Patent classifications
C07D303/23
DENTAL COMPOSITION
Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1; wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):
A(BZ.sub.m).sub.n (I) wherein A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and B represents an m+1-valent organic moiety, Z is an epoxide group which may have a substituent, m which are independent from each other represent an integer of at least 1; and n is an integer of from 1 to 5; wherein the m are selected so that 2 to 5 epoxide groups are present; wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.
DENTAL COMPOSITION
Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1; wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):
A(BZ.sub.m).sub.n (I) wherein A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and B represents an m+1-valent organic moiety, Z is an epoxide group which may have a substituent, m which are independent from each other represent an integer of at least 1; and n is an integer of from 1 to 5; wherein the m are selected so that 2 to 5 epoxide groups are present; wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.
COMPOUNDS USEFUL AS HAIR DYES
Disclosed herein is a compound of formula I:
##STR00001##
wherein the substituents are defined herein.
COMPOUNDS USEFUL AS HAIR DYES
Disclosed herein is a compound of formula I:
##STR00001##
wherein the substituents are defined herein.
Dental composition
Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2;
(b) one or more primary monoamines and/or disecondary diamines;
(c) optionally one or more aliphatic polyamines;
(d) a particulate filler,
wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1;
wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):
A(BZ.sub.m).sub.n(I)
wherein
A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and
B represents an m+1-valent organic moiety,
Z is an epoxide group which may have a substituent,
m which are independent from each other represent an integer of at least 1; and
n is an integer of from 1 to 5;
wherein the m are selected so that 2 to 5 epoxide groups are present;
wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.
Dental composition
Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2;
(b) one or more primary monoamines and/or disecondary diamines;
(c) optionally one or more aliphatic polyamines;
(d) a particulate filler,
wherein the molar ratio of epoxide groups in component (a) to the NH bonds in component (b) and (c) [epoxide.sub.(a)]/[NH.sub.(b),(c)] is in the range of from 0.9 to 1.1;
wherein the di- or polyepoxide having 2 to 5 epoxide groups is a compound of the following formula (I):
A(BZ.sub.m).sub.n(I)
wherein
A represents an n-valent organic moiety optionally having 1 to 10 heteroatoms selected from oxygen atoms and sulfur atoms; and
B represents an m+1-valent organic moiety,
Z is an epoxide group which may have a substituent,
m which are independent from each other represent an integer of at least 1; and
n is an integer of from 1 to 5;
wherein the m are selected so that 2 to 5 epoxide groups are present;
wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.
Acrylate derivative, use and production intermediate compound of the same
The present invention provides a compound represented by formula (I) [wherein L represents an oxygen atom or CH.sub.2, E represents a C2-C10 chain hydrocarbon group or the like, R.sup.1 represents a C1-C3 chain hydrocarbon group or the like, R.sup.2 represents a C1-C3 chain hydrocarbon group or the like, and n is 0, 1, 2 or 3.] or its N oxide or agriculturally acceptable salt, which is a compound that have excellent pests controlling effects. ##STR00001##
Acrylate derivative, use and production intermediate compound of the same
The present invention provides a compound represented by formula (I) [wherein L represents an oxygen atom or CH.sub.2, E represents a C2-C10 chain hydrocarbon group or the like, R.sup.1 represents a C1-C3 chain hydrocarbon group or the like, R.sup.2 represents a C1-C3 chain hydrocarbon group or the like, and n is 0, 1, 2 or 3.] or its N oxide or agriculturally acceptable salt, which is a compound that have excellent pests controlling effects. ##STR00001##
Polymerizable compound, polymerizable composition and liquid crystal display device
A polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition and a liquid crystal display device having the composite are shown. The polymerizable compound has three or four rings in a serial arrangement and not being mutually condensed, and has three or more polymerizable groups among which at least one is bonded with a ring which is not an either terminal of the three or four rings. The polymerizable composition contains the above polymerizable compound and a liquid crystal composition. The liquid crystal composite is prepared from the above polymerizable composition, and the liquid crystal display device has the liquid crystal composite.
Polymerizable compound, polymerizable composition and liquid crystal display device
A polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition and a liquid crystal display device having the composite are shown. The polymerizable compound has three or four rings in a serial arrangement and not being mutually condensed, and has three or more polymerizable groups among which at least one is bonded with a ring which is not an either terminal of the three or four rings. The polymerizable composition contains the above polymerizable compound and a liquid crystal composition. The liquid crystal composite is prepared from the above polymerizable composition, and the liquid crystal display device has the liquid crystal composite.