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Novel Dynamic Mechanical Test to Characterize Non-woven Elasticity

IP.com Disclosure Number: IPCOM000250894D
Publication Date: 2017-Sep-12
Document File: 4 page(s) / 158K

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Abstract

Polypropylene (PP) in non-wovens is extensively used in the hygiene industry. A new quantitative Dynamic Mechanical method was established to evaluate not only nonwoven elasticity, but also its decay. Result showed elasticity of PP nonwovens is adjustable with Vistamaxx™ propylene-based elastomer addition. After calibration by standard samples, dynamic analysis is consistent with other analytical methods such as DSC or IR, and gives more information about how it decays after repeated extension, which can be used as references in industry.

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Novel Dynamic Mechanical Test to Characterize Non-woven Elasticity Abstract: Polypropylene (PP) in non-wovens is extensively used in the hygiene industry. A new quantitative Dynamic Mechanical method was established to evaluate not only nonwoven elasticity, but also its decay. Result showed elasticity of PP nonwovens is adjustable with Vistamaxx™ propylene-based elastomer addition. After calibration by standard samples, dynamic analysis is consistent with other analytical methods such as DSC or IR, and gives more information about how it decays after repeated extension, which can be used as references in industry. Background: Elasticity as well as its decay is an important parameter for nonwoven. Hysteresis tests are typically used to characterize elasticity, but it is time consuming, requiring large sample amount, and needs a significant force response. In order to obtain precise detection of force under determined deformation and testing temperature. A new method to evaluate non-woven elasticity was developed.

Development: The new method can be described as below: The nonwov...