申请人:Xie Chunping
公开号:US20050239926A1
公开(公告)日:2005-10-27
An acetal-based composition useful as a nucleating, gelling, thickening or clarifying agent is disclosed. The composition may be synthesized or provided in many different forms, including multicarbon diacetals formed from carbohydrates. Once synthesized, the compound may be employed as an additive in a plastic composition, such as (for example) a polypropylene copolymer. Co-additives may also be employed. Several aryl structures may reside upon the hydrocarbon chain backbone. One structure of such an acetal-based composition which happens to have two aryl-containing groups is shown:
wherein: n is 0, 1 or 2;
Ar
1
and Ar
2
are independently selected from substituted or unsubstituted aryl-containing groups; and R is selected from the group consisting of: alkenyls, alkyls, alkoxy, hydroxyl alkyls, and alkyl-halides.
本发明揭示了一种基于缩醛的组合物,可用作成核、凝胶、增稠或澄清剂。该组合物可以合成或以许多不同的形式提供,包括由碳水化合物形成的多碳二缩醛。一旦合成,该化合物可以作为添加剂用于塑料组合物中,例如聚丙烯共聚物。也可以使用共添加剂。几种芳基结构可以存在于烃链骨架上。其中一种具有两个含芳基的基团的缩醛基组合物的结构如下所示:其中:n为0、1或2;Ar1和Ar2独立选择自取代或未取代的含芳基团;R选择自烯丙基、烷基、烷氧基、羟基烷基和烷基卤代物的群。