本发明还公开包含本文所述的聚缩醛组合物的制品。
Also disclosed are articles of manufacture comprising the polyacetal compositions described herein.
以三聚乙醛和异丁醇为原料，合成了二异丁基乙缩醛。
Diisobutyl acetal was synthesized by the condensation of paraldehyde and iso-butyl alcohol.
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 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.
紫外被稳定的缩醛均聚物，黑色，中等黏度。
该组合物包括含水碱性溶剂可溶性酚醛树脂或聚(乙烯醇缩醛)作为聚合物粘结剂。
The compositions include an aqueous alkaline solvent soluble phenolic resin or poly (vinyl acetal) as a polymeric binder.
讨论了聚乙烯醇缩甲醛胶、聚醋酸乙烯酯胶、脲醛胶、淀粉胶的改性途径，介绍了各改性产品的配方及其性能比较。
Ways to modify the gels of polyvinyl formal, polyvinyl acetate, urea-formaldehyde and amylum are plesented and formulae and alternate properties of various modified products introduced.
讨论了聚乙烯醇缩甲醛胶、聚醋酸乙烯酯胶、脲醛胶、淀粉胶的改性途径，介绍了各改性产品的配方及其性能比较。
Ways to modify the gels of polyvinyl formal, polyvinyl acetate, urea-formaldehyde and amylum are plesented and formulae and alternate properties of various modified products introduced.
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