US 12,065,570 B2
Eco-friendly synthetic wood containing coffee grounds and manufacturing method thereof
Jae Soon Hwang, Yangju-si (KR)
Assigned to DONG HA, Pocheon-si (KR)
Filed by DONG HA, Pocheon-si (KR)
Filed on May 16, 2022, as Appl. No. 17/745,335.
Prior Publication US 2023/0365810 A1, Nov. 16, 2023
Int. Cl. C08L 97/02 (2006.01); C08J 3/20 (2006.01); C08L 67/02 (2006.01); B29B 9/06 (2006.01); B29K 67/00 (2006.01); B29K 105/00 (2006.01); B29K 105/16 (2006.01); B29K 509/00 (2006.01); B29K 511/14 (2006.01)
CPC C08L 97/02 (2013.01) [C08J 3/203 (2013.01); C08L 67/02 (2013.01); B29B 9/06 (2013.01); B29K 2067/003 (2013.01); B29K 2105/0032 (2013.01); B29K 2105/16 (2013.01); B29K 2509/00 (2013.01); B29K 2511/14 (2013.01); C08J 2367/02 (2013.01); C08J 2397/02 (2013.01); C08J 2423/06 (2013.01); C08J 2467/02 (2013.01); C08J 2497/02 (2013.01); C08J 2499/00 (2013.01); C08L 2205/035 (2013.01); C08L 2205/06 (2013.01); C08L 2205/16 (2013.01); C08L 2207/20 (2013.01)] 4 Claims
 
1. Eco-friendly synthetic wood containing coffee grounds, the synthetic wood comprising:
coffee grounds;
for 100 parts by weight of the coffee grounds,
250 to 550 parts by weight of wood fiber;
120 to 300 parts by weight of polyethylene terephthalate glycol (PETG);
20 to 100 parts by weight of waste gypsum;
5 to 15 parts by weight of a polyethylene (PE)-based lubricant; and
5 to 15 parts by weight of an inorganic pigment.