EP 4363191 A1 20240508 - BLOW MOLDING COMPOSITIONS BASED ON BRANCHED POLYAMIDES AND USES THEREOF
Title (en)
BLOW MOLDING COMPOSITIONS BASED ON BRANCHED POLYAMIDES AND USES THEREOF
Title (de)
BLASFORMZUSAMMENSETZUNGEN AUF BASIS VON VERZWEIGTEN POLYAMIDEN UND VERWENDUNGEN DAVON
Title (fr)
COMPOSITIONS DE SOUFFLAGE MOULAGE A BASE DE POLYAMIDES BRANCHES ET LEURS UTILISATIONS
Publication
Application
Priority
- FR 2106906 A 20210628
- FR 2022051246 W 20220624
Abstract (en)
[origin: CA3221469A1] The present invention relates to a blow-molding or extrusion composition, especially for blow molding, the composition comprising by weight: (a)from 88 to 99.95%, especially from 89 to 99.9%, more especially from 93 to 99.9% of at least one semi-crystalline aliphatic polyamide having a carbon number per nitrogen atom greater than or equal to 7, especially greater than or equal to 8; (b)from 0.05% to 10%, especially from 0.1 to 9%, more especially from 0.1 to 5% by weight of at least one branching agent selected from among the polyepoxies, polyanhydrides and polyisocyanates, especially the maleic polyanhydrides and the polyepoxies; (c)from 0 to 2%, especially from 0.1 to 2% of at least one additive; the composition having, after compounding, a melt viscosity from 10,000 to 300,000 Pa·s, preferably from 15,000 to 220,000 Pa·s, as measured in plane-to-plane geometry according to the standard ISO 6721-10:2015 at a temperature of 250°C, a frequency of 0.292 rad/s and a deformation of 2%, the sum of the components (a) + (b) + (c) being 100% by weight.
IPC 8 full level
B29C 49/02 (2006.01); B32B 1/08 (2006.01); B32B 5/02 (2006.01); B32B 27/12 (2006.01); B32B 27/18 (2006.01); B32B 27/34 (2006.01); C08G 69/14 (2006.01); C08G 69/36 (2006.01); C08K 5/151 (2006.01); C08L 37/00 (2006.01); C08L 77/00 (2006.01); C08L 77/02 (2006.01); C08L 77/06 (2006.01)
CPC (source: EP)
B29C 49/02 (2013.01); B32B 1/08 (2013.01); B32B 27/12 (2013.01); B32B 27/18 (2013.01); B32B 27/34 (2013.01); C08G 69/14 (2013.01); C08G 69/36 (2013.01); C08K 5/151 (2013.01); C08L 37/00 (2013.01); C08L 77/00 (2013.01); C08L 77/02 (2013.01); C08L 77/06 (2013.01); B32B 5/024 (2013.01); B32B 2307/704 (2013.01); B32B 2597/00 (2013.01)
C-Set (source: EP)
Citation (search report)
See references of WO 2023275463A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
FR 3124516 A1 20221230; CA 3221469 A1 20230105; CN 117580700 A 20240220; EP 4363191 A1 20240508; JP 2024524894 A 20240709; KR 20240026512 A 20240228; MX 2023014617 A 20240130; WO 2023275463 A1 20230105
DOCDB simple family (application)
FR 2106906 A 20210628; CA 3221469 A 20220624; CN 202280046268 A 20220624; EP 22743850 A 20220624; FR 2022051246 W 20220624; JP 2023576341 A 20220624; KR 20247003253 A 20220624; MX 2023014617 A 20220624