Institute of Bioorganic Chemistry

and Petrochemistry of National

Academy of Science of Ukraine

 

1, Murmanskaya Str., Kyiv94

020660, Ukraine

e-mail: fluortribo@rambler.ru

 

New functional materials based on thermostable geterochain polymers

E.V.Sheludko, G.A.Kovtun and O.N.Tsypina

Homogeneous catalysis and supplements Department

 

 

 

Fluorocontaining thermostable polymers

 

 

POLYAMIDES

 

 

  

TG and TM curves for polyamidesI - VI

POLYIMIDES

TGA: 490-500 o C ( 5%)

520-530 0 C (10%)

e = 2,3; tgd×103 = 3,0

Moisture capacity - 0,75 %

e T relationship

Metalcontaining

fluorinated polyamidoimides

 

(PAI)

Me =Co, Cu

p - A diagram for PAI

POLYARYLATES

TGA:380 440 o C( 1 type); 390-450 o C (2 type)

Tg : 140-320 o C (1);150-360 o C (2)

Elongation at rupture170- 290 %

Cristal structure of the model

(2)

Copolybenzimid- azole pyrrolones

 

( CBP)

 

 

CBP

 

TGA: 470 510 o C

Tg : 325-390 o C

 

Sorption and desorption of

moisture by the films:

1- CBP

2- Non fluoridized pyrrone

 

 

Calixarenecontaining oligomers and copolymers

 

Epoxyoligomers with calixarene fragments

 

Polystyrole with calixarene fragments

R =-CH=CH2,

-C(CH3 )=CH2

 

 

 

Coatings Fields of application



 

Coatings advantages

1. Low friction factor ( 0,05-0,07)

2. Low permitivity ( e = 2,3)

3. Operating temperature ranges: -196 - +180 o C

4. Saving of expensive metals ( Cr )

5. Fungistatic property of polyamides films (PA)