无纺布应用和制造工艺中文版.pdf
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1、Nonwoven Applications&Processes 无纺布应用和制造工艺无纺布应用和制造工艺 Product Components Technology Micrographs Liner Flap/Spacer Stretch Ear Surge Fastening Outcover Spunbond SMS NBL TABCW PUB SFL Side panel(Waist Elastics)SBL Gowns&Drapes SMS SFL 产品组分内衬垫片拉伸耳冲击紧固外罩侧幅(腰部松紧带)手术服&消毒被单纺粘法纺粘-熔喷-纺粘 复合工艺熔喷法气流成网粘结梳理纤维网PUB粘
2、合剂丁苯胶乳固体膜润滑剂工艺微观图纺粘-熔喷-纺粘 复合工艺固体膜润滑剂Textiles vs Nonwovens 纺织品与纺织品与无纺布无纺布 TRADITIONAL TEXTILES:1)FIBERS TWISTED(SPUN)INTO YARNS 2)YARNS ARE MECHANICALLY INTERTWINED TO PRODUCE A SHEET WITH INHERENT STRENGTH NONWOVENS:1)FIBERS ARE FORMED DIRECTLY INTO SHEETS 2)SHEETS ARE BONDED TO PROVIDE STRENGTH 传统纺
3、织品1)纤维缠绕成纱2)纱线机械性的交织在一起,产生富有内在力的网无纺布1)纤维直接形成纤维片材2)片材粘合形成一定强度的网A.MECHANICALLY FORMED -CARDING(COMBING STAPLE FIBERS)B.WET-FORMED -USES PAPER MAKING TECHNOLOGY C.AIR-FORMED -FILTERING SHOURT FIBERS FROM AIR DISPERSION D.DIRECTLY SPUN -SINGLE STEP FIBER&WEB FORMING -CONTINUOUS FILAMENTS FO THERMOPLASTI
4、C POLYMERS WEB FORMATION 成网A.机械成型-梳棉(精梳短纤维)B.湿法成型-使用造纸技术C.气流成型-空气分布系统过滤超短纤维 D.直接纺纱-纤网一步成型-连续纤维热塑性聚合物A.NEEDLE PUNCHING -ENTANGLE FIBERS TOGETHER C.SPUNLACED(HYDRO-ENTANGLING)-WATER JETS D.LATEX OR RESIN BONDING E.THERMAL BONDING -REQUIRES THERMALPLASTIC COMPONENT WEB BONDING 粘合A.针刺法-将纤维缠绕在一起C.水刺法-水刺头
5、(水射流)D.橡胶或树脂粘合E.热粘合-需要热塑性组件NONWOVEN PROCESSES Why Polyolefin?1-Density (0.9 g/cc)2-Hygiene and Dryness 3-Cost ($1.6/kg,¥10/kg)无纺布工艺为何选择高聚物聚烯烃?1-密度(0.9g/cc)2-卫生 干燥3 -成本(1.6 美元/k g,1 0 元/k g)1.Fiber Opening,Blending 2.Web Formation (carding)3.Web Stabilization (bonding)4.Web Finishing BONDED CARDED WE
6、B(BCW)粘合梳理网粘合梳理网,(热轧热轧,热风热风)1.开棉,混棉2.成网(梳理)3.网加固(粘合)4.后整理opening,blending coarse opening fine opening BCW PROCESS carding raw materials bonding finishing BCW(粘合梳理纤网法)制程开棉,混棉粗开棉精开棉粘合后整理原材料梳理RAW MATERIALS SYNTHETIC Homofiliament polyester,polypropylene polyethylene,rayon nylon,acrylic Bicomponent PE/P
7、P PE/PET PET/PET Sheath/Core Side by Side Homofiliament 原材料合成物单组份纤维-聚酯,聚丙烯-聚乙烯,人造纤维-尼龙,丙烯酸双组分纤维-PE:高聚物聚乙烯-PP:高聚物聚丙烯-PET:聚对苯二甲酸乙二醇酯外壳/核心并排单组份纤维RAW MATERIAL PROPERTIES Staple Length 25,50,75 mm Denier grams/9000 meters 0.5 to 16 normal microdenier 16 Decitex grams/10000 meters 3.0 denier =3.3 decitex
8、原材料性质纤维长度纤度分特(纤维纤度国际单位)g/9000m正差值:0.5-16细旦1粗旦16g/10000m3.0旦尼尔=3.3分特BLENDING The most powerful capability of BCW process+=混棉BCW(粘合梳理纤网法)制程的最大能力Bonded Carded Web(BCW)Process Steps 1.Fiber Preparation 2.Web Formation(carding)3.Web Stabilization (bonding)4.Web Finishing BCW制程步骤1.纤维准备过程2.成网(梳理)3.网加固(粘合)4
9、.后整理CARDING Carding transforms a fiber batt into a continuous web.The card does this by working and stripping the fibers working stripping Typical Carding Action 梳理梳理过程将零散的纤维絮整合为连续的网,该过程由梳棉机不断工作和剥取来实现。工作剥取典型梳棉行为STEP 3 WEB STABILIZATION Mechanical Hydroentangle,ultrasonic,needlepunch,stitchbond Chemi
10、cal Saturation,spray,print,foam,powder Thermal calender,(TBCW)through air(TABCW)第3步 网加固机械性过程水刺,超声波针刺,针脚式接合化学性过程饱和度,喷雾印刷,起泡,撒粉热力学过程压延成型热风法STEP 4 WEB FINISHING Winding Slitting Spooling 第4步 后整理缠绕切割络筒Airlaid Process (空气铺网,无塵纸)Pulp Fiber Thermal Binder Fiber Bonding Oven Forming Heads Calender Roll Form
11、ing wire/Vacuum Oven wire 纸浆纤维热粘合纤维成型封头焊炉压辊线料成型/真空烤箱线束Types of Airlaid Multibond-Latex/Thermal Thermal bond core with latex bond exterior Positives Allows for high BW latex bond material Reduces linting of thermal bond materials Prevents SAP fallout Cross Section 气流类型横截面有胶乳结合外层的热粘合核心多重粘合-胶乳/热粘合高对接焊胶
12、乳粘合材料适用减少热粘合材料的纤维脱落优点防止超级吸水聚合物沉降Material Properties Uniformity High absorbency High mechanical integrity-x,y,z Structural stability-pore level High wettability High wet integrity High abrasion resistance-Latex bonded 材料性能均一性高吸收能力优良的力学性能-x,y,z结构稳定-孔隙级高润湿性高润湿完全性高抗磨损性-胶乳粘合Technology Options Flexibility
13、 to make layered absorbent components 3 2 Pulp Binder SAF Pulp Binder Synthetic Pulp Binder 1 Pulp Rich Layer Synthetic Rich Layer SAP Rich Layer 技术选择利用其柔顺性制造分层吸水组件纸浆粘合剂纸浆粘合剂高分子吸水纤维合成纸浆粘合剂纸浆富裕层合成富裕层超级吸水聚合物富裕层Spunbond Process(纺粘纺粘)Dryer Blending Station Receiver Mixer Hopper Extruder Spin Beam Slitte
14、r/Winder Finishing Calender Webformer Bank 1 Bank 2 干燥后整理混棉区接收器混合器料斗纺丝箱挤压机经纱架1经纱架2纵断器/络筒机热轧机成网机Polymer Pellets Extruder Filter Spin Pump Spin Pack Polymer Processing Heating/Cooling Hopper/Dryer T P 料斗/干燥机加热/冷却过滤器纺纱泵聚合物颗粒机挤压机纺纱组件聚合物制程Spunbond Spinning Quench Air System Fiber Draw Unit(FDU)Fume Exhau
15、st 纺粘法纺丝排烟装置淬火空气系统拉丝台Lurgi Process(Traditional)Spreaders Guide Tubes Guns Quench Air Fume Exhaust Webformer Spin Beam 传统鲁奇(加压煤气化)法工艺纺丝箱排烟装置空气淬火成网导管分离机纤维枪LDS(Linear Draw System)Process(KCC,Reifenhauser)Fume Exhaust Spin Beam Deflector Webformer Quench Air 线性拉伸系统工艺空气淬火纺丝箱排烟装置成网导向装置Bonding Definitions
16、Types of Thermal Bonding Calender Pattern Bond Ultrasonic Bonding Through-Hot-Air Bonding 粘合定义热粘合的类型热轧粘合超声粘合 热风粘合BOND PICTURED 粘合图示BONDING PATTERNS Designed With End Product In Mind Number,Arrangement,And Size Of Pins Determines Product Attributes Trend Is Toward Lower%Bonded Area 10-20%Range Brand
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