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Triethanolamine methylenedianiline curing agent and the process for using same in the manufacture of high resilient cold molded foam

Assignee: Honeywell International Inc
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Filing: 1972-12-11
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Granted: 1974-06-11
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Expires: 1992-12-11
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Abstract

Abstract A novel curing agent and method for using same. The curing agent comprises from about 60 to about 70 weight percent triethanolamine, from about 20 to about 35 weight percent of a selected aromatic diamine and from about 5 to about 20 weight percent of a mixture of at least two aromatic polyamine compounds, each having the general formula: WHEREIN R1 and R2 are independently at each occurrence H, halogen, lower alkyl or amine, x is 0 or an integer of 1 to 15 provided that if one of the compounds in said mixture is the selected aromatic diamine then said mixture comprises at least 40 percent by weight of two compounds having the above general formula other than said selected aromatic diamine. The process comprises using the novel curing agent in the manufacture of polyurethane foam.

Inventors

  • 👤 B Taub

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:36
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6666; C08G18/667; C08G18/6681; C08G2110/00; C08G2110/0008; C08G2110/0025; C08G2110/0041; C08G2110/005; C08G2110/0083; Y; Y10; Y10S; Y10S521/00; Y10S521/904

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 13 words
The process of claim 1 wherein said promoter is a tertiary amine catalyst.
Claim 2
Dependent Claim 11 words
The process of claim 2 wherein said blowing agent is water.
Claim 3
Dependent Claim 25 words
The process of claim 3 wherein said blend is formed using an agitator operated at a speed of from about 1,700 to about 5,000 rpm.
Claim 4
Dependent Claim 28 words
The process of claim 3 wherein the formed foam is crushed with a press, released by the press and then allowed to cure for at least 24 hours.
Claim 5
Dependent Claim 23 words
The process of claim 3 wherein said mixture is a composition comprising about 35 to about 50 percent by weight of mixture of:

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-10 1977-12-10 1978-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-10 1981-12-10 1982-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-10 1985-12-10 1986-06-11 $7700.00 Window Closed / Lapsed

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