Study of intumescent fire retardant varnish based on amino resin etherified by pentaerythritol
MA Zhiling,LI Xiaoying,DING Chunyue
Journal of Hebei University (Natural Science Edition) . 2013, (1): 29 -34 .  DOI: 10.3969/j.issn.1000-1565.2013.01.007