采用废旧胶粉和抗车辙剂对90号A级道路石油沥青进行双重改性,对比双重改性沥青混合料与SBS改性沥青混合料的高温性能、低温性能、水稳定性能,结果表明双重改性沥青混合料的高温性能优于SBS改性沥青混合料,低温性能略低于SBS改性沥青混合料、水稳定性能略高于SBS改性沥青混合料。总体而言,双重改性沥青混合料的路用性能可满足规范的最高要求,且其高温抗车辙性能显著。

Asphalt mixture was double modified by waste robber powder and anti-rutting agent. High and low temperature performance, water stability performance between SBS modified asphalt mixture and dou-ble modified asphalt mixture were contrasted. The results show that the high temperature performance of double modified asphalt mixture is better than that of the SBS modified asphalt mixture,the low tempera-ture performance of double modified asphalt mixture is a little less than that of the SBS modified asphalt mixture, the water stability performance of double modified asphalt mixture is a little better than that of the SBS modified asphalt mixture. Overall, double modified asphalt mixture can meet the highest require-ments of the specification, and high temperature anti-rutting performance is significantly.

采用硫酸铵和碳酸氢铵以及轻烧MgO粉为原料，利用液相沉淀法制备高纯纳米级MgO。同时对纳米MgO进行表面改性，使其可以更好地分散在MC尼龙基体中。将改性后的纳米MgO，以氢氧化钠为催化剂，甲苯二异氰酸酯为活化剂对MC尼龙进行单体浇铸，制得MC尼龙／MgO复合材料。结果表明，经纳米MgO粒子改性后的MC尼龙，其冲击强度和拉伸强度比纯MC尼龙都有所提高，具有增韧和增强的双重效果。

Method of preparing high-purity nano MgO by liquid-phase deposition using ammonium sulfate,ammonium bicarbonate and light-bumed MgO powder was introduced,and the nano MgO surface was modified in order to attain a better dispersion in the MC nylon. Meanwhile,MC nylon/nano MgO composites were employed using sodium hydroxide as catalyst, toluene diisocyanate (TDI) as activator and modified nano MgO. The results show that both impact strength and tensile strength of the MC nylon modified by nano MgO particles are higher than those of pure MC nylon,which exhibited an increases in the aspects of strength and toughness.

采用附晶生长法合成了HY/MCM-41复合分子筛,利用X射线衍射仪（XRD）、N2吸附脱附、扫描电镜（SEM）、透射电镜（TEM）、智能重量分析仪（IGA）、吡啶原位红外（Py-IR）等技术对其物化性质进行了表征,发现HY/MCM-41复合分子筛具有微孔和介孔的双重孔道分布,且形貌为核壳结构。通过对金属Ce离子改性制得吸附剂的吸附脱硫性能考察,发现固相研磨法改性的吸附剂在空速为5h-1时吸附穿透硫容量可达1.81mg/g,大于液相离子交换法改性的吸附剂吸附穿透硫容量1.32mg/g。采用静态间歇法时,固相改性的吸附剂的脱硫率可达90.6%,高于液相改性的吸附剂脱硫率81.2%。同时发现,吸附剂表面的B酸对吸附脱硫有着抑制作用,而L酸尤其是弱的L酸的酸量与吸附脱硫性能有着正相关关系。

HY/MCM-41 meso-micro-porous composite materials composed of a core of HY zeolite and a thin layer of MCM-41 have been synthesized by the overgrown crystallization.The samples were characterized by means of X-ray diffraction (XRD),N2 adsorption-desorption,scanning electron microscope (SEM),transmission electron microscope (TEM),Pyridine in situ infrared (Py-IR)and Intelligent Gravimetric Analyzer (IGA)instruments.It was found that the composite material exhibited both properties of mesoporous MCM-41 and microporous HY-zeolite sieves.Adsorptive desulfurization performances of Ce ion supported over the synthesized composites as a sulfur adsorbent were evaluated.It was found that when the adsorbent was prepared by a solid-state grinding method with sulfur capacity of 1.81 mg/g can be obtained.While for the liquid ion exchange method,only 1.32 mg/g sulfur capacity can be reached.Through the batch methods it is found that for the former modified adsorbents the desulfurization degree can be r

以己二酸为界面改性剂,在碳酸钙表面引入羧基,通过壳聚糖2位氨基与羧基反应制备壳聚糖—己二酸双重包覆改性的碳酸钙(CAC)。采用红外、热重、XRD、SEM表征产物的微结构和形态,研究产物的Zeta电位、比表面积、接触角、粒度分布等界面性能。结果表明:己二酸、壳聚糖通过化学作用包覆在碳酸钙表面,当壳聚糖用量大于5%时,碳酸钙完全被包覆;当壳聚糖用量为9%时,CAC的Zeta电位由-27.58 mV提高到+13.11 mV,比表面积由2.846 m2/g提高到4.709 m2/g,平均粒径由11.21μm降低至7.49μm,接触角由0°变为87°,产物疏水性增强。

Adipic acid was used to introduce carboxyl group onto the surface of calcium carbonate ( CaCO3 ).The CaCO3 coated with chitosan-adipic acid( CAC) was prepared through the interaction between 2 site amino group of chitosan and carboxyl group of adipic acid.The strucure of CAC was characterized using FT-IR,TGA,XRD and SEM.The Zeta potential, specific surface area, particle size distribution and contact angle of CAC were studied to evaluate its interfacial properties.The re-sults show that chitosan and adipic acid on CAC were combined through chemical interactions.When the chitosan concentration was more then 5%, the surface of CaCO3 was coated completely.Compared to the unmodified CaCO3, Zeta potential of CAC increased from-27.58 mV to+13.11 mV, specific surface area increased from 2.846 m2/g to 4.709 m2/g, average particle size decreased from 11.21 μm to 7.49 μm,contact angle incerased from 0o to 87o when chitosan was applied at a 9%concentration.

以环氧大豆油（ESO）与3-氨基丙基三乙氧基硅烷（KH550）双重交联改性水性聚氨酯（WPU）。通过FTIR、TG、DSC、DMA、AFM、粒径分析仪、拉力试验机等仪器对改性的水性聚氨酯进行了表征。研究了ESO和KH550的含量对水性聚氨酯乳液、胶膜以及胶黏剂性能的影响。分析了KH550对水性聚氨酯结晶性能和微相分离的影响。研究发现，随着ESO与KH550的加入，水性聚氨酯乳液的性能得到改善，胶膜的吸水率先减小后增大，拉伸强度逐渐增大，断裂伸张率逐渐减小。水性聚氨酯胶黏剂对PVC的T-剥离强度先增大后减小。随着KH550含量的增加，热稳定性逐步改善，结晶性降低，软段与硬段相混合程度提高。当ESO为4%、KH550为2%（均为质量分数）时，水性聚氨酯胶黏剂的综合性能最好。

Waterborne polyurethane (WPU) modified by epoxy soybean oil (ESO) and 3-aminopropyltriethoxysilane (KH550) were synthesized. The properties of the modified WPU were characterized by FTIR, TG, DSC, DMA, AFM, particle size analyzer and tensile test machine. The effects of contents of ESO and KH550 on the properties of WPU emulsion, its film and adhesive strength were studied. And the effect of KH550 on the crystallinity and microphase separation of WPU was analyzed. With the increase of contents of ESO and KH550, the properties of WPU dispersion were improved, the water absorption of WPU film decreased first, and then increased. Tensile strength increased, while elongation at break decreased. The T-peel strength of the adhesive to PVC/PVC increased first, and then decreased. With increasing KH550 content, thermal stability of the WPU film was improved, crystallinity decreased, degree of mixing of soft segment phase and hard segment phase was enhanced. When the contents of ESO a