Global Patent Index - EP 2970661 A4

EP 2970661 A4 20161012 - FLAME RETARDANT POLYCARBONATE

Title (en)

FLAME RETARDANT POLYCARBONATE

Title (de)

FLAMMHEMMENDES POLYCARBONAT

Title (fr)

POLYCARBONATE RETARDATEUR DE FLAMME

Publication

EP 2970661 A4 20161012 (EN)

Application

EP 14779330 A 20140305

Priority

  • US 201361775806 P 20130311
  • US 201313936383 A 20130708
  • US 2014020515 W 20140305

Abstract (en)

[origin: WO2014164096A1] The present invention provides a thermoplastic molding composition comprising A) 60 to 99 percent by weight (pbw) aromatic poly(ester) carbonate having a weight-average molecular weight of at least 25,000, B) 1 to 20 parts per 100 parts resin (phr) graft (co)polymer having a core-shell morphology, comprising a grafted shell that contains poliymerized alkyl(meth)acrylate and a composite rubber core that contains interpenetrated and inseparable polyorganosiloxane and poly(meth)alkyl acrylate where the weight ratio of polyorganosiloxane/poly(meth)alkylacrylate/ grafted shell is 70-90/5-15/5-15, C) 2 to 20 phr phosphorus-containing compound, and D) 0.1 to 15 phr boron compound having average particle diameter of 2 to 10 microns.

IPC 8 full level

C08L 69/00 (2006.01); C08K 3/38 (2006.01); C08K 5/521 (2006.01); C08L 51/04 (2006.01); C08K 5/523 (2006.01)

CPC (source: EP)

C08K 3/38 (2013.01); C08L 51/085 (2013.01); C08L 69/00 (2013.01); C08K 5/523 (2013.01)

C-Set (source: EP)

C08L 69/00 + C08K 3/38 + C08K 5/523 + C08L 51/085

Citation (search report)

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

DOCDB simple family (publication)

WO 2014164096 A1 20141009; CN 105246975 A 20160113; EP 2970661 A1 20160120; EP 2970661 A4 20161012; KR 20150126848 A 20151113

DOCDB simple family (application)

US 2014020515 W 20140305; CN 201480013691 A 20140305; EP 14779330 A 20140305; KR 20157024472 A 20140305