首页> 外文会议>22nd Annual Meeting of the Adhesion Society, Feb 21-24, 1999, Panama City Beach, Florida >THE EFFECT OF ACRYLIC ACID MOIETIES ON THE ADHESIVE AND STRUCTURAL PROPERTIES OF ABA TRIBLOCK GELS
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THE EFFECT OF ACRYLIC ACID MOIETIES ON THE ADHESIVE AND STRUCTURAL PROPERTIES OF ABA TRIBLOCK GELS

机译:丙烯酸部分对ABA三嵌段凝胶的吸附和结构性质的影响

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We have used small angle X-ray scattering experiments to examine the microstructure of ABA triblock copolymer gels, formed by diluting the polymer with a selective solvent for the B block. We evaluate different polymers formed from this method by probing the adhesive behavior of "dried" polymer layers produced via a swollen gel state. The few mole percent of acrylic acid moieties within the rubbery PNBA chains do not affect the structural formation of the gel, as shown by comparisons to a "methylated" version of the same polymer. However, when the solvent is removed from the gel to create a "dried" polymer, these functional groups significantly enhance the adhesive properties of the polymer layer.
机译:我们已经使用小角度X射线散射实验来检查ABA三嵌段共聚物凝胶的微观结构,这种凝胶是通过用B嵌段的选择性溶剂稀释聚合物而形成的。我们通过探查通过溶胀的凝胶态产生的“干燥”聚合物层的粘合性能,来评估由该方法形成的不同聚合物。通过与相同聚合物的“甲基化”形式进行比较可以看出,橡胶状PNBA链中的丙烯酸部分的摩尔百分比很少,不会影响凝胶的结构形成。但是,当从凝胶中除去溶剂以产生“干燥的”聚合物时,这些官能团显着增强了聚合物层的粘合性能。

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