Yuan Zhang1, Ping Li1, Yiqiang Wu1,2, Guangming Yuan1,2, Xianjun Li1,2, Yingfeng Zuo1,2,*
Journal of Renewable Materials, Vol.8, No.11, pp. 1473-1488, 2020, DOI:10.32604/jrm.2020.011788
Abstract The Chinese fir wood was impregnated using a cyclic increasingpressure method (CIPM) with phenolic prepolymers as the impregnating modifier.
Unmodified Chinese fir and progressive increasing-pressure method (PIPM)
impregnated Chinese fir were used as reference samples and were compared and
analyzed. The product’s chemical structure, internal morphology, crystal structure,
and heat resistance were characterized. The transversal and longitudinal sections
showed better filling effects, so that it bore greater external loading and reduced
the water storage space. CIPM infused more phenolic prepolymer into the Chinese
fir. Not only producing more physical filling but also forming more hydrogen bond
associations and chemical bond… More >
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