CN103755936B - A kind of preparation method of biomass phthalic anhydride polyol - Google Patents
A kind of preparation method of biomass phthalic anhydride polyol Download PDFInfo
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- CN103755936B CN103755936B CN201410032951.7A CN201410032951A CN103755936B CN 103755936 B CN103755936 B CN 103755936B CN 201410032951 A CN201410032951 A CN 201410032951A CN 103755936 B CN103755936 B CN 103755936B
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Abstract
The present invention relates to a kind of preparation method of biomass phthalic anhydride polyol, comprise the following steps: 1) raw material of following parts by weight is dropped into reactor: primverose slag 20-130, B-dextran glycosides enzyme 0-0.9, cellulase 0-0.6, water 5-90; Afterwards reactor is warming up to 40-65 DEG C, stirring reaction 1-6 hour, obtained liquid corn sugar slag zymolyte; 2) will through step 1) obtained primverose slag zymolyte and biomass glycol ether, phthalic anhydride, butyl (tetra) titanate, propylene glycol, corn alcohol slag, antimony acetate, biomass glycerol, castor oil drop in reactor by following parts by weight, reactor is warming up to 140-215 DEG C, reaction 4-6 hour, i.e. obtained biomass phthalic anhydride polyol.Preparation method's step of biomass phthalic anhydride polyol of the present invention is simple, can Appropriate application corn deep processing by product, and technique is simple, prepared biomass phthalic anhydride polyol stable physical property, can be used as novel foam material, not yielding, refuse reclamation can be realized, environmental protection.
Description
Technical field
The present invention relates to a kind of preparation method of biomass phthalic anhydride polyol.
Background technology
At present preparing glucose, alcohols material is prepared from mainly through corn, the by product produced in preparation process cannot Appropriate application, such as produced primverose slag and corn alcohol slag, no matter liquid or solid-state, all belonged to industrial waste in the past, cannot utilize, and how these waste materials of safe and harmless process, be also an industry difficult problem; Therefore a kind of corn deep processing by product that utilizes is badly in need of to prepare the preparation method of biomass phthalic anhydride polyol.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of preparation method of biomass phthalic anhydride polyol, preparation technology is simple, and prepared biomass phthalic anhydride polyol has good physicals.
The preparation method of biomass phthalic anhydride polyol of the present invention, comprises the following steps:
1) raw material of following parts by weight is dropped into reactor: primverose slag 20-130, B-dextran glycosides enzyme 0-0.9, cellulase 0-0.6, water 5-90; Afterwards reactor is warming up to 40-65 DEG C, stirring reaction 1-6 hour, obtained liquid corn sugar slag zymolyte;
2) will through step 1) obtained primverose slag zymolyte and biomass glycol ether, phthalic anhydride, butyl (tetra) titanate, propylene glycol, corn alcohol slag, antimony acetate, biomass glycerol, castor oil drop in reactor by following parts by weight: primverose slag zymolyte 1-30, biomass glycol ether 110-150, phthalic anhydride 15-85, butyl (tetra) titanate 0-0.6, propylene glycol 5-30, corn alcohol slag 40-120, antimony acetate 0-0.3, biomass glycerol 17-55, castor oil 9-23; Reactor is warming up to 140-215 DEG C, reaction 4-6 hour, i.e. obtained biomass phthalic anhydride polyol.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 1) in: described primverose slag is the solid byproducts produced by corn in dextrose production process.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described propylene glycol is 1,3-PD.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described reactor starts intensification per hour 15 DEG C from 140 DEG C, stops heating up when being warmed up to 215 DEG C.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described corn alcohol slag is by the liquid by-product of corn processed propylene glycol, ethylene glycol, butanols.
Compared with prior art beneficial effect of the present invention is: preparation method's step of biomass phthalic anhydride polyol of the present invention is simple, can Appropriate application corn deep processing by product, technique is simple, prepared biomass phthalic anhydride polyol stable physical property, novel foam material can be used as, not yielding, can refuse reclamation be realized, environmental protection.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
A preparation method for biomass phthalic anhydride polyol, comprises the following steps:
1) raw material of following parts by weight is dropped into reactor: primverose slag 20-130, B-dextran glycosides enzyme 0-0.9, cellulase 0-0.6, water 5-90; Afterwards reactor is warming up to 40-65 DEG C, stirring reaction 1-6 hour, obtained liquid corn sugar slag zymolyte;
2) will through step 1) obtained primverose slag zymolyte and biomass glycol ether, phthalic anhydride, butyl (tetra) titanate, propylene glycol, corn alcohol slag, antimony acetate, biomass glycerol, castor oil drop in reactor by following parts by weight: primverose slag zymolyte 1-30, biomass glycol ether 110-150, phthalic anhydride 15-85, butyl (tetra) titanate 0-0.6, propylene glycol 5-30, corn alcohol slag 40-120, antimony acetate 0-0.3, biomass glycerol 17-55, castor oil 9-23; Reactor is warming up to 140-215 DEG C, reaction 4-6 hour, i.e. obtained biomass phthalic anhydride polyol.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 1) in: described primverose slag is the solid byproducts produced by corn in dextrose production process, containing Matter Compositions such as sugar, alcohol, fiber, half fiber, sodium salts.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described propylene glycol is 1,3-PD.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described reactor starts intensification per hour 15 DEG C from 140 DEG C, stops heating up when being warmed up to 215 DEG C.
The preparation method of biomass phthalic anhydride polyol of the present invention, in step 2) in: described corn alcohol slag is by the liquid by-product of corn processed propylene glycol, ethylene glycol, butanols, containing compositions such as ethylene glycol, propylene glycol (glycerine), glycol ether, formic acid, acetic acid, lactic acid, sorbyl alcohol, butanols.
Preparation method's step of biomass phthalic anhydride polyol of the present invention is simple, can Appropriate application corn deep processing by product, and technique is simple, prepared biomass phthalic anhydride polyol stable physical property, can be used as novel foam material, not yielding, refuse reclamation can be realized, environmental protection.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a preparation method for biomass phthalic anhydride polyol, is characterized in that, comprises the following steps:
1) raw material of following parts by weight is dropped into reactor: primverose slag 20-130, beta-glucan glycosides enzyme 0-0.9, cellulase 0-0.6, water 5-90; Afterwards reactor is warming up to 40-65 DEG C, stirring reaction 1-6 hour, obtained liquid corn sugar slag zymolyte;
2) will through step 1) obtained primverose slag zymolyte and biomass glycol ether, phthalic anhydride, butyl (tetra) titanate, propylene glycol, corn alcohol slag, antimony acetate, biomass glycerol, castor oil drop in reactor by following parts by weight: primverose slag zymolyte 1-30, biomass glycol ether 110-150, phthalic anhydride 15-85, butyl (tetra) titanate 0-0.6, propylene glycol 5-30, corn alcohol slag 40-120, antimony acetate 0-0.3, biomass glycerol 17-55, castor oil 9-23; Reactor is warming up to 140-215 DEG C, reaction 4-6 hour, i.e. obtained biomass phthalic anhydride polyol.
2. the preparation method of biomass phthalic anhydride polyol according to claim 1, is characterized in that, in step 1) in: described primverose slag is the solid byproducts produced by corn in dextrose production process.
3. the preparation method of biomass phthalic anhydride polyol according to claim 1, is characterized in that, in step 2) in: described propylene glycol is 1,3-PD.
4. the preparation method of biomass phthalic anhydride polyol according to claim 1, is characterized in that, in step 2) in: described reactor starts intensification per hour 15 DEG C from 140 DEG C, stops heating up when being warmed up to 215 DEG C.
5. the preparation method of biomass phthalic anhydride polyol according to claim 1, is characterized in that, in step 2) in: described corn alcohol slag is by the liquid by-product of corn processed propylene glycol, ethylene glycol, butanols.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868990A (en) * | 2006-06-30 | 2006-11-29 | 东华大学 | Corn base ethylene glycol and method for preparing PDT copolgester fiber using same |
| CN102432853A (en) * | 2009-08-28 | 2012-05-02 | 华南理工大学 | Plant-fiber-base polyether ester polylol, and preparation method and application thereof |
| WO2013154874A1 (en) * | 2012-04-10 | 2013-10-17 | Oxid L.P. | High functional polyester polyols |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868990A (en) * | 2006-06-30 | 2006-11-29 | 东华大学 | Corn base ethylene glycol and method for preparing PDT copolgester fiber using same |
| CN102432853A (en) * | 2009-08-28 | 2012-05-02 | 华南理工大学 | Plant-fiber-base polyether ester polylol, and preparation method and application thereof |
| WO2013154874A1 (en) * | 2012-04-10 | 2013-10-17 | Oxid L.P. | High functional polyester polyols |
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