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1. WO2021064579 - FLAME RETARDANT POLYCARBONATE COMPOSITIONS AND THIN-WALL ARTICLES MADE THEREFROM

Publication Number WO/2021/064579
Publication Date 08.04.2021
International Application No. PCT/IB2020/059120
International Filing Date 30.09.2020
IPC
C08L 69/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
69Compositions of polycarbonates; Compositions of derivatives of polycarbonates
CPC
C08L 2201/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2201Properties
02Flame or fire retardant/resistant
C08L 2201/08
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2201Properties
08Stabilised against heat, light or radiation or oxydation
C08L 2205/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2205Polymer mixtures characterised by other features
02containing two or more polymers of the same C08L -group
C08L 2205/025
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2205Polymer mixtures characterised by other features
02containing two or more polymers of the same C08L -group
025containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
C08L 69/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
69Compositions of polycarbonates; Compositions of derivatives of polycarbonates
Applicants
  • SHPP GLOBAL TECHNOLOGIES B.V. [NL]/[NL]
Inventors
  • MICCICHE, Fabrizio
  • FABER, Reimo Mollerus
  • VAN DER MEE, Mark Adrianus Johannes
  • VAN DE GRAMPEL, Robert Dirk
  • FARRELL, Tony
Priority Data
62/908,09630.09.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FLAME RETARDANT POLYCARBONATE COMPOSITIONS AND THIN-WALL ARTICLES MADE THEREFROM
(FR) COMPOSITION DE POLYCARBONATE IGNIFUGE ET ARTICLES À PAROIS MINCES FABRIQUÉS À PARTIR DE CELLE-CI
Abstract
(EN)
A flame retardant composition comprising: 34-94 wt% of a homopolycarbonate, acopolycarbonate, or a combination thereof; 5-85 wt% poly(carbonate-siloxane), in an amounteffective to provide 2-6 wt% dimethyl siloxane; 0.05-0.6 wt%, preferably 0.2-0.4 wt%, of a C1-16alkyl sulfonate salt flame retardant; 1-15 wt% of a mineral-filled silicone flame retardantsynergist; 0.05-0.5 wt% of an anti-drip agent; wherein each amount is based on the total weightof the flame retardant composition, which sums to 100 wt%; and wherein a molded sample ofthe flame retardant composition has a Vicat softening temperature of greater than or equal to140°C as measured according to the ISO-306 standard at a load of 10 N and a heating rate of50°C per hour, and a flame test rating of V0 as measured according to UL-94 at a thickness of 1.0 millimeter, or at a thickness of 0.8 millimeter.
(FR)
L'invention concerne une composition ignifuge comprenant : de 34 à 94 % en poids d'un homopolycarbonate, d'un acopolycarbonate, ou d'une combinaison de ceux-ci ; de 5 à 85 % en poids de poly(carbonate-siloxane), en une quantité efficace pour fournir de 2 à 6 % en poids de diméthyl siloxane ; de 0,05 à 0,6 % en poids, de préférence de 0,2 à 0,4 % en poids, d'un agent ignifuge à base de sel de sulfonate d'alkyle en C1-16 ; de 1 à 15 % en poids d'un synergiste ignifuge à base de silicone chargé de minéraux ; de 0,05 à 0,5 % en poids d'un agent anti-goutte ; chaque quantité étant basée sur le poids total de la composition ignifuge, ce qui atteint 100 % en poids ; et un échantillon moulé de la composition ignifuge ayant une température de ramollissement Vicat supérieure ou égale à 140 °C telle que mesurée selon la norme ISO-306 à une charge de 10 N et une vitesse de chauffage de 50 °C par heure, et un indice d'essai à la flamme de V0 tel que mesuré selon UL-94 à une épaisseur de 1,0 millimètre, ou à une épaisseur de 0,8 millimètre.
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