嵌段共聚物

The low isotactic polypropylene grafted by MAH in the presence of St as com-onomer was prepared by solution reaction.

低等规聚丙烯是由等规立构和间规立构组成的嵌段共聚物，具有低的结晶性能、良好的粘接性和加工性能，在胶粘剂领域有着广阔的应用前景。

The micelles of these copolymers were prepared and characterized.

采用不同的方法制备了嵌段共聚物胶束，并且对胶束进行了表征。

For bulk cylinder-forming diblock copolymers, a series of novel structures such as helices and stacked toroids are identified which cannot form in bulk block copolymers.

对体相形成柱状相的双嵌段共聚物，在不同孔径的孔内我们观察到了一系列体相不存在的螺旋和层叠圆环等新奇结构。

Dynamic laser light-scattering experiment indicated that PEO-PAn and PAn-PEO-PAn aggregated in DMF, and their aggregation radiuses were about 40-60nm.

所合成的嵌段共聚物PAn-PEO，PAn-PEO-PAn通过动态激光散射测量表明：在选择性溶剂DMF中形成了胶束，它们的胶束半径在40-60nm之间。

Excess 40% potassium hydrate solution was added into the triblock copolymers PMA-b-PS-b-PMA solution in THF.

将制得的三嵌段共聚物PMA-b-PS-b-PMA在四氢呋喃中溶解，加入过量的40%氢氧化钾溶液，在75℃下回流48小时。

For the bulk cylinder-forming diblock copolymers, the cross sections of the confining channels also include rectangules, regular hexagons and regular octagons besides the above mentioned shapes.

对体相形成柱状相的双嵌段共聚物，除了以上几种截面外，还涉及长方形、正六边形和正八边形截面的纳米孔。

To Al2 (SO4) 3 and different amounts of urea as raw material, two-block copolymer P - b-P the existence, Microwave prepared by the spherical coral Boehmite, 800 ℃ calcining, Alumina is a powder.

以Al2(SO4)3和不同量的尿素为原料，两亲嵌段共聚物P-b-P的存在，利用微波法制备出珊瑚球状的勃姆石，经800℃煅烧后，得到了氧化铝粉体。

Microwave; Alumina; Two-block copolymer P - b-P HEA

微波法；氧化铝；两亲嵌段共聚物 P-b-PHEA

The distribution of star homopolymer within the microphases is investigated based on enthalpic and entropic effects.

第二部分：为了考察分子参数和分子链拓扑构型对聚合物相结构的影响以及发现新的有序结构，在实验上需要合成大量的嵌段共聚物。

G/mL. These micelles consist of a PS core surrounded by a watersoluble PAA corona.

利用芘荧光探针研究了两种PS-b-PAA嵌段共聚物在水溶液中的自组装行为，并考察了对退火温度的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。