聚(丙烯酸酯-硅氧烷)杂化乳胶粒子的制备及性能

doi:10.11896/cldb.22060203

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Abstract Poly(acrylate-siloxane) hybrid latex particles with hard core soft shell structure and non-uniform distribution along the radius of particle for linear divinyl-terminated polysiloxane(VPS) were prepared by semicontinuous core-shell emulsion polymerization. The composition, structure, and properties of the hybrid latex particles and their films were characterized and tested by transmission electron microscope(TEM), particle size analysis, differential scanning calorimetry (DSC), metallographic microscope, energy dispersive spectrometer (EDS), fourier transform infrared spectroscopy (FTIR), and contact angle (CA). The results show that the hybrid latex particles have a core-shell structure, and the average particle size increases from 119.4 nm to 138.4 nm with the increase of VPS content in the shell layer. The increase of VPS content and annealing treatment can improve the surface enrichment degree and domain size of VPS. The microphase separation structure of hybrid latex film with double glass transition phenomenon and the formation of the VPS domain phase have improved its block resistance, flexibility and hardness at the same time. The water contact angle has a increase from 61° to 104°, the hydrophobicity is increased significantly, and the water absorption is decreased significantly.

Key words： acrylates divinyl terminated polysiloxane hybrid latex particles core-shell structure

Published: 10 December 2023 Online: 2023-12-08

CLC number:

TQ31

Fund:General Project of Liaoning Provincial Department of Education (LJKZ0533).

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	Articles by authors
	ZHANG Jisheng
	MI Yang
	WANG Yan
	ZHAO Lei
	QIN Tiantian
	MENG Fancheng
	LIU Guojun

Cite this article:

ZHANG Jisheng,MI Yang,WANG Yan, et al. Preparation and Properties of Poly(acrylate-siloxane) Hybrid Latex Particles[J]. Materials Reports, 2023, 37(23): 22060203-6.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.22060203 OR http://www.mater-rep.com/EN/Y2023/V37/I23/22060203

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