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Environment-friendly stabilizer with low processing temperature and simplicity in plasticization for wires and cables

A technology of environmental protection stabilizer and processing temperature, which is applied in the field of PVC production stabilizer, can solve the problems of cost increase and environmental protection stabilizer difficult to meet the requirements, and achieve energy saving, good stabilization effect and bright wire surface

Active Publication Date: 2015-05-06
广东森德利环保新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the processing temperature is increased, the stability requirements for the stabilizer are increased, so it is difficult for the environmentally friendly stabilizer to meet the requirements, or the cost will be greatly increased.

Method used

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  • Environment-friendly stabilizer with low processing temperature and simplicity in plasticization for wires and cables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 adopts following formula to prepare a kind of environment-friendly stabilizer for wire and cable with low processing temperature and easy plasticization: fatty acid calcium zinc composition 50kg, calcium stearate 20kg, antioxidant 1076 2kg, stearyl benzoylmethane 4kg , hydrotalcite 37.5kg, 2-oxazolidinone 61.5kg, calcium hydroxide 46.5kg; Adopt the following steps to prepare:

[0027] (1) Put each component into a high-speed mixer after weighing, and raise the temperature of the material to 65°C under high-speed stirring.

[0028] (2) Stir and cool in a cooling cylinder. When the temperature drops below 40°C, pack into bags to obtain a finished stabilizer.

[0029] Among them, the fatty acid calcium zinc composition is prepared according to the patent ZL201210258546.8:

[0030] (1) Put 1500kg of lauric acid and 350kg of 12-hydroxystearic acid into the reactor and heat;

[0031] (2) When heated to 120°C, add 18kg of adipic acid into the reactor, and slowly...

Embodiment 2

[0034] Embodiment 2 adopts following formula to prepare a kind of environment-friendly stabilizer for wire and cable with low processing temperature and easy plasticization: fatty acid calcium zinc composition 55kg, calcium stearate 12.5kg, antioxidant 1076 2kg, stearyl benzoylmethane 5.5kg, hydrotalcite 48kg, 2-oxazolidinone 9.8kg, magnesium hydroxide 21kg; adopt the following steps to prepare:

[0035] (1) Weigh each component and put it into a high-speed mixer, and raise the temperature of the material to 65°C under high-speed stirring;

[0036] (2) Put the material into the cold cylinder to stir and cool it, and when the temperature drops below 40°C, transport it to the horizontal mixer;

[0037] (3) Repeat step (1) and step (2) for 5 times, continue mixing the final mixed material in a horizontal mixer for 30 minutes, pack it into a bag, and obtain a finished stabilizer.

[0038] Among them, the fatty acid calcium zinc composition is prepared according to the patent ZL20...

Embodiment 3

[0043] Embodiment 3 adopts following formula to prepare a kind of environmental protection stabilizer for electric wire and cable that low processing temperature is easy to plasticize: embodiment 1 makes fatty acid calcium zinc composition 120kg, calcium stearate 70kg, antioxidant 1076 5kg, stearyl Benzoylmethane 15kg, hydrotalcite 80kg, 2-oxazolidinone 67kg, calcium hydroxide and magnesium hydroxide are prepared according to the mass ratio of 1:1 mixture 200kg; adopt the following steps to prepare:

[0044] (1) Weigh each component and put it into a high-speed mixer, and raise the temperature of the material to 65°C under high-speed stirring;

[0045] (2) Put the material into the cold cylinder to stir and cool it, and when the temperature drops below 40°C, transport it to the horizontal mixer;

[0046](3) Repeat step (1) and step (2) for 3 times, continue mixing the final mixed material in a horizontal mixer for 30 minutes, pack it into a bag, and obtain a finished stabilize...

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Abstract

The invention discloses an environment-friendly stabilizer with low processing temperature and simplicity in plasticization for wires and cables. The stabilizer is prepared from the following components by weight: 45-220kg of a fatty acid calcium-zinc composition, 10-100kg of calcium stearate, 1-10kg of an antioxidant 1076, 3-21kg of stearoylbenzoylmethane, 30-100kg of hydrotalcite, 5-120kg of 2-oxazolidinone and 20-200kg of inorganic hydroxides. The stabilizer disclosed by the invention is used for manufacturing wire and cable colloidal particles, the processing temperature of the stabilizer is 20-30 DEG C lower than that of a compound lead stabilizer, the temperature of each section can be controlled to be 120-130 DEG C for a conical twin-screw extruder, and the energy can be saved; the colloidal particles are good in plasticization, and the wire surface is bright; and moreover, the produced colloidal particle Congo red time is longer than or equal to 60 minutes, and the product is excellent in humidity resistance, particularly is not separated out on a black wire, is good in flowing property and suitable for highly filling wires and also can be applied to medium / low-temperature wires specified in GB8815.

Description

technical field [0001] The invention relates to a PVC production stabilizer, in particular to an environment-friendly stabilizer for electric wires and cables which is easily plasticized at a low processing temperature. Background technique [0002] PVC (polyvinyl chloride) is one of the most widely used general-purpose plastics. In the wire and cable industry, PVC materials have been used for a long time due to their low manufacturing cost, excellent mechanical properties, good processing performance, corrosion resistance, and insulation. Materials have been widely used in the wire and cable industry. [0003] The stability of PVC material is a key factor affecting the quality of PVC products. Therefore, PVC stabilizers are usually added during the processing and preparation of PVC to improve its stability, so as to obtain high-quality and high-performance PVC products. PVC stabilizers mainly include lead salts, organotins, metal soaps and rare earths, etc. Among them, lea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/02C08K3/26C08K5/098C08K5/134C08K3/22C08K5/3415C08K5/07
CPCC08K3/22C08K3/26C08K5/098C08K5/1345C08K5/353C08K13/02C08K2003/2206C08K2201/014C08L27/06
Inventor 徐军邱丽玲陈肇汉
Owner 广东森德利环保新材料科技有限公司
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