CN101781435B - Heat-resistant polyvinyl chloride wire cable insulating material and preparation method thereof - Google Patents
Heat-resistant polyvinyl chloride wire cable insulating material and preparation method thereof Download PDFInfo
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- CN101781435B CN101781435B CN201010119948.0A CN201010119948A CN101781435B CN 101781435 B CN101781435 B CN 101781435B CN 201010119948 A CN201010119948 A CN 201010119948A CN 101781435 B CN101781435 B CN 101781435B
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Abstract
A kind of heat-resistant polyvinyl chloride wire cable insulating material and preparation method thereof, described wire cable insulating material forms primarily of the component of following parts by weight: polyvinyl chloride 50-100 part, calcium carbonate 20-50 part, softening agent 40-70 part, antimonous oxide 1-3 part, stablizer 5-15 part, kaolin 5-16 part, processing aid 0.5-1.5 part.Described heat-resistant polyvinyl chloride wire cable insulating material is made by twin screw extruder granulation.
Description
Technical field
The present invention relates to a kind of wire cable material and preparation method thereof, be specifically related to a kind ofly be applicable to the supply lead of household electrical appliance and spare part thereof or the heat-resistant polyvinyl chloride wire cable insulating material of wire and preparation method thereof.
Background technology
Current Household Appliance source line or wire have means suitable high temperature resistant, as used UL105 degree or VDE90 degree polyvinyl chloride electrical wire and cable, the sizing material that particularly VDE90 degree electric wire is corresponding was required to meet the baking oven for heating of 135 degree after 14 days, tensile strength retention rate and elongation strengths retention rate are between ± 25%, and 200 DEG C of heat-resisting Congo red test requests of static state are greater than 240 minutes, in current industry, major part is by reducing filler and the consumption increasing stablizer or the softening agent selecting resistance toheat also higher than TOTM (trioctyl trimellitate), as straight chain type TOTM, there is the W-750 (i.e. nTOTM) etc. of large Japanese ink chemical industry in producer, carry out granulation, also part producer is had to adopt the polyvinyl chloride (PVC) RESINS of macromolecule, be 1700 replacement molecular-weight average as selected molecular-weight average be that the polyvinyl chloride (PVC) RESINS of 1300 is to increase thermotolerance, these two kinds of modes are adopted to improve the thermotolerance of wire cable material, cost all can raise, price improves the sales volume affecting product, price is low affects manufacturer's development, causes many manufacturers product to be used inferior materials and turned out substandard goods when making wire cable material, aging or Congo red test failure frequency is the highest during the sampling of market.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide and a kind ofly can meet the requirements such as 135 degree of 14 days aging and 240 minutes static state is heat-resisting, again the wire cable material that raises the cost of little amplitude.
For realizing above object, technical scheme of the present invention is:
A kind of heat-resistant polyvinyl chloride wire cable insulating material, the main composition of described CABLE MATERIALS and content are: (following component concentration is with weight parts)
Polyvinyl chloride 50-100 part
Calcium carbonate 20-50 part
Softening agent 40-70 part
Antimonous oxide 1-3 part
Stablizer 5-15 part
Kaolin 5-16 part
Processing aid 0.5-1.5 part
Wherein:
(1) described softening agent is trioctyl trimellitate;
(2) described stablizer is heat-resisting 180 DEG C, 30 minutes non-discoloring calcium zinc stabilizers of film and resistance to 200 DEG C, and the mixture of the calcium zinc stabilizer of the 300 minutes constant indigo plant of congo-red test paper, its blending ratio is 1: 4 ~ 1: 7.
Also do perfect further by following technical scheme:
Described polyvinyl chloride prioritizing selection molecular-weight average is the polyvinyl chloride of 1300.
Water-ground limestone more than described calcium carbonate prioritizing selection 2500 order and the mixture of nano level light calcium carbonate.
Described antimonous oxide prioritizing selection antimonous oxide content is greater than more than 99.8% high purity Sb 2 O 3.
Described processing aid is in three kinds, stearic acid, low molecular weight polyethylene wax and oxidation inhibitor two or three.
The kaolin through the process of calcining rear surface that described kaolin prioritizing selection more than 95% particle diameter is less than 2 microns
7, the preparation method of heat-resistant polyvinyl chloride wire cable insulating material according to claim 1, it is characterized in that the heat-resistant polyvinyl chloride wire cable insulating material according to right 1 ~ 6, its step prepared is:
The preparation method of heat-resistant polyvinyl chloride wire cable insulating material of the present invention is:
The first step, after being prepared by the material in described composition of raw materials, joins in mixing machine mix polyvinyl chloride, calcium carbonate, softening agent, antimonous oxide, stablizer, kaolin, processing aid according to respective parts by weight;
Second step, extruding pelletization in twin screw extruder.Wherein, the diameter of twin screw extruder is 150MM, and prilling temperature is 140-180 DEG C, and extruded velocity is 40 revs/min.
Adopt the main physical properties of the cable (Insulation Material for H05V2-K) of heat-resistant polyvinyl chloride wire cable insulating material of the present invention as follows: (thermal ageing condition: 135 DEG C × 336 hours)
Hardness SHOREA (ASTMD2240) 86-90A
Tensile strength (VDE0281) >=15MPa
Elongation (VDE0281) >=150%
Change rate of strength (VDE0281) ± 25%
Elongation change rate (VDE0281) ± 25%
Insulation resistance (VDE0281) >=0.01M Ω .KM
Heat-stable time (Congo red) (VDE0281) >=240 minute
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.In following examples, be raw materials usedly commercially available industrial goods.
Embodiment 1 ~ 4:
Embodiment 1 ~ 4 is prepared according to weight part shown in component each in table 1.
Table 1
| Project | Implement 1 | Implement 2 | Implement 3 | Implement 4 |
| Polyvinyl chloride | 50 | 50 | 50 | 50 |
| Water-ground limestone | 5 | 12.5 | 12.5 | 12.5 |
| Nano activated calcium carbonate | 5 | 15 | 15 | 15 |
| Trioctyl trimellitate | 26 | 28 | 28 | 28 |
| Resistance to Congo red constant colour pattern calcium zinc stabilizer | 6 | 1.5 | 6 | 1.5 |
| Heat-resisting constant colour pattern calcium zinc stabilizer | 1 | 2 | 1 | 2 |
| Antimonous oxide | 1.5 | 2 | 1.8 | 1.8 |
| Kaolin | 3 | 3 | 2.5 | 2.5 |
| PE wax | 0.3 | 0.4 | 0.3 | 0.3 |
| Stearic acid | 0.3 | 0.2 | 0.3 | 0.3 |
| Oxidation inhibitor | 0.1 | 0.1 | 0.1 | / |
Preparation method:
Material to be joined after the mixing of mixing machine high speed extruding pelletization in twin screw extruder according to the parts by weight in formula table.Wherein, mixing machine capacity is 500 liters, and the diameter of twin screw extruder is 150MM, and prilling temperature is 140-180 DEG C, and extruded velocity is 40 revs/min.
The supply lead performance adopting CABLE MATERIALS of the present invention to obtain (squeeze line machine to be diameter be the singe screw electric wire forcing machine of 90MM, extrusion temperature is 160-180 DEG C, and speed is 80 ms/min) as shown in table 2.
Comparative example:
Preparation method: by polyvinyl chloride 50 parts, nano activated calcium carbonate 7.5 parts, trioctyl trimellitate 26 parts, resistance to Congo red constant colour pattern calcium zinc stabilizer 8 parts, antimonous oxide 1.5 parts, kaolin 6 parts, 0.4 part, PE wax join mixing machine high speed mixing after in twin screw extruder extruding pelletization.Wherein, mixing machine capacity is 500 liters, and the diameter of twin screw extruder is 150MM, and prilling temperature is 140-180 DEG C, and extruded velocity is 40 revs/min.The product performance obtained are as shown in table 2.
Embodiment performance
Table 2
| Project | Detection method | Implement 1 | Implement 2 | Implement 3 | Implement 4 | Comparative example |
| Hardness SHORE A | ASTM D2240 | 89 | 86 | 87 | 86 | 89 |
| Tensile strength (N/MM 2) | VDE0281 | 18.4 | 16.5 | 18 | 17.2 | 18.5 |
| Elongation (%) | VDE0281 | 280 | 260 | 276 | 252 | 320 |
| Change rate of strength (%) | VDE0281 | 9 | 17 | 11 | 22 | 33 |
| Elongation change (%) | VDE0281 | -7 | -19 | -15 | -23 | -27 |
| Insulation resistance (M Ω .KM) | VDE0281 | 0.143 | 0.083 | 0.059 | 0.076 | 0.189 |
| Heat-stable time (minute) | VDE0281 | 500 | 300 | 480 | 260 | 550 |
Note: thermal ageing condition: 135 DEG C × 336 hours, Congo red thermal stable temperature: 200 DEG C.
As can be seen from Table 2, the CABLE MATERIALS prepared by technology of the present invention is compared with the CABLE MATERIALS in comparative example, the variation in tensile strength of the electric wire adopting CABLE MATERIALS of the present invention to make and elongation change are between ± 25%, and heat-stable time is greater than 240 minutes, meet the requirement of tensile strength retention rate in VDE0281, elongation strengths retention rate and 200 DEG C of heat-resisting Congo red tests of static state completely, and cost is lower.
Above-mentioned making method and formula just illustrate technical thought of the present invention and feature; its objective is and allow the personage being familiar with this technology understand content of the present invention and to implement; the equivalence change done of with good grounds the present invention spirit, all should be encompassed within protection scope of the present invention.
Claims (1)
1. a heat-resistant polyvinyl chloride wire cable insulating material, is characterized in that, each component concentration of described wire cable insulating material is with weight parts, and main composition and the content of each component of wire cable insulating material are:
Polyvinyl chloride 50 parts;
Water-ground limestone 5 parts;
Nano activated calcium carbonate 5 parts;
Trioctyl trimellitate 26 parts;
Resistance to Congo red constant colour pattern calcium zinc stabilizer 6 parts;
Heat-resisting constant colour pattern calcium zinc stabilizer 1 part;
Antimonous oxide 1.5 parts;
Kaolin 3 parts;
0.3 part, PE wax;
Stearic acid 0.3 part;
0.1 part, oxidation inhibitor;
Described resistance to Congo red constant colour pattern calcium zinc stabilizer is heat-resisting 200 DEG C, the calcium zinc stabilizer of the 300 minutes constant indigo plant of congo-red test paper;
Described heat-resisting constant colour pattern calcium zinc stabilizer is heat-resisting 180 DEG C, 30 minutes non-discoloring calcium zinc stabilizers of film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010119948.0A CN101781435B (en) | 2010-03-02 | 2010-03-02 | Heat-resistant polyvinyl chloride wire cable insulating material and preparation method thereof |
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| CN201010119948.0A CN101781435B (en) | 2010-03-02 | 2010-03-02 | Heat-resistant polyvinyl chloride wire cable insulating material and preparation method thereof |
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| CN101781435A CN101781435A (en) | 2010-07-21 |
| CN101781435B true CN101781435B (en) | 2016-01-20 |
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| CN102456432B (en) * | 2010-10-29 | 2013-08-21 | 嘉兴市天信电线有限公司 | Lead for ultrasonic welding and preparation method thereof |
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| BR102013011036B1 (en) * | 2013-05-03 | 2021-09-08 | 3M Innovative Properties Company | HIGH TEMPERATURE RESISTANT INSULATION ADHESIVE MATERIAL; COMPOSITION OF THE SUBSTRATE OF SUCH INSULATING ADHESIVE MATERIAL RESISTANT TO HIGH TEMPERATURE |
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| CN112194861A (en) * | 2020-09-25 | 2021-01-08 | 镇江市华银仪表电器有限公司 | Polyvinyl chloride cable material |
| CN112646287B (en) * | 2020-12-11 | 2023-01-06 | 长春捷翼汽车零部件有限公司 | PVC material and preparation method thereof |
| CN114133680B (en) * | 2021-12-02 | 2023-04-18 | 湖南湘鹤集团电缆科技股份有限公司 | PVC material and preparation method and application thereof for wires or cables |
| CN114196130A (en) * | 2021-12-02 | 2022-03-18 | 乐庭电线工业（惠州）有限公司 | 135 ℃ resistant polyvinyl chloride automobile wire sizing material, preparation method thereof and cable |
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