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首页> 外文会议>Proceedings of the International Wire amp; Cable Symposium (IWCS~TM), Inc. >Superabsorbent Polymer Properties that Determine Water Blocking Capability in Communication Cables
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Superabsorbent Polymer Properties that Determine Water Blocking Capability in Communication Cables

机译：高吸收性聚合物特性决定了通信电缆的阻水能力

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Modern superabsorbent polymers (SAP) were examined as water blocking materials. Beyond the traditional parameters of swell speed and swell height, a number of other important parameters were found to have importance in the water blocking performance of SAP. These include gel modulus and gel stability of hydrated SAP. Gel Modulus was examined as a potential indicator of blocking performance of a SAP in a cable composite. Penetration tests were performed on SAPs having different gel moduli. These polymers were produced by several different SAP manufacturers. A direct correlation was found between the gel modulus of a SAP and its ability to prevent penetration. Specifically, a SAP with a lower gel modulus allowed less penetration than SAP with a higher modulus. Lower gel modulus allows the SAP particles to form an impenetrable barrier by eliminating interstitial channels that allow liquid penetration. The study concluded that a low gel modulus material at 100% saturation had the best resistance to liquid penetration.
机译：研究了现代超吸收性聚合物（SAP）作为阻水材料。除了溶胀速度和溶胀高度的传统参数外，还发现许多其他重要参数对SAP的阻水性能也很重要。这些包括水合SAP的凝胶模量和凝胶稳定性。研究了凝胶模量，它是电缆复合材料中阻止SAP粘结性能的潜在指标。对具有不同凝胶模量的SAP进行渗透测试。这些聚合物是由数家不同的SAP制造商生产的。发现SAP的凝胶模量与其防止渗透的能力之间存在直接相关性。具体而言，具有较低凝胶模量的SAP与具有较高模量的SAP相比具有较小的渗透性。较低的凝胶模量可通过消除允许液体渗透的间隙通道，使SAP颗粒形成难以穿透的屏障。研究得出的结论是，在100％饱和度下的低凝胶模量材料具有最佳的抗液体渗透性。

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