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Electrochemical oxidation of carbon fiber content of surface functional groups of factors


Sodium oxide, the treated fiber surface content of acidic functional groups are more 'a 13 - Qingdao University Volume 13 is low, and with the level of each factor did not change significantly. Range analysis results show that in Table 4. Within the experimental range, affecting the amount of surface acidic functional groups of the main factors homes electrolyte type, electrolyte concentration in the least significant. Table 3 orthogonal experiment results declined 4 fold range points: Ao Yuan accounting for E ■ * blush exporters compared with the untreated sample from the difference between the small-minded Gou E ■ y-shirt maker Wei Zhou Electric degree of valve drive (mA / cm ) loop 1 after treatment with different electrolyte surface acidic functional groups of carbon fiber volume trend with current density of the mouth of a prince Yu H} SO ・ ● - HNO10 - HAc ? accounted for treatment-resistant breaking round-shirts with (1/mln) electrolyte concentration (tool / L) around two different electrolyte Wo fiber surface after 3 Kids in different acidic electrolytes official carbon fiber surface after the number of acidic functional field with the trend of the processing time to circle the number of groups with the trend of concentration of electrolyte mouth - HtSO ~ ● - HNOt0 a HAc mouth of a HIsO '● - HNO, 0 a HAc △ - HaPO ・ mouth of a (N) ICOs chu a N80HA - H,[link widoczny dla zalogowanych], PO ・ mouth of a (NH ・) jCOl ▲ - NaOH Figure 1,2 , 3 drawn through the electrolyte treatment, the fiber content of surface acidic functional groups with the trend of the level of each factor. These results indicate that for different electrolytes, because the mechanism of electrochemical oxidation (the pages turn 2l) 14 Liu Shaomin,[link widoczny dla zalogowanych], etc.; zinc borate zinc borate ZB2335 ZBlll into research (1) NazB'O7 ・ 10HzO + ZnSO. ・ 7H: O +2 NaOH a 2ZnO ・ B2O3 ・ H2O +2 Na2So '+17 H2O (2) 2 (ZnO ・ B2O3 ・ H2O) +2 HlBOa = 2ZnO ・ 3BzO3 ・ 3.5H2O +1.5 H2O The production of zinc borate ZB2335, except greatly improved utilization of raw materials, there are two kinds of flame retardant products generated. References 1 Wang Yueqing. Introduction of foreign fire Jing. Ministry of Chemical Industry Science and Technology Information Center Salt Point, 1990,22 Huan Lu ice. Flame retardant polyolefin Jing. Liaoning Chemical Industry. 1986.12 Han Limin. Overseas Development Trend of Jing plastic flame retardant. Modern Chemical Industry. 1989.94FlameRet ~ dancyofpolymericmaterlates. 1972-15 India the mountain. FB Jing Synthesis and application of fire retardant. Chemistry World, 19826 Li Jun, Gao Yang. Borate. Salt Lake Research, 19927 South China Institute of Technology Department of Inorganic Chemistry Group with. Inorganic Chemistry. King careless 1985.68 weeks. Synthesis of low water and application of zinc borate. Shandong Chemical Industry. 1992.29 Liu Bumin and so on. Boric acid concentration required for synthesis of ZB2335. Qingdao University (Engineering Wei). 1997,11 O hole forgiven piano and so on. Industrial waste as raw material, low water overflow zinc borate. Liaoning Chemical Industry, 1991.61lB. P. 1848900Eng】 and (on the next page 14) different content of surface acidic functional groups with different treatment conditions showed a different variation. Orthogonal experimental results show that: in the process of electrochemical oxidation of carbon fiber, electrolytes affect the type of carbon fiber surface after acidic functional groups of the most important factor, followed by treatment time and current density, electrolyte concentration in the least significant. In the selected electrolyte electrolyte acid electrolyte and salts on the surface of carbon fiber content of acidic functional groups have significant impact, while the alkaline electrolyte was not significant. Reference Room W Jun,[link widoczny dla zalogowanych], Daijin Jin, Wang Jusheng. Textile Research. 1992.13 (1) t8 ~ l0 room W Jun,[link widoczny dla zalogowanych], Dai Jin classes. Wang Jusheng. Textile Research. 1992.13 (9); 1o ~ 12 Jun room wide, Dai Jinjin. Wang Jusheng. Textile Research. 1994.15 (1) 4 ~ 6FangKuann, eta1. JounmlofChinaTextileUnlverslty ,[link widoczny dla zalogowanych],1992-9 (4) l15 ~ 19F ugly T1gKuann. etal_JournalofChinaTextileUnlverslty. 1994.11 (2): 79 Jun 83 wide rooms, Dai Jinjin. Wang Jusheng. Qingdao University (Engineering and Technology), 1995,10 (1), 38 ~ 4421

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