摘要:
The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.
摘要:
The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.
摘要:
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.
摘要:
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.
摘要:
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; and when r is 2 and q is 2, a plurality of Ts contained are each independently selected from inorganic or organic groups).
摘要:
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; and when r is 2 and q is 2, a plurality of Ts contained are each independently selected from inorganic or organic groups).
摘要:
The composition of the present invention contains a product having a thiol group obtained by reacting an Sb or Bi oxide or an Sb or Bi halide with at least one kind of polythiol compounds selected from compounds having at least two thiol groups in a molecule.
摘要:
Disclosed is a metal compound represented by the following formula (0): in the formula (0), A represents a thietane ring, or a monovalent group containing a thiol group; B represents a divalent group containing a heteroatom; R2 represents a divalent organic group; n represents the valence of M; p represents an integer of 1 ton; M represents a lanthanoid atom or a barium (Ba) atom when A is a thietane ring, and represents a lanthanoid atom when A is a monovalent group containing a thiol group; or more than Y represents a monovalent inorganic or organic group; when n−p is not less than 2, a plurality of Y's each independently represent a monovalent inorganic or organic group; and when n−p is not less than 2, the plurality of Y's may be bonded with each other to form a ring containing M.