| 查看: 1591 | 回复: 21 | |||
| 【奖励】 本帖被评价19次，作者jjzhao72增加金币 15 个 | |||
[资源]
环氧乙烯基树脂的合成和改性Vinyl ester resin（英文综述）
|
|||
|
Chapter 1. Literature Review 1.1. Introduction Vinyl ester resins are addition products of various epoxide resins and unsaturated monocarboxylic acids, most commonly methacrylic acid.They have terminal reactive double bonds derived from the carboxylic acid used. These reactive groups can form a crosslinked network with or without the addition of a comonomer. In many industrial products, vinyl ester resins are comprised of 40-50 wt.% styrene. In dental applications triethylene glycol dimethacrylate is the comonomer. It is common to dilute the vinyl ester oligomers with a low molecular weight comonomer, such as styrene, vinyltoluene or methyl methacrylate, to reduce the room temperature viscosity of the mixture and yield a solution with a typical viscosity in the range of 200 to 2000 cps. Vinyl ester resins combine the best properties of epoxies and unsaturated polyesters. They can be easily handled at room temperature and have mechanical properties similar to epoxy resins. They have better chemical resistance than cheaper polyester resins, especially hydrolytic stability, and at the same time offer greater control over cure rate and reaction conditions than epoxy resins. The unsaturated bonds on the termini of the vinyl ester oligomers copolymerize with the comonomer to form a crosslinked network similar to the curing reactions of unsaturated polyesters. Vinyl ester resins are similar to unsaturated polyester resins in that both systems contain styrene monomer as a reactive diluent and that both unsaturated polyester and vinyl esters provide crosslink sites. However, the physical properties of the vinyl ester networks are, in general, superior to the unsaturated polyesters,particularly corrosion resistance. This can be at least partially attributed to the fact that the vinyl esters have reactive double bonds at the ends of the chains only, while the unsaturated polyester resins have the reactive double bonds distributed throughout the chains. |
回复此楼» 本帖附件资源列表
-
欢迎监督和反馈：小木虫仅提供交流平台，不对该内容负责。
本内容由用户自主发布，如果其内容涉及到知识产权问题，其责任在于用户本人，如对版权有异议，请联系邮箱：xiaomuchong@tal.com - 附件 1 : Vinyl_ester_Literature_review.pdf
2013-07-19 09:26:40, 136.41 K
» 收录本帖的淘帖专辑推荐
 文献参考 |
» 猜你喜欢
308求调剂
已经有4人回复
-
NSFC申报书里申请人简历中代表性论著还需要在申报书最后的附件里面再上传一遍吗
已经有14人回复
-
材料与化工一志愿南昌大学327求调剂推荐
已经有6人回复
-
化学调剂0703
已经有7人回复
-
327求调剂
已经有11人回复
-
调剂
已经有8人回复
-
梁成伟老师课题组欢迎你的加入
已经有7人回复
-
伙伴们，祝我生日快乐吧
已经有24人回复
-
中科院材料273求调剂
已经有3人回复
-
材料工程专硕274一志愿211求调剂
已经有5人回复
12楼2015-04-06 12:20:51
简单回复
2013-07-19 13:47
回复
五星好评 顶一下，感谢分享！
2013-07-19 17:26
回复
五星好评 顶一下，感谢分享！
2013-07-22 12:01
回复
五星好评 顶一下，感谢分享！
2013-07-29 22:40
回复
五星好评 顶一下，感谢分享！
2013-07-29 22:40
回复
顶一下，感谢分享！
2013-09-27 08:50
回复
五星好评 顶一下，感谢分享！
迎娟8楼
2013-10-22 18:01
回复
五星好评 感谢分享
2013-10-22 19:17
回复
五星好评 顶一下，感谢分享！
yzgyyxx201110楼
2014-05-17 15:43
回复
五星好评 顶一下，感谢分享！
hummerwjl11楼
2014-09-18 13:23
回复
五星好评 顶一下，感谢分享！
ldywzq13楼
2015-04-07 13:20
回复
五星好评 顶一下，感谢分享！
syf198714楼
2015-05-13 21:33
回复
五星好评 顶一下，感谢分享！
tongmingkang15楼
2015-07-01 16:40
回复
五星好评 顶一下，感谢分享！
zq_shi16楼
2015-07-28 09:50
回复
五星好评 顶一下，感谢分享！
yixin199217楼
2016-03-07 16:34
回复
三星好评 顶一下，感谢分享！
我入地狱18楼
2016-07-09 10:12
回复
五星好评 顶一下，感谢分享！
淡定的的的19楼
2016-11-03 15:02
回复
五星好评 顶一下，感谢分享！
ilytd20楼
2016-12-18 12:33
回复
五星好评 顶一下，感谢分享！
lyw10643739221楼
2017-01-29 14:40
回复
五星好评 顶一下，感谢分享！
csrj22楼
2020-11-01 14:58
回复
五星好评 顶一下，感谢分享！
