Transparent molded objects, optical member, plastic lens, and processes for producing these
申请人:——
公开号:US20040151915A1
公开(公告)日:2004-08-05
A transparent molded article comprised of a polymer of the following components (A) and (B), characterized in that said polymer further comprises the following components (C) and (D). A transparent molded article comprised of a polymer of the following components (A) and (B), characterized in that said polymer further comprises the following component (G). An optical member comprising an antireflective layer directly or indirectly on a polyurethane urea polymer substrate, characterized in that said antireflective layer is a multilayer antireflective layer comprising a ½ &lgr; layer, and said ½ &lgr; layer comprises a plural high refractive index layers comprising niobium oxide or niobium oxide, zirconium oxide and yttrium oxide, and a layer comprised of silicon dioxide positioned between the high refractive index layers.
Component (A): isocyanate terminal prepolymer in the form of a reaction product of an aliphatic diisocyanate having an intramolecular cyclic structure and a diol having an average molecular weight of 300-2,500
Component (B): one or more aromatic diamines denoted by general formula (I). (In general formula (I), R
1
, R
2
and R
3
are each dependently any of a methyl, ethyl or thiomethyl group.)
Component (C): one or more phosphoric acid monoesters denoted by general formula (II). (In general formula (II), R
4
is an alkyl group with a carbon number of 1-10 and n
1
is 1 or 2.)
Component (D): one or more phosphoric acid diesters denoted by general formula (III). (In general formula (III), R
5
and R
6
are each dependently an alkyl group with a carbon number of 1-10 and n
2
and n
3
are 1 or 2.)
1
Component (G): one or more phosphorous peroxide decomposing agents.
透明模压件,由以下组分(A)和(B)的聚合物组成,其特征在于该聚合物还包括以下组分(C)和(D)。透明模压件,由以下组分(A)和(B)的聚合物组成,其特征在于该聚合物还包括以下组分(G)。光学元件,包括直接或间接放置在聚氨酯脲聚合物基底上的防反射层,其特征在于该防反射层是多层防反射层,包括1/2 λ层,该1/2 λ层包括多个高折射率层,其中包括氧化铌或氧化铌、氧化锆和氧化钇的高折射率层,以及位于高折射率层之间的二氧化硅层。组分(A):端基异氰酸酯预聚物,形式为具有分子量为300-2,500的二元醇和具有分子内环状结构的脂肪族二异氰酸酯反应产物。组分(B):一个或多个芳香族二胺,由通式(I)表示。(在通式(I)中,R1、R2和R3各自独立为甲基、乙基或硫代甲基中的任意一种基团。)组分(C):一个或多个磷酸单酯,由通式(II)表示。(在通式(II)中,R4是具有1-10个碳原子数的烷基,n1为1或2。)组分(D):一个或多个磷酸二酯,由通式(III)表示。(在通式(III)中,R5和R6各自独立为具有1-10个碳原子数的烷基,n2和n3为1或2。)组分(G):一个或多个磷过氧化物分解剂。