	US 11,938,673 B2
	Material extrusion 3-D printing on compatible thermoplastic film
David Shin-Ren Liu, Bala Cynwyd, PA (US); Camille Khadraoui, Caen (FR); and Mark A. Aubart, West Chester, PA (US)
Assigned to ARKEMA INC., King of Prussia, PA (US)
Appl. No. 16/650,978
Filed by Arkema Inc., King of Prussia, PA (US)
PCT Filed Sep. 28, 2018, PCT No. PCT/US2018/053348 § 371(c)(1), (2) Date Mar. 26, 2020, PCT Pub. No. WO2019/067857, PCT Pub. Date Apr. 4, 2019.
Claims priority of provisional application 62/565,500, filed on Sep. 29, 2017.
Prior Publication US 2020/0282635 A1, Sep. 10, 2020
Int. Cl. B29C 64/106 (2017.01); B29C 70/78 (2006.01); B29C 64/393 (2017.01); B33Y 10/00 (2015.01); B33Y 50/02 (2015.01); B33Y 70/10 (2020.01)

CPC B29C 64/106 (2017.08) [B29C 70/78 (2013.01); B29C 64/393 (2017.08); B33Y 10/00 (2014.12); B33Y 50/02 (2014.12); B33Y 70/10 (2020.01)]

10 Claims

1. A polymer composite article comprising:

a) a polymer article made by a 3D printing process comprising a crystalline or semi-crystalline polymer,

b) a polymer film having a thickness ranging from 30 μm to 10 cm adhered to said polymer article, between the article and a base plate of a 3-D printer; wherein said film is miscible, compatible, or semi-compatible with said article, wherein said film has a Tg lower than 50° C. below the printing temperature.