Abstract: Provided is a polyether polyamide composition including 100 parts by mass of a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms, having blended therein from 0.01 to 15 parts by mass of at least one molecular chain extender selected from a carbodiimide compound and a compound containing two or more epoxy groups in a molecule thereof.

Abstract: Provided is a polyether polyamide elastomer not only having excellent melt moldability, crystallinity and flexibility but having heat resistance. The polyether polyamide elastomer includes a diamine constituent unit derived from a polyether diamine compound (A-1) and a xylylenediamine (A-2) and a dicarboxylic acid constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having a carbon number of from 4 to 20.

Abstract: Provided is a polyether polyamide elastomer not only having excellent melt moldability, crystallinity and flexibility but having heat resistance. The polyether polyamide elastomer includes a diamine constituent unit derived from a polyether diamine compound (A-1) and a xylylenediamine (A-2) and a dicarboxylic acid constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having a carbon number of from 4 to 20.

Abstract: Provided is a polyether polyamide fiber including a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms.

Abstract: Provided is a polyether polyamide composition including 100 parts by mass of a polyether polyamide resin in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms, having blended therein from 15 to 200 parts by mass of a filler.

Abstract: Provided is a polyether polyamide composition including a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms and a stabilizer.

Abstract: Provided is a moisture absorbing and releasing material including a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound (A-1) and a xylylenediamine (A-2), and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms, wherein in the case where when held at 23° C. and 80% RH, its coefficient of saturated moisture absorption is defined as 100%, a normalized coefficient of moisture absorption after holding in an environment at 23° C. and 80% RH until a coefficient of moisture absorption reaches a saturated state and then further holding in an environment at 23° C. and 50% RH for 60 minutes is from 1 to 50%.

Abstract: Provided is a polyether polyamide composition including 100 parts by mass of a polyether polyamide in which a diamine constituent unit thereof is derived from a specified polyether diamine compound and a xylylenediamine, and a dicarboxylic acid constituent unit thereof is derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbon atoms, having blended therein from 0.01 to 15 parts by mass of at least one molecular chain extender selected from a carbodiimide compound and a compound containing two or more epoxy groups in a molecule thereof.

Abstract: Provided is a polyether polyamide elastomer including a diamine constituent unit derived from a specified polyether diamine compound and a xylylenediamine and a dicarboxylic acid constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having a carbon number of from 8 to 20.

Abstract: Provided is a polyether polyamide elastomer not only having excellent melt moldability, crystallinity and flexibility but having heat resistance. The polyether polyamide elastomer includes a diamine constituent unit derived from a polyether diamine compound (A-1) and a xylylenediamine (A-2) and a dicarboxylic acid constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having a carbon number of from 4 to 20.

Abstract: Provided is a polyether polyamide elastomer not only having excellent melt moldability, crystallinity and flexibility but having heat resistance. The polyether polyamide elastomer includes a diamine constituent unit derived from a polyether diamine compound (A-1) and a xylylenediamine (A-2) and a dicarboxylic acid constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having a carbon number of from 4 to 20.