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Crosslinking Effect on Polydimethylsiloxane Elastic Modulus Measured by Custom-Built Compression Instrument

机译:定制压缩仪测量交联对聚二甲基硅氧烷弹性模量的影响

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摘要

A macroscopic compression test utilizing a simple custom-built instrument was employed to measure polydimethylsiloxane (PDMS) elastic modulus. PDMS samples with varying crosslinking density were prepared with the elastomer base to the curing agent ratio ranging from 5 : 1 to 33 : 1. The PDMS network elastic modulus varied linearly with the amount of crosslinker, ranging from 0.57 MPa to 3.7 MPa for the samples tested. PDMS elastic modulus in MPa can be expressed as 20 MPa/PDMS base to curing agent ratio. This article describes a simple method for measuring elastic properties of soft polymeric materials.
机译:利用简单的定制仪器进行宏观压缩测试,以测量聚二甲基硅氧烷(PDMS)的弹性模量。制备具有不同交联密度的PDMS样品,其中弹性体碱与固化剂的比例为5:1至33:1。PDMS网络弹性模量随交联剂的量线性变化,样品的交联剂量为0.57 MPa至3.7 MPa。经过测试。 PDMS的弹性模量(MPa)可表示为20 MPa / PDMS基础与固化剂之比。本文介绍了一种简单的方法来测量软聚合物材料的弹性。

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