SMART MATERTECH
  • HOME
  • SHAPE MEMORY MATERIALS/TECHNOLOGY
    • Shape memory alloys >
      • Shape memory alloy actuators
      • Grains and deformation
      • SMA suppliers
    • Shape memory polymers >
      • Thermo-responsive >
        • Heating-responsive >
          • Thermo-plastic elastic SMP >
            • Body/room temperature programmable
          • Thermoset elastic SMP >
            • Body/room temperature programmable
          • Tailoring Tg of polymers via alloying
          • Vitrimer
          • 3D printing filaments
          • Show time
          • Body-temperature programmable elastic shape memory materials: a brief history
        • Cooling-responsive >
          • Cooling-responsive shape memory materials: a brief history
      • Chemo-responsive >
        • Electrospinning: fundametals
        • Natural biopolymers
        • Water-responsive SME: a brief history
      • Hydrogel
      • Simulation of SMP
    • Shape memory hybrids >
      • Electro-activated shape memory hybrid
      • SMHs: tailorable properties
      • Shape memory hybrids: a brief history
    • Triple/multiple SME
    • Reversible/shape change effect
    • Programming conditions
    • Temperature memory effect in DSC
    • Buckling 失稳
    • Constrained recovery of 2way EVA
    • Shape memory structures
    • Shape memory composites
    • Intro. & Refs. >
      • SME in commercial polymers
      • SMM introduction videos
      • PMMA (acrylic)
  • DIY
    • Laser engraving and beyond
    • DIY (step-by-step) to protect power charge cable 自制充电线接头保护层
    • DIY SMP screw 自制形状记忆螺丝
    • DIY shape memory foam 自制形状记忆海绵
    • DIY shape memory shoes 自制形状记忆鞋
    • Modifying superelastic Nitinol 超弹镍钛记忆合金改性
    • Goggles
    • Temple Tip Retainers /眼镜防滑钩
    • Nose pads
    • 硅胶+TPU样品制作 搅拌流程
    • Unlock smart phones
  • PROJECTS
    • Biomedical applications 生物医疗应用 >
      • Self-tightening band aid 自收缩创可贴
      • Self-tightening staple 自收缩手术钉
      • Shape memory plug 形状记忆栓塞
      • Artificial blood vessels
      • Comfort fitting 舒适贴合 >
        • Shape memory shoes 形状记忆鞋
        • Wrist rings/rings
        • Mask口罩 >
          • DIY口罩扣松紧器
          • Mask holder 口罩支架
          • Improved fitting
          • Comfort fitting "invisible" mask 舒适贴合“隐形”口罩 >
            • Animation (mask)
        • Facial mask (面膜)
      • Retractable 可收回
      • Wrinkle removal 除皱
    • SMA devices 形状记忆合金器件 >
      • Buttons-on-demand 按需按钮
      • Sunlight activated heat engine 阳光驱动的热机
      • Adjustable high heel 可调高跟鞋
      • SMA inchworm 形状记忆合金驱动的竹节虫
      • Rolling car 滚动车
      • SMA springs
      • Gripper
    • SMP applications >
      • 4D latte art 4D 拉花 >
        • Spinning 4D latte art
      • Re-writable Braille paper 可复写盲文纸
      • Surface patterning
      • 2D to 3D switching
      • Ear impression/plugs
    • Metals/polymers >
      • Smart manufacturing
      • Powerless cooling
      • Self-healing
      • Sensors 传感器 >
        • Temperature sensors 温度标签
        • Anti-counterfeit labels 防伪标签
      • Vertical gardening 垂直绿化 >
        • 盆景 >
          • In Singapore
        • Products 产品 >
          • Event sponsorship
        • Projects 项目 >
          • A project in Guangzhou (2022)
          • 2nd Project in Guangzhou
          • 3rd Project in Singapore
        • Water on-demand irrigation system
        • Vertical greening panel (2nd type)
        • 2nd type of foam
      • Wearable electronics 可穿戴电子设备
      • Controlled folding/unfolding 可控展开/折叠 >
        • Folding (multiple layered)
        • Reshape & reprogram
      • Active disassembly 自拆卸
      • Morphing wing 变翼
      • Magnetic circuit design
    • Solid state UV cross-linking >
      • Solid-state heating cross-linking
    • Additive manufacturing增材制造 >
      • 3D/4D printing 打印
      • Rapid 3D printing in solid state 快速固态3D打印 >
        • Rapid volumetric additive manufacturing in solid-state: hydrogels
        • UV cross-linkable vitrimer 2022
        • UV cross-linking of solid material
        • UV cross-linking machine
        • Solid-state VAM (3D)
        • SVAM: A brief history
        • Review of Solid state VAM by AI
      • New ways of additive manufacturing (animation)
      • UV-FDM printer
      • Cooling-responsive shape memory hydrogel via FDM
      • 3D fashion >
        • Formation of 3D structures
    • Shape capture
    • Surface capture >
      • Surface pattern for structural coloring
  • Store room
    • References/tools >
      • 3D models >
        • More STL models
        • 生肖
        • 3D printing service
      • Sample dimensions for tensile test
      • Temperature calibration
      • Toolbox工具箱
      • Toolbox II (工具箱 II)
    • Jungle >
      • About polymers >
        • Thermally reversible solid-liquid transition
        • Cyclic loading
        • Mullins effect
        • Photoelsticity 光弹
        • Shear-thickening 剪切增强 >
          • 4 CNA
        • Closed to open cell foams
        • Laser induced graphene
        • Electrospinning
        • Nano imprinting
        • Gel 凝胶 >
          • Instability in wetting of hydrogel
          • Electroactive gel电活性凝胶
        • Cellulose 纤维素
        • Plastic bottle 塑料瓶
        • Polymer recycling
        • Rapid swelling 快速溶胀
        • Rapid hardening in water
        • Patterns
        • Brittle-ductile transition
        • Tan delta >
          • Re-programmable Tan delta
        • UV cross-linking
        • Hardening speed
      • Coloring 变色 >
        • Structural coloring atop curved surfaces
        • Thermochromic 热致变色
        • Photochromic 光致变色
        • Stress induced color change力致变色 >
          • Patterned coloring via stretching 拉出色彩
      • Moire interference 莫尔干涉
      • Lenticular lens
      • Transformation front
      • Contact angle vs surface pattern
      • Laser: applications
      • Insects 昆虫
      • Structural engineer >
        • Static and Dynamic Balancing
        • Introduction videos
        • Bistable structures: a case study >
          • 3D printing of bistable structures
          • Step-wise morphing
        • Yield criterion >
          • Normalized yield surface via GPU
          • Yield surface of SMAs and beyond
        • Buckling of embedded threads
        • Buckling of embedded strip
        • Buckling of strip atop soft substrate
        • Foam structures for packaging
      • Interesting >
        • Exhibition
        • Ideas
      • Experimental >
        • Tensile test
        • Differential Scanning Calorimetry (DSC) Procedure
        • Dynamic Mechanical Analysis (DMA) Procedure
        • Shape Memory Performance Characterization Procedure for Shape Memory Polymers
      • ChatGPT 4 fun
      • 智谱测试
  • Contact
    • SMM course
    • Representative publications
    • Projects of undergraduate students
    • List of videos
    • Special issues| Conferences
    • Companies
    • References

3D printing filaments

ABS, PLA, PU, PE/elastic, color change

​(FYP) Lim JY
Comparison of commercial elastic filaments (normalized)
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After a couple of years (depending on the environment), PCL becomes very brittle (degradation).
PCL (3D printing pen "printed")
Left: without heating; right: heated by the Sun.

PLA filament, after a number of years

Flx filament (RoHS), after a number of years

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Dissolvable in acetone, elastic
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​SME in 3D printed glasses frame (DLP)

Filaments we used are from
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​深圳光华伟业(eSUN易生)多款3D打印材料
​eSUN 4D Filament e4D-1​

轻质PLA(ePLA-LW)
Shape memory effect
​专为航模开发的一款材料,层间结合稳定,发泡率与强度可以通过调整打印温度来控制。采用主动发泡技术实现轻质、低密度的PLA零件,发泡体积倍率220%,密度低至0.54g/cm³。
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TPU轻质(TPU-LW)

​已上线易生天猫旗舰店!作为一款柔性发泡材料,其打印模型具备重量大幅减轻、软硬随心调、高回弹性等特点,可适用于航模、船模、柔性穿戴及COSPLAY等领域创作。
​这款TPU轻质材料能在打印过程中发泡,通过调节打印温度和打印速度可以改变材料的发泡程度,发泡体积倍率最大可达200%
​通过调节TPU-LW的打印温度和打印速度可以改变该线材的发泡程度,不同的发泡比例下,打印模型的硬度也有所不同,硬度范围约为93A-77A
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(FYP) Liaw LW
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​江苏苏州材料厂商FusRock的FusFlex™ TPU-Aero。这是一款专为 FFF 打印技术研发的中等硬度、活性发泡柔性材料,通过控制打印温度,可实现不同的挤出发泡倍率,从而实现不同的减重和柔软效果。FusFlex™ TPU-Aero 打印部件的表面硬度可控制在65A 至85A 之间。在最大发泡倍率下,相较于普通TPU 材料可减重50%,且打印表面呈现出优异的织物质感。
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Specifics
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Typical stress vs. strain relationship of original filament upon stretching at room temperature at 10^(-3)/s.
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​Shape recovery ratio vs. maximum programming strain (@90°C ). Shape fixity ratio is always about 100%.

​Flexfill TPU 98A "Luminous Green"

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  • HOME
  • SHAPE MEMORY MATERIALS/TECHNOLOGY
    • Shape memory alloys >
      • Shape memory alloy actuators
      • Grains and deformation
      • SMA suppliers
    • Shape memory polymers >
      • Thermo-responsive >
        • Heating-responsive >
          • Thermo-plastic elastic SMP >
            • Body/room temperature programmable
          • Thermoset elastic SMP >
            • Body/room temperature programmable
          • Tailoring Tg of polymers via alloying
          • Vitrimer
          • 3D printing filaments
          • Show time
          • Body-temperature programmable elastic shape memory materials: a brief history
        • Cooling-responsive >
          • Cooling-responsive shape memory materials: a brief history
      • Chemo-responsive >
        • Electrospinning: fundametals
        • Natural biopolymers
        • Water-responsive SME: a brief history
      • Hydrogel
      • Simulation of SMP
    • Shape memory hybrids >
      • Electro-activated shape memory hybrid
      • SMHs: tailorable properties
      • Shape memory hybrids: a brief history
    • Triple/multiple SME
    • Reversible/shape change effect
    • Programming conditions
    • Temperature memory effect in DSC
    • Buckling 失稳
    • Constrained recovery of 2way EVA
    • Shape memory structures
    • Shape memory composites
    • Intro. & Refs. >
      • SME in commercial polymers
      • SMM introduction videos
      • PMMA (acrylic)
  • DIY
    • Laser engraving and beyond
    • DIY (step-by-step) to protect power charge cable 自制充电线接头保护层
    • DIY SMP screw 自制形状记忆螺丝
    • DIY shape memory foam 自制形状记忆海绵
    • DIY shape memory shoes 自制形状记忆鞋
    • Modifying superelastic Nitinol 超弹镍钛记忆合金改性
    • Goggles
    • Temple Tip Retainers /眼镜防滑钩
    • Nose pads
    • 硅胶+TPU样品制作 搅拌流程
    • Unlock smart phones
  • PROJECTS
    • Biomedical applications 生物医疗应用 >
      • Self-tightening band aid 自收缩创可贴
      • Self-tightening staple 自收缩手术钉
      • Shape memory plug 形状记忆栓塞
      • Artificial blood vessels
      • Comfort fitting 舒适贴合 >
        • Shape memory shoes 形状记忆鞋
        • Wrist rings/rings
        • Mask口罩 >
          • DIY口罩扣松紧器
          • Mask holder 口罩支架
          • Improved fitting
          • Comfort fitting "invisible" mask 舒适贴合“隐形”口罩 >
            • Animation (mask)
        • Facial mask (面膜)
      • Retractable 可收回
      • Wrinkle removal 除皱
    • SMA devices 形状记忆合金器件 >
      • Buttons-on-demand 按需按钮
      • Sunlight activated heat engine 阳光驱动的热机
      • Adjustable high heel 可调高跟鞋
      • SMA inchworm 形状记忆合金驱动的竹节虫
      • Rolling car 滚动车
      • SMA springs
      • Gripper
    • SMP applications >
      • 4D latte art 4D 拉花 >
        • Spinning 4D latte art
      • Re-writable Braille paper 可复写盲文纸
      • Surface patterning
      • 2D to 3D switching
      • Ear impression/plugs
    • Metals/polymers >
      • Smart manufacturing
      • Powerless cooling
      • Self-healing
      • Sensors 传感器 >
        • Temperature sensors 温度标签
        • Anti-counterfeit labels 防伪标签
      • Vertical gardening 垂直绿化 >
        • 盆景 >
          • In Singapore
        • Products 产品 >
          • Event sponsorship
        • Projects 项目 >
          • A project in Guangzhou (2022)
          • 2nd Project in Guangzhou
          • 3rd Project in Singapore
        • Water on-demand irrigation system
        • Vertical greening panel (2nd type)
        • 2nd type of foam
      • Wearable electronics 可穿戴电子设备
      • Controlled folding/unfolding 可控展开/折叠 >
        • Folding (multiple layered)
        • Reshape & reprogram
      • Active disassembly 自拆卸
      • Morphing wing 变翼
      • Magnetic circuit design
    • Solid state UV cross-linking >
      • Solid-state heating cross-linking
    • Additive manufacturing增材制造 >
      • 3D/4D printing 打印
      • Rapid 3D printing in solid state 快速固态3D打印 >
        • Rapid volumetric additive manufacturing in solid-state: hydrogels
        • UV cross-linkable vitrimer 2022
        • UV cross-linking of solid material
        • UV cross-linking machine
        • Solid-state VAM (3D)
        • SVAM: A brief history
        • Review of Solid state VAM by AI
      • New ways of additive manufacturing (animation)
      • UV-FDM printer
      • Cooling-responsive shape memory hydrogel via FDM
      • 3D fashion >
        • Formation of 3D structures
    • Shape capture
    • Surface capture >
      • Surface pattern for structural coloring
  • Store room
    • References/tools >
      • 3D models >
        • More STL models
        • 生肖
        • 3D printing service
      • Sample dimensions for tensile test
      • Temperature calibration
      • Toolbox工具箱
      • Toolbox II (工具箱 II)
    • Jungle >
      • About polymers >
        • Thermally reversible solid-liquid transition
        • Cyclic loading
        • Mullins effect
        • Photoelsticity 光弹
        • Shear-thickening 剪切增强 >
          • 4 CNA
        • Closed to open cell foams
        • Laser induced graphene
        • Electrospinning
        • Nano imprinting
        • Gel 凝胶 >
          • Instability in wetting of hydrogel
          • Electroactive gel电活性凝胶
        • Cellulose 纤维素
        • Plastic bottle 塑料瓶
        • Polymer recycling
        • Rapid swelling 快速溶胀
        • Rapid hardening in water
        • Patterns
        • Brittle-ductile transition
        • Tan delta >
          • Re-programmable Tan delta
        • UV cross-linking
        • Hardening speed
      • Coloring 变色 >
        • Structural coloring atop curved surfaces
        • Thermochromic 热致变色
        • Photochromic 光致变色
        • Stress induced color change力致变色 >
          • Patterned coloring via stretching 拉出色彩
      • Moire interference 莫尔干涉
      • Lenticular lens
      • Transformation front
      • Contact angle vs surface pattern
      • Laser: applications
      • Insects 昆虫
      • Structural engineer >
        • Static and Dynamic Balancing
        • Introduction videos
        • Bistable structures: a case study >
          • 3D printing of bistable structures
          • Step-wise morphing
        • Yield criterion >
          • Normalized yield surface via GPU
          • Yield surface of SMAs and beyond
        • Buckling of embedded threads
        • Buckling of embedded strip
        • Buckling of strip atop soft substrate
        • Foam structures for packaging
      • Interesting >
        • Exhibition
        • Ideas
      • Experimental >
        • Tensile test
        • Differential Scanning Calorimetry (DSC) Procedure
        • Dynamic Mechanical Analysis (DMA) Procedure
        • Shape Memory Performance Characterization Procedure for Shape Memory Polymers
      • ChatGPT 4 fun
      • 智谱测试
  • Contact
    • SMM course
    • Representative publications
    • Projects of undergraduate students
    • List of videos
    • Special issues| Conferences
    • Companies
    • References