Acrylic resin

Short description: Thermoplastic or thermosetting plastic

For other uses, see Acrylic (disambiguation).

Polyhydroxyethylmethacrylate is a typical acrylate resin.

An acrylic resin is a thermoplastic or thermosetting plastic substance typically derived from acrylic acid, methacrylic acid and acrylate monomers such as butyl acrylate and methacrylate monomers such as methyl methacrylate. Thermoplastic acrylics designate a group of acrylic resins typically containing both a high molecular weight and a high glass transition temperature which exhibit lacquer dry capability. Acrylic resins designed for use in two component systems for crosslinking with isocyanate are referred to as polyols and are made with the monomers previously mentioned as well as hydroxy monomers such as hydroxy ethyl methacrylate. Acrylic resins are produced in different liquid carriers such as a hydrocarbon solvent (solventborne acrylics or solution acrylics solventborne acrylic selector) or water in which case they are referred to as emulsions or dispersions and they are also provided in 100% solids bead form.

One example is polyhydroxyethylmethacrylate (pHEMA), which makes a crosslinked polymer when treated with polyisocyanates. Such materials are a useful component in some paints.[1]

## Contents

* 1 Advantages as an ingredient in paint
* 2 Microbial degradation
* 3 See also
* 4 References

## Advantages as an ingredient in paint

Acrylic resin is a common ingredient in latex paint (UK: "emulsion paint"). Latex paints with a greater proportion of acrylic resin offer better stain protection, greater water resistance, better adhesion, greater resistance to cracking and blistering, and resistance to alkali cleaners compared to those with vinyl.[2] Acrylic resin is considered extremely weatherproof and is well-suited for outdoor applications. In solid form, acrylic resin can last for decades. It does not yellow when exposed to sunlight, even after many years. Acrylic resins are the materials which when added to latex increases its gloss properties, mechanical durability (i.e. scratch resistance) and improves the gloss over vinyl-only resins.

## Microbial degradation

Melanin-producing Cladosporium fungi damaged dried acrylic resin samples in the Milan Cathedral.[3][4]

## See also

* Acrylic fiber
* Acrylic rubber

## References

1. ↑ Stoye, D.; Funke, W.; Hoppe, L.; Hasselkus, J. R.; Curtis, L. G.; Hoehne, K.; Zech, H. J.; Heiling, P. et al. (2006). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a18_359.pub2.
2. ↑ Dean Sickler. "Water-based Alchemy". http://dundean.com/tips_what_is_latex_paint.shtml.
3. ↑ Cappitelli F; Principi P; Pedrazzani R; Toniolo L; Sorlini C (2007). "Bacterial and fungal deterioration of the Milan Cathedral marble treated with protective synthetic resins". Science of the Total Environment 385 (1–3): 172–81. doi:10.1016/j.scitotenv.2007.06.022. PMID 17658586. Bibcode: 2007ScTEn.385..172C.
4. ↑ Cappitelli F; Nosanchuk JD; Casadevall A; Toniolo L; Brusetti L; Florio S; Principi P; Borin S et al. (Jan 2007). "Synthetic consolidants attacked by melanin-producing fungi: case study of the biodeterioration of Milan (Italy) cathedral marble treated with acrylics". Applied and Environmental Microbiology 73 (1): 271–277. doi:10.1128/AEM.02220-06. PMID 17071788. Bibcode: 2007ApEnM..73..271C.

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Plastics

Chemical types|

* Acrylonitrile butadiene styrene (ABS)
* Cross-linked polyethylene (PEX, XLPE)
* Ethylene vinyl acetate (EVA)
* Poly(methyl methacrylate) (PMMA)
* Poly(ethyl methacrylate) (PEMA)
* Polyacrylic acid (PAA)
* Polyamide (PA)
* Polybutylene (PB)
* Polybutylene terephthalate (PBT)
* Polycarbonate (PC)
* Polyetheretherketone (PEEK)
* Polyester (PEs)
* Polyethylene (PE)
* Polyethylene terephthalate (PET, PETE)
* Polyimide (PI)
* Polylactic acid (PLA)
* Polyoxymethylene (POM)
* Polyphenyl ether (PPE)
* Polypropylene (PP)
* Polystyrene (PS)
* Polysulfone (PES)
* Polytetrafluoroethylene (PTFE)
* Polyurethane (PU)
* Polyvinyl chloride (PVC)
* Polyvinylidene chloride (PVDC)
* Styrene maleic anhydride (SMA)
* Styrene-acrylonitrile (SAN)

Mechanical types|

* Thermoplastic
* Thermosetting polymer
* Duroplast
* Corrugated plastic
* Polymeric foam
* High performance plastics

Additives|

* Polymer additive
* Colorants
* Plasticizer
* Stabilizer for polymers
* Biodegradable additives
* Filler (materials)

Plastics processing|

* injection moulding
* plastics extrusion
* stretch-blow molding
* thermoforming
* compression molding
* calendering
* transfer molding
* laminating
* fiberglass molding
* pultrusion
* filament winding
* vacuum forming
* rotational molding

Products|

* Plastics industry
* Commodity plastics
* Engineering plastics
* High-performance plastics
* Plastic film
* Plastic bottle
* Plastic bag
* Plastic shopping bag
* Plastic cutlery
* Blister pack
* Foam food container
* Construction
* Geosynthetics
* Category:Plastics applications

Environment and health|

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Health issues of plastics and polyhalogenated compounds (PHCs)

Plasticizers: Phthalates|

* DIBP
* DBP
* BBP (BBzP)
* DIHP
* DEHP (DOP)
* DIDP
* DINP

Miscellaneous plasticizers|

* Organophosphates
* Adipates (DEHA
* DOA)

Monomers|

* Bisphenol A (BPA, in Polycarbonates)
* Vinyl chloride (in PVC)

Miscellaneous additives incl. PHCs|

* PBDEs
* PCBs
* Organotins
* PFCs
* Perfluorooctanoic acid

Health issues|

* Teratogen
* Carcinogen
* Endocrine disruptor
* Diabetes
* Obesity
* Obesogen
* Polymer fume fever

Pollution|

* Plastic pollution
* Rubber pollution
* Great Pacific garbage patch
* Persistent organic pollutant
* Dioxins
* List of environmental health hazards

Regulations|

* California Proposition 65
* European REACH regulation
* Japan Toxic Substances Law
* Toxic Substances Control Act

Waste|

* Plastic pollution
* Great Pacific garbage patch
* Persistent organic pollutant
* Dioxins
* List of environmental health hazards
* Plastic recycling
* Biodegradable plastic

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