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Water-borne wood paint resin used outdoors and preparation method thereof

A water-based wood paint and resin technology, which is applied in biocide-containing paints, anti-fouling/underwater coatings, coatings, etc., can solve the surface properties of low surface energy (water resistance, oil resistance and stain resistance, can be extremely Low chemical resistance, difficult wetting, adhesion and aggregation, etc., to achieve good adhesion, improved anti-aging performance, excellent water repellency and even stain repellency

Inactive Publication Date: 2016-08-24
CHENGDU MEIBAOKANG NEW MATERIAL CO LTD
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Problems solved by technology

At the same time, due to the strong binding effect of the fluorine nucleus on its extranuclear electrons and bonding electron cloud, the polarizability of the C-F bond is low, so the fluoropolymer has extremely low surface energy and specific surface properties (water resistance, Oil resistance and stain resistance), various liquids have the characteristics of difficult wetting, adhesion and aggregation on the surface treated with fluoropolymer

Method used

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  • Water-borne wood paint resin used outdoors and preparation method thereof

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Embodiment Construction

[0023] 1. Stir 30g of methyl methacrylate, 5.4g of butyl methacrylate, 2.3g of isobornyl methacrylate, 1.5g of OP-10, 1.5g of sodium dodecylsulfonate, and 130g of deionized water Pre-emulsification; after the emulsification is complete, add 40g of the pre-emulsion to the round bottom flask, react at 80°C until there is no reflux, and drop the remaining pre-emulsion within 1 hour; keep warm for 2 hours; 18.2g of methyl methacrylate, 3g of acrylic acid, acrylic acid 27.1 g of butyl ester, 2 g of ethyl acrylate, 28.7 g of 2-(perfluorohexyl) ethyl acrylate, and 2.3 g of hydroxypropyl acrylate are blended and added dropwise to the reaction solution within 2 hours; keep warm for 2 hours; cool down and add ammonia water Neutralize the pH to 7; filter to obtain the product.

[0024] 2. Put 1.2g of OP-10, 2.7g of sodium dodecylbenzenesulfonate, and 148g of deionized water into a round bottom flask, stir and heat up to 75°C; 3.1 g, 1.8 g of butyl methacrylate, and 2.5 g of 2-(perfluoro...

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Abstract

The invention discloses a water-borne wood paint resin used outdoors and a preparation method thereof. The water-borne wood paint resin is prepared from, 20-45% of (methyl)acrylate monomers, 1-30% of fluorinated acrylate monomers, 0.2-10% of functional monomers, 0.1-10% of emulgator, 0.1-5% of initiator and 40-70% of water. The core-shell emulsion polymerization is adopted for the resin, and the resin has good adhesive force, film-forming property, hardness and the like on woodware, can be widely applied to furniture and other outdoor woodware products, and meanwhile has excellent effects of aging resistance, water resistance, pollution resistance and corrosion resistance by containing fluorine elements.

Description

technical field [0001] The invention belongs to the field of water-based acrylate resins, in particular to outdoor water-based wood varnish resins and a preparation method thereof. Background technique [0002] With the increasing number of outdoor wooden products nowadays, because outdoor wooden products need to be washed by outdoor rainwater and direct sunlight for a long time, in order to prolong the service life of wooden products outdoors, many outdoor wooden products have put forward more requirements on the surface anti-corrosion and anti-aging properties. high demands. Chinese patent CN200710120215 describes a wood resin, in which nano A12O3 slurry is added in the resin polymerization process, which effectively improves the hardness and wear resistance of the wood resin. In order to further improve the anti-corrosion and anti-aging performance of wood resin, Chinese patent CN200710090102 describes a preparation method of wood paint, which adopts water-based acrylic ...

Claims

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Application Information

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IPC IPC(8): C08F265/04C08F220/14C08F220/18C08F220/22C08F220/28C08F220/58C08F220/06C08F220/44C08F212/36C08F2/26C08F2/30C09D151/00C09D5/16
Inventor 史斌谌启英
Owner CHENGDU MEIBAOKANG NEW MATERIAL CO LTD
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