TAGS: Chinaplas Polymer Reinforcement
HPF The Mineral Engineers' high-performance fillers, based on naturally occurring and synthetic minerals such as quartz, wollastonite, kaolin or mica, give polymer systems amazing functional or optical properties. At CHINAPLAS 2019 in Guangzhou the division, which belongs to the Quarzwerke Group, will be showing current additions to its filler portfolio under the motto "Hidden inside - Performance outside".
Effective Solution for Improving the Thermal Conductivity
SILATHERM® Product Family
With the SILATHERM® product family, novel fillers have been developed that significantly increase the thermal conductivity of plastics while at the same time providing better mechanical strength to thermoplastics and thermosets. There are five main product lines: SILATHERM® 1360, SILATHERM® 1466, SILATHERM® Plus, SILATHERM® Lite and SILATHERM® Advance. Due to continuous further developments and trials, optimized particle size mixtures for higher filling degrees are available.
Kaolins - Phyllosilicates
- For all products, a much better homogenization can be achieved by the surface coating specially adapted to the polymer system.
- This leads to even better mechanical properties and higher thermal conductivities. Kaolins are phyllosilicates which, depending on the deposit, are more or less platy.
- With Kaolin TEC 110 an extremely hexagonal quality with excellent reinforcing properties has been developed.
- By using the silanized types, the good mechanical properties and the incorporability are further improved.
- In addition, tests at the HPF Plastics Research Center showed that the use of Kaolin TEC 110 AST can significantly reduce the use of expensive flame retardants.
- On intense heating, kaolin releases crystal water and thus supports the effectiveness of the flame retardants.
- Since kaolin is a natural product, there is no additional environmental impact in case of fire.
ACRYSMART®
- ACRYSMART® is an intelligent masterbatch for acrylic glass. ACRYSMART® glass changes its permeability to light and solar radiation as a function of the ambient temperature.
- Thus, the acrylic sheets offer the advantage of automatic shading at higher temperatures and optimum use of daylight at low temperatures.
- Solar energy can be used in a controlled manner, thus saving heating or cooling energy.
- ACRYSMART® ensures a comfortable climate in humans, animals or plants. In addition, there are hardly any limits to creative freedom.
- Extreme and opposing environmental loads cause wear to the huge rotor blades of wind turbine generator systems (WTGSs). Wind speeds of up to 500 km/h act upon the blade tips. Nevertheless these rotor blades are to survive a service life of 20 years without any impairment. The coating at this point is subject to particularly high wear and destruction by rain erosion.
- Test results show clearly that the resistance of the rotor blade coating depends considerably on the fillers used. The substitution of the reference filler combination of the original formulation by high-performance fillers such as rectangular MICROSPAR® and TREMIN® as well as angular SIKRON® results in significantly improved resistance to impinging raindrops. An even more resistant coating is achieved by a specific surface modification of the filler.
High-Performance Fillers with Surface-Treatment
Of course, the HPF team is going to advise interested visitors also on the properties and applications of all other high-performance fillers in the product portfolio based on many different minerals such as silica, cristobalite, fused silica, wollastonite,
mica, and white fused
alumina.
Through decades of experience in the surface modification the company is able to tailor the surface of the high-performance fillers to suit the applications in the relevant polymer matrices. Therefore almost all products can be delivered with surface-treatment which enables optimized effects. Coated fillers can be easier incorporated into a polymer than uncoated ones. Even better mechanical properties of the system can be achieved. Last but not least optimized grain sizes distributions for higher filling degrees and mineral blends are available.
Source: HPF