Abstract: Disclosed is a material for a denture base containing a polymer component and containing an acrylic resin.

Abstract: Disclosed is a material for a denture base containing a polymer component having a weight average molecular weight of 1,200,000 or more and containing an acrylic resin.

Abstract: Disclosed is a material for a denture base containing a polymer component and containing an acrylic resin.

Abstract: Disclosed is a material for a denture base containing a polymer component having a weight average molecular weight of 1,200,000 or more and containing an acrylic resin.

Abstract: The present invention provides a dental material, a dental material composition and a dental restorative material that exhibit small polymerization shrinkage particularly during curing and are producible at low cost on the industrial scale. The dental material of the present invention includes a specific urethane (meth)acrylic compound represented by Formula (1) described below.

Abstract: The present invention provides a novel compound and a composition including the compound that exhibit small polymerization shrinkage particularly during curing and are producible at low cost on the industrial scale.

Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.

Abstract: A resin composition excellent in tintability and resin strength, a resin obtained by curing such a resin composition, and an optical component is provided. A polymerizable composition containing an isocyanate compound suitably used for transparent resin materials, at least one polythiol compound which may have one or more (poly) sulfide bonds in a molecule, and at least one polyhydroxy compound having two or more hydroxy groups in a molecule and/or at least one (poly)hydroxy(poly)mercapto compound having one or more hydroxy groups and one or more thiol groups is used.

Abstract: Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: and wherein the identified moieties and n, p, q and r are defined.

Abstract: A thietane compound represented by the following formula (30): in formula (30), A represents an OH group or an SH group.

Abstract: Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: and wherein the identified moieties and n, p, q and r are defined.

Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n?p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), a thiol compound and an episulfide compound.

Abstract: The present invention provides a novel compound and a composition including the compound that exhibit small polymerization shrinkage particularly during curing and are producible at low cost on the industrial scale.

Abstract: The present invention provides a dental material, a dental material composition and a dental restorative material that exhibit small polymerization shrinkage particularly during curing and are producible at low cost on the industrial scale. The dental material of the present invention includes a specific urethane (meth)acrylic compound represented by Formula (1) described below.

Abstract: A resin composition excellent in tintability and resin strength, a resin obtained by curing such a resin composition, and an optical component is provided. A polymerizable composition containing an isocyanate compound suitably used for transparent resin materials, at least one polythiol compound which may have one or more (poly) sulfide bonds in a molecule, and at least one polyhydroxy compound having two or more hydroxy groups in a molecule and/or at least one (poly)hydroxy(poly)mercapto compound having one or more hydroxy groups and one or more thiol groups is used.

Abstract: Disclosed is a metal thietane compound represented by the following general formula (120), (wherein, in the above general formula (120), M is a member selected from the group consisting of Bi, Sb, Ti, Zr and Ta; X1 and X2 are each independently a sulfur atom or an oxygen atom; R1 is a divalent organic group; the bond between M and T shown by a dotted line and a solid line represents a single or double bond; m is an integer of 0 or 1 or more; n is the number of valence of M; and p is an integer of equal to or more than 1 and equal to or less than n, provided that when r is 1, q is 0 and Y is a monovalent inorganic or organic group; when r is 1 and n-p-q is 2 or more, a plurality of Ys contained are each independently selected from monovalent inorganic or organic groups; when r is 1 and n-p-q is 2 or more, a plurality of Ys may be bonded to each other to form a ring containing M; when r is 2, n-p-q is 1 or 2 and Y is a divalent group; when r is 2 and n-p-q is 2, two Ys may form a ring together with two Ms;

Abstract: A resin composition excellent in tintability and resin strength, a resin obtained by curing such a resin composition, and an optical component is provided. A polymerizable composition containing an isocyanate compound suitably used for transparent resin materials, at least one polythiol compound which may have one or more (poly)sulfide bonds in a molecule, and at least one polyhydroxy compound having two or more hydroxy groups in a molecule and/or at least one (poly)hydroxy(poly)mercapto compound having one or more hydroxy groups and one or more thiol groups is used.

Abstract: A thietane compound represented by the following formula (30): in formula (30), A represents an OH group or an SH group.

Abstract: Provided is a process which can be carried out upon the production of a polyurethane/thiourethane-based resin with the use of a polyisocyanate compound, a polyol compound, and a polythiol compound, without causing abrupt heat generation or viscosity increase. At least one polyol compound having at least one ether bond and two or more hydroxy groups in a molecule is used as the polyol compound, whereby a large heat generation or an abrupt viscosity increase are prevented from occurring upon blending monomer.

Abstract: A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X1 and X2 each independently represents a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n-p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), and a thiol compound.