Ислом каримов номидаги тошкент давлат техника университети «фан ва тарақҚиёт» давлат унитар

The object of the research work 
as objects of study used epoxy oligomer, 
furano-epoxy oligomer, furanoside-shale oligomer, a polyethylene polyamine, 
dibutyl phthalate, iron powder, aluminum powder, acetylene carbon black, copper 
oxide, kaolin. 
Scientific novelty of the research work: 
changes in electrification during contact interaction of polymer coatings with 
cotton-raw defined patterns depending on the operational and technological 
factors; 
the interrelation of processes of electrification with electrophysical and 
physico-mechanical properties of polymeric coverings at interaction with raw 
cotton is established; 
it is revealed that the introduction of conductive organo-mineral fillers in the 
polymer composition significantly reduces the formation of statistical electricity, 
which makes it possible to regulate the anti-electrostatic and anti-friction 
properties of composite polymer materials and coatings based on them; 
it is shown that the frictional interaction of composite polymer coatings with 
raw cotton is accompanied by a change in the structure of their surface layer and 
the mechanism of formation of electric charges, which leads to a change in the 
electrification of coatings; 
new anti-electrostatic composite polymer coatings for tribotechnical purposes 
for working bodies of machines and mechanisms of the cotton industry have been 
developed. 
Implementation of the research results. 
On
 
the based on the results of 
obtaining anti-electrostatic composite polymeric materials and tribological 
coatings: 
the State Standard of the Republic of Uzbekistan for the method of 
determining the coefficient of friction, temperature and electrostatic charge in the 
friction zone of antifriction machine-building CPMs interacting with the pulp (raw 
cotton) was developed and registered at the Uzstandard Agency (O'z DSt 3330: 
2018) (reference 1187/40 of October 26, 2018, the state-owned enterprise 
Information and Reference Center, O'ZSTANDART agency). As a result, an 
opportunity was created on a disk tribometer to simultaneously determine the 
coefficient of friction, temperature and triboelectric charges arising in the friction 
zone during frictional interaction of machine-building CPM with fibrous materials; 
the patent of the Agency of Intellectual Property of the Republic of 
Uzbekistan for the invention was obtained for the composition of the antifriction 
polymer composition (No. IAP 05000, 2015). As a result of the creation of anti-
friction wear-resistant polymer compositions, it became possible to increase the 
working capacity and efficiency of cotton processing machines and mechanisms; 

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the patent of the Intellectual Property Agency of the Republic of Uzbekistan 
for the invention was obtained for the composition of the antifriction polymer 
composition (No. IAP 05068, 2015). As a result, the working bodies of machines 
and mechanisms have a wide range of access to antifriction composite wood-
polymer materials; 
anti-electrostatic composite polymer coatings were introduced in the working 
bodies of machines and mechanisms of the Piskent cotton gin plant (information 
from Uzpakhtasanoat JSC for 03-18/6050 dated October 18, 2019). As a result, the 
use of the developed composite polymer coatings in the working bodies of cotton 
processing machines and mechanisms made it possible to reduce the friction force 
arising from the interaction of antielectrostatic composite polymer coatings with 
raw cotton by 30–40% by reducing the electrification in the contact zone of 
rubbing pairs, and to increase the performance of individual equipment cotton 
processing plants by 15-20% and reduce the damage to cotton fiber and seeds by 
0.30-0.40%, eliminate the possibility of fire during the primary processing of raw 
cotton.