	US 11,718,563 B2
	Polymer cement-granite composite tomb box and method for making same
Guirong Yang, Shanghai (CN)
Assigned to Shanghai Yangyi Garden Group Co., Ltd., Shanghai (CN)
Filed by Shanghai Yangyi Garden Group Co., Ltd., Shanghai (CN)
Filed on Nov. 29, 2019, as Appl. No. 16/699,436.
Claims priority of application No. 201910163678.4 (CN), filed on Mar. 5, 2019.
Prior Publication US 2020/0283339 A1, Sep. 10, 2020
Int. Cl. C04B 28/06 (2006.01); C04B 14/06 (2006.01); C04B 14/28 (2006.01); C04B 24/26 (2006.01); C04B 24/38 (2006.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/65 (2006.01); E04H 13/00 (2006.01); B28B 1/14 (2006.01); C04B 103/32 (2006.01); C04B 103/50 (2006.01); C04B 103/60 (2006.01); C04B 111/54 (2006.01)

CPC C04B 28/06 (2013.01) [C04B 14/06 (2013.01); C04B 14/068 (2013.01); C04B 14/28 (2013.01); C04B 24/2641 (2013.01); C04B 24/38 (2013.01); C04B 24/383 (2013.01); C04B 41/009 (2013.01); C04B 41/50 (2013.01); C04B 41/65 (2013.01); E04H 13/00 (2013.01); B28B 1/14 (2013.01); C04B 2103/32 (2013.01); C04B 2103/50 (2013.01); C04B 2103/60 (2013.01); C04B 2111/545 (2013.01)]

17 Claims

1. A polymer cement-granite composite tomb box, comprising: a layered structure;

wherein the layered structure is formed by compounding one layer of a granite slab or two layers of granite slabs and one layer of a polymer cement;

wherein the polymer cement consists of 20-35 parts by weight of a cement, 25-45 parts by weight of a fine aggregate, 25-55 parts by weight of a coarse aggregate, 0.01-0.5 part by weight of a superplasticizer, 1-6 parts by weight of a polymer, 0.001-0.005 part by weight of a retarder, 0.01-0.1 part by weight of an anti-cracking strengthening agent, 0.01-10 part by weight of a stabilizer, and 0.001-0.5 part by weight of an antifoaming agent and a surface of the polymer cement is coated with a marble coating.