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Low-smoke density plastic composition and its preparation method and use

A technology of plastic composition and smoke density, applied in the polymer field, can solve the problems of limited application system of smoke suppressant, cannot reduce smoke density, etc., and achieve the effects of low smoke density, reduction of CO ratio, and smoke suppression CO ratio

Inactive Publication Date: 2013-07-31
KINGFA SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application system of the smoke suppressant in the prior art is limited, and it cannot reduce the smoke density and produce less toxic gas for all or most types of plastics at the same time.

Method used

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  • Low-smoke density plastic composition and its preparation method and use
  • Low-smoke density plastic composition and its preparation method and use
  • Low-smoke density plastic composition and its preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039] The preparation of plastic composition among the embodiment 1~7 is carried out as follows:

[0040] The thermosetting samples are prepared by adding resin, curing agent, and smoke suppressant to the container, stirring and mixing at high speed, pouring into a specific sheet metal mold, and heating and curing some types of samples.

[0041] The thermoplastic samples are prepared by mixing the resin with the smoke suppressant, extruding and granulating the resin at the processing temperature of the resin through a twin-screw extruder, and molding it into a sample of a specified size with an injection molding machine.

Embodiment 1

[0042] Embodiment 1 low smoke density epoxy resin

[0043] According to the ratio in Table 1, the low smoke density epoxy resin described in Example 1 was prepared.

[0044] Table 1

[0045]

Embodiment 2

[0046] Example 2 Low Smoke Density Polyurethane

[0047] According to the ratio in Table 2, the low-smoke density polyurethane described in Example 2 was prepared.

[0048] Table 2

[0049]

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PUM

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Abstract

The invention discloses a low-smoke density plastic composition and its preparation method and use. The low-smoke density plastic composition comprises a smoke-inhibition agent. The smoke-inhibition agent comprises at least one inorganic sulfur-containing compound containing sulfur atoms having positive four or more valences, and the at least one inorganic sulfur-containing compound is not a nonmetal sulfate or a nonmetal bisulfate. In combustion, the low-smoke density plastic composition has low smoke density and has a low carbon monoxide release ratio. The inorganic sulfur-containing compound as the smoke-inhibition agent is used for preparation of low-smoke density plastic. A lot of experiments prove that the at least one smoke-inhibition agent can produce obvious effects of inhibiting smoke and reducing a CO ratio, is not limited by a plastic system, can be used for different types of plastics, and has a wider use range than that of the existing smoke-inhibition agent.

Description

technical field [0001] The invention relates to the field of polymers, in particular to a plastic composition with low smoke density and its preparation method and application. Background technique [0002] The hazards of plastic burning come from the heat radiation brought by the flame on the one hand, and the toxic and harmful products generated during combustion on the other hand, especially the condensed aromatic hydrocarbons generated by incomplete oxidation. For the latter, researchers have carried out extensive research on the smoke suppression and low toxicity of plastics when they burn. For different types of thermoplastics, currently reported smoke suppression and low-toxicity schemes mainly include: 1. For polyolefins, a large amount of hydroxide is used to fill the scheme. Reduce smoke density; 2. For PVC and its alloys, use transition metal compounds such as ammonium octamolybdate, etc., the principle is to change the decomposition path of olefins, reduce its r...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L75/04C08L67/06C08L77/00C08L25/06C08L69/00C08L67/02C08L55/02C08K3/30
Inventor 许晶玮杜荣华程庆王林吴博郭涛
Owner KINGFA SCI & TECH CO LTD
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