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CN102557897B - Plant-phenol-based polyether polyol - Google Patents

Plant-phenol-based polyether polyol Download PDF

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Publication number
CN102557897B
CN102557897B CN201110327942.7A CN201110327942A CN102557897B CN 102557897 B CN102557897 B CN 102557897B CN 201110327942 A CN201110327942 A CN 201110327942A CN 102557897 B CN102557897 B CN 102557897B
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plant
phenol
polyether glycol
polyether polyol
plant phenols
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CN102557897A (en
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邵新明
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Changshu Naisu Biological Material Technology Co., Ltd.
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CHANGSHU NAISU BIOLOGICAL MATERIAL TECHNOLOGY Co Ltd
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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses plant-phenol-based polyether polyol. One or more monophenol or bisphenol compounds which have a long carbon chain or a mixture of the monophenol or bisphenol compounds in cashew nut shell oil or other similar plant phenol can be used as the raw materials of plant phenol. The plant-phenol-based polyether polyol can be obtained under an appropriate reaction condition and the action of a catalyst. The viscosity of the polyether polyol is less than or equal to 25,000CPS; a hydroxyl value is 200 to 600; and an acid value is less than 5. The plant-phenol-based polyether polyol can be completely biodegraded possibly.

Description

A kind of polyether glycol based on plant phenols
Technical field
The present invention relates to a kind of polyether glycol, particularly a kind of polyether glycol based on plant phenols.The raw material of this plant phenols can comprise cashew nut shell oil and other similar plant phenols based on natural phant.
Background technology
Traditional polyether glycol all derives from petroleum chemicals or is obtained by reacting, and along with the growth of the demand to this Nonrenewable resources of oil and the exhaustion of resource itself, oil price is constantly bettered a record.Simultaneously along with people progressively strengthen the consciousness of renewable resources, some vegetables oil deriving from plant are more and more subject to people's attention as the substitute of petroleum derivative.
Plant phenols is as a kind of natural product, and its raw material sources can comprise cashew nut shell oil based on natural phant, lacquer tree phenol, and other similar plants.Its main component is a kind of single phenol with Long carbon chain or bisphenol compound, the chemical structure special because of it and the special physics-chem characteristic brought thus, make it while replacing the phenol based on oil, additionally provide the advantage of other improvement a lot of and modification.
Summary of the invention
Technical problem to be solved by this invention provides a kind of polyether glycol based on plant phenols for the problem existing for existing polyether glycol.The raw material of this plant phenols can be with cashew nut shell oil, lacquer tree phenol, and one or more single phenol with Long carbon chain of providing of other similar plant phenols or bisphenols chemical combination or mixture.Can should obtain under appropriate reaction condition and under the effect of catalyzer based on the polyether glycol of plant phenols.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
Based on a polyether glycol for plant phenols, the polyether glycol for following general formula (1):
Wherein, R 1a can be selected from alone, R 2can be selected from H or A alone, A is n=1-15, R 3be selected from H.
In a preferred embodiment of the invention, described R 2independently be selected from:
Described polyether glycol brookfield viscosity≤25,000CPS, hydroxyl value is 200-600, acid number: lower than 5.
In a preferred embodiment of the invention, described polyether glycol brookfield viscosity is preferably 10,000-22,000CPS; Described hydroxyl value is 350-400.
Plant phenols of the present invention is be selected from cardanol, lacquer tree phenol or other similar plant phenols.
Described cardanol is obtained through rectifying or molecular distillation by cashew nut shell oil.
Polyether glycol based on plant phenols of the present invention has complete biodegradable possibility.Can be used for preparing soft bubble, hard-foam polyurethane elastomerics.The present invention has thermotolerance, rigidity, physical strength, oxygen index and the water tolerance better than conventional polyether type polyvalent alcohol; Having again the resistance to acids and bases than normal polyester type polyvalent alcohol and toughness, is an excellent comprehensive performance simultaneously with polyether-type and polyester polyol, makes up again the comprehensive polyvalent alcohol of the shortcoming of polyether-type and polyester polyol.
Embodiment
Although listed the chemical structure of the polyether glycol based on plant phenols of the present invention above, these have been enumerated and have been only used to citing and explanation.Except claim limits, those skilled in the art do not surmount essence of the present invention and invention exemplify the scope of structure, can much change of the present invention and make a variation.
Polyether glycol based on plant phenols of the present invention can obtain according to different plant phenols raw materials.Three examples are only used for illustrating the feasible embodiment of many kinds below.
Embodiment 1:
In glass reactor, stir the oxalic acid and the 50 grams of cardanols (0.17 mole) that add 7.82 grams (0.17 moles), be cooled to 0 degree Celsius; With dropping funnel, the hydrogen peroxide of 38.5 grams of (0.34 moles) 30% is added drop-wise in reactor under cooling while stirring, controls temperature of reactor and be no more than 0 degree Celsius, time for adding, at 5-10 hour, adopts cooling bath temperature control.
After dropwise reaction terminates, temperature of reaction is raised to 35 degree Celsius, epoxy group(ing) is allowed to be hydrolyzed into formyl hydroxy ester, half ester Celsius 80 degree of hydrolysis in four hours under sodium-acetate of such generation, after product cleans to neutrality with the neutralization of excessive water, cleaning adopts separating funnel to carry out, then uses anhydrous sodium sulfate drying, the intermediate product obtained.
Obtained intermediate product is joined in ethoxylation still, then adds 0.1 gram, potassium hydroxide and 7.8 grams, oxyethane and react, react after 45 minutes, obtain the polyether glycol 60 grams based on plant phenols of following structural formula:
The brookfield viscosity of the polyether glycol based on plant phenols of the as above structural formula obtained is 13,000, and hydroxyl value is 400, and acid number is lower than 5.
Embodiment 2:
The oxalic acid and the 150 grams of cardanols (0.5 mole) that add 20 grams (0.57 moles) are stirred in glass reactor, be cooled to 0 degree Celsius, with dropping funnel, the hydrogen peroxide of 116 grams of (1.02 moles) 30% is added drop-wise in reactor under cooling while stirring, control temperature of reactor and be no more than 0 degree Celsius, time for adding, at 5-10 hour, adopts cooling bath temperature control.
After dropwise reaction terminates, temperature of reaction is raised to 35 degree Celsius, epoxy group(ing) is allowed to be hydrolyzed into formyl hydroxy ester, half ester Celsius 80 degree of hydrolysis in four hours under sodium-acetate of such generation, after product cleans to neutrality with the neutralization of excessive water, cleaning adopts separating funnel to carry out, then uses anhydrous sodium sulfate drying, the intermediate product obtained.
Obtained intermediate product is joined after in ethoxylation still, then adds 0.3 gram, potassium hydroxide and 125 grams, oxyethane and react, react after 45 minutes, obtain the polyether glycol 199 grams based on plant phenols of following structural formula:
The brookfield viscosity of the polyether glycol based on plant phenols of the as above structural formula obtained is 16,000CPS, and hydroxyl value is 380, and acid number is lower than 5
Embodiment 3:
The oxalic acid and the 150 grams of cardanols (0.5 mole) that add 19 grams (0.6 moles) are stirred in glass reactor, be cooled to 0 degree Celsius, with dropping funnel, the hydrogen peroxide of 115 grams of (1.02 moles) 30% is added drop-wise in reactor under cooling while stirring, control temperature of reactor between 24-32 degree Celsius, time for adding, at 5-10 hour, adopts cooling bath temperature control.
After dropwise reaction terminates, temperature of reaction is raised to 35 degree Celsius, epoxy group(ing) is allowed to be hydrolyzed into formyl hydroxy ester, half ester Celsius 80 degree of hydrolysis in four hours under sodium-acetate of such generation, after product cleans to neutrality with the neutralization of excessive water, cleaning adopts separating funnel to carry out, then with the intermediate product that anhydrous sodium sulphate obtains.
Obtained intermediate product is joined after in ethoxylation still, then adds 0.3 gram, potassium hydroxide and propylene oxide 56 grams and react, react after 55 minutes, obtain the polyether glycol 112 grams based on plant phenols of following structural formula:
The brookfield viscosity of the polyether glycol based on plant phenols of the as above structural formula obtained is 10,000CPS, and hydroxyl value is 390, and acid number is lower than 5.

Claims (3)

1. based on a polyether glycol for plant phenols, the polyether glycol for following general formula (1):
Wherein, R 1be selected from A alone, A is n=1-15, R 3be selected from H;
Described R 2independently be selected from:
2., as claimed in claim 1 based on the polyether glycol of plant phenols, it is characterized in that, described polyether glycol brookfield viscosity≤25,000CPS, hydroxyl value is 200-600, acid number: lower than 5.
3., as claimed in claim 1 based on the polyether glycol of plant phenols, it is characterized in that, described polyether glycol brookfield viscosity is preferably 10,000-22,000 CPS; Described hydroxyl value is 350-400.
CN201110327942.7A 2011-10-25 2011-10-25 Plant-phenol-based polyether polyol Active CN102557897B (en)

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CN102557897B true CN102557897B (en) 2015-02-25

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3074443B1 (en) * 2013-11-27 2018-11-21 Dow Global Technologies LLC Cardanol modified epoxy polyol and corresponding polyurethane
WO2015077944A1 (en) * 2013-11-27 2015-06-04 Dow Global Technologies Llc Cardanol modified epoxy polyol
CN110578261B (en) * 2019-09-11 2021-11-23 苏州联胜化学有限公司 Polyester type terylene anti-sticking soaping agent and preparation method thereof
CN114524927A (en) * 2022-03-08 2022-05-24 上海回天新材料有限公司 Preparation method of cardanol bio-based polyol and application of cardanol bio-based polyol in flexible packaging adhesive

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889297A (en) * 1953-06-29 1959-06-02 Atlas Powder Co Polyvinyl acetate adhesive compositions containing a polyethylene glycol monoether of a monohydric phenol
CN101687967A (en) * 2007-05-29 2010-03-31 汉森集团公司 Be applicable to the composition of golf ball

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889297A (en) * 1953-06-29 1959-06-02 Atlas Powder Co Polyvinyl acetate adhesive compositions containing a polyethylene glycol monoether of a monohydric phenol
CN101687967A (en) * 2007-05-29 2010-03-31 汉森集团公司 Be applicable to the composition of golf ball

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Aromatic Glycols;ANTHONYJ. SHUKIS等;《Journal of the American Chemical Society》;19440930;第66卷;第1461-1462页 *

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