What Properties Are Used Plastic 3 D Filament?

3D printing or additive manufacturing is a process of making three-dimensional solid objects from a digital design. The creation of a 3D printed object is achieved using additive processes. In an additive process the desired object is created by laying down successive layers of material (usually molten alloy or plastics) until the entire object is formed. Each of these layers can be seen as a thinly sliced horizontal cross-section of the eventual object.

3D printing uses a process known as "additive" manufacturing. That means that the solid, three-dimensional object constructed will be made by adding the desired material in layers. The first successful outcomes of additive printing occurred back in the 1970’s. One of the advantages of using additive printing is that it takes less time than having to get a big enough piece of material and then making a mold before starting the process.(Additive) Those both also add to cost which is saved using this process. Also, there is a

Plastic is different to wood and metal because it was invented. It is man-made not made by nature like wood and metal are and it is a recent technological development because it was made only 40 years ago. It can have different things done to it to make it suit the task you want for example, you can change the color, make it unbreakable or make it hard. It’s cheaper to make products from plastic rather than wood or metal because it doesn’t need as much energy to manufacture.

Because it is easy to make, as well as being cheap, it means that it is a very readable and available plastic to make with (Factsaboutbpa, n.d.). Also, because of its structure, Phthalates can be stored for a long time, without it breaking down (Factsaboutbpa, n.d.). This plastic is also used in the making of many medical instruments, because of Phthalates properties (Factsaboutbpa, n.d.). An example of a product that it is used in, is the case that holds newborn babes, protecting them from harm (Factsaboutbpa, n.d.). It is also used in safety equipment, such as army gear because of its strength and shatter resistance (Factsaboutbpa, n.d.). Because of these features it is also used many electronic devices (Factsaboutbpa,

Despite several advantages ,PLA has some drawbacks as well, which limits its use in certain applications3. PLA has poor toughness (very brittle material with less than 10% elongation at break), slow degradation rate (low crystallinity), hydrophobicity (hydrophobic with a static contact angle of approximately 80°), lack of reactive side chain groups and poor barrier properties (to moisture and air)3. Moreover, the poor melt strength restricts the applicability of specific processing techniques such as film blowing etc.

- Hypothesis: If you cut a 5 mm piece of plastic dry-cleaning bag, a plastic kitchen wrap, a plastic sandwich bag, and a plastic grocery bag, and you added weights (2 pounds) to stretch the plastics, then the plastics will 90% stretch longer than their original 4 mm length.

The easy-care tablecloth made of modern polyester. The tablecloth made of the care-resistant material polyester is also referred to as ironing-free tablecloth . Polyester can still impress with other advantages, so that the tablecloth is used especially in the hotel or restaurant area. The synthetic fiber has proved to be particularly dimensionally stable and durable. The tablecloth produced from this material retains its beautiful color even after many washes.

Polystyrene is petroleum-based plastic that is extremely harmful and can cause various diseases. The EPA has identified styrene as a possible human carcinogen. The main side affects caused when with working with the product are irritation of the skin, eyes, upper respiratory tract and gastrointestinal effects. When working with styrene for a long period of time it may lead to further issues like affects on the nervous system. Symptoms of long term exposure include depression, headaches, fatigue, weakness, and minor affects on the kidney

All the materials in our balloon car served a specific purpose. First, we used a water bottle due to the fact that it’s very light and we could easily poke holes through the plastic in order to put in the skewers for the wheels. Within the bottle, we used a dish sponge, is because it was squishy enough to put through the end of the water bottle and fill the hole we made. But, it’s also able to hold the skewer and straw in place. We used straws to cover the skewer and stick through the water bottle because the skewers in the straws were able to roll and spin without being stuck in place. Therefore, the wheels were able to turn. Then, hot glue allowed us to attach CDs to skewers. We also included bottle caps to cover the holes in the CDs and be able to fix the skewer and CDs together. For the third wheel, skewers helped us poke through the bottle caps glued on the center of the CD. The bottle caps again helped us cover the hole in the CD and keep the smaller skewer steady. Like the plastic water bottle, bottle caps were light and easy to poke holes through. For the wheels, we used CDs because they had holes through the center, so we could stick skewers through them with the help of bottle caps. Also, they were thin and light so that the car would travel faster, and the CDs have less surface area, creating less friction. We used cardboard contraptions to lift the balloon above the car so it didn’t hit the wheels. In addition, it was easy to

Why go to stores and spend lots of money buying toys, jewelry, cups and many other plastic utilities when you can only press one button and print them out for yourself. This futuristic idea is not only innovating the scientific and technological world, but it is also innovating modern day households. The possibilities of 3D printing are extremely captivating, making this one of the most exciting innovations in recent times. 3D printing, also known as additive manufacturing, makes three-dimensional solid objects from a digital model or command. To picture how this process works, 3D printers use an additive process, where adding layers of a successive material creates an object. Traditional machines, however, uses a subtractive process by

3D-printing of prosthetic limbs is an emerging technology. It has the capability to produce a cost effective, durable, and practical prosthetics for all amputees. 3D-printers can use a range of different materials. Though the metal prosthetic is very durable, if something breaks, the prosthetic will not be able to be used. Alternately, ABS is durable and inexpensive to produce. Mixture of materials in 3D-printing is an emerging technology and may provide a viable source in the future but is not well researched to date. Low cost mass production of prosthetics using 3D-printing means that we as a community are able to get a broader group of people around the world a prosthetic

Polyethylene is the world’s most widely used plastic. Polyethylene plastic’s principal application was in packaging, from trash bags to milk jugs. It was widely used in the manufacture of everything from trash bags, picnic cutlery and garbage pails, to plastic toys. Polyethylene also replaced glass, wood, and metal in certain applications.

Can you make plastic out of milk? Is it even possible? It’s true! Milk can be made into plastic. How? Well, all it takes is hot milk and a little bit of vinegar. The main protein found in milk is casein. First this student needs to find out how both plastics are formed, whom was their inventor, what are both plastics used for. There is a lot of background information of casein plastic and regular plastic that needs to be found. So lets get started.

3-D printing came about in the 1980s (Atala & Murphy, 2014). This printing method made it possible to print materials in layers to eventually form a solid 3-D structure. The possibilities of this printing were considered for manufacturing products for consumers (Atala & Murphy, 2014). The original 3-D printers were capable of making objects, but these objects weren’t durable enough to last long (Harris, n.d.). The original printers were mainly used to create models. The process used to create these models was a “laser to solidify a polymer material extruded from a nozzle” (Harris, n.d.). It wasn’t until the 1990s that the different materials of metal and plastic were used together in conjunction with the computer following an engineer’s layout of the product. The new technical layout scheme and materials made it possible to produce a sturdier product that would last (Harris, n.d.). These new developments led to medical researchers considering the possibilities of producing human tissues and organs.

After activity, each group will share examples from their worksheet with the class. Teacher will be able to check for understanding by the work provided during sharing.