Lab 4 Polymer Coupons

First of all, plastic materials are more durable because of their physical property. The perfect example for this would be the paper

We found that Polypropylene was our 5th unknown. Polypropylene (C3H6) or more commonly referred to as PP, is used for labeling, packaging, textiles, and stationery. In 1957, the crystallization of polymer was discovered. Soon fabric was made from the polymer, and was in high demand. It can also be used for moldings of cars, film, tape, foam and carpet. Polypropylene can not be glued to any objects or itself, and so it is melded. After Polyethylene, Polypropylene is the highest produced synthetic plastic. Polypropylene also holds up well over time, which is one of the reasons that it is the second most produced plastic. The melting point is between 130-171 degrees celsius. Because polypropylene is tough and flexible it can be used as an engineering plastic. Finally, polypropylene can be used be manufactured into a living hinge. A

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In the specimens, all showed a brittle fracture due to how the stress vs strain slope looked and where the Ultimate Tensile Strength was located. Also, how the composited specimens failed look consistent that there were any defects in the specimens. The 0°/90° carbon/epoxy specimen failed in the longitudinal direction because of how the fibers were aligned in that direction. The two ±45° glass/ epoxy specimen failed in the 45-degree direction do to how the fibers were aligned in the specimens. These failures would make sense because composites fail when fiber become unconnected so the epoxy failed first and then cause the fibers to fail next. The fibers individual are weak but when are combined and form a pattern with other fibers is how the strength

In Figure 4, Young's modulus is plotted against yield strength. The diagonal line in the figure represents the material index M= σy/E. Materials below the diagonal line are the best candidate materials because they will remain elastic while providing the maximum conformability. All materials that cost more than $2.20 per pound and have a UV rating of "poor" were eliminated. Also, only materials that can be made through the polymer extrusion process were considered. The candidate materials are listed in Table 1 and ranked by the material index. The current material, TPV, is included in the table for

*Beep**Beep* “Is that all for you today ma’am,” she says in a very rehearsed and monotone voice. The woman says, “Yes I have coupons.” She pulls out a black binder marked “Coupon Saver” and box that makes loud noises of an abundance of pennies, nickels, and dimes hitting each other. The cashier's face now resembles a stale face emoji. As the woman begins to pull the coupons from her black binders and clear pockets attached into the silver hooks. She looks past at her green apron with the grocery stores huge logo to view the time on her iPhone. She lets out a loud sigh as she notices that she should have gone on break fifteen minutes ago. The Manager walks by and looks at the cashier and winks at her with his clipboard and pen in hand. As the

The purpose of this lab was to find out which tissue brand had the strongest tissue. My group's hypothesis was, if, 3 brands of tissues are tested for strength, then, Kleenex brand will hold the most amount of pennies ,because, it is the best manufactured.

Yang, Y., Chen, X., Shao, Z., Zhou, P., Porter, D., Knight, D. P., & Vollrath, F. (2005). Toughness of Spider Silk at High and Low Temperatures. Advanced Materials, 17(1), 84-88. doi:10.1002/adma.200400344

Assess with discounted buying use of Target Black Friday Coupons Printable and to be acquired. Accept through cutters to buy web store items on Black Friday and purchase using printed coupons. Assert with discount preparations as imperative in arrangements as simple to get. Ask those who are incumbent to accept reduced rate buys to make a change in your buying.

The three major use segments of the protective packaging market were: 1. Positioning, blocking, and bracing: These protective materials had to secure large, heavy, usually semirugged items in a container. Typical applications included shipment of motors and computer peripherals. 2. Flexible wraps: These materials came under less pressure per square foot. Applications included glassware, small spare parts, and light medical instruments. 3. Void fill: These

Have you ever went to your favorite store and forgot you had a coupon or gift card and spent a lot of money? You are not alone. In many communities, many people have forgotten, misplaced or lost their coupons and/or gift cards. When losing coupons and gift cards you will spend more money. Our mobile app Coupon Quan, will help many people save money when going to their favorite stores.

Polymers effect every ones life almost every day allowing us to make many valuable items that can help make our lives easier including plastic, PVC, and shellac there are also natural polymers that we benefit from such as rubber and amber. Polymers are truly a great and very beneficial item to everyone for they are tough, durable, and cheap but they are also recyclable which can be very beneficial to our environment and societal needs. The only negative effect is when it is not properly disposed but this is really the users fault not the actual item its self

I hereby declare that this thesis entitled, “Investigating the Compressive Strength of plastic bottles as masonry” is the product of my own work except as cited in the references.

Lastly, PP has a good resistance to fatigue, which means, even PP products had been used for a long period of time, they will not have a structural damage easily. That makes the products of PP have a high durability.