US 12,012,692 B2
Waterborne sizing composition for treating natural fibers and a process to treat natural fibers by said composition
Takul Losiriwat, Bangkok (TH); and Anucha Euapermkiati, Bangkok (TH)
Assigned to PTT Global Chemical Public Company Limited, Chatuchak Bangkok (TH)
Appl. No. 16/973,018
Filed by PTT Global Chemical Public Company Limited, Bangkok (TH)
PCT Filed Jun. 7, 2019, PCT No. PCT/TH2019/000018
§ 371(c)(1), (2) Date Dec. 7, 2020,
PCT Pub. No. WO2019/240672, PCT Pub. Date Dec. 19, 2019.
Claims priority of application No. 1801003425 (TH), filed on Jun. 11, 2018.
Prior Publication US 2021/0246607 A1, Aug. 12, 2021
Int. Cl. D06M 13/50 (2006.01); C08J 5/04 (2006.01); C08J 5/06 (2006.01); C08J 5/10 (2006.01); C08K 5/00 (2006.01); C08K 5/07 (2006.01); D06M 13/123 (2006.01); D06M 16/00 (2006.01); D06M 101/06 (2006.01)
CPC D06M 13/123 (2013.01) [C08J 5/045 (2013.01); C08J 5/06 (2013.01); C08J 5/10 (2013.01); C08K 5/0058 (2013.01); C08K 5/0091 (2013.01); C08K 5/07 (2013.01); D06M 13/50 (2013.01); D06M 16/00 (2013.01); C08J 2453/00 (2013.01); D06M 2101/06 (2013.01)] 9 Claims
 
1. A waterborne sizing composition for treating natural fibers used as reinforcing material in thermoplastic, comprising:
(a) a polymeric material having a structure (I)

OG Complex Work Unit Chemistry
wherein,
R represents an alkyl group,
X represents a reversible covalently bonded crosslinkable group,
p, q, and r represent order on main polymer chain, wherein the total sum of order is greater than 50;
(b) a water-soluble metal complex having an antimicrobial property; and
(c) a redox active water-soluble compound.