The polymer blend consisted of pp and a master batch mb based on polytrimethylene terephthalate ptt or polyethylene terephthalate pet, binary pttpet or ppptt blends, and also on a ternary pp pttpet blend. The poly ethylene terephthalatepoly trimethylene terephthalate petptt blends were prepared and their phase morphology, mechanical and thermal properties were investigated by scanning electron microscopy sem, polarized optical microscopy pom, universal material testing machine, differential scanning calorimetry dsc, wideangle xray waxd, respectively. Chain extension of poly ethylene terephthalate by reactive extrusion with secondary stabilizer. Similar to polyethylene terephthalate, the ptt is used to make carpet fibers. Handbook of thermoplastic polyesters wiley online books. Pet polyethylene terephthalate is one of the synthetic semiaromatic polyesters and has terephthalic acid and ethylene glycol units in main chain. Some of the authors of this publication are also working on these related projects. Pet is spun into fibers for permanentpress fabrics, blowmolded into disposable beverage bottles, and extruded into photographic film and magnetic recording tape. If the inline pdf is not rendering correctly, you can download the pdf file here. Polytrimethylene terephthalate chuah major reference works. Global polytrimethylene terephthalate ptt market size is likely to witness an increase in demand owing to growing application scope in textile industry.
Synthesis and characterizations of polytrimethylene terephthalatebpoly. How is polytrimethylene terephthalate chemical thermoplastic polymer abbreviated. The thermal behavior, morphology, esterinterchange reaction of poly trimethylene terephthalate pttpolyeth ylene terephthalate pet melt. Compared to the two familiar evennumbered poly ethylene terephthalate pet figure 1. Polytrimethylene terephthalate ptt is a newly commercialized odd.
Synthesis and characterizations of polytrimethylene terephthalatebpolytetramethylene glycol copolymers. The ptt polymer associates the best properties of nylon and polyester whether used in carpet, apparel, home furnishings or automotive fabrics. A series of polytrimethylene terephthalatebpolytetramethylene glycol ptt ptmeg copolymers were synthesized by twostep meltpolycondensation. Polypropylene pp polyester pesblend fibers were prepared by extruder melt spinning. Stoyko fakirov is currently visiting professor in the centre for advanced composite materials at the university of auckland, new zealand. Lowviscosity pet typically has an intrinsic viscosity of less than 0. Surface modification of polyethylene terephthalate in. Introduction poly trimethylene terephthalate ptt is an odd numbered aromatic polyester with a chemical struc ture shown in figure 1. Polytrimethylene terephthalate ptt is an aromatic polyester made by the polycondensation of 1,3propanediol pdo and terephthalic acid. Synthesis and characterizations of polytrimethylene terephthalate. Polytrimethylene terephthalate ptt is a semicrystalline polymer that has many of the same advantages as its polyester cousins, pbt and pet. Polytrimethylene terephthalate fiber according to the present invention can be produced by a twostep method consisting of a low speed spinning process and a drawing.
The fibre is a type of polyester that differs from the common one polyethylene terephthalate pet as it contains one more methylene group in the aliphatic chain that links the terephthalic moiety. Pdf polypropylenepoly trimethylene terephthalateblend fibers. Polytrimethylene terephthalate ptt, is a polyester synthesized and patented in 1941. The carpet manufacturing sector has been a key market for ptt over the past few years owing to its aforementioned properties.
The 1 h nmr spectra of pttptmeg copolymers is shown in figure 2. Polytrimethylene terephthalate, is a polyester synthesized and patented in 1941. Polyethylene terephthalate or pet products are 100% recyclable and is the most recycled plastic worldwide. Polytrimethylene terephthalate finds its application in carpeting, textiles and apparel, engineering thermoplastic, non woven, films and monofilaments. We characterized the range of fluences and number of pulses necessary to induce lipss formation and. Carpet manufacturing sector is one of the key applications of this. The polymer is composed of repeating units as shown in the figure 1. The petptt selfcrimp filament appears obvious crimp elasticity under appropriate finishing conditions. Morphology and properties of nanostructured materials. Ptt stands for polytrimethylene terephthalate chemical thermoplastic polymer. Blends of polycarbonate pc, polytrimethylene terephthalate ptt and poly butylene terephthalate pbt are an important class of commercial blends with numerous applications providing good chemical resistance, impact resistance even at low temperatures, and improved flow characteristics compared to the neat polymers.
Polytrimethylene terephthalate ptt was first synthesized and patented in 1941 whinfield and dickson 1941, but it was not produced commercially because of the expense of one of the precursors. Crystal growth and thermal properties of polytrimethylene. Crystallization, mechanical, rheological and degradation. It finds major application in industrial and residential carpet market. The lens serves almost all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus. Polyoxypropyleneoxyterephthaloyl, poly1,3propylene terephthalate.
With the rising treatment temperature, the shrinkage of petptt fiber increases, while its crimp elongation decreases. Polyethylene terephthalate, or pet, a strong, stiff synthetic fiber and resin, and a member of the polyester family of polymers. Synthesis and characterizations of polytrimethylene. Polytrimethylene terephthalate ptt is a newly commercialized oddnumbered aromatic polyester made by the melt polycondensation of 1,3propanediol and terephthalic acid. Polytrimethylene terephthalate structure based name. Pdf enhanced thermal and mechanical properties of poly. Pdf the credit of finding that alcohols and carboxylic acids can be mixed successfully in fabrication of fibers goes to w. Its superior properties such as elastic recovery, stain resistance and ease in dyeing are expected to compliment the demand.
Functional group analysis on oxidized surfaces of synthetic textile polymers. Such resins may be classified as lowviscosity or highviscosity resins. For the quantification of ptt in binary mixtures, manual separation is an. The graph bars on the material properties cards below compare ptt to. Degradation and recyclability of poly ethylene terephthalate. Crystallization kinetics of polytrimethylene terephthalate jiehming huang,1,2 fengchih chang2 1 department of chemical engineering, van nung institute of technology, chungli, 32054 taiwan 2 institute of applied chemistry, national chiaotung university, hsinchu, 30034 taiwan received 5 august 1999. The parameters varied in this study were the type and amount of the organic modification and the clay content.
Ptt is defined as polytrimethylene terephthalate chemical thermoplastic polymer somewhat frequently. Continuous manufacture of polytrimethylene terephthalate. Structure and properties of nanocomposites with a poly. Polypropylenepoly trimethylene terephthalateblend fibers article pdf available in journal of macromolecular science part b 455. University view project phd project view project habib allah tayebi. Poly trimethylene terephthalate the new generation of engineering thermoplastic polyester 21 group ctcg was determined by titrating 25 ml of chloroform and a few drops of phenolphthalein indicator to a solution of 1. Polytrimethylene terephthalate production cost reports. Low diffusion coefficient makes pet much more suitable than other plastic materials for use as a recovered, recycled material. Polytrimethylene terephthalate market size ptt industry.
Compared to pbt, compounds composed of ptt exhibit better tensile strengths, flexural strengths, and stiffness. Polytrimethylene terephthalate ptt was first synthesised and pat ented in 1941 whinfield and dickson, 1941 but was not produced commer cially due to the expense of one of the precursors, 1,3propanediol pdo 5. Ptt is synthesised by the polycondensation of trimethylene glycol with either a terephthalic acid or dimethyl terephthalate. Thermal properties of polytrimethylene terephthalatepolyethylene.
The paper discusses the properties and structures of the petptt filament at different temperatures. Ptt polytrimethylene terephthalate is also a synthetic aromatic polyester with terephthalic acid and propylene glycol units. Toughening poly trimethylene terephthalate by maleinized acrylonitrile butadienestyrene. This contribution concerns preparation and characterization of polypropylene pppolytrimethylene terephtha late ptt meltmixed blends in the presence of organicallymodified montmorillonite nanoclays and functional compati. Trimethylene glycol is now commercially producible through the hydroformulation of ethylene oxide allowing for the economic production of ptt 6. Ptts value as a commercial polymer has improved due to more economical and efficient methods to produce 1,3propanediol in the 1980. The main aim of this study was to deal with one of the major drawbacks of polypropylene pp fibers, i. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin. According to the present invention, polytrimethylene terephthalate fiber is provided, which is high in toughness, uniform in fiber size and excellent in dyeing uniformity, whereby it is extremely suitable for a clothing use. Article in asian journal of chemistry january 2012 citations 0 reads 22 2 authors.
Wo2002022925a1 process for making polytrimethylene. Polytrimethylene terephthalate or ptt witnessed a considerable rise in demand from the textile industry over the past few years on account of its superior properties including ease in dyeing, elastic recovery, stain resistance and elastic recovery. Graphene nanoplateletscarbon nanotubes poly trimethylene terephthalate block polytetramethylene oxide segmented copolymer pttptmo hybrid nanocomposites were synthesized via in situ polymerization. Pdf polytrimethylene terephthalatethe new generation of. Polytrimethylene terephthalate ptt market report, 2026. Shell chemicals is producing a new type of polyester shell chemicals is the name used to denote the chemical businesses of the royal dutchshell group of companies. Fibre labelling polytrimethylene terephthalate ptt dupont jrc. Nonisothermal cold crystallization of polyethylene. Laser induced periodic surface structures formation by. Ptt is an aromatic polyester that can be employed in textile and carpet fiber applications since it presents a set of properties quite suitable for such applications. It is produced by a method called condensation polymerization or transesterification. Reports, articles and other documents harvested from the office of scientific and technical information. Degradation and recyclability of poly ethylene terephthalate 77 polyethylene terephthalate pet is a semi crystalline polymer possessing excellent chemical resistance, melt mobility and spinnability 24. He studied chemistry at the university of sofia, bulgaria, and received his phd from the lomonossov state university in moscow.
Polytrimethylene terephthalate has similar optical properties as that of polyethylene. Fibre labelling polytrimethylene terephthalate ptt dupont. Polytrimethylene terephthalate ptt, and three organically modified montmorillonites were mixed in the melt state obtaining widely dispersed nanocomposites. Crystallization kinetics of polytrimethylene terephthalate.
Morphology and properties of nanostructured materials based on polytrimethylene terephthalate fiber and. The chemical structure of ptt is shown in figure 1. Ptt is an aromatic polyester prepared by the melt polycondensation of 1, 3propanediol. Heat capacity of polytrimethylene terephthalate unt. Lipss were obtained for both pet and its eg nanocomposites. Poly oxypropyleneoxyterephthaloyl, poly 1,3propylene terephthalate. Study on morphology, rheology, and mechanical properties. Crystal growth and thermal properties of polytrimethylene terephthalate daisuke tadokoro, takashi konishi, koji fukao, and yoshihisa miyamoto 1 grad. Phase morphology, mechanical and thermal properties of. It is about an order of magnitude higher than pet but. Information from its description page there is shown below. In both cases, ripples obtained have a period close to the. Polytrimethylene terephthalate ptt is a semi crystalline polymer manufactured by polycondensation of trimethylene glycol with either a dimethyl terephthalate or a terephthalic acid.
The polymer blend consisted of pp and a master batch mb based on polytrimethylene terephthalate ptt or polyethylene terephthalate pet, binary. Aatcc, technical manual, research triangle park, north carolina. Polytrimethylene terephthalate the new generation of. Polytrimethylene terephthalate ptt ptt is a thermoplastic, further classified as a polyester plastic. The two monomer units used in producing this polymer are. Miscibility in two blend systems of homologous semicrystalline aryl polyesters involving polytrimethylene terephthalate yuhsiao kuo 0 ea mor woo email protected 0 0 department of chemical engineering, national cheng kung university, tainan 70101, taiwan the miscibility in the pairs of homologous series of.
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