Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for preparing magnetic rubber from recovered rubber powder

A magnetic rubber and rubber powder technology, which is applied in the fields of plastic recycling, magnetic objects, recycling technology, etc., to achieve the effect of simple equipment, novel ideas and strong applicability

Inactive Publication Date: 2010-11-17
南京睿磐内尔环保复合新材料有限公司
View PDF3 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problems of waste rubber desulfurization activation and inorganic-rubber interface compatibility in the preparation of high-grade magnetic rubber by using ultra-fine magnetic ferrite and waste rubber powder, and proposes a hexagonal barium ferrite particle-assisted recovery of rubber powder Method for preparing magnetic rubber by microwave semi-devulcanization

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for preparing magnetic rubber from recovered rubber powder
  • Method for preparing magnetic rubber from recovered rubber powder
  • Method for preparing magnetic rubber from recovered rubber powder

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] 1. Using analytically pure barium chloride and ferric chloride as raw materials, according to BaFe 12 o 19 The stoichiometric relationship of the middle components means that an appropriate amount of barium chloride and ferric chloride are dissolved in an appropriate amount of deionized water to obtain barium chloride and ferric chloride solutions, and their concentrations are respectively: [Ba 2+ ]=0.01mol / L, [Fe 3+ ]=0.12mol / L; With the amount ratio OH of precipitation agent and metal ion substance - / Fe 3+ =3.75, CO 3 2- / Ba 2+ =1.25 Ammonia water and ammonium carbonate were added, after stirring and precipitation reaction was complete, suction filtration, drying, and synthesis in a muffle furnace at 800°C for 2 hours to obtain the ultrafine powder of barium hexagonal ferrite.

[0029] 2. According to the mass ratio of barium hexagonal ferrite powder and recycled rubber powder as 1:3, mix on a double-roller mixer at 400rpm for 24 hours to achieve uniform mixing...

example 2

[0034] 1. Using analytically pure barium chloride and ferric chloride as raw materials, according to BaFe 12 o 19 The stoichiometric relationship of the middle components means that an appropriate amount of barium chloride and ferric chloride are dissolved in an appropriate amount of deionized water to obtain barium chloride and ferric chloride solutions, and their concentrations are respectively: [Ba 2+ ]=0.01mol / L, [Fe 3+ ]=0.12mol / L; With the amount ratio OH of precipitation agent and metal ion substance - / Fe 3+ =3.75, CO 3 2- / Ba 2+ =1.25 Add ammonia water and ammonium carbonate, stir and precipitate after the reaction is complete, suction filter, dry, synthesize in a muffle furnace at 800°C for 2 hours, and the product obtained is mechanically ball milled at 300rpm for 12 hours to obtain ultrafine powder of barium hexagonal ferrite .

[0035] 2. According to the mass ratio of barium hexagonal ferrite powder and recycled rubber powder as 1:1, mix on a double-roller...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
sizeaaaaaaaaaa
Login to View More

Abstract

The invention discloses a method for preparing magnetic rubber from recovered rubber powder, which belongs to the technical field of function materials. In the method, soluble salts of barium and iron are used as raw material, ammonia water and ammonium carbonate are used as a precipitator, a method of precipitation is adopted for preparing hexagonal barium ferrate nanoparticles; the hexagonal barium ferrate nanoparticles is mixed with waste rubber powder mechanically; the mixed powder is put in radiation in a microwave field for realizing the semi-desulfurization of the waste rubber powder and the activation of broken bonds; and vulcanized rubber is produced by flat vulcanizing and is magnetized by an external pulse strong magnetic field to be formed into magnetic rubber. The magnetic rubber prepared by the method is characterized by high inorganic magnetic particle and rubber compatibility, high mechanical performance and magnetic performance and the like and solves the problem of the interface compatibility in a desulfurization, activation and inorganic-organic material combination process during the recycling of waste rubber powder, and thus, the aim of preparing the electromagnetic material by using waste rubber is realized.

Description

Technical field: [0001] The invention belongs to the technical field of preparation of functional materials, in particular to a preparation method of magnetic rubber. Background technique: [0002] As an important strategic and civil resource, rubber has carried the development of modern industrial technology. At the same time, the mass production and use of rubber products, especially the mass use of tires, has also brought about the problem of waste rubber disposal. As far as the world is concerned, nearly 20 million tons of waste tires are produced every year, and my country accounts for about 15% of them. Therefore, it is imminent to seek a reliable method of recycling rubber. For the treatment of waste rubber, there are mainly three ways: 1) recovery and utilization of heat energy through incineration; 2) recovery and utilization of desulfurized reclaimed rubber; 3) recovery and use of mechanically pulverized rubber powder. Under the background of vigorously developin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08K3/24C08J11/10H01F13/00C01G49/00
CPCY02W30/62
Inventor 刘俊亮张明刘萍唐小强
Owner 南京睿磐内尔环保复合新材料有限公司