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Chlorinated polyvinyl chloride (CPVC) cable conduit

A cable wire and weighing technology, which is applied in the direction of circuits, electrical components, insulators, etc., can solve the problems of performance degradation, molecular chain breakage, product aging, etc., and achieve the effects of improving service life, simple preparation process, and low cost

Active Publication Date: 2014-04-16
CHENGDU INFOEASY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the CPVC cable conduits currently used in the market cannot be directly exposed to the air. The CPVC cable conduits are prone to molecular chain breakage under the action of light, oxygen, and heat. After one year of use in the open air, they will start to change color and age. , the product is aging, and the performance is reduced, which limits the service life and scope of application of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Weigh PVC25 kg, CPVC30kg, calcium carbonate 5kg, stabilizer lead dibasic phosphite 3kg, calcium stearate 0.3kg, lead stearate 0.3kg, stearic acid 0.5kg, paraffin 0.5kg, impact modifier Add 1kg of ACR (provided by Zibo Plastic Chemical Industry Co., Ltd.), 1kg of antioxidant 2,6-tertiary butyl-4-methylphenol, 1kg of ultraviolet absorber UV-531 and 1kg of light shielding agent carbon black In the mixer, stir evenly. According to the conventional production process of CPVC cable conduit, the uniformly mixed raw materials are put into the hopper with a vacuum feeder. After the barrel and the mold are heated and plasticized, they are extruded from the mold, vacuum shaped, and finally cooled and shaped. Obtain CPVC cable conduit, barrel temperature 150-180, mold temperature 160-180.

Embodiment 2

[0019] Weigh PVC28 kg, CPVC35kg, calcium carbonate 7kg, stabilizer lead dibasic phosphite 4kg, calcium stearate 0.6kg, lead stearate 0.6kg, stearic acid 0.7kg, paraffin 0.8kg, impact modifier Add 2kg of ACR (provided by Zibo Plastic Chemical Industry Co., Ltd.), 2kg of antioxidant 2,6-tertiary butyl-4-methylphenol, 2kg of ultraviolet absorber UV-531 and 2kg of light shielding agent carbon black In the mixer, stir evenly. According to the conventional production process of CPVC cable conduit, the uniformly mixed raw materials are put into the hopper with a vacuum feeder. After the barrel and the mold are heated and plasticized, they are extruded from the mold, vacuum shaped, and finally cooled and shaped. Obtain CPVC cable conduit, barrel temperature 150-180, mold temperature 160-180.

Embodiment 3

[0021] Weigh PVC30 kg, CPVC40kg, calcium carbonate 10kg, stabilizer dibasic lead phosphite 5kg, calcium stearate 1kg, lead stearate 1kg, stearic acid 1kg, paraffin 1kg, impact modifier ACR (by Zibo (provided by Plastic Industry Co., Ltd.) 3kg, antioxidant 2, 6-tertiary butyl-4-methylphenol 3kg, ultraviolet absorber UV-531 3kg and light shielding agent carbon black 3kg were added to the mixer in sequence, and stirred Uniform, according to the conventional production process of CPVC cable conduit, that is, the uniformly mixed raw materials are put into the hopper with a vacuum feeder, after being heated and plasticized by the barrel and mold, extruded from the mold, vacuum shaped, and finally cooled and shaped to obtain CPVC cable wire Tube, barrel temperature 150-180, mold temperature 160-180.

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Abstract

The invention provides a chlorinated polyvinyl chloride (CPVC) cable conduit, which is characterized in that the conduit is made from the following ingredients by weight: 25-30 parts of polyvinyl chloride (PVC), 30-40 parts of CPVC, 5-10 parts of calcium carbonate, 3-5 parts of a stabilizer, 0.3-1.0 part of calcium stearate, 0.3-1.0 part of lead stearate, 0.5-1.0 part of stearic acid, 0.5-1.0 part of paraffin, 1-3 parts of acrylic resin (ACR) as an impact modifier, 1-3 parts of an antioxidant, 1-3 parts of an ultraviolet absorber, and 1-3 parts of a light-screening agent. The cable conduit provided by the invention is low in cost and simple in preparation process, and has UV protection and anti-aging characteristics, so that the life of CPVC cable conduit exposed to air is greatly improved.

Description

technical field [0001] The invention relates to a new type of CPVC pipe used for cable threading and protection, in particular to a CPVC cable conductor which has the characteristics of anti-ultraviolet and anti-aging and can improve the service life of the pipe through the improvement of the existing formula Tube. Background technique [0002] CPVC cable conduit is widely used because of its good mechanical properties, friction resistance, corrosion resistance and convenient processing. However, the CPVC cable conduits currently used in the market cannot be directly exposed to the air. The CPVC cable conduits are prone to molecular chain breakage under the action of light, oxygen, and heat. After one year of use in the open air, they will start to change color and age. , The product is aging and its performance is reduced, thus limiting the service life and scope of application of the product. Contents of the invention [0003] In view of the above disadvantages, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/24C08L27/06C08K13/02C08K3/26C08K5/098C08K3/04C08K3/22H01B17/58H01B19/00
Inventor 彭国宾刘江
Owner CHENGDU INFOEASY TECH
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