Alkyd/Acrylic Hybrid Latexes with Enhanced Oxidative Curing

Shoaf, Glenn L.; Stockl, R. R.

doi:10.1081/pre-120024417

Cited by 19 publications

(21 citation statements)

References 2 publications

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“…[2][3][4][5][6][7] However, as with all free- radical processes, control of graft location and graft efficiency is difficult between these materials. The synthesis goal of this study was to produce acrylicalkyd-acrylic block copolymers by modifying both medium and long oil hydroxyl-functional alkyds with a carboxyl-functional RAFT agent.…”

Section: Resultsmentioning

confidence: 99%

“…1 Modified alkyds, including styrene-modified alkyds (Fig. 2), 1 acrylatedalkyds, [1][2][3][4][5][6][7] and reaction of monoglycerides with carboxylic acid groups 8 have been used to enhance performance and reduce the need for VOCs. Although modified alkyds provided a way to reduce VOC content, the batch-to-batch reproducibility was poor due to the lack of control of side reactions.…”

Section: Introductionmentioning

confidence: 99%

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A new class of acrylated alkyds

Dziczkowski

Soucek

2010

J Coat Technol Res

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A new class of acrylated alkyds resins has been developed using a modern controlled polymerization approach. The reactive relationship between acrylics and alkyds has been defined by difficulty and an inability to propagate to form suitable grafting during a free-radical-based process. A living freeradical process was employed to provide control of both location and blocks of monomers which were attached to the polyester backbone of the alkyd. Both acrylic monomers and blocks of different monomer were successfully polymerized with control. Although there was some side reaction at the pendent fatty acid unsaturation, overall, the system was well behaved with respect to control of blocks of sequential monomers and living characteristics of the free-radical polymerization. Demonstration of concept was achieved in both high solids and waterborne systems. Representative coating properties are also reported for model alkyd systems.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A new class of acrylated alkyds

Dziczkowski

Soucek

2010

J Coat Technol Res

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“…Another unique use of the miniemulsion process involves incorporating optical brighteners into the polymer mix [14,15]. Many coatings would benefit from having some form of an incorporated optical whitening or brightening agent.…”

Section: Optical Brightenersmentioning

confidence: 99%

“…A more unique application of the miniemulsion polymerization technique for industrial purposes involves the hybridiza-tion of whitening or brightening agents [14,15]. The ability to incorporate these hydrophobic components into an environmentally friendly water-based system uniquely enhances the appearance of paper and other coated products.…”

Section: Introductionmentioning

confidence: 99%

Delivering Solvent Based Polymers in Eco‐Friendly Water Based Systems

Shoaf

2010

Chem Eng & Technol

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Providing solvent-borne polymer properties in waterborne systems represents a challenge that has been pursued for a long time. This challenge can now be overcome through the use of miniemulsion polymerization, a unique processing approach that can be applied to incorporate a wide range of polymers, many of which have traditionally only been deliverable using organic solvents. This work highlights some of the advantages of using miniemulsion polymer processing for combining acrylic polymers with a wide range of hydrophobic materials including alkyds/uralkyds, rubbers, tackifiers, and optical brighteners. It can be extended to include an assortment of other hydrophobic materials that are soluble in traditional acrylic, vinyl, and/or styrenic monomers. As a result, these traditionally solvent-borne polymers can now be made available for many different coating applications in an environmentally friendly latex system.

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“…[82][83][84][85][86] The alkyd structure is by nature very hydrophobic and this makes it suitable for use in mini-emulsion polymerization reactions. 87 An alternative route is to use a polyacrylate in a polycondensation process, for instance by first polymerizing the acrylate in the presence of a fatty acid, which leads to grafting. In a subsequent step, with additionally added building blocks, a polycondensation step is being executed, leading to an alkyd acrylategrafted structure.…”

Section: Alkyd Acrylic Hybridsmentioning

confidence: 99%

Polymer heterogeneity in waterborne coatings

Overbeek

2009

J Coat Technol Res

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An overview is presented of the progress in understanding polymer heterogeneity over the last 20 years and how this has contributed to the improvement of coatings. Solvent-based polymers are homogeneous in nature, since all polymeric materials tend to be dissolved in the same solvent mixture. This is different for most waterborne polymers, which tend to be present in a compartmentalized way. Most polymeric materials are present in particles, which are separated by the continuous aqueous phase. This gives excellent opportunities to create particle morphologies that form the basis for the film morphology after drying of the coating. This article gives an overview of the various types of heterogeneity which are accessible in waterborne polymers and will show how heterogeneity in the polymer can contribute to the solution of several persistent problems of the coating industry.

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Alkyd/Acrylic Hybrid Latexes with Enhanced Oxidative Curing

Cited by 19 publications

References 2 publications

A new class of acrylated alkyds

A new class of acrylated alkyds

Delivering Solvent Based Polymers in Eco‐Friendly Water Based Systems

Polymer heterogeneity in waterborne coatings

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