Abstract: Disclosed is a thermoplastic polymer composition of polyamide including: A) polyamide composition comprising, a) 55-90 weight percent semi-crystalline, semi-aromatic co-polyamide, and b) 10-45 weight percent aliphatic homo-polyamide; B) 5-40 weight percent of co-grafted polymeric toughener; wherein the co-grafted polymeric toughener is a co-grafted blend of polyolefins with at least two glass transition temperatures and obtained from the blend of polyolefins and a reactive monomer; C) 0-15 weight percent one or more plasticizers; D) 0-2.5 weight percent one or more antioxidants and or a heat stabilizer; E) 0 to 5 weight percent of additives selected from the group consisting of flame retardant, UV stabilizer, light stabilizer, thermal stabilizer, lubricant, colorant or the like. Further disclosed herein is a process for providing the composition and its application.

Abstract: Novel polyamide-metal laminates which have desirable hydrolysis resistance are provided. The laminates comprise (A) a metal, (B) a tie layer, and (C) a polyamide composition. The tie layer is formed from a composition containing (B1) a polymer containing a comonomer having at least two adjacent carboxylic acid groups and (B2) an amino-silane containing a primary amine and at least one hydroxyl group.

Abstract: The disclosure generally relates to filaments and in particular, filaments for use in fused filament fabrication to prepare 3D printed articles. The filaments comprising a polymer composition, said polymer composition comprising: a) about 5 wt. % to about 60 wt. % of a thermoplastic polymer A having a melting peak temperature greater than 40° C.; b) about 95 wt. % to about 40 wt. % of a thermoplastic polymer B having a melting peak temperature greater than 20° C.; c) optionally from about 0.1 to 3 wt. % of a viscosity modifier; wherein: the melting peak temperature of thermoplastic polymer A is at least 20° C. greater than the melting peak temperature of thermoplastic polymer B; thermoplastic polymer A is dispersed in thermoplastic polymer B; and the polymer composition has a melt index of at least 0.

Abstract: Provided herein is a fluid duct 2 comprising a tubular base wall 11 surrounding a duct channel and at least one bellows 10 formed along a section of the tubular base wall 11. The bellows 10 comprises a plurality of convolutes 12 having a profile 14 projecting radially from the base wall 11. At least one convolute 12 wraps around the duct channel at a wrap-around angle ? of between 180° and 720° from a first end 22a to a second end 22b of the convolute 12, said second end 22b being offset in a flow direction F parallel to a centerline C of the duct channel by a non-zero offset distance D from the first end 22a.

Abstract: Provided herein is a fluid duct 2 comprising a tubular base wall 11 surrounding a duct channel and at least one bellows 10 formed along a section of the tubular base wall 11. The bellows 10 comprises a plurality of convolutes 12 having a profile 14 projecting radially from the base wall 11. At least one convolute 12 wraps around the duct channel at a wrap-around angle ? of between 180° and 720° from a first end 22a to a second end 22b of the convolute 12, said second end 22b being offset in a flow direction F parallel to a centerline C of the duct channel by a non-zero offset distance D from the first end 22a.

Abstract: The disclosure generally relates to filaments and in particular, filaments for use in fused filament fabrication to prepare 3D printed articles. The filaments may be prepared from a polymer composition comprising: A) 55 to 95 weight percent semi-aromatic copolyamide having a melting point; and B) 5 to 45 weight percent amorphous copolyamide having a melting point.

Abstract: Disclosed herein are electrically conductive thermoplastic polyester compositions comprising: a) at least one thermoplastic polyester; b) conductive carbon black; c) at least one ethylene copolymer based impact modifier; and d) at least one hyperbranched polyester having an acid number of about 80-340 mg KOH/g.

Abstract: Curing fluoroelastomers using curing agents of formula, R1N?CR2R3, wherein R1 is H; R2 is selected from the group consisting of H, NH2, and NR4R5; R3 is selected from the group consisting of Ph, SO2H, NR6R7, 2-pyridine, and CH2CONH2; R4 is H; R5 is selected from the group consisting of Ph, NH2, and CN; R6 is selected from the group consisting of H, NHPh, CCONH2, C1 to C8 linear alkyl group, and C1 to C8 branched alkyl group; and R7 is selected from the group consisting of Ph, COOC(CH3)3, NH2, CH2COOH, CSNH2, CNHNH3+Cl?, p-phenylCN, COPh,

Abstract: Disclosed is a thermoplastic polymer composition of polyamide including: A) polyamide composition comprising, a) 55-90 weight percent semi-crystalline, semi-aromatic co-polyamide, and b) 10-45 weight percent aliphatic homo-polyamide; B) 5-40 weight percent of co-grafted polymeric toughener wherein the co-grafted polymeric toughener is a co-grafted blend of polyolefins with at least two glass transition temperatures and obtained from the blend of polyolefins and a reactive monomer; C) 0-15 weight percent one or more plasticizers; D) 0-2.5 weight percent one or more antioxidants and or a heat stabilizer; E) 0 to 5 weight percent of additives selected from the group consisting of flame retardant, UV stabilizer, light stabilizer, thermal stabilizer, lubricant, colorant or the like. Further disclosed herein is a process for providing the composition and its application.

Abstract: Curing fluoroelastomers using curing agents of formula, R1N?CR2R3, wherein R1 is H; R2 is selected from the group consisting of H, NH2, and NR4R5; R3 is selected from the group consisting of Ph, SO2H, NR6R7, 2-pyridine, and CH2CONH2; R4 is H; R5 is selected from the group consisting of Ph, NH2, and CN; R6 is selected from the group consisting of H, NHPh, CCONH2, C1 to C8 linear alkyl group, and C1 to C8 branched alkyl group; and R7 is selected from the group consisting of Ph, COOC(CH3)3, NH2, CH2COOH, CSNH2, CNHNH3+Cl?, p-phenylCN, COPh,