Butyl Methacrylic Acid Synthesis Lab Report
Butyl Methacrylate-Acrylic acid nano-emulsion: synthesis by micro-emulsion polymerization and application as a Textile Pigment Printing Binder via Ulyrasonic waves K. Haggag, N.S. Elshemy, Z.M. Mahmoud Textile Research Division, National Research Centre, Cairo, Egypt Abstract: Micro-emulsion and emulsion polymerization can have some similarities in starting conditions and polymerization mechanism, but the resulting nano-emulsion is unlike in particle size and molecular weight. The purpose of this research is to obtain a nano-emulsion copolymer particles based on butyl methacrylate (BMA)/acrylic acid (AAC) with high monomer/surfactant ratio by using Ultrasonic Homogenizer to determine suitable reaction conditions. The nano-emulsion co-polymerizations processes were carried out with different AAc/BMA ratio and different modified process. Sodium dodecyl sulphate (SDS) and potassium peroxydi- sulphate/glucose were used as emulsifier and redox initiator, respectively. The prepared nano-emulsion was characterized via spectroscopic measurement, FT-IR, particle size analyzing, molecular weight, transmission …show more content…
The size and lack of functionality required that pigment could be bonded to the fibers by the use of binder, which is a high molecular weight film forming material. The binder is the only linkage between pigment and the fabric and therefore plays crucial part in determining the color strength of the finished fabric. From the figure 8 we can notice that as the binder concentration increases, the K/S values of printed fabric increases based on the binder used, however the K/S values recorded for fabric printed with binder prepared by UM was higher than the fabric printed with binder prepared by TM method (Figure 8). The maximum values of K/S, 14.24, 8.74 attained at a prepared binder concentration of 20 g/l, 25 g/l by using UM and TM
Hydrochlorimetry Lab Essay
1866 Words | 8 PagesThe purpose of this lab is to observe the reaction between hydrochloric acid and magnesium metal. When the substances are reacted over water, the products produced are a salt in aqueous solution and a gas. While the salt remains in the water as part of a solution, the gas produced will float to the top. Though water vapor pressure will affect the pressure of the gas in the eudiometer, it is possible to apply Dalton’s law of partial pursues to find the dry pressure of the gas. When the dry pressure is determined, the volume of the gas at STP can then be determined and what the experimental volume of one mole of the gas would be at STP.
Synthesis Of Borneol Lab Report
1010 Words | 5 PagesThe goal of experiment four was to use sodium dichromate to oxidize borneol to camphor. To purify the camphor use sublimation, then reduce camphor to isomeric alcohol isoborneol with sodium borohydride. Use the 1H NMR to determine the ratio of borneol to isoborneol in the final product. The experiment was carried out by using sodium dichromate to oxidize a borneol solution that was made with borneol and ethyl acetate. Once the reaction was complete the mixture was transferred into a separatory funnel where the ether and aqueous layers were separated and the aqueous layer was then extracted with two portions of ether.
Synthesis Of Triphenylmethanol Synthesis Lab Report
726 Words | 3 Pages6.3 Synthesis of Metyltrifenylmetyleter (Tritylmetyleter) [11/02/2016] Introduction: The purpose of this lab was to attempt a full synthesis of Methyl Trityl Ether from Triphenylmethanol and Methanol using Sulfuric acid (H2SO4) as a catalyst. The reaction between triphenylmethanol and methanol is a Sn1 reaction which starts due to the acidity of the solution. An -OH group is a poor leaving group, however and -H2O group is not. The oxygen on the -OH group of the triphenylmethanol can commence a nucleophilic attack on the H+ found in the solution thanks to the H2SO4, this results in an -OH2 group forming at the triphenyl, which as stated before is a good leaving group, hence it leaves the now positively charged triphenyl.
Hydrolysis Of T-Butyl Chloride Lab Report
1766 Words | 8 PagesAbstract In this experiment, the reaction kinetics of the hydrolysis of t-butyl chloride, (CH3)3CCl, was studied. The experiment was to determine the rate constant of the reaction, as well as the effects of solvent composition on the rate of reaction. A 50/50 V/V isopropanol/water solvent mixture was prepared and 1cm3 of (CH3)3CCl was added. At specific instances, aliquots of the reaction mixture were withdrawn and quenched with acetone.
Eucalyptol Synthesis Lab Report
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Soda Ash Lab Report
1129 Words | 5 PagesCotton and linen fibers are cellulose-based. Wool and silk are both animal-protein-based natural fibers. Wool is made from the hair of sheep, and silk is made from silkworm cocoons. Some dyes react best with cellulose-based fibers, forming permanent covalent chemical bonds with cellulose, while others react better with protein-based fibers. In addition, some synthetic fibers are chemically similar to certain natural fibers, this affects which dyes react best with the different synthetic
Benzocaine Synthesis Lab Report
536 Words | 3 PagesIn the round-bottom flask (100 mL), we placed p-aminobenzoic acid (1.2 g) and ethanol (12 mL). We swirled the mixture until the solid dissolved completely. We used Pasteur pipet to add concentrated sulfuric acid (1.0 mL) to the flask. We added boiling stone and assembled the reflux. Then, we did reflux for 75 minutes.
Acetylsalicylic Acid Synthesis Lab Report
704 Words | 3 PagesLab Report 5: Acetylsalicylic Acid (Aspirin) Synthesis Name: Divya Mehta Student #: 139006548 Date Conducted: November 19th 2014 Date Submitted: November 26th 2014 Partner’s Name: Kirsten Matthews Lab Section: Wednesday 2:30 L9 IAs Name: Brittany Doerr Procedure: For the procedure, see lab manual (CH110 Lab Manual, Fall 2014) pages 96-98. Wilfrid Laurier University Chemistry Department. Fall 2014. Acetylsalicylic Acid (Aspirin) Synthesis.
Chrome Orange: Lead, Chromium-Based Pigment?
182 Words | 1 Pages“Chrome Orange” is a lead, chromium-based pigment that was introduced in 1809. The color can range from light to deep orange, and was only recently ceased in world production. This was the first real orange pigment since the medieval use of “Realgar”. “Chrome Orange” is depicted in the painting above on the boats. Pigments are ground colored materials that are the basis of all paints.
4-Tert-Butylcyclohexanone Lab Report
1574 Words | 7 PagesThe objective of this two-part experiment was to in Part I, create 4-tert-butylcyclohexanone via oxidation of 4-tert-butylcyclohexanol to provide a source of ketone for reduction procedures. Part II of the experiment was conducted preforming a series of reduction reactions in effort to asses the diastereoselectivity of aluminum isopropoxide (MPV reduction), sodium borohydride (NaBH4), and L-selectride when reacted with 4-tert-butylcyclohexanone. The methods used for analysis were TLC, IR, and 1HNMR spectroscopy. An oxidation of 4-tert-butylcyclohexanol was conducted to produce the ketone, 4-tert-butylcyclohexanone using oxidizing reagent, sodium hypochlorite in glacial acetic acid solvent.
Methyl Trans-Cinnamate Lab Report
1399 Words | 6 PagesAbstract – Methyl trans-cinnamate is an ester that contributes to the aroma of strawberry. It can be synthesized by an acid-catalyzed Fischer esterification of a methanol and trans-cinnamic acid under reflux. The solution was extracted to obtain the organic product, and evaporated residual solvent The yield was 68%, but there is some conflicting data regarding the purity. The melting point, IR, GC-MS indicate a highly pure desired product whereas 1H NMR shows there are unreacted reagents still present.
Hydrochloric Acid Lab Report
876 Words | 4 PagesCLAIRE MUNTING 29/01/2018 Criterion C EFFECTS OF SURFACE AREA OF CALCIUM CARBONATE UPON RATE OF REACTION Calcium Carbonate Chips 1 Introduction: Within the current investigation, the effects of the surface area of Calcium Carbonate (CaCO3) in combination with Hydrochloric acid (HCl) upon its rate of reaction. CaCO3, commonly referred to as limestone, is an organic substance and is, in a sense, the crystallised “carbonic salt” of the element, calcium2. In addition to being a salt, the pH level of Calcium Carbonate is 9.91, and it is therefore, a basic substance, due to the fact that it is comprised of a pH level higher than 7, which is neutral3. HCl, however, is the bodily acid found in the stomach of human beings.
Properties Of Substances Lab Report
1038 Words | 5 PagesProperties of Substances Express Lab 1)The purpose of this lab was to compare the physical properties of different types of solids and how the properties of solids are determined by their intermolecular forces and their intramolecular bonds. Then we were to classify each type of solid as either ionic, metallic, non-polar molecular, polar molecular, or network. Paraffin wax classified as a non-polar molecular, Silicon dioxide was classifies as a network, Sodium chloride was classified as ionic, Sucrose was classified as polar molecular and Tin was classified as metallic. (2)The intermolecular forces that are present in Paraffin wax are dispersion forces, because it is non-polar and carries a negative charge. Followed by Sucrose that has
Recrystallizing Benzoic Acid Lab Report
1019 Words | 5 PagesPurpose/Introduction The process of recrystallization is an important method of purifying a solid organic substance using a hot solution as a solvent. This method will allow the separation of impurities. We will analyze Benzoic Acid as it is dissolved and recrystallized in water and in a solvent of Methanol and water. Reaction/Summary
Benzoic Acid Lab Report
767 Words | 4 PagesAbstract The unknown concentration of benzoic acid used when titrated with standardized 0.1031M NaOH and the solubility was calculated at two different temperatures (20◦C and 30◦C). With the aid of the Van’t Hoff equation, the enthalpy of solution of benzoic acid at those temperatures was determined as 10.82 KJ. This compares well with the value of 10.27KJ found in the literature.
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