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Inorganic flame retardant surface modification method

An inorganic flame retardant and surface modification technology, applied in the field of surface modification, can solve the problems of reducing material strength, insufficient reaction of flame retardant and coupling agent, and reduced reaction effect, so as to achieve rational utilization and improve flame retardant. effect of effect

Inactive Publication Date: 2013-08-28
SUZHOU NEW DISTRICT HUASHIDA ENG PLASTICS
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] Due to their strong polarity and hydrophilicity, inorganic flame retardants are frequently used in engineering plastic formulations. In applications, the flame retardant effect of inorganic flame retardants increases with the increase in addition, but the filling amount Too much will reduce the strength of the substance, so we add a certain coupling agent to the flame retardant for surface treatment to enhance the flame retardant effect, but the reaction between the flame retardant and the coupling agent is not sufficient to reduce the reaction effect, so a A hybrid approach to improve the situation

Method used

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Embodiment Construction

[0013] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0014] Embodiments of the present invention provide the following technical solutions.

[0015] In one embodiment, a method for surface modification of an inorganic flame retardant aluminum hydroxide, the steps include:

[0016] (1) Put the inorganic flame retardant aluminum hydroxide in the formula into the surface pretreatment device for stirring, heating and preheating;

[0017] (2) Add the coupling agent titanate in the formula into the organic solvent ethanol, fully stir and dissolve in the coupling agent container, and the rotation speed is 150~350 rpm;

[0018] (3) Spray the formula raw materials in the surface pretreatment device and the coupling agent container into the reaction contai...

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Abstract

The invention discloses an inorganic flame retardant surface modification method which comprises the following steps: filling an inorganic flame retardant in a surface pretreatment device for heating and preheating, adding a coupling agent into an organic solvent, dissolving the coupling agent in a container, spraying the dissolved coupling agent into a reaction container in the respective container in a high-pressure spraying mode, mounting a stirring rod for fully stirring in the reaction container, and fusing to obtain the surface modified inorganic flame retardant. According to the mode, the aluminum hydroxide and other inorganic flame retardants can be modified through surface treatment and are used for enhancing the adhesion force to polymers and improving the affinity to an interface, so that the dehydration reaction is finished in a certain temperature range.

Description

technical field [0001] The invention relates to a surface modification method, in particular to a surface modification method of an inorganic flame retardant. Background technique [0002] Due to their strong polarity and hydrophilicity, inorganic flame retardants are frequently used in engineering plastic formulations. In applications, the flame retardant effect of inorganic flame retardants increases with the increase in addition, but the filling amount Too much will reduce the strength of the substance, so we add a certain coupling agent to the flame retardant for surface treatment to enhance the flame retardant effect, but the reaction between the flame retardant and the coupling agent is not sufficient to reduce the reaction effect, so a A hybrid approach to improve this situation. Contents of the invention [0003] The main technical problem to be solved by the present invention is to provide a method for surface modification of inorganic flame retardants, which can...

Claims

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Application Information

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IPC IPC(8): C09C1/40C09C3/08
Inventor 徐春华
Owner SUZHOU NEW DISTRICT HUASHIDA ENG PLASTICS
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