US4220729A
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Flame-retardant isocyanate-based foams and method of producing the same
Assignee: Mitsubishi Chemical Corp
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Filing: 1977-07-14
•
Granted: 1980-09-02
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Expires: 1997-07-14
Abstract
Abstract A method of producing foams by utilizing the reactivity of isocyanate groups comprising the steps of reacting an organic polyisocyanate in the presence of a foaming agent and, optionally, at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting with the isocyanate groups and, if necessary, a catalyst, a foam stabilizer and other additives, the improvement wherein at least one organic amine-metal complex soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, zinc, and chromium is added to the reaction system in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for the preparation of foams. The foams containing flame-retardant organic amine-metal complexes prepared by the aforementioned method.
Inventors
- 👤 Shinzi Uchida
- 👤 Takashi Yokoyama
- 👤 Shoichi Ohkubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S521/00; Y10S521/902; Y10S521/906
Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
128 words
In a method of producing foams by utilizing the reactivity of isocyanate groups comprising the step of reacting an organic polyisocyanate in the presence of a foaming agent and, optionally, at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting with the isocyanate groups and, if necessary, a catalyst, a foam stabilizer and other additives, the improvement wherein at least one organic amine-metal complex soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, and chromium is added to the reaction system in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams.
Claim 2
Dependent Claim
128 words
In a method of producing foams by utilizing the reactivity of isocyanate groups comprising the step of reacting an organic polyisocyanate in the presence of a foaming agent and, optionally, at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting with the isocyanate groups and, if necessary, a catalyst, a foam stabilizer and other additives, the improvement wherein at least one organic amine-metal complex soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, and chromium is added to the reaction system in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams.
Claim 3
Dependent Claim
26 words
The method according to claim 1, wherein the metal in the organic amine-metal complex is selected from the group consisting of copper, nickel, lead and cobalt.
Claim 4
Dependent Claim
16 words
The method according to claim 1, wherein the metal in the organic amine-metal complex is copper.
Claim 5
Dependent Claim
18 words
The method according to claim 1, wherein the organic amine is monoalkylmonoamine with 1 to 6 carbon atoms.
Claim 6
Dependent Claim
18 words
The method according to claim 1, wherein the organic amine is alkylenepolyamine with 2 to 10 carbon atoms.
Claim 7
Dependent Claim
18 words
The method according to claim 1, wherein the organic amine is alkylenediamine with 2 to 6 carbon atoms.
Claim 8
Dependent Claim
12 words
The method according to claim 1, wherein the organic amine is aniline.
Claim 9
Dependent Claim
29 words
The method according to claim 1, wherein the organic amine-metal complex is a complex of alkylenediamine with 2 to 6 carbon atoms and an organic acid salt of copper.
Claim 10
Dependent Claim
23 words
The method according to claim 1, wherein the amount of the organic amine-metal complex in the foam is 1 to 10 weight %.
Claim 11
Dependent Claim
23 words
The method according to claim 1, wherein the amount of the organic amine-metal complex in the foam is 2 to 8 weight %.
Claim 12
Independent Claim
93 words
A method of producing flame retardant isocyanate-based foams which comprises reacting polyisocyanate, an organic polyol, a foaming agent, a surfactant and at least one organic amine-metal complexes soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese and chromium, wherein the equivalent ratio between the isocyanate groups and the active hydrogen is from 1 to 5 and the organic amine-metal complex is used in an amount of 0.5 to 30 weight % based on the raw material liquid for preparation of foams.
Claim 13
Independent Claim
93 words
A method of producing flame retardant isocyanate-based foams which comprises reacting polyisocyanate, an organic polyol, a foaming agent, a surfactant and at least one organic amine-metal complexes soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese and chromium, wherein the equivalent ratio between the isocyanate groups and the active hydrogen is from 1 to 5 and the organic amine-metal complex is used in an amount of 0.5 to 30 weight % based on the raw material liquid for preparation of foams.
Claim 14
Dependent Claim
19 words
The method according to claim 11, wherein the reaction is carried out in the presence of a trimerization catalyst.
Claim 15
Dependent Claim
60 words
The method according to claim 11, wherein the organic amine-metal complex is a complex of an organic acid salt of a metal selected from the group consisting of copper, nickel, lead and cobalt and at least one amine selected from the group consisting of monoalkylamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms, and aniline.
Claim 16
Dependent Claim
34 words
The method according to claim 11, wherein the organic amine-metal complex is selected from the group consisting of ethylenediamine copper acetate, ethylenediamine copper benzoate, aniline copper acetate, monoethanolamine copper acetate and tetramethylethylenediamine copper acetate.
Claim 17
Dependent Claim
23 words
The method according to claim 11, wherein the amount of the organic amine-metal complex in the foam is 1 to 10 weight %.
Claim 18
Dependent Claim
106 words
Flame-retardant isocyanate-based foams obtained by reacting (1) an organic polyisocyanate, (2) a foaming agent, (3) at least one organic amine-metal complexes soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, and chromium, such complex being used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials, (4) optionally, at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting whith the isocyanate groups, and (5) if necessary, a catalyst, a foam stabilizer and other additives.
Claim 19
Dependent Claim
106 words
Flame-retardant isocyanate-based foams obtained by reacting (1) an organic polyisocyanate, (2) a foaming agent, (3) at least one organic amine-metal complexes soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, and chromium, such complex being used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials, (4) optionally, at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting whith the isocyanate groups, and (5) if necessary, a catalyst, a foam stabilizer and other additives.
Claim 20
Dependent Claim
26 words
The foams according to claim 16, wherein the metal in the organic amine-metal complex is selected from the group consisting of copper, nickel, lead and cobalt.
Claim 21
Dependent Claim
16 words
The foams according to claim 16, wherein the metal in the organic amine-metal complex is copper.
Claim 22
Dependent Claim
18 words
The foams according to claim 16, wherein the organic amine is monoalkylmonoamine with 1 to 6 carbon atoms.
Claim 23
Dependent Claim
18 words
The foams according to claim 16, wherein the organic amine is alkylenepolyamine with 2 to 10 carbon atoms.
Claim 24
Dependent Claim
18 words
The foams according to claim 16, wherein the organic amine is alkylenediamine with 2 to 6 carbon atoms.
Claim 25
Dependent Claim
12 words
The foams according to claim 16, wherein the organic amine is aniline.
Claim 26
Dependent Claim
48 words
The foams according to claim 16, wherein the organic amine-metal complex is a complex of an organic acid salt of copper and at least one amine selected from the group consisting of monoalkylmonoamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms and aniline.
Claim 27
Dependent Claim
20 words
The foams according to claim 16, wherein the amount of the organic amine-metal complex is 1 to 10 weight %.
Claim 28
Dependent Claim
20 words
The foams according to claim 16, wherein the amount of the organic amine-metal complex is 2 to 8 weight %.
Claim 29
Dependent Claim
104 words
Flame-retardant polyurethane foams obtained by reacting (1) an organic polyisocyanate, (2) a polyol, (3) a foaming agent, (4) a surfactant, and (5) a complex of an organic acid salt of a metal selected from the group consisting of copper, nickel, lead and cobalt, and at least one amine selected from the group consisting of monoalkylmonoamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms and aniline, said complex being soluble in the liquid raw material and used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams.
Claim 30
Dependent Claim
104 words
Flame-retardant polyurethane foams obtained by reacting (1) an organic polyisocyanate, (2) a polyol, (3) a foaming agent, (4) a surfactant, and (5) a complex of an organic acid salt of a metal selected from the group consisting of copper, nickel, lead and cobalt, and at least one amine selected from the group consisting of monoalkylmonoamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms and aniline, said complex being soluble in the liquid raw material and used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams.
Claim 31
Dependent Claim
139 words
Flame-retardant urethane-modified polyisocyanurate foams obtained by reacting (1) an organic polyisocyanate, (2) a polyol, (3) a foaming agent, (4) a surfactant, and (5) a complex of an organic acid salt of a metal selected from the group consisting of copper, nickel, lead and cobalt, and at least one amine selected from the group consisting of monoalkylmonoamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms and aniline, said complex being soluble in the raw material liquid, wherein (a) the equivalent ratio between the isocyanate groups and the active hydrogen is greater than 1, (b) said complex is used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams, and (c) the reaction is carried out in the presence of a trimerization catalyst.
Claim 32
Dependent Claim
139 words
Flame-retardant urethane-modified polyisocyanurate foams obtained by reacting (1) an organic polyisocyanate, (2) a polyol, (3) a foaming agent, (4) a surfactant, and (5) a complex of an organic acid salt of a metal selected from the group consisting of copper, nickel, lead and cobalt, and at least one amine selected from the group consisting of monoalkylmonoamine with 1 to 6 carbon atoms, alkylenediamine with 2 to 6 carbon atoms and aniline, said complex being soluble in the raw material liquid, wherein (a) the equivalent ratio between the isocyanate groups and the active hydrogen is greater than 1, (b) said complex is used in an amount of 0.5 to 30 weight % based on the total weight of the raw materials used for preparation of foams, and (c) the reaction is carried out in the presence of a trimerization catalyst.
Claim 33
Dependent Claim
34 words
The foams according to claim 27, wherein the organic amine-metal complex is selected from the group consisting of ethylenediamine copper acetate, ethylenediamine copper benzoate, aniline copper acetate, monoethanolamine copper acetate and tetramethylethylenediamine copper acetate.
Claim 34
Dependent Claim
20 words
The foams according to claim 27, wherein the amount of the organic amine-metal complex is 1 to 10 weight %.
Claim 35
Dependent Claim
20 words
The foams according to claim 27, wherein the amount of the organic amine-metal complex is 2 to 8 weight %.
Claim 36
Dependent Claim
100 words
In a method of producing foams by utilizing the reactivity of isocyanate groups consisting of reacting an organic polyisocyanate in the presence of a foaming agent and, optionally, at least one member selected from the group consisting of polyols, polycarboxylic acids, and acid anhydrides and, if necessary, a catalyst, a foam stabilizer and other additives, the improvement wherein at least one organic amine-zinc complex soluble in the liquid raw material is added to the reaction system in an amount 0.5 to 30 weight % based on the total weight of the raw materials used for the preparation of the foams.
Claim 37
Dependent Claim
100 words
In a method of producing foams by utilizing the reactivity of isocyanate groups consisting of reacting an organic polyisocyanate in the presence of a foaming agent and, optionally, at least one member selected from the group consisting of polyols, polycarboxylic acids, and acid anhydrides and, if necessary, a catalyst, a foam stabilizer and other additives, the improvement wherein at least one organic amine-zinc complex soluble in the liquid raw material is added to the reaction system in an amount 0.5 to 30 weight % based on the total weight of the raw materials used for the preparation of the foams.
Claim 38
Dependent Claim
18 words
A method according to claim 31 wherein the organic amine is a monoalkyl monoamine with 1-6 carbon atoms.
Claim 39
Dependent Claim
16 words
The method of claim 31 wherein the organic amine is an alkylene-polyamine with 2-10 carbon atoms.
Claim 40
Dependent Claim
16 words
The method of claim 31, wherein the organic amine is an alkylene-diamine with 2-6 carbon atoms.
Claim 41
Dependent Claim
12 words
The method according to claim 31, wherein the organic amine is aniline.
Claim 42
Dependent Claim
21 words
A method according to claim 31, wherein the amount of the organic amine-zinc complex in the foam is 1-10 weight %.
Claim 43
Dependent Claim
21 words
The method according to claim 31, wherein the amount of the organic amine-zinc complex in the foam is 2-8 weight %.
Claim 44
Dependent Claim
84 words
Flame-retardant isocyanate-based foams obtained by a method which consists of reacting (1) an organic polyisocyanate, (2) a foaming agent, (3) at least one organic amine-zinc complex soluble in the liquid raw material, such complex being used in an amount of 0.5 to 30 wt % based on the total weight of the raw materials, (4) optionally, at least one member selected from the group consisting of polyols, polycarboxylic acids, and acid anhydrides, and (5) if necessary, a catalyst, a foam stabilizer and other additives.
Claim 45
Dependent Claim
84 words
Flame-retardant isocyanate-based foams obtained by a method which consists of reacting (1) an organic polyisocyanate, (2) a foaming agent, (3) at least one organic amine-zinc complex soluble in the liquid raw material, such complex being used in an amount of 0.5 to 30 wt % based on the total weight of the raw materials, (4) optionally, at least one member selected from the group consisting of polyols, polycarboxylic acids, and acid anhydrides, and (5) if necessary, a catalyst, a foam stabilizer and other additives.
Claim 46
Dependent Claim
16 words
The foams of 38, wherein the organic amine is a monoakly monoamine with 1-6 carbon atoms.
Claim 47
Dependent Claim
16 words
The foams of 38, wherein the organic amine is a monoakly monoamine with 1-6 carbon atoms.
Claim 48
Dependent Claim
17 words
The foams according to claim 38, wherein the organic amine is an alkylenepolyamine with 2-10 carbon atoms.
Claim 49
Dependent Claim
17 words
The foams according to claim 38, wherein the organic amine is an alkylenediamine with 2-6 carbon atoms.
Claim 50
Dependent Claim
12 words
The foams according to claim 38, wherein the organic amine is aniline.
Claim 51
Dependent Claim
18 words
The foam according to claim 38, wherein the amount of the organic amine-zinc complex is 1-10 weight %.
Claim 52
Dependent Claim
17 words
The foam according to claim 38, wherein the amount of organic amine-zinc complex is 2-8 weight %.
Claim 53
Independent Claim
104 words
A method of retarding the flammability of isocyanate-based foams which comprises including in the raw materials used for said isocyanate-based foams 0.5-30% weight based on the total weight of said raw materials used for preparation of the foam, of an organic amine-metal complex, soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, zinc and chromium; and wherein said foam is prepared from an organic polyisocyanate and optionally at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting with isocyanate groups.
Claim 54
Independent Claim
104 words
A method of retarding the flammability of isocyanate-based foams which comprises including in the raw materials used for said isocyanate-based foams 0.5-30% weight based on the total weight of said raw materials used for preparation of the foam, of an organic amine-metal complex, soluble in the liquid raw material and containing a metal selected from the group consisting of copper, nickel, lead, cobalt, manganese, zinc and chromium; and wherein said foam is prepared from an organic polyisocyanate and optionally at least one member selected from the group consisting of polyols, polyepoxides, polycarboxylic acids, acid anhydrides and other compounds capable of reacting with isocyanate groups.
Claim 55
Dependent Claim
20 words
The method of claim 45 wherein said metal is selected from the group consisting of copper, nickel, lead and cobalt.
Claim 56
Dependent Claim
10 words
The method of claim 46 wherein said metal is copper.
Claim 57
Dependent Claim
18 words
The method of claim 45 wherein said organic amine is a monoalkylamine with 1 to 6 carbon atoms.
Claim 58
Dependent Claim
11 words
The method of claim 45 wherein said organic amine is aniline.
Claim 59
Dependent Claim
17 words
The method of claim 45 wherein said organic amine is an alkylene polyamine of 2-10 carbon atoms.
References Cited (Backward Citations)
US3450648A
Cited
US4022721A
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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