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The Effects of High Pressure and High Temperature in Semidilute Aqueous Cellulose Nanocrystal Suspensions.
Biomacromolecules ( IF 5.5 ) Pub Date : 2019-12-16 , DOI: 10.1021/acs.biomac.9b01130 Sudeshna Saha 1 , Usha D Hemraz 1 , Yaman Boluk 1
Biomacromolecules ( IF 5.5 ) Pub Date : 2019-12-16 , DOI: 10.1021/acs.biomac.9b01130 Sudeshna Saha 1 , Usha D Hemraz 1 , Yaman Boluk 1
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A semidilute cellulose nanocrystal suspension was tested for pressure, volume, temperature dependencies of its viscosity and density. The compression of a 2.0 wt % cellulose nanocrystal suspension under 5.0 MPa at room temperature resulted in morphological changes from istotropic to nematic form. However, at high temperature, high-pressure treatment caused desulfation and gelation. Those results have significant applications, not only as additives in drilling and fracturing fluids but also for the preparation of hydrogels.
中文翻译：
高压和高温对半稀释纤维素纳米晶体悬浮液的影响。
测试了半稀释纤维素纳米晶体悬浮液的压力，体积，温度与粘度和密度的关系。在室温下在5.0 MPa下将2.0 wt％的纤维素纳米晶体悬浮液压缩导致形态从等熵向列相变化。然而，在高温下，高压处理导致脱硫和凝胶化。这些结果不仅在钻井和压裂液中作为添加剂，而且在水凝胶的制备中具有重要的应用。
更新日期：2019-12-17
中文翻译：
高压和高温对半稀释纤维素纳米晶体悬浮液的影响。
测试了半稀释纤维素纳米晶体悬浮液的压力，体积，温度与粘度和密度的关系。在室温下在5.0 MPa下将2.0 wt％的纤维素纳米晶体悬浮液压缩导致形态从等熵向列相变化。然而，在高温下，高压处理导致脱硫和凝胶化。这些结果不仅在钻井和压裂液中作为添加剂，而且在水凝胶的制备中具有重要的应用。
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