含铝灰聚氨酯导热结构胶的制备与性能  

Preparation and Performance Study of Aluminum Ash Polyurethane Thermally Conductive Structural Adhesive

作　　者：覃巧 吴育南 靳焘[1,2,3,4,5,6] QIN Qiao;WU Yunan;JIN Tao(Guangzhou Institute of Chemistry,Chinese Academy of Sciences,Guangzhou 510650,China;University of Chinese Academy of Sciences,Beijing 100049,China;CAS Testing Technical Services(Guangzhou)Co.Ltd.,Guangzhou 510650,China;CAS Engineering Laboratory for Special Fine Chemicals,Chinese Academy of Sciences,Guangzhou 510650,China;CASH GCC Shaoguan Research Institute of Advanced Materials,Shaoguan 512400,China;CASH GCC(Nanxiong)Research Institute of Advanced Materials Co.,Ltd.,Shaoguan 512400,China)

机构地区：[1]中国科学院广州化学研究所,广东广州510650 [2]中国科学院大学,北京100049 [3]中科检测技术服务(广州)股份有限公司,广东广州510650 [4]中国科学院新型特种精细化学品工程实验室,广东广州510650 [5]国科广化韶关新材料研究院,广东南雄512400 [6]国科广化(南雄)新材料研究院有限公司,广东南雄512400

出　　处：《广州化学》2024年第3期57-60,I0003,共5页Guangzhou Chemistry

摘　　要：以蓖麻油、IPDI、聚天门冬氨酸酯树脂以及聚四氢呋喃二醇为主要原料,制备了双组份无溶剂聚氨酯胶粘剂。以铝灰作为填料加入聚氨酯胶粘剂中,实现了铝灰的资源化回收利用。对产物进行红外表征,证明了蓖麻油成功引入聚氨酯长链上。研究结果表明:随着铝灰含量的增加,导热系数逐渐提高;拉伸强度整体呈现先下降再上升的趋势;当铝灰填料添加量在50%时,钢材剪切强度为6.43 MPa,拉伸强度为7.71 MPa,断裂伸长率为27.2%,导热系数可达到0.41W/(m·K),为空白对照组的228%。Using castor oil,IPDI,polyaspartic ester resin,and polytetrahydrofuran diol as the main raw materials,a two-component solvent-free polyurethane adhesive was prepared.Aluminum ash was used as a filler added to the polyurethane adhesive,achieving the resourceful recycling of aluminum ash.The product was characterized by infrared spectroscopy,confirming the successful introduction of castor oil into the long chain of polyurethane.The research results indicate:as the content of aluminum ash increases,the thermal conductivity gradually improves;the tensile strength overall shows a trend of first decreasing and then increasing;when the aluminum ash filler addition is 50%,the shear strength of the steel is 6.43 MPa,the tensile strength is 7.71 MPa,the elongation at break is 27.2%,and the thermal conductivity can reach 0.41W/(m·K),which is 228%of the blank control group.

关 键 词：聚氨酯胶粘剂 蓖麻油 铝灰 聚天门冬氨酸酯 聚四氢呋喃二醇 

分 类 号：O631.2[理学—高分子化学]