申请人:FUNDACIÓN CIDETEC
公开号:US20170008999A1
公开(公告)日:2017-01-12
The self-healing cross-linked polymer comprises units of formula (I), wherein: P is a polymeric chain, R
1
and R
1
′ are independently selected from the group consisting of: —H, (C
1
-C
20
)alkyl, (C
5
-C
14
)aryl, —OR
4
, —(CO)R
5
, —O(CO)R
6
, —(SO)R
7
, —NH—CO—R
8
, —COOR
9
, —NR
10
R
11
, —NO
2
, and halogen; R
2
, R
2
′, R
3
and R
3
′ are independently selected from the group consisting of: —H, (C
1
-C
20
)alkyl and (C
5
-C
14
)aryl; R
4
to R
11
are the same or different, and are selected from the group consisting of: —H, (C
1
-C
20
)alkyl, and (C
5
-C
14
)aryl; m is from 3 to 4; n is from 1 to 2; provided that n+m is 5; the polymer having H-bonding interactions and being able to undergo catalyst free aromatic disulfide metathesis at room-temperature, and having a tensile strength value from 0.5 to 1.5 MPa and an elongation at break value higher than 200% at room-temperature.