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Polymer resin widely used in packaging
Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose
Polystyrene
Topics referred to by the same term
Look up polystyrene or polystyrène in Wiktionary, the free dictionary. Polystyrene may refer to: Polystyrene, a synthetic material (eg: Styrofoam) Polystyrene
Polystyrene_(disambiguation)
Drug class
Polystyrene sulfonates are a group of medications used to treat high blood potassium. Therapeutic effects generally appear hours to days after commencement
Polystyrene_sulfonate
Polystyrene packaging material
Chemical. Originally made from 100% virgin polystyrene resin, peanuts made from 100% recycled polystyrene have been commercially available since the mid-90s
Foam_peanut
Decline of polystyrene foam use
global movement towards the phase-out of polystyrene as a single use plastic (SUP). Early bans of polystyrene foam foam intended to eliminate ozone-depleting
Phase-out_of_polystyrene_foam
Trademarked brand for extruded polystyrene
Styrofoam is a brand of closed-cell extruded polystyrene foam (XPS), manufactured to provide continuous building insulation board used in walls, roofs
Styrofoam
Polymer with a backbone of one composite and random branches of another composite
of a graft polymer is a component used in high impact polystyrene, consisting of a polystyrene backbone with polybutadiene grafted chains. Graft copolymers
Graft_polymer
Construction material
Expanded polystyrene (EPS) concrete (also known as EPScrete, EPS concrete or lightweight concrete) is a form of concrete known for its light weight made
Expanded_polystyrene_concrete
Polystyrene in drug delivery
Polystyrene is a synthetic hydrocarbon polymer that is widely adaptive and can be used for a variety of purposes in drug delivery. These methods include
Polystyrene_(drug_delivery)
Arts-and-crafts kit
Shrinky Dinks and Shrinkles) is a craft activity using thin sheets of polystyrene which shrink when heated. The sheets can be cut with standard household
Shrinky_Dinks
Polymer
polystyrene sulfonate (PEDOT:PSS) is a composite material where PEDOT (the conductive polymer) provides electrical conductivity, and PSS (polystyrene
PEDOT:PSS
Type of size-exclusion chromatography
5% accuracy. Polystyrene standards with dispersities of less than 1.2 are typically used to calibrate the GPC. Unfortunately, polystyrene tends to be a
Gel_permeation_chromatography
Phenomenon in chemistry
(PET) has only moderate UV resistance and the others, which include polystyrene, polyvinyl chloride (PVC) and polyolefins like polypropylene (PP) and
Photo-oxidation_of_polymers
Chemical compound (CH3C(O)CH2CH3)
paints and varnishes as an anti-skinning agent. As butanone dissolves polystyrene and many other plastics, it is sold as "model cement" for use in connecting
Butanone
Plastic that softens with heat and hardens on cooling
liquids. Polystyrene is manufactured in various forms that have different applications and can have medium to very low density. Extruded polystyrene (PS or
Thermoplastic
Capillary flow effect
colloidal mixtures of polystyrene particles (diameter 1.4 μm) and cellulose fibers (diameter ~20 nm, length ~1 μm). The polystyrene concentration is fixed
Coffee_ring_effect
Foams made with polyethylene
a steam chest - the process is similar to that used to make expanded polystyrene foam. EPE foams are low density, semi-rigid, closed cell foam that are
Expanded_polyethylene
(BSE: 500405:NSE: SUPPETRO) is India's largest producer and exporter of polystyrene polymer based in Mumbai, Maharashtra, India. In Indian market it has
Supreme_Petrochem
Construction material
natural disaster resistant building codes are adopted. The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of
Insulating_concrete_form
Foam formed from polymers
(EPP) and polypropylene paper (PPP) Polystyrene#Foams (PS) foam Expanded polystyrene (EPS) Extruded polystyrene foam (XPS), sometimes sold under brand
Polymeric_foam
Chemical compound
form due to difficulties in processing. It is mainly used as blend with polystyrene, high impact styrene-butadiene copolymer or polyamide. PPO is a registered
Poly(p-phenylene_oxide)
Protective packaging
the box. The box is closed to tighten the pack. This includes expanded polystyrene foam pieces (foam peanuts), similar pieces made of starch-based foams
Package_cushioning
Construction material
Geofoam is expanded polystyrene (EPS) or extruded polystyrene (XPS) manufactured into large lightweight blocks. The blocks vary in size but are often
Geofoam
Topics referred to by the same term
of digital rights management Poly-4-vinylphenol, a plastic similar to polystyrene Polyvinylpyrrolidone, a water-soluble polymer PVP Karting, a Danish manufacturer
PVP
Layer of one material over another
materials that can include aluminium, wood, blends of cement and recycled polystyrene, wheat/rice straw fibres. Rainscreen cladding is a form of weather cladding
Cladding_(construction)
Form of sandwich panel used as a building material
strand board (OSB), and the core can either be expanded polystyrene foam (EPS), extruded polystyrene foam (XPS), polyisocyanurate foam, polyurethane foam
Structural_insulated_panel
Substance composed of macromolecules with repeating structural units
everyday life. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental
Polymer
Chemical compound
consisting of styrene and acrylonitrile. It is widely used in place of polystyrene owing to its greater thermal resistance. The chains of between 70 and
Styrene-acrylonitrile_resin
Symbol to identify the type of plastic
02 for HDPE, 03 for PVC, 04 for LDPE, 05 for polypropylene, 06 for polystyrene, or 07 for Other). These symbols were originally created in 1988 by the
Resin_identification_code
Class of chemical compounds
HBCD for elimination, but allowing a temporary exemption for the use in polystyrene insulation foams in buildings. Tetrabromobisphenol A (TBBPA or TBBP-A)
Brominated_flame_retardant
American company producing construction materials
is a company that manufactures prefabricated panels of steel mesh and polystyrene, which are covered by concrete on-site. With these alternative construction
Vero_Building_Systems
Insulation product manufacturer
such as glass wool, stone wool, wood wool boards, expanded polystyrene, extruded polystyrene, as well as the Heradesign wood wool based acoustic ceiling
Knauf_Insulation
Sealed bag containing dried beans or pellets
beanbag) is a sealed bag containing dried beans, PVC pellets, expanded polystyrene, or expanded polypropylene. The bags are commonly used for throwing games
Bean_bag
Species of beetle
been found to consume expanded polystyrene foam; they are examples of plastivores. Zophobas atratus breaks down polystyrene through a two-stage process:
Zophobas_atratus
Polymer composed of a chain of organic units joined by carbamate (urethane) links
polymers such as polyethylene and polystyrene, polyurethane refers to a group of polymers. Unlike polyethylene and polystyrene, polyurethanes can be produced
Polyurethane
Damp proofing material in sheet form
extruded polystyrene, OSB, fiber-faced isocyanurate, 30 pound asphalt-impregnated building papers, exterior oil-based paints, unfaced expanded polystyrene, 30
Vapor_barrier
Chilean cleantech and upcycling company
Idea-Tec is a Chilean cleantech and upcycling company, that turns polystyrene into paint. The company was founded in 2014 by Chilean chemists Constanza
Idea-Tec
Merrifield resin is a cross-linked polystyrene resin that carries a chloromethyl functional group. Merrifield resin is named after its inventor, Robert
Merrifield_resin
Organism capable of degrading and metabolising plastic
animal feed, can consume polyethylene and polystyrene. Its congener T. obscurus can also consume polystyrene, as can superworm (Zophobas atratus) and red
Plastivore
Hydrocarbon compound; precursor to styrene and polystyrene
reaction intermediate in the production of styrene, the precursor to polystyrene, a common plastic material. In 2012, more than 99% of ethylbenzene produced
Ethylbenzene
1960s anatomic chair design
(Italian: sacco) made of leather or fabric and filled with expanded polystyrene foam pellets ('beans') or a similar material. It is an example of anatomic
Bean_bag_chair
Equation in polymer science
to molecular weight (imagine eg. the coiling of comb-like polystyrene vs. linear polystyrene). This means that the molecular weight associated with a given
Mark–Houwink_equation
2014 outdoor sculpture in Budapest
obtained popularity on the Internet. The sculpture was constructed out of polystyrene. The artist has called the work a large-sized example of contemporary
Feltépve
Tableware product
clay, and wood. Disposable coffee cups may be made out of paper or polystyrene foam (often mistakenly called Styrofoam). Coffee cups, along with other
Coffee_cup
American plastics and materials company
raised over $190 million. The company produces polystyrene co-polymers (ABS, SAN) and expanded polystyrene primarily used in packaging, food applications
Trinseo
Form of disposable food packaging
Foam take-out containers are made from expanded polystyrene (EPS) foam, or another type of polystyrene foam, and produced by injecting the foam into a
Foam_food_container
Explosive materials where powder is bound together in a matrix with synthetic polymer
developed in 1952 at Los Alamos National Laboratory, as RDX embedded in polystyrene with diisooctyl phthalate (DEHP) plasticizer. HMX compositions with teflon-based
Polymer-bonded_explosive
Species of beetle
Tenebrio molitor are being studied for their ability to biodegrade waste polystyrene products. "Tenebrio obscurus Fabricius, 1792". Integrated Taxonomic Information
Tenebrio_obscurus
foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials such as fiberglass, rock and slag wool. Rigid
Rigid_panel
7th episode of the 2nd series of The Goodies
Montreux version, giant model mouse heads are seen crashing through polystyrene walls. Graeme Garden makes a reference to the episode during "Earthanasia"
Kitten_Kong
Material of a wide range of synthetic or semi-synthetic organic solids
repeatedly. Examples include polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyvinyl chloride (PVC). Thermosetting polymers, also known
Plastic
Terpene hydrocarbon
the model, but erect supports and binders from high impact polystyrene (HIPS), a polystyrene plastic that is easily soluble in limonene. In preparing tissues
Limonene
Chemical compound
foods and drinks. It is also a monomer for the synthesis of modified polystyrenes. It is an aggregation pheromone used by locusts. Zhang, Suying; Mueller
4-Vinylanisole
large-scale rocks or columns is polystyrene because it is lightweight and can be easily carved with a hot wire. Polystyrene can also be used to sculpt mid-sized
Film_sculptor
Physical model of an aircraft for display, research, or amusement
injection-molded polystyrene or resin. Flying models range from simple toy gliders made of sheets of paper, balsa, card stock or foam polystyrene to powered
Model_aircraft
Polymer derived from more than one species of monomer
are made up of blocks of different polymerized monomers. For example, polystyrene-b-poly(methyl methacrylate) or PS-b-PMMA (where b = block) is usually
Copolymer
Multi-stage fusion-fission nuclear weapon
primary in order to boost the initial fissioning of the plutonium. A "polystyrene Polarizer/Plasma Source" is also shown (see below). The first US government
Thermonuclear_weapon
Pre-production plastic pellets
These microplastics are made primarily from polyethylene, polypropylene, polystyrene, polyvinyl chloride, and other plastics or synthetic resins. Nurdles
Nurdle_(bead)
Platform board used in the sport of surfing
in materials and shape. Modern surfboards are made of polyurethane or polystyrene foam. Unlike soft top surfboards, hard top surfboards are also covered
Surfboard
Type of polymer with both thermoplastic and elastic properties
between the polystyrene and polybutadiene blocks, the former separating into spheres or rods depending on the exact composition. With low polystyrene content
Thermoplastic_elastomer
American engineer and inventor (1918–1996)
invented foam polystyrene, more commonly known by its brand name, Styrofoam, that was 30 times lighter and more flexible than solid polystyrene. It was also
Ray_McIntire
Chemical compound
concentrations have a less pleasant odor.[vague] Styrene is the precursor to polystyrene and several copolymers, and is typically made from benzene for this purpose
Styrene
Critical temperature of miscibility in a mixture
Polyisobutylene Polyurethane Polyester Polycarbonate Vinyl polymers PVC PVA PVAc Polystyrene Structure Homopolymer Copolymer Gels Hydrogels Self-healing hydrogels
Upper critical solution temperature
Upper_critical_solution_temperature
Proprietary high-performance elastomer
of the molded material. Depending on the rubber-to-polystyrene ratio in the material, the polystyrene domains can be spherical or form cylinders or lamellae
Kraton_(polymer)
Family of modified resins (polyphenylenes with polystyrene)
polyphenylene oxides (PPO) or polyphenylene ether (PPE) resins with polystyrene. They combine the inherent benefits of PPE resin (affordable high heat
Noryl
Index of chemical compounds with the same molecular formula
Benzocyclobutene (BCB) Cubane Cuneane Cyclooctatetraene Heptafulvene Octabisvalene Polystyrene, repeating unit Semibullvalene Styrene Xylylene List of compounds with
C8H8
Highly viscous liquid exhibiting a kind of semi-solid behavior
Polyisobutylene Polyurethane Polyester Polycarbonate Vinyl polymers PVC PVA PVAc Polystyrene Structure Homopolymer Copolymer Gels Hydrogels Self-healing hydrogels
Gel
Energy conservation measure for buildings
decorative exterior cladding procedure involving the use of expanded polystyrene, mineral wool, polyurethane foam or phenolic foam, topped off with a
External_wall_insulation
Arboform and common plastics Property Arboform Polyethylene Polypropylene Polystyrene Tension at break (N/mm2) 14–22 8–30 30–40 45–65 Modulus of elasticity
Arboform
American air-dropped incendiary bomb
currently in use by the United States military. Instead of the gasoline, polystyrene, and benzene mixture used in napalm bombs, the MK-77 uses kerosene-based
Mark_77_bomb
Straw mat used as flooring in Japan
contemporary tatami sometimes have compressed wood chip boards or extruded polystyrene foam in their cores instead or as well. The long sides are usually edged
Tatami
panel building system which uses a 4 to 12-inch-thick core of expanded polystyrene sandwiched between two sheets of cellulose fiber-reinforced cement board
ThermaSAVE
Organic compound consisting entirely of hydrogen and carbon
paraffin wax and naphthalene) or polymers (such as polyethylene and polystyrene). In the fossil fuel industries, hydrocarbon refers to naturally occurring
Hydrocarbon
Container made of plastic
the item after use. A paper cup may biodegrade faster than an expanded polystyrene (EPS) foam cup or a plastic cup. In general cardboard or paper takes
Plastic_cup
versus polystyrene. The California and New York state legislatures are currently considering bills which would effectively ban expanded polystyrene in all
Pollution in the United States
Pollution_in_the_United_States
World's largest manufacturer of foam cups and containers
in the late 1950s. They experimented with and perfected an expandable polystyrene (EPS) molding process, and shipped their first insulated foam cups in
Dart_Container
Board of paper-faced rigid foam
for making scale models, and in painting. It consists of a board of polystyrene foam clad with an outer facing of paper on either side, typically white
Foamcore
Yielding mechanism in polymers
R. (1971-04-01). "Electron microscopy of crazes in polystyrene and rubber modified polystyrene: use of iodine-sulphur eutectic as a craze reinforcing
Crazing
Organic polymer matrix bearing ion-exchange functional groups
on the task they are required for. Most commercial resins are made of polystyrene sulfonate which is followed by polyacrylate. Ion-exchange resins are
Ion-exchange_resin
Construction material
site-specific forms and cured on site. Recently, lightweight expanded polystyrene foam is being used as the cores of precast wall panels, saving weight
Precast_concrete
2025 apartment fire in Tai Po, Hong Kong
safety netting covering the lower floors was ignited. Flammable expanded polystyrene foam (Styrofoam) boards covering the windows acted as potential accelerants
Wang_Fuk_Court_fire
Suspension of objects using sound waves
by this technique is a 30mm diameter expanded polystyrene sphere of mass 0.6g. An expanded polystyrene octahedron with a diagonal length of 50mm and mass
Acoustic_levitation
Traditional East Asian weapon
versions and replicas not intended to be used as weapons may be made of polystyrene foam or plastic. Possession of this weapon is illegal in some countries
Nunchaku
1985 single by Mr. Mister
The U.S. 7" single can be found pressed on transparent purple vinyl or polystyrene, depending on where it was manufactured. Cash Box said it's a "booming
Kyrie_(song)
American chemical company
businesses. Its first plastic products were ethylcellulose, made in 1935, and polystyrene, made in 1937. In just eight months from 1940 to 1941, Dow built its
Dow_Chemical_Company
Frog (1931–1949) - flying and static models. See also Injection-moulded polystyrene (high pressure). Pocher (UK) Pontos Model (South Korea) Revival Deutschland
List of scale model kit manufacturers
List_of_scale_model_kit_manufacturers
Chemical compound
(elevated blood potassium) uses sorbitol and the ion-exchange resin sodium polystyrene sulfonate (tradename Kayexalate). The resin exchanges sodium ions for
Sorbitol
paddleboard manufacturing company. It specializes in mass-produced expanded polystyrene boards pressed in molds designed by established surfboard shapers. Surftech
Surftech
Alteration in the polymer properties under the influence of environmental factors
(PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET, PETE), polystyrene (PS), polycarbonate (PC), and poly(methyl methacrylate) (PMMA). The degradation
Polymer_degradation
Group of atoms attached to a long molecule's backbone chain
polymeric. For example, the phenyl groups are the pendant groups on a polystyrene chain. Large, bulky pendant groups such as adamantyl usually raise the
Pendant_group
Soviet and Russian bombs for aircraft
thickened to a viscous state with special substances (rubber, liquid glass, polystyrene). The fire mixture in a thickened state is dispersed during an explosion
Soviet and Russian aerial bombs
Soviet_and_Russian_aerial_bombs
Collapse of a macromolecule from an expanded coil state to a collapsed globule state
Polyisobutylene Polyurethane Polyester Polycarbonate Vinyl polymers PVC PVA PVAc Polystyrene Structure Homopolymer Copolymer Gels Hydrogels Self-healing hydrogels
Coil–globule_transition
Measure of how well an object, per unit of area, resists conductive flow of heat
aerated concrete blocks, hollow expanded polystyrene blocks, straw bales and rendered extruded polystyrene sheets." In Germany, after the law Energieeinsparverordnung
R-value_(insulation)
American construction materials manufacturer
Island, New York, that provides sustainable alternatives to plastics and polystyrene foams for packaging, building materials as well as farm harvested high
Ecovative_Design
combination of sand casting and lost-foam casting. It uses an expanded polystyrene foam pattern which is then surrounded by sand, much like sand casting
Full-mold_casting
Australian brand of portable coolers
models had a plastic inner and polystyrene foam insulation. Later coolers have been moulded entirely from polystyrene foam. They are lightweight and inexpensive
Esky
Processes which convert waste plastic into new items
recovered materials. PET and HDPE have the highest recycling rates, whereas polystyrene and polyurethane are rarely recycled. One of the reasons for low levels
Plastic_recycling
British sculptor and stained-glass artist (1914–2000)
his metal sculptures. Roper has been credited with inventing the lost-polystyrene casting process. Many of Roper's early commissions stemmed from the need
Frank_Roper_(artist)
City in British Columbia, Canada
meet reduction targets. As part of the plan, a ban on plastic straws, polystyrene food packaging and free shopping bags was to go into effect in mid-2019
Vancouver
Species of darkling beetle, larval form
recycle polystyrene. However, when the mealworm's microbiota is disrupted by an antibiotic treatment, it loses its ability to digest polystyrene, suggesting
Mealworm
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