ACETYLENE COMPOUND, SALT THEREOF, CONDENSATE THEREOF, AND COMPOSITION THEREOF
申请人:Fujifilm Corporation
公开号:EP2202220A1
公开(公告)日:2010-06-30
[Problem to be Solved]
To provide an acetylene compound having a structure in which a unit having an amino group and a unit having an ethynyl group are bonded via a linking group, the acetylene compound being introducable to a polymer having thermal resistance.
[Means for Solving the Problem] An acetylene compound represented by the following Formula (1) and a salt thereof:
wherein in Formula (1), X represents a single bond or a divalent linking group; A represents a hydrocarbon group, a heteroaromatic ring or a heteroalicyclic compound; B represents a hydrocarbon group, a heteroaromatic ring, a heteroalicyclic compound or a single bond; R1 represents a hydrogen atom, a hydrocarbon group, a heteroaromatic ring, a heteroalicyclic compound or a silyl group; R4 represents a hydrogen atom or a group that can be a substituent of an amino group; and m, n and a each independently represent an integer of 1 or greater.
Fluorinated bis(phthalic anhydride) and method for producing the same
申请人:Masuda Go
公开号:US20050020839A1
公开(公告)日:2005-01-27
It is an object of the present invention to provide fluorinated bis(phthalic anhydride) which has less coloration and higher solubility in comparison with conventional compounds, and a method for producing the same. Further, it is also an object of the present invention to provide a method for producing a fluorinated bis(phthalonitrile) compound, which is an intermediate raw material compound of the method for producing the fluorinated bis(phthalic anhydride), and a polyamic acid and a polyimide, which are produced from the fluorinated bis(phthalic anhydride). A fluorinated bis(phthalic anhydride) of the present invention is the fluorinated bis(phthalic anhydride) represented by the following formula (I
1
), wherein its specific surface area is 3.0 m
2
/g or larger. It is also characterized in that its molar absorption coefficient is 0.6 L/mol·cm or less at a wavelength of 360 nm.
[wherein, m and n independently represent integers of 1 to 3, and Z
1
represents a single bond group or a bivalent organic group.]
Low thermal expansion resin material for a wiring insulating film.
申请人:HITACHI, LTD.
公开号:EP0133533A2
公开(公告)日:1985-02-27
A resin material comprising a polyimide having as chemical structural unit at least one aromatic ring which can rotate around its molecular axis but has no flexibility at another direction, said polyimide being oriented at least at a uniaxial direction, has a low thermal expansion coefficient and can be shaped together with an inorganic material into one body to give a composite shaped article.
FLEXIBLE PRINTED CIRCUIT BOARD AND PROCESS FOR ITS PRODUCTION
申请人:NIPPON STEEL CHEMICAL CO., LTD.
公开号:EP0297139A1
公开(公告)日:1989-01-04
The flexible print board contains as an insulating material a less heat-swelling resin having structural units represented by general formula (I), wherein Ar1 represents a tetravalent aromatic group, and Ar2 represents a compound of formula (II), (III) or (IV).
wherein R1 to R8 may be the same or different and each represents a lower alkyl group, a lower alkoxy group or a halogen atom, and n1 to n8 each represents an integer of 0 to 4. This flexible board is produced by directly applying a solution of polyamidoimide precursor on a conductive substance and conducting imidation to form the insulating material of the less heat-swelling resin of the above- described general formula (I). The flexible printed circuit board undergoes less curling and has excellent adhesiveness, bending resistance, and dimensional stability.
A precursor of a low thermal stress polyimide and a photopolymerizable composition containing a polyimide precursor
申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:EP0355927A2
公开(公告)日:1990-02-28
Disclosed is a polyimide precursor comprising a specific polyamic acid ester, polyamic amide or polyamic acid salt structure derived from a tetracarboxylic acid compound and a diamine compound, which can be converted by heating to a polyimide having low thermal stress. By blending a specific form of this novel polyimide precursor which has an ethylenic double bond, with a photopolymerization initiator, an excellent photopolymerizable composition can be obtained. Not only this precursor but also the crosslinked precursor obtained by the photopolymerization of the photopolymerizable composition can be converted by heating to a polyimide resin which has low thermal expansion coefficient, high heat resistance, excellent mechanical properties and satisfactory adhesion to a substrate. Hence, the precursor and the photopolymerizable composition can advantageously be utilized in the production of electrical and electronic components.