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Phenolic resin composite material for manufacturing cable support and preparation method thereof

A technology of phenolic resin and composite materials, applied in the direction of pipeline supports, mechanical equipment, pipes/pipe joints/pipe fittings, etc., can solve the problems of low glass fiber content, environmental pollution, and fire performance that cannot meet the requirements, and achieve high flame retardancy Sexuality, low calorific value effect

Inactive Publication Date: 2009-12-02
洛阳双瑞橡塑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The currently used cable supports for subways are mainly made of unsaturated polyester SMC sheets, which have low glass fiber content and fail to meet the requirements in terms of fire resistance.
In addition, during the preparation process, a certain amount of styrene is released, which pollutes the environment and affects human health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add 4g of zinc stearate to 400g of phenolic resin, stir evenly, then add 600g of aluminum hydroxide and 4g of active magnesium oxide into the phenolic resin and stir evenly to make phenolic resin glue. Make 2992g non-alkali glass fiber continuously pass through the impregnation tank containing phenolic resin by traction, control the content of sizing and wettability of the non-alkali glass fiber by squeezing rollers, and then cover the upper and lower sides with polyethylene film and roll it up Take it into a roll, and put it in an oven at 50±5°C for 24 hours to make a unidirectional reinforced molding compound of phenolic resin composite material. According to the size of different areas of the mold structure, the phenolic resin composite material unidirectional reinforced molding material is cut into corresponding sizes, and according to the structure of different areas of the mold, the phenolic resin composite material unidirectional reinforced molded material of the ...

Embodiment 2

[0027] Add 120g of zinc stearate into 1600g of phenolic resin, stir evenly, then add 600g of aluminum hydroxide and 40g of active magnesium oxide into the phenolic resin and stir evenly to make phenolic resin glue. 1640g non-alkali glass fiber is continuously passed through the impregnation tank containing phenolic resin by traction, the content of fiber sizing and the wettability of the sizing material are controlled by squeezing rollers, and then the upper and lower sides are covered with polyethylene film and rolled into rolls , placed in a 50±℃ oven for 24 hours to prepare phenolic resin composite unidirectional reinforced molding material. According to the size of different areas of the mold structure, the phenolic resin composite material unidirectional reinforced molding material is cut into corresponding sizes, and according to the structure of different areas of the mold, the phenolic resin composite material unidirectional reinforced molded material of the correspondi...

Embodiment 3

[0029] Add 80g of zinc stearate into 1000g of phenolic resin, stir evenly, then add 800g of aluminum hydroxide and 40g of active magnesium oxide into the phenolic resin in turn, stir evenly, and make phenolic resin glue. Through traction, 2080g of alkali-free glass fiber is continuously passed through the impregnation tank containing phenolic resin, and passed through a pressing roller to control the content of fiber sizing and the wettability of the sizing material. Then, the upper and lower sides are covered with polyethylene film and rolled into a roll. After aging in an oven at 50°C for 24 hours, the unidirectional reinforced molding compound of phenolic resin composite material was obtained. According to the size of different areas of the mold structure, the phenolic resin composite material unidirectional reinforced molding material is cut into corresponding sizes, and according to the structure of different areas of the mold, the phenolic resin composite material unidire...

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Abstract

The invention relates to a phenolic resin composite material for manufacturing a cable support and a preparation method thereof. The preparation method comprises the following steps: adding zinc stearate into phenolic resin and stirring the mixture evenly; adding a fire retardant and a thickening agent in turn to prepare phenolic resin glue solution; passing reinforcing fibers through a phenolic resin glue solution steeping vat, then extruding out part of the resin, covering a polyethylene film on the upper surface and the lower surface of the resin, and coiling the resin into a coil; putting the resin into a baking oven to cure for 24 hours at a temperature of 50+ / -5 DEG C so as to prepare a one-way reinforced die pressing material of the phenolic resin composite material; cutting the one-way reinforced die pressing material of the phenolic resin composite material into corresponding sizes for weighing according to different regional sizes of a die structure; putting the one-way reinforced die pressing material into a die cavity when the temperature of the die cavity is between 130 and 150 DEG C until the die cavity is fully filled, and closing the die; and under the condition of a die pressing pressure of between 7 and 12 MPa, performing deflation twice in the die closing curing process, and taking the one-way reinforced die pressing material out of the die after 20 to 25 minutes to obtain the phenolic resin composite material cable support. The phenolic resin composite material has the advantages of low calorific value, high fire retardance, excellent insulating property, and high strength and corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of composite materials, in particular to a phenolic resin composite material for making cable supports used in subway cable supports and a preparation method thereof. Background technique [0002] Cable brackets made of metal have been used for erecting cables for a long time. However, metal cable brackets are prone to corrosion in the subway environment, which poses a safety hazard to subway operations. The use of polymer composite materials can effectively solve the corrosion problem of metal supports in subway tunnels. [0003] Since the composite material cable support for subway is used in a semi-enclosed tunnel environment, it must meet the requirements of fire prevention, low smoke and non-toxicity. Trends in stent development. [0004] The currently used cable supports for subways are mainly made of unsaturated polyester SMC sheets, which have low glass fiber content and fail to meet the requireme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08K13/04C08J5/04F16L3/00B29C43/58
Inventor 闫作为蔡斌魏军光郭冬梅曾飞
Owner 洛阳双瑞橡塑科技有限公司
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