US3953645A
Expired / Lapsed
US
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Phenolic polymer, related products and processes thereof
Assignee: Celotex Corp
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Filing: 1974-09-27
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Granted: 1976-04-27
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Expires: 1994-09-27
Abstract
Abstract Phenolic polymers which can be produced by reacting ortho-cresol with other phenolic materials, such as phenol, are described. Phenolic compositions comprising these phenolic polymers mixed with other phenolic materials, cellular materials produced from these phenolic polymers having low friability, and related processes and products are also described.
Inventors
- 👤 Ernest K. Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:33
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/18; C; C08; C08G; C08G8/00; C08G8/04; B32B29/00; B32B29/002; B32B29/007; B32B5/22; B32B5/24; B32B5/245; C08G8/08; C08G8/12; C08G8/24; C08J; C08J9/00; C08J9/04; C08J9/12; C08J9/14; C08J9/143; C08J9/147; B32B2305/00; B32B2305/02; B32B2607/00; C08J2361/00; C08J2361/04; C08J2361/06; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/249976; Y10T428/249987; Y10T428/24999
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
153 words
A laminated structural panel having at least one facing sheet and having a cellular material adhering thereto wherein the cellular material comprises the reaction product of: A. an alkylol group containing phenolic polymer of Formula I: ##SPC7## wherein: a. R 1 is ##EQU5## hydrogen or a radical of Formula II: ##SPC8## b. the R 2 's are independently selected from the group consisting of lower alkyl, phenyl, benzyl, halo, nitro and hydrogen c. the R 3 's are independently selected from the group consisting of ##EQU6## hydrogen, or a radical of Formula II, (d) the R 4 's are independently selected from the group consisting of lower alkyl, hydrogen, phenyl, benzyl, or furyl, (e) m is an integer from 2 to 10 inclusive, (f) the phenolic polymer has a molecular weight between 200 and 2000, and B. a compound of Formula V: ##SPC9## wherein the weight ratio of B:A is 1:30 to 1:2.
Claim 2
Dependent Claim
153 words
A laminated structural panel having at least one facing sheet and having a cellular material adhering thereto wherein the cellular material comprises the reaction product of: A. an alkylol group containing phenolic polymer of Formula I: ##SPC7## wherein: a. R 1 is ##EQU5## hydrogen or a radical of Formula II: ##SPC8## b. the R 2 's are independently selected from the group consisting of lower alkyl, phenyl, benzyl, halo, nitro and hydrogen c. the R 3 's are independently selected from the group consisting of ##EQU6## hydrogen, or a radical of Formula II, (d) the R 4 's are independently selected from the group consisting of lower alkyl, hydrogen, phenyl, benzyl, or furyl, (e) m is an integer from 2 to 10 inclusive, (f) the phenolic polymer has a molecular weight between 200 and 2000, and B. a compound of Formula V: ##SPC9## wherein the weight ratio of B:A is 1:30 to 1:2.
Claim 3
Dependent Claim
21 words
A panel of claim 1 wherein the cellular material has a bulk density of 1 to 5 pounds per cubic foot.
Claim 4
Dependent Claim
21 words
A panel of claim 1 wherein the cellular material has a thermal conductivity value (k) of from 0.1 to 1.0 BTU-inch/hr-°F-sq.ft.
Claim 5
Dependent Claim
18 words
A panel of claim 1 wherein the cellular material in the reaction product further comprises a foaming catalyst.
Claim 6
Dependent Claim
22 words
A panel of claim 4 wherein the foaming catalyst in the reaction product in the cellular material is an aromatic sulfonic acid.
Claim 7
Dependent Claim
29 words
A panel of claim 4 wherein the aromatic sulfonic acid in the reaction product in the cellular material is equal parts of p-toluene sulfonic acid and xylene sulfonic acid.
Claim 8
Dependent Claim
37 words
A panel of claim 4 wherein the foaming catalyst in the reaction product in the cellular material is present in an amount sufficient to give the reaction produt a cream time of from 10 to 50 seconds.
Claim 9
Dependent Claim
28 words
A panel of claim 4 wherein the foaming catalyst in the cellular material comprises from 0.5 to 20 weight percent based on the weight of the cellular material.
Claim 10
Dependent Claim
18 words
A panel of claim 1 wherein the reaction product of the cellular material further comprises a blowing agent.
Claim 11
Dependent Claim
26 words
A panel of claim 9 wherein the blowing agent in the cellular material has an atmospheric pressure boiling point of from - 50° to 100° C.
Claim 12
Dependent Claim
20 words
A panel of claim 9 wherein the blowing agent in the reaction product in the cellular material is a halohydrocarbon.
Claim 13
Dependent Claim
19 words
A panel of claim 9 wherein the blowing agent in the reaction product in the cellular material is trichlorofluoromethane.
Claim 14
Dependent Claim
32 words
A panel of claim 9 wherein the blowing agent in the reaction product in the cellular material comprises from 1 to 30 weight percent based on the weight of the cellular material.
Claim 15
Dependent Claim
17 words
A panel of claim 1 wherein the reaction product in the cellular material further comprises a surfactant.
Claim 16
Dependent Claim
18 words
A panel of claim 14 wherein the surfactant in the reaction product in the cellular material is nonionic.
Claim 17
Dependent Claim
21 words
A panel of claim 14 wherein the surfactant in the reaction product in the cellular material is a polydimethyl siloxane-polyoxyalkylene copolymer.
Claim 18
Dependent Claim
37 words
A panel of claim 14 wherein the surfactant in the reaction product in the cellular material comprises from 0.05 to 10 weight percent based on the weight of the phenolic composition employed to produce the cellular material.
Claim 19
Dependent Claim
122 words
A laminated structural panel having at least one facing sheet and having a cellular material adhering thereto wherein the cellular material comprised the reaction product of: A. a methylol group containing phenolic polymer of Formula III: ##SPC10## wherein: a. R 1 is HOCH 2 --, hydrogen or a radical of Formula IV: ##SPC11## b. the R 3 's are independently selected from the group consisting of HOCH 2 --, hydrogen or a radical of Formula IV, c. m is an integer from 3 to 6 inclusive, d. the phenolic polymer has a molecular weight between 300 and 1500, and B. phenol, wherein the weight ratio of B:A is 1:20 to 1:5, C. a foaming catalyst, D. a blowing agent, E. a surfactant.
Claim 20
Dependent Claim
122 words
A laminated structural panel having at least one facing sheet and having a cellular material adhering thereto wherein the cellular material comprised the reaction product of: A. a methylol group containing phenolic polymer of Formula III: ##SPC10## wherein: a. R 1 is HOCH 2 --, hydrogen or a radical of Formula IV: ##SPC11## b. the R 3 's are independently selected from the group consisting of HOCH 2 --, hydrogen or a radical of Formula IV, c. m is an integer from 3 to 6 inclusive, d. the phenolic polymer has a molecular weight between 300 and 1500, and B. phenol, wherein the weight ratio of B:A is 1:20 to 1:5, C. a foaming catalyst, D. a blowing agent, E. a surfactant.
References Cited (Backward Citations)
US3081269A
Cited
US3835208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |