A kind of high solid content low viscosity clean taste alkyd resin and its preparation method and application

A clean-odor alkyd resin, low-viscosity technology, used in coatings, polyurea/polyurethane coatings, etc., can solve problems such as residual odor, and achieve the effects of increasing cross-linking density, stable and controllable reaction process, and simple operation.
CN113201124BActive Publication Date: 2022-07-26SOUTH CHINA UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTH CHINA UNIV OF TECH
Publication Date
2022-07-26

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Abstract

The invention discloses a high-solids and low-viscosity clean alkyd resin and a preparation method and application thereof. In parts by mass, the raw materials of the high-solids and low-viscosity clean alkyd resins are composed of: 29.5-33.5 parts of vegetable oil fatty acids, acid anhydrides 18.5-21.5 parts, 2.5-4.9 parts of unit acid, 20.3-24.1 parts of polyol, 2-5 parts of polyacetal resin, 3-5 parts of xylene, 14-15 parts of organic solvent; the resin prepared by the invention has easy structure and performance Controlled and adjustable, etc., used to prepare two-component polyurethane wood paint coatings, with hardness up to H above, adhesion level 0, residual VOC less than 5g / L after the paint film is dried for 2 days, clean and environmentally friendly, with excellent chemical resistance and thermal stability.
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Description

technical field

[0001] The invention belongs to the technical field of two-component polyurethane wood lacquer, and relates to an alkyd resin, in particular to a preparation method and application of a high-solids, low-viscosity, and clean-flavored alkyd resin. Background technique

[0002] Two-component polyurethane wood paint has excellent physical and chemical properties and is widely used in wood furniture and wood floors. According to the different hydroxyl-containing components, it can be divided into acrylic polyurethane, alkyd polyurethane, polyacid polyurethane, polyether polyurethane, epoxy polyurethane and other varieties.

[0003] Since the beginning of the 21st century, with the rapid development of the global economy and the gradual strengthening of environmental protection by various governments, countries around the world have paid great attention to the use of environmentally friendly coatings that are different from traditional coatings. The so-called envi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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