Consider shear stress and pressure independently
Wall Slip in Processing Rubber Compound revisited
In a previous paper, we have presented an alternative way to use the RPA (Rubber Process Analyzer) to measure both transient and steady shear viscosity [1]. more...
Increase current output of the single-layer triboelectric generator (TEG).
Triboelectrification of Kapton Film under different Contact Modes
In the present work a single layer triboelectric generator (TEG) composed of Kapton film against Polytetrafluoroethylene PTFE thin layer investigated under different conditions to obtain the effect of contact mode, frequency, surface properties and electrode material on generated electricity as a result of friction between layers. more...
Crosslinking by light and silica nanoparticles
Development in the Surface Properties of the Hybrid Composite Resin by Light-Curing Process and Silicon Dioxide Nanoparticles
The purpose of this paper is to identify the surface properties of the hybrid composite resin as function of curing times, curing modes and fractions of SiO2 NPs. more...
![Fig. 1: Flow pattern in a calender-nip after Unkrüer [3].](https://www.kgk-rubberpoint.de/wp-content/uploads/2021/06/Bild-1-170x120.jpg "Improved contact Mechanisms of high viscous Rubber Compounds on Calender roll Surfaces by using different Tackifier – Part 1")
Improvement of conversion tack on calender rolls - Part 1
Improved contact Mechanisms of high viscous Rubber Compounds on Calender roll Surfaces by using different Tackifier – Part 1
High viscous rubber compounds often lead to processing difficulties during calendering more...
Mechanical-thermal behavior of rubber during the process
Simulation of a Heat-Buildup Process on Rubber Components
This article describes the simulation setup and the development of a simulation method for modeling the self-heating of cyclic-loaded rubber components within the well-known ABAQUS FE environment. more...
Systematic process investigations on a rubber extruder
Optimization Approaches in Rubber Extrusion for Energy and CO² Savings
Systematic process investigations on a rubber extruder (40 mm, 16D) show on the basis of enthalpy increase, that the specific energy input is 0.3 - 1.7 kWh/kg and the thermal efficiency is in the range of 1 - 12 %. more...
Energy efficiency is one of the central challenges for European energy policy
Optimisation approaches in continuous Vulcanisation to increase Energy Efficiency
The continuous vulcanisation is one of the most energy intensive processes in rubber processing. more...
Established procedures for the design of thermoplastic components
Tensile / Compression Difference in Behavior of Plastics
Mechanical properties of thermoplastics under tensile and compressive stress are investigated. more...
Modified sepiolite was used as filler in silica based elastomeric composites
Sepiolite as reinforcing Filler for Rubber Composites: From the chemical Compatibilization to the commercial Exploitation
Chemically modified sepiolite was used as filler in silica based elastomeric composites. more...
Heat- and Oil-Resistance of ACM
Next-Generation Polymer Solutions for Sealing and Fluid Transport in High-Performance automotive Transmission Systems
In dieser Publikation wird die nächste Generation der HyTemp HT-ACM Technologie vorgestellt, welche zeigt, wie diese neuen Materialien gleichzeitig die Grenzen der Tieftemperaturleistungsfähigkeit bis zu - 40 °C und die Hitzebeständigkeit bis über 175 °C verbessern, während die mechanischen Eigenschaften von Dichtungen in niedrigviskosen Getriebeöleinsatz erweitert werden. more...
Magnetic Rubber Compounds
Magnetic and mechanical Characterisation of Rubber bonded hard Ferrites Composites
The mechanical and magnetic properties of hard ferrite filled rubbers are investigated. Different compounds based on acrylonitrile butadiene rubber (NBR) and hydrogenated acrylonitrile butadiene rubber (HNBR) were manufactured and analysed. The magnetic fillers OP-71 from Dowa and FA-700 from Toda Kogyo were used. The compounds were mixed in an internal mixer and subsequently processed in […] more...
Thermal diffusivity of NR
Comparison of Methods for Measuring the Thermal Diffusivity of Unfilled and Filled Natural Rubbers
A comparison between two measurement techniques for determining the thermal diffusivity of unfilled and filled NR samples is considered: more...
Thermal Degradation
Fundamental Aspects for Evaluation of Activation Energy of thermal Degradation of Tetrafluoroethylene-propylene Elastomer by Weight Change
The activation energy of thermal aging of tetrafluoroethylene-propylene elastomer was evaluated by the measurements of the weight change, using two methods. more...
Biobased Encapsulation
Fabrication and Properties of Cellulose Fiber / Soybean Meal / Natural Rubber Matrix for Encapsulation of Urea Fertilizer
Herein, the objective of this work was to effectively apply novel matrix from soybean meal (SB), modified with lactic acid (LA), cellulose fiber (CF) /natural rubber (NR) coating for encapsulation of urea fertilizer. more...
Online Capillary Rheometer
Online Rheometer – Increased Selectivity through continuous Measurement of the extensional Viscosity
Online control of product quality with regard to the rheological material properties is becoming increasingly important. more...