摘要:
[Problems] The present invention provides a photosensitive composition capable of permanently forming a hologram having a low light scattering loss and high diffraction efficiency, and a forming method of a pattern.[Means for solving problems] A photosensitive composition used for forming a pattern by a pattern exposure containing (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic-zirconia composite fine particles having a zirconia volume concentration of 20% by volume to 80% by volume; and a forming method of a pattern using the composition.
摘要:
It is an object of the present invention to provide a photosensitive composition capable of forming permanent holograms with low light scattering loss and high diffraction efficiency, and a method for forming a pattern. A photosensitive composition and a pattern formation method using the photosensitive composition are characterized in that the photosensitive composition used to form a pattern by pattern exposure includes: (a) a polymerizable compound, (b) a photopolymerization initiator, and (c) organic fine particles.
摘要:
Optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate is obtained by a method of reacting isocyanuric acid with an optically active epihalohydrin, or a method of optically resolving a racemic modification of tris-(2,3-epoxypropyl)-isocyanurate by using an amylose or cellulose derivative. It is a method for producing a high melting point type tris-(2,3-epoxypropyl)-isocyanurate obtained by mixing two enantiomers of optically active &bgr;-type tris-(2,3-epoxypropyl)-isocyanurate.
摘要:
A resin composition for powder coating, comprising(A) a carboxyl group-containing resin having a number average molecular weight of 1000 to 20000, an acid value of 5 to 200 and a glass transition temperature of 30 to 120.degree. C.,(B) bis(.beta.-methylglycidyl)terephthalate of the formula (1): ##STR1## as a curing agent, and (D) at least one compound selected from the group consisting of amines having the linkage of the formula (2): ##STR2## in the molecule, a triarylphosphines and onium salts as a ring-opening polymerization inhibitor, the equivalent ratio of (.beta.-methylglycidyl group of the component (B))/(carboxyl group of the component (A)) being 0.5 to 3.0. The composition can give a product of curing excellent in impact resistance, weathering resistance and so on.
摘要:
An optical resolver comprising an optically active substance made of tris-(2,3-epoxypropyl)isocyanurate, is presented. The optical resolver comprises an optically active tris-(epoxyalkyl)isocyanurate or its derivative, or an optically active derivative of a tris-(epoxyalkyl)isocyanurate. Particularly, the optical resolver comprises optically active tris-(2,3-epoxypropyl)isocyanurate or its derivative, or an optically active derivative of tris-(2,3-epoxypropyl)isocyanurate. Having supported on a carrier, an optically active tris-(2,3-epoxypropyl)isocyanurate or its derivative, or an optically active derivative of tris-(2,3-epoxypropyl)isocyanurate, can be made to be a packing for use in high-performance liquid chromatography, whereby efficient optical resolution can be carried out.
摘要:
.beta.-form tris-(2,3-epoxypropyl)-isocyanurate crystals containing from 2 to 15 wt % of .alpha.-form tris-(2,3-epoxypropyl)-isocyanurate in the interior of the crystals.
摘要:
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transition temperature of from 30 to 120° C.; (B) tris(&bgr;-methylglycidyl) isocyanurate of the formula (1): (C) as a ring opening polymerization inhibitor, at least one compound selected from the group consisting of amines having in their molecules a bond of the formula (2): and onium salts.
摘要:
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transition temperature of from 30 to 120.degree. C.; (B) tris(.beta.-methylglycidyl) isocyanurate of formula (1); and (C) as a ring opening polymerization inhibitor, at least one compound selected from the group consisting of amines having in their molecules a bond of formula (2); and onium salts.
摘要:
An isocyanurate compound of the formula (1), wherein R is a hydrogen atom or a methyl group, a method for producing said iscyanurate compound, characterized by reacting carbon disulfide with a triglycidyl isocyanurate compound, and a trithiol isocyanurate compound and a method for producing the same.
摘要:
A resin composition for powdery coatings, which contains the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1000 to 20000, an acid value of from 5 to 200 and a glass transition temperature of from 30 to 120° C., (B) a poly-&bgr;-methylglycidyl compound having at least two structures represented by the formula (1) in one molecule: and (C) a sterically-hindered amine as a heat yellowing inhibitor.