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Flame-retardant plastic thread groove and a manufacturing process thereof

A technology of flame-retardant plastics and trunking, applied in the direction of fire-resistant coatings, electrical components, etc., can solve the problems of fire spread and easy ignition of trunking, and achieve the effect of increasing escape paths and improving smoke suppression performance

Inactive Publication Date: 2019-01-22
镇江朝阳机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing trunking is made of ordinary plastic materials. Once a fire occurs, the trunking is easy to catch fire, causing the fire to spread rapidly

Method used

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  • Flame-retardant plastic thread groove and a manufacturing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A flame-retardant plastic trunking provided in this embodiment includes a trunking body, and the surface of the trunking body is sequentially provided with an inner flame-retardant coating, a heat-absorbing layer and an outer flame-retardant coating.

[0024] The coating of the outer flame retardant coating comprises the following components by weight: 45 parts of polyvinyl acetate emulsion, 75 parts of ammonium polyphosphate, 35 parts of melamine, 8 parts of graphene oxide aqueous suspension of 2g / L, micro 0.35 parts of crystal paraffin, 0.35 parts of silicone defoamer, 0.35 parts of acrylic leveling agent, and 0.35 parts of propylene glycol methyl ether acetate.

[0025] The coating preparation method of the outer flame retardant coating is as follows:

[0026] S1. Add the graphene oxide aqueous suspension into the polyvinyl acetate emulsion, and mix evenly for 45 minutes to obtain a mixed emulsion;

[0027] S2. Stir the deionized water, ammonium polyphosphate, melam...

Embodiment 2

[0033] A flame-retardant plastic trunking provided in this embodiment includes a trunking body, and the surface of the trunking body is sequentially provided with an inner flame-retardant coating, a heat-absorbing layer and an outer flame-retardant coating.

[0034] The coating of the outer flame retardant coating comprises the following components by weight: 53 parts of polyvinyl acetate emulsion, 82 parts of ammonium polyphosphate, 39 parts of melamine, 9 parts of graphene oxide aqueous suspension of 2g / L, micro 0.40 parts of crystal paraffin, 0.40 parts of silicone defoamer, 0.40 parts of acrylic leveling agent, and 0.40 parts of propylene glycol methyl ether acetate.

[0035] The coating preparation method of the outer flame retardant coating is as follows:

[0036] S1. Add the graphene oxide aqueous suspension into the polyvinyl acetate emulsion, and mix evenly for 55 minutes to obtain a mixed emulsion;

[0037] S2. Stir the deionized water, ammonium polyphosphate, melam...

Embodiment 3

[0043] A flame-retardant plastic trunking provided in this embodiment includes a trunking body, and the surface of the trunking body is sequentially provided with an inner flame-retardant coating, a heat-absorbing layer and an outer flame-retardant coating.

[0044] The coating of the outer flame retardant coating comprises the following components by weight: 60 parts of polyvinyl acetate emulsion, 90 parts of ammonium polyphosphate, 40 parts of melamine, 10 parts of graphene oxide aqueous suspension of 2g / L, micro 0.45 parts of crystal paraffin, 0.45 parts of silicone defoamer, 0.45 parts of acrylic leveling agent, and 0.45 parts of propylene glycol methyl ether acetate.

[0045] The coating preparation method of the outer flame retardant coating is as follows:

[0046] S1, adding the graphene oxide aqueous suspension into the polyvinyl acetate emulsion, and uniformly mixing for 60 minutes to obtain a mixed emulsion;

[0047] S2. Stir the deionized water, ammonium polyphosph...

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Abstract

The invention discloses a flame-retardant plastic thread groove, relating toethe technical field of wire systems. The groove includes a wire groove body, A surface of that wire groove body is sequentially provide with an internal flame retardant coating, heat-absorbing layer and outer flame-retardant coating, The coating for the outer flame retardant coating comprises the following components in parts by weight: 45 to 60 part of polyvinyl acetate emulsion, 75-90 part of ammonium polyphosphate, 35-40 parts of melamine, 8-10 part of graphene oxide aqueous suspension, 0. 35-0.45 part of dispersant, 0. 35-0.45 part of defoaming agent, 0. 35-0.45 part of leveling agent and 0.35-0.45 part of film forming aid. graphene oxide is added into the intumescent flame retardant system, the orientation ofthe polymer molecular chain and the production of a skeleton substance are induced when the paint is thermally expand, so that the carbon layer is remarkably strengthened and the flame retardant effect is exerted. The invention can not only improve the heat resistance of the plastic, but also improve the flame retardant performance.

Description

technical field [0001] The invention relates to the technical field of wiring systems, in particular to a flame-retardant plastic trunking and a manufacturing process. Background technique [0002] Wire slots are mostly used in distribution boxes to sort out complicated lines. Most of the existing trunkings are made of ordinary plastic materials. Once a fire occurs, the trunking is easy to catch fire, causing the fire to spread rapidly. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a flame-retardant plastic trunking, which includes a trunking body. The surface of the trunking body is sequentially provided with an inner flame-retardant coating, a heat-absorbing layer and an outer flame-retardant coating. The outer flame-retardant coating The coating includes the following components in parts by weight: 45-60 parts of polyvinyl acetate emulsion, 75-90 parts of ammonium polyphosphate, 35-40 parts of melamine...

Claims

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Application Information

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IPC IPC(8): H02G3/04C09D131/04C09D5/18
Inventor 朱朝平
Owner 镇江朝阳机电科技有限公司
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