Loading patent…
AssigneeHitachi Chemical Company, Ltd.
InventorsKouji Morita, Hikari Murai, Shin Takanezawa, Yasuo Inoue, Kazunaga Sakai
Estimating the term…
The invention provides a varnish produced through reaction between a compound having an amino group and a resin having a functional group capable of reacting with an amino group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the amino group of the compound in a solvent, and also a varnish produced through reaction between a compound having a phenolic hydroxyl group and a resin having a functional group capable of reacting with a phenolic hydroxyl group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the phenolic hydroxyl group of the compound in the solvent. The invention also provides a prepreg, a resin-coated film, a metal-foil-clad laminate, and a printed wiring board produced by use of any of the varnishes.
A production method for producing a varnish, comprising reacting a compound having an amino group and a resin having a plurality of epoxy groups, and having at least one polycyclic structure selected from the group consisting of a structure formed through condensation of aromatic rings, a biphenyl novolak structure, or a terphenyl structure, wherein a portion of the plurality of the epoxy groups of the resin is caused to react with the amino group of the compound in an organic solvent, to form a reaction product having a weight average molecular weight in the range of 800 to 4000.
A production method for producing a varnish, comprising reacting a compound having a phenolic hydroxyl group and a resin having a plurality of epoxy groups, and having at least one polycyclic structure selected from the group consisting of a structure formed through condensation of aromatic rings, a biphenyl novolak structure, or a terphenyl structure, wherein a portion of the plurality of the epoxy groups of the resin is caused to react with the phenolic hydroxyl group of the compound in an organic solvent to form a reaction product having a weight average molecular weight in the range of 800 to 4000.
Dependencies are inferred from the claim text.