<正>A new kind of binary hydrogels composed of poly(dimethylaminoethylmethacrylate)(PDMAEMA)and poly(ethylene oxide)(PEO)with varying weight average molecular w
<正>A method to quantify crazing deformations by tensile tests for polystyrene (PS) and polyolefin elastomer (POE) blends was investigated. The toughness of PS/