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高速GPC分析

詳細介紹

設(shè)計用于高速GPC分析，HSPgel色譜柱提供準確與精確的分子量測定，提高樣品通量，并顯著降低了溶劑損耗與處理成本。

Waters提供6.0x150mm規(guī)格的HSPgel色譜柱，共三個系列：

HSPgel HR系列

專門設(shè)計用于高分辨、室溫下分析有機聚合物。這些色譜柱保存于THF，允許一次溶劑轉(zhuǎn)換，轉(zhuǎn)換成甲苯、二氯甲烷或氯仿。

HSPgel RT系列

設(shè)計用于常規(guī)的、室溫下分析有機聚合物。這些色譜柱保存于THF，允許多次溶劑轉(zhuǎn)換，從THF轉(zhuǎn)換成甲苯、氯仿、二氯甲烷、DMF、DMSO等。

HSPgel HT系列

專門設(shè)計用于從室溫到高溫(180 °C)條件下的聚合物分析。色譜柱保存在THF或ODCB中。保存于ODCB的色譜柱可以直接轉(zhuǎn)換到TCB溶劑體系。這些色譜柱能夠忍受多次溶劑轉(zhuǎn)換。

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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	編號
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