公开(公告)号：US20200255662A1

公开(公告)日：2020-08-13

申请号：US16788948

申请日：2020-02-12

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling

IPC: C08L77/06 ,  C08K7/14 ,  C08K5/098

Abstract: A hydrolysis resistant polyamide composition comprising from 50 wt % to 80 wt % polyamide polymer having a theoretical amine end group content of at least 55 μeq/gram; and from 25 wt % to 60 wt % glass fibers. The weight ratio of polyamide polymer to glass fibers ranges from 0.5:1 to 4.0:1. The polyamide composition comprises less than 0.06 wt % copper; and/or from 1 ppb to 0.24 wt % non-copper metal halide compound. The polyamide composition, when hydrolysis aged for 500 hours at 130° C., demonstrates an impact resilience greater than 40 kJ/m2, as measured at 23° C.

公开(公告)号：US20190300709A1

公开(公告)日：2019-10-03

申请号：US16369736

申请日：2019-03-29

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling ,  Nanayakkara L. SOMASIRI

IPC: C08L77/06 ,  C08K3/014 ,  C08K3/22 ,  C08K5/00 ,  C08K5/09 ,  C08L77/02

Abstract: A heat-stabilized polyamide composition comprising from 25 wt % to 90 wt %% of an amide polymer from 0.01 wt % to 10 wt % of a cerium-based heat stabilizer, a second heat stabilizer, a halide additive, and less than 0.3 wt % of a stearate additive. A weight ratio of halide additive to stearate additive is less than 45.0.

公开(公告)号：US11485858B2

公开(公告)日：2022-11-01

申请号：US16778420

申请日：2020-01-31

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling ,  Kai Becker ,  Tariq Oweimreen

IPC: C08L77/06 ,  C08K5/09 ,  C08K7/14 ,  C08K5/3465 ,  C08L51/06

Abstract: An impact-modified polyamide composition comprising from 5 wt % to 85 wt % of polyamide polymer; from 10 wt % to 60 wt % glass fiber; from 3 wt % to 30 wt % of an impact modifier; and a melt stabilizer at a concentration less than 5 wt %; wherein the weight ratio of the impact modifier to the melt stabilizer ranges from 1.0:1 to 100:1; and wherein the polyamide composition demonstrates an un-notched Charpy impact energy loss at 23° C. that is greater than 80 kJ/m2 and a tensile strength greater than 135 MPa.

公开(公告)号：US20200247993A1

公开(公告)日：2020-08-06

申请号：US16778420

申请日：2020-01-31

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling ,  Kai Becker ,  Tariq Oweimreen

IPC: C08L77/06

Abstract: An impact-modified polyamide composition comprising from 5 wt % to 85 wt % of polyamide polymer; from 10 wt % to 60 wt % glass fiber; from 3 wt % to 30 wt % of an impact modifier; and a melt stabilizer at a concentration less than 5 wt %; wherein the weight ratio of the impact modifier to the melt stabilizer ranges from 1.0:1 to 100:1; and wherein the polyamide composition demonstrates an un-notched Charpy impact energy loss at 23° C. that is greater than 80 kJ/m2 and a tensile strength greater than 135 MPa.

公开(公告)号：US11459458B2

公开(公告)日：2022-10-04

申请号：US16788948

申请日：2020-02-12

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling

IPC: C08L77/06 ,  C08K5/098 ,  C08K7/14

Abstract: A hydrolysis resistant polyamide composition comprising from 50 wt % to 80 wt % polyamide polymer having a theoretical amine end group content of at least 55 μeq/gram; and from 25 wt % to 60 wt % glass fibers. The weight ratio of polyamide polymer to glass fibers ranges from 0.5:1 to 4.0:1. The polyamide composition comprises less than 0.06 wt % copper; and/or from 1 ppb to 0.24 wt % non-copper metal halide compound. The polyamide composition, when hydrolysis aged for 500 hours at 130° C., demonstrates an impact resilience greater than 40 kJ/m2, as measured at 23° C.

公开(公告)号：US20200247994A1

公开(公告)日：2020-08-06

申请号：US16783582

申请日：2020-02-06

Applicant: Ascend Performance Materials Operations LLC

Inventor： Bradley J. Sparks ,  Ryan M. Hensarling

IPC: C08L77/06 ,  C08K7/14 ,  C08K3/22 ,  C08K3/04 ,  C08K5/00 ,  C08K5/07 ,  C08K5/56

Abstract: A heat-stabilized polyamide composition comprising from 25 wt % to 99 wt % of an amide polymer having an amine end group level greater than 50 μeq/gram; a first stabilizer comprising a lanthanoid-based compound; a second stabilizer; and from 0 wt % to 65 wt % filler; wherein, when heat aged for 3000 hours over a temperature range of from 190° C. to 220° C., the polyamide composition demonstrates a tensile strength retention of greater than 51%, as measured at 23° C.