High Temperature Thermoplastics

High Temperature Thermoplastics When we talk about polymers, the most common distinctions we come across are Thermosets and Thermoplastics. Thermosets have the property of being able to be shaped only once while thermoplastics can be reheated and remolded to several attempts. Thermoplastics further can be divided into commodity thermoplastics, engineering thermoplastics (ETP) and high-performance thermoplastics (HPTP). High-performance thermoplastics, also known as high-temperature thermoplastics, have melting points between 6500 and 7250 F which is up to 100% more than standard engineering thermoplastics. High-temperature thermoplastics are known to retain their physical properties at higher temperatures and exhibit thermal stability even in the longer run. These thermoplastics, therefore, have higher heat deflection temperatures, glass transition temperatures, and continuous use temperature. Because of its extraordinary properties, high-temperature thermoplastics can be used for a diverse set of industries such as electrical, medical devices, automotive, aerospace, telecommunications, environmental monitoring, and many other specialized applications. Advantages of High-Temperature Thermoplastics Enhanced Mechanical PropertiesHigh-temperature thermoplastics show a high level of toughness, strength, stiffness, resistance to fatigue and ductility. Resistance to DamagesHT thermoplastics show increased resistance to chemicals, solvents, radiation and heat, and do not disintegrate or lose its form upon exposure. RecyclableSince high-temperature thermoplastics have the ability to be remolded several times, they can be easily recycled and still display the same dimensional integrity and strength as before. Types of High-Performance Thermoplastics Polyamideimides (PAIs)High-performance polyamides (HPPAs)Polyimides (PIs)PolyketonesPolysulfone derivatives-aPolycyclohexane dimethyl-terephthalates (PCTs)FluoropolymersPolyetherimides (PEIs)Polybenzimidazoles (PBIs)Polybutylene terephthalates (PBTs)Polyphenylene sulfidesSyndiotactic polystyrene Noteworthy High-Temperature Thermoplastics Polyetheretherketone (PEEK)PEEK is a crystalline polymer that has good thermal stability because of its high melting point (300 C). It is inert to common organic and inorganic liquids and thus has high chemical resistance. In order to enhance mechanical and thermal properties, PEEK is created with fiberglass or carbon reinforcements. It has high strength and good fiber adhesion, so does not wear and tear easily. PEEK also enjoys the advantage of being non-flammable, good dielectric properties, and exceptionally resistant to gamma radiation but at a higher cost. Polyphenylene Sulfide (PPS)PPS is a crystalline material that is known for its striking physical properties. Apart from being highly temperature resistant, PPS is resistant to chemicals such as organic solvents and inorganic salts and can be used as a corrosion resistant coating. The brittleness of PPS can be overcome by adding fillers and reinforcements which also have a positive impact on PPS’s strength, dimensional stability, and electrical properties. Polyether Imide (PEI)PEI is an amorphous polymer that exhibits high-temperature resistance, creep resistance, impacts strength and rigidity. PEI is extensively used in the medical and electrical industries because of its nonflammability, radiation resistance, hydrolytic stability and ease of processing. Polyetherimide (PEI) is an ideal material for a variety of medical and food contact applications and is even approved by the FDA for food contact. KaptonKapton is a polyimide polymer that is able to withstand a wide range of temperatures. It is known for its exceptional electrical, thermal, chemical and mechanical properties, making it applicable for use in a variety of industries such as automotive, consumer electronics, solar photovoltaic, wind energy and aerospace. Because of its high durability, it can withstand demanding environments. Future of High Temp Thermoplastics There have been advancements with regards to high-performance polymers previously and it would continue to be so because of the range of applications that can be carried out. Since these thermoplastics have high glass transition temperatures, good adhesion, oxidative and thermal stability along with toughness, their use is expected to increase by many industries. Additionally, as these high-performance thermoplastics are more commonly manufactured with continuous fiber reinforcement, their use and  acceptance  will continue.

A Comparison of Jamaican and American Political Economies essays

A Comparison of Jamaican and American Political Economies essays As an introduction to this paper I have compiled a series of facts on the island and the culture of the people of Jamaica. The questions asked on the economy of the island will then be answered. Discovered by Christopher Columbus, Jamaica is one of the three islands in the Northern Caribbean forming the Greater Antilles. It is the largest English-speaking country in the Caribbean Sea, stretching one hundred and forty six (146) miles from East to West. It lies five hundred and fifty (550) miles North of the Panama Canal and seven hundred (700) miles South of Miami. The capital and the largest city of the island is Kingston. The countrys name is derived from an Aarawak (aboriginal Indian) word xaymaca, meaning land of wood and water. And so it is with waterfalls and springs, rivers and streams flowing from the forest-clad mountains to the fertile plains, Jamaica has one of the richest and most varied landscapes in the region. Jamaicas most important export crop is sugarcane, from which rum and molasses are also made. The nations other agricultural exports include the famed Blue Mountain coffee, bananas, citrus fruits, ginger, cocoa, pimento, and tobacco. Mining is a major source of wealth; since large, easily accessible deposits of bauxite were discovered in 1942, Jamaica has become one of the worlds leading suppliers of this ore. Bauxite accounts for almost half of Jamaicas foreign exchange. Tourism is the biggest earner of foreign exchange. Among Jamaicas international known resort areas are Montego Bay, Ocho Rios, and Negril. Jamaicas other industries include (mainly concentrated in the Kingston area) include oil refining, sugar and tobacco processing, flour milling, and the production of chemicals, cement, textiles and processed foods. Since the late 1960s this industry has generated a greater share of the national income than agriculture. The Un...

LG Electronics and The Use of SCM Software Article

LG Electronics and The Use of SCM Software - Article Example The present research has identified that LG requires constant supplies of the goods that it produces in order to fulfill customers’ needs. In order to facilitate this process efficient and effective management of the supply chain is extremely important. Therefore, effective organization of all parties involved in the supply chain is critical as a result of their role in adding value. In fact, Christopher indicates that a supply chain is a network that consists of various organizations that play a part in performing processes and activities that adds value to product or service in the hands of the consumer. In order for all parties to achieve competitive advantage in the process, the flow of inputs and components from suppliers to LG’s operations has to be managed in such a way as to facilitate the minimization of inventory holding cost and the maximization of inventory turnover. The need for the use of technology to drive improvements and the use of SCM software cannot be ignored. Management of the supply chain is crucial to the success of businesses that manufacture goods and the internet plays a very important role in this regard. LG Electronics, Inc is a producer of consumer electronics, mobile communications, and home appliances. The company’s operations consist of four distinct business units – home entertainment, mobile communication, home appliance, and air conditioning and energy solutions. LG also has an international presence consisting of 117 operations. Worldwide sales in 2011 were USD 49 billion. In order to increase efficiency and effectiveness, LG has consistently sought to improve its competitiveness by improving the management of its supply chain. This article focuses on LG’s operations in India and its use of information technology to improve the management of its supply chain worldwide.

VolunTourism Essay Example | Topics and Well Written Essays - 2000 words - 1

VolunTourism - Essay Example In order to make a VolunTourism trip, the first and primary requirement is accommodation. For this, my personal minimum requirements would be running water, a place to rest, requisite apparels, electricity and other important tools such as cell phone and electronic equipment. How Much Time/Percentage Of My Trip Do I Want To Dedicate To Volunteering And How Much To Travel & Tourism? In VolunTourism, I desire to dedicate most of the time for travel and tourism activities i.e. 65% of the total tourism time and the remaining i.e. 35% of the time on volunteering. How Sensitive Am I To Deprivation, Poverty, Starvation, Health Issues, Etc.? I am moderately sensitive with respect to certain health aspects such as deprivation or starvation. To a certain extent, I can deal with the issues of hunger or bad food. What Tolerance Do I Have For Extremes In Climate? I possess high tolerance with respect to freezing cold weather or humidity climate. However, I cannot tolerate extreme heat such as in dessert or near volcano among others. What Food Preferences And Aversions Do I Have? Concerning vegetable items, I do not possess any aversions. However, with respect to non-veg items, I have certain preferences and cannot eat every type of non-veg food. How Good Are My People Skills In Relation To Travel? I bear good interpersonal skills that might help me while travelling. I can speak with anyone at any place irrespective of any racial difference. However, at times, language barrier hinder my communication process. Moreover, I feel quite uncomfortable to travel alone. What Volunteer Experience Do I Have? I have several volunteering experience. To cite some few, I have volunteered activities such as charity works and assisting in performing medical responsibilities among others. What Voluntary Service Would I Like To Perform? I would prefer to perform charity activities such as providing medical assistance to those who are in

Rodney has worked for Greengrass Ltd, a firm of seed wholesalers, as Essay

Rodney has worked for Greengrass Ltd, a firm of seed wholesalers, as the company accountant, for fourteen years. On a recent au - Essay Example Still before being dismissed no in depth investigation was conducted into the matter and also Rodney was not provided with any explanation what so ever of how the firm reached the decision. At the same time the CEO refrained from providing Rodney a chance to say anything in his defense, and no compensation was awarded for the sudden dismissal. Compensation can be claimed by Rodney provided the dismissal is proven to be either wrongful or unfair. Although the ACAS cannot be legally and lawfully implemented yet it is a disciplinary guideline for employers to manage their workforce and is given importance during the legal proceedings if a tribunal hears the case (Bell, 2006) Rodney’s employment termination will be classified as wrongful and unfair by ACAS (ACAS, 2013). The unfair dismissal can be characterized with regards to the band of reasonable responses test and the procedural fairness (Bell, 2006). Rodney can claim a grievance for Supervisory practices (OPEIU, 2013; ACAS, 2 009). He can be compensated for being unfairly dismissed. Green grass ltd. can claim that a contract breach can occur on suspicion of theft and Rodney be dismissed without any sound proof; not holding green grass ltd. liable to remedy Rodney’s dismissal. ... With Rodney being employed for 14 years the CEO of Green grass ltd. should have provided him with 12 weeks (1 week for every year) worth of notice before dismissing him; as it the maximum period allowed (compactlaw, 2013). But for the assurety of wrongful dismissal the contract will need to be studied. Remedies for Wrongful Dismissal Following remedies can be claimed for wrongful dismissal (compactlaw, 2013): 1. Unpaid wages 2. Money for correct notice 3. Perks 4. Pension loss 5. Commission, bonus payments Unfair Dismissal of Rodney The Dismissal of Rodney will be regarded as unfair by the Government of United Kingdom as the CEO of Green Grass ltd. had no satisfactory reason behind dismissing Rodney and also he did not follow the disciplinary procedures of the company to authenticate the dismissal (Gov, 2013). According to ACAS (2013), the dismissal is ‘automatically unfair’; irrespective even if the employer used a reasonable cause to terminate the employment of Rodney since he had been a full time employee at Green Grass ltd. for the past fourteen years. The employee also needs to be an employee of the same firm for a continuous period of two years to qualify for unfair dismissal (Compactlaw, 2013). The only way the dismissal could have been categorized as fair if the employer would have been able to prove that the decision to dismiss Rodney had been carried out for; misconduct, incapability or being unqualified for the job, redundancy or statutory restrictions on job continuation (ACAS, 2013). The CEO accused Rodney of misconduct in terms of dishonesty and misplacement of monies from the accounts and dismissed him providing no further reason for the dismissal. The unfairness of the dismissal when being judged by a

Memorial Park Essay Example for Free

Memorial Park Essay El Paso Texas has many tourism places for its society. Many of these historical places are more than 100 years old. And learn about their society as well. As an illustration the San Jacinto Plaza has been their for many years, but its famous for its alligators, and also known as Plaza de Los Lagartos. Plaza de Los Lagartos is use for touristic attraction amusements, and parades. Back in the 1880s through 1960s downtown El Paso featured an amusement in the center of the plaza, a pond filled with live alligators. That attract many people from El Paso. But they had to move the alligators, because they cant survive the cold weather nights. they didnt remove them completely, citizen work to put a sculpture made by Luis A. Jimenez. The alligators sculpture it what makes today history in The San Jacinto Plaza. The San Jacinto makes a tourism illustration that us the society still have history alive. Todays sculpture is used to remember the alligators as a tourist attraction. San Jacinto plaza Amusement Park has been used by many artists in the 1960s. The live alligators attracted people from all counties and was a main reason to come visit El Paso. There was 3 alligators and the amusement park showings were daily from morning to night. Also for example the San Jacinto plaza has been use for bus stops. People use it to rest and wait for the next bus. It also known as an amusement park because all the old buildings around the plaza. And back in the 80s people use it only to hangout and see the alligators. San Jacinto plaza has been known more for its colorful night parades on Christmas. People from El Paso decorate the plaza with colorful lights, and they also put an Christmas tree big enough so everybody can see. People make an long parade, this parade its only on nights, because they have surtain amount of light. The parades has an Santa clause, elfs, candies, deers, and much more stuff. And at the end of this parade they all end up in the Plaza de Los Lagartos where people can enjoy the shows, singing, food and Santa. And at the end of this show they throw fireworks to amaze the children. This parades are only on Christmas. PlazaSan Jacinto has been a pretty historical place for many people. Sometimes I wish I could live back in the 1880 to inform myself Why was the reason the government decided to put alive alligators? This place had cause many happiest especially on children in Christmas days. have experienced the live alligators because personally I have never seen one up close and it would be a great experience to watch them eat and roam around their habitat. However the parade is a very nice touch and makes for a great attraction to .

Human Resource Management :: essays research papers

In the beginning of chapter #4 the book discusses the importance of succession planning. Succession planning is the â€Å"process of ensuring that qualified persons are available to assume key managerial positions once the positions are vacant.† When I was reading about this it occurred to me that this is probably a very important concern for a company because so much of its success is depended on managers and how good they are. If a company loses its manager it is detrimental that there is someone to take over their position and keep the company going.   Ã‚  Ã‚  Ã‚  Ã‚  A second topic that caught my attention was the idea of job analysis. Job analysis is the process of determining ones skills, duties, and knowledge required for performing their job within the company. In todays constant â€Å"changing work environment,† the need for this job analysis technique is quite important. The book explains that it is important because â€Å"new jobs are being created, and old jobs are being redesigned or eliminated.† The book also explains that without job analysis it would be nearly impossible to perform any of the other human resource-related functions. There are different types of job analysis as well. Such types are â€Å"work activities, worker-oriented activities, and the types of machines, tools, equipment, and work aids used in the job.†   Ã‚  Ã‚  Ã‚  Ã‚  I recognized the book stressed the importance of the way in which job analysis is performed and the different methods that can be used with your employees. Some of the different methods included questionnaires, â€Å"witness the work being performed,† interviews with both the employee and the supervisor, or even asking for diaries and logs to be kept by employees.   Ã‚  Ã‚  Ã‚  Ã‚  Job description was another key component of chapter #4, and this really interested me because I was just offered a job after my graduation this year. The book discussed what components make up a good job description. After reading some of the components I realized although the job I have been offered is an unbelievable opportunity, my job description given to me by my boss was very limited, and made me feel very insecure about what exactly my position was in the company. I really understood the importance of the job description for employees after my interview because I was unsure as to where my job began and where it ended. Another topic the book discusses in this chapter is strategic planning and human resource planning.