Performance Study Of Carbon Nanotubes Modified PF Resin

Phenolic resin with its good weathering resistance， water resistance， heat resistance andadhesion strength of higher characteristics， in the timber industry floor production， furnitureboard production， fire prevention board， as well as the paint， friction materials， insulationmaterials， the mold plastic etc widely application. The subject of the synthesis of carbonnanotubes modified phenolic resin is a kind of high strength， good resistance to water， curinglow temperature (120℃or so). Carbon nanotubes modified PF resin both PF resin for both theadvantage: high strength，water resistance，heat resistance of advantages，and joined the carbonnanotubes higher resistance to high temperature， high strength， high strength showed， for thewood products free of pollution， and easy to process， cost moderate， carbon nanotubesmodified PF production has the broad prospect.The present study of carbon nanotubes modified PF resin synthesis and properties to oneconclusion:(1)Through the of carbon nanotubes modified PF resin adhesive and pure PF resin curingadhesive and Fourier infrared spectral analysis， draw and modified resin in curing before andafter the change is not very big， explain carbon nanotubes and no and resin pronounced theingredients in chemical reaction;(2) Through the modification PF resin and the poor heat scanning DSC curve analysis of theMPF resin curing behavior and curing dynamics research. Results indicated that:①The T-β extrapolation get carbon nanotubes modified PF resin beginning peaktemperature (Ti) is106.4℃， the summit temperature (Tp) is118.2℃and peak endtemperature (Tf) is157.6℃. Carbon nanotubes modified PF resin is a kind of glue in curingtemperature， about120℃in curing.②. The isothermal samples of the results of the study show that: carbon nanotubes modifiedPF resin curing system of the apparent activation energy of111.094kJ/mol， frequency factor for9.56x10-5s-1and reaction series of0.965， and the cure kinetic equation for d α (t)/dt=9.56x10-5(1-alpha0.965exp (111.094/RTP). ⑶Use tapered calorimeter modified PF resin study the bamboo filament forming materials(BSFM) combustion performance， the results are as follows.①According to the calculation equation of the apparent activation combustion reaction Ea=27.49KJ. mol-1， pure PF resin BSFM apparent activation energy of the Ea=12.89KJ. mol-1，we can see that the carbon nanotubes modified PF resin is pure PF resin BSFM BSFM apparentactivation energy of the2times more.②. The result is burning dynamics and different BSFM the flame retardant performance ofthe contrast of result is consistent. Carbon nanotubes modified PF resin BSFM of flame retardantperformance of frequency of pure PF resin BSFM retarding properties.(4)Through the different levels of carbon nanotubes modified PF resin and modified PF resinmodified different groups of the bamboo filament forming the mechanical properties of thematerial and different temperatures of the three layer under the aspen plywood hood strength，analyzes the results are as follows:①From different content (0%，0.5%，1%，2%，3%，4%) carbon nanotubes modifiedPF resin bamboo filament restructuring， performances can see: static music intensity， elasticmodulus， inside combinative strength， boiled inflation rate， hood strength as the carbonnanotubes increases while the content.②Different modification from groups (COOH， OH) of carbon nanotubes bamboo filamentrestructuring， performances see: the modification of board COOH groups of the mechanicsproperties of the groups than OH influence. The carbon nanotubes COOH modified PF resinquartile OH carbon nanotubes with the modified PF resin modified frequency of the groups PFresin without quartile pure PF resin③From three layers of the aspen plywood agglutination performance: carbon nanotubesmodified PF resin in120℃show the higher after the hood strength.