User talk:Acetamilnadu

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POLYMER MATERIAL
ABSTRACT: POLYMER  MATERIAL  PLAY  AN  IMPORTANT   ROLE   IN  THE MODERN WORLD. THE MATERIAL ARE  AVAILABLE  EITHER IN NATURAL WAY OR  SYNTHETIC WAY. SYNTHETIC MATERIAL ARE USED FOR  THE  PLASTICS, FIBRES ETC.,  NATURAL  MATRIAL  SUCH  AS RUBBER ,CELLULOSE,WOOD ETC., THESE ARE ESSENTIAL FOR CLOTHING, SHELTHER, TRANSPORTATION ,COMMUNICATION IN MODERN LIVING. INTRODUTION: IN WORD OF POLYER IN GREEK WORD “POLY” MEAN MANY  &  “MER” MEAN UNIT OR PART. A  POLYER  IS A CHEMICAL   COMPOUND  UNIT  LAGER  MOLECULER  MADE  OF MANY  SMALLER MOLECULE  OF SMALL  KIND  IN  LAB &  FACTORIES. COMPANY: 	AUTOMOBILES 	DEFENCE 	ELECTRICAL GOOD & COMPUTER COMPONENT

RUBBER INDUSTRY

1)NATURAL RUBBER 2)SYNTHETIC 3)BUTYLE 4)NEOPRENE 5)NITRILE PLASTICS: PLASTICS IS USED IN  LASTEST 50 YEARS. BUT  MORE POLLUTION  IN LAND DISADVANTANAGE: 	SOFTNESS . 	DEFORMATED  UNDER LOAD . 	COMBUSTIBILITY.

DIFFERENTION  TYPE  OF  RELAIMED  RUBBER  ARE  USED  RUBBER  INDUSTRY  SUCH  AS 1)	TRYE  TREAD  RECLAIM 2)	FLOAT 3)	BUTYL 4)	FIBER BEARING 5)	WHOLE TRYE REFERENCE: 1)	RUBBER WORLD (NEWYORK) 2)	VENDERHILT RUBBER HAND BOOK 1958(NEWYORK) 3)	ANALYSIS OF RUBBER  & RUBBER – LITTLE POLYER W.C.WAKE ,R.A

CONCLUSION: RUBBER IS  USED INTO MANY TYPES IN  MODERN WORLD. PEOPLE SHOULD AVOILD THE PLASTIC USE. TO SAVE THE ENVORIENMENT THE FUTURE

About free from pollution
About free from pollution 1) Using renervable source of energy for transportation, for domastic purpose and also in industry uses.                          2) Keep the vichle in condition to prevent spewing out toxic gases, reduce use of private vichle. 3) Treat seawage and industry the effluents before discharging into water bodys.                            4) Use natural fertilizer for agriculture. 5) Employed methods for prepore re-cycle of non-bio degrable wastes. Such as plastic ect,                           6) Do not cut the trees, that is deforest in the name of expension of land spaces. 7) Engrage deforestation more plant and more trees are save.                            8) Save water on rain water harvesting.........

Reduce the pollution
Reduce the pollution 1) Use natual fertilizer for land                    2) Save water on rain water havesting 3) Don't cut trees                 4) Avoid using buning plastics and wastages 5) Don't put garbbage on the streets                  6) put the garbage on dustbin 7) Use the recycle when going nearest place               8) Don't use polythin bags

Sulphur Black Dye
	ABSTRACT: .Now a days sulphur black dye is   widely  useful for men and women  for purpose of coloring  the hair. Itis manufactured for commercial importance. 	INTRODUCTION: Dye belongs to the group of sulphur dyes. It  is soluble in hot aqueous solution of sodium sodiumsulphide .but main drawback of this dye is poor fastness to chlorine.The fastness of dye can be increased by using melamine for formaldehyde resin which formschloramines derivative with chlorine, sulphur dye has a tendency to develop sulphuric acid on storage. It is suggested to use airtight vessel for strange and cool dry condition is very essential. This dye cannot be stored for a very long time since deterioration is likely to occur. 	HISTORY: According to data available for dye stuffs and intermediates the domestic demand for sulphur black dye was 6950 MT during 2000-2001 and likely to increase further in the coming years. Beside, there is a good export potential for the dyes in developed and developing countries. Keeping in view the increase in demand further there is a good scope for the setting up of new units for the manufacturing of sulphur black dye. 	COMPANY: GOODREJ DYE,GARNIER BLACK&COLOUR DYE. 	LECTURE: Process of Manufacture The dye manufacturing process is Controlled and standardized in order to Produce homogenous dyestuff with Specified dyeing properties. The sulphur dye consists of a mixture of compounds carrying in molecular size sulphur content and other properties. Although Sulphur dyes are prepared from varied types of intermediates and other varied Conditions, their chemical reactivity and dyeing properties are very similar. The dyeing properties are essentially dependent on the content of sulphur as sulphide or disulphide linkages or thiazole or thiazing ring system. The process for the manufacture of sulphur black involves heating of dinitrochloro benzene (dncb) at 1000 C with help of stem in a jacketed mild steel reactor. Caustic dye is then added to it Very slowly at 900 –1000 C to make Dinitro-phenol. Similarly, polysulphide Of sodium is prepared in a separate vessel by reacting caustic lye and sulphur at 1350 C. The whole mass is then transferred to dinitro phenol solution and heated for 24 hours at 1100C. During the reaction air is passed for 12 hours at 900 C. After completion of the reaction the mass is filtered, washed and solubilized. The sulphur black solution thus obtained is dried in steam heated plated to obtain sulphur black grains. The filtrate contains about 200 gm/ lit. of sodium thio sulphate. The solution Is evaporated in evaporators to make the solution viscous and is then sent to crystallize to get sodium thio sulphate in crystal form and packed. 	Quality Control and Standards: Most of the units are manufacturing this item as per customer’s specification. The product is strictly manufactured to the standard and specification required by the purchaser. 	Raw Material: The main Raw Materials required for the manufacture of sulphur black dye are dinitro-chlorobenzene, caustic soda, sulphur and sodium sulphide. All the Raw Materials are indigenously available except the sulphur, which may be obtained through MMTC.