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高速GPC分析

详细介绍

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。

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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