	US 12,281,212 B2
	PVC and PVC alloy formulations for use as resins in thermoplastic continuous fiber reinforcement composites and methods of formulating the same
Sean Stabler, Bloomsburg, PA (US); and Nathan Wright, Bloomsburg, PA (US)
Assigned to SEKISUI KYDEX, LLC, Bloomsburg, PA (US)
Filed by SEKISUI KYDEX, LLC, Bloomsburg, PA (US)
Filed on Nov. 29, 2021, as Appl. No. 17/537,453.
Claims priority of provisional application 63/119,441, filed on Nov. 30, 2020.
Prior Publication US 2022/0169805 A1, Jun. 2, 2022
Int. Cl. C08L 33/12 (2006.01); C08J 5/04 (2006.01); C08L 27/06 (2006.01); C08L 27/24 (2006.01)

CPC C08J 5/04 (2013.01) [C08L 27/06 (2013.01); C08L 27/24 (2013.01); C08L 33/12 (2013.01); C08J 2327/06 (2013.01); C08J 2327/24 (2013.01)]

20 Claims

1. A thermoplastic polymer matrix composition for a continuous fiber reinforced thermoplastic composite article, comprising:

100 phr of poly(vinyl chloride) having a k-value of at least about 30 and about 60 or less;

1.5 to 4 phr of one or more tin-based stabilizers or co-stabilizers;

10 to 30 phr of one or more styrene-based or acrylic-based core-shell modifiers;

0.1 to 5 phr of one or more acrylic-based process aids; and

0.5 to 5 phr of one or more polyolefin- or polyester-based lubricants.