设计用于高速GPC分析，HSPgel色谱柱提供准确与精确的分子量测定，提高样品通量，并显著降低了溶剂损耗与处理成本。
Waters提供6.0x150mm规格的HSPgel色谱柱，共三个系列：
HSPgel HR系列
专门设计用于高分辨、室温下分析有机聚合物。这些色谱柱保存于THF，允许一次溶剂转换，转换成甲苯、二氯甲烷或氯仿。
HSPgel RT系列
设计用于常规的、室温下分析有机聚合物。这些色谱柱保存于THF，允许多次溶剂转换，从THF转换成甲苯、氯仿、二氯甲烷、DMF、DMSO等。
HSPgel HT系列
专门设计用于从室温到高温(180 °C)条件下的聚合物分析。色谱柱保存在THF或ODCB中。保存于ODCB的色谱柱可以直接转换到TCB溶剂体系。这些色谱柱能够忍受多次溶剂转换。
Improved properties of chemically modified graphene/poly(methyl methacrylate) nanocomposites via a facile in-situ bulk polymerization
The nanosheet of graphene was chemically modified by long alkyl chain for enhanced compatibility with polymer matrix and graphene/poly(methyl methacrylate) (PMMA) nanocomposites with homogeneous dispersion of the nanosheets and enhanced nanofiller-matrix interfacial interaction were fabricated via a facile in-situ bulk polymerization. The nanocomposites were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, Scanning electron microscopy and thermogravimetry. The results showed that the graphene nanosheets were fully exfoliated in PMMA matrix and the thermal and mechanical properties of the nanocomposites were significantly improved at low graphene loadings. Large shifts of 15°C in the glass transition temperature and 27°C improvement of onset thermal degradation temperature were achieved with graphene loading as low as 0.07 wt%. A 67% increase in tensile strength was also observed by the addition of only 0.5 wt% graphene. The method used in this study provided a novel route to other graphene-based polymers.
品名 | 编号 |
HSPgel Column, HR 2.5, 3 µm, 6 mm X 150 mm, 500 - 20K, THF , 1/pkg | 186001743 |
HSPgel Column, HR 3, 3 µm, 6 mm X 150 mm, 500 - 30K, THF , 1/pkg | 186001744 |
HSPgel Column, HT 4, 3 µm, 6 mm X 150 mm, 10K - 400K, THF , 1/pkg | 186001745 |
HSPgel Column, HR MB-L, 3 µm, 6 mm X 150 mm, 5K - 600K, THF , 1/pkg | 186001746 |
HSPgel Column, HR 1, 3 µm, 6 mm X 150 mm, 0 - 1K, THF , 1/pkg | 186001741 |
HSPgel Column, HR MB-M, 5 µm, 6 mm X 150 mm, 1 - 4M, THF , 1/pkg | 186001747 |
HSPgel Column, HT 3, 5 µm, 6 mm X 150 mm, 500 - 30K, THF , 1/pkg | 186001764 |
HSPgel Column, HT 2.5, 5 µm, 6 mm X 150 mm, 500 - 20K, THF , 1/pkg | 186001763 |
HSPgel Column, AQ 6, 9 µm, 6 mm X 150 mm, 200K - 10M, Water , 1/pkg | 186001789 |
HSPgel Column, HT 2, 5 µm, 6 mm X 150 mm, 500-10K, THF , 1/pkg | 186001762 |
HSPgel Column, AQ 5, 7 µm, 6 mm X 150 mm, 50K-4M, Water , 1/pkg | 186001788 |
HSPgel Column, HT 1, 5 µm, 6 mm X 150 mm, 0 - 1K, THF , 1/pkg | 186001761 |
HSPgel Column, AQ 4, 6 µm, 6 mm X 150 mm, 10K - 400K, Water , 1/pkg | 186001787 |
HSPgel Column, AQ 3, 4 µm, 6 mm X 150 mm, 200 - 30K, Water , 1/pkg | 186001786 |
HSPgel Column, AQ 2.5, 4 µm, 6 mm X 150 mm, 0 - 1K, Water , 1/pkg | 186001785 |
HSPgel Column, AQ MB-H, 9 µm, 6 mm X 150 mm, 500 - 10M, Water , 1/pkg | 186001790 |
HSPgel Column, HT 1, 5 µm, 6 mm X 150 mm, 0 - 1K, ODCB , 1/pkg | 186001773 |
HSPgel Column, HT 2.5, 5 µm, 6 mm X 150 mm, 500 - 20K, ODCB , 1/pkg | 186001775 |
HSPgel Column, HT 2, 5 µm, 6 mm X 150 mm, 500-10K, ODCB , 1/pkg | 186001774 |
HSPgel Column, HT MB-L, 5 µm, 6 mm X 150 mm, 0 - 1K, ODCB , 1/pkg | 186001781 |
HSPgel Column, HT MB-L/M, 5 µm, 6 mm X 150 mm, 5K - 600K, ODCB , 1/pkg | 186001782 |
HSPgel Column, HT 7, 5 µm, 6 mm X 150 mm, 100K - 15M, ODCB , 1/pkg | 186001780 |
HSPgel Column, RT MB-H, 5 µm, 6 mm X 150 mm, 500 - 10M, THF , 1/pkg | 186001760 |
HSPgel Column, RT 1, 3 µm, 6 mm X 150 mm, 0 - 1K, THF , 1/pkg | 186001749 |
HSPgel Column, HT MB-L, 5 µm, 6 mm X 150 mm, 0 - 1K, THF , 1/pkg | 186001769 |
HSPgel Column, HT 7, 5 µm, 6 mm X 150 mm, 100K - 15M, THF , 1/pkg | 186001768 |
HSPgel Column, HT 6, 5 µm, 6 mm X 150 mm, 50K-10M, THF , 1/pkg | 186001767 |
HSPgel Column, HT 5, 5 µm, 6 mm X 150 mm, 25K - 4M, THF , 1/pkg | 186001766 |
HSPgel Column, HT MB-H, 5 µm, 6 mm X 150 mm, 5K - 10M, ODCB , 1/pkg | 186001784 |
HSPgel Column, HT 4, 5 µm, 6 mm X 150 mm, 10K - 400K, THF , 1/pkg | 186001765 |
HSPgel Column, HT MB-M, 5 µm, 6 mm X 150 mm, 2K - 4M, ODCB , 1/pkg | 186001783 |
HSPgel Column, RT MB-L, 3 µm, 6 mm X 150 mm, 100 - 10K, THF , 1/pkg | 186001757 |
HSPgel Column, RT 5, 3 µm, 6 mm X 150 mm, 25K - 4M, THF , 1/pkg | 186001754 |
HSPgel Column, RT 6, 5 µm, 6 mm X 150 mm, 50K-10M, THF , 1/pkg | 186001755 |
HSPgel Column, RT 3, 3 µm, 6 mm X 150 mm, 500 - 30K, THF , 1/pkg | 186001752 |
HSPgel Column, RT 4, 3 µm, 6 mm X 150 mm, 10K - 400K, THF , 1/pkg | 186001753 |
HSPgel Column, RT 2, 3 µm, 6 mm X 150 mm, 500 - 10K, THF , 1/pkg | 186001750 |
HSPgel Column, HT MB-L/M, 5 µm, 6 mm X 150 mm, 5K - 600K, THF , 1/pkg | 186001770 |
HSPgel Column, RT 2.5, 3 µm, 6 mm X 150 mm, 500 - 20K, THF , 1/pkg | 186001751 |
HSPgel Column, HT MB-M, 5 µm, 6 mm X 150 mm, 2K - 4M, THF , 1/pkg | 186001771 |
HSPgel Column, RT MB-L/M, 3 µm, 6 mm X 150 mm, 5K - 600K, THF , 1/pkg | 186001758 |
HSPgel Column, HT MB-H, 5 µm, 6 mm X 150 mm, 5K - 10M, THF , 1/pkg | 186001772 |
HSPgel Column, HT 4, 5 µm, 6 mm X 150 mm, 10K - 400K, ODCB , 1/pkg | 186001777 |
HSPgel Column, HT 6, 5 µm, 6 mm X 150 mm, 50K-10M, ODCB , 1/pkg | 186001779 |
HSPgel HR 2.0 Column, THF, 3 µm, 6.0 x 150 mm | 186001742 |
HSPgel Column, RT MB-M, 3 µm, 6 mm X 150 mm, 2K - 4M, THF , 1/pkg | 186001759 |
HSPgel HT 3.0 Column, ODCB, 5 µm, 6.0 x 150 mm | 186001776 |
HSPgel HT 5.0 Column, ODCB, 5 µm, 6.0 x 150 mm | 186001778 |
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