	US 11,939,469 B2
	Thermoplastic molding material
Patrick Spies, Ludwigshafen (DE); Jasmina Simon, Ludwigshafen (DE); Sebastian Allinger, Ludwigshafen (DE); and Martin Weber, Ludwigshafen (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/258,556
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Aug. 12, 2019, PCT No. PCT/EP2019/071608 § 371(c)(1), (2) Date Jan. 7, 2021, PCT Pub. No. WO2020/035455, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 18189401 (EP), filed on Aug. 16, 2018.
Prior Publication US 2021/0269640 A1, Sep. 2, 2021
Int. Cl. C08L 77/02 (2006.01); C08F 220/18 (2006.01); C08F 222/06 (2006.01); C08G 69/36 (2006.01); C08K 7/14 (2006.01); C08L 23/08 (2006.01); C08L 23/16 (2006.01); C08L 51/00 (2006.01); C08L 51/06 (2006.01); C08L 77/08 (2006.01)

CPC C08L 77/02 (2013.01) [C08F 220/1804 (2020.02); C08F 222/06 (2013.01); C08G 69/36 (2013.01); C08K 7/14 (2013.01); C08L 23/0815 (2013.01); C08L 23/0869 (2013.01); C08L 23/16 (2013.01); C08L 51/003 (2013.01); C08L 51/06 (2013.01); C08L 77/08 (2013.01); C08L 2203/12 (2013.01); C08L 2203/16 (2013.01); C08L 2203/30 (2013.01); C08L 2205/02 (2013.01); C08L 2205/035 (2013.01)]

12 Claims

1. A method of using copolyamides c) produced by polymerization of components

A′) 15% to 84% by weight of at least one lactam, and

B′) 16% to 85% by weight of a monomer mixture (M) comprising components

B1′) at least one C₃₂-C₄₀-dimer acid and

B2′) at least one C₄-C₁₂-diamine,

wherein the percentages by weight of the components A′) and B′) are in each case based on the sum of the percentages by weight of the components A′) and B′),

the method comprising using the copolyamides c) to increase an impact strength and/or breaking elongation of molded articles made of thermoplastic molding materials comprising thermoplastic polyamides, which are different from copolyamides c),

wherein the thermoplastic molding materials comprise

a) 44.0 to 98.8% by weight of at least one thermoplastic polyamide which is different from copolyamide c) as component A),

b) 1.0 to 50.0% by weight of at least one elastomer as component B), selected from the group consisting of

b1) copolymers of ethylene with at least one comonomer selected from the group consisting of

C_3-12-olefins, C_1-12-alkyl (meth)acrylates, (meth)acrylic acid and maleic anhydride as component B1), and

b2) polyethylene or polypropylene as component B2), grafted with maleic anhydride,

wherein component B1) is optionally additionally grafted with maleic anhydride,

c) 0.2% to 10% by weight of at least one copolyamide c) as component C),

d) 0% to 60% by weight of glass fibers as component D), and

e) 0% to 30% by weight of further additives and processing aids as component

wherein the weight percentages for the components A) to E) sum to 100% by weight.