Please help me on how to synthesize low molecular weight phenol formaldehyde resin that can penetrate the wood cell wall.
Thank you for your time.
Dear Maryam Haseli,
I think the article in attached may help you understand the process you are asking for.
Best wishes,
Sabri
In industrial practice, there are two basic methods for making the polymer into useful resins. In one method, an excess of formaldehyde is reacted with phenol in the presence of a base catalyst in water solution to yield a low-molecular-weight prepolymer called a resole. The resole, frequently in liquid form or solution, can be cured to a solid thermosetting network polymer by, for instance, sandwiching it between layers of wood veneer and then heating the assembly under pressure to form a plywood.
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