US 12,077,476 B2
High emissivity coating composition and substrate coated therewith
Somkeat Suebthawilkul, Saraburi (TH); Kanokon Thongrod, Saraburi (TH); Thanapong Prasertphol, Saraburi (TH); Teewin Tuaprakone, Saraburi (TH); Jaturong Jitputti, Bangkok (TH); and Koichi Fukuda, Tokyo (JP)
Assigned to SCG Chemicals Co., Ltd., Bangkok (TH); and The Siam Refractory Industry Co., Ltd., Bangkok (TH)
Appl. No. 17/264,433
Filed by SCG Chemicals Co., Ltd., Bangkok (TH); and The Siam Refractory Industry Co., Ltd., Bangkok (TH)
PCT Filed Jul. 30, 2019, PCT No. PCT/EP2019/070464
§ 371(c)(1), (2) Date Jan. 29, 2021,
PCT Pub. No. WO2020/025601, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 10201806558T (SG), filed on Aug. 1, 2018.
Prior Publication US 2021/0309574 A1, Oct. 7, 2021
Int. Cl. C04B 28/34 (2006.01); C04B 14/30 (2006.01); C09K 5/14 (2006.01); C04B 111/00 (2006.01)
CPC C04B 28/342 (2013.01) [C04B 14/305 (2013.01); C04B 14/307 (2013.01); C09K 5/14 (2013.01); C04B 2111/00163 (2013.01); C04B 2111/00551 (2013.01); C04B 2201/32 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A thermal emissivity coating composition comprising:
a) an emissivity agent in an amount from 30 to 65% by weight with respect to the total weight of the thermal emissivity coating composition;
b) a filler selected from the group consisting of oxides of aluminum, silicon, magnesium, calcium, boron and mixtures of two or more thereof, in an amount from 10 to 35 wt % with respect to the total weight of the thermal emissivity coating composition; and
c) a binder in an amount from 12 to 52 wt % with respect to the total weight of the thermal emissivity coating composition;
wherein the emissivity agent comprises cobalt oxide in an amount from 10 to 25 wt % with respect to the total weight of the thermal emissivity coating composition and further comprises chromium oxide and titanium oxide.