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Water-based alkyd-acrylate dispersion as well as preparation method and application thereof

An acrylate and water-based alkyd technology, used in coatings, anti-corrosion coatings, etc., can solve the problems of poor film adhesion, hardness and anti-corrosion, wide molecular weight distribution, and high molecular weight, and achieve improved density and leveling. The molecular weight distribution is uniform and the effect of improving the hardness of the paint film

Active Publication Date: 2020-05-12
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technical solution described in this patents involves making certain types of chemical called unsaturized aluminum flake (AFA) or tungsten oxide/methyltetrahydroxypropyltrimonium hydrogen dimmer (TLDHMDHA). These modifications help decrease stickiness and viscosity while maintaining good properties like gloss retention, coating performance, etc., resulting in improved durability and quality control over painted surfaces. Additionally, these modification reduces volatile organics released from paints films without affecting their effectiveness due to increased vapor pressure. Overall, they contribute to enhancing both the efficiency and safety of painting processes.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the quality and efficiency of producing high grade, environmental friendliness or better colored aquatic paints while reducing their negative impact upon humans and environments due to pollution caused from volatile organic compounds (Volatilbility) used during production processes.

Method used

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  • Water-based alkyd-acrylate dispersion as well as preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0038] The embodiment of the present invention provides a water-based alkyd-acrylate dispersion, the raw materials of which include the following components in parts by mass: 45 parts of alkyd resin, 30 parts of acrylate monomer, 2,2,4-trimethyl- 10 parts of 1,3-pentanediol monoisobutyrate, 5 parts of initiator and 8 parts of neutralizer;

[0039] Wherein, the raw material of the alkyd resin includes the following components in parts by mass: 3 parts of rosin, 110 parts of vegetable oil, 45 parts of polyol, 55 parts of phthalic anhydride, 6 parts of maleic anhydride, 18 parts of trimellitic anhydride , 5 parts of D40 mineral spirits, 0.06 parts of alcoholysis catalyst, 0.07 parts of esterification catalyst and 23 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate.

[0040] Wherein, the acrylate monomer is dimethylaminoethyl methacrylate; the initiator is benzoyl peroxide; the neutralizer is N,N-dimethylethanolamine; the vegetable oil is linseed oil ; The polyol is a mix...

Embodiment 2

[0046] The embodiment of the present invention provides a water-based alkyd-acrylate dispersion, whose raw materials include the following components in parts by mass: 50 parts of alkyd resin, 45 parts of acrylate monomer, 2,2,4-trimethyl- 8 parts of 1,3-pentanediol monoisobutyrate, 4 parts of initiator and 7 parts of neutralizer;

[0047] Wherein, the acrylate monomer is dimethylaminoethyl methacrylate and methyl methacrylate with a mass ratio of 1:1; the raw material of the alkyd resin includes the following components in parts by mass: 4 parts of rosin, 105 parts of vegetable oil, 50 parts of polyol, 60 parts of phthalic anhydride, 7 parts of maleic anhydride, 20 parts of trimellitic anhydride, 6 parts of D40 solvent oil, 0.06 parts of alcoholysis catalyst, 0.08 parts of esterification catalyst and 2,2 , 20 parts of 4-trimethyl-1,3-pentanediol monoisobutyrate.

[0048] Wherein, the initiator is dicumyl peroxide; the neutralizer is triethanolamine; the vegetable oil is soyb...

Embodiment 3

[0054] The embodiment of the present invention provides a water-based alkyd-acrylate dispersion, the raw materials of which include the following components in parts by mass: 55 parts of alkyd resin, 40 parts of acrylate monomer, 2,2,4-trimethyl- 8 parts of 1,3-pentanediol monoisobutyrate, 8 parts of initiator and 9 parts of neutralizer;

[0055] Wherein, the raw material of the alkyd resin includes the following components in parts by mass: 5 parts of rosin, 115 parts of vegetable oil, 48 parts of polyol, 58 parts of phthalic anhydride, 7.5 parts of maleic anhydride, 19 parts of trimellitic anhydride , 6.5 parts of D40 mineral spirits, 0.08 parts of alcoholysis catalyst, 0.07 parts of esterification catalyst and 30 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate.

[0056] Wherein, the acrylate monomer is dimethylaminoethyl methacrylate and butyl (meth)acrylate with a mass ratio of 1:1; the acrylate monomer is dimethylaminoethyl methacrylate; The initiator is tert-bu...

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Abstract

The invention discloses water-based alkyd-acrylate dispersion as well as a preparation method and application thereof. The water-based alkyd-acrylate dispersion is prepared from the following raw materials: alkyd resin, an acrylate monomer, texanol, an initiator and a neutralizer, wherein the alkyd resin comprises the following raw materials: rosin, vegetable oil, polyol, phthalic anhydride, maleic anhydride, trimellitic anhydride, D40 solvent oil, an alcoholysis catalyst, an esterification catalyst and texanol. The water-based alkyd-acrylate dispersion is prepared from the raw materials through a chemical copolymerization method; wherein the particle size of the nano titanium dioxide is 178-188 nm, the Mw/Mn is 2.93 to 2.96, the grafting rate is 51-57%, the particle size is small and uniform, the stability is better, the grafting rate is high and the molecular weight distribution is more uniform; a molecular chain contains conjugated double bonds, carboxyl and other functional groups,so that the crosslinking density can be improved, the water absorption rate of a paint film is reduced, and the hardness, adhesive force, salt fog resistance and other properties of the paint film are improved.

Description

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Claims

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Application Information

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Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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