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Phenol-formaldehyde resins modified with lignosulphonates for the manufacture of plywood and fibreboards

Derevoobrabatyvayushchaya Promyshlennost' (10): 3-5
Phenol-formaldehyde resins modified with lignosulphonates for the manufacture of plywood and fibreboards
In trials at several plywood and fibreboard factories in European Russia, various grades of technical lignosulphonates were substituted for 10-15% of the phenol in the resins. The quality of the modified resins and of the resulting boards conformed to the Soviet standards. Neutralized Na-type lignosulphonate gave the best adhesive properties, with the possibility of 25% substitution.

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Accession: 001653661

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