A phosphorus-containing compound, a phosphorus-containing flame retardant, and a preparation method thereof are provided. Also provided is a resin composition which comprises the phosphorus-containing flame retardant and an unsaturated bond-containing resin. The resin composition may be used to make various articles, such as a prepreg, a resin film, a resin-coated copper, a laminate or a printed circuit board, and achieves improvement in at least one, more or all properties including resin filling property of prepreg, flame retardancy, alkali resistance, glass transition temperature, thermal dimensional stability (ratio of dimensional change under heat), thermal resistance after moisture absorption, peeling strength, dielectric constant and dissipation factor.
提供了一种
含磷化合物、一种含
磷阻燃剂及其制备方法。此外,还提供了一种
树脂组合物,其中包括含
磷阻燃剂和含不饱和键
树脂。该
树脂组合物可用于制造各种物品,例如预浸料、
树脂薄膜、
树脂涂层
铜、层压板或印刷电路板,并可改善至少一种、多种或所有性能,包括预浸料的
树脂填充性能、阻燃性、耐碱性、
玻璃化温度、热尺寸稳定性(受热尺寸变化率)、吸湿后的耐热性、剥离强度、介电常数和耗散因子。