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Hydrophobic furniture coating and preparation method thereof

A furniture coating and hydrophobic technology, applied in the direction of polyester coatings, coatings, etc., can solve the problems of poor compatibility and modification that cannot achieve the expected effect, and achieve enhanced solvent resistance, increased density, and enhanced flexibility. Effect

Inactive Publication Date: 2016-09-28
丁顺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Vegetable oil is introduced into unsaturated polyester resin through chemical reaction, which easily causes the polymerization reaction of vegetable oil itself, which makes the modification effect limited. Vegetable oil can also modify unsaturated polyester resin by blending method. Due to the poor compatibility of the two, resulting in modification that does not achieve the desired effect

Method used

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Embodiment Construction

[0022] A kind of hydrophobic furniture coating, it is made up of the raw material of following weight part:

[0023] Polyvinylidene fluoride 1, perfluoroalkyl ethyl alcohol 4, tung oil 10, sodium hydroxide 0.06, methanol 3, perfluorosulfonic acid resin 0.1, acetic acid 6, 26% hydrogen peroxide 10, ethyl orthosilicate 10 , Y chloropropyltrimethoxysilane 0.1, unsaturated polyester resin 70, methyl ethyl ketone peroxide 0.6, N methylol acrylamide 0.8, glycerol carboxylate 2, wollastonite powder 16, triterpene saponin 0.7, stannous sulfate 0.1. Tetrameric ricinoleic acid ester 1.

[0024] A kind of preparation method of described hydrophobic furniture coating, comprises the following steps:

[0025] (1) Add the above-mentioned methanol to tung oil, add sodium hydroxide under stirring condition, react at 37°C for 70 minutes, distill off the methanol, stand to separate layers, and wash the collected upper liquid with sulfuric acid first, and then use hot water Washing, distillatio...

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Abstract

The invention discloses a hydrophobic furniture coating, which is composed of the following raw materials (by weight): 1-2 parts of polyvinylidene fluoride, 4-6 parts of 2-perfluoroalkyl ethanol, 10-12 parts of tung oil, 0.06-0.07 part of sodium hydroxide, 3-4 parts of methanol, 0.1-0.2 part of perfluorosulfonate resin, 6-8 parts of acetic acid, 10-15 parts of 26-30% hydrogen peroxide, 10-17 parts of tetraethyl orthosilicate, 0.1-0.2 part of Y-chloropropyltrimethoxysilane, 70-80 parts of unsaturated polyester resin, 0.6-1 part of methylethyl ketone peroxide, 0.8-1 part of N-hydroxymethyl acrylamide, 2-3 parts of Salatrim, 16-20 parts of wollastonite powder, 0.7-1 part of triterpenoid saponin, 0.1-0.3 part of stannous sulfate and 1-2 parts of tetrapolyricinoleate. By using perfluorosulfonate resin as a catalyst and adding 2-perfluoroalkyl ethanol, hydrophobicity of a film of the finished product is effectively raised.

Description

technical field [0001] The invention relates to the technical field of furniture coatings, in particular to a hydrophobic furniture coating and a preparation method thereof. Background technique [0002] Saturated polyester resin is one of the film-forming resins commonly used in the preparation of coatings. However, when the general-purpose unsaturated polyester resin is used to prepare coatings, there are disadvantages such as poor water resistance, solvent resistance, heat resistance, and poor mechanical properties. Modification of ester resin to improve its comprehensive performance At present, polyurethane or polyurethane prepolymer, acrylic resin, epoxy resin, silicone, nanomaterials and vegetable oil are mainly used to modify unsaturated polyester resin in order to improve its preparation. performance when coating. Among them, vegetable oil modified unsaturated polyester resin has attracted more and more attention. Vegetable oil is introduced into unsaturated polyes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/06C09D7/12
CPCC08L2205/03C09D7/63C09D7/65C09D167/06C08L27/16C08L27/12C08K13/02C08K5/15C08K5/05C08K3/34C08K5/20
Inventor 丁顺
Owner 丁顺
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