Conventional phenolic resin coatings were susceptible to cracking due to their high brittleness,and are not used alone in many projects.Thermosetting phenolic resin coating was prepared by using cashew phenol instead of phenol,and furfural instead of formaldehyde as raw materials under the action of alkaline catalyst with phenolic molar ratio less than 1.The effects of reaction temperature and reaction time on film properties were discussed.The structure of the resin was characterized by infrared spectroscopy.The thermal stability of the coating film was analyzed by thermogravimetry.The basic film properties,mechanical properties and corrosion resistance were checked according to national standards.The results shown that the optimum conditions for the preparation of the resin were 90℃ and the reaction time was 90～120min.The coating prepared under these conditions had the best coating performance.
Liu Yunxue, Shi Junyan, Kang Xiaotian, Fan Zhaorong
. Preparation and property of cardanol furfural resin anticorrosive coating[J]. New Chemical Materials, 2021
, 49(1)
: 117
-120
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.01.026
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