Chapter 17 Fat + Lye Soap (contain lye) Triglyceride + NaOH salt of fatty acid + glycerin O O R' C H2C O O CH H2C O tryglyceride (fat or oil) O C R O + C R" + H2C 3KOH HO CH + H2C base OH glycerin R' K O C O O K O carboxylate salt (soap) fats& oils with superheated steam Additives: dyes, perfumes, creams, oils Scouring soap: abrasivesilica,pumice,oatmeal deoderant soap air blown in potassium soaps softer, finer lather Shampoos, cosmetics-fatty acid, triethylamine R O K OH C C R" How soaps work O C12H25- -SO 2-OH + NaOH C12H25- -S O- Na + O Anionic disadvantages: acidic solution, hard water (Ca2+, Mg2+, Fe2+) water softeners:sodium carbonate, trisodium phosphate, ion exchange Synthetic detergents: ABS alkylbenzenesulfonates, LAS linear alkylsulfonates CH3 (CH2)10 CH2O-SO3 H + NaOH An alkyl sulfuric acid CH3 (CH2)10 CH2O-SO3- Na+ An alkyl sulfate salt (a detergent) surface-active agent builder: sodium tripolyphosphates, sodium carbonate, zeolites optical brighteners liquid detergents more convenient LAS unbuilt liq. detergents: sodium or triethylamine salts built: potassium salts AES alcohol ether sulfates: hydrocarbon from alcohol, polar from ethylene oxide, efficient but more expensive LAS and AES anionic surfactants Nonionic: alcohol ethoxylates Builders: phosphates, zeolites, sodium carbonate Fillers: sodium sulfate corrosion inhibitors: sodium silicate suspension agent: carboxymethylcellulose enzymes bleaches: perborate, sodium perchlorate optical whitener: flourescent dye fragrance coloring agents: bluing effect Dash: Cleaning agents (anionic surfactants), water softener (sodium carbonate), processing aids (sodium sulfate), washer protection agents (sodium silicates), soil suspending agent, fabric whitener, perfume Tide: biodegradable surfactants (anionic and nonionic) and enzymes. Forms activated hydrogen peroxide in the wash dishwashing detergent: surfactants automatic dishwashers: caustic cationic surfactants: fabric softeners, germicides bleaches all-purpose cleaners: surfactants, ammonia, baking soda, vinegar, solvents, disinfectants, deoderants toilet bowl cleaners: sodium bisulfate, HCl, citric acid to remove calcium carbonate scouring powder: silica, surfactant, bleach glass cleaners: isopropyl alcohol, ammonia drain cleaners: sodium hydroxide, Al, bleach oven cleaners: sodium hydroxide organic solvents: petroleum distillate paint: pigment, binder, solvent, additives waxes: beeswax, carnauba wax, spermaceti wax, lanolin skin lotion: emulsion of tiny oil droplets in water skin cream: tiny water droplets in oil ingredients: humectants, emollients, collagen, UV protection lipstick: similar to skin cream, antioxidants, bromo acid dyes mascara: soap, oil, fat, waxes pigment: iron oxide, carbon, chromium oxide, ultramarine eye shadow: petroleum jelly, fats, oils, waxes, titanium dioxide, zinc oxide, dye deoderant: perfume, germicide Power Stick: Proplyene glycol, water, sodium stearate, lauramide DEA, fragrance, triclosan, hydroxyethylcellulose, D&C green No. 5, FD&C blue No. 1 antiperspirant: aluminum or zirconium chlorides & hydroxides Power Stick: Aluminum Zirconium Tetrachlorohydrex Gly., cyclomethicone, stearyl alcohol, hydrogenated castor oil, talc, peg-8 distearate, fragrance toothpaste: detergent: soap, sodium laurel sarcosinate abrasive: silica, calcium salts, baking soda sweetener: saccharin flavors: wintergreen, peppermint thickeners: cellulose gum, polyethylene glycols perservatives: parabens plaque: sodium pyrophosphate fluoride Colgate Total: Hydrated silica, water, glycerin, sorbitol, PVM/MA copolymer, sodium lauryl sulfate, flavor, cellulose gum, sodium hydroxide, propylene glycol, carrageenan, sodium saccharin, titanium oxide Perfume: fragrance, solvent Hair:keratin, protein held together by hydrogen bonding, salt bridges, disulfide linkages, hydrophobic interactions, lubricated with sebum Shampoo: pH ~5, sodium dodecyl sulfate, amphoteric shampoo for children, collagen or keratin Conditioners: long chain alcohols or quaternary ammonium salts Silkience: water, cetyl alcohol, dicetyldimonium chloride, stearyl alcohol, sorbitol, ceteareth-20. phenoxyethanol, stearamidopropyl dimethyamine, fragrance, steareth100, behenyl alcohol, panthenol, fluoroquaternary, FD&C red No. 4, FD&C yellow No. 10 Hair coloring: temporary Vs permanent Permanent: reducing agent-thioglycolic acid oxidizing agent-hydrogen peroxide Hair removers: soluble sulfur compounds, strongly basic, sodium or calcium sulfide Hair restorers: Minoxidil-Rogaine (treat high-blood pressure) Problems: 17.1, 17.2, 17.3, 17.4, 17.5, 17.6, 17.7, 17.8, 4, 6, 8, 11, 14, 16, 18, 20, 22, 26, 28, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 80, 82, 84, 86