Method for establishing rheometric parameters of samples and rotational rheometer

Method for establishing rheometric parameters of samples and rotational rheometer

A method establishes rheometric parameters of samples using a rotational rheometer. A thickness of a measurement gap delimited by measurement parts is measured by a measuring unit and a predetermined thickness value is adjusted, readjusted or kept constant when the measurement temperature is changed...

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1. Verfasser: WOLLNY KLAUS
Format: Patent
Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator WOLLNY KLAUS
description A method establishes rheometric parameters of samples using a rotational rheometer. A thickness of a measurement gap delimited by measurement parts is measured by a measuring unit and a predetermined thickness value is adjusted, readjusted or kept constant when the measurement temperature is changed or set to a predetermined measurement temperature setpoint value. Accordingly, starting at a time at which at least one region of a measurement part has reached the predetermined measurement temperature, measurement values to be established, more particularly continuously, at predetermined measurement times and/or for predetermined time intervals delimited by predetermined measurement times, for the changing thickness of the measurement gap and/or for the rate of change in thickness or readjustment of thickness, and for the measurement of the rheological parameters only to be commenced once these measurement values have dropped below a specific predetermined threshold.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Method for establishing rheometric parameters of samples and rotational rheometer
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