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polyamide 6 as charring agent in intumescent polypropylene formulations. II. Thermal degradation . Polym Degrad Stab 2002 77 : 315 – 323 10.1016/S0141-3910(02)00066-6 . 20. Xufu , C , Li

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synthetic polyamides used in heritage textile collections frequently in combination with natural organic materials. For preservation they are often exposed to the same pest treatments as natural polymers, which includes lowering or raising the temperature

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materials [ 11–14 ]. In order to improve the antibacterial activity of graphene, some research groups have prepared its nanocomposites with different polymers such as chitosan [ 15, 16 ], polyamide [ 17 ], polyethyleneimine (PEI) [ 18 ] or poly(vinyl alcohol

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. Starkova , O , Yang , JL , Zhang , Z 2007 Application of time-stress superposition to nonlinear creep of polyamide 66 filled with nanoparticles of various sizes . Compos Sci Technol 67 : 2691 10.1016/j.compscitech.2007

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titanate whisker reinforced polyamide-6 composites . Polymer 39 : 5461 – 5466 10.1016/S0032-3861(97)10294-4 . 2. Tjong , SC , Meng , YZ 1999 Properties and morphology of polyamide 6 hybrid

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Acta Chromatographica
Authors:
Omar M. Khalaf
,
Mosad A. Ghareeb
,
Amal M. Saad
,
Hassan M. F. Madkour
,
Ahmed K. El-Ziaty
, and
Mohamed S. Abdel-Aziz

system. The ethyl acetate extract (20 g) was undergoing chromatographic isolation up on polyamide 6S column packed with 250 g of polyamide as stationary phase. The elution system was started with H 2 O, H 2 O–MeOH (1:1, v/v), MeOH, MeOH–AcOH (1:1, v

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. Leite AMD , Maia LF , et al. Thermal properties from membrane of polyamide 6/montmorillonite clay nanocomposites obtained by immersion precipitation method . J Therm Anal Calorim . 2009 ; 97 : 577 – 80

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. Polym Int 54 : 336 – 341 10.1002/pi.1683 . 21. Shao , WG , Wang , QWF , Chen , YH 2006 Polyamide-6/natural clay mineral nanocomposites prepared by solid-state shear milling using pan

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1995 Toughening mechanism of rubber-modified polyamides . Polymer 36 : 921 – 930 10.1016/0032-3861(95)93590-I . 5. Grein , C Toughness of neat, rubber modified and filled

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1628 cm −1 . The bands at 1659 cm −1 which occurred at similar wavelengths in polyamides and proteins is commonly assigned to starching of the C=O group hydrogen bonded to N–H of the neighboring intra-sheet chain. Regarding the 1621 cm −1 bands, which

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