SILANE, RUBBER MIXTURE CONTAINING THE SILANE, AND VEHICLE TIRE HAVING THE RUBBER MIXTURE IN AT LEAST ONE COMPONENT
申请人:Continental Reifen Deutschland GmbH
公开号:US20210009610A1
公开(公告)日:2021-01-14
The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire comprising the rubber mixture in at least one component.
The inventive silane has the following formula (I):
(R
1
)
o
Si—R
2
—X-A-Y—[R
7
—Y—]
m
—R
7
—S
k
—R
7
—[—Y—R
7
]
m
—Y-A-X—R
2
—Si(R
1
)
o
,
wherein according to the invention it has spacer groups between the respective silyl groups and the S
k
moiety, which have an aromatic group A and at least one alkylene group R
7
and also the linking units X and Y, wherein the groups X within a molecule may be identical or different from each other and are selected from the groups —HNC(═O)—, —C(═O)NH—, —C(═O)O—, —OC(═O)—, —OC(═O)NH—, —HNC(═O)O—, —R
3
NC(═O)NR
3
—, —R
3
NC(═NR
3
)NR
3
—, —R
3
NC(═S)NR
3
—, wherein at least one R
3
within each group X is a hydrogen atom; and wherein the groups Y within a molecule may be identical or different from each other and are selected from the groups —HNC(═O)—, —C(═O)NH—, —C(═O)O—, —OC(═O)—, —OC(═O)NH—, —HNC(═O)O—, —R
4
NC(═O)NR
4
—, —R
4
NC(═NR
4
)NR
4
—, —R
4
NC(═S)NR
4
—, wherein at least one R
4
within each group Y is a hydrogen atom, and wherein the radicals R
7
within a molecule may be identical or different and comprise alkylene radicals having 1 to 20 carbon atoms, which may have cyclic, branched and/or aliphatically unsaturated groups.
The inventive rubber mixture comprises at least one inventive silane.
该发明涉及一种硅烷,一种包含该硅烷的橡胶混合物,以及包括至少一种组分中的橡胶混合物的车辆轮胎。该创新性硅烷具有以下化学式(I):(R1)oSi—R2—X-A-Y—[R7—Y—]m—R7—Sk—R7—[—Y—R7]m—Y-A-X—R2—Si(R1)o,根据该发明,在各硅基团和Sk基团之间具有间隔基团,其具有芳香基团A和至少一个烷基基团R7,以及连接单元X和Y,其中分子中的X基团可以相同也可以不同,并且从以下基团中选择:—HNC(═O)—、—C(═O)NH—、—C(═O)O—、—OC(═O)—、—OC(═O)NH—、—HNC(═O)O—、—R3NC(═O)NR3—、—R3NC(═NR3)NR3—、—R3NC(═S)NR3—,其中每个X基团中至少有一个R3是氢原子;分子中的Y基团可以相同也可以不同,并且从以下基团中选择:—HNC(═O)—、—C(═O)NH—、—C(═O)O—、—OC(═O)—、—OC(═O)NH—、—HNC(═O)O—、—R4NC(═O)NR4—、—R4NC(═NR4)NR4—、—R4NC(═S)NR4—,其中每个Y基团中至少有一个R4是氢原子,并且分子中的基团R7可以相同也可以不同,包括具有1到20个碳原子的烷基基团,可能具有环状、支链和/或烯丙基未饱和基团。该创新性橡胶混合物包括至少一种创新性硅烷。