摘要:
There is provided an epoxy composition which has difficulty in precipitating a crystal during storage, is homogeneous and can be stored for a long period; and a cured product of the composition having excellent transparency, heat resistance, and light resistance can be obtained on curing. An α-type tris-(2,3-epoxypropyl)-isocyanurate crystal including β-type tris-(2,3-epoxypropyl)-isocyanurate in the crystal in a ratio of 2% by mass to 15% by mass. A method for producing the α-type tris-(2,3-epoxypropyl)-isocyanurate crystal including step (i) separating β-type tris-(2,3-epoxypropyl)-isocyanurate contained in a tris-(2,3-epoxypropyl)-isocyanurate solution from the solution as a solid to obtain a crystal with an increased content ratio of α-type tris-(2,3-epoxypropyl)-isocyanurate.
摘要:
There is provided novel thermosetting resin composition. A thermosetting resin composition comprising a polymer having at least one structural unit of the following Formula (1): {wherein each of R1 and R2 is independently a hydrogen atom or a C1-4 alkyl group, X is a single bond or a divalent organic group, and Y is an arylene group of the following Formula (2): (wherein Z1 is a carbonyl group or a —CONH— group, Z2 is a C1-5 alkylene group or a 5- or 6-membered divalent saturated heterocyclic group containing at least one nitrogen atom, and Z3 is a 5- or 6-membered aromatic heterocyclic group containing two nitrogen atoms in which at least one of hydrogen atoms may be substituted by a C1-5 alkyl group)}.
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:
Low radio frequency loss, static dissipative adhesives are disclosed that have at most 2 percent by weight amorphous carbon dispersed in a cyanate ester resin. The adhesive has an electrical conductivity that dissipates static charge with an electrical resistivity of about 3.0×105 ohms to about 3.0×1010 ohms, and low radio frequency loss with a dielectric constant of about 1.3 to about 1.7 and a loss tangent of at most 0.006 measured at 2 gigahertz.
摘要:
A polymerizable composition, articles, and methods are provided, wherein the polymerizable composition includes a benzoxazine, an acid-forming peroxide catalyst and optionally a film-forming polymer, a co-catalyst, a curative, or a combination thereof.
摘要:
There is provided an epoxy composition which has difficulty in precipitating a crystal during storage, is homogeneous and can be stored for a long period; and a cured product of the composition having excellent transparency, heat resistance, and light resistance can be obtained on curing. An α-type tris-(2,3-epoxypropyl)-isocyanurate crystal including β-type tris-(2,3-epoxypropyl)-isocyanurate in the crystal in a ratio of 2% by mass to 15% by mass. A method for producing the α-type tris-(2,3-epoxypropyl)-isocyanurate crystal including step (i) separating β-type tris-(2,3-epoxypropyl)-isocyanurate contained in a tris-(2,3-epoxypropyl)-isocyanurate solution from the solution as a solid to obtain a crystal with an increased content ratio of α-type tris-(2,3-epoxypropyl)-isocyanurate.
摘要:
A polymerizable composition, articles, and methods are provided, wherein the polymerizable composition includes a benzoxazine, an acid-forming peroxide catalyst and optionally a film-forming polymer, a co-catalyst, a curative, or a combination thereof.
摘要:
Novel oligomers and polymers derived from the reaction of benzoxazine compounds with a mixture of thiol compounds and amine compounds are disclosed. The compositions are useful in coating, sealants, adhesive and many other applications.
摘要:
Curable compositions comprising a benzoxazine component, a polyamine component and a fluoropolymer component are described. The compositions may be cured to produce compositions useful in coating, sealants, adhesive and many other applications.