Phosphorated-crosslinked-graphene flame-retardant composite material and preparation method thereof

A flame-retardant composite material and graphene technology, applied in the field of materials, can solve problems such as agglomeration, affecting the stability and strength of finished products, and poor flame retardancy, and achieve the effects of improving stability, strength, flame retardancy, and dispersion

Inactive Publication Date: 2017-07-25
商立华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a phosphating cross-linked graphene flame-retardant composite material and its preparation method in view of the problems that traditional inorganic additives are easy to cause agglomeration between polyvinyl chloride, which affects the stability and strength of the finished product, and poor flame retardancy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of phosphating cross-linked graphene flame retardant composite material, it is made up of the raw material of following weight part:

[0020] Dodecyl mercaptan 1, diisocyanate 0.2, ammonium polyphosphate 7, phosphorus oxychloride 3, phenol 7, graphene oxide 25, trimethylolpropane 1, 2,4-dimethylphenol 20, trichloro Aluminum 0.1, triallyl isocyanurate 0.4, polyvinyl chloride 120.

[0021] The degree of polymerization n of the ammonium polyphosphate is 20.

[0022] A preparation method of phosphating cross-linked graphene flame retardant composite material, comprising the following steps:

[0023] (1) Take ammonium polyphosphate, add it to 51 times its weight, 10% hydrogen peroxide aqueous solution, stir evenly, add dodecyl mercaptan, raise the temperature to 75 ° C, keep stirring for 30 minutes, and obtain hydroxyl barrier flammable dispersion;

[0024] (2) Take phosphorus oxychloride, add it to 17 times its weight in deionized water, stir evenly, add diisocyan...

Embodiment 2

[0031] A kind of phosphating cross-linked graphene flame retardant composite material, it is made up of the raw material of following weight part:

[0032] Dodecyl mercaptan 2, diisocyanate 0.1, ammonium polyphosphate 6, phosphorus oxychloride 2, phenol 6, graphene oxide 25, trimethylolpropane 1, 2,4-dimethylphenol 17, trichloro Aluminum 0.03, triallyl isocyanurate 0.4, polyvinyl chloride 110.

[0033] The degree of polymerization n of the ammonium polyphosphate is 10.

[0034] A preparation method of phosphating cross-linked graphene flame retardant composite material, comprising the following steps:

[0035] (1) Take ammonium polyphosphate, add it to 40 times its weight, 8% hydrogen peroxide aqueous solution, stir well, add dodecyl mercaptan, raise the temperature to 70 ° C, keep stirring for 20 minutes, and obtain hydroxyl barrier flammable dispersion;

[0036] (2) Take phosphorus oxychloride, add it to deionized water 10 times its weight, stir evenly, add diisocyanate, ...

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Abstract

The invention discloses a phosphorated-crosslinked-graphene flame-retardant composite material. The phosphorated-crosslinked-graphene flame-retardant composite material is prepared from the following raw materials in parts by weight: 1-2 parts of lauryl mercaptan, 0.1-0.2 part of diisocyanate, 6-7 parts of ammonium polyphosphate, 2-3 parts of phosphorus oxychloride, 6-7 parts of phenol, 18-25 parts of graphene oxide, 1-2 parts of tri(hydroxymethyl)propane, 17-20 parts of 2,4-xylenol, 0.03-0.1 part of aluminum chloride, 0.4-1 part of triallyl isocyanurate and 110-120 parts of polyvinyl chloride. The composite material disclosed by the invention has very good flame retardance; after the graphene oxide is subjected to organic modification, the dispersity of the graphene oxide among polyvinyl chloride can be effectively improved, and thus, the stability and strength of the finished product are improved.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a phosphating cross-linked graphene flame-retardant composite material and a preparation method thereof. Background technique [0002] Polyvinyl chloride is a general-purpose plastic with a wide range of uses. According to the amount of plasticizer added, it can be made into soft, hard and semi-rigid products. It can also be modified by blending with other polymers. It can be made into a wide variety of products with different properties. It is currently one of the most widely used plastics. PVC materials have superior mechanical properties, good weather resistance, excellent electrical insulation properties, easy processing and low cost. In order to improve the flame retardant properties of materials, flame retardants such as antimony trioxide and zinc borate are mostly used to improve the flame retardant properties of products, and then the greater the amount of this additi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/06C08K9/04C08K3/32C08K3/04C08K5/3492
CPCC08K13/06C08K3/04C08K3/32C08K5/34924C08K9/04C08K2003/323C08L2201/02C08L27/06
Inventor 商立华李宏张磊王昊坤沈丽丽李晓燕
Owner 商立华
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