欧洲一区二区视频,先锋影音日韩,老司机精品福利在线观看

<abbr id="qgkqa"></abbr>

Vacuum Infusion Thermoplastic Composites for Natural Fiber Fabric Reinforced Anionic Polyamide-6

資料類型：

PDF文件

關鍵詞：

vacuum infusion process anionic polyae-6 natural fiber
fabric performance

資料大小：

108K

所屬學科：

分子表征

來源：

第六屆亞歐研討會上處理和性能增強聚合物會議文集（2013.6.2-6 武漢）

簡介：

Inordertomanufacturelarger,thicker,morehomogeneousandcomplicatedthermoplasticcompositesthancurrentlycanbeachievedbymeltprocessing,avacuuminfusionprocessiscurrentlybeingdevelopedusingareactivethermoplasticpolymercalledanionicpolyamide-6(APA-6).Inpreviousstudiesitwasprovedthattheanionicpolyamide-6(APA-6)resinthatisusedhasexcellentmechanicalproperties.Naturalfiber,asakindoflowcost,lightweight,highspecificstrengthandstiffness,andnaturaldegradationofenvironment-friendlymaterial,usedinreinforcedcompositesiswidelyconcerned.However,nonaturalfiberreinforcedreactivethermoplasticpolymergradeshavebeenpreparedsofar.ThemainreasonistheapparentlypolymerizedbarrierbetweennaturalfiberandtheAPA-6,whichresultsinincompletepolymerizationwhenputtogether.Firstly,thereactionmechanisminthein-situpolymerizationprocessofnaturalfiber-reinforcedAPA-6wasdiscussedbycastingprocess.ItwasshownthatthelargenumberofhighlyreactivehydroxylonthesurfaceofnaturalfiberproducedaseriousbarriertoAPA-6,andthefiberbecamedarkbrown.Inordertosolvetheproblem,amethodwasadoptedbyusingalow-activityinitiatorcalledcaprolactammagnesiumbromide,whichhadinertreactivityandweaklyalkaline,limitedthereactionwiththehydroxylgroupsonthecellulose.Itwouldreducetheconsumptionoftheinitiator.Thustheinhibitorrolehasbeensignificantlyimproved.Thenasuitablemorphologicalstructureoffiberfabricwasselectedtoyieldintegratedcompositeswithanaveragethicknessof2.5mmandafiberweightcontentof40%byvacuuminfusionprocess.Thesoxhletextractionanddifferentialscanningcalorimeter(DSC）measurementsrespectivelysuggestedthedegreeofconversionandcrystallizationofcompositeswashigher.RemarkableimprovementofmechanicalpropertieswasachievedforAPA-6/naturalfibercompositesthroughdynamicmechanicalanalysis(DMA)andthree-pointbendingtest.Favorableinterfacialadhesionandwettabilitywererevealedbyscanningelectronmicroscopy(SEM)observation.

作者：

Z. Kan,P. Chen, M. B. Yang

上傳時間：

2013-07-02 15:46:22

下載次數：

消耗積分：

立即下載：

好

1人

中

1人

差

1人

友情提示：下載后對該資源進行評論，即可獎勵2分。

報告錯誤：

1.下載無效　 2. 資料明顯無價值　 3. 資料重復存在

相關評論 共有0人發表評論

更多評論

你還沒有登錄，無法發表評論，請首先

免責聲明：本站部分資源由網友推薦，來自互聯網，版權屬于原版權人，如果不慎侵犯到您的權利，敬請告知，我們會在第一時間撤除。本站中各網友的評論只代表其個人觀點，不代表本站同意其觀點。

最新上傳資料
·	電紡納米纖維增強聚合物復合材料...
·	超高相對分子質量聚乙烯的研究進...
·	吸油樹脂的研究進展
·	雙酚A二縮水甘油醚的合成
·	間戊二烯-苯乙烯共聚物的合成
·	用負載型鈦系催化劑制備的乙丙共...
·	Simulation of Fiber Orientati...
·	Advances in Ordered Polymer-b...
·	Construction of Dual Stimuli...
·	Small Amount of Functionalize...
·	Multi-scale Linear Low-nsity ...
·	Magnetic iron oxide (Fe3O4) ...
·	Surfactant Free C02-in-Water ...
更多>>

熱點資料
·	Electroactive Responsive Shap...
·	Novel Method for Silver Nanow...
·	Construction of Dual Stimuli...
·	Simulation of Fiber Orientati...
·	吸油樹脂的研究進展
·	超高相對分子質量聚乙烯的研究進...
·	Electrospun Nanocomposite fro...
·	Structural Aspects of Polymer...
·	Unidirectional Natural Fibre ...
·	Study on Structure and Proper...
·	Multiaxial Fatigue Behaviour ...
·	Actuation and Shape SMP/CNTs...
·	Advances in Polymer Nanocompo...
更多>>

相關資料
·	Preparation and Representatio...
·	Reseaches on Pivotal Technolo...
·	Progress on High Performance ...
·	Simulation of Fiber Orientati...
·	Thermal Processing and Glass ...
·	The Fracture Behavior and Tou...
·	Surface Modification of UHl\t...
更多>>

国内精品国产三级国产在线专_欧美日韩在线播放一区二区_成人xxxx视频_欧美激情视频一区_色女人综合av_久久久亚洲影院_久久久久久九九_成人免费网站在线_日韩美女毛茸茸_狠狠干一区二区