look mother, 0.28 part of dihydroxyphenyl propane of following parts by weight and brightening agent, 90～100 ℃ of temperature controls stir; Send into extruding machine then, 140～180 ℃ of temperature controls, plasticizing is extruded; Then granulation, packing gets final product.
Employed PVC plastic grain is black particle or other colored particle, and its PVC weight content is 42%, its CaCO
3Weight content is 30%.
After testing, the prepared black PVC cable sheath material that goes out, every index meets the service requirements of each enterprise fully all above national standard.The index that detects has: tensile strength 〉=15.0MPa, and elongation at break 〉=180.0%, the low temperature brittleness impact temperature is-25 ℃, 20 ℃ of volume specific resistance 〉=1.0 * 10
8Ω m.200 ℃ of heat-stable time 〉=50Min.
Claims (4)
1. the preparation method of a black PVC cable sheath material is characterized in that, may further comprise the steps:
(1) in kneading pot, each component that adds following parts by weight: 0.3～0.5 part of 100 parts of PVC plastic grains, 2～5 parts in polyvinyl chloride resin powder, 1～3 part of dioctyl ester, 0.5～1.0 part of clorafin, 0.5～1.0 part of composite thermal stabilizer, carbon black or 0.5～0.8 part of look mother, 0.2～0.3 part of dihydroxyphenyl propane and lubricant, 90～100 ℃ of temperature controls stir; Wherein, composite thermal stabilizer is a kind of in lead sulfate tribasic, dibasic lead phosphite or the liquid calcium zinc complexes, and lubricant is a kind of in brightening agent, polyethylene wax or the paraffinum durum;
(2) step (1) product is sent into extruding machine, 140～180 ℃ of temperature controls, plasticizing is extruded;
(3) granulation, packing.
2. the preparation method of black PVC cable sheath material according to claim 1 is characterized in that, in the step (1), described PVC plastic grain is a black particle.
3. the preparation method of black PVC cable sheath material according to claim 1 is characterized in that, in the step (1), the PVC weight content of described PVC plastic grain is not less than 40%.
4. the preparation method of black PVC cable sheath material according to claim 1 is characterized in that, in the step (1), and the CaCO of described PVC plastic grain
3Weight content is not less than 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101116774A CN101781433B (en) | 2010-02-22 | 2010-02-22 | Preparation method of black PVC cable sheath material |
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| CN2010101116774A CN101781433B (en) | 2010-02-22 | 2010-02-22 | Preparation method of black PVC cable sheath material |
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| CN101781433A CN101781433A (en) | 2010-07-21 |
| CN101781433B true CN101781433B (en) | 2011-09-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555181A (en) * | 2010-12-27 | 2012-07-11 | 王松 | Preparation method of environment-friendly composite polyvinyl chloride (PVC) plastic profiles and installation method of corner wall protector |
| CN102604258A (en) * | 2012-02-23 | 2012-07-25 | 扬州市好年华橡塑有限公司 | Black 70 DEG C PVC (polyvinyl chloride) rodent-resistant cable sheath material |
| CN102585399A (en) * | 2012-02-23 | 2012-07-18 | 扬州市好年华橡塑有限公司 | Black 70 DEG C polyvinyl chloride (PVC) cable sheath material |
| CN102604257A (en) * | 2012-02-23 | 2012-07-25 | 扬州市好年华橡塑有限公司 | Black 70-DEG C PVC (Polyvinyl Chloride) termite-proof cable sheath material |
| CN102585400A (en) * | 2012-02-23 | 2012-07-18 | 扬州市好年华橡塑有限公司 | Black 70-DEG C PVC (polyvinyl chloride) ultraviolet screening agent cable sheath material |
| CN106188953A (en) * | 2016-07-25 | 2016-12-07 | 上海贝恩科电缆有限公司 | A kind of thin-walled light elevator trailing cable |
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Inventor after: Wei Jun Inventor after: Ma Yisheng Inventor after: Yao Guoan Inventor before: Ma Yisheng Inventor before: Yao Guoan Inventor before: Lu Wujun |
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Address after: 225000 No. 7 and No. 8, Chuangye Park, Lidian Town, Guangling District, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU HAO NIAN HUA POLYMER MATERIAL Co.,Ltd. Address before: 225106 Tianqiao Industrial Park, Lidian Town, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HAONIANHUA RUBBER CO.,LTD. |
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