Modified polypropylene insulation material and manufacturing method thereof

A polypropylene and insulating material technology, applied in the field of polypropylene insulating materials, can solve the problems of poor high and low temperature performance, poor thermal aging performance, etc., and achieve the effects of improving processing performance, improving thermal oxidative aging performance, and preventing catalytic aging.

Inactive Publication Date: 2014-02-19
天津市普立泰高分子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to overcome the disadvantages of poor high and low temperature performance and poor thermal aging performance of polypropylene itself, and to provide a modified polypropylene insulating material and its preparation method, which uses polypropylene as the basic raw material, by adding polypropylene Olefin elastomer resin improves the low-temperature performance of the material, adding thermoplastic hydrogenated styrene-butadiene rubber improves the high-temperature performance, adding antioxidant and anti-copper agent gives good thermal oxygen aging and copper oxidation resistance, adding rheology agent improves the processing performance of the material, the material It has a wide range of applications; a modified polypropylene insulating material and its preparation method are provided, and its long-term service temperature is -50 ° C ~ 105 ° C, which can meet the requirements of GB / T16750-2008 "submersible electric pump unit" and SY / T6600-2004 " Load-bearing detection cable" and other standard requirements

Method used

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  • Modified polypropylene insulation material and manufacturing method thereof
  • Modified polypropylene insulation material and manufacturing method thereof
  • Modified polypropylene insulation material and manufacturing method thereof

Examples

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preparation example Construction

[0014] The preparation method of the modified polypropylene insulating material of the present invention is characterized in that the raw materials are prepared and measured according to their respective parts by weight, put into a mixer and mixed uniformly, and then blended, filtered, extruded in a twin-screw extruder, The strips are then cooled in a water tank, dried by a blower, and then cut into granules by a granulator, and finally packaged to obtain the finished product.

[0015] The preparation method of the modified polypropylene insulating material of the present invention, wherein, the mixing time of the mixer is 5 to 10 minutes; the extruder is a twin-screw extruder with a diameter of 50 mm, and its extrusion temperature is 170 to 100 minutes. 210°C, the extrusion speed is 200 to 300 rpm; the temperature of the package after cooling is below 50°C.

Embodiment 1

[0017] Embodiment 1 and embodiment 2 are prepared according to the parts by weight of each component shown in table 1:

[0018] Table 1 is the parts by weight table of each component of the embodiment of the present invention

[0019]

[0020] The preparation of embodiment 1:

[0021] The raw materials described in Table 1 are prepared according to their respective parts by weight, and then put into a mixer and mixed evenly. The mixing time is 5 to 10 minutes, and then sent into a twin-screw extruder with a diameter of 50mm for blending, filtering, extrusion and pulling. Strips, the extrusion temperature is 170°C to 220°C, the extrusion speed is 200 rpm, then cooled in a cooling water tank, dried by a blower, and then entered into a pelletizer to cut into granules, and finally cooled to below 50°C for packaging , to get the finished product, such as figure 1 shown.

Embodiment 2

[0022] The preparation of embodiment 2:

[0023] The raw materials described in Table 1 are prepared according to their respective parts by weight, and then put into a mixer and mixed evenly. The mixing time is 5 to 10 minutes, and then sent into a twin-screw extruder with a diameter of 50mm for blending, filtering, extrusion and pulling. Strips, the extrusion temperature is 170°C to 210°C, the extrusion speed is 300 rpm, then cooled in a cooling water tank, dried by a blower, and then entered into a pelletizer to cut into granules, and finally cooled to below 50°C for packaging , to get the finished product.

[0024] Examples of the present invention are prepared as shown in Table 2 below:

[0025] Table 2 is the main performance requirements of the modified polypropylene insulating material prepared by the embodiment of the invention

[0026]

[0027] The modified polypropylene insulating material obtained in the embodiment of the present invention is pressed at a tempe...

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Abstract

The invention relates to a modified polypropylene insulation material and a manufacturing method thereof, and the modified polypropylene insulation material includes the following components by weight part: 70-80 parts of polypropylene resin, 10-15 parts of polyolefin elastomer resin, 10-15 parts of thermoplastic hydrogenation butadiene styrene rubber, 0.5 parts of anti-oxidant A, 0.3 parts of anti-oxidant B, 0.3 parts of an anticopper agent and 0.1 parts of a rheological agent. The manufacturing method includes the following steps: metering the raw materials according to weight parts and putting in a mixer for uniformly mixing, then sending to a double screw extruder for blending and extruding, filtering and drawing into strips, and then cooling through a water tank and drying, putting in a pelleter for cutting into particles, and then packaging to obtain the finished product. The insulation material has the advantages of good performance, good high-and-low temperature performance, high strength and low cost, and is capable of being used in insulation of telecommunication cable, detection cable and oil pump cable; the manufacturing method has the advantages of reasonable design and convenient operation.

Description

technical field [0001] The invention relates to a polypropylene insulating material used for communication cables, detection cables and oil pump cables and a preparation method thereof, in particular to a modified polypropylene insulation material and a preparation method thereof. Background technique [0002] Since the 1980s, with the rapid development of my country's national economy, the petroleum industry has become a pillar industry in my country, and the world economy is increasingly dependent on the petroleum industry. Oil and gas detection and oil extraction technologies continue to develop, oil field detection and electric submersible pump oil extraction technologies are widely used in the petroleum industry. As one of the essential technologies for oil and gas detection and electric submersible pump oil production, in the late 1980s, my country introduced the American submersible pump cable production technology, and the insulating material has been modified polypr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/00C08L23/08C08L15/00C08K5/20C08K5/372C08K5/24B29C47/92B29C48/92
CPCB29C47/92B29C48/92
Inventor 汪全信董景茹汪全伟
Owner 天津市普立泰高分子科技有限公司
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