Internal release agent, composition including internal release agent, and process for producing a plastic lens using same composition
申请人:MITSUI CHEMICALS, INC.
公开号:US10239239B2
公开(公告)日:2019-03-26
An internal release agent includes at least one phosphodiester represented by the following general formula (1).
In the formula, R1 and R2 independently represent a hydrocarbon group having 1 to 30 carbon atoms, which is optionally substituted with at least one hydroxyl group, and R3 represents an alkylene group having 2 to 4 carbon atoms. A plurality of R3's may be the same as or different from each other. M represents a hydrogen atom, an ammonium ion, an alkali metal ion, or a monovalent/divalent alkali earth metal ion, and n is an integer of 1 to 60.
Metal Thietane Compound, Polymerizable Composition Containing the Compound, Resin and Use of the Resin
申请人:Murakami Masakazu
公开号:US20130018169A1
公开(公告)日:2013-01-17
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.
METAL THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE COMPOUND, RESIN AND USE OF THE RESIN
申请人:Murakami Masakazu
公开号:US20100240862A1
公开(公告)日:2010-09-23
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; X
1
and X
2
are each independently a sulfur atom or an oxygen atom; R
1
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).
CHROMENE COMPOUND, CURABLE COMPOSITION COMPRISING THE COMPOUND, AND OPTICAL ARTICLE INCLUDING A CURED BODY OF THE CURABLE COMPOSITION
申请人:TOKUYAMA CORPORATION
公开号:US20200190106A1
公开(公告)日:2020-06-18
A chromene compound having at least one indenonaphthopyran moiety which has a group forming a spiro ring together with the 13-position carbon atom and further an oligomer chain group selected from a polyalkylene oxide oligomer chain group having at least three recurring units and a polyester oligomer chain group having at least three recurring units, represented by the following formula and having reduced matrix dependence:
wherein R
1
and R
2
are each a group which may have an oligomer chain group, the ring Z bonded to the 13-position carbon atom of the chromene compound is a Spiro ring group, and R
3
and R
4
are each an aryl group or heteroaryl group which may have an oligomer chain group.
Preferably, the chromene compound has at least one oligomer chain group in the molecule.
METAL COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, RESIN, METHOD FOR PRODUCING THE RESIN, AND USE OF THE RESIN
申请人:Murakami Masakazu
公开号:US20110136977A1
公开(公告)日:2011-06-09
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; R
2
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.