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塑料特性應(yīng)用培訓(xùn)資料-在線瀏覽

2025-08-14 08:56本頁面
  

【正文】 好,吸水性小、摩擦系數(shù)小,有很好的耐化學(xué)藥品能力,性能不亞于尼龍,但價(jià)格較低,缺點(diǎn)是加熱易分解,成型比尼龍困難可用作軸承、齒輪、凸輪、閥門、管道螺帽、泵葉輪、車身底盤的小部件、汽車儀表板、汽化器、箱體、容器、桿件以及噴霧器的各種代銅零件聚甲基丙烯酸酯PMMA聚對苯二甲酸丁二醇酯PBT聚酰胺6PA6疲勞強(qiáng)度和剛性較高,耐熱性較好,摩擦系數(shù)低,耐磨性好,但吸濕性大,尺寸穩(wěn)定性不夠適用于中等載荷、使用溫度≤100~120℃、無潤滑或少潤滑條件下工作的耐磨受力傳動(dòng)零件聚酰胺66PA66疲勞強(qiáng)度和剛性較高,耐熱性較好,摩擦系數(shù)低,耐磨性好,但吸濕性大,尺寸穩(wěn)定性不夠適用于中等載荷、使用溫度≤100~120℃、無潤滑或少潤滑條件下工作的耐磨受力傳動(dòng)零件聚碳酸脂PC具有突出的沖擊韌性和抗蠕變性能,有很高的耐熱性,耐寒性也很好,脆化溫度達(dá)100℃,抗彎抗拉強(qiáng)度與尼龍相當(dāng),并有較高的延伸率和彈性模數(shù),但疲勞強(qiáng)度小于尼龍66,吸水性較低,收縮率小,尺寸穩(wěn)定性好,耐磨性與尼龍相當(dāng),并有一定的抗腐蝕能力。低密度聚乙烯LDPE聚對苯二甲酸乙二醇酯PET酚醛塑料PF機(jī)械性能很高,剛性大,冷流性小,耐熱性很高(100℃以上),在水潤滑下摩擦系數(shù)極低(~),PV值很高,有良好的電性能和抵抗酸堿侵蝕的能力,不易因溫度和濕度的變化而變形,成型簡便,價(jià)格低廉。缺點(diǎn)是使用溫度低(在60℃以下),線膨脹系數(shù)大,成型加工性不良。塑料特性應(yīng)用塑料名稱代號特性應(yīng)用聚丙烯PP是最輕的塑料之一,其屈服、拉伸、壓縮強(qiáng)度和硬度均優(yōu)于低壓聚乙烯,有很突出的剛性,高溫(90℃)抗應(yīng)力松弛性能良好,耐熱性能較好,可在100℃以上使用,如無外力150℃也不變形,除濃硫酸、濃硝酸外,在許多介質(zhì)中很穩(wěn)定,低分子量的脂肪烴、芳香烴、氯化烴,對它有軟化和溶脹作用,幾乎不吸水,高頻電性能不好,成型容易,但收縮率大,低溫呈脆性,耐磨性不高。作一般結(jié)構(gòu)零件,作耐腐蝕化工設(shè)備和受熱的電氣絕緣零件高密度聚乙烯HDPE聚苯乙烯PS聚氯乙烯PVC機(jī)械強(qiáng)度較高,化學(xué)穩(wěn)定性及介電性能優(yōu)良,耐油性及抗老化性能也較好,易熔接及粘合,價(jià)格較低。制品有管、棒、板、焊條及管件,除作日常生活用品外,主要用作耐磨蝕的結(jié)構(gòu)材料或設(shè)備襯里材料(代替有色合金、不銹鋼和橡膠)及電氣絕緣材料。缺點(diǎn)是性質(zhì)較脆、色調(diào)有限、耐旋光性差,耐電弧性較小,不耐強(qiáng)氧化性酸的腐蝕常用的為層壓酚醛塑料和粉末狀壓塑料,有板材、管材及棒材等。缺點(diǎn)是成型條件要求較高可用作各種齒輪、蝸輪、齒條、凸輪、軸承、心軸、滑輪、傳動(dòng)鏈、螺帽、墊圈、泵葉輪、燈罩、容器、外殼、蓋板等聚乙烯PE具有優(yōu)良的介電性能、耐沖擊、耐水性好,化學(xué)穩(wěn)定性高,使用溫度可達(dá)80~100℃,摩擦性能和耐寒性好。用作一般電纜的包皮,耐腐蝕的管道、閥、泵的結(jié)構(gòu)零件,亦可噴涂于金屬表面,作為耐磨、減磨及防腐蝕涂層。csprChorosulfonated polyethylene氯磺化聚乙烯CTACellulose triacetate三乙酸纖維素DMCDough moulding tompound圈狀模塑料E/PEthylene propylene copolymer乙烯一丙烯共聚物CAMPRElastomer alloy melt processable rubber彈性體合金一可熔融成型橡膠EATPVElastomer alloy thermoplastic vulcanizate彈性體合金一熱塑性硫化料ECEthylene cellulose乙基纖維素EEAEthylene ethylacrylate copolymer乙烯一丙烯酸乙酯共聚物EPEpoxide or epoxy(cured)環(huán)氧樹脂EPDMEthylene propylene diene terpolymer乙丙三元共聚物EPSExpandable polystyrene可發(fā)性聚苯乙烯ETFEEthylene/tetrafluoroethylene乙烯一四氟乙烯共聚物EVAEthylene vinyl accetate copolymer乙烯一乙酸乙烯酯共聚物EVAL/EVOHEthylene vinyl alcohol copolymer乙烯一乙烯醇共聚物FEPFluorinated ethylene propylene(TFEHEP)四氟乙烯一六氟丙烯共聚物GPMCGranular polyester moulding pound粒狀聚酯模塑料HDPEHigh density ployethylene(PEHD)高密度聚乙烯HIPSHigh impact polystyrene(TPS or IPS)高抗沖聚苯乙烯HMWPEHigh molecular weight polyethylene高分子量聚乙烯LCPLiquid crystal polymer液晶聚合物L(fēng)DPELow Density polyethylene(PELD)低密度聚乙烯LLDPELinear low density polyethylene線型低密度聚乙烯MBSMethyl methacrylatebutadiemstyrene copolymer甲基丙烯酸甲酯一丁二烯一苯乙烯共聚物MCMethyl cellutose甲基纖維素MDPEMedium density polyethylene(PE MD)中密度聚乙烯MFMelamine formaldehyde三聚氰胺一甲醛樹脂MPFMelamine phenol formaldehyde resin三聚氰胺一酚甲醛樹脂NCNitroncellulose硝基纖維素PAPolyamide or nylon聚酰胺(尼龍)PA6Polyamide 6 or nylon 6尼龍6PA11Polyamide 11 or nylon 11尼龍11PA12Polyamide 12 or nylon 12尼龍12PA46Polyamide 46 or nylon 46尼龍46PA66Polyamide 66 or nylon 66尼龍66PA610Polyamide 610 or nylon 610尼龍610PAAPolyacrylic acid聚丙烯酸PAA6Polyaryl amide or,polymxyleneadipamide(PA MXD6)聚芳酰胺PANPolyacrylonitrile聚丙烯腈PBPolybutene1聚丁烯1PBIPolybenzimidazole聚苯并咪唑PBTPolybutylene terephthalate聚對苯二甲酸丁二醇酯PCPolycarbonate聚碳酸脂(防彈膠)PCTFEPolychlorotrifluorethylene聚三氟氯乙烯PDAPPolydiallyl phthalate聚鄰苯二酸二烯丙酯PEPolyethylene聚乙烯PEBAPolyether block amide酯一酰嵌段共聚物PECChorinated polyethlene (see CPE)氯化聚乙烯PEEKPolyether ether ketone聚醚醚酮PEELPolyether ester(YPBO)聚醚脂PEIPolyether imide聚醚酰亞膠PEKPolyether ketone聚醚酮PEKKPolyethylene ketone ketone聚醚酮酮PEOXPolyetylene(oxlde)聚氧化乙烯PESPolyether sulphone聚醚砜PETPolyethylene terephthalate聚對苯二甲酸乙二醇酯PETP(see PET)PFPhenol formaldehyde resin酚醛樹脂PIPolyimide聚酰亞胺PMCPolyester moulding pound聚酯模塑料PMCAPolymethy αchloacrylate聚α氯化丙烯酸甲酯PMIPolymethacrylimide聚甲基丙烯酰亞胺PMMAPolymethyl methacrylate(acrylic)聚甲基丙烯酸甲酯PMMATToughened acrylic增靱聚丙烯酸酯POPolyolefine聚烯烴POMPolyoxymethylene or,acetal or polyformaldehyde聚甲醛POMCOAcetal copolymer聚甲醛共聚物POMHAcetal homopolymer聚甲醛均聚物PPpolypropylene聚丙烯PPCChlorinated polypropylene氯化聚丙烯PPEPolyphenylene ether(ss PPO)聚苯醚PPOPolyphenylene oxideusually modified聚苯醚PPOXPolypropylene oxide聚氧化丙烯PPSPolyphenylene sulphide聚苯硫醚PPSUPolyethylene sulfone聚苯砜PPVCPlasticised polyvinyl chloride(PVCP)增塑聚氯乙烯PSPolystyrene(GPPS)聚苯乙烯PSUPolysulphone聚砜樹脂PTFEPolytetyafluoroethylene聚四氟乙烯PUHard polyurethane elastomer硬聚氨脂彈性體PURPolyurethane聚氨脂PVACPolyvinylacetate聚乙酸乙烯脂PVALPolyvinylalcohol聚乙烯醇PVBPolyvinylbutyral聚乙烯醇縮丁醛PVCPolyvinyl chloride聚氯乙烯PVCCChlorinated polyvinyl chloride氯化聚氯乙烯PVDCPolyvinylidene chloride聚偏二氯乙烯PVDFPolyvinylidene fluoride聚偏二氟乙烯PVFPolyvinyl fluorde聚氟乙烯PVFMPolyvinylformal聚乙烯醇縮甲醛PVKPolyvinyl carbazole聚乙烯基咔唑PVPPolyvinyl pyrrolidone聚乙烯吡咯烷酮SANStyrene acrylonitrile copolymer苯乙烯一丙烯腈共聚物(透明大力膠)SBSStyrene butadiene styrene block copolymer苯乙烯一丁二一苯乙烯嵌共聚物SEBSStyrene butadiene styrene block copolymer(saturated)苯乙烯一丁二烯一苯乙烯嵌共聚物(胞和)SISilicone聚硅氧烷SMAStyrene_maleic anhydride copolymer苯乙烯一馬來酐共聚物SMCSheet moulding pound片狀摸塑料SMSStyrene_methylstyrene copolymer苯乙烯一甲基苯乙共聚物TPEEThermoplastic elastomereither ester醚酯類熱塑性彈性體TPEPDMThermoplastic elastomerbased on EPDM三元乙丙橡膠類熱塑性彈性體TPEVAThermoplastic elastomerbaged on EVA乙烯乙酸酯共聚物類熱塑性彈性體TPNBRThermoplastic elastomerbased on NBR丁腈橡膠類熱塑性彈性體TPEThermoplastic elastomer rubber熱塑性彈性體TPOThermoplastic polyolefin熱塑性聚烯烴TPOXLThermoplastic polyolefin rubbercrosslinked(rubber)交聯(lián)熱塑性聚烯烴橡膠TPRThermoplastic rubber(etaslomer)熱塑性橡膠TPUThermoplastic polyurethance熱塑性聚氧脂TPVThermoplastic elastomer or rubbercrosslinked(rubber)交聯(lián)熱塑性彈性體或橡膠UFUrea formaldehyde脲醛樹脂UHMWPEUltrahigh molecular weight polyethylene超高分子量聚乙烯UPUnseturated polyester resin不胞和聚脂樹脂UPVCUnplasticsed polychloride末增塑聚氧乙烯VC/EVinylchloride eth
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