Biobased acrylic pressure-sensitive adhesives

Droesbeke, Martijn; Aksakal, Resat; Simula, Alexandre; Asúa, José M.; Prez, Filip E. Du

doi:10.1016/j.progpolymsci.2021.101396

Cited by 49 publications

(37 citation statements)

References 118 publications

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“…With various pendant groups through choice of ketone, as block or random copolymers, these materials can be explored for various applications as coatings, adhesives, hydrogels, etc. Additionally, these glycerol ketal (meth)acrylates could also be explored to derive a wide array of properties with (meth)acrylate derivatives of other biosourced materials such as terpenoid, , isosorbide, and epoxidized soybean oil to name a few. To illustrate this concept, we note that the polyacrylates show T g values well below room temperature, are tacky under ambient conditions, and have low M e values that signal robust elastic properties when prepared at moderate molecular weights.…”

Section: Resultsmentioning

confidence: 99%

Glycerol Ketals as Building Blocks for a New Class of Biobased (Meth)acrylate Polymers

Goyal

Lin

Forrester

et al. 2021

ACS Sustainable Chem. Eng.

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Here we present an approach for developing the next generation of bio(meth)acrylates using glycerol ketals as a platform for property differentiation. Crude glycerol, a biodiesel byproduct, and ketones, derived from biomass valorization, are the building blocks for these polymeric materials. Biobased materials are witnessing a prominent boom in research and commercialization due to increased awareness about the carbon footprint and depletion of petroleum resources. Biodiesel and biopolymers are major linchpins to improve sustainable energy and material needs of the world in the coming years. Glycerol ketal (meth)acrylate monomers synthesized by the reaction of glycerol and various ketones consist 65-74 wt.% bioderived content. Glycerol ketals from different ketones used in our study (acetone, cyclopentanone and butanone) are the pendant groups on the (meth)acrylate polymer backbone. We studied the effect of various pendant side-chain ketal groups on the thermal and rheological properties of 1 these polymers. The methacrylate polymers had a higher glass transition temperature (T g ) (8-40 • C) while the acrylate derivatives had much lower T g between -11 • C to 2 • C. The side chain group on these polymers offers us a robust knob to tune the thermal properties (e.g. T g ) and rheological properties (e.g. modulus and entanglement behaviour) for varied applications such as hard block polymers and adhesives.

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Section: Resultsmentioning

confidence: 99%

Glycerol Ketals as Building Blocks for a New Class of Biobased (Meth)acrylate Polymers

Goyal

Lin

Forrester

et al. 2021

ACS Sustainable Chem. Eng.

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“…The term PSA refers to a viscoelastic material that adheres to a solid surface “permanently” at room temperature, under slight pressure, and short contact time without any phase transition or chemical reaction [ 5 ]. The widespread use of PSA in everyday life is immense, for example, labels, tapes, sticky notes, bandages, patches, and protective films [ 6 ]. Nevertheless, the commercial PSAs interfere with the recycling industry and its product quality, e.g., paper recycling.…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, the commercial PSAs interfere with the recycling industry and its product quality, e.g., paper recycling. Consequently, there are challenges in replacing these materials for biobased polymers [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Dibutyl Itaconate and Lauryl Methacrylate Copolymers by Emulsion Polymerization for Development of Sustainable Pressure-Sensitive Adhesives

et al. 2022

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Renewable polymers possess the potential to replace monomers from petrochemical sources. The design and development of polymeric materials from sustainable materials are a technological challenge. The main objectives of this study were to study the microstructure of copolymers based on itaconic acid (IA), di-n-butyl itaconate (DBI), and lauryl methacrylate (LMA); and to explore and to evaluate these copolymers as pressure-sensitive adhesives (PSA). The copolymer synthesis was carried out through batch emulsion radical polymerization, an environmentally friendly process. IA was used in a small fixed amount as a functional comonomer, and LMA was selected due to low glass transition temperature (Tg). The structure of synthesized copolymers was studied by FTIR, 1H-NMR, Soxhlet extraction, and molecular weight analyses by GPC. Furthermore, the viscoelastic and thermal properties of copolymer films were characterized by DMA, DSC, and TGA. The single Tg displayed by the poly(DBI-LMA-IA) terpolymers indicates that statistical random composition copolymers were obtained. Moreover, FTIR and NMR spectra confirm the chemical structure and composition. It was found that a cross-linked microstructure and higher molecular weight are observed with an increase of LMA in the feed led. The Tg and modulus (G′) of the copolymers film can be tuned with the ratio of DBI:LMA providing a platform for a wide range of applications as a biobased alternative to produce waterborne PSA.

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“…Acrylate-based pressure-sensitive adhesives are an interesting group of adhesives, among the most commonly used in industry. The documented history of adhesives goes back as far as 3000 BC, and the modern history of pressure-sensitive adhesives began in 1845, when a patent was granted for a self-adhesive mixture containing natural rubber and adhesive resins [ 1 , 2 ].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Acrylic Pressure-Sensitive Adhesives Crosslinked with UV Radiation-Influence of Monomer Composition on Adhesive Properties

et al. 2021

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In this study, syntheses of acrylate copolymers were performed based on the monomers butyl acrylate (BA), 2-ethylhexyl acrylate (2-EHA), and acrylic acid (AA) and the second-type unsaturated photoinitiator 4-acryloyloxybenzophenone (ABP). The structure of the obtained copolymers was confirmed via FT-IR spectroscopic analysis, and the viscosity and the content of non-volatile substances were determined. The adhesive films were then coated and cross-linked using ultraviolet radiation in the UV-C range at various doses (5–50 mJ/cm2). Due to the dependence of the self-adhesive properties of the adhesive layer on the basis weight, various basis weights of the layer in the range of 30–120 g/m2 were tested. Finally, the self-adhesive properties were assessed: tack, peel adhesion, shear strength (cohesion) at 20 °C and 70 °C, as well as the SAFT test and shrinkage. The aim of the study was to determine the effect of the type of monomer used, the dose of ultraviolet radiation, and the basis weight on the self-adhesive and usable properties of the obtained self-adhesive tapes.

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Biobased acrylic pressure-sensitive adhesives

Cited by 49 publications

References 118 publications

Glycerol Ketals as Building Blocks for a New Class of Biobased (Meth)acrylate Polymers

Glycerol Ketals as Building Blocks for a New Class of Biobased (Meth)acrylate Polymers

Dibutyl Itaconate and Lauryl Methacrylate Copolymers by Emulsion Polymerization for Development of Sustainable Pressure-Sensitive Adhesives

Preparation and Characterization of Acrylic Pressure-Sensitive Adhesives Crosslinked with UV Radiation-Influence of Monomer Composition on Adhesive Properties

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