The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点；
The invention discloses a star poly-(methyl)acrylate long-chain ester polymer and a preparation method thereof.
本发明公开了一种星型聚（甲基）丙烯酸长链酯聚合物及其制备方法。
Thus, this polymer catalyst is especially suited to the hydrogenation of the ethylenic double bonds which are linked to aromatic, cyano, carboxyl and ester groups.
苯基、氰基、酯基、羧基在反应中不受影响。因此，这一聚合物催化剂特别适用于和芳基、腈基、羧基和酯基相连的双键的氢化。
An acrylic acid ester polymer having improved characteristics and oleaginous compositions containing the acrylic acid ester polymer.
一种具有改进特性的丙烯酸酯聚合物以及含有该丙烯酸酯聚合物的油质组合物。
Synthesis of Water-soluble Hyperbranched Polymer with Alternating Amido, Tertiary Amino and Ester Units from Benzene-1,2,4-tricarboxylic Acid-1,2-anhydride and N-(2-Hydroxyethyl)piperazine.
由苯-1，2，4-三羧酸-1，2-酐和羟乙基哌嗪合成酰胺键、叔氨和酯键交替排列的水溶性超支化聚合物。
Plasticizer DOTP was prepared from ethylene glycol residue (major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.
以聚酯生产中产生的下脚料——乙二醇残渣(主要含PET低聚物)为原料，采用辛醇合并醇解、酯交换一步法工艺，合成了增塑剂DOTP。
Novolac cyanate ester resin is one of the high ablative-resisting polymer based materials. It also has superior heat-resistance, dielectric and mechanical properties.
酚醛型氰酸酯树脂是耐烧蚀性能最好的树脂材料之一，它具有优异耐热性和介电性能，同时又具有一定力学性能。
The invention relates to an interpenetrating polymer network prepared by in-situ ester interchange method and an application thereof.
本发明涉及一种原位酯交换法制备的互穿网络及其应用。
The invention relates to an interpenetrating polymer network prepared by in-situ ester interchange method and an application thereof.
本发明涉及一种原位酯交换法制备的互穿网络及其应用。
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