pplications Polyketones(PEEK, PEK, PEKK, Electrical and Electronic High-temperature PAEK, PEEKK) performance with dimensional stability \CL in Automotive. Resistance to oils and gasoline at elevated temperatures, low flammability CH,Cl,20°C Aerospace. good rain erosion resistance and Medical. ability to withstand repeated sterilization, ko0-0k+c◎0 Properties of peek PEK(1986) ropern Neat 30%o glass 30 carbon Tensile strength, MPa @c@0@0 PEEK(1977) 0- PEKK.384 Elongation to break, Izod impact strength, kI/mm PAEK.416 12 cc◎0@0-PEKK Heat-deflection >300 Properties of PAEK Family Characteristics E-1000E-1130EP3 (1)high degree of oxidative stability (2)extremely low flammability Tensile elongation,% (3)Extremely low smoke emission 530 (4)A high softening point
6 Applications Electrical and Electronic. High-temperature performance with dimensional stability Automotive. Resistance to oils and gasoline at elevated temperatures, low flammability Aerospace. good rain erosion resistance and microwave transparency Medical. ability to withstand repeated sterilization, its resistance to chemicals and its transparency. Fluid Handling. excellent long-term hydrolysis resistance Polyketones (PEEK, PEK, PEKK, PAEK, PEEKK) −O－ −COCl AlCl3 in CH2Cl2 20°C − −CO－ −O − KO − −CO－ −F − −CO－ −O − KO− −CO－ −O −OK + F − −CO－ −O −F － CO −O－ － CO −O－ −O－ － CO −CO－ −O－ － CO −CO－ −O－ −O－ － O −CO－ −O－ PEEKK 160, - PAEK -, 416 PEKK -, 384 PEEK(1977) 144, 335 PEK(1986) 154, 361 Property Neat 30% glass 30% carbon Tensile strength, MPa At 23 °C 100 160 215 At 100 °C 66 130 185 At 150 °C 35 75 l00 Elongation to break, % >40 ... ... Izod impact strength, kJ/mm Notched 0.09 0.12 0.06 Unnotched No break ... 0.64 Heat-deflection temperature °C 152 >300 >300 Properties of PEEK Property E-1000 E-1130 EP3140 Tensile strength, MPa At 23 °C 93.1 163 155 At 250 °C 8.62 32.4 28.1 Tensile elongation, % 50 2.2 1.5 Heat-deflection temperame, °C 306 340 340 Izod impact, J/m Notched 85 96 64 Unnotched No break 720 530 Tensile impact, kJ/m2 115 135 525 Properties of PAEK Family Characteristics (1) high degree of oxidative stability (2) extremely low flammability (3) Extremely low smoke emission (4) A high softening point
Other notable features Applications (1)Excellent toughness and wear resistance Aircraft/aerospace applications such as engine (2) Excellent fatigue resistance components, cabin interior material, air ducts, and (3)Excellent hydrolytic stability nonstructural exterior parts. Other applications (hot water at 125"C, under which polyimides are liable to fail.) include wire and cable in the electrical/electronics (4)Good radiation resistance market, pump components in the chemical (5) Very good low-friction properties of bearing grat rocessing market. Thermoplastic Polyimides(TPl) 了o -NH-X-NH COOH hysical and mechanical properties of TPl Polyamide-imides(PAl) Avimid K-lll Ultem 1000 Torlon4203 Tensile strength, MPa 102 Tensile modulus GPa 3.8 notched Izod. J/m strain-to-failure
7 Other notable features (1) Excellent toughness and wear resistance (2) Excellent fatigue resistance (3) Excellent hydrolytic stability (hot water at 125°C, under which polyimides are liable to fail.) (4) Good radiation resistance (5) Very good low-friction properties of bearing grad Aircraft/aerospace applications such as engine components, cabin interior material, air ducts, and nonstructural exterior parts. Other applications include wire and cable in the electrical/electronics market, pump components in the chemical processing market. Applications Thermoplastic Polyimides (TPI) −C + NH2—X—NH2 −C O ＝ O ＝ O C− C− O O ＝ ＝ O −COOH −C－NH－X－ ＝ O ＝ O ∼X－NH－C− HOOC− O ＝ ＝ O −COOH −C－N∼ ＝ O ＝ O NH－C− HOOC− O ＝ ＝ O H −C −C ＝ O ＝ O C− C− O ＝ ＝ O ∼X－N N－X－N −C −C ＝ O ＝ O C− C− O ＝ ＝ O N ∼ Avimid K-III Ultem l000 Torlon4203 Density, g/cm3 1.31 1.27 1.38 Tensile strength, MPa 102 104 186 Tensile modulus, GPa 3.8 3.0 4.4 notched Izod, J/m -- 53.4 133.5 strain-to-failure, % 14 60 20 Tg ° C 250 210 267 Physical and mechanical properties of TPIs Polyamide-imides (PAI) −C ＝ O C− C− N O ＝ ＝ O H N Ar
Family Characteristics of PAl Polyether-imide Exceptional dimensional stability:(high Tg, no 1982 crystallinity) Retention ot properties after thermal aging Exceptional mechanical strength Low coefficient of thermal expansio Outgassing characteristics Family Characteristics Liquid Amorphous structure: excellent dimensional Ine Tg=217cAt180°c remain in excess of 41 MPa polymers H3-(CH,h-O\,O-(CH,)-CH3 CH4C120⑨NN0Cm CH3-(CH,h ○)0(CH)2xCH CH3-(CH,h-O CN⊙0(m2<H WOre W
8 Exceptional dimensional stability: (high Tg, no crystallinity) Wide range of temperature capability: (from –170 to 260 °C) Retention of properties after thermal aging Family Characteristics of PAI Radiation stability Ultraviolet stability Inherent flame resistance Exceptional mechanical strength Low coefficient of thermal expansion Outgassing characteristics Outstanding wear characteristics Polyether-imide O C CH3 CH3 O O O N O O N 1982 Amorphous structure: excellent dimensional stability, low shrinkage, and highly isotropic mechanical properties Tg = 217°C At 180 °C, tensile modulus remain in excess of 41 MPa Family Characteristics Liquid crystalline polymers O O-(CH2) CH3 N=N 2 –CH3 -(CH2)2 - O O-(CH2)2 CN –CH3 Tail Tail Core Core Tail O-(CH2) CH3 2 –CH3 -(CH2)2 - O CH3 -(CH2)2 - O CH3 -(CH2)2 - O O-(CH2)2 –CH3 O-(CH2)2 –CH3 Core Tail
Nematic hectic A 8 Smectic C Discotic nematic 25 42 22222 Discotic Hexagonal Ordered Discotic hexagonal disordered D
9 Nematic N Smectic A SA α Smectic C SC Discotic Nematic DN Discotic Hexagonal Ordered Dho Discotic Hexagonal Disordered Dhd
Cholesteric bis-(p-heptyloxy phenyl) terephthalate CH3(CH2)O O(CH2)CH3 152.3 1760 194.8T/°C Crystal -smetic Ch-smectic AF.Nematic.isotropic Chiral Nematic 1.7 AH/kJmol-1 Bragg equation Chiral smectic 2d sin b=nA d=P temperature sensible Macromolecule Main chain Plcs from calamities cores Poly merized liquid Liquid crystal crystals(PLCs) polymers(LCPs) Main-cha Side-chain Thermotropic
10 Crystal smectic C smectic A Nematic isotropic 152.3 176.0 180.8 194.8 T/°C 56.2 0.3 0.9 1.7 ∆H/kJmol-1 CH3(CH2)6O OC O C O O O(CH2)6CH3 bis-(p-heptyloxyphenyl) terephthalate P Chiral Nematic N* Cholesteric c n Chiral Smectic Sc* nz ny n P z ny n θ 2d sin θ = n λ Bragg equation d d d d =P temperature sensible Polymerized liquid crystals (PLCs) Liquid crystal polymers (LCPs) Main-chain Side-chain lyotropic Thermotropic Macromolecular liquid crystal Main chain PLCs from calamitic cores Spacer