Patent RU-2701830-C2 (RU)
Title: Functionalised elastomeric polymer compositions, methods for production thereof and cross-linked rubber compositions thereof
Inventor: ROESSLE MICHAEL
IPC: C08C19/22
Filed: 2015-12-30
Granted: 2019-10-01
Abstract: FIELD: chemistry. 
     SUBSTANCE: present invention relates to an elastomeric polymer composition and preparation thereof. Described is a polymer composition for producing cross-linked rubber compounds containing modified polymers according to following Formula 1 and Formula 2: 
        Formula 1 
        Formula 2, 
     where P 1  and P 2  each independently represents a polymer chain obtained by anionic polymerisation of one or more polymerisable monomers selected from conjugated dienes and aromatic vinyl compounds, wherein each polymer chain P 1  and P 2  contains at least 40 wt. % of repeating units obtained by polymerisation of said conjugated dienes, and wherein at least anionic polymerisation of polymer chain P 1  is carried out in the presence of a compound of following Formula 9a: 
        Formula 9a, 
     where each R 31  is independently selected from hydrogen, (C 1 -C 10 )alkyl, (C 6 -C 12 )aryl and (C 7 -C 18 ) aralkyl; each R 32 , R 33  and R 34  is independently selected from hydrogen, (C 1 -C 18 ) alkyl and (C 1 -C 18 ) alkoxy; each R 41  is independently selected from (C 1 -C 100 ) alkyl and (C 2 -C 100 ) alkenyl, where each R 41  optionally substituted with one to three (C 6 -C 12 ) with aryl groups and optionally linked to a structure of Formula 9a through an oligomer chain consisting of up to 25 monomer links selected from conjugated dienes, especially 1,3-butadiene and isoprene, and aromatic vinyl compounds, especially styrene and divinylbenzene; each M 2  is independently selected from lithium, sodium and potassium; and k, l and q are integers selected from 0, 1, 2 and 3; A 1 , A 2  and A 3  are independently selected from following Formula 3 to Formula 8: 
        Formula 3, 
     where each R 1  is independently selected from (C 1 -C 16 ) alkyl; each R 2  is independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl and (C 7 -C 18 ) aralkyl; a and b are integers independently selected from 0, 1 and 2, wherein a + b = 2; R 3  is independently selected from divalent (C 1 -C 16 ) alkyl, divalent (C 6 -C 18 ) aryl, divalent (C 7 -C 18 ) aralkyl and -R 4 -OR 5 -, where R 4  and R 5  are independently selected from divalent (C 1 -C 6 ) alkyl; and Z is independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl, (C 7 -C 18 ) aralkyl, (C=S)-SR 6 , where R 6  is selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl and (C 7 -C 18 ) aralkyl, and M 1 (R 7 ) c (R 8 ) d , where M 1  is silicon or tin, each R 7  is independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl and (C 7 -C 18 ) aralkyl; each R 8  is independently selected from -SR 3 -Si(OR 1 ) r (R 2 ) s , where R 1 , R 2  and R 3  are as defined for Formula 3 above, r is an integer independently selected from 1, 2 and 3 and s is an integer independently selected from 0, 1 and 2, wherein r + s = 3; c is an integer independently selected from 2 and 3; d is an integer independently selected from 0 and 1; and c + d = 3; 
        Formula 4 
        Formula 5, where R 9 , R 10 , R 11  and R 12  are independently selected from hydrogen, (C 1 -C 16 ) alkyl, (C 6 -C 16 ) aryl and (C 7 -C 16 ) aralkyl; 
        Formula 6 
        Formula 7, 
     where each R 13 , R 14 , R 18  and R 19  is independently selected from (C 1 -C 16 )alkyl; R 15  and R 20  are independently selected from divalent (C 1 -C 16 ) alkyl, divalent (C 6 -C 18 ) aryl, divalent (C 7 -C 18 )aralkyl and -R 24 -OR 25 -, where R 24  and R 25  are independently selected from divalent (C 1 -C 6 ) alkyl; R 16  and R 17  are independently selected from (C 1 -C 16 ) alkyl and -SiR 26 R 27 R 28 , where R 26 , R 27  and R 28  are independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl and (C 7 -C 18 ) aralkyl; each R 21  and R 22  is independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl and (C 7 -C 18 ) aralkyl; each R 23  is independently selected from hydrogen and (C 1 -C 6 ) alkyl; f, g, h and i are integers independently selected from 0, 1 and 2; f + g = 2; and h + i = 2; 
        Formula 8, 
     where each R 29  and R 30  is independently selected from (C 1 -C 16 ) alkyl, (C 6 -C 18 ) aryl, (C 7 -C 18 ) aralkyl and vinyl; and j is an integer selected from 1 to 200; and wherein amount of polymer of Formula 1 ranges from 15 to 85 % in moles based on total amount of polymer of Formula 1 and polymer of Formula 2. Also described is a method of producing a polymer composition and a crosslinked polymer composition. 
     EFFECT: technical result is improved dynamic properties of cross-linked rubber compounds. 
     21 cl, 1 dwg, 9 tbl, 43 ex