E3: The Melt Flow Rate of Different Polymeric Materials Objectives: 1) To learn the operating procedure of TWELVindex 2) To determine the melt flow rate of different polymeric materials Introduction: Melt flow index is given by the weight of the extrudate in gram per 10 min [1]. Referring to Figure 1.1, the melt flow index measured according to Condition-E (190°C, 2160g) which is the normal condition for polyethylene is called “Melt Index (MI)”. Polypropylene requires Condition-L (230°C, 2160g) because
trying to find how the temperature affects the rate at which the anthocyanin pigment leaves the cells, and at what point does the call wall melt. Beetroot Experiment =================== Task ---- We are trying to find how the temperature affects the rate at which the anthocyanin pigment leaves the cells, and at what point does the call wall melt. Please note the two results highlighted found in "test 4" have not been included into my results, as they are obviously anomalous.
Questions- Begin by observing and recording your observations on how each product affects ice. Does it make ice melt or melt faster? As you would think the distilled water would not have a significant effect it would freeze at an average temperature of 0 degrees celsius and freeze up for us at 4 degrees Celsius. Product A did not do fairly well as product C at keeping the water from turning back into because it did not lower the temperature of the ices freezing point. It did the best at melting
place before it melts in our mouths. Food science is a complex and fascinating subject, which encompasses multiple disciplines, like food chemistry, food engineering, food packaging, etc. The question I will try to answer for this project is: which type of chocolate will melt faster when exposed to a lamp? Three different types of Hershey’s chocolate will be used: Dark Chocolate, Milk Chocolate and Cookies and Cream. My initial hypothesis is that the Cookies and Cream chocolate will melt faster, based
The melt flow index (MFI) is a measure of the ease of flow of the melt of a thermoplastic polymer. It is defined as the mass of polymer, in grams, flowing in ten minutes through a capillary of a specific diameter and length by a pressure applied via prescribed alternative gravimetric weights for alternative prescribed temperatures.Polymer processors usually correlate the value of MFI with the polymer grade that they have to choose for different processes, and most often this value is not accompanied
I am going to share an incredible breathtaking day in my life. Earlier this year I attended Lady Gaga’s sold out show, The Joanne World Tour in Edmonton on August 3rd It was her second show after it kicked off in Vancouver. Me and and my best friend Kylie woke up at 4:45am to get ready. We showered, put on makeup and got our outfits ready. My outfit was made a week prior to the show. A leather jacket hot glued with diamonds, jewels and rhinestones with a red cross painted in the middle on the back
Factors that Affect the Current Needed to Melt a Wire Aim: Investigate one factor that affects the current needed to melt a wire. Plan: I am going to investigate what factors affect the current needed to melt a wire. In this investigation, I have decided to change the thickness of the wires that I use, and then while increasing the resistance, I will measure the current needed to melt the different wires. I will start with the variable resistor set to the maximum. I will slowly decrease
How to Make Black Powder (and other explosives) Introduction Black Powder, also known as Gunpowder, is an explosive that has been around, literally, for centuries. The exact origins of the formula are lost in time, but it is known that the Chinese used Black Powder in weaponry at least 1,000 years ago. Technically, Black Powder burns by a process known as deflagration. This differs from detonation in that Black Powder produces subsonic shock waves, as opposed to the supersonic shock waves produced
Louis eats dinner alone that night, actually, he does every week night. His mum is a nurse and doesn't even go to work until 3:00 in the afternoon, getting off somewheres around 2:00 in the morning. She claims she trusts Louis to watch the girls, but she never left them with him for that long of a time period for no other reason than she worried a lot and figured that it would only add pressure to Louis’ constant mind process. So they went to a babysitter, then when she got off she would go pick
Ever since I was little I have always been interested in how things work, and I have always thought about how I could build them work better. As an example, I lived in Japan for two years while I was in first and second grade. I went to a small public school and loved to ski with my friends, we probably went skiing at least once a week during the winter. When I was skiing I would always be fascinated by the ski lifts and spend a good deal of time staring at them to try and figure out how they
seek to place blame, and fuel a thirst for vengeance, but none like Hamlet’s “Oh, that this too, too solid flesh would melt” soliloquy from Act I, scene 4 of the play. Literary devices such as repetition and allusions help convey the meaning of this soliloquy in the context of the tragedy that is “Hamlet”. Repetition within the “Oh, that this too, too solid flesh would melt” soliloquy allows Hamlet to convey and emphasize his emotional distress through the soliloquy. In lines 1, 4, 22, and 28
David Ihim Dr. Lowery Pre-Ap Chemistry 30 November 2015 Don’t Flip Your Lid Research Paper Have you ever wondered why different elements have different melting and boiling points? Why some Molecules melt faster or take longer to boil? It all comes down to the forces and structure among the molecule. They are refer to as Chemical Bonding and Intermolecular or Intramolecular forces. The changes in states are due to changes in forces among the molecules rather than in those within the molecules (Zumdal
Peclet numbers and Reynolds numbers in Si melt are performed for directional solidification crystal growth processes. One of the greatest technological and scientific challenges of multi-crystalline silicon growth is to achieve homogeneity of the material properties in the grown crystal. It affected by fluctuations of the growth rate of the crystal. One of the possible causes for fluctuations of the growth rate is the instationary convection in the melt. The aim is to examine the influence of the
partition coefficients. Partition coefficient is the ratio of concentration of an element in a mixture of a phase relative to another phase. In addition, the partition coefficient depends on pressure, the composition of the solid, the composition of the melt and the temperature (Hall, 1987). Furthermore, the Behaviour of these metals during fractional crystallization is discussed based on the results that were obtained from the study of Okataina Volcanic Center on how metals (Zn, Pb, Cu, Mo) Behaviour
Radiation is what causes chocolate to melt. It uses electromagnetic waves to make the chocolate turn into liquid form. According to research, milk chocolate will melt the fastest. If the tempering does not go correctly, it could affect the data that is recorded. If you ever wanted to fully understand the science behind tempering chocolate, you must comprehend the information about the melting point of chocolate, radiation, and the ingredients that causes chocolate to melt. This is the first part of the
MOULDING MACHINE Injection moulding is the most widely used polymeric fabrication process. It evolved from metal die casting, however, unlike molten metals, polymer melts have a high viscosity and cannot simply be poured into a mould. Instead a large force must be used to inject the polymer into the hollow mould cavity. More melt must also be packed into the mould during solidification to avoid shrinkage in the mould. The injection moulding process is primarily a sequential operation that results
salt, that freezing point can be lowered which forces the ice to melt and prevents the water from freezing or re-freezing. (2013). Why Does Salt Melt Ice? - Ice Melter Distributor | Salt Supplier | KISSNER. Retrieved October 26, 2016, from http://www.kissner.com/why-does-salt-melt-ice/ -Newsome, K. (2014). Which Type of Salt Melts Ice Faster?? Retrieved October 26, 2016, from https://prezi.com/fbfqmnsismd3/which-type-of-salt-melts-ice-faster/ Problem Statement Is table
happened on that day like the steel not getting hot enough to melt for the towers to collapse. People say that the the planes that crashed into the building could not have caused as much widespread damage that they caused. People saying there is no way people could have made calls from the airplane from the height of the plane. Many people also said that Bush knew that 9/11 was going to happen.
and the mantle wedge. The mantle wedge may melt due the descent of the slab, giving the main portion of the non-slab component. The slab component is derived from the subducting slab as it descends. This may consist of melting of the crustal portion of the slab, but also melting of the mantle wedge due to addition of water driven off the slab. Since the descending slab is composed of old, cold oceanic crust, there is a slight paradox in the idea of melts forming from it. However, frictional heat,
hypothesised that the xenoliths and dacitic lava of El Joyazo were derived syn-genetically from a semi-pelitic rock through anatexis. The protolith rock was thought to be separated into anatectic restites, represented by Al-rich xenoliths, and anatectic melt, represented by the dacitic lavas. The xenoliths were classified into three types: (1) almandine-biotite-sillimanite gneiss, (2) quartz-cordierite gneiss and (3) spinel-cordierite rock. Types 1 & 2 were interpreted as restite material as their structure