Dynamics Simulation on the Associative Properties of Amphiphilic Functional Monomer Modified Polyacr

来源 :Chinese Journal of Polymer Science | 被引量 : 0次 | 上传用户:shihongxin
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A kind of amphiphilic functional monomer was selected to modify polyacrylamide(PAM) or partially hydrolyzed polyacrylamide(HPAM). The relative properties of the modified polyacrylamide(HM-PAM) and modified partially hydrolyzed polyacrylamide(HM-HPAM) such as radius of gyration(Rg), hydrodynamic radius(RH), and radial distribution functions(RDFs) have been studied to find the intrinsic relation between the microstructure of the polymer chain and the intrinsic viscosities with changing the amount of modified monomers from 1% to 4%. The simulation results show that, compared to HPAM, HM-HPAM has a better performance in increasing viscosity when the percentage of modified monomers is 2% and has a stronger salt tolerance when the modified monomers is 4%. Furthermore, a complex hydrogen bonding network was revealed with the analysis of radial distribution functions(RDFs) and the pair correlation function was used to investigate the diffusivity of Na+ and carbon atoms in the COO― group. A kind of amphiphilic functional monomer was selected to modify polyacrylamide (PAM) or partially hydrolyzed polyacrylamide (HPAM). The relative properties of the modified polyacrylamide (HM-PAM) and modified partially hydrolyzed polyacrylamide Rg), hydrodynamic radius (RH), and radial distribution functions (RDFs) have been studied to find the intrinsic relation between the microstructure of the polymer chain and the intrinsic viscosities with changing the amount of modified monomers from 1% to 4%. The simulation results show that, compared to HPAM, HM-HPAM has a better performance in increasing viscosity when the percentage of modified monomers is 2% and has stronger salt tolerance when the modified monomers is 4%. Furthermore, a complex hydrogen bonding network was revealed with the analysis of radial distribution functions (RDFs) and the pair correlation function was used to investigate the diffusivity of Na + and carbon atoms in the COO-group.
其他文献
结节性硬化症12例临床分析青海省儿童医院(810007)吕会结节性硬化症是一种常染色体显性遗传疾病,临床以癫痫发作、智力低下和面部皮脂腺瘤为特征。我院近年来经临床和CT检查确诊的12例结节性
根据1995年全国第二轮大骨节病(KBD)监测方案的要求和部署,我们于今年4月上旬对乌审旗纳林河乡进行了第4年的KBD病情监测。1对象与方法以小学校为单位,选择7~13岁儿童为监测对象,进行临床和X线检查。
以丙烯酸甲酯和乙二胺为原料,采用发散法合成了外围分别为4个、8个和16个—COOCH3的树枝状化合物(简记为MCMD4、MCMD8和MCMD16),在碱性条件下水解衍生为外围分别是4个、8个和
中国海洋石油总公司(简称中海油)于2012年1月4日宣布,将一个关于焦炉气与额外CO2转化成合成天然气(SNG)和液化天然气(LNG)的合同授予托普索公司。这是托普索公司承接的中国第
甘露醇静脉注射致过敏性休克,临床上不多见,笔者所遇1例报道如下。 Mannitol intravenous injection of anaphylactic shock, clinically rare, I encountered a reported
为整合人力资源,发挥中央民族歌舞团的名牌效应,充分利用中央民族歌舞团的硬件优势以及民族歌舞艺术教学优势,挖掘青年编导的潜力,给青年编导广阔的创作空间,提供展现才华的
Based on the linguistic theory of general stylistics,the current article probes into the Lyric“Wavin’Flag”in the following three parts,the first part focus o
笔者对新疆自治区维吾尔医医院2006年1月1日-12月31日的门诊特殊慢性病处方作了初步审查分析,在审查的28370张处方中,普遍存在着给药量大、给药时间长、诊断与药品或诊疗项目
煤层气俗称瓦斯。它以吸附态赋存于煤层及邻近岩石层中,当其浓度达到5%—16%时,遇到明火便会发生爆炸。中国煤矿安全事故80%与它有关。然而,它又是一种比石油、天然气更清洁
Objective To examine the effect of oral Bordetella pertussis on the asthma mice sensitized by ovalbumin(OVA),and explore the possible mechanism.Methods Culture