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91. Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

92. Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.

93. The p-xylene selectivity of toluene disproportionation reaction on deactivated HZSM-5 increases with the increase of coke content.

94. The application result showed that the recovery rates of methyl ethyl ketone and toluene were higher than 95% attributed to the advanced technique design and the good adsorption materials adopted.

95. Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent.

96. The synthesis of ethyl cellulose was studied by one-step method, with toluene as diluent and orthogonal test was adopted.

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97. The viscous oily prepolymers can be satisfactorily crosslinked with toluene diisocyanate and glycerine to form rubbery elastomers.

98. The chemicals formaldehyde, toluene and dibutyl phthalate are used in most nail polishes.

99. Determination of toluene of reformate by on-line NIR is described in the paper.

100. At the same time the company coating line, coating toluene recovery equipment.

101. Results Those samples ingredients easy to volatilize were mainly toluene, butanone, gasoline, ethyl acetate, acetone, etc. All of them were rated as low toxic for their acute toxicity.

102. Using 5-Norbornene-2,3-dicarboxylic anhydride(NA), and methanol as raw materials, toluene as water entrainer, phosphate as catalyzer, 5-norbornene-2,3-dicarboxylic acid dimethyl ester was synthesized.

103. The organic solvents can impact the activity strongly. The transesterification activity of enzyme in toluene, isooctane and pyridine has been investigated.

104. HZSM-5 zeolite catalyst was treated with aqueous H_3BO_3 and the catalytic activity of the prepared catalysts was investigated by the alkylation of toluene with ethanol.

105. The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were studied.

106. The N-methyl-2-pyrrolidone is chosen as polycondensation media and toluene as carrier of water.

107. And the excess volume of toluene - pyridine was measured with the dilatometer.

108. A polyisocyanate curing agent, which is mainly composed of toluene diisocyanate (TDI) trimer, was prepared in the presence of the base metal carboxylate K-1000. The reaction conditions were studied.

109. The di- octadecanol maleic was prepared with maleic anhydride and octadecanol as raw materials and p - toluene sulphonic acid as catalyst.

110. Ethyl 1,3 oxathiolane was synthesized by the reaction of 2 mercaptoethanol and propyl aldehyde in the presence ofp toluene sulfonic acid, with benzene as azeotropic dehydrating agent.

111. The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.

112. The solubility curves of OGO in both solvents were measured. The growth conditions of crystals in toluene were discussed.

113. Diglycol diacetate had been obtained with sulfuric acid or toluene - p - sulfonic acid as catalyst in lab.

114. Solubility: Soluble in methanol, ethanol. Hardly soluble in toluene, xylene.

115. METHOD Under the same conditions of microwave power and extraction time, methanol, alcohol, toluene, acetone and hexamethylene were used as the extractant to carry out intermittent extraction.

116. Based on liquid chromatographic (LC) monolithic columns, the high-permeable monolithic columns can be applied in GC through changing the ratio of toluene and dodecanol.

117. It is readily soluble in toluene, MEK, acetone and other solvents commonly used in adhesive and coating systems.

118. The reason for leakage of condensate pipeline from toluene diisocyanate(TDI) flash tank to deaerator is analyzed and the solution is put forward.

119. Conclusion: This method has been successfully used for the detection of residual acetonitrile and toluene as organic solvents in fluvoxamine.

120. A aqueous polyurethane emulsion has been prepared based on polyether polyols and toluene diisocyanate.