US 12,479,986 B2
Soft and non-sticky or greasy soft touch feel polymer composition
Ting Huang, Shanghai (CN); Weisong Gao, Shanghai (CN); Chaodong Jiang, Shanghai (CN); Yubin Bao, Shanghai (CN); Yunbo Zhang, Shanghai (CN); and Chunfa Li, Shanghai (CN)
Assigned to SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
Appl. No. 17/788,576
Filed by SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom (NL)
PCT Filed Dec. 22, 2020, PCT No. PCT/EP2020/087669
§ 371(c)(1), (2) Date Jun. 23, 2022,
PCT Pub. No. WO2021/130247, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. PCT/CN2019/128493 (WO), filed on Dec. 26, 2019; and application No. 20164008 (EP), filed on Mar. 18, 2020.
Prior Publication US 2023/0044121 A1, Feb. 9, 2023
Int. Cl. C08L 23/12 (2006.01); C08K 3/26 (2006.01); C08L 23/06 (2006.01); C08L 23/0807 (2025.01)
CPC C08L 23/0815 (2013.01) [C08K 3/26 (2013.01); C08K 2003/265 (2013.01); C08L 23/06 (2013.01); C08L 23/12 (2013.01); C08L 2205/025 (2013.01)] 17 Claims
 
1. A polymer composition, comprising:
a polyolefin based elastomer, a polyolefin, and CaCO3;
wherein a total amount of the polyolefin based elastomer, the polyolefin, and CaCO3 is at least 95 wt % based on a total amount of the polymer composition,
wherein an amount of the polyolefin is in a range from 1.2 to 8.1 wt % based on the on a total amount of the polymer composition,
wherein the polyolefin is a polypropylene or a polyethylene,
wherein an amount of the polyolefin based elastomer is in a range from 31 to 73 wt % based on the total amount of the polymer composition,
wherein a weight ratio between CaCO3 and a total amount of the polyolefin and the polyolefin based elastomer is in a range from 0.24 to 1.63, and
wherein a melt flow index (MFI) of the polymer composition is in a range from 3 to 68 dg/min as measured according to ISO1133-1:2011 at 190° C. with a 2.16 kg load.