有机玻璃透明导电膜配套涂层的应用研究

探讨了有机玻璃透明导电膜配套用底涂和面涂体系,研制了相应的丙烯酸树脂。制备出适用于有机玻璃导电膜的底涂层和面涂层,并对膜系进行了环境性能考核,获得了综合性能良好的有机玻璃导电膜配套涂料体系。     

氟碳外墙涂料及其配套涂层的研究

以羟基氟树脂为基体树脂,制备了一种高耐候外墙涂料漆,同时使用自制的丙烯酸树脂配制了外墙中涂漆及封闭底漆。该配套涂层施工方便,具有优异的装饰性能,且耐候性能优异。     

耐候长效防腐丙烯酸改性聚硅氧烷涂料制备研究

丙烯酸改性聚硅氧烷涂料配方设计中性能平衡是难点,为同时保证涂层具有优异的防护性和应用性,以柔韧性、耐温变性、层间附着力、防腐性和耐候性为研究对象,考察了树脂成膜机理、氨基硅烷用量、紫外光助剂对涂层性能的影响,其中耐温变性和层间附着力是影响涂层应用的关键因素,防腐性和耐候性是影响涂层防护性能的关键因素。结果表明：采用湿固化成膜机理树脂,树脂与氨基硅烷质量比（R/C）为 6∶1且搭配复合紫外光助剂时涂层具有优异的防护性和应用性。     

常温固化氟碳涂料耐老化性能研究

选择了4种氟碳树脂制备常温固化氟碳涂料,进行了物理机械性能测试,通过紫外光-冷凝法对涂层进行了加速老化试验。采用扫描电子显微镜(SEM)、原子力显微扫描电镜(AFM)、傅里叶变换红外光谱(FT-IR)、X-射线能谱仪(EDX)等现代分析手段,结合涂层光泽的测定,对经过不同老化时间的涂层表面微观变化与涂层光泽保持率变化进行了对应性研究。比较了4种氟碳树脂涂料的耐老化性能,并对氟碳树脂耐老化性能进行了理论分析,结果表明:FEVE氟碳涂料具有优异的耐老化性;以更大交替性的醚类单体和位阻型大单体合成的FEVE氟碳树脂具有更优异的耐老化性能。     

四氟型FEVE树脂T_g及相对分子质量分布对PET膜涂层的影响

介绍了四氟型FEVE树脂的制备工艺及性能,研究了树脂的玻璃化温度(Tg)和相对分子质量分布对太阳能背板聚对苯二甲酸乙二醇酯(PET)保护膜涂层性能的影响。通过对PET涂层进行的性能测试表明,该树脂的Tg保持在20~30℃、相对分子质量分布指数(PDI)在4以下时,涂层具有优异的附着性、耐冲击性和硬度等,并且高氟含量保证了涂层良好的耐候性能,能够满足太阳能背板涂层的施工工艺及性能要求。     

冷藏集装箱用彩色涂层钢板表面涂层性能研究

对集装箱用彩色涂层钢板表面涂层的机械性能、耐划伤性能、耐中性盐雾腐蚀性能及抗紫外光老化性能进行实验和测试,综合评价了所选择的氟碳树脂、硅改性聚酯、高耐久聚酯和普通聚酯四种不同类型涂层的性能,对比分析并确定了高耐久聚酯作为综合性能优异且成本相对低廉的基体树脂,能够满足集装箱用彩板对涂层性能的各项要求.     

单组分氟碳船壳漆的研制及配套性研究

采用热塑性氟碳树脂和耐候性能优异的丙烯酸树脂复配，配以耐侯性能优良的颜填料、适当的助剂和溶剂，制备出具有优异的耐侯性和防腐性能的单组分氟碳船壳漆．介绍了船壳漆的基料的筛选，讨论了不同改性树脂、颜填料、不同配套对涂层综合性能的影响．     

聚碳酸酯-聚醚透明聚氨酯弹性树脂与涂层的研究

简述了聚碳酸酯-聚醚透明聚氨酯弹性树脂及涂层的制备工艺和主要性能。着重讨论了聚碳酸酯（PCDL）、交联剂（MTH）、二异氰酸酯结构以及固化剂等因素对透明聚氨酯弹性树脂及涂层性能的影响,采用FTIR、DSC-Tg等方法对树脂的结构和性能进行了分析与表征。结果表明：所得聚氨酯弹性涂层的力学性能好,透明度高,耐水解性、抗热氧化性和耐候性优异。     

水性聚氨酯用脂肪族多异氰酸酯

Rhodia公司发了用于水性体系的新一代脂肪族多异氰酸酯树脂,以满足对安全环保涂料迅速增长的需求。这类产品具有与传统溶剂型多异氰酸酯树脂相似的高性能。其中PhodocoatWT2000系列用于双组分水性体系,降低VOC水平,同时使涂层维持优异的物性,对金属具有优异的粘附力,具有良好的适用期及成膜性能,涂层无气泡。RhodocoatWhlo00系列是一种基于HDI三聚体的封闭型脂肪族多异氰酸酯的单组分水性分散液,它使水性树脂具有优异的柔韧性和耐冲击性能,可与其它交联剂一起改善涂层物性。水性聚氨酯用脂肪族多异氰酸酯@刘益军…     

建筑铝型材用氟碳粉末涂料的制备与性能研究

为了开发出适用性好、性价比高的建筑铝型材用FEVE(氟烯烃-乙烯基醚共聚物)型氟碳粉末涂料,重点分析了不同厂家的氟树脂、不同种类异氰酸酯及颜填料的含量对FEVE型氟碳涂层性能的影响。对比了不同类型耐候性粉末涂料的耐老化性,认为丙烯酸树脂和超耐候羟基树脂比较适合改性氟树脂;进一步对比了这2类树脂改性氟树脂后涂层的性能。结果表明:选用丙烯酸树脂改性氟树脂与自封闭异氰酸酯BF-1540制备FEVE氟碳粉末涂料,颜填料用量为22.5%时所得涂层性能优异,性价比高。     

新型导电胶粘剂的研制及其固化动力学研究

以环氧树脂、增韧剂、活性稀释剂、潜伏性固化剂、导电粒子为主原料,制得了综合性能良好的单组分导电胶粘剂。利用差示扫描量热法（DSC）对该导电胶进行了固化动力学研究,获得了多种动力学参数。     

Dispersion and resistivity optimization of conductive carbon black in environment‐friendly conductive coating based on acrylic resin

A designated chemical structure, determined through the analysis of elements and groups on the surface of conductive carbon black (CB), alcohol‐soluble acrylic resin used for dispersion of conductive CB was successfully prepared based on the principles of similar structure complex well. The content of acrylic acid, glass transition temperature (T_g), molecular weight (M_w), self‐crosslinking degree, and N‐hydroxymethyl acrylamide content were investigated to optimize the electrical conductivity and dispersion effect of conductive CB in coating. The composites of acrylic resin and conductive CB were characterized by X‐ray photoelectron spectroscopy for surface chemical structure on CB, scanning electron microscopy for morphology of conductive coating, Fourier transform infrared for groups in acrylic resin, and digital multimeter techniques for surface resistivity of conductive coating. The optimum surface resistivity of the acquired conductive coating could reach 600 ohm/sq, showing an excellent conductive property. Moreover, the conductive coating still maintained a lower resistivity after salt spray and weather resistance test. POLYM. COMPOS. 36:467–474, 2015. © 2014 Society of Plastics Engineers     

紫外光固化导电胶的老化性能研究

以环氧丙烯酸树脂和聚丙烯酸树脂,铜粉和镀银铜粉制备了四种不同品种的紫外光固化导电胶。对导电胶的耐热老化性能和时间老化性能进行了研究,发现镀银铜粉导电胶的老化性能较好,耐热老化温度可以达到200℃,在60d的老化期内导电性仍在10-4Ω．cm数量级,导电胶性质稳定。     

硅改性BPA-PA酚醛环氧树脂导电胶的合成及性能

以双酚A多聚甲醛酚醛树脂（BPA-PA酚醛树脂）、二甲基二甲氧基硅烷和环氧氯丙烷为原料,通过酯交换反应和亲核取代反应得到硅改性BPA-PA酚醛环氧树脂。采用傅里叶变换红外光谱（FTIR）、X射线光电子能谱（XPS）分析进行结构确证。结合非等温DSC、T-β外推直线和FTIR分析研究了最佳固化工艺条件。探讨了不同硅烷添加量对硅改性BPA-PA酚醛环氧树脂性能的影响。最后以硅改性BPA-PA酚醛环氧树脂为基体树脂,加以导电填料和助剂,制备出中温型导电胶。对导电胶进行拉伸剪切强度、体积电阻率和热重测试分析,结果显示：自制硅改性BPA-PA酚醛环氧树脂导电胶拉伸剪切强度达到20.18MPa、体积电阻率达到7.44×10^-4Ω·cm,残炭量达到68.89%。相对市售E-51环氧树脂所制导电胶,自制硅改性BPA-PA酚醛环氧树脂导电胶拉伸剪切强度提高5.73MPa,体积电阻率降低3.86×10^-4Ω·cm,残炭量提高7.49%。     

浅色水性环氧导静电防腐涂料的研制

研制的水性环氧导静电防腐涂料为双组分涂料,甲组分由水性胺加成物固化剂、导电填料、防锈颜填料及助剂组成;乙组分由环氧树脂E51或OER-95、活性稀释剂、掺杂聚苯胺及偶联剂组成,按环氧/胺当量比为1.1∶1配漆,涂层具有优异的导静电性和防腐蚀性能。     

浅色成品油贮罐内壁环氧聚氨酯导静电涂料的研制

以双酚A型环氧树脂,TDI—TMP聚氨酯加成物固化剂,导电云母等为主要原料制成成品油罐内壁导静电面漆,具有优异的耐酸、碱等化学品腐蚀,耐盐水及盐雾性,特别是耐溶剂性。导静电性稳定,可在低温潮湿环境下施工。     

有机硅硼改性环氧耐高温胶粘剂

采用自制有机硅硼树脂改性双酚A环氧树脂,配合AG-80环氧树脂,改性咪唑为固化剂,得到80～100℃固化的无溶剂耐高温胶粘剂。室温剪切强度大于15MPa,200℃剪切强度大于8Mpa,分析表明,该树脂体系具有优异的耐温性能。200℃／1000h老化具有较高的粘接强度,DSC分析表明,具有良好的热稳定性。扫描电镜分析表明,二元改性体系中存在均匀的“孔洞”结构和微分相,可以减小应力集中和阻止断裂发生,达到增韧效果。     

雷达罩用新型抗静电防腐耐磨涂料的研制

以含氟二元醇树脂、六亚甲基二异氰酸酯缩二脲溶液为原料,二月桂酸二丁基锡为催化剂制备了含氟聚氨酯树脂,并以其为基本成膜物,并掺入耐高温填料二氧化钛,导电填料纳米ATO（掺锑二氧化锡）,聚四氟乙烯微粉,同时加入超分散剂、溶剂等制备了雷达罩用新型抗静电防腐耐磨涂料。该涂料不仅具有优良的抗静电性、弹性及良好的附着力,同时还具有很好的防腐蚀性、耐老化性和耐磨性,是一类新型的多功能涂料。     

Preparation of light color antistatic and anticorrosive waterborne epoxy coating for oil tanks

Utilizing waterborne epoxy resin as a main film-forming material, a kind of light color antistatic and anticorrosive waterborne epoxy coating with volume resistivity of 10⁶ was prepared by adding light color conductive pigments and anticorrosive pigments. The coating has excellent corrosion protective and outstanding decorating properties, which is applicable for the inner coating of oil tank. The effects of the type and the amount of conductive pigments, the film thickness, the curing temperature, and the curing time on the volume resistivity of the film were discussed. The properties of the several kinds of waterborne epoxy resin were compared and the determining of anticorrosive pigments was discussed.     

Thermal conductive composites based on silver‐plating graphite nanosheet and epoxy polymer

Silver plating graphite nanosheet (Ag‐NanoG) prepared by electroless plating method with expanded graphite as starting material is an effective approach to increase thermal conductivity of the filler. Herein, a novel thermal conductive composite was prepared by using Ag‐NanoG as thermal conductive filler and epoxy resin as the polymer matrix. The microstructures of NanoG and Ag‐NanoG were characterized by means of scanning electron microscopy, X‐ray powder diffraction and then the thermal conductivity, impact strength, and thermal stability of the composite were investigated. The results showed that the Ag‐NanoG was successfully obtained and it can be homogeneously dispersed in the epoxy resin. The thermal conductivity of composite increased from 0.328 to 1.847 W/m K with 4 wt% Ag‐NanoG filler content. Moreover, the composite exhibited excellent thermal stability and mechanical property. POLYM. COMPOS., 38:2822–2828, 2017. © 2015 Society of Plastics Engineers