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Study on Nano-CaCO3/NR Composites

Author: WangJiang
Tutor: FuXin
School: South China University of Tropical Agriculture
Course: Agricultural Products Processing and Storage Engineering
Keywords: The emulsion total of coagulation Nano-CaCO3 NR Composites
CLC: TB332
Type: Master's thesis
Year: 2004
Downloads: 100
Quote: 2
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Abstract


CaO, CO 2 and natural latex as the main raw materials , nano - CaCO 3 < / sub> preparation process and NR preparation process , controlled reaction conditions first Ca (OH ) 2 with CO 2 reaction nano CaCO , 3 emulsion blended with natural rubber latex , a total of condensate preparation of nano- CaCO 3 / NR composites . By SEM, TEM , IR , DSC and DMA analysis and determination of properties of nano - CaCO 3 preparation conditions , fill the amount of nano - CaCO 3 < / sub > / NR composite structures and the impact of the performance . By orthogonal experimental design , analysis of the impact of various factors on the performance of composite materials , the results show that the method of this study . Na 5 P 3 O 10 crystal form control agents , C 12 H 25 the NaO 3 S modifier EDTA dispersant by emulsion co-coagulation method to prepare nano the CaCO 3 / NR composites suitable preparation process conditions : modifier 3.00% concentration , a carbonization temperature 20 ° C , 0.60% of the crystal shape control agent concentration , the dispersant concentration 0.65 % Ca (OH ) 2 concentration of 7.50% . The present method compared with the mechanical blending method , improved Nano of CaCO 3 , NR matrix dispersion and nano CaCO 3 of NR reinforcing effect , improved nano-CaCO 3 / NR composite mechanical properties .

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CLC: > Industrial Technology > General industrial technology > Materials science and engineering > Composite materials > Non-metallic composite materials
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