A kind of modified chlorinated paraffin and its preparation method and application
A chlorinated paraffin and modification technology, applied in the field of modified chlorinated paraffin and its preparation, can solve the problems of easy oil production of parts, high price of main plasticizer, poor plasticizing effect, etc., and achieve optimized plasticizing performance , The plasticizing effect is significant, and the plasticizing efficiency is improved.
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Embodiment 1
[0041] A kind of modified chlorinated paraffin proposed by the present invention comprises the following steps:
[0042] (1) Synthesis of 5-mercaptoisophthalic acid
[0043] 100 parts (molar parts, the same below) of methanol and 10 parts of sodium hydrosulfide were added to the reactor, and after the temperature was raised to 50° C., 10 parts of 5-chloroisophthalic acid were slowly added dropwise, and the reaction was carried out under nitrogen protection for 12 h. After the reaction was completed, vacuum-dried at 100 °C for 2 h. A light yellow liquid was obtained, which was poured into ethanol for extraction, and dried under vacuum at 100° C. for 2 h to obtain the light yellow liquid product SDA.
[0044] (2) 5-mercaptoisophthalic acid grafted chlorinated paraffin
[0045] 100 parts of acetone and 10 parts of chlorinated paraffin CP were added to the reactor, and after stirring and dissolving, 10 parts of SDA and 20 parts of potassium tert-butoxide were added, and the reac...
Embodiment 2
[0049] A kind of modified chlorinated paraffin proposed by the present invention comprises the following steps:
[0050] (1) Synthesis of 5-mercaptoisophthalic acid
[0051]100 parts (molar parts, the same below) of methanol and 10 parts of sodium hydrosulfide were added to the reactor, and after the temperature was raised to 55° C., 9.1 parts of 5-fluoroisophthalic acid were slowly added dropwise, and the reaction was carried out under nitrogen protection for 13 hours. After the reaction was completed, vacuum-dried at 100 °C for 2 h. A light yellow liquid was obtained, which was poured into ethanol for extraction, and dried under vacuum at 100° C. for 2 h to obtain a light yellow liquid product SDA.
[0052] (2) 5-mercaptoisophthalic acid grafted chlorinated paraffin
[0053] 100 parts of acetone and 10 parts of chlorinated paraffin CP were added to the reactor, and after stirring and dissolving, 9.1 parts of the first-step reaction product SDA and 20 parts of potassium ter...
Embodiment 3
[0057] A kind of modified chlorinated paraffin proposed by the present invention comprises the following steps:
[0058] (1) Synthesis of 5-mercaptoisophthalic acid
[0059] 90 parts (molar parts, the same below) of methanol and 10 parts of sodium hydrosulfide were added to the reactor, and after the temperature was raised to 50° C., 10 parts of 5-nitroisophthalic acid were slowly added dropwise, and the reaction was carried out under nitrogen protection for 10 hours. After the reaction was completed, it was vacuum-dried at 90°C for 3h. A light yellow liquid was obtained, which was poured into ethanol for extraction, and dried under vacuum at 90° C. for 3 h to obtain a light yellow liquid product SDA.
[0060] (2) 5-mercaptoisophthalic acid grafted chlorinated paraffin
[0061] 90 parts of acetone and 10 parts of chlorinated paraffin CP were added to the reactor, and after stirring and dissolving, 10 parts of SDA and 18 parts of potassium tert-butoxide were added, and the re...
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