摘要:
The present invention provides a curable resin composition having excellent fluidity and giving a cured product having excellent physical properties such as heat resistance, moisture resistance/solder resistance, flame retardance, and dielectric characteristics. The curable resin composition contains a resin (A) which has a benzoxazine structure represented by structural formula (A1) below and an epoxy resin (B) at such a ratio that when the total number of moles of the benzoxazine structure of the structural formula (A1) is ±, and the number of moles of epoxy groups in the epoxy resin (B) is ², a ratio [²/±] is 0.1 to 0.5.
摘要:
The present specification relates to a polymerization composition, a polymer using the same, a polymer electrolyte membrane using the same, a fuel cell including the same, and a redox flow battery including the same.
摘要:
An electrically conductive hybrid material includes: a covalent organic framework having pores; and a conductor material, wherein the covalent organic framework is supported on the conductor material. The covalent organic framework that does not have electron conductivity is supported on the conductor material such as a carbon material, thereby can be given the electron conductivity, and becomes usable as such a catalyst material and such an electrode material, which involve the electron transfer, these materials including an electrode catalyst material of a fuel cell, and the like.
摘要:
A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring represented by formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: (R 1 : C1-C12 chain alkyl group or the like; H is bonded to at least one of the carbon atoms of the aromatic ring at ortho- or para-position with respect to C to which the oxygen atom is bonded) wherein a ratio in thickness of each resin layer to each reinforcing-fiber-containing layer is 1 : 2 to 6.
摘要:
A polymerizable composition comprising a benzoxazine compound and a catalyst is described. The polymerizable composition may be cured to produce compositions useful in coating, sealants, adhesive and many other applications.
摘要:
There is provided a novel polymer, a composition containing the polymer, and a novel adhesive composition containing the polymer from which a cured film having desired properties is obtained. A polymer comprising a structural unit of Formula (1): wherein Q is a bivalent group, R 1 is a C 1-10 alkylene group, a C 2-10 alkenylene group or C 2-10 alkynylene group, a C 6-14 arylene group, a C 4-10 cyclic alkylene group, etc., or a polymer comprising a structural unit of Formula (6): wherein Q 4 is an allyl group, a vinyl group, an epoxy group, or a glycidyl group, and R 5 is a bivalent organic group having a main chain containing only carbon atom or at least one of oxygen atom, nitrogen atom and sulfur atom in addition to carbon atom, a composition comprising the polymer, and an adhesive composition comprising the polymer and a solvent.
摘要:
There is provided a novel polymer, a composition containing the polymer, and a novel adhesive composition containing the polymer from which a cured film having desired properties is obtained. A polymer comprising a structural unit of Formula (1):
wherein Q is a bivalent group, R 1 is a C 1-10 alkylene group, a C 2-10 alkenylene group or C 2-10 alkynylene group, a C 6-14 arylene group, a C 4-10 cyclic alkylene group, etc., or a polymer comprising a structural unit of Formula (6):
wherein Q 4 is an allyl group, a vinyl group, an epoxy group, or a glycidyl group, and R 5 is a bivalent organic group having a main chain containing only carbon atom or at least one of oxygen atom, nitrogen atom and sulfur atom in addition to carbon atom, a composition comprising the polymer, and an adhesive composition comprising the polymer and a solvent.
摘要:
A process comprising contacting a) an epoxy resin; b) an adduct comprising at least one oxazolidone ring prepared from a multifunctional epoxy resin and an isocyanate compound; and c) an unsaturated acid to form a vinyl ester, is disclosed.