私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

當前位置:> 首頁 > 論文著作 > 正文
Synthesis and properties of a novel bio-based benzoxazine resin with excellent low-temperature curing property
作者:Zhan ZM, Yan HQ*, Yin P, Cheng J, Fang ZP
關鍵字:bio-based benzoxazine; synthesis; low-temperature curing ability; thermal stability
論文來源:期刊
具體來源:Polymer International, 2020.4, 69(4): 355-362
發表時間:2020年
A novel bio-based benzoxazine resin (diphenolic acid/furfurylamine benzoxazine resin, PDPA-F-Boz) was prepared by using bio-based diphenolic acid, furfurylamine and paraformaldehyde as raw materials. The structure of DPA-F-Boz monomer was characterized by Fourier transform infrared spectroscopy, 1H NMR and 13C NMR, and then its curing reaction and the thermal stability of the cured PDPA-F-Boz were analyzed. Compared with the traditional fossil-based benzoxazine (bisphenol A/anilinebenzoxazine,BPA-A-Boz) andthebio-basedbenzoxazine (diphenolic acid/anilinebenzoxazine,DPA-A-Boz), DPA-F-Boz monomer showed the lowest curing temperature, and PDPA-F-Boz had the highest residual char ratio at 800 °C and the lowest degradation rate at the peak temperature.Meanwhile, the total heat release, peak heat release rate and heat release capacity of PDPA-F-Boz were much lower than those of PBPA-A-Boz and PDPA-A-Boz. Thus, PDPA-F-Boz showed excellent low-temperature curing ability and thermal stability.
主站蜘蛛池模板: 通渭县| 博客| 古浪县| 连城县| 大埔区| 石城县| 淳化县| 治县。| 南投市| 卢湾区| 寿光市| 竹山县| 大悟县| 云梦县| 建德市| 浦江县| 依安县| 江源县| 阜宁县| 剑阁县| 四会市| 崇阳县| 永康市| 邢台市| 陵水| 固原市| 海原县| 儋州市| 新泰市| 岢岚县| 卓尼县| 高台县| 丰城市| 鹤岗市| 剑阁县| 巴彦淖尔市| 佛冈县| 海门市| 喀什市| 南安市| 柳林县|