申请人:DSM IP ASSETS B.V.
公开号:US20160367681A1
公开(公告)日:2016-12-22
The present invention relates to a poly (ester amide) (PEA) having a chemical formula described by structural formula (IV),
wherein
m+p varies from 0.9-0.1 and q varies from 0.1 to 0.9
m+p+q=1 whereby m or p could be 0
n is about 5 to about 300; (pref. 50-200)
R
1
is independently selected from the group consisting of (C
2
-C
20
alkylene, (C
2
-C
20
) alkenylene, —(R
9
—CO—O—R
10
—O—CO—R
9
)—, -CHR
11
-O-CO-R
12
—COOCR
11
— and combinations thereof;
R
3
and R
4
in a single backbone unit m or p, respectively, are independently selected from the group consisting of hydrogen, (C
1
-C
6
)alkyl, (C
2
-C
6
)alkenyl, (C
2
-C
6
)alkynyl, (C
6
-C
10
)aryl, (C
1
-C
6
)alkyl, —(CH
2
)SH, —(CH
2
)S(CH
3
), —CH
2
OH, —CH(OH)CH
3
, —(CH
2
)
4
NH
3
+, —(CH
2
)
3
NHC(═NH
2
+)NH
2
, —CH
2
COOH, —(CH
2
)COOH, —CH
2
—CO—NH
2
, —CH
2
CH
2
—CO—NH
2
, —CH
2
CH
2
COOH, CH
3
—CH
2
—CH(CH
3
)—, (CH
3
)
2
—CH—CH
2
—, H
2
N—(CH
2
)
4
—, Ph-CH
2
—, CH═C—CH
2
—, HO-p-Ph-CH
2
—, (CH
3
)
2
—CH—, Ph-NH—, NH—(CH
2
)
3
—C—, NH—CH═N—CH═C—CH
2
—.
R
5
is selected from the group consisting of (C
2
-C
20
)alkylene, (C
2
-C
20
)alkenylene, alkyloxy or oligoethyleneglycol
R
6
is selected from bicyclic-fragments of 1,4:3,6-dianhydrohexitols of structural formula (III);
R
7
is selected from the group consisting of (C
6
-C
10
)aryl (C
1
-C
6
)alkyl
R
8
is —(CH
2
)4—;
R
9
or R
10
are independently selected from C
2
-C
12
alkylene or C
2
-C
12
alkenylene.
R
11
or R
12
are independently selected from H, methyl, C
2
-C
12
alkylene or C
2
-C
12
alkenylene whereby a is at least 0.05 and b is at least 0.05 and a+b=1.