الجمعة , مايو 20 2022
الرئيسية / أرشيف الوسم : HIGH

أرشيف الوسم : HIGH

UPGRADING THE UTILIZATION OF BLACK LIQUORWASTE-BASED RS PULPIN PROCESS IN PRODUCTION HIGH PERFORMANCE WOOD ADHESIVE

THIS INVENTION DEALING WITH THE USE OF A NEW APPROACH TO UPGRADING THE UTILIZATION OF BLACK LIQUOR AS A WASTE FROM PULPING PROCESS OF RICE STRAW, IN PREPARATION OF HIGH PERFORMANCE WOOD ADHESIVE. IN THIS RESPECT THE EVALUATION WAS PERFORMED ON CHARACTERIZING THE ADHESIVES AND PARTICLE-BOARD PRODUCED, BOTH ENVIRONMENTAL AND BOARD QUALITY. THE PROMISING RESULTS FROM USING BLACK LIQUOR- UF …

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NEW APPROACH FOR PREPARATION OF HIGH PERFORMANCE COLOURED

THIS INVENTION FOCUSED ON PREPARATION OF HIGH PERFORMANCE COLORED PAPER, CHARACTERIZED BY HIGH STRENGTH, THERMAL RESISTANCE, FIRE RETARDANCE, BIOLOGICAL RESISTANCE, MAGNETIC PROPERTIES, AS WELL AS ITS DURABILITY TOWARD AGEING. IN THIS RESPECT CARBOXYMETHYL CELLULOSE-COPPER(II) COMPLEX WAS USED AS PAPER ADDITIVE. DIFFERENT COPPER SALTS (E.G., CHLORIDE, SULFATE AND ACETATE) AS A SOURCE OF COPPER IONS IN COMPLEX, AS WELL AS PH- …

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