WACKER Lehrstuhl für Makromolekulare Chemie, Technische Universität München, Lichtenbergstraße 4, 85748 München, Germany.
Macromol Rapid Commun. 2013 Feb 12;34(3):221-6. doi: 10.1002/marc.201200537. Epub 2012 Nov 6.
In this work, new, crosslinkable copolymers from propylene and di-tert-butoxy(methyl)(oct-7-enyl)silane are presented. The silane-functionalized monomer is obtained by hydrosilylation of 1,7-octadiene with dichloromethylsilane, followed by the substitution of the chloro atoms by tert-butoxy groups. Homopolymerization and copolymerization with propylene are performed using rac-[ethylenebis(indenyl)]zirconium dichloride. The tert-butoxysilane groups are easily cleaved by acid-catalyzed processes. The resulting copolymer can be completely crosslinked via the tert-butoxysilane functionality to obtain insoluble polymeric material and the gel content of the polymers with different silane content is determined. This method allows control of the copolymer composition and thus of the subsequent extent of crosslinking.
在这项工作中，提出了一种由丙烯和二-tert-丁氧基（甲基）（辛-7-烯基）硅烷合成的新型可交联共聚物。硅烷官能化单体是通过 1,7-辛二烯与二氯甲基硅烷的氢硅烷化反应，然后用叔丁氧基取代氯原子得到的。使用 rac-[乙烯双（茚基）]二氯化锆进行均聚和与丙烯共聚。叔丁氧基硅烷基团很容易通过酸催化过程裂解。所得共聚物可通过叔丁氧基硅烷官能度完全交联，得到不溶性聚合物材料，并测定具有不同硅烷含量的聚合物的凝胶含量。该方法可以控制共聚物的组成，从而控制随后的交联程度。
