High-ortho phenol-formaldehyde resoles containing hemiformal gro

Details High-ortho phenol-formaldehyde resoles containing hemiformal gro High-ortho phenol-formaldehyde resoles containing hemiformal gro

1983-12-14

1986-03-25

Schan, Howard E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

425543, 525480, 528140, 528150, 528153, 528154, 528165, 528155, C08G 810

Patent

active

045784485

ABSTRACT:
Disclosed are high-ortho phenol-formaldehyde resoles having stable hemiformal groups. These resoles are of low viscosity, are essentially free of unbound water and volatile organic compounds. They are curable to phenolic formaldehyde resinous solids and are particularly suitable for use in liquid injection molding processes to form composites.

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