Check patentability & draft patents in minutes with Patsnap Eureka AI!

Heavy calcium carbonate superfine treating process and superfine composite material preparing process

A heavy calcium carbonate and treatment method technology, applied in the direction of calcium carbonate/strontium/barium, etc., can solve the problems that the agglomeration phenomenon cannot be solved thoroughly, the surface energy is large, and the cost is high, so as to achieve superior performance, improve the modification effect, The effect of energy consumption reduction

Active Publication Date: 2007-11-07
武汉隆兴裕环保设备有限公司
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, powders with D90<5 microns are produced by wet process, which is the best performance powder in the market at present, but the disadvantage of wet process is: because the solid content can only reach 70- 72%, so in the drying process, the energy consumption is large and the cost is high
However, due to the huge surface energy, the agglomeration phenomenon cannot be completely solved by using this method.

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Get 100 kilograms of 200-mesh heavy calcium carbonate powder, add 0.5 kilogram of aluminate coupling agent (Jining Deyali Polymer Co., Ltd., DYL-3 type aluminate coupling agent), and then add 28 kilograms of water to prepare A slurry with a solid content of 78%.

[0040] Add the above slurry into a stirring mill (produced by Wuxi Haibo Drying Machinery Equipment Factory, AXM-100 type, the stirring mill has been sealed) for ultra-fine processing. At the same time, carbon dioxide is continuously fed into the stirred mill through an external device.

[0041] After 20 minutes, discharge the slurry into a storage tank with high-speed stirring blades, start the stirring blades, and the rotating speed is preset at 900 rpm.

[0042] After 5 minutes, the slurry was sent to the QPG-5 type air-flow spray dryer with a pump and dried (produced by Changzhou Zhenxing Drying Equipment Co., Ltd.), to obtain superfine modified heavy calcium carbonate. Analyzed with a laser particle siz...

experiment example

[0058] Application performance comparison of superfine ground calcium carbonate particle composite materials

[0059] Sample name: PP

[0060] Test purpose: performance test

[0061] Preparation method and sample appearance: add 30 parts of superfine heavy calcium carbonate particle composite material to natural color particles, injection molding sample preparation environmental conditions: temperature / relative humidity (23±2)℃ / (50±5)%

[0062] Numbering

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
particle sizeaaaaaaaaaa
activation indexaaaaaaaaaa
Login to View More

Abstract

The superfine treatment process of heavy calcium carbonate includes the following steps: 1. mixing heavy calcium carbonate, water and surface modifier to compound slurry; and 2. superfine treatment of the slurry in a CO2 atmosphere furnace. The present invention also discloses process of preparing superfine heavy calcium carbonate composite material including the said superfine treatment process of heavy calcium carbonate. The process of the present invention has high particle fining speed and low power consumption, and the prepared superfine heavy calcium carbonate composite material has excellent performance.

Description

technical field [0001] The invention relates to an ultrafine technology, in particular to an ultrafine treatment method for heavy calcium carbonate and a preparation method for ultrafine heavy calcium carbonate particle composite material. Background technique [0002] Ultrafine particle composite material is a kind of composite material obtained by granulation process with ultrafine powder as the main component and mixed with resin. [0003] Ultrafine powder can be divided into metal ultrafine powder and inorganic nonmetal ultrafine powder in terms of types. At present, the most widely used is inorganic nonmetal ultrafine powder, which is the basic raw material for preparing granular composite materials. Among them, ground calcium carbonate superfine powder is a kind of superfine powder material with the largest market and the most widely used at present. [0004] At present, the production process of ground calcium carbonate superfine powder is physical method, that is to...

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): C01F11/18
Inventor 李宇文
Owner 武汉隆兴裕环保设备有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com