Influence of sepiolite on crystallinity of soft segments and shape memory properties of polyurethane nanocomposites

2016 ◽  
Vol 39 (5) ◽  
pp. 1674-1681 ◽  
Author(s):  
Guihui Yu ◽  
Hongxiang Chen ◽  
Wanwan Wang ◽  
Yu Zhou ◽  
Junheng Zhang ◽  
...  
Keyword(s):  
Shape Memory ◽  
Soft Segments ◽  
Shape Memory Properties ◽  
Polyurethane Nanocomposites

scholarly journals Shape-Memory Properties of Segmented Polymers Containing Aramid Hard Segments and Polycaprolactone Soft Segments

Polymers ◽  
2010 ◽  
Vol 2 (2) ◽  
pp. 71-85 ◽  
Author(s):  
Christian Schuh ◽  
Kerstin Schuh ◽  
Maria C. Lechmann ◽  
Louis Garnier ◽  
Arno Kraft
Keyword(s):  
Shape Memory ◽  
Soft Segments ◽  
Shape Memory Properties ◽  
Hard Segments

Hybrid and biocompatible cellulose/polyurethane nanocomposites with water-activated shape memory properties

2019 ◽  
Vol 216 ◽  
pp. 86-96 ◽  
Author(s):  
Leire Urbina ◽  
Ana Alonso-Varona ◽  
Ainara Saralegi ◽  
Teodoro Palomares ◽  
Arantxa Eceiza ◽  
...  
Keyword(s):  
Shape Memory ◽  
Shape Memory Properties ◽  
Polyurethane Nanocomposites

Structure and Shape Memory Properties of Polyurethane Copolymers Having Urethane Chains as Soft Segments

2011 ◽  
Vol 50 (12) ◽  
pp. 2290-2306 ◽  
Author(s):  
Feng Long Ji ◽  
Jin Lian Hu ◽  
Wing-Man Winnie Yu ◽  
Stephen Sin-Yin Chiu
Keyword(s):  
Shape Memory ◽  
Soft Segments ◽  
Shape Memory Properties

Clay Reinforced Hyperbranched Polyurethane Nanocomposites Based on Palm Oil Polyol as Shape Memory Materials

2012 ◽  
Vol 548 ◽  
pp. 115-118 ◽  
Author(s):  
Ernie Suzana Ali ◽  
Syazana Ahmad Zubir ◽  
Ahmad Sahrim
Keyword(s):  
Shape Memory ◽  
Palm Oil ◽  
Chain Extender ◽  
Diphenylmethane Diisocyanate ◽  
Mixing Process ◽  
Clay Particles ◽  
Step Process ◽  
Hyperbranched Polyurethane ◽  
Shape Memory Properties ◽  
Polyurethane Nanocomposites

Reactive nanoclay reinforced hyperbranched polyurethane (HPU) nanocomposites have been synthesized with the introduction of palm oil polyol as part of the precursor. The HPU were prepared in a two-step process using polycaprolactonediol, 4,4’-diphenylmethane diisocyanate and 1,4-butanediol as chain extender. Nanoclay was added with the purpose of improving the properties of the pristine polyurethane. The introduction of palm oil polyol is believed to enhance the mixing process between polymer matrix and filler. Thermal, mechanical and shape memory properties of produced HPU were investigated. The results showed that the crystallinity of HPU nanocomposites decreased with introduction of clay particles and that the mechanical and shape memory properties were enhanced with the addition of small amount of reactive nanoclay (up to 3 wt%).

Thermo‐responsive shape memory properties based on polylactic acid and styrene‐butadiene‐styrene block copolymer

2021 ◽  
pp. 51000
Author(s):  
Fathin Hani Azizul Rahim ◽  
Abdul Aziz Saleh ◽  
Raa Khimi Shuib ◽  
Ku Marsilla Ku Ishak ◽  
Zuratul Ain Abdul Hamid ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Shape Memory ◽  
Polylactic Acid ◽  
Shape Memory Properties ◽  
Styrene Butadiene Styrene ◽  
Styrene Butadiene ◽  
Butadiene Styrene
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