Information om | Engelska ordet COPOLYMER

Exempel på hur man kan använda COPOLYMER i en mening

• In 1929, Eduard Tschunker and Walter Bock, working for IG Farben in Germany, made a copolymer of styrene and butadiene that could be used in automobile tires.
• A common household example of a strongly shear-thinning fluid is styling gel, which is primarily composed of water and a fixative such as a vinyl acetate/vinylpyrrolidone copolymer (PVP/PA).
• They may be added as a copolymer during the polymerisation process, or later added to the polymer at a moulding or extrusion process or (particularly for textiles) applied as a topical finish.
• Brita produces water jugs (BPA-free, made of styrene methyl methacrylate copolymer), kettles and tap attachments with integrated disposable filters.
• A copolymer of acrylonitrile and vinyl chloride, Dynel shares many properties with both polyacrylonitrile (high abrasion resistance, good tensile strength) and PVC (flame resistance).
• With other monomers it can be used to prepare various copolymers such as ethylene-vinyl acetate (EVA), vinyl acetate-acrylic acid (VA/AA), polyvinyl chloride acetate (PVCA), and polyvinylpyrrolidone (Vp/Va copolymer, used in hair gels).
• In rocket fuels, polybutadiene acrylonitrile copolymer was used in 1960-70's big solid-fuel booster rocket fuels.
• Butyl rubber, sometimes just called "butyl", is a synthetic rubber, a copolymer of isobutylene with isoprene.
• For instance, a mixture of styrene and maleic anhydride in toluene will react if heated, forming the copolymer upon addition of AIBN.
• Alginic acid is a linear copolymer with homopolymeric blocks of (1→4)-linked β-D-mannuronate (M) and α-L-guluronate (G) residues, respectively, covalently linked together in different sequences or blocks.
• It was originally an acrylic fiber but was superseded by a version originally designated "Kanekalon N" which is a modacrylic copolymer of 60% acrylonitrile and 40% vinyl chloride, where the latter imparts flame retardant properties.
• The concept of obtaining activation energy from MFI can be extended to copolymers as well wherein there exists an anomalous temperature dependence of melt viscosity leading to the existence of two distinct values of activation energies for each copolymer.
• The other resin composed purely of carbon and fluorine is the copolymer of TFE with typically 6–9% hexafluoropropene (HFP), which is known as FEP (fluorinated ethylene propylene copolymer).
• Another method tested in a study to produce sodium polyacrylate as an alternative to current methods began with Butyl acrylate-acrylic acid copolymer and poly (butyl acrylate).
• High amounts of tackifiers and waxes are often used; an example composition is 30–40% of EVA copolymer (provides strength and toughness), 30–40% of tackifier resin (improves wetting and tack), 20–30% of wax (usually paraffin-based; reduces viscosity, alters setting speed, reduces cost), and 0.
• patented formulation for the dynamic disintegration of plastics, the upcycling process for unsorted waste stream and a bio-based copolymer with programmable water solubility.
• Poloxamer 407 is a triblock copolymer consisting of a central hydrophobic block of polypropylene glycol flanked by two hydrophilic blocks of polyethylene glycol (PEG).
• Vicryl is a copolymer of lactide (a cyclic diester of lactic acid) and glycolide (a cyclic diester of glycolic acid).
• Polymeric micelles are drug carriers formed by the aggregation of some amphiphile\amphiphilic molecule with an amphiphilic block copolymer.
• The adhesive, acrylate copolymer microspheres, was patented in 1972 and described as suitable for use as a spray.

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