CAJ | 학술논문

利用环氧树脂和二烯丙基双酚A (DP)合成了一种新型烯丙基化合物(改性剂A)，然后用该化合物改性双马来酰亚胺树脂(BMI)，通过差示扫描量热法研究了BMI/DP/改性剂A体系的固化反应动力学，确定了固化工艺参数，并测试了该体系的力学性能、热性能和溶解性能。结果表明，该体系固化反应的表观活化能为88.512 kJ/mol，反应级数为0.91，为非整数，表明固化反应机理较为复杂；该体系较佳的固化工艺为150℃/1 h+170℃/2 h+200℃/2 h；相对于DP，改性剂A对BMI的增韧效果更为优异，当改性剂A用量为70份时，BMI/DP/改性剂A体系的力学性能最好，其冲击强度为23.31 kJ/m2，弯曲强度为155.8 MPa，热变形温度为224℃，质量损失5%时的温度为389.4℃，可溶于丙酮，具有良好的韧性、热性能和溶解性能。
이용배양수지화이희병기쌍분A (DP)합성료일충신형희병기화합물(개성제A)，연후용해화합물개성쌍마래선아알수지(BMI)，통과차시소묘량열법연구료BMI/DP/개성제A체계적고화반응동역학，학정료고화공예삼수，병측시료해체계적역학성능、열성능화용해성능。결과표명，해체계고화반응적표관활화능위88.512 kJ/mol，반응급수위0.91，위비정수，표명고화반응궤리교위복잡；해체계교가적고화공예위150℃/1 h+170℃/2 h+200℃/2 h；상대우DP，개성제A대BMI적증인효과경위우이，당개성제A용량위70빈시，BMI/DP/개성제A체계적역학성능최호，기충격강도위23.31 kJ/m2，만곡강도위155.8 MPa，열변형온도위224℃，질량손실5%시적온도위389.4℃，가용우병동，구유량호적인성、열성능화용해성능。
A novel allyl compound (modifier A) was successfully synthesized by epoxy resins and 3,3'-diallyl-bisphenol A (DP) to modify bismaletimide (BMI) resin. The curing reaction kinetics of BMI/DP/modifier A system was investigated by differential scanning calorimetry (DSC) and the curing process parameters were defined. Mechanical,thermal and dissolution properties of the system were tested. The results show that apparent activation energy of the system is 88.512 kJ/mol,reaction order is 0.91 and it isn't integer which indicates that the curing reaction mechanism is complicated. The curing process parameters are 150℃/1 h+170℃/2 h+200℃/2 h. The toughening effect of the modifier A on BMI is much better than DP,when the content of the modifier A was 70 phr,the mechanical properties of the system are best and the impact strength,flexible strength,heat distorsional temperature and temperature with mass loss being 5%are 23.31 kJ/m2,155.8 MPa,224℃and 389.4℃respectively,the system can be dissolved in acetone and has good toughness,thermal properties and dissolution properties.