A method for producing an ester compound including reacting a compound having at least one cyclic structure of a norbornene ring and a norbornadiene ring with an alcohol and carbon monoxide by using a palladium catalyst and an oxidizing agent, to thereby introduce ester groups to carbon atoms forming a double bond in the cyclic structure and obtain the ester compound, wherein the palladium catalyst comprises a palladium complex having a bipyridyl as a ligand.
METHOD FOR PRODUCING ESTER COMPOUND AND PALLADIUM CATALYST USED IN THE METHOD
申请人:JX Nippon Oil & Energy Corporation
公开号:US20150343432A1
公开(公告)日:2015-12-03
A method for producing an ester compound includes reacting a compound having at least one cyclic structure of a norbornene ring and a norbornadiene ring with an alcohol and carbon monoxide by using a palladium catalyst and an oxidizing agent, to thereby introduce ester groups to carbon atoms forming a double bond in the cyclic structure and obtaining the ester compound, wherein the palladium catalyst includes a palladium acetate having a nitrite ligand in an amount of 10% by mole or more in terms of metal, and the palladium acetate having a nitrite ligand is represented by the general formula (1): Pd
3
(CH
3
COO)
5
(NO
2
).
POLAR-GROUP-CONTAINING OLEFIN COPOLYMER, MULTINARY POLAR-GROUP-CONTAINING OLEFIN COPOLYMER, OLEFIN-BASED RESIN COMPOSITION, AND ADHESIVE AND LAYERED PRODUCT COMPRISING SAME
申请人:Japan Polyethylene Corporation
公开号:EP2980107A1
公开(公告)日:2016-02-03
A polar-group-containing olefin copolymer which comprises 99.999 to 80 mol% of structural units derived from at least one of ethylene and α-olefin having 3 to 20 carbon atoms and 20 to 0.001 mol% of structural units derived from at least one polar-group-containing monomer which contains an epoxy group and is represented by the following structural formula (I) or following structural formula (II), the polar-group-containing olefin copolymer being a random copolymer obtained by copolymerization in the presence of a transition metal catalyst and having a linear molecular structure.
Insulating tape for covering, and method for producing structure
申请人:AGC Inc.
公开号:US10304583B2
公开(公告)日:2019-05-28
To provide an insulating tape for covering, in which a polyimide film and a fluorinated resin film are laminated with excellent adhesion, and a method for producing a structure, which comprises covering a conductor with such an insulating tape for covering, followed by thermal treatment. The insulating tape for covering, comprises a polyimide film and a fluorinated resin film directly laminated on one or both surfaces of the polyimide film, wherein the fluorinated resin film contains a fluorinated copolymer (A) which has a melting point of from 220 to 320° C. and can be melt-molded and which has at least one type of functional groups selected from the group consisting of carbonyl group-containing groups, hydroxy groups, epoxy groups and isocyanate groups.
Nadic anhydride polymers and photosensitive compositions derived therefrom
申请人:PROMERUS, LLC
公开号:US10591818B2
公开(公告)日:2020-03-17
Various vinyl addition polymers of nadic anhydride are disclosed. Examples of such polymers include copolymers and terpolymers of nadic anhydride with a wide variety of norbornene-type monomers. The nadic anhydride polymers are found to be useful in forming a wide variety of photosensitive compositions, both positive and negative, which are capable of forming high resolution imagable films exhibiting excellent dielectric properties (low-k) and thermal properties, and thus are useful in the fabrication of a variety of microelectronic and optoelectronic devices, among others.
本文公开了纳丁酸酐的各种乙烯基加成聚合物。此类聚合物的例子包括纳丁酸酐与各种降冰片烯类单体的共聚物和三元共聚物。我们发现萘酸酐聚合物可用于形成各种光敏组合物,包括正性和负性组合物,这些组合物能够形成高分辨率的可成像薄膜,表现出优异的介电性能(低 K 值)和热性能,因此可用于制造各种微电子和光电设备等。