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US4868223A Expired / Lapsed US ⏱️ 0.0 years remaining

Use of amine initiated butylene oxide polyols in polyurethane products

Assignee: Dow Chemical Co
•
Filing: 1988-11-09
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Granted: 1989-09-19
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Expires: 2008-11-09
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Abstract

Abstract Disclosed are active hydrogen compositions comprising: (A) a polyether polyol having a functionality of at least about three; (B) an amine-based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender of equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol other than (B) above. Also dislcosed are the molded polyurethanes produced from the above compositions and, particularly high strength mat molded reaction injection molded parts.

Inventors

  • 👤 Donald L. Nelson
  • 👤 Douglas P. Waszeciak
  • 👤 Douglas K. Hillshafer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:09
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6666; C08G18/667; C08G18/6681; C08G18/6688; C08G2101/00; C08G2115/00; C08G2115/02; C08G2120/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31601

Claims Analysis

Total Claims: 30
Claim 1
Independent Claim 78 words
An active hydrogen composition comprising (A) a polyether polyol having a functionality of at least about three; (B) an amine based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender of equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol.
Claim 2
Dependent Claim 78 words
An active hydrogen composition comprising (A) a polyether polyol having a functionality of at least about three; (B) an amine based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender of equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol.
Claim 3
Dependent Claim 30 words
A composition according to claim 1 wherein said polyether polyol (A) has a functionality from about 3 to about 6 and a molecular weight from about 1,000 to about 12,000.
Claim 4
Dependent Claim 22 words
A composition according to claim 1 wherein said amine based polyol (B) has an equivalent weight from about 80 to about 180.
Claim 5
Dependent Claim 46 words
A composition according to claim 1 wherein said amine based polyol (B) is derived from the addition of from about 4 to about 8 moles of butylene oxide per mole of an aliphatic polyamine selected from the group consisting of ethylenediamine, diethylenetriamine, triethylenetetramine, and mixtures thereof.
Claim 6
Dependent Claim 11 words
A composition according to claim 4 wherein said polyamine is ethylenediamine.
Claim 7
Dependent Claim 40 words
A composition according to claim 1 which comprises from about 5 to about 85 percent by weight of polyol (A) and about 95 to about 15 percent of amine based polyol (B) based on combined weight of (A) and (B).
Claim 8
Dependent Claim 26 words
A composition according to claim 1 additionally comprising from 0 to about 70 parts per 100 parts of (A) and (B) of a difunctional extender (C)
Claim 9
Dependent Claim 16 words
A composition according to claim 7 wherein (C) comprises from about 10 to about 60 parts.
Claim 10
Dependent Claim 26 words
A composition according to claim 1 additionally comprising from 0 to about 60 parts per 10 parts of (A) and (B) of a cross-linking polyol (D).
Claim 11
Dependent Claim 16 words
A composition according to claim 9 wherein (D) comprises from about 5 to about 50 parts.
Claim 12
Dependent Claim 142 words
A composition according to claim 1 comprising (A) from about 5 to about 85 percent by weight of a polyether polyol of functionality from about 3 to about 6 and molecular weight from about 1,000 to about 12,000; and (B) from about 95 to about 15 percent by weight of an amine based polyol having an equivalent weight from about 80 to about 180 and derived from the addition of from about 4 to about 8 moles of butylene oxide per mole of ethylenediamine, and based on 100 parts of said (A) and (B), (C) from about 10 to about 60 parts of a difunctional extender of equivalent weight up to about 200; and (D) from 0 to about 60 parts of a cross-linking polyol of equivalent weight from about 70 to about 230 and functionality from about 3 to about 8.
Claim 13
Dependent Claim 146 words
A composition according to claim 11 comprising (A) from about 15 to about 60 percent by weight of a polyalkyleneoxy polyol of functionality from about 3 to about 4 and molecular weight from about 2,000 to about 6,000; and (B) from about 85 to about 40 percent of an amine based polyol of equivalent weight from about 80 to about 125 and derived from the addition of from about 4 to about 6 moles of butylene oxide per mole of ethylenediamine; and based on 100 parts of said (A) and (B), (C) from about 10 to about 60 parts of a difunctional extender of equivalent weight from about 30 to about 200; and (D) from 0 to about 60 parts of a cross-linking polyol of equivalent weight or average equivalent weight from about 80 to about 120 and average functionality from about 4 to about 6.
Claim 14
Dependent Claim 51 words
A composition according to claim 12 wherein said (A) comprises from about 30 to about 40 weight percent of a polypropyleneoxy-polyethyleneoxy triol having a molecular weight of about 4,500 to about 5,500 and (B) from about 70 to about 60 percent of N,N,N',N'-tetrakis(2-hydroxybutyl)ethylenediamine based on total weight of (A) plus (B).
Claim 15
Dependent Claim 26 words
A composition according to claim 13 containing from about 20 to about 45 parts per 100 parts of (A) plus (B) of diethylene glycol component (C).
Claim 16
Dependent Claim 33 words
A composition according to claim 14 containing from about 5 to about 50 parts per 100 parts of (A) and (B) of an ethylene and/or propylene oxide derivative of ethylenediamine cross-linking component (D).
Claim 17
Dependent Claim 98 words
A molded polyurethane polymer prepared by the reaction of an organic polyisocyanate and an active hydrogen composition comprising (A) a polyether polyol having a functionality of at least about three; (B) an amine based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender having a functionality of at least two and equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol.
Claim 18
Dependent Claim 98 words
A molded polyurethane polymer prepared by the reaction of an organic polyisocyanate and an active hydrogen composition comprising (A) a polyether polyol having a functionality of at least about three; (B) an amine based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender having a functionality of at least two and equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol.
Claim 19
Dependent Claim 14 words
A molded polyurethane according to claim 16 wherein said polyisocyanate comprises polymethylene poly(phenyl isocyanate).
Claim 20
Dependent Claim 49 words
A molded polyurethane according to claim 16 wherein the proportions of reactants are such that the ratio of isocyanate equivalents to total active hydrogen equivalents falls within a range of from about 0.85:1 to about 4:1 provided that when said ratio exceeds about 1.15:1 an isocyanurate catalyst is present.
Claim 21
Dependent Claim 25 words
A molded polyurethane according to claim 16 wherein the ratio of isocyanate equivalents to total active hydrogen equivalents is from about 0.90:1 to about 1.15:1.
Claim 22
Dependent Claim 13 words
A molded polyurethane according to claim 16 additionally comprising a fibrous reinforcing material.
Claim 23
Dependent Claim 14 words
A molded polyurethane according to claim 16 prepared by the reaction injection molding procedure.
Claim 24
Dependent Claim 182 words
A reaction injection molded polyurethane prepared by the reaction of: I. a polymethylene poly(phenyl isocyanate); and II. an active hydrogen composition comprising: (A) from about 5 to about 85 percent by weight of a polyether polyol of functionality from about 3 to about 6 and molecular weight from about 1,000 to about 12,000; (B) from about 95 to about 15 percent of an amine based polyol of equivalent weight from about 80 to about 180 and derived from the addition of from about 4 to about 8 moles of butylene oxide per mole of ethylenediamine and based on 100 parts of (A) and (B); (C) from 10 to about 60 parts of a difunctional extender of equivalent weight up to about 200; and (D) from 0 to about 60 parts of a cross-linking polyol of equivalent weight from about 70 to about 230 and functionality from about 3 to about 8 wherein the proportions of reactants are such that the ratio of isocyanate equivalents to total active hydrogen equivalents from (II) falls within a range of from about 0.90:1 to about 1.15:1.
Claim 25
Dependent Claim 182 words
A reaction injection molded polyurethane prepared by the reaction of: I. a polymethylene poly(phenyl isocyanate); and II. an active hydrogen composition comprising: (A) from about 5 to about 85 percent by weight of a polyether polyol of functionality from about 3 to about 6 and molecular weight from about 1,000 to about 12,000; (B) from about 95 to about 15 percent of an amine based polyol of equivalent weight from about 80 to about 180 and derived from the addition of from about 4 to about 8 moles of butylene oxide per mole of ethylenediamine and based on 100 parts of (A) and (B); (C) from 10 to about 60 parts of a difunctional extender of equivalent weight up to about 200; and (D) from 0 to about 60 parts of a cross-linking polyol of equivalent weight from about 70 to about 230 and functionality from about 3 to about 8 wherein the proportions of reactants are such that the ratio of isocyanate equivalents to total active hydrogen equivalents from (II) falls within a range of from about 0.90:1 to about 1.15:1.
Claim 26
Dependent Claim 154 words
A molded polyurethane according to claim 22 wherein (11) comprises: (A) from about 15 to about 60 percent by weight of a polyalkyleneoxy polyol of functionality from about 3 to about 4 and molecular weight from about 2,000 to about 6,000; and (B) from about 85 to about 40 percent by weight of an amine based polyol of equivalent weight from about 80 to about 125 and derived from the addition of from about 4 to about 6 moles of butylene oxide per mole of ethylenediamine; and based on 100 parts of said (A) and (B), (C) from about 10 to about 60 parts of a difunctional extender of equivalent weight from about 30 to about 200; and (D) from 0 to about 60 parts of a cross-linking polyol or mixture thereof of equivalent weight or average equivalent weight from about 80 to about 120 and average functionality from about 4 to about 6.
Claim 27
Dependent Claim 53 words
A molded polyurethane according to claim 23 wherein said (A) comprises from about 30 to about 40 percent by weight of a polypropyleneoxy-polyethyleneoxy triol having a molecular weight of about 4,500 to about 5,500 and (B) from about 70 to about 60 percent of N,N,N',N'-tetrakis(2-hydroxybutyl)ethylenediamine based on total weight of (A) plus (B).
Claim 28
Dependent Claim 27 words
A molded polyurethane according to claim 24 containing from about 20 to about 45 parts per 100 parts of (A) plus (B) of diethylene glycol component (C).
Claim 29
Dependent Claim 34 words
A molded polyurethane according to claim 25 containing from about 5 to about 50 parts per 100 parts of (A) plus (B) of an ethylene and/or propylene oxide derivative of ethylenediamine cross-linking component (D).
Claim 30
Dependent Claim 15 words
A molded polyurethane according to claim 22 additionally comprising at least one reinforcing fiberglass mat.

References Cited (Backward Citations)

CA978300A Cited
JPS53128699A Cited
JPS5586737A Cited
JPS5699218A Cited
US4555536A Cited
CA1222528A Cited
US4582891A Cited
JPS6181469A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-09-18 1993-03-20 1993-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-09-18 1997-03-20 1997-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-09-18 2001-03-20 2001-09-19 $7700.00 Window Closed / Lapsed

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