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Castor oil-based flame retardation polyol composition, and preparation method and applications thereof

A flame-retardant polyol, castor oil-based technology, applied in the field of castor oil-based flame-retardant polyol composition, can solve the problems of reduced flame-retardant durability, large addition amount, and poor flame-retardant performance, and achieve high resistance Combustibility, low cost, and abundant output

Active Publication Date: 2013-09-25
山东天洋新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional flame retardants are divided into additive flame retardants and reactive flame retardants. Additive flame retardants are added in a relatively large amount, and the flame retardant performance is not very good, and the disadvantage of additive flame retardants is that they last for a long time. Easy to migrate out, reducing the durability of flame retardant

Method used

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  • Castor oil-based flame retardation polyol composition, and preparation method and applications thereof
  • Castor oil-based flame retardation polyol composition, and preparation method and applications thereof
  • Castor oil-based flame retardation polyol composition, and preparation method and applications thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Step 1: Mix 40-50 parts by mass of castor oil, 10-15 parts by mass of glycerin, and 0.3-0.4 parts by mass of catalyst evenly, heat up to a temperature of 190-220° C., and react for 2-4 hours. The quality of castor oil can choose 40 parts, 42 parts, 44 parts, 46 parts, 48 ​​parts, 50 parts, the quality of glycerin can choose 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, and the catalyst can be selected 0.3 parts, 0.32 parts, 0.34 parts, 0.36 parts, 0.38 parts, 0.4 parts, the temperature can be selected from 190°C, 200°C, 210°C, 220°C, and the reaction time can be selected from 2h, 2.5h, 3h, 3.5h, 4h.

[0043]Step 2: Mix 20-30 parts by mass of raw materials obtained in step 1, 1.5-2 parts by mass of formic acid, 10-15 parts by mass of hydrogen peroxide, and 0.05-1 part by mass of phosphoric acid, and react at 50-60°C for 3 ~6h. The mass parts of alcoholyzed castor oil obtained in step 1 can be selected from 20 parts, 20.2 parts, 20.4 parts, 20.6 parts, 20.8...

Embodiment 2

[0046] Weigh 50 parts of castor oil, 10 parts of glycerin, 0.3 parts of a mixture of sodium methoxide and triethanolamine, stir evenly, and react at 200° C. for 3 hours to obtain a transparent light yellow castor oil polyol. Then weigh 20 parts of castor oil polyol, add 1.5 parts of formic acid, 14 parts of hydrogen peroxide, and 0.05 parts of phosphoric acid, and react at 50° C. for 3 hours. Wash with water and ethyl acetate until pH = 5, then wash with sodium hydroxide solution until neutral, and remove water under reduced pressure at 50°C to obtain white viscous liquid epoxy alcoholylated castor oil. Weigh 20 parts of epoxy alcoholylated castor oil, 8 parts of diethyl phosphate, 0.1 part of triphenylphosphine, and 10 parts of toluene, react at 70°C for 4 hours, then wash with water and ethyl acetate until pH = 5, and then use Wash with sodium hydroxide solution until neutral, and remove water under reduced pressure at 50°C. A castor oil-based flame-retardant polyol composi...

Embodiment 3

[0048] Weigh 50 parts of castor oil, 11 parts of glycerin, 0.3 parts of a mixture of sodium methoxide and triethanolamine, stir evenly, and react at 200° C. for 3 hours to obtain a transparent light yellow castor oil polyol. Then weigh 20 parts of castor oil polyol, add 1.5 parts of formic acid, 15 parts of hydrogen peroxide, and 0.05 parts of phosphoric acid, and react at 50° C. for 3 hours. Wash with water and ethyl acetate until pH = 5, then wash with sodium hydroxide solution until neutral, and remove water under reduced pressure at 50°C to obtain white viscous liquid epoxy alcoholylated castor oil. Weigh 20 parts of epoxy alcoholylated castor oil, 8 parts of diethyl phosphate, 0.1 part of triphenylphosphine, and 10 parts of toluene, react at 70°C for 4 hours, then wash with water and ethyl acetate until pH = 5, and then use Wash with sodium hydroxide solution until neutral, and remove water under reduced pressure at 50°C. A castor oil-based flame-retardant polyol composi...

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Abstract

The invention provides a castor oil-based flame retardation polyol composition, and a preparation method and applications thereof. A composition composed of two followed polyols by reacting diethyl phosphate with oxidized castor oil, wherein a mol ration of the two compositions is 2.5:1, and a structural formula is characterized in that: a structure modifying method is used in the castor oil-based flame retardation polyols, diethyl phosphate containing the flame retardation element P into a castor oil structure for synthesizing a flame retardation type hard polyurethane foam, which has higher flame resistance, wherein an oxygen index can reach 25-27%. The castor oil-based flame retardation polyol composition has wide application prospects on the fields of construction and insulation, and some special occasions.

Description

technical field [0001] The invention belongs to the technical field of castor oil-based flame-retardant polyol composition, and mainly relates to a synthesis method of castor oil-based flame-retardant polyol composition and its application in flame-retardant castor oil-based rigid polyurethane foam. Background technique [0002] Castor oil is a natural oil containing hydroxyl groups, which can be used in polyurethane foam insulation materials. my country has abundant castor oil resources. Castor oil is well-prepared for its renewability, non-toxicity, degradability and environmental friendliness. attention. In the situation of increasingly scarce petroleum resources, it is undoubtedly a good method to use castor oil as raw material to produce polyols. Castor oil polyols produced by Bayer Corporation of the United States have been sold in the market. [0003] Polyurethane foam is the insulation material with the best performance in the world, and it is also a good sound insu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/32C07F9/40C08J9/04C08G101/00
Inventor 周永红张立强张猛胡丽红杨晓慧
Owner 山东天洋新材料有限公司
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