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Inorganic powder additive-type flame retardant and preparation method thereof

An inorganic powder, additive technology, used in the field of flame retardants, can solve the problems of casualties, economic loss, etc., and achieve the effects of excellent thermal stability, maintenance of mechanical properties, and improved fluidity

Active Publication Date: 2011-12-28
深圳市联合鑫科技有限公司
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Problems solved by technology

At the same time, fires caused by the flammability of rubber and plastics, electronics, and building materials have also caused heavy casualties and huge economic losses to people.

Method used

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Embodiment Construction

[0023] A kind of inorganic powder additive flame retardant, its component comprises the SiO that weight ratio is 45% 2、 38% MgO, 2.19 % ZnO, 5.13 % Al 2 o 3、 1.3 % CuO and 8.38 % montmorillonite.

[0024] A kind of preparation method of inorganic powder additive type flame retardant, it comprises the following steps:

[0025] In the first step, SiO with a weight ratio of 45% 2 And the MgO of weight ratio 38% is put into a container, then injects silane in this container, utilizes silane to SiO 2 and MgO are activated, and then the container is sealed so that the SiO 2 and the MgO is isolated from the external environment;

[0026] It is worth noting that the SiO 2 And the time that the MgO is sealed in the container is no more than 24 hours, so as to prevent the silane from volatilizing and affecting the activation effect;

[0027] The second step is to preheat the high-speed mixer so that the temperature of the high-speed mixer is kept between 85 degrees and 95 degrees...

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Abstract

The invention provides an inorganic powder additive-type flame retardant and a preparation method thereof. The inorganic powder additive-type flame retardant comprises the following components in percentage by weight: 45 percent of SiO2, 38 percent of MgO, 2.19 percent of ZnO, 5.13 percent of Al2O3, 1.3 percent of CuO and 8.38 percent of montmorillonite. The inorganic powder additive-type flame retardant of the invention can have the effect of acid catalysis to perform a partial cross-linking reaction and carbonization on a system in a process of burning a high polymer, so a carbon coke protective layer is formed, volatile decomposers are prevented from leaking outwards and a shielding effect is achieved. Simultaneously the decomposing temperature of antimony halide oxide produced in a reaction process of a halogen flame retardant and Sb2O3 is reduced so as to assist in inflaming retarding.

Description

technical field [0001] The invention relates to a flame retardant, more specifically to an inorganic powder-added flame retardant and a preparation method thereof. Background technique [0002] After the 1950s, with the development of the polymer material industry, flame retardant materials such as rubber and plastic, electronics, and building materials have been more and more widely used in various fields of production and life. At the same time, fires caused by the flammability of rubber and plastics, electronics, and building materials have also caused heavy casualties and huge economic losses to people. Since the 1960s, some industrially developed countries have begun to produce and apply flame retardant materials. [0003] Flame retardant material is a kind of protective material. It is a material that can prevent burning but is not easy to burn. There are solid materials such as cement, steel, glass and other materials; there are liquid materials, also referred to as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K3/00C08K3/36C08K3/22C08K3/34C08K13/06C08K9/06
Inventor 欧阳德元
Owner 深圳市联合鑫科技有限公司
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