High melt temperature soluble semi-crystalline polyamides
Номер патента: EP4172238A1
Опубликовано: 03-05-2023
Автор(ы): Nancy J. Singletary, Tanner GERSCHICK
Принадлежит: Solvay Specialty Polymers USA LLC
Опубликовано: 03-05-2023
Автор(ы): Nancy J. Singletary, Tanner GERSCHICK
Принадлежит: Solvay Specialty Polymers USA LLC
Реферат: The present invention relates to (co)polyamides comprising at least 85 mole % (mol.%) of recurring units (R PA ) of formula (I): (I); the present invention also relates to polymer compositions comprising such (co)polyamides, as well as articles comprising the same and methods of using said articles in high temperature applications requiring sufficient swelling or deformation upon exposure to moisture, such as for example oil and gas extraction processes (e.g. fracturing balls), or as support materials used to print three-dimensional (3D) parts.
Thermoplastic composite material made of a semi-crystalline polyamide and method for manufacturing same
Номер патента: US09752029B2. Автор: Thierry Briffaud,Gilles Hochstetter. Владелец: Arkema France SA. Дата публикации: 2017-09-05.