Optical recording material comprising a bis-dithiobenzilnickel complex
申请人:Nippon Paper Industries Co., Ltd.
公开号:US05484689A1
公开(公告)日:1996-01-16
A benzoin compound is synthesized from phenylglyoxal and a substituted benzene derivative, and the resulting benzoin compound is converted to a bis-dithiobenzilnickel complex using phosphorus pentasulfide/nickel chloride. The bis-dithiobenzilnickel complex is useful as a near-infrared absorbing material to be coated on paper, and the benzoin compound is useful as an intermediate of the complex. The obtained bis-dithiobenzilnickel complex can be applied to an optical recording material, a near-infrared absorbing resin, a near-infrared absorbing hard coating agent and a near-infrared absorbing glass composite.
Bis-dithiobenzilnickel complexes for usae in near-infrared absorbing materials and benzoin derivatives as intermediates therefor
申请人:NIPPON PAPER INDUSTRIES CO., LTD.
公开号:EP0564282A2
公开(公告)日:1993-10-06
A benzoin compound is synthesized from phenylglyoxal and a substituted benzene, and the resulting benzoin compound is converted to a bis-thiobenzilnickel complex using phosphorus pentasulfide/nickel chloride. The resulting bis-thiobenzilnickel complex of Formula [1] and/or [2]:
(wherein R₁ to R₅ are the same or different, and denote substituted or unsubstituted alkyl, cycloalkyl, alkoxy, aryl, aryloxy, halogen atom, or hydrogen atom, except for substituted or unsubstituted amino group and alkoxyalkoxy group. However, a case where all of R₁ to R₅ are hydrogen atoms is excepted.) contains two phenyl groups and two substituted phenyl groups and is useful as a near-infrared absorbing material in, for example, optical recording materials and molding compositions containing transparent resins.
There are disclosed a polybutadiene composition comprising:
a polybutadiene type polymer, and
at least one compound selected from
a compound of formula (I-1):
1
or a compound of formula (1-2):
2
wherein R
11
to R
28
are the same or different and independently represent a hydrogen atom, an alkyl group, or the like; or
a compound of formula (II):
3
wherein R
1
to R
10
independently represent a hydrogen atom, an alkyl group, or the like; or
a styrene-butadiene copolymer, and a benzoin compound; and an article molded therefrom, and processes for producing the composition and the molded article.
公开了一种聚丁二烯组合物,其中包括
聚丁二烯类聚合物,以及
至少一种选自以下物质的化合物
式(I-1)化合物:
1
或式(1-2)化合物:
2
其中 R
11
至 R
28
相同或不同,且各自代表氢原子、烷基或类似物;或
式 (II) 的化合物:
3
其中 R
1
至 R
10
分别代表氢原子、烷基或类似物;或
苯乙烯-丁二烯共聚物和安息香化合物;以及由其模塑的制品,以及生产该组合物和模塑制品的工艺。
Bis-dithiobenzilnickel complexes for use in near-infrared absorbing materials and benzoin derivatives as intermediates therefor