Recycling of pet is the most desirable method for waste management, providing an opportunity for reductions in oil. Similar to polyethylene terephthalate, the ptt is used to make carpet fibers. Poly trimethylene terephthalate based meltblown nonwovens download pdf info publication number us20020127939a1. Polytrimethylene terephthalate ptt is a semi crystalline polymer manufactured by polycondensation of trimethylene glycol with either a dimethyl terephthalate or a terephthalic acid. Sep 01, 2007 1 introductionpoly trimethylene terephthalate ptt is a newly commercialized crystalline polymer with growing applications in fibers, films, and engineering plastics. Poly alkylene furanoate poly alkylene terephthalate pafpat blends niki poulopoulou 1, nejib kasmi 2, maria siampani 1, zoi n. Transesterification and mechanical properties of blends of a. Increasing lamellar twisting frequency with polylactic. It is produced by a method called condensation polymerization or transesterification. In safari, when i click download pdf on somebodys instructable, it first looks like its going to download, but nothing really happens. Poly ethylene terephthalate recycling for high value added. The two monomer units used in producing this polymer are. Pdf polytrimethylene terephthalatethe new generation of. One of the fun things about computers is playing with programs like paint.
The polymer blend consisted of pp and a master batch. Polytrimethylene terephthalate chuah major reference. It finds major application in industrial and residential carpet market. Study on depolymerisation of polytrimethylene terephthalate.
Corresponding authors a key laboratory of the ministry of education for polymer composite and functional materials, dsapm lab, school of chemistry and chemical engineering, sun yatsen university, guangzhou 510275, china. Reports, articles and other documents harvested from the office of scientific and technical information. Us7147815b2 polytrimethylene terephthalate bicomponent. Synthesis and characterization of polytrimethylene. Polytrimethylene terephthalate the new generation of. Polytrimethylene terephthalate ptt polyester market. Miscibility and compatibilization of polytrimethylene. We report the study of the formation of laser induced periodic surface structures lipss, with uv femtosecond laser pulses.
Pdf the credit of finding that alcohols and carboxylic acids can be mixed successfully in fabrication of fibers. Pet poly ethylene terephthalate is one of the synthetic semiaromatic polyesters and has. Fiber technology division, mclitri, hsinchu, taiwan 30055, republic of chinasearch for more papers by this author. Three types of banded structures in highly birefringent. Heat capacity of polytrimethylene terephthalate page 1. Ptt crystallizes into triclinic unit cell with two chemical repeating units in the c. Fibers from polytrimethylene terephthalate ptt fibers. Pdf file or convert a pdf file to docx, jpg, or other file format. Feb 16, 2016 the aliphatic counterparts of the most used aromatic polyesters pet, ppt, and pbt have been synthesized by a twostage polycondensation process, starting from dimethyl 1,4cyclohexane dicarboxylate and different diols. Polytrimethylene phthalates or naphthalate and copolymers. Read on to find out just how to combine multiple pdf files on macos and windows 10.
Transesterification between a model thermotropic polyester ttp and polycarbonate pc was investigated during melt blending in a twinscrew minicompounder at temperatures below and above the clearing temperature tcl of the ttp. I paid for a pro membership specifically to enable this feature. 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 markhouwink equations relating the intrinsic viscosity of poly trimethylene terephthalate to its number and weight average molecular weights in.
Tables listing dft optimized values of the cell parameters and coordinates of ptt crystal and chain, dft computed frequencies and ir intensities of ptt crystal and chain, and sketches of the normal modes of vibration of ptt crystal and a figure comparing dft computed ir spectra by using 631gd,p and pobtzvp basis set. Pdf rheological, mechanical and thermal properties of. Continuous manufacture of polytrimethylene terephthalate. If your scanner saves files as pdf portbale document format files, the potential exists to merge the individual files into one doc. Completely miscible blend of poly trimethylene terephthalate with poly ether imide. Thermal analysis of poly trimethylene terephthalate ptt has been carried out using standard differential scanning calorimetry and temperaturemodulated. The polymer is composed of repeating units as shown in the figure 1. Poly trimethylene terephthalate the new generation of engineering thermoplastic polyester 23 g mol1 prepared by heating the sample to 280 oc and then quenching at a cooling rate of 200 oc min1 to room temperature, shows that the tg lies between 4565 oc, followed by melt crystallization exotherm and then tm at 230 oc. Stereochemistry and miscibility of epoxy resinpoly. You can use the tools in paint to add something to a different document. Recycling of phenol from poly 1,4cyclohexylene dimethylene. Ptt is a polymer with a melting temperature of about 228 c and a glass transition temperature of about 50 c.
Papageorgiou 1, 1 chemistry department, university of ioannina, p. Pdf morphology and nonisothermal crystallisation of poly. All i get is a blank dark gray window on the new tab that a. Apr 28, 2009 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. If your pdf reader is displaying an error instead of opening a pdf file, chances are that the file is c. Us5763104a production of polytrimethylene terephthalate. The current state of knowledge with respect to pet recycling method is presented. Poly trimethylene terephthalate ptt, belonging to the linear aromatic polyester family and having a biobased origin, attracts commercial interests in engineering and textile applications 1, 2. Polytrimethylene terephthalate ptt is a newly commercialized odd. A pdf file is a portable document format file, developed by adobe systems. Neat poly trimethylene terephthalate ptt and pttmodified organoclay nanocomposite with various amounts of clay were synthesized by a twostep procedure. Adobe designed the portable document format, or pdf, to be a document platform viewable on virtually any modern operating system. Wo2009075948a1 process for preparation of modified poly.
To regulate the crystallization of poly trimethylene terephthalate ptt retarded by melt blending with polycarbonate pc, the crystallization of the pttpc. Completely miscible blend of polytrimethylene terephthalate. By michelle rae uy 24 january 2020 knowing how to combine pdf files isnt reserved. Article information, pdf download for innovative polytrimethylene terephthalate ptt polymers for. For the investigation, a model ttp, poly phenylsulfonylpphenylene hexamethylenebis4oxybenzoate pshq6, was synthesized that has a tcl 206 c much. Polytrimethylene terephthalate ptt is a newly commercialized oddnumbered aromatic polyester made by the melt polycondensation of 1,3propanediol and terephthalic acid. Heat capacity of polytrimethylene terephthalate unt. Poly lactic acid or polylactide pla is a commercial biobased, biodegradable, biocompatible, compostable and nontoxic polymer that has competitive material and processing costs and desirable. Polytrimethylene phthalates or naphthalate and copolymers are aromatic polyesters made by polycondensation of 1,3propanediol pdo and terephthalic acid ptt, isophthalic acid pti or naphthalic acid ptn andor with comonomers isophthalic acid, 1,4butanediol, etc. We characterized the range of fluences and number of pulses necessary to induce lipss formation and measured the. How to shrink a pdf file that is too large techwalla. 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. Polytrimethylene terephthalate chuah major reference works.
Cn101285225a polytrimethylene terephthalate ptt cut. A novel quaternary blend system of poly ethy1ene terephthalate, poly trimethy1ene terephthalate, poly buty1ene terephthalate, and poly ether. Stereochemistry and miscibility of epoxy resin poly trimethylene terephthalate blends sarath chandran, ab f. The properties of reactive polymer blends are strongly influenced by the interchangeexchange reactions. Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. Nonisothermal crystallization behavior, and morphology of. Evolution of density fluctuation to a lamellar crystal in. Poly trimethylene terephthalate co trimethylene isophthalate pttcoti copolymers with various contents.
Process of producing polytrimethylene terephthalate ptt download pdf. Most electronic documents such as software manuals, hardware manuals and ebooks come in the pdf portable document format file format. Heat capacity of polytrimethylene terephthalate page 1 of. New multiblock polyetheresters based on polytrimethylene.
Feel free to leave messages at the project talk page. Synthesis, structure, and properties by anna szymczyk influence of intercalated organoclay on the phase structure and physical properties of pttptmo block copolymers. 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. Donahue, poly trimethylene terephthalate polymers for fibers, shell chemical company publication no. Kawai, highspeed fiber spinning science and engineering aspects, wileyinterscience, new york, 1985. Information from its description page there is shown below. To combine pdf files into a single pdf document is easier than it looks. The processability of meltblown and spunbonding in a wide range of. Poly trimethylene 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. Tables listing dft optimized values of the cell parameters and coordinates of ptt crystal and chain, dft computed frequencies and ir intensities of ptt crystal and chain, and sketches of the normal modes of vibration of ptt crystal and a figure comparing dft computed ir. Poly trimethylene terephthalate ptt, used as a polymer matrix, is a semicrystalline polymer which combines the advantageous properties of polyesters and polyamides with main application field. Structural evolution analysis and coldcrystallization. Pet polyethylene terephthalate and ptt polytrimethylene.
If you are interested, you may visit the project page and join with us. The paint program can help you make new image files, but it cannot open document or pdf file. Increasing lamellar twisting frequency with polylactic acid. An oversized pdf file can be hard to send through email and may not upload onto certain file managers. Poly ethylene terephthalate recycling for high value. This means it can be viewed across multiple devices, regardless of the underlying operating system. The effect of nanofillers on these reactions, in particular transreactions, has not yet fully understood. Prior art keywords ptt fiber poly trimethylene terephthalate cut staple prior art date 20070411 application number cna2007100214091a other languages chinese zh inventor. Us20020127939a1 poly trimethylene terephthalate based. Influence of flexible poly trimethylene sebacate segments on the lamellar twisting behavior of poly trimethylene terephthalate ringbanded spherulites. This article explains what pdfs are, how to open one, all the different ways. Thermal properties and crystallization behavior of. The plaptt blend were melt spun into fiber by melt spinning technique. Structural characterization of drawn and annealed poly.
Innovative polytrimethylene terephthalate ptt polymers for. Pdf polypropylenepoly trimethylene terephthalateblend. Abstract poly trimethylene terephthalate ptt is a newly. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps.
Polytrimethylene terephthalate is within the scope of wikiproject polymers which aims to improve the coverage of polymerrelated articles in wikipedia. Pdf polypropylenepoly trimethylene terephthalateblend fibers. Depending on the type of scanner you have, you might only be able to scan one page of a document at a time. A series of novel poly trimethylene terephthalate block poly tetramethylene oxide pttptmo segmented block copolymers were synthesised by transes. The phase behaviors of poly 1,4cyclohexylene dimethylene terephthalate pct in water at different temperature and time were observed in a fused silica capillary reactor fscr with a microscope. Thermal and mechanical properties of polytrimethylene. The pdf format allows you to create documents in countless applications and share them with others for viewing. Electromagnetic interference shielding behavior of poly. Polymers free fulltext prominent crystallization promotion. Polytrimethylene terephthalate molecular weight and mark. Sep 29, 2012 polymer composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including research, production, processing, and applications.
Us5763104a us08764,492 us76449296a us5763104a us 5763104 a us5763104 a us 5763104a us 76449296 a us76449296 a us 76449296a us 5763104 a us5763104 a us 5763104a authority us united states. Poly trimethylene terephthalate ptt which combines properties of polyethylene terephthalate pet and polybutylene terephthalate pbt. Corresponding authors a key laboratory of optoelectronic chemical materials and devices of ministry of education, jianghan university, wuhan 430056, china email. Polytrimethylene terephthalate ptt, is a polyester synthesized and patented in 1941.
Degradation and recyclability of poly ethylene terephthalate. The aliphatic counterpart of pet, ppt and pbt aromatic. Also disclosed is a method of preparing the poly phenylene ether copolymer. Request pdf fibers from polytrimethylene terephthalate ptt fibers ptt is one of the more recently manufactured synthetic fiber that is derived from renewable resource. Pdf investigating the role of transreactions on degradation. Ptt polytrimethylene terephthalate ptt based meltblown and. Alkaline depolymerization of polytrimethylene terephthalate joon ho kim,1 joon jung lee,1 ji young yoon,1, won seok lyoo,1 richard kotek2 1 school of textiles, yeungnam university, 2141 daedong, kyongsan 712749, korea 2 department of textile engineering, chemistry and science, north carolina state university, raleigh, north carolina 27695 received 2 october 2000. Conductive and electroactive polymers research unit, chulalongkorn university, soi chula 12, phyathai road, pathumwan.
May 28, 2020 recycling of chemicals from waste plastics is important for the reutilization of resources and the reduction of environmental pollution. Thermal, mechanical, and morphological investigation of. Ptt is an aromatic polyester prepared by the melt polycondensation of 1, 3propanediol. Pdf polypropylene pppolyester pesblend fibers were prepared by extruder melt spinning. Sep 09, 2011 poly trimethylene terephthalate pttmultiwalled carbon nanotube mwcnt composites having varying amounts of mwcnts were fabricated with an aim to investigate the potential of such composites as an effective light weight electromagnetic interference emi shielding material in the frequency range of 12. Pdf preparation of polylactic acid and polytrimethylene.
1301 1509 485 1483 177 1054 1384 196 1566 931 1175 1245 256 753 1228 1558 278 163 525 1130 730 783 845 1423 232 836 637 171 1036 762 1586 1152 479 457 480 1344