US 12,351,517 B2
Method for preparing silane coupling agent/silica/plant fiber composite
Li Zhao, Changzhou (CN); Chenyi Liu, Changzhou (CN); Jie Li, Changzhou (CN); Xiaoyun Cao, Changzhou (CN); Xinping Guo, Changzhou (CN); and Rui Zhu, Changzhou (CN)
Assigned to CHANGZHOU INSTITUTE OF TECHNOLOGY, Changzhou (CN)
Filed by CHANGZHOU INSTITUTE OF TECHNOLOGY, Changzhou (CN)
Filed on Aug. 8, 2022, as Appl. No. 17/883,282.
Claims priority of application No. 202110899668.4 (CN), filed on Aug. 6, 2021.
Prior Publication US 2023/0043739 A1, Feb. 9, 2023
Int. Cl. C04B 26/32 (2006.01); C04B 16/02 (2006.01); C04B 16/12 (2006.01); C04B 20/00 (2006.01); C04B 20/10 (2006.01); C04B 111/00 (2006.01); C04B 111/10 (2006.01)
CPC C04B 26/32 (2013.01) [C04B 16/02 (2013.01); C04B 16/12 (2013.01); C04B 20/0068 (2013.01); C04B 20/1014 (2013.01); C04B 20/1051 (2013.01); C04B 20/1074 (2013.01); C04B 2111/00017 (2013.01); C04B 2111/1037 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for preparing a silane coupling agent/silica/plant fiber composite, comprising the following steps:
S1: pretreating a plant fiber to obtain a pretreated plant fiber;
S2: preparing a hydrolysate of a silane coupling agent;
S3: fully immersing the pretreated plant fiber in the hydrolysate of the silane coupling agent, fishing an immersed plant fiber out, and drying a resulting plant fiber in the air to obtain a silane coupling agent/plant fiber composite;
S4: preparing a silica nanoparticle dispersion; and
S5: spraying the silica nanoparticle dispersion onto the silane coupling agent/plant fiber composite, and drying a resulting composite to obtain a silane coupling agent/silica nanoparticle/plant fiber composite.