Solvay Advanced Polymers, LLC

Solvay Specialty Polymers Usa, LLC

James K Doty

Corinne Bushelman

Gregory Warkoski

Jean De Canniere

Bruce Howard Bersted

Johan Billiet

Claude Dehennau

Alice Weimin Liu

Marie-Paule Collard

Bruce H Bersted

Bruce Bersted

Gregory Warkowski

Multilayer structure comprising at least one couple (L-L) of adjacent layers (L) and (L), wherein: Process for manufacturing such multilayer structure, which comprises co-extruding or co-blowmolding polymer compositions (C) and (C) so as to obtain one couple (L-L) of adjacent layers (L) and (L). Shaped article comprising such multilayer structure and process for manufacturing the shaped article.

Multilayer polymer structure

Method for making a hollow body comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition through a die.

Method for making a polyamide hollow body

Multilayer Polymer Structure Multilayer structure comprising at least one couple (L1-L2) of adjacent layers (L1) and (L2), wherein layer (L1) comprises at least one polymer composition (C1) comprising a grafted fluoropolymer material (M1) consisting of N1 grafted fluoropolymer(s) (P1), said polymer(s) (P1) obtained by a process comprising grafting onto an ungrafted fluoropolymer (U1) at least one grafting agent (G1) chosen from ethylenically unsaturated carboxy acids, their esters, their anhydrides and their salts, layer (L2) comprises at least one polymer composition (C2) comprising at least one impact modifier (I2) and a semi-crystalline aromatic polyamide material (M2) consisting of N2 semi-crystalline aromatic polyamide polymer(s) (P2), and the average melting temperature (T) of material (M1) differs by at most 45&#xb0; C. from the average melting temperature (T) of material (M2), Nbeing the number of polymer(s) (Pj) of material (Mj), Nj&#x3e;1, Tbeing equal to formula (T) wbeing the weight amount of the ipolymer (Pj) of material (Mj), Tbeing the melting temperature of the ipolymer (Pj) of material (Mj), Wbeing the total weight amount of material (Mj), for j=1 and for j=2. Process for manufacturing the above multilayer structure, which comprises co-extruding polymer compositions (C1) and (C2), so as to obtain couple (L1-L2) of adjacent layers (T1) and (T2). Shaped article comprising the above multilayer structure, and process for manufacturing it. 

Films made from impact-modified polyamide.

Impact-modified polyamide film

Hollow bodies made from impact-modified polyamide. Fuel line hoses for both liquid fuel delivery and fuel vapor recovery.

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Alpharetta, GA, United States of America

James K Doty