异氰酸乙酯

反应条件: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 113 parts of ε-caprolactam, 91 parts of ethyl acetate and 0.015% of dibutyl-tin dilaurate are initially taken in a reaction vessel and are heated at about 50° C. A mixture of 69 parts of vinyl isocyanate and 91 parts of ethyl acetate is added dropwise in the course of 1 hour, after which the mixture is allowed to continue reacting for a further 5 hours. A pale yellow clear solution is obtained. Content of blocked isocyanate groups: 11.5%. Preparation of component (C) is added dropwise in the course of 1 hour A pale yellow clear solution is obtained

反应条件: temp:40.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 69 parts of vinyl isocyanate and 89.5 parts of ethyl acetate are initially taken in a reaction vessel and are heated at 40° C. A mixture of 110 parts of cyclohexanol, 89.5 parts of ethyl acetate and 0.02% of dibutyltin dilaurate as the catalyst is added in the course of one hour, after which the mixture is allowed to continue reacting for a further 2 hours at 40° C. A pale yellow solution is obtained, from which, on cooling, the reaction product separates out in the form of crystals. Content of blocked isocyanate groups: 11.7%. is added in the course of one hour A pale yellow solution is obtained, from which on cooling

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 69 parts of vinyl isocyanate and 70 parts of ethyl acetate are initially taken in a reaction vessel equipped with a high-efficiency condenser (with cooling brine), a stirrer, a thermometer and a feed Vessel. 74 parts of tert.-butanol, 73 parts of ethyl acetate and 0.01% of dibutyl-tin dilaurate are added in the course of 1 hour at 40° C., after which the mixture is allowed to react for a further 10 hours at this temperature. A pale yellow clear solution is formed. Content of blocked isocyanate groups: 14.7%. to react for a further 10 hours at this temperature A pale yellow clear solution is formed

反应条件: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 113 parts of ε-caprolactam and 91 parts of ethyl acetate (+0.015% of dibutyl-tin dilaurate) are introduced into a reaction vessel and heated to about 50° C. A mixture of 69 parts of vinyl isocyanate and 91 parts of ethyl acetate is then added dropwise in the course of 1 hour. The reaction is then allowed to continue for 5 hours. A light yellow clear solution is obtained. Blocked isocyanate content: 11.5%. is then added dropwise in the course of 1 hour A light yellow clear solution is obtained

反应条件: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 113 parts of ε-caprolactam and 91 parts of ethyl acetate (+0.015% of dibutyl-tin dilaurate) are introduced into a reaction vessel and heated to about 50° C. A mixture of 69 parts of vinyl isocyanate and 91 parts of ethyl acetate is then added dropwise in the course of 1 hour. The reaction is then allowed to continue for 5 hours. A light yellow clear solution is obtained. Blocked isocyanate content: 11.5%. is then added dropwise in the course of 1 hour A light yellow clear solution is obtained

反应条件: temp:40.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 69 parts of vinyl isocyanate and 89.5 parts of ethyl acetate are introduced into a reaction vessel and heated to 40° C. A mixture of 110 parts of cyclohexanol and 89.5 parts of ethyl acetate (containing 0.02% of dibutyl-tin dilaurate as the catalyst) is added in the course of 1 hour. The mixture is then allowed to react for a further 2 hours at 40° C. A light yellow solution is obtained, from which the reaction product separates out, as crystals, on cooling. Blocked isocyanate content: 11.7%. is added in the course of 1 hour to react for a further 2 hours at 40° C A light yellow solution is obtained, from which the reaction product on cooling

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A 500 ml 3-necked round bottom flask equipped with a reflux condenser, a mechanical stirrer, a thermometer, a dropping funnel and an efficient N2 blanket, is charged with 2-aminoethyl methacrylate hydrochloride 41.4 g (0.25 mole), 50mg of hydroquinone and 300 ml of chloroform. The contents are cooled to between 0 and 5 degrees C. and stirred. Through a dropping funnel 25.3 g (0.25 mole) of triethylamine and 13.3 g (0.25 mole) of vinyl isocyanate in 50 ml of chloroform are added into the reaction flask and maintained at between 0 and 5 degrees C. The temperature is allowed to rise to room temperature with the contents stirred constantly overnight, passed through a silica gel column and dried with magnesium sulfate. The contents are then evaporated under reduced pressure to give the named product. A 500 ml 3-necked round bottom flask equipped with a reflux condenser, a mechanical stirrer The contents are cooled to between 0 and 5 degrees C maintained at between 0 and 5 degrees C to rise to room temperature with the contents stirred constantly overnight dried with magnesium sulfate The contents are then evaporated under reduced pressure to give the named product

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 231 parts of 1-bromoethylcarbamic acid bromide and 475 parts of α-pinene is heated at from 23° to 120° C. in the course of 1.5 hours, whilst stirring, and the reaction mixture is then subjected to fractional distillation. A total of 14.6 parts (10% of theory) of 1-bromoethyl isocyanate of freezing point -27.5° C. (decomposition) and 61.5 parts (89% of theory) of vinyl isocyanate of boiling point 38.5° C./1013 mbar is obtained. is heated at from 23° to 120° C. in the course of 1.5 hours the reaction mixture is then subjected to fractional distillation

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 231 parts of 1-bromoethylcarbamic acid bromide and 475 parts of α-pinene is heated at from 23° to 120° C. in the course of 1.5 hours, whilst stirring, and the reaction mixture is then subjected to fractional distillation. A total of 14.6 parts (10% of theory) of 1-bromoethyl isocyanate of freezing point -27.5° C. (decomposition) and 61.5 parts (89% of theory) of vinyl isocyanate of boiling point 38.5° C./1013 mbar is obtained. is heated at from 23° to 120° C. in the course of 1.5 hours the reaction mixture is then subjected to fractional distillation

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 160 parts of 1-chloroethylcarbamic acid chloride and 537 parts of α-pinene is heated at from 124° to 105° C. in the course of 2 hours, whilst stirring, and the reaction mixture is then subjected to fractional distillation. A total of 27.6 parts (23% of theory) of 1-chloroethyl isocyanate of boiling point 92° C./1013 mbar and 34.6 parts of vinyl isocyanate of boiling point 38.5° C./1013 mbar is obtained. is heated at from 124° to 105° C. in the course of 2 hours the reaction mixture is then subjected to fractional distillation

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 160 parts of 1-chloroethylcarbamyl chloride and 537 parts of α-pinene is heated from 24° to 105° C. in the course of 2 hours, whilst stirring, and the reaction mixture is subjected to fractional distillation. A total of 27.6 parts (23% of theory) of 1-chloroethyl isocyanate of boiling point 92° C./1,013 mbar and 34.6 parts of vinyl isocyanate of boiling point 38.5° C./1,013 mbar, is obtained. is heated from 24° to 105° C. in the course of 2 hours the reaction mixture is subjected to fractional distillation

反应条件: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 57 parts of 1-chloroethylcarbamyl chloride, 156 parts of ethyl isocyanate and 841 parts of hexamethylene diisocyante is heated to 90° C. in the course of 3 hours, whilst passing a stream of nitrogen at 22° C. through the mixture. A mixture of 11.8 parts (42.5% of theory) of vinyl isocyanate, of boiling point 38.5° C./1,013 mbar, 10.1 parts (23.8% of theory) of 1-chloroethyl isocyanate of boiling point 92° C./1,013 mbar and 149 parts of ethyl isocyanate is obtained in the distillation receiver. at 22° C.