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Parafinas


Enviado por   •  19 de Septiembre de 2014  •  1.614 Palabras (7 Páginas)  •  216 Visitas

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PREPARATION OF OIL / WATER EMULSIONS OF PARAFFIN

AND BEES WAXES WITH WATER

Muhammad Salman*, Jamil Anwar, Waheed-uz-Zaman,

Muhammad Umer Shafique, Aisha Irfan

Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan

Abstract: The wax emulsions have a great industrial importance as these are used in

various fields like protective coatings of fruits, seeds, cemented material, paper boards

etc. They showed great water repellency, lubrication, sewability and finishing to the first

product when applied to knitting yarn in textile industry. In present work a few useful

emulsions are prepared by using paraffin and bees waxes. A variety of emulsifiers and

stabilizers were checked to serve the purpose. The best sprayable emulsions were

obtained using stearic acid triethanolamine and oleic acid triethanolamine as

emulsifiers. Application on cemented materials was also checked.

Introduction [2] polishing cars without water. Cui and

The term wax encompasses a large range his co-workers prepared emulsion

of naturally occurring and synthetic mixing slack wax, neurtal oil,

materials constituted from high fatty acid ethoxylated nonylphenol, oleic acid,

esters (typically C C ) or polymers HOCH CH NH and balanced water. 36 50 2 2 2

[3] (molecular weight 700 - 10,000) that Hayase prepared wax emulsion useful

differ from fats in being harder and less in skin care products containing sorbitan

greasy. The term wax should be rather monostearate, stearic acid, biphenyl

seen as a generic term for materials that alchohol, self emulsified glycerine

o

are solids at 20 C, varying in consistency monostearate, paraffin wax, squalene,

from soft and plastic to hard and brittle. Bu paraben, sodium N stearyl-2-

Chemically, a wax is a type of lipid that glutamate, Me paraben, concentrated

may contain a wide variety of long chain glycerine, dipropylene glycol, retinal

[4] primary alcohols and fatty acids, usually palmitate and water. Klaws and Ute

distinguished from fats by the lack of prepared wax emulsion comprising

triglyceride esters of glycerine (propane- essentially an emulsion of high melted

1,2,3-triol). Paraffin waxes are paraffin wax, an amine salt of carboxylic

hydrocarbons, mixture of alkanes acid, water and optionally alkyl

usually in a homologous series of chain polyglycol ether. The emulsion was

lengths. Paraffin waxes refers to the applicable to underground attachments

solids with n = 20-40. Paraffin wax is and carriageway pavements as soil

[5] unaffected by most common chemical stabilizing agent. Tadahiko ad Yoshika

reagents and has high electrical manufactured an emulsion for coating

13 17 resistivity (10 10 m). Due to its the constructed materials, consisting of

immence properties it has many Me chloride, paraffin wax, nonprotic

industrial and domestic applications like polar solvent and vinyl acetate emulsion

[6] coating of cemented materials, textile particle parts. Kimno and co-workers

fibers etc. prepared an emulsion consisting of

paraffin wax, mircocryst. wax,

[1]

Jinhhuan and co-workers prepared polyethylene nonylphenyl ether and

emulsion by using paraffin wax which is water. The emulsions thus formed used in

applicable in washing, cleaning and cleaning booths which involves

Journal of Scientific Research

Vol. XXXVIII No. 2, December, 2008

PREPARATION OF OIL / WATER EMULSIONS OF PARAFFIN

AND BEES WAXES WITH WATER

Muhammad Salman*, Jamil Anwar, Waheed-uz-Zaman,

Muhammad Umer Shafique, Aisha Irfan

Institute of Chemistry, University of the Punjab, Lahore-54590, Pakistan

Abstract: The wax emulsions have a great industrial importance as these are used in

various fields like protective coatings of fruits, seeds, cemented material, paper boards

etc. They showed great water repellency, lubrication, sewability and finishing to the first

product when applied to knitting yarn in textile industry. In present work a few useful

emulsions are prepared by using paraffin and bees waxes. A variety of emulsifiers and

stabilizers were checked to serve the purpose. The best sprayable emulsions were

obtained using stearic acid triethanolamine and oleic acid triethanolamine as

emulsifiers. Application on cemented materials was also checked. 6

spreading and spraying the emulsion on Following the same procedure different

booth interiors forming a layer and then emulsion have been prepared by

spreading the warm water to melt the changing the emulsifier stabilizer (i.e.

layer and to remove residual coating after stearic acid, oleic acid, oleic acid

[7]

...

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