Institute of Bioorganic Chemistry

and Petrochemistry of National

Academy of Science of Ukraine

 

1, Murmanskaya Str., Kyiv–94

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 polyamides I - 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 rupture 170- 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)