阅读说明：本技术 一种合成云母粉及其制备方法 (A kind of compound mica and preparation method thereof ) 是由 王峰 于 2019-08-29 设计创作，主要内容包括：一种合成云母粉及其制备方法,云母粉40-52份；高岭土26-32份；氧化石墨烯9-12份；氢氧化铝2.5-7份；溴化环氧树脂4.5-5.5份；磷酸三甲苯酯5-10.5份；氧化铁8-14份；硫酸钡6-12份；硅酮粉6-10份；水80-100份；抗氧化剂6-10份；粘合剂8-15份。将云母粉、高岭土、氧化石墨烯、硫酸钡加入研磨机中研磨,得到混合物A；将氢氧化铝、溴化环氧树脂、硅酮粉加入研磨机中研磨,得到混合物B；将混合物A和混合物B混合搅拌；加水、和抗氧化剂、粘合剂和磷酸三甲苯酯并搅拌；烘干；研磨。该云母粉阻燃性好、导电性能稳定、不易氧化。该方法生产工艺简单,易于操作,有利于生产效率的提高。(A kind of compound mica and preparation method thereof, 40-52 parts of mica powder；26-32 parts of kaolin；9-12 parts of graphene oxide；2.5-7 parts of aluminium hydroxide；4.5-5.5 parts of brominated epoxy resin；5-10.5 parts of tricresyl phosphate；8-14 parts of iron oxide；6-12 parts of barium sulfate；6-10 parts of silicone powder；80-100 parts of water；6-10 parts of antioxidant；8-15 parts of adhesive.Mica powder, kaolin, graphene oxide, barium sulfate are added in grinder and are ground, mixture A is obtained；Aluminium hydroxide, brominated epoxy resin, silicone powder are added in grinder and are ground, mixture B is obtained；Mixture A and mixture B is mixed；Jia Shui and antioxidant, adhesive and tricresyl phosphate simultaneously stir；Drying；Grinding.The mica powder good flame resistance, electric conductivity be not stable, oxidizable.This method simple production process, it is easily operated, be conducive to the raising of production efficiency.)

1. a kind of compound mica, which is characterized in that the raw material including following parts by weight:

2. a kind of preparation method of compound mica according to claim 1, which is characterized in that described adhesive is acetic acid Vinyl.

3. a kind of preparation method of compound mica, which comprises the following steps:

Step 1: mica powder, kaolin, graphene oxide, barium sulfate are added in grinder by the specific gravity, 30- is ground 45min obtains preliminary mixture；

Step 2: aluminium hydroxide, brominated epoxy resin, silicone powder are added in grinder by the specific gravity, 20-35min is ground, Obtain preliminary mixture；

Step 3: the preliminary mixture in step 1 and step 2 is put into high-speed mixer with 200~300r/min's Revolving speed is mixed, and preliminary mixture is obtained

Step 4: the preliminary mixture that step 3 is obtained is added in the water of the specific gravity, the specific gravity is added while stirring Antioxidant, adhesive and tricresyl phosphate, persistently stir 10-15min, obtain preliminary mixture；

Step 5: the preliminary mixture that step 4 is obtained is added in dryer, 80-85 DEG C of drying 1.5-2.5h is obtained spare mixed Close object；

Step 6: the preliminary mixture that step 5 is obtained is added in grinder, the iron oxide that the specific gravity is added carries out essence Grind 30-50min.

Technical field

The present invention relates to polymeric material fields, and in particular to a kind of compound mica and preparation method thereof.

Background technique

Most high molecular materials has excellent processability and insulating properties, is widely used as the shell of electronic instrument And the external coating material of space shuttle guided missile.But some high molecular materials with high-insulativity, when its surface by When friction or shock, it is easy to generate and accumulate electrostatic.When buildup of static electricity will generate static discharge phenomenon to a certain extent, into And various precision instruments, precise electronic component may be caused breakdown, or even can cause inflammable, explosive substance on fire or quick-fried Fried situation, to will cause serious consequence.Static conductive coating is exactly a kind of function to grow up to eliminate electrostatic hazard Can property coating, it is simple, low in cost due to its production process the features such as, be widely used and promote in recent years.Mesh Preceding mainly to have carbon black and metal powder (silver, copper, nickel) using more conductive filler, these conductive fillers all have certain lack It falls into.For example, metal powder or expensive or electric conductivity are unstable, it is also easy to aoxidize, is easy sedimentation, color is deeper. Carbon black is cheap, and raw material is easy to get, and specific gravity is smaller, good conductivity, but color is deep, not easy-regulating, and is difficult to disperse.Cause This, complex conductive filler comes into being.Complex conductive filler is exactly with a kind of inexpensive, light material (such as glass, cloud Mother, graphite etc.) it is used as substrate or core material, one layer of its surface coating or several layers of chemical stabilities be good, corrosion resistance is strong, conductivity Composite material obtained from high conductive materials (such as silver, nickel, copper, carbon nanotube etc.).

Summary of the invention

In view of the above existing problems in the prior art, the present invention provides a kind of compound mica, the mica powder good flame resistance, Electric conductivity is not stable, oxidizable, and properties are excellent.

It is another object of the present invention to provide a kind of preparation method of compound mica, simple process is easy to grasp Make, is conducive to the raising of production efficiency.

To achieve the goals above, a kind of compound mica of the present invention, the raw material including following parts by weight:

Described adhesive is vinyl acetate resin.

The mica powder also adds its anti-flammability while with primary characteristic, and the addition of antioxidant increases it Inoxidizability.Filler material uses barium sulfate, can not only increase the hardness and rigidity of product, but also the glossiness of product can be made to mention Height, and can make product that there is wear-resisting property and heat resistance more than metal, in addition, it can also effectively improve the resistance to old of product Change performance.By the addition of silicone powder, the molecular weight of silicone powder is big, is not easy to be precipitated, and keeps the stability of product more preferable.

The present invention also provides a kind of preparation methods of compound mica, comprising the following steps:

Step 1: mica powder, kaolin, graphene oxide, barium sulfate are added in grinder by the specific gravity, grinding 30-45min obtains preliminary mixture；

Step 2: aluminium hydroxide, brominated epoxy resin, silicone powder are added in grinder by the specific gravity, 20- is ground 35min obtains preliminary mixture；

Step 3: the preliminary mixture in step 1 and step 2 is put into high-speed mixer with 200~300r/ The revolving speed of min is mixed, and preliminary mixture is obtained

Step 4: the preliminary mixture that step 3 is obtained is added in the water of the specific gravity, while stirring described in addition Antioxidant, adhesive and the tricresyl phosphate of specific gravity, persistently stir 10-15min, obtain preliminary mixture；

Step 5: the preliminary mixture that step 4 is obtained is added in dryer, 80-85 DEG C of drying 1.5-2.5h is obtained standby Use mixture；

Step 6: the preliminary mixture that step 5 is obtained is added in grinder, be added the iron oxide of the specific gravity into Row fine grinding 30-50min.

In the technical scheme, small to the electromechanical load of equipment by the preparation method article of manufacture, it can also be effectively reduced To the wear rate of equipment, production cost can be reduced, there is preferable economic benefit.Meanwhile this method simple production process, it is easy to grasp Make, is conducive to the raising of production efficiency.

Specific embodiment

Below in conjunction with specific embodiment, invention is further described in detail.

A kind of compound mica, the raw material including following parts by weight:

Described adhesive is vinyl acetate resin.