Preparation method of macromolecule plasticizer based on recycled cooking oil

A technology of macromolecular plasticizer and waste oil, which is applied in the field of preparation and modification of functional polymer materials, can solve toxic and harmful problems, achieve long-lasting and stable plasticizing performance, significant economic benefits, and avoid the effect of flowing to the dining table again

Inactive Publication Date: 2013-07-10
宁波市江北成达色母粒有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, more than 80% of the currently used plasticizers are toxic and harmf

Method used

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  • Preparation method of macromolecule plasticizer based on recycled cooking oil
  • Preparation method of macromolecule plasticizer based on recycled cooking oil

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] A preparation method of a macromolecular plasticizer based on waste oil, which comprises the following steps:

[0031] Step 1. Wash, decolorize, filter, adsorb, and sterilize the waste oil to obtain purified waste oil whose main chemical component is unsaturated fatty acid glycerides;

[0032] Step 2: Combine the purified waste oil obtained in Step 1 with high polymerization activity monomers, glass transition temperature adjusting monomers and PVC monomers with similar solubility parameters according to the mass ratio of 5~100: 5~20: 0~100: 0~50 The mixed solution is prepared by mixing, and the initiator whose mass ratio to the mixed solution is 0%~15% is added to the mixed solution. The reaction temperature is within the range of 0℃~150℃, and the reaction is carried out by conventional free radical or living radical polymerization for 1 hour. To 10 hours, get the macromolecular plasticizer based on waste oil.

[0033] In the embodiment, the initiator is azobisisobutyronitri...

Example Embodiment

[0045] Example 1

[0046] Add 100 g ethyl acetate, 100 g purified waste oil, 10 g styrene, 50 g butyl acrylate, 25 g methyl methacrylate, and 10 g diphenyl peroxide into a three-necked flask with heating and stirring device. After mixing uniformly, gradually increase the temperature of the system to 70°C. After the heat preservation reaction for 7 hours, raise the temperature of the system to 78°C, continue the heat preservation reaction for 2 hours and then cool the system temperature to 40°C to obtain the waste oil based The solution polymerization type macromolecular plasticizer.

Example Embodiment

[0047] Example 2

[0048] Into a three-necked flask with heating and stirring device, sequentially add 80 g absolute ethanol, 20 g purified water, 100 g purified waste oil, 25 g styrene, 100 g n-octyl acrylate, 50 g methyl acrylate and 20 g Ammonium persulfate, after mixing uniformly, gradually increase the system temperature to 75°C, after 8 hours of heat preservation and reaction, raise the temperature of the system to 80°C, continue the heat preservation reaction for 2 hours, and then cool the system temperature to 40°C. Oil precipitation polymerization type macromolecular plasticizer.

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Abstract

The invention discloses a preparation method of macromolecule plasticizer based on recycled cooking oil, which is characterized in that the purified recycled cooking oil is copolymerized with monomers with polyvinyl chloride (PVC) and similar solubility parameters in a radical grafting way, the glass-transition temperature of a material is adjusted through the molecular design, so that the non-transference macromolecule plasticizer which is applicable to the PVC is obtained. Compared with the traditional plasticizer such as dioctyl phthalate (DOP), the macromolecule plasticizer has the advantages of no volatilization, no transference, low cost, durability and stability of plasticizing property and the like. The macromolecule plasticizer based on the recycled cooking oil can be widely used in the field of semi-hard or soft PVC composite materials such as an oil-resisting and heat-resisting PVC cable, a gasket, artificial leather and the like.

Description

technical field [0001] The invention relates to the technical field of preparation and modification of functional polymer materials, in particular to a preparation method of a waste oil-based macromolecule plasticizer. Background technique [0002] my country is a big country in the production and consumption of edible oil. The annual consumption of edible oil has reached 21 million tons, and during its use, nearly 8 million tons of waste oil (mainly including kitchen hog oil and commercial frying oil) are produced every year. , the so-called "waste oil". At present, the existence of such a huge amount of waste oil has caused a huge impact on the living environment and health of people. On the one hand, the random discharge of waste oil is gradually eroding the urban sewer system necessary for our daily life, which brings inconvenience to people's life and increases the burden on urban sewage treatment enterprises; Driven by rich economic interests, waste oil is simply filt...

Claims

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Application Information

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IPC IPC(8): C08F222/14C08F212/08C08F220/18C08F220/14C08F214/06C08L27/06C08L35/02
Inventor 张建银杨晓鹏杨积位
Owner 宁波市江北成达色母粒有限公司
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