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US3969321A
Expired / Lapsed
US
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Manufacturing process for producing reaction products of phenol-formaldehyde resins with liquid chain-growth polymers of hydrocarbon dienes
Assignee: Sumitomo Durez Co Ltd
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Filing: 1974-10-01
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Granted: 1976-07-13
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Expires: 1994-10-01
Abstract
Abstract A manufacturing process for synthetic resins is characterized by reacting oligomers produced from diene compound raw materials directly with phenols or phenolic resins in the presence of acidic catalysts.
Inventors
- 👤 Yuji Kako
- 👤 Toyoji Kikuga
- 👤 Akira Toko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:50
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G8/30; C08F; C08F283/00; C08F283/006; C08F283/008
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
103 words
In the process for the preparation of a reaction product of a phenol-aldehyde resin and an olefinically unsaturated polymer the improvement which comprises employing as the unsaturated polymer a liquid chain growth polymer of a conjugated hydrocarbon diene monomer or mixture of said diene and a compatible hydrocarbon monoolefin comonomer, said mixture containing at least about 20 weight percent of said diene, said polymer being greater than a dimer, having a molecular weight less than 10,000 and being substantially devoid of conjugated unsaturation, said reaction of phenol aldehyde resin and liquid polymer being carried out in the presence of a strong acid catalyst.
Claim 2
Dependent Claim
103 words
In the process for the preparation of a reaction product of a phenol-aldehyde resin and an olefinically unsaturated polymer the improvement which comprises employing as the unsaturated polymer a liquid chain growth polymer of a conjugated hydrocarbon diene monomer or mixture of said diene and a compatible hydrocarbon monoolefin comonomer, said mixture containing at least about 20 weight percent of said diene, said polymer being greater than a dimer, having a molecular weight less than 10,000 and being substantially devoid of conjugated unsaturation, said reaction of phenol aldehyde resin and liquid polymer being carried out in the presence of a strong acid catalyst.
Claim 3
Dependent Claim
15 words
The process of claim 1 wherein the strong acid catalyst is a mineral acid catalyst.
Claim 4
Dependent Claim
22 words
The process of claim 2 wherein the diene monomer is selected from the group consisting of butadiene, isoprene, pentadiene and mixtures thereof.
Claim 5
Dependent Claim
18 words
The process of claim 3 wherein the liquid polymer is a polymer of the conjugated hydrocarbon diene monomer.
Claim 6
Dependent Claim
10 words
The process of claim 4 wherein the aldehyde is formaldehyde.
Claim 7
Dependent Claim
14 words
The process of claim 5 wherein the phenol-formaldehyde resin is a phenol-formaldehyde resole resin.
Claim 8
Dependent Claim
16 words
The process of claim 5 wherein the phenol formaldehyde resin is a phenol formaldehyde novolac resin.
Claim 9
Dependent Claim
19 words
The process of claim 3 wherein the liquid polymer is the polymer of the diene monomer and mono-olefinic comonomer.
Claim 10
Dependent Claim
10 words
The process of claim 8 wherein the aldehyde is formaldehyde.
Claim 11
Dependent Claim
14 words
The process of claim 9 wherein the phenol-formaldehyde resin is a phenol-formaldehyde novolac resin.
Claim 12
Dependent Claim
14 words
The process of claim 9 wherein the phenol-formaldehyde resin is a phenolformaldehyde resale resin.
Claim 13
Dependent Claim
33 words
The process of claim 11 wherein the liquid polymer is a butadiene-isobutylene polymer having substantially 1,4 linkages, the phenol is para tertiary butyl phenol, and the strong acid catalyst is ferric chloride hexahydrate.
Claim 14
Dependent Claim
6 words
The polymer product of claim 1.
Claim 15
Dependent Claim
6 words
The polymer product of claim 12.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-13 | 1980-01-12 | 1980-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-13 | 1984-01-12 | 1984-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-13 | 1988-01-12 | 1988-07-13 | $7700.00 | Window Closed / Lapsed |