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Low-soluble-substance composite-hard-board PVC (Polyvinyl Chloride) protection sleeve

A technology for protecting sleeves and extractables, applied to plastic/resin/wax insulators, organic insulators, insulators, etc., can solve the problems of high friction coefficient of inner and outer pipe walls, unsatisfactory flame retardancy, and poor compressive strength, etc., to achieve High dielectric strength and volume resistivity, easy to use, good anti-aging performance

Inactive Publication Date: 2015-04-29
NINGXIA JINHUANGHE PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its shortcomings are poor compressive strength, which is still far behind the construction application requirements, and its flame retardant performance is not ideal; in addition, its Vicat softening temperature hovers around 90°C, and the friction coefficient of inner and outer pipe walls is large, which increases the construction efficiency. Difficulty of use

Method used

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Embodiment Construction

[0011] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0012] This specific embodiment adopts the following technical scheme: the PVC protective casing of low-leaching matter composite hard board, its formula is PVCSG-3 100g, plasticizer 50g, epoxy soybean oil 5g, chlorinated paraffin 8g, antimony oxide 5g, antimony It is made of 0.5g of oxygen agent, 5g of calcined clay, 10g of filler, 7g of stabilizer, 3g of light stabilizer, 30g of DOS and appropriate amount of internal and external slip agent.

[0013] It should be noted that the PVC is a mixture of PVC SG-3 and PVC SG-2.

[0014] It should be noted that the light stabilizer is a mixture of di-salt and tri-salt.

[0015] It is worth noting that the DOP is 10% and the DOS is 5%.

[0016] It should be noted that the plasticizer is a mixture of DOP...

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Abstract

The invention discloses a low-soluble-substance composite-hard-board PVC (Polyvinyl Chloride) protection sleeve. The low-soluble-substance composite-hard-board PVC protection sleeve is prepared from the raw materials by weight: 100g of PVC SG-3, 50g of a plasticizer, 5g of epoxidized soybean oil, 8g of chlorinated paraffin, 5g of antimony oxide, 0.5g of an antioxidant, 5g of calcined argil, 10g of filler, 7g of a stabilizer, 3g of a photostabilizer, 30g of DOS and a proper volume of internal and external lubricants. The low-soluble-substance composite-hard-board PVC protection sleeve disclosed by the invention has the advantages that the high-temperature resistance and ageing resistance are good, the product can adapt to high temperature resulting from overloaded short circuit during the use of a power cable, and a material has high insulation strength and volume resistivity; the product is good in flexibility and high in compressive strength and is resistant to uneven settlement, and cast concrete is not required to be enveloped at a construction site; the coefficient of friction of the surface of the internal wall is small, the use is facilitated, and the life of the product is long.

Description

technical field [0001] The invention relates to a cable casing, in particular to a PVC protective casing of a composite hard board with low extractables. Background technique [0002] At present, the cable casing for engineering is made of polyvinyl chloride resin as the main material, heavy calcium carbonate as the filler, and chlorinated polyethylene, paraffin and other small materials, and has certain corrosion resistance, high temperature resistance, flame retardancy, Insulation, wear resistance, light weight, no pollution and other characteristics. However, its shortcomings are poor compressive strength, which is still far behind the construction application requirements, and its flame retardant performance is not ideal; in addition, its Vicat softening temperature hovers around 90°C, and the friction coefficient of inner and outer pipe walls is large, which increases the construction efficiency. Difficulty of use. Contents of the invention [0003] Aiming at the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/02C08K5/1515C08K3/22C08K3/34H01B3/44H01B17/58
CPCC08L27/06C08L2201/08C08L2203/20C08L2205/025C08L2205/03H01B3/443H01B17/58C08L91/06C08K13/02C08K5/1515C08K3/2279C08K3/346C08K5/12
Inventor 荆致富
Owner NINGXIA JINHUANGHE PLASTIC IND