The Development of Thermocompressor for Joining Plastic and Hardware;
连接塑胶与五金的热压机的研制与开发
The uncertainty for determination of Cd, Pb, Hg, Cr in plastic by inductively coupled plasma atomic emission spectrometry was evaluated.
对电感耦合等离子体发射光谱法测定塑胶中镉、铅、汞、铬含量的不确定度进行了评定。
Determination of Poiybromodiphenyl Ethers and Polybromobiphenyls in Plastic Products by Gas Chromatography-Mass Spectrometry;
建立了气相色谱-质谱测定塑胶产品中多溴联苯醚及多溴联苯的方法。
According to the investigation on the producing,paving and using status of the Synthetic Rubber Sports Track products,this article analyzes the producing process,the material component and the existing state of TDI from the Synthetic Rubber Sports Track,and also discusses TDI harm to human body.
介绍了甲苯二异氰酸酯的性状及对人体影响,通过对青岛市塑胶场地产品的生产、铺设以及使用情况的调查,分析了塑胶场地的生产过程、材料成分以及其中TDI的存在状态;探讨了塑胶场地挥发气体中TDI对人体的危害程度的大小,认为目前质量可靠的塑胶场地在开阔的环境下TDI挥发量极小,不会对人体产生影响。
In order to reducing the cost,MDI-type polyurethane(PU)plastic racetrack material used in sports was manufactured,by increasing the percent of NCO and adjusting the B-component in the raw materials.
以降低成本为目的,提高了预聚体的NCO质量分数,同时对B组分中的原材料进行了选择与调整,研制了MDI型双组分聚氨酯塑胶跑道铺装材料。