Pmma gel type li - ion batteries are prepared by radical polymerization . the effects of the mma monomer , initiator and methods of polymerization are studied 甲基丙烯酸甲酯( mma )单体、引发剂和聚合条件都对电池性能产生影响。
Light transmitting profiled plastic sheeting for single skin roofing - specific requirements , test methods and performance of polymethylmethacrylate sheets 单层屋顶用透光成型塑料薄板.聚甲基丙烯酸甲酯板的特殊要求试验方法和性能
Increased needle injection pressure was obsered as the olume of pmma increases and as the distribution of pmma is in close proximity to the cortical walls 同时，使用的聚甲基丙烯酸甲酯黏合剂的体积的增加还可以增大融合椎体的强度。
Plastics - methyl methacrylate - acrylonitrile - butadiene - styrene moulding and extrusion materials - preparation of test specimens and determination of properties 塑料.甲基丙烯酸甲酯丙烯腈丁二烯苯乙烯模塑和挤塑材料.试样制备和性能测定
Light transmitting profiled plastic sheeting for single skin roofing - part 5 : specific requirements , test methods and performance of polymethylmethacrylate sheets 单层屋顶用透光异型塑料板.第5部分:聚甲基丙烯酸甲酯薄板的特殊要求试验方法和性能
Pmm light transmitting profiled plastic sheeting for single skin roofing - part 5 : specific requirements , test methods and performance of polymethylmethacrylate sheets ; german version en 1013 - 5 : 2000 单层屋顶反光塑料型板.第5部分:聚甲基丙烯酸甲酯
Plastics - methyl methacrylate acrylonitrile butadiene styrene moulding and extrusion materials - part 2 : preparation of test specimens and determination of properties 塑料.甲基丙烯酸甲酯丙烯腈丁二烯苯乙烯模塑和挤塑材料.第2部分:试样的制备和特性的测定
A new conductive pmma / graphite nano - composite was synthesized through intercalating mma monomer into the layer of expanded graphite by in - situ polymerization 摘要通过原位聚合将甲基丙烯酸甲酯( mma )单体插入膨胀石墨层间，制备出以石墨层片为纳米分散相的导电复合材料。
Tem images revealed that a carbon encapsulated core / shell structure was formed in the composites , which could ensure good dispersion of carbon nanoparticles within pmma matrix 透射电镜结果表明纳米碳可与聚甲基丙烯酸甲酯形成核壳结构，使得纳米碳均匀分散于聚合物基体中。
The copolymerizations of the objective monomers with methyl methacrylate ( mma ) were carried out . these polymers were characterized using ft - ir , uv , 1hnmr , and gpc . 5 并将目标单体与甲基丙烯酸甲酯共聚，通过~ 1h - nmr 、 ft - ir 、 uv和gpc等方法对聚合物的结构进行了表征。
