A kind of stepped flame retardant plastic and preparation method thereof

A kind of flame-retardant plastic, step-type technology, applied in the field of step-type flame-retardant plastic and its preparation, can solve the problems of non-halogen flame-retardant materials such as dispersion, poor fluidity, and inability to provide multi-level flame-retardant effects, so as to achieve the improvement of mechanical properties Strength, improved compatibility, good flame retardant effect

Active Publication Date: 2019-10-18
FOSHAN YUEJIAXIN WIRE & CABLE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a stepped flame-retardant plastic and its preparation method, aiming at solving the problem of poor dispersion and fluidity of non-halogen flame-retardant materials in the prior art, which cannot provide multiple Defects of grade flame retardant effect

Method used

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  • A kind of stepped flame retardant plastic and preparation method thereof

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Effect test

Embodiment 1

[0084] A stepped flame-retardant plastic, the plastic base material is PVC, and includes the following components in parts by weight:

[0085] PVC 800 copies;

[0086] 30 parts of inorganic flame retardant powder;

[0087]3 parts of zinc borate;

[0088] Silica powder 2 parts;

[0089] Al(OH) 3 1 copy;

[0090] 1 part calcium carbonate;

[0091] 0.3 parts of polymer dispersant;

[0092] Auxiliary 0.3 part.

[0093] Wherein, the particle size of the silicon micropowder is 0.1-0.3 mm, and the silicon micropowder with a particle size of 0.1 μm is not less than 80%. The polymer dispersant is a liquid carboxy-terminated nitrile rubber modified epoxy resin. Described auxiliary agent is lubricant, and described lubricant is ethylene bis stearic acid amide. The inorganic flame retardant powder is prepared from an inorganic silicon-aluminum shell-forming material, and the inorganic silicon-aluminum shell-forming material includes the following components in parts by weight: ...

Embodiment 2

[0111] A stepped flame-retardant plastic, the plastic base material is PVC, and includes the following components in parts by weight:

[0112] 1200 copies of PVC;

[0113] 120 parts of inorganic flame retardant powder;

[0114] 8 parts of zinc borate;

[0115] 5 parts of silica powder;

[0116] Mg(OH) 2 2 copies;

[0117] 2 parts calcium carbonate;

[0118] 1.2 parts of polymer dispersant;

[0119] Auxiliary 2 parts.

[0120] Wherein, the particle size of the silicon micropowder is 0.1-0.3 μm, and the silicon micropowder with a particle size of 0.1 μm is not less than 80%. Described macromolecule dispersant is liquid terminal hydroxyl nitrile rubber modified epoxy resin, and described auxiliary agent comprises lubricant and thermal stabilizer, and described lubricant is 1 part of pentaerythritol stearate, and described thermal stabilizer It is a compound low-lead heat stabilizer of 1 part. The inorganic flame retardant powder is prepared from an inorganic silicon-alu...

Embodiment 3

[0135] A preferred step-type flame-retardant plastic, the plastic base material is PVC resin, including the following components in parts by weight:

[0136] PVC 1000 copies;

[0137] 100 parts of inorganic flame retardant powder;

[0138] 5 parts of zinc borate;

[0139] 3 parts of silica powder;

[0140] Smoke suppressant 1.57 parts;

[0141] 0.5 part of polymer dispersant;

[0142] 1.5 parts of calcium carbonate;

[0143] Auxiliary 0.5 parts.

[0144] Wherein, the particle size of the silicon micropowder is 0.1-0.3 μm, and the silicon micropowder with a particle size of 0.1 μm is not less than 80%. The smoke suppressant is 0.57 parts of Al(OH) 3 and 1.0 parts of Mg(OH) 2 , the polymer dispersant is silicone modified epoxy resin. The auxiliary agent includes 0.3 part of lubricant, 0.1 part of plasticizer and 0.1 part of heat stabilizer. The lubricant is ethylene bis stearic acid amide, the plasticizer is a phthalate compound, and the heat stabilizer is a composite ...

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Abstract

The invention discloses a step-type flame-retardant plastic and a preparation method thereof, which comprises the following components in parts by weight: 800-1200 parts of plastic, 30-120 parts of inorganic flame-retardant powder, 3-8 parts of zinc borate, silicon micropowder 2 to 5 parts, 1 to 2 parts of smoke suppressant, 1 to 2 parts of calcium carbonate, 0.3 to 1.2 parts of polymer dispersant, 0.3 to 2 parts of auxiliary agent; the preparation method includes the steps of: preparing inorganic flame retardant powder, Modification of flame retardant materials, preparation of composite flame retardant materials, preparation of flame retardant plastics. Through the stepped flame-retardant plastic and its preparation method provided by the present invention, the obtained plastic can form different flame-retardant shells at different temperatures, thereby having multi-level flame-retardant effects and forming stepped flame-retardant protection for plastic substrates.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a stepped flame-retardant plastic and a preparation method thereof. Background technique [0002] With the rapid development of polymer materials, electronics, electrical appliances, machinery, automobiles, ships, aerospace and chemical industries, plastic products are more and more widely used in various fields of people's life and production. At the same time, the flammability of plastics causes The fire also brought huge loss of life and property to people. In the prior art, flame retardant properties of plastics are usually improved by adding flame retardants. Flame retardants, also known as flame retardants, fire retardants or fire retardants, are functional materials that endow flammable polymers with flame retardancy. Plastic products processed by flame retardants can be effectively Prevent or terminate the spread of flame, so as to achieve flame retardant effe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L55/02C08L77/06C08L23/12C08L63/00C08K3/38C08K3/36C08K3/22C08K3/26C08K3/40
CPCC08K2003/2224C08K2003/2227C08K2003/265C08K2003/387C08L23/12C08L27/06C08L55/02C08L77/06C08L2201/02C08L63/00C08K3/38C08K3/36C08K3/22C08K3/26C08K3/40
Inventor 黄永忠黄健欣温晓辉黄俊刘继武
Owner FOSHAN YUEJIAXIN WIRE & CABLE
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