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酚醛胶胶合板老化性质的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1988年02期
Page:
108-114
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A STUDY ON ACCELERATED-AGING TESTS OF PHENOLIC-BONDED PLYWOOD
Article ID:
1000-2006(1988)02-0108-07
Author(s):
Hua Yukun & Wang Siqun
Department of Wood Science and Technology
Keywords:
Plywood Accelerated-aging Phenol formaldehyde resin
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1988.02.015
Document Code:
A
Abstract:
This paper purposely studies effects of accelerated-aging test on propel ties of phenolic-bonded plywood 9 layers (18mm) and 3 layers of plywood were used in experiments. As a result of accelerated-aging tests, various proper-ties of phenolic-bonded plywood decreased obviously, While the water-absorb-ing ratio and percent thickness swelling of plywood increased. The effect of accelerated-aging tests on MOE of 9-layer phywood is larger than that on MOR. The D-5, ASTM and V100 of accelerated-aging test have same severe exposure condition, Violent degree of sample treatment of I-degree plywood shown in the China plywood standard is similar to the six-cycle accelerated-aging test of ASTM.

References

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Last Update: 1900-01-01