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Description
| - Recently measured Mooney viscosity and Mooney relaxation data of different raw natural rubber grades were used to discuss the meaning of obtained results. Viscosity was characterized as ML(1+4) 100 °C and stress relaxation by constant k and exponent M=k(t)a give similar information about natural rubber quality as Mooney viscosity ML(1+4) 100 °C, because both values and highly correlated. Exponent a in equation M characterizes elastic response of raw natural rubbers, but negative values of exponent a from Mooney relaxation measurements impede its common utilization for characterization of material elasticity in rubber technology. As it is shown in this papar, elastic energy retnetion exponent (a+1) is positive, its values are decreasing with decreasing material elasticity, and for common characterization in rubber technology is therefore more practical to use (a+1) than exponent a. Thus, by measurement on Mooney viscometer can be natural rubber procesability chracterized not only by Mooney viscosity ML(1+4) 100 °C, but also by Mooney elasticity (a+1).
- Recently measured Mooney viscosity and Mooney relaxation data of different raw natural rubber grades were used to discuss the meaning of obtained results. Viscosity was characterized as ML(1+4) 100 °C and stress relaxation by constant k and exponent M=k(t)a give similar information about natural rubber quality as Mooney viscosity ML(1+4) 100 °C, because both values and highly correlated. Exponent a in equation M characterizes elastic response of raw natural rubbers, but negative values of exponent a from Mooney relaxation measurements impede its common utilization for characterization of material elasticity in rubber technology. As it is shown in this papar, elastic energy retnetion exponent (a+1) is positive, its values are decreasing with decreasing material elasticity, and for common characterization in rubber technology is therefore more practical to use (a+1) than exponent a. Thus, by measurement on Mooney viscometer can be natural rubber procesability chracterized not only by Mooney viscosity ML(1+4) 100 °C, but also by Mooney elasticity (a+1). (en)
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Title
| - Mooney viscosity, Mooney elasticity and procesability of raw natural rubber
- Mooney viscosity, Mooney elasticity and procesability of raw natural rubber (en)
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skos:prefLabel
| - Mooney viscosity, Mooney elasticity and procesability of raw natural rubber
- Mooney viscosity, Mooney elasticity and procesability of raw natural rubber (en)
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skos:notation
| - RIV/70883521:28610/11:43867496!RIV12-MSM-28610___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28610/11:43867496
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - rubber processability, Mooney viscometer, viscosity, elasticity, natural rubber (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of Material Science and Engineering with Advanced Technology
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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