公开(公告)号：EP3953410A1

公开(公告)日：2022-02-16

申请号：EP20722933.7

申请日：2020-04-10

申请人： E. I. du Pont de Nemours and Company ,  DUPONT POLYMERS, INC.

发明人： MATHEW, Annakutty ,  NOZAKI, Masahiro ,  KOBAYASHI, Toshikazu ,  WICHMANN, Mark

IPC分类号： C08G69/36 ,  C08L77/02 ,  C08L77/06

公开(公告)号：EP2751206B1

公开(公告)日：2016-04-27

申请号：EP12828880.0

申请日：2012-08-29

申请人： E. I. du Pont de Nemours and Company

发明人： GAVENONIS, John ,  MATHEW, Annakutty ,  MAURER, Karl Paul ,  YUAN, Shengmei

IPC分类号： C08L77/06 ,  C08L77/08 ,  C08G69/34 ,  C08J5/00 ,  B60B5/02

CPC分类号： C08L23/0815 ,  C08K5/00 ,  C08K7/02 ,  C08L23/08 ,  C08L77/06

摘要： Disclosed is a injection molded composite wheel, including a thermoplastic polyamide composition consisting essentially of (A) 20 to 70 weight percent of at least one polyamide resin including at least one repeat unit selected from the group consisting of the formulas —C(O)(CH2)10C(O)NH(CH2)nNH—  (I), —C(O)(CH2)12C(O)NH(CH2)nNH—  (II), —C(O)(CH2)14C(O)NH(CH2)nNH—  (III), and —C(O)(CH2)16C(O)NH(CH2)nNH—  (IV); wherein n is an integer selected from 4, 6, and 10, and with the proviso that when the polyamide resin has repeat units of formula (I), at least one other repeat unit of formula (II)-(IV) is also present in at least 30 mol % content; (B) 20 to 65 weight percent of one or more fiber reinforcing agents, and (C) 0 to 20 weight percent of one or more polymer impact modifiers.

公开(公告)号：EP2751167A1

公开(公告)日：2014-07-09

申请号：EP12766499.3

申请日：2012-08-29

申请人： E. I. Du Pont de Nemours and Company

发明人： KOROVESSI, Ekaterini ,  MATHEW, Annakutty ,  MARTENS, Marvin, M. ,  RITTER, Joachim, C.

IPC分类号： C08G69/26 ,  C08L77/06 ,  F16L11/04 ,  C08G69/28

CPC分类号： C08G69/265 ,  C08G69/28 ,  C08L77/06 ,  F16L9/12 ,  F16L11/04

摘要： Disclosed is a copolyamide including at least two repeat units selected from the group consisting of structures (I) to (IV), -C(O)(CH
2 )
10 C(O) NH(CH
2 )
n NH- (I); -C(O)(CH
2 )
12 C(O)NH(CH
2 )
n NH- (II); -C(O)(CH
2 )
14 C(O)NH(CH
2 )
n NH- (III); and -C(O)(CH
2 )
16 C(O)NH(CH
2 )
n NH- (IV); and n is an integer selected from 4, 6, 10 or 12; wherein at least one repeat unit is selected from structures (I) and (II); and any one the repeat units may be present up to about 92 mole percent. Also disclosed is a process for providing the copolyamide; and thermoplastic compositions and tubing including the copolyamides.

公开(公告)号：EP2670805B1

公开(公告)日：2017-11-08

申请号：EP12741998.4

申请日：2012-01-31

申请人： E. I. du Pont de Nemours and Company

发明人： DOSHI, Shailesh ,  MATHEW, Annakutty

IPC分类号： C08L77/00 ,  C08L77/06 ,  C08L77/10 ,  C08G69/00 ,  C08J3/20

CPC分类号： C08L77/06

公开(公告)号：EP2751168A1

公开(公告)日：2014-07-09

申请号：EP12828456.9

申请日：2012-08-29

申请人： E. I. Du Pont de Nemours and Company

发明人： GAVENONIS, John ,  MATHEW, Annakutty

IPC分类号： C08G69/26 ,  C08G69/34 ,  C08L77/08 ,  C08J5/00

CPC分类号： C08G69/265 ,  C08L77/06 ,  Y10T428/139

摘要： Disclosed is a copolyamide including 8 to 92 mole percent repeat units of the formula -C(O)(CH
2 )
14 C(O) NH{CH
2 )
n NH- (I) and 8 to 92 mole percent repeat units of the formula -C(O)(CH
2 )
16 C(O)NH(CH
2 )
n NH- (II) wherein n is an integer selected from 4, 6, 10 and 12; thermoplastic compositions including the copolyamide; and molded and extruded articles prepared from the thermoplastic compositions.

公开(公告)号：EP2440825A1

公开(公告)日：2012-04-18

申请号：EP10724960.9

申请日：2010-06-08

申请人： E. I. du Pont de Nemours and Company

发明人： MARTENS, Marvin, Michael ,  MATHEW, Annakutty ,  TOPOULOS, Georgios

IPC分类号： F16L9/133 ,  B32B1/08 ,  B32B7/02 ,  B32B27/08 ,  B32B27/34 ,  B32B27/18 ,  C08K3/16 ,  C08G69/36

CPC分类号： B32B1/08 ,  B32B7/02 ,  B32B27/08 ,  B32B27/18 ,  B32B27/34 ,  B32B2250/24 ,  B32B2307/30 ,  B32B2307/306 ,  B32B2307/50 ,  B32B2307/558 ,  B32B2307/714 ,  B32B2597/00 ,  C08G69/265 ,  C08G69/36 ,  C08K3/16 ,  C08L23/0815 ,  C08L77/06 ,  F16L9/133 ,  Y10T428/1352 ,  Y10T428/1393 ,  C08L2666/06

摘要： Multi-layered co-extruded tubes are provided that include an outer layer including a first semiaromatic semicrystalline polyamide having a melt temperature of about 240° C. to 280° C., and a thermal stabilizer; and an inner layer including a second semiaromatic semicrystalline polyamide having a glass transition equal to or greater than 100° C.

公开(公告)号：EP2751206A2

公开(公告)日：2014-07-09

申请号：EP12828880.0

申请日：2012-08-29

申请人： E. I. Du Pont de Nemours and Company

发明人： GAVENONIS, John ,  MATHEW, Annakutty ,  MAURER, Karl Paul ,  YUAN, Shengmei

IPC分类号： C08L77/06 ,  C08L77/08 ,  C08G69/34 ,  C08J5/00 ,  B60B5/02

CPC分类号： C08L23/0815 ,  C08K5/00 ,  C08K7/02 ,  C08L23/08 ,  C08L77/06

摘要： Disclosed is a injection molded composite wheel, including a thermoplastic polyamide composition consisting essentially of (A) 20 to 70 weight percent of at least one polyamide resin including at least one repeat unit selected from the group consisting of the formulas —C(O)(CH2)10C(O)NH(CH2)nNH—  (I), —C(O)(CH2)12C(O)NH(CH2)nNH—  (II), —C(O)(CH2)14C(O)NH(CH2)nNH—  (III), and —C(O)(CH2)16C(O)NH(CH2)nNH—  (IV); wherein n is an integer selected from 4, 6, and 10, and with the proviso that when the polyamide resin has repeat units of formula (I), at least one other repeat unit of formula (II)-(IV) is also present in at least 30 mol % content; (B) 20 to 65 weight percent of one or more fiber reinforcing agents, and (C) 0 to 20 weight percent of one or more polymer impact modifiers.

公开(公告)号：EP3684839A1

公开(公告)日：2020-07-29

申请号：EP18766548.4

申请日：2018-08-30

申请人： DUPONT POLYMERS, INC.

发明人： MATHEW, Annakutty ,  NOZAKI, Masahiro

IPC分类号： C08G69/26 ,  C08L77/06 ,  C08K3/22 ,  C08K3/38