申请人:Blondel Philippe
公开号:US20050096430A1
公开(公告)日:2005-05-05
The present invention relates to a flexible semiaromatic polyamide composition with a low moisture uptake comprising, by weight, the total being 100: 60 to 99.5% (preferably 70 to 93%) of at least one copolyamide of formula X/Y,Ar in which: Y denotes the residues of an aliphatic diamine having from 8 to 20 carbon atoms, Ar denotes the residues of an aromatic dicarboxylic acid,
X denotes either the residues of aminoundecanoic acid NH
2
—(CH
2
)
10
—COOH, of lactam-12 or of the corresponding amino acid, or X denotes the unit Y,x, residue from the condensation of the diamine with an aliphatic diacid (x) having between 8 and 20 carbon atoms, or X denotes the unit Y,I, residue from the condensation of the diamine with isophthalic acid, −0.5 to 40% (preferably 7 to 30%) of at least one product chosen from plasticizers, nanofillers, polyolefins, crosslinked polyolefins and additives.
本发明涉及一种具有低吸湿性的柔性半芳香族聚酰胺组合物,该组合物包含至少一种式 X/Y,Ar 的共聚多酰胺,其重量百分比为 100:60-99.5%(优选 70-93%),其中:Y 表示具有 8 至 20 个碳原子的脂肪族二胺的残基,Ar 表示芳香族二羧酸的残基、
X 表示氨基十一酸 NH
2
-(CH
2
)
10
内酰胺-12 或相应氨基酸的-COOH,或 X 表示二元胺与具有 8 至 20 个碳原子的脂肪族二元酸 (x) 缩合后的残余物 Y,x 单元,或 X 表示二元胺与间苯二甲酸缩合后的残余物 Y,I 单元,-0.5%至 40%(优选 7%至 30%)的至少一种选自增塑剂、纳米填充剂、聚烯烃、交联聚烯烃和添加剂的产品。