So , the probability of adsorption of ldl to adsorbents increases in the presence of ca2 + . in addition , an octahedral coordination geometry that is beneficial to the adsorption for ldl may be formed around a calcium ion between neighboring sde ligands immobilized on paa 另外，从空间构象来考虑，当向吸附体系中加入caz ”后，固定于载体表面或其孔洞内的多个相邻配体及其间隔臂分子围绕钙离子可能形成一个有利于l l结合的八面体结构，这样也利于本吸附剂对ldl的吸附。
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 ) 第二节溶液插层共聚制备聚丙烯酸盐/丙烯酰胺/膨润土杂化吸水材料及其性能研究首次利用溶液插层共聚制备了二丙烯酰基乙二醇酯（ egda ）交联的聚丙烯酸盐/丙烯酰胺/膨润土（ paa / am / mmt ）杂化吸水材料。
Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques . four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions 本课题开展了两个模板体系的研究，即分别以丙烯酸( aa )和甲基丙烯酸( maa )为聚合单体，利用反相乳液聚合方法合成了几种包埋有不同金属离子的高分子微凝胶。
The morphology of self - assembled monolayers of mercapto methoxy poly ethylene glycol mpeg and its complex film with poly acrylic acid were investigated with atomic force microscopy . the roughness of the complex film was affected by the concentration and the ionic strength of paa solution , and some rougher complex film were formed in a solution with high concentration of paa and stronger ionic strength 利用afm技术研究了聚丙烯酸在末端硫醇化的聚乙二醇分子自组装膜表面形成复合膜的表面形态及影响因素，发现溶液浓度和离子强度对复合膜的表面形态及粗糙度有较大影响。
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 本论文还以低分子量的聚丙烯酸和硝酸银为主要原料，通过控制体系的ph值合成响应环境ph值变化的聚丙烯酸银纳米微球和纳米柱状物，通过tem观察尺寸达20 - 40nm ，用ir 、 uv - vis 、荧光、电导率法分析聚丙烯酸和银的配位作用、所形成配合物的组成与结构，并将聚丙烯酸和硝酸银置于“线性反应器”中进行配位聚合，合成出线性排列的paa - ag纳米微球。
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 基膜选用聚醚砜超滤膜,聚丙烯酸浓度为0 . 05wt % ,聚丙烯酸与聚乙烯亚胺浓度配比为1 / 5 - 1 / 10 ,复合四层, paa分子量4000000 ,首层过滤时间10min ,过滤反应时间20min 。
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 ) 第三章插层共聚制备剥离型聚丙烯酸/丙烯酰胺/膨润土纳米杂化材料及其热性能研究利用732阳离子交换树脂对膨润土进行钠化，二次插层对钠化膨润土进行处理，溶液共聚法制备了剥离型聚丙烯酸/丙烯酰胺/膨润土（ paa / am / mmt ）纳米杂化材料。
