paa polyacrylic acid 中文意思是什麼

paa polyacrylic acid 解釋
聚丙烯酸
  • paa : PAA ＝Pan American World Airways 〈美國〉泛美航空公司（1991年合併于 Delta 航空公司）。
  • polyacrylic : 聚丙烯酸的
  • acid : adj. 1. 酸味的。2. 【化學】酸的，酸性的。3. 〈比喻〉尖酸刻薄的，易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  1. Section one : preparation of polyacrylic acid / montmorillonite ( paa / mmt ) water absorbent hybrids by aqueous solution intercalated polymerization as montmorillonite is easily dispersed in water uniformly, the polyacrylic acid / montmorillonite ( paa / mmt ) was prepared by simple aqueous solution intercalated polymerization

    並利用紅外（ ft - ir ） 、 x ?射線衍射（ xrd ）對產品進行了表徵，結果證明此材料為嵌入型插層復合物。
  2. The results indicated that montmorillonite was intercalated by polyacrylic acid molecular. section two : preparation of polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt ) water absorbent hybrid by aqueous solution intercalated polymerization high water absorbent polyacrylate copolymer was prepared by aqueous solution intercalated copolymerization. in this reaction, the monomers were the partially neutralized acrylic acid ( aa ) and acryl amide ( am ) ; the cross - linking agent was diacryl ethylene ( egda )

    第二節溶液插層共聚制備聚丙烯酸鹽/丙烯酰胺/膨潤土雜化吸水材料及其性能研究首次利用溶液插層共聚制備了二丙烯酰基乙二醇酯（ egda ）交聯的聚丙烯酸鹽/丙烯酰胺/膨潤土（ paa / am / mmt ）雜化吸水材料。
  3. The support membrane is polyethersulfone ultrafiltration membrane, the concentration of polyacrylic acid was selected at 0. 05wt %, a suitable paa / pei ratio was 1 / 5 - 1 / 10 with a number of 4 bilayers. the molecular weight of paa was 4 000 000. the corresponding filtration time of the first paa layer range was 10 minutes while the reaction time was 20 minutes

    基膜選用聚醚碸超濾膜，聚丙烯酸濃度為0 . 05wt % ，聚丙烯酸與聚乙烯亞胺濃度配比為1 / 5 - 1 / 10 ，復合四層， paa分子量4000000 ，首層過濾時間10min ，過濾反應時間20min 。
  4. Tem reveals that the complex possessed good dispersibility in the system and the status varied reversibility with the ph value and the size of the complex is within 20 ~ 40nm. the complex was characterized by ft - ir, uv - vis, fluoresence and electrical conductivity methods. paa - ag nanospheres were also synthesized by coordination of polyacrylic acid and silver ( i ) ion and queued in line in lr

    本論文還以低分子量的聚丙烯酸和硝酸銀為主要原料，通過控制體系的ph值合成響應環境ph值變化的聚丙烯酸銀納米微球和納米柱狀物，通過tem觀察尺寸達20 - 40nm ，用ir 、 uv - vis 、熒光、電導率法分析聚丙烯酸和銀的配位作用、所形成配合物的組成與結構，並將聚丙烯酸和硝酸銀置於「線性反應器」中進行配位聚合，合成出線性排列的paa - ag納米微球。
  5. Part : study on the intercalated copolymerization and properties of exfoliated polyacrylic acid / acryl amide / montmorillonite ( paa / am / mmt ) hybrid using cation exchange resin as cation source, the montmorillonite convert to sodium form by means of the cation exchange reaction of the montmorillonite and cation resin. the two - step intercalation method by using two different organic salts was sued in the modification of montmorillonie. its effect was much better in preparing polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt )

    第三章插層共聚制備剝離型聚丙烯酸/丙烯酰胺/膨潤土納米雜化材料及其熱性能研究利用732陽離子交換樹脂對膨潤土進行鈉化，二次插層對鈉化膨潤土進行處理，溶液共聚法制備了剝離型聚丙烯酸/丙烯酰胺/膨潤土（ paa / am / mmt ）納米雜化材料。
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