High-efficiency osmotic organosilicon waterproofing agent of timber and preparation method thereof

Abstract

The invention relates to a high-efficiency osmotic organosilicon waterproofing agent of a timber and a preparation method thereof. The waterproofing agent is characterized by preparing from: by mass, silicon resin prepolymer 30-40%, mixture of hydroxyl silicone oil and dimethicone 35-40%, organosilicon crosslinking agent 5-10%, long-chain-alkyl silane 5-10%, organosilicon quaternary ammonium salt 1-2%, pH adjusting organic solution 1-2%, auxiliary agent 2-10% and nanofiller 2-5%, wherein the silicon resin prepolymer is a copolymer of propyl and octyl silicon resin. The high-efficiency osmotic organosilicon waterproofing agent of the timber is nontoxic, pollution free and non-corrosive, has low price, and does not change the original appearance of the timber. The waterproofing protection of the timber for a long time can be provided when the waterproofing agent is covered on the surface of the timber.

Description

technical field [0001] The invention relates to the technical field of wood waterproofing, in particular to a wood high-efficiency permeable organic silicon waterproofing agent and a preparation method thereof. Background technique [0002] Wood waterproofing agents have been developed in the United States and other countries for nearly 60 years. Although my country has a long history of using tung oil to treat wood for waterproofing in ancient times, the use of more effective waterproofing agents for wood waterproofing is still in its infancy. At present, the water repellents for wood on the market include paraffin emulsion, methyl silicate water repellent, fluorine water repellent, etc., but they all have certain shortcomings, such as paraffin emulsion, due to the small chemical bond energy, the overall waterproof performance and durability poor performance; methyl silicate waterproofing agents such as potassium methyl silicate have strong alkalinity, which will affect the...

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Problems solved by technology

[0002] Wood waterproofing agents have been developed in the United States and other countries for nearly 60 years. Although my country has a long history of using tung oil to treat wood for waterproofing in ancient times, the use of more effective waterproofing agents for wood waterproofing is still in its infancy.

At present, the waterproofing agents used for wood on the market include paraffin wax emulsion, methyl silicate waterproofing agent, fluorine-based waterproofing agent, etc., but there are certain shortcomings, such as paraffin wax emulsion, due to the small chemical bond energy, the overall waterproof performance and durability poor performance; methyl silicate waterproofing agents such as potassium methyl silicate with strong alkalinity will affect the appearance of wood after use; and fluorine waterproofing agents (fluorine silicon, fluorocarbon) not only have a great impact on the environment during the production process, but also Poor permeability and very expensive

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