Claims
- 1. In a process for producing a multi-layer particle board having both an inner layer and an outer layer of glued particle board, the improvement which comprises forming said outer layer by gluing particles together into said outer layer with a resin composition comprising very large molecules formed by the condensation of a sufficient quantity of phenol with formaldehyde or another lower aldehyde having from 1 to 4 carbon atoms to produce a resin composition having a solids content of from about 30 to 39 percent by weight, said resin composition having an alkali content between about 2 and 6 percent by weight and a viscosity of from about 30 to 90 seconds (4-mm DIN cup), said resin composition consisting essentially of the reaction product of said formaldehyde or lower aldehyde, said phenol, alkali and water.
- 2. The process of claim 1 wherein said solids content comprises between about 30 and 37% by weight.
- 3. The process of claim 1 wherein said solids content comprises between about 33 and 37% by weight.
- 4. The process of claim 1 wherein said particles comprise wood.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2944178 |
Nov 1979 |
DEX |
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Parent Case Info
This is a continuation-in-part of application Ser. No. 414,268, filed Sept. 2, 1982, which was a continuation of Ser. No. 202,529 filed Oct. 31, 1980, both now abandoned.
US Referenced Citations (6)
Continuations (1)
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Number |
Date |
Country |
Parent |
202529 |
Oct 1980 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
414268 |
Sep 1982 |
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