Claims
- 1. Cellular polymeric masses, the polymeric composition of which comprises the reaction product of a mixture containing
- a. phenolaldehyde benzylic ether resin comprising the reaction product of a phenol having the general formula: ##SPC4##
- wherein, A, Y and Z are hydrogen, hydrocarbon radicals, oxyhydrocarbon radicals or halogen, with an aldehyde having the general formula R'CHO, wherein R' is hydrogen or a hydrocarbon radical of 1-8 carbon atoms, at a mole ratio of aldehyde to phenol of greater than 1, in the liquid phase under substantially anhydrous conditions with the removal of water above 100.degree.C. and at temperatures below about 130.degree.C. in the presence of catalytic concentrations of a soluble divalent metal salt dissolved in the reaction medium;
- b. a polyisocyanate;
- c. a source of foaming gas.
- 2. The product of claim 1 wherein said phenolaldehyde benzylic ether resin has the general formula: ##SPC5##
- wherein R is a hydrogen, hydrocarbon radical, oxyhydrocarbon radical or halogen meta to the phenolic hydroxyl group, the sum of m and n is at least 2 and the ratio of m- to -n is at least 1, and X is an end-group selected from the group consisting of hydrogen and methylol with the molar ratio of said methylol-to-hydrogen end-groups being at least 1.
- 3. The product of claim 1 wherein said reaction product is the product of reaction of said phenol-aldehyde benzylic ether resin and said polyisocyanate in the presence of tertiary amine catalyst.
- 4. The product of claim 2 wherein said polyisocyanate is a liquid aromatic diisocyanate.
- 5. The product of claim 4, wherein the aldehyde in said phenol-aldehyde resin is formaldehyde.
- 6. The product of claim 2, wherein said source of foaming gas is water.
- 7. The product of claim 2 wherein said source of foaming gas is a blowing agent which is vaporized at the reaction temperature.
RELATED APPLICATIONS
This is a continuation of application Ser. No. 287,387, filed Sept. 8, 1972, now abandoned, which was a continuation of Ser. No. 109,947, filed Jan. 26, 1971, now abandoned, which was a continuation in part of Ser. Nos. 72,113 filed Sept. 14, 1970, now abandoned, of Ser. No. 723,873, filed Apr. 24, 1968, now abandoned, of Ser. No. 596,106, filed Aug. 1, 1966, now abandoned, and of Ser. No. 536,180, filed Mar. 14, 1966, now U.S. Pat. No. 3,485,797.
US Referenced Citations (10)
Non-Patent Literature Citations (1)
Entry |
Hackh's Chemical Dictionary, 3rd Ed., Grunt, McGraw-Hill, N.Y., 1944, p. 607. |
Related Publications (3)
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Number |
Date |
Country |
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723873 |
Apr 1968 |
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596106 |
Aug 1966 |
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536180 |
Mar 1966 |
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Continuations (2)
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Number |
Date |
Country |
Parent |
287387 |
Sep 1972 |
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Parent |
109947 |
Jan 1971 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
72113 |
Sep 1970 |
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