(19)
(11)EP 1 394 206 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
19.05.2004 Bulletin 2004/21

(43)Date of publication A2:
03.03.2004 Bulletin 2004/10

(21)Application number: 03255017.0

(22)Date of filing:  13.08.2003
(51)Int. Cl.7C08L 27/24
// (C08L27/24, 33:06, 51:04),(C08L27/24, 33:06, 51:04, 55:02),(C08L27/24, 51:04, 55:02)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30)Priority: 26.08.2002 US 406026 P

(71)Applicant: ROHM AND HAAS COMPANY
Philadelphia, Pennsylvania 19106-2399 (US)

(72)Inventor:
  • Chirgott, Paul Steve
    Strongsville, Ohio 44136 (US)

(74)Representative: Kent, Venetia Katherine 
Rohm and Haas (UK) Ltd European Operations Patent Dept. Lennig House 2 Mason's Avenue
Croydon, CR9 3NB
Croydon, CR9 3NB (GB)

  


(54)Chlorinated vinyl chloride resin compositions


(57) The invention provides novel chlorinated vinyl chloride resins including a chlorinated vinyl chloride resin component and an impact modifier component. In one embodiment, the chlorinated vinyl chloride resin compositions includes: 100 parts by weight of a chlorinated vinyl chloride resin having a combined chlorine content of 62 to 70 wt.%, and an impact modifier component which consists essentially of one of the following blends: a blend including an ABS resin and an acrylic modifier resin, or a blend including an ABS resin and an MBS resin. In this embodiment, at least one of the following must exist:
In another embodiment, the chlorinated vinyl chloride resin composition includes: 100 parts by weight of a chlorinated vinyl chloride resin having a combined chlorine content of 62 to 70 wt.%, and an impact modifier component which consists essentially of one of the following blends: a blend including an MBS resin and an acrylic modifier, or a blend including an MBS resin, an acrylic modifier, and an ABS resin.