US 11,945,939 B2
Polypropylene composition comprising glass fibers
Johannes Peter Antonius Martens, Elsloo (NL); Jana Hrachova, Maastricht (NL); Lidia Jasinska-Walc, Eindhoven (NL); Ronald Julianus Peter Schipper, Brunssum (NL); and Robbert Duchateau, Roostenlaan (NL)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 16/768,176
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Dec. 7, 2018, PCT No. PCT/EP2018/083925
§ 371(c)(1), (2) Date May 29, 2020,
PCT Pub. No. WO2019/121061, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 17210365 (EP), filed on Dec. 22, 2017.
Prior Publication US 2020/0308382 A1, Oct. 1, 2020
Int. Cl. C08L 23/12 (2006.01); B29C 65/00 (2006.01); B29C 65/48 (2006.01); B29C 71/04 (2006.01); B29K 23/00 (2006.01); B29K 309/08 (2006.01); B29L 31/30 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01); B62D 25/14 (2006.01); B62D 29/04 (2006.01); B62D 33/023 (2006.01); E05B 85/10 (2014.01)
CPC C08L 23/12 (2013.01) [B29C 65/48 (2013.01); B29C 66/7212 (2013.01); B29C 71/04 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); B62D 25/14 (2013.01); B62D 29/043 (2013.01); B62D 33/023 (2013.01); E05B 85/10 (2013.01); B29K 2023/12 (2013.01); B29K 2309/08 (2013.01); B29L 2031/3005 (2013.01); B32B 2262/101 (2013.01); B32B 2605/08 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01)] 23 Claims
 
1. A composition comprising
a) a propylene homopolymer and/or a propylene copolymer consisting of at least 70.0 wt % of propylene monomer units and at most 30.0 wt % of comonomer units selected from ethylene monomer units and α-olefin monomer units having 4 to 10 carbon atoms,
b) an optional ethylene-α-olefin copolymer,
c) glass fibers and
d) a reaction product of d1) a functionalized polypropylene and d2) a polyetheramine, wherein the total amount of a) and b) is 10.0 to 80.0 wt % with respect to the total composition,
the amount of c) is 5.0 to 50.0 wt % with respect to the total composition,
the amount of d1) is greater than or equal to 39.39 wt % and less than or equal to 45 wt %, with respect to the total composition,
the amount of d2) is at least 5 wt % with respect to the total composition and the weight ratio of d2) to d1) is 0.25 to 1.00,
wherein the composition comprises a heterophasic propylene copolymer consisting of a1) a matrix and b1) a dispersed phase, wherein a) comprises a1) and b) comprises b1).