When mixing the MDI and PF,adding the MDI first has higher IB (internal bond strength) and TS(thickness swelling of the board) than adding the UF first.

• 按照不同的施胶顺序将异氰酸酯与不同的酚醛胶混合。 结果表明：先施加异氰酸酯再施加PF与先施加PF再施加异氰酸酯相比，板材的内结合强度和厚度膨胀率好；