橡胶耐磨.PMMA V045I≌
橡胶耐磨.PMMAV045I≌PA66ˉA3HG5LSPC/1000RPA46TE350PC/302V-6/LDPC/IRE2200PC/WR5210RPA66/RF002XXHPOP美国陶氏1450G1POM/FX-11/PPˉAS23K(W)-01PC3010-30TPU/565APPMMAC910BPP575PTPV5030NHSS美国科腾D1155BPC帝人G-3124BKEVA33-400EPDM697PP/PCGR02PP420HSPA66A30H1V25PCHP9NRPA46基础创新塑料PDX-STN-98026PA6ˉRS6030ATPCˉDFL28PA6/B30SFN40PPGP3202AS(SAN)锦湖335TPOM三菱工程F20PPOZCL-4022FRPPK8005PC/ABS/HR-5006APA6/VE40CEVA/LD319.92PA6/F234-CPC/EXL6414PP/PPPBT中文名称聚对苯二甲酸丁酯,简称饱和聚酯,系高结晶性热可塑性塑料。PBTChinesenameisbutylbutyleneterephthalate,whichiscalledsaturatedpolyester,andisofhighcrystallinitythermoplastics.优点:1、机械性质安定抗张强度与抗张模量和尼龙相似;2、系数小有自润性;3、吸水率低;4、电气性质优良;5、尺寸安定性良好;6、耐性、耐油性。用途:1、电子电器:无熔线断电器、电磁开关、驰返变压器、家电把手、连接器、外壳等;2、汽车:车门把手、杆、分电盘盖、挡泥板、导线护壳、轮圈盖等;3、工业零件:OA风扇、键盘、钓具卷线器、零件、灯罩等。通用随机图片】EVA1、***含量在5%以下的EVA,其主要产品是薄膜、电线电缆、LDPE改性剂、胶粘剂等;2、***含量在5%~10%的EVA产品为弹性薄膜等;3、***含量在20~28%的EVA,主要用于热熔粘合剂和涂层制品;EVA是由LLDPE(线性低密度聚)和醋酸(VA)共聚而成。EVA1,EVAwithethyleneacetatecontentbelow5%,itsmainproductsarefilm,wireandcable,LDPEmodifier,adhesiveandsoon;2,ethyleneacetatecontentin5%~10%EVAproductiselasticfilm,3,ethyleneacetatecontentin20~28%EVA,mainlyusedinhotmeltadhesivesandcoatingproducts;EVAisfromLLDPE(linearlowdensity)Polythene)andaceticacid(VA)copolymerization.LLDPE也是通过化学改性得来的。它是在聚合中引入丁烯、、辛烯等少量的a-烯烃类单体而形成的共聚物。它具有与HDPE类似的分子构型,但了密度和结晶度。LLDPE有良好的耐应力开裂性,其机械性能也优于LDPE,因此,其应用范围也相应地扩大了。而氯化聚(CPE)也是化学改性的产物。LLDPEisalsochemicallymodified.Itisacopolymerformedinethylenepolymerizationbyintroducinga***allamountofa-olefinmonomers,suchasbutene,hexeneandoctene.IthasamolecularconfigurationsimilartoHDPE,butreducesthedensityandcrystallinity.LLDPEhasgoodresistancetoenvironmentalstresscracking,anditsmechanicalpropertiesaresuperiortoLDPE.Therefore,itsapplicationscopehasexpandedcorrespondingly.Chlorinatedpolyethylene(CPE)isalsoaproductofchemicalmodification.HDPE通过氯化后的产物。氯(CL)部分取代HDPE分子中的氢(H),使分子受到结晶性,从而使它更,并有一定的弹性。它不仅可以用挤出或注塑等加工成CPE制品,广泛用于建筑、电器等方面,而且CPE本身成为一种优良的改性剂,可以通过物理共混的PE材料的阻燃性和PVC材料的抗冲击性。HDPEpassestheproductafterchlorination.Chlorine(CL)partiallyreplacesthehydrogen(H)intheHDPEmolecule,causingthemoleculestobedestroyedbycrystallization,itsofterandmoreflexible.ItcannotonlybeprocessedintoCPEproductsbyextrusionorinjectionmolding,butalsowidelyusedinc***tructionandelectricalappliances,andCPEitselfbecomesafinemodifier.ItcanimprovetheflameretardancyofPEmaterialsandtheimpactresistanceofPVCmaterialsbyphysicalblending.)