US 12,077,692 B2
HMPSA incorporating a plasticiser made from a renewable raw material
Christophe Robert, Venette (FR); Amandine Rafaitin, Venette (FR); and Lahoucine Idttalbe, Venette (FR)
Assigned to BOSTIK SA, Colombes (FR)
Appl. No. 17/433,720
Filed by BOSTIK SA, Colombes (FR)
PCT Filed Feb. 13, 2020, PCT No. PCT/FR2020/050270
§ 371(c)(1), (2) Date Aug. 25, 2021,
PCT Pub. No. WO2020/174155, PCT Pub. Date Sep. 3, 2020.
Claims priority of application No. 1902046 (FR), filed on Feb. 28, 2019.
Prior Publication US 2022/0041899 A1, Feb. 10, 2022
Int. Cl. C09J 7/38 (2018.01); C08K 5/00 (2006.01); C08K 5/01 (2006.01); C08L 53/02 (2006.01); C09J 7/29 (2018.01); C09J 7/35 (2018.01); C09J 11/06 (2006.01); C09J 11/08 (2006.01); C09J 153/02 (2006.01)
CPC C09J 7/35 (2018.01) [C08K 5/0016 (2013.01); C08K 5/01 (2013.01); C08L 53/02 (2013.01); C09J 7/29 (2018.01); C09J 7/387 (2018.01); C09J 11/06 (2013.01); C09J 11/08 (2013.01); C09J 153/02 (2013.01); C09J 2301/302 (2020.08); C09J 2301/304 (2020.08); C09J 2301/408 (2020.08); C09J 2301/414 (2020.08); C09J 2453/00 (2013.01); C09J 2483/006 (2013.01); C09J 2491/00 (2013.01); C09J 2493/00 (2013.01)] 14 Claims
 
1. An HMPSA composition which comprises, on the basis of the total weight of said composition:
from 31%-45% by weight of a composition (a1) of styrene block copolymers which comprise at least one elastomer block;
from 40%-55% by weight of one or more tackifying resins (a2); and
from 10%-19% by weight of a plasticizer (a3);
wherein the plasticizer (a3) has a composition (a3) comprising a stand oil (a3-1) of a vegetable oil.