	US 12,312,469 B2
	Composition comprising a compound with two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and article comprising it
Alexandre Vermogen, Pierrebenite (FR); Aline Couffin, Lacq (FR); and Kevin Yocca, King of Prussia, PA (US)
Assigned to Arkema France, Puteaux (FR)
Appl. No. 17/619,271
Filed by Arkema France, Colombes (FR)
PCT Filed Jun. 26, 2020, PCT No. PCT/EP2020/068107 § 371(c)(1), (2) Date Dec. 15, 2021, PCT Pub. No. WO2020/260638, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. FR19.06954 (FR), filed on Jun. 26, 2019.
Prior Publication US 2022/0298336 A1, Sep. 22, 2022
Int. Cl. C08L 9/10 (2006.01); C08F 283/01 (2006.01); C08L 33/12 (2006.01); C08L 51/04 (2006.01)

CPC C08L 9/10 (2013.01) [C08F 283/01 (2013.01); C08L 51/04 (2013.01); C08L 33/12 (2013.01); C08L 2201/50 (2013.01); C08L 2201/52 (2013.01); C08L 2205/03 (2013.01); C08L 2207/53 (2013.01)]

36 Claims

1. A polymeric composition (PC2) comprising:

a) a multistage polymer (MP1) comprising

a1) one stage (A1) comprising a polymer (A1) having a glass transition temperature of less than 10° C.,

a2) one stage (A2) comprising a polymer (A2) having a glass transition temperature of at least 60° C., and

b) a thermoplastic polymer (B1) having a glass transition temperature of at least 30° C., and

c) a polymer (P2) comprising units from a compound (C1) with at least two polymerizable groups (PG1) and (PG2),

wherein polymer (B1) has a mass average molecular weight Mw of between 10,000 g/mol and 500,000 g/mol and that the component b) represents at most 40 wt % of a composition based on a), and b) only and the sum of components a) and b) is between 0.5 phr and 100 phr for 100 phr of component c).