Thin coating aluminum pigments, method for the production thereof, and use of said aluminum pigments

A technique of aluminium pigments, test methods, used in applications, pedicures, household appliances, etc.

Active Publication Date: 2006-06-07
ECKART GMBH & CO KG
View PDF6 Cites 33 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] Another serious disadvantage is that PV

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
  • Thin coating aluminum pigments, method for the production thereof, and use of said aluminum pigments
  • Thin coating aluminum pigments, method for the production thereof, and use of said aluminum pigments
  • Thin coating aluminum pigments, method for the production thereof, and use of said aluminum pigments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0133] 3.1 kg of glass spheres (diameter: 2 mm), 310 g of white spirit, 93 g of aluminum pellets (average diameter < 8 μm) and 9.3 g of oleic acid were placed in a drum mill (length: 32 cm, width: 19 cm). Next, the mixture was milled at 57 rpm for 20 hours. The product was separated from the milling balls by washing with white spirit, followed by a wet sieving process on a 25 μm sieve to sieve the product. The sieved fines were suction filtered to remove the petroleum solvent and then made into a paste (approximately 70% solids) with petroleum solvent in a laboratory blender.

Embodiment 2

[0135] Grinding was carried out as described in Example 1, but with aluminum pellets having an average diameter < 6 µm, and the grinding time was 23 hours.

Embodiment 3

[0137] 5.0kg of steel balls (diameter: 1.1mm, weight 5.5mg), 160g of petroleum solvent, 150g of aluminum pellets (average diameter < 8μm) and 6g of oleic acid were placed in a drum mill (length: 32cm, width: 19cm). Next, the mixture was milled at 60 rpm for 20 hours. During sieving, the product was separated from the milling balls by thorough washing with petroleum solvent, followed by wet sieving on a 25 μm sieve to sieve the product. The sieved fines were suction filtered to remove the petroleum solvent and then made into a paste (approximately 70% solids) with petroleum solvent in a laboratory blender.

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
Diameteraaaaaaaaaa
Login to view more

Abstract

The present invention relates to an aluminum pigment at least partially coated with a lubricant, wherein the aluminum pigment has a) a water coverage of 40,000 to 130,000 cm2/g, b) an average thickness calculated from the water coverage and a thickness count by scanning electron microscopy The average thickness calculated from the h50 value determined by the cumulative penetration curve is 30-100nm, c) counted from the measured thickness of the scanning electron microscope, according to the equation Δh=100×(h90-h10)/h50, based on the accumulation of the corresponding relative frequency of occurrence Calculated from the penetration curve, the relative width Δh of the thickness distribution is 70%-140%, d) the aspect ratio is greater than 200 e) calculated from the specific surface area and water coverage measured by the BET test method, according to the equation: BET value/2×water coverage The calculated roughness value is 0.30-0.9. The invention also relates to a method for producing said aluminum pigment and to the use of said aluminum pigment.

Description

technical field [0001] The present invention relates to an aluminum pigment at least partially coated with a lubricant and a method for its preparation. The invention also relates to the use of the aluminum pigment. Background technique [0002] Aluminum pigments are efficient pigments characterized by their unique metallic luster and their great covering power. Due to the lamellar structure of this effective pigment, it can be oriented parallel to the substrate in the paint medium and produce a metallic effect due to the many individual microscopic mirrors. This metallic effect is very noticeable, especially in wet paint. For full-tone paints, this effect is due to a brilliance effect that depends on the angle of observation and / or angle of incidence, also known as "flop". Excellent flop properties are influenced by many properties of the pigment: its orientation, its particle size and particle size distribution, its surface texture (roughness) and edge texture all play ...

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
IPC IPC(8): C09C1/64A61K8/26A61Q3/02B22F1/05C09D5/02C09D5/03C09D5/36C09D11/00C09D11/02
CPCA61K8/26A61K2800/43A61Q3/02C01P2004/54C01P2006/12C09C1/64C09C1/644C09D5/028C09D5/032C09D5/36C09D11/037C09D11/50B22F1/05
Inventor T·施莱格S·特鲁默F·亨莱因R·施奈德T·舒斯特
Owner ECKART GMBH & CO KG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap