Polymerizable compositions for manufacturing transparent polymeric substrates, resulting transparent polymeric substrates and their applications in the optical field
申请人:Essilor International Compagnie Generale d'Optique
公开号:US20020115819A1
公开(公告)日:2002-08-22
The compositions comprise:
(a) at least 40 parts by weight, preferably at least 50 parts by weight, of at least one thio(meth)acrylate monomer,
(b) at least one high Abbe number monomer,
(c) at the most 20 parts by weight, preferably at the most 15 parts by weight and more preferably 10 parts by weight of an aromatic polyvinyl monomer, and
(d) at least one polythiol, for 100 parts by weight of (a), (b), (c) and (d).
Application for the manufacture of optical lenses.
组合物包括
(a) 至少一种硫代(甲基)丙烯酸酯单体,按重量计至少 40 份,最好至少 50 份、
(b) 至少一种高阿贝数单体、
(c) 至多 20 份(按重量计),最好是至多 15 份(按重量计),更可取的是 10 份(按重量计)芳香族聚乙烯单体,以及
(d) 至少一种聚硫醇,以(a)、(b)、(c)和(d)的 100 重量份计。
适用于制造光学镜片。