DiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentTechnology, Industry, Agriculture
Polyethylene TerephthalatesPolyethylenePolyethylenesPolyethylene GlycolsProsthesis FailureCatharticsHip ProsthesisProsthesis Design
PolypropyleneEthylene terephthalateHigh-Density PolyFibersDegradationHDPEGlycolPolymersSubstratePolyesterBottlesMicroplasticsAntimonyCommonlyCrystallinityMechanicalLDPEStabilityComposites2022CrystallizationExtrusionPolymerTemperatureBehaviorPropertiesAdverse effectsMaterialParametersExposureOrganicEnvironmentalMaterialsTypeResinChemicalAssessSignificantAdditiveSide effectsMarketContentMake
Polypropylene11
  • Of these polyethylene terephthalate (PET) has only moderate UV resistance and the others, which include polystyrene, polyvinyl chloride (PVC) and polyolefins like polypropylene (PP) and polyethylene (PE) are all highly susceptible. (wikipedia.org)
  • Polyolefins such as polyethylene and polypropylene are susceptible to photo-oxidation and around 70% of light stabilizers produced world-wide are used in their protection, despite them representing only around 50% of global plastic production. (wikipedia.org)
  • New extensional mixing elements (EME) for twin-screw extrusion were applied to compound glass fibers (GF), carbon fibers (CF) or polyethylene terephthalate fibers (PETF) reinforced polymer composites with polymer matrix of polypropylene (PP) or polyethylene oxide (PEO) and the resulting fiber degradation upon processing was evaluated and compared with compounding via shear flow-dominated kneading blocks (KB). (degruyter.com)
  • Recycled polyethylene terephthalate (RPET) recycled polypropylene (RPP) and CaCO3 were blended and compatibilized with SEBS copolymer. (4spe.org)
  • The effects on modulus and elongation with the addition of plasticized starch, in a polypropylene matrix, were evaluated and are presented. (4spe.org)
  • Preparation and Compatibility Evaluation of Polypropylene/High Density Polyethylene Polyblends. (nih.gov)
  • Curiosity-driven breakthroughs in chemistry led to further development of synthetic polymers , including the now widely used polypropylene and high-density polyethylene. (ien.com)
  • The production of synthetic polymers globally is dominated by the polyolefins - polyethylene and polypropylene. (ien.com)
  • The flour samples were stored in three packaging materials (polyethylene terephthalate [PET] bottles, polyethylene bags and woven polypropylene sacks) for six months under ambient conditions. (srce.hr)
  • 2011) observed the environmental burdens associated with 40-mL Nespresso capsules based on the different types of packaging materials (i.e., polypropylene or PP, polyethylene or PE, polyethylene terephthalate or PET, Aluminium or Al, and PE-Al-PET multi-layer bags). (researchgate.net)
  • In this regard, the life cycle included the use of the aforementioned coffee machines, considering their operational conditions (in terms of electricity usage), roasted and ground coffee, water use, and primary packaging materials used (i.e., paper filters, low-density polyethylene, polypropylene, etc. (researchgate.net)
Ethylene terephthalate3
  • The effect of notches was investigated by introducing single-edge hairline cracks and V-shaped notches of different depths on dumbbell samples to ascertain the fracture behavior at the skin and core parts of virgin and recycled poly(ethylene terephthalate), (V-PET/R-PET), injection-moldings. (4spe.org)
  • The effects of the blending ratios of virgin and recycled glass fibre reinforced poly(ethylene terephthalate) (GRPET) and the number of cycles of recycling on the engineering properties and melt flowrate of recycled GRPET have been investigated. (edu.hk)
  • Man, HC & Wong, TT 1996, ' Mechanical and flow properties of multistage recycled glass fibre reinforced poly(ethylene terephthalate) ', Plastics, Rubber and Composites Processing and Applications , vol. 25, no. 8, pp. 380-384. (edu.hk)
High-Density Poly2
  • On the molecular scale, high-density polyethylene looks like a comb with regularly spaced, short teeth. (ien.com)
  • Moulds made of high-density polyethylene (HDPE) and polytetrafluorethylene (PTFE) have also been used for testing both commercial and experimental composites 26 . (bvsalud.org)
Fibers4
  • Effects of Polyethylene Terephthalate Fibers in The Water Resistance of Compressed Stabilized Earth Blocks. (unl.edu)
  • This research project focuses on investigating the effects of synthetic fibers (PET) and amount of cement stabilization on the water absorption, water surface erosion, and wet compressive strength of the compressed stabilized earth blocks (CSEB). (unl.edu)
  • Microfibers shed from articles made of synthetic polyester fibers, such as PET (polyethylene terephthalate), are becoming an emerging issue in water and soil environments. (usda.gov)
  • Environmental effects on poly-p-phenylenebenzobisoxazole fibers. (umass.edu)
Degradation3
  • 3) monitoring the degradation of polyethylene terephthalate powder and its effect on adsorbing toxic organic compounds. (calstatela.edu)
  • Furthermore, it appears that the rate of PHB degradation could be affected by the amount of fungus present in the soil. (usda.gov)
  • Material having 100% fourth time recycled GRPET suffered the worst degradation effect. (edu.hk)
HDPE1
  • Ø = 5 mm] irradiated for 10 s, 20 s and 40 s and an experimental composite (EXPM) [thickness = 6 mm;Ø = 5 mm] irradiated for 40 s) were cured in moulds made of polytetrafluorethylene (PTFE), highdensity polyethylene (HDPE) and stainless steel (SS). (bvsalud.org)
Glycol4
  • The most commonly used materials are polyurethane, polyester, and polyethylene glycol terephthalate (PETG). (burkhartdental.com)
  • The report is titled, "NTP-CERHR Monograph on the Potential Human Reproductive and Developmental Effects of Ethylene Glycol. (packaginglaw.com)
  • In its intent to list announcement, OEHHA states that the 2004 report concluded with respect to ethylene glycol that "there is clear evidence of adverse effects for reproductive toxicity (developmental endpoint) in laboratory animals at high oral doses. (packaginglaw.com)
  • Ethylene glycol is a precursor used in the manufacture of polyester resins, such as polyethylene terephthalate (PET). (packaginglaw.com)
Polymers1
  • Crystallization is very significant properties affecting all mechanical and physical properties of PET just as for all kind of polymers. (researchgate.net)
Substrate1
  • We report an organic field-effect transistor (OFET)-based sensor made from printable materials with an unusually high sensitivity of 0.5 ppm v/v for ammonia and with limit of detection on the order of 0.1 ppm v/v. The device developed has a polyethylene terephthalate (PET) substrate, bottom contacts, and poly ( 3,3''' -didodecylquaterthiophene) (PQT-12) cast from 4 mg/mL cholorobenzene solution as active semiconductor. (cdc.gov)
Polyester2
  • The textile industry is searching for alternatives to traditional polyethylene terephthalate (PET)-based, synthetic polyester to eliminate persistent microfiber pollution. (usda.gov)
  • Polyethylene terephthalate (PET) is a hygroscopic resin from the polyester family which absorbs moisture onto their molecular structure when they are exposed to the ambient air. (dynisco.com)
Bottles3
Microplastics4
  • The entering of polyethylene terephthalate microplastics into biological wastewater treatment system affects aerobic sludge digestion differently from their direct entering into sludge treatment system. (bvsalud.org)
  • The entering of the widespread polyethylene terephthalate ( PET ) microplastics into biological wastewater treatment system results in their retention in sewage sludge , which inevitably enters the sludge treatment system. (bvsalud.org)
  • In the atmosphere, microplastics were recently discovered in the clouds above Japanese mountains, leading to questions about how these particles might be affecting the atmosphere . (yourweather.co.uk)
  • Do Microplastics Affect Human Health? (rgare.com)
Antimony1
  • The general population may also be antimony trichloride, which are cleared about 1 ng/m3 but can be higher in urban exposed to antimony in polyethylene from the lungs in days. (cdc.gov)
Commonly1
  • Polyethylene terephthalate, commonly coded as PET, PETE, is a thermoplastic polymer resin of the polyesters and is used in liquid containers, drinks, food and synthetic fibres. (researchgate.net)
Crystallinity1
  • The crystallization temperature and crystallinity of the blends were affected by the incorporation of compatibilizers while tensile and impact properties depended on the content of CaCO3 and compatibilizer. (4spe.org)
Mechanical5
  • The effect of an organically modified montmorillonite on thermal, mechanical, optical, and barrier properties of the PET films were investigated. (degruyter.com)
  • In view of the anti-dripping function of ZF-GO and flame retardant effect of ammonium polyphosphate (APP), the influence of ZF-GO, APP, mixture of ZF-GO and APP on combustion performance, thermal stability and mechanical properties of polylactic acid (PLA) is investigated. (degruyter.com)
  • The effects of compatibilization on morphological thermal and mechanical properties were investigated. (4spe.org)
  • For the first time, phenolic formaldehyde resin (PF)-treated silica carbon black (SiCB) were prepared with different treatment conditions and their effect as fillers on the mechanical properties of filler filled natural rubber/butadiene rubber (NR/BR) composites were investigated in detail. (mdpi.com)
  • Effect of Different Manufacturing Methods on the Conflict between Porosity and Mechanical Properties of Spiral and Porous Polyethylene Terephthalate/Sodium Alginate Bone Scaffolds. (nih.gov)
LDPE1
  • Effects of vibration force field on dispersive mixing have been investigated during extrusion of a calcium carbonate filled LDPE system using a split barrel electromagnetic dynamic extruder, which introduce vibration force field into the whole extrusion process. (4spe.org)
Stability1
  • designed, synthesized, and investigated the effects of a cationic comb polymer on the stability of aqueous silica suspensions of varying ionic strength and pH. (rpi.edu)
Composites1
  • The effects of content and aspect ratio of carbon nanotubes (CNTs) upon the electromagnetic (EM) shielding effectiveness (SE) of CNTs polymer composites were investigated and developed. (4spe.org)
20221
Crystallization2
  • The crystallization effect of the addition of EPR in PP was discussed via observation using a polarized optical microscope. (4spe.org)
  • This paper also discuss the effect of different take-off temperatures on crystallization for different ratios of PP/EPR in the PP/EPR blend in the flat-film extrusion process. (4spe.org)
Extrusion1
  • Polyethylene terephthalate (PET) films were prepared by cast extrusion using a twin-screw extruder with a severe screw profile. (degruyter.com)
Polymer1
  • It is clear that, the changes in molecular weight of a polymer with high entanglement, affect melt viscosity more than intrinsic viscosity. (dynisco.com)
Temperature1
  • Model analysis on effect of temperature on the solubility of recycling of Polyethylene Terephthalate (PET) plastic. (bvsalud.org)
Behavior2
  • This has a huge effect on the flow behavior and rheological parameters of the plastic melt. (dynisco.com)
  • Understanding the Effect of Conformational Rigidity on Rheological Behavior and Formation of Polysaccharide-Based Hybrid Hydrogels. (polymtl.ca)
Properties2
  • 1. Increasing demand for amorphous polyethylene terephthalate from the food & beverage industry: The food & beverage industry is a major consumer of amorphous polyethylene terephthalate due to its excellent barrier properties and transparency. (marketbusinessinsights.com)
  • Although significant differences were observed in the pH levels and colour of the cocoyam flour samples after storage in the different packaging materials, the type of packaging material did not affect these physicochemical properties. (srce.hr)
Adverse effects2
  • Are There Any Adverse Effects of Clear Aligners? (burkhartdental.com)
  • Several studies have been conducted over the past few years to assess the adverse effects of aligners on oral health. (burkhartdental.com)
Material5
  • The basic raw material required by the company is polyethylene terephthalate (PET) chips available indigenously. (business-standard.com)
  • With the implementation of this backward integration project VPFL will be able to effect savings in the raw material costs in the manufacture of film to a substantial level. (business-standard.com)
  • Material de sutura absorbible que se utiliza también en clips para ligaduras, en clavos para la fijación interna de huesos fracturados, así como para reforzar los ligamentos en las lesiones ligamentosas tratadas quirúrgicamente. (bvsalud.org)
  • The DC was not affected by the mould material, instead, the resin formulation and the irradiation times were the main factors affecting the degree of conversion. (bvsalud.org)
  • When testing composite resin-based materials in vitro, however, the results of the degree of conversion can be incorrectly estimated if different mould materials affect the DC, for instance, by the influence of entrapped oxygen into the mould material 22-24 . (bvsalud.org)
Parameters1
  • As a result, the melt flow rate (MFR) parameters of PET resins are strongly affected by their moisture level/drying condition and rarely provided by their suppliers. (dynisco.com)
Exposure2
  • The common chemicals BPA and phthalates have side effects from exposure that can have lifelong consequences. (burkhartdental.com)
  • Ebola infection prevention and control (IPC) measures are essential to interrupt Ebola virus transmission and protect the health workforce, a population that is disproportionately affected by Ebola because of its increased risk of exposure yet is essential to patient care required for outbreak control and maintenance of the country's health system at large. (who.int)
Organic1
  • Printable ammonia sensor based on organic field effect transistor. (cdc.gov)
Environmental1
Materials4
  • Although they're both polyethylene, the differences in shape make these materials behave differently when molded into films or other products. (ien.com)
  • Effect of packaging materials on selected quality attributes of cocoyam (Xanthosoma sagittifolium (L.) Schott) flour', Croatian journal of food science and technology , 14(2), str. (srce.hr)
  • The results showed that packaging materials and length of storage significantly affected crude fibre and carbohydrate content of cocoyam flour. (srce.hr)
  • It provides a wide range of information on laws and regulations-both in the U.S. and other countries throughout the world-that affect packages and packaging materials. (packaginglaw.com)
Type2
  • The type of packaging did not significantly affect the crude fat content of the flour throughout the storage period. (srce.hr)
  • In addition, since degree of conversion is affected by the type of the monomers within the mixtures 6 , an investigation on the effectiveness of the DC of different CRM cured in different moulds seem also needed, due to the variety of monomer mixtures existing in the market. (bvsalud.org)
Resin1
  • As a result, IV parameter from dilute solution viscometer is not affected by the resin moisture content which removes the necessity of drying the samples before the tests. (dynisco.com)
Chemical1
  • Some health officials, including those at the Mayo Clinic, say the chemical can cause negative effects on children's health. (sciencedaily.com)
Assess1
  • Human umbilical vein endothelial cells were used to assess the effects of miRNA mimics or inhibitors on regulation of candidate proteins. (cdc.gov)
Significant1
Additive1
  • The blood pressure lowering effects of VASOTEC and thiazides are approximately additive. (rxlist.com)
Side effects4
  • Furthermore, what are some of the possible side effects caused by clear aligner treatment? (burkhartdental.com)
  • Breathing difficulty, sore throat and tongue, itchiness and hives, severe hypersensitivity reactions, and swelling in the lips are some side effects. (burkhartdental.com)
  • What Are Side Effects of Vasotec? (rxlist.com)
  • Its promising characteristics are elasticity, complete biodegradability, and lack of side effects such as infections. (bvsalud.org)
Market1
Content1
  • 10] Changes to the microbial content in the gut can affect human health, but evidence showing a link between MPs, microorganisms, and the gut microbiota and adverse health consequences remains limited. (rgare.com)
Make1
  • Teacher will need to make solutions (4% by weight) of solid borax and poly (vinyl alcohol). (juliantrubin.com)