Production method for environmental-friendly low-temperature-resistant antiflaming compound plasticizer
A flame-retardant compounding and production method technology, which is applied in the production field of environmentally friendly low-temperature resistant flame-retardant composite plasticizers, can solve problems such as low mechanical properties of plasticizer products, achieve improved mechanical properties, be environmentally friendly, and enhance flame-retardant properties Effect
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Embodiment 1
[0022] This embodiment is a production method of an environmentally friendly low temperature resistant flame retardant composite plasticizer, comprising the following steps:
[0023] (1) Preparation of plasticizer matrix:
[0024] (1) Esterification: Pour the measured decanol into the reactor according to the ratio. After the temperature of the reactor is lower than 80°C, add sebacic acid according to the ratio, and then add the catalyst according to the ratio. When the temperature of the material rises to 220°C, the negative Pressure reaction, when the acid value <0.1mgKOH / g, carry out flash dealcoholization; the weight ratio of sebacic acid and decanol is: sebacic acid: 1 part, decanol: 1.57 parts; the addition amount of catalyst is decanol 0.2% of the total weight of diacid and decanol;
[0025] (2) Refining: After the flash evaporation, add sodium carbonate according to the ratio for neutralization. The neutralization time is 10 minutes. When the temperature of the reacto...
Embodiment 2
[0033] This embodiment is a production method of an environmentally friendly low temperature resistant flame retardant composite plasticizer, comprising the following steps:
[0034] (1) Preparation of plasticizer matrix:
[0035] (1) Esterification: Pour the measured decanol into the reactor according to the ratio. After the temperature of the reactor is lower than 80°C, add sebacic acid according to the ratio, and then add the catalyst according to the ratio. When the temperature of the material rises to 223°C, start negative reaction. Pressure reaction, when the acid value <0.1mgKOH / g, carry out flash dealcoholization; the weight ratio of sebacic acid and decanol is: sebacic acid: 1 part, decanol: 3 parts; the addition amount of catalyst is decanol 0.6% of the total weight of diacid and decanol;
[0036] (2) Refining: After the flash evaporation, add sodium carbonate according to the ratio for neutralization. The neutralization time is 20 minutes. When the temperature of t...
Embodiment 3
[0044] This embodiment is a production method of an environmentally friendly low temperature resistant flame retardant composite plasticizer, comprising the following steps:
[0045] (1) Preparation of plasticizer matrix:
[0046] ⑴Esterification: Pour the measured decanol into the reactor according to the ratio. After the temperature of the reactor is lower than 80°C, add sebacic acid according to the ratio, and then add the catalyst according to the ratio. When the temperature of the material rises to 225°C, start negative reaction. Pressure reaction, when the acid value <0.1mgKOH / g, carry out flash dealcoholization; the weight ratio of sebacic acid and decyl alcohol is: sebacic acid: 1 part, decyl alcohol: 5 parts; the addition amount of catalyst is decyl alcohol 1% of the total weight of diacid and decanol;
[0047] (2) Refining: After the flash evaporation, add sodium carbonate according to the ratio for neutralization. The neutralization time is 30 minutes. When the tem...
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