1.07Aramid FibersHUNG HAN YANG

Richmond, VA, USA

1.07.1 OVERVIEW 2

1.07.1.1 Definition of Aramid 21.07.1.2 Aromatic Polyamide Compositions 2

1.07.1.2.1 m-Aramids 21.07.1.2.2 p-Aramids 31.07.1.2.3 Modified aramids 31.07.1.2.4 Aramid copolymers 4

1.07.1.3 Polymer Synthesis 41.07.1.3.1 Low-temperature polycondensation 41.07.1.3.2 Other synthesis methods 5

1.07.1.4 Polymer Properties 51.07.1.4.1 Density 51.07.1.4.2 Glass transition temperature 51.07.1.4.3 Melt temperature 61.07.1.4.4 Decomposition temperature 61.07.1.4.5 Solubility 61.07.1.4.6 Dilute solution behavior 61.07.1.4.7 Concentrated solution behavior 61.07.1.4.8 Crystal structure and chain conformation 7

1.07.1.5 Aramid Fibers 8

1.07.2 m-ARAMID FIBERS 9

1.07.2.1 Polymer Preparation 111.07.2.2 Fiber Preparation 111.07.2.3 MPD-I Aramid Fiber 13

1.07.2.3.1 Fiber denier 131.07.2.3.2 Color 131.07.2.3.3 Tensile properties 131.07.2.3.4 Thermal properties 141.07.2.3.5 Flex and abrasion resistance 141.07.2.3.6 Chemical resistance 151.07.2.3.7 Flame resistance 151.07.2.3.8 Moisture regain 161.07.2.3.9 Dimensional stability 16

1.07.2.4 MPD-I Aramid Paper 161.07.2.4.1 Basic structures 161.07.2.4.2 Electrical properties 161.07.2.4.3 Tensile properties 171.07.2.4.4 Chemical resistance 17

1.07.2.5 Other MPD-I Aramid Products 17

1.07.3 p-ARAMID FIBERS 17

1.07.3.1 Polymer Preparation 171.07.3.2 Fiber Preparation 19

1.07.3.2.1 Fiber spinning 191.07.3.2.2 Heat treatment 19

1.07.3.3 PPD-T Aramid Fiber 201.07.3.3.1 Moisture regain 201.07.3.3.2 Tensile properties 20

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