US 10,889,659 B2
Modified polymethylhydrosiloxane, modified high-cis conjugated diene polymer, and manufacturing method for the same, and rubber composition and tire using the same
Hsiu-Ping Shen, Tainan (TW); and Kuan-Lin Hsieh, Tainan (TW)
Assigned to CHI MEI CORPORATION, Tainan (TW)
Filed by Chi Mei Corporation, Tainan (TW)
Filed on Jan. 28, 2019, as Appl. No. 16/258,871.
Prior Publication US 2019/0241740 A1, Aug. 8, 2019
Int. Cl. C08C 19/25 (2006.01); C08L 83/10 (2006.01); C08L 83/06 (2006.01); C08L 47/00 (2006.01); B60C 1/00 (2006.01); C08K 3/011 (2018.01); C08K 3/08 (2006.01); C08G 77/442 (2006.01); C08G 81/02 (2006.01)
CPC C08C 19/25 (2013.01) [B60C 1/0016 (2013.01); C08G 77/442 (2013.01); C08G 81/024 (2013.01); C08K 3/011 (2018.01); C08K 3/08 (2013.01); C08L 47/00 (2013.01); C08L 83/06 (2013.01); C08L 83/10 (2013.01); B60C 1/00 (2013.01); C08K 2003/0812 (2013.01); C08K 2003/0837 (2013.01); C08K 2003/0881 (2013.01); C08L 2312/08 (2013.01)] 15 Claims
 
1. A manufacturing method for a modified high-cis conjugated diene polymer, comprising:
performing a polymerization reaction to form a high-cis conjugated diene polymer; and
making the high-cis conjugated diene polymer react with a first modifier, and then react with a second modifier in the presence of a condensation accelerator to generate a modified high-cis conjugated diene polymer;
wherein the modified high-cis conjugated diene polymer has over 97% of cis-1,4 structure;
the second modifier comprises a compound represented by the following formula (1):

OG Complex Work Unit Drawing
wherein
R3 comprise a substituted or un-substituted C6-C16 hydrocarbon group containing an aryl group, or a substituted or un-substituted C2-C16 hydrocarbon group containing an amino group,
R4 comprise a substituted or un-substituted C2-C4 alkylene group, a group of —(O—C2H4)—, and a group of —OR5,
R5 are a hydrogen atom or a substituted or un-substituted C1-C3 alkyl group,
R6 are substituted or un-substituted C2-C4 alkylene groups,
R7 are substituted or un-substituted C2-C4 alkylene groups,
R8 are C1-C3 alkoxy groups,
v is 170-400,
w is 0-45,
x is 15-59,
y is 0-43,
z is 5-34,
and a total of w, x and y is bigger than 0,
R3 are identical or different,
R4 are identical or different,
R5 are identical or different,
R6 are identical or different,
R7 are identical or different, and
R8 are identical or different;
the first modifier comprises a compound represented by the following formula (2):
(R1)a—Si—(OR2)4-a  FORMULA (2)
wherein R1 is a functional group comprising a glycidoxy group, 2-(3,4-epoxycyclohexyl) group or an isocyanate group, R2 are substituted or un-substituted C1-C3 alkyl groups, a is 0 or 1, R2 are identical or different.