Polyglycerol polyether polyol and preparation method thereof

Active Publication Date: 2016-02-10
SHANDONG INOV NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used rubber internal mold release agents on the market often use emul

Method used

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  • Polyglycerol polyether polyol and preparation method thereof
  • Polyglycerol polyether polyol and preparation method thereof

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0025] Example 1

[0026] In a 5L autoclave equipped with a stirrer, a meter, a heating temperature control device, a cooling device (including an outer jacket and an inner coil) and a pressure sensor, add 362g of tetraglycerol, 5.5g of potassium hydroxide, and replace with nitrogen for 5 times After adding 135g of ethylene oxide, heating and stirring are carried out, and the reaction is carried out at 80-85°C and pressure of 0.25MPa for 2 hours. Then the temperature was raised to 115°C, the pressure was controlled at 0.25MPa, and the remaining 2013g ethylene oxide was added in 10 batches. After the addition was completed, the reaction was carried out and the post-curing was performed for 4 hours. Then, the neutralizer of phosphoric acid aqueous solution was added to neutralize at 100°C. For 1 hour, add 1.5g of magnesium silicate and 1.5g of aluminum silicate, fully stir for 20 minutes, then dehydrate and filter under vacuum, add antioxidant Chic3338: 1.5g, ChicF96: 3.0g to the o...

Example Embodiment

[0027] Example 2

[0028] In a 5L autoclave equipped with a stirrer, a meter, a heating temperature control device, a cooling device (including an outer jacket and an inner coil) and a pressure sensor, add 100g triglycerol, 150g tetraglycerol, and 110g pentaglycerol. Potassium hydroxide 6.5g, nitrogen replacement 3 times, adding 190g of propylene oxide, heating and stirring, and reacting at 80-85°C and pressure 0.2MPa for 2 hours. Then the temperature was raised to 110°C, the pressure was controlled at 0.3MPa, and the remaining 2650g of propylene oxide was added in 8 batches one after another. After the addition, the reaction was completed and the post-curing was performed for 5 hours. Then, the neutralizer of the phosphoric acid aqueous solution was added and the neutralization reaction was carried out at 95°C. 1 Add 3.3g of magnesium silicate and 2.3g of aluminum silicate, stir well for 20 minutes and then dehydrate and filter under vacuum. Add antioxidants Chic3338:5.0g and Ch...

Example Embodiment

[0029] Example 3

[0030] In a 5L autoclave equipped with a stirrer, a meter, a heating temperature control device, a cooling device (including an outer jacket and an inner coil) and a pressure sensor, add 350g of tetraglycerol, 120g of pentaglycerol, and 8g of potassium hydroxide. Replace with nitrogen 4 times, add 90g of butylene oxide, heat and stir, and react at 80-85°C and pressure 0.3MPa for 2 hours. Then the temperature was raised to 115°C and the pressure was controlled at 0.3MPa. The remaining 1558g of propylene oxide was added in 9 batches one after another. After the addition was completed, the reaction was carried out and the post-curing was carried out for 6 hours. Then, the neutralizer of phosphoric acid aqueous solution was added and the neutralization reaction was carried out at 95°C. 1 Add 3g of magnesium silicate and 4.5g of aluminum silicate, stir well for 20 minutes and then dehydrate and filter under vacuum. Add antioxidants Chic3338:3.0g and ChicF96:3.0g to ...

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Abstract

The invention belongs to the technical field of chemical synthesis, and particularly relates to polyglycerol polyether polyol and a preparation method thereof. The polyglycerol polyether polyol is prepared from, by weight, 300-500 parts of initiator, 1500-3000 parts of oxyalkylene, 5-10 parts of catalyst, 8-20 parts of neutralizer, 2-8 parts of adsorbent and 10-20 parts of compound additives. According to the polyglycerol polyether polyol and the preparation method thereof, the raw materials are easy to obtain, pollution is less, the synthetic method is simple, and operation is convenient.

Description

technical field [0001] The invention belongs to the technical field of chemical synthesis, and in particular relates to a polymerized glyceryl polyether polyol and a preparation method thereof. Background technique [0002] Currently commercially available polyether polyol products often use sucrose, sorbitol, propylene glycol, glycerin, etc. as initiators, among which the initiators with higher functionality are mainly sucrose, sorbitol, etc. Few products involve the use of polymerized glycerol as the main starting system. [0003] Polyglycerin has higher viscosity and boiling point than glycerin, less volatility and hygroscopicity, good moisture retention, and has the characteristics of improving emulsification stability, so it is often used in cosmetics, fiber industry, plastic industry and other fields, but as an initiator preparation There are basically no reports on polyethers. [0004] The polyether polyol product prepared by using polyglycerin as the main starting ...

Claims

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Application Information

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IPC IPC(8): C08G65/28C08G65/30
Inventor 刘军宁晓龙马海晶念以亭
Owner SHANDONG INOV NEW MATERIALS CO LTD
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