Solid State Polymerization Process for Polyester with Phosphinic Acid Compounds
申请人:Odorisio Paul
公开号:US20130035451A1
公开(公告)日:2013-02-07
Disclosed are phosphinic acid compounds of formula I, II or III
where R
1
and R
1
′ are for instance straight or branched C
1
-C
50
alkyl, R
2
is for instance straight or branched C
22
-C
50
alkyl, R
3
and R
3
′ are for instance straight or branched C
1
-C
50
alkyl, R
4
is for instance straight or branched C
1
-C
50
alkylene and m is from 2 to 100. Also disclosed are polyester compositions comprising the compounds of formula I, II and III.