CN109553762A - Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition - Google Patents
Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition Download PDFInfo
- Publication number
- CN109553762A CN109553762A CN201811247398.3A CN201811247398A CN109553762A CN 109553762 A CN109553762 A CN 109553762A CN 201811247398 A CN201811247398 A CN 201811247398A CN 109553762 A CN109553762 A CN 109553762A
- Authority
- CN
- China
- Prior art keywords
- waste material
- polyester
- products
- polyester polyol
- polyester waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
- C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
- C08G18/425—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids the polyols containing one or two ether groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/87—Non-metals or inter-compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention relates to a kind of polyester waste material production polyester polyol series of products and its formula design method and preparation method using uncertain composition.Formula design is carried out using the hydroxyl value of polyester waste material, acid value.Tradition is needed the polyester waste material of harmless treatment to carry out resource utilization by the present invention, both the pollution to environment had been reduced, eliminate the relevant treatment expense generated by harmless treatment again simultaneously, and the obtained polyester polyol of this recycling treatment again can industrial application again, further improve the economic benefit of enterprise.
Description
Technical field
The present invention relates to a kind of polyester waste material production polyester polyol series of products and its formula using uncertain composition
Design method and preparation method belong to organic high molecular compound and its preparation.
Background technique
Polyester polyol is usually to react with the binary acid of certified products or acid anhydrides with dihydric alcohol and polyol condensating.Also have
Prepared by the alcoholysis product of addition part polyethylene terephthalate (PET), composition is definite, and formula design is held
Easily.
Polyester waste material used in the present invention refers to filter and the alcohol-containing waste material of component cleaning generation during PET production
As danger wastes after qualified processing unit recovery section alcohols left residue.This part residue is usually spent greatly
Price transfers to the unit for burning qualification to carry out burning disposal.
The characteristics of this kind of waste material is complicated component, and composition is inaccurate, and gap is obvious between batch, is difficult resource utilization.
Polyester polyol has different quality index according to different purposes as a kind of series of products.Main indicator
There are hydroxyl value, acid value (production Con trolling index), viscosity etc..To meet these indexs, the formula for needing to carry out complexity is designed, conventional
Design is carried out with the concept of molar ratio；And this application involves polyester waste material it is uncertain due to its component, using routine
Mentality of designing can not realize, it is therefore necessary to improved.
Summary of the invention
The present invention is in view of the foregoing drawbacks, and it is an object of the present invention to provide one kind is using polyester waste material as raw material, to its resource utilization
It is a kind of to utilize the polyester waste material production polyester polyol series of products and its formula design method of uncertain composition and preparation side
Method.
Thus the technical solution adopted by the present invention is that: produce polyester polyol using polyester waste material, it is useless using different polyester
The hydroxyl value of material, acid value carry out formula design.
The polyester waste material alcohol-containing waste material that filter and component cleaning generate during PET production, contains by described in
Left residue forms the polyester waste material after the alcohols of alcohol waste recovery part.
Component includes polyester waste material, dicarboxylic acids, dihydric alcohol and polyalcohol, catalyst, stabilizer.
The dicarboxylic acids is phthalic anhydride, M-phthalic acid.
The dihydric alcohol and polyalcohol are ethylene glycol, diethylene glycol (DEG), triethylene glycol, propylene glycol, glycerol, pentaerythrite.
The catalyst is triethanolamine.
The stabilizer is Dibutyltin oxide.
Using the method for polyester waste material production polyester polyol, formula is carried out using the hydroxyl value and acid value of polyester waste material and is set
Meter adjusts the viscosity of product using different alcohols.
Specifically, polyester waste material, phthalic anhydride, glycerol, triethanolamine, diethylene glycol (DEG), Dibutyltin oxide are disposably put into
In reaction kettle, heating carries out esterification, and the reaction later period vacuumizes quickening dehydration, sampled analysis, according to different situations when acid
When value is less than certain value, stops reaction, obtain polyester polyol finished product through subsequent processing.
The invention has the advantages that tradition is needed the polyester waste material of harmless treatment to carry out resource utilization by the present invention, both
The pollution to environment is reduced, while eliminating the relevant treatment expense generated by harmless treatment again, and at this recycling
Manage obtained polyester polyol again can industrial application again, further improve the economic benefit of enterprise.
Polyester polyol prepared by the present invention is suitable for polyurethane rigid foam board, polyurethane elastomer and polyurethane gluing
The fields such as agent make the economic performance of polyester waste material further obtain effective utilization.
Specific embodiment
Embodiment one:
By 500 parts of polyester waste material (hydroxyl value 80mgKOH/g, acid value 20mgKOH/g), 200 parts of phthalic anhydride, 60 parts of glycerol, triethanolamine
It 15 parts, 363.6 parts of diethylene glycol (DEG), 0.5 part of Dibutyltin oxide, disposably puts into reaction kettle, heats, using conventional polyester
Polyol production process carries out conventional esterification, and the reaction later period vacuumizes quickening dehydration.Sampled analysis, when acid value≤
When 2.5mgKOH/g, stop reaction, material imported into cooling reactor, through cooling, filter, pack, weighing, as polyester polyol at
Product.By this formula, the hydroxyl value of finished product is in 352 ± 15mgKOH/g, and viscosity is in 5000 ± 1000mPa S.
Embodiment two:
By 500 parts of polyester waste material (hydroxyl value 95mgKOH/g, acid value 15mgKOH/g), 200 parts of phthalic anhydride, 60 parts of glycerol, triethanolamine
It 15 parts, 349.4 parts of diethylene glycol (DEG), 0.5 part of Dibutyltin oxide, disposably puts into reaction kettle, heats, using conventional polyester
Polyol production process carries out conventional esterification, and the reaction later period vacuumizes quickening dehydration.Sampled analysis, when acid value≤
When 2.5mgKOH/g, stop reaction, material imported into cooling reactor, through cooling, filter, pack, weighing, as polyester polyol at
Product.By this formula, the hydroxyl value of finished product is in 352 ± 15mgKOH/g, and viscosity is in 5000 ± 1000mPa S.
Embodiment three:
By 500 parts of polyester waste material (hydroxyl value 80mgKOH/g, acid value 20mgKOH/g), 200 parts of phthalic anhydride, 60 parts of glycerol, triethanolamine
It 15 parts, 310.6 parts of diethylene glycol (DEG), 0.5 part of Dibutyltin oxide, disposably puts into reaction kettle, heats, using conventional polyester
Polyol production process carries out conventional esterification, and the reaction later period vacuumizes quickening dehydration.Sampled analysis, when acid value≤
When 2.5mgKOH/g, stop reaction, material imported into cooling reactor, through cooling, filter, pack, weighing, as polyester polyol at
Product.By this formula, the hydroxyl value of finished product is in 302 ± 15mgKOH/g, and viscosity is in 7000 ± 1000mPa S.
Example IV:
By 500 parts of polyester waste material (hydroxyl value 60mgKOH/g, acid value 15mgKOH/g), 200 parts of phthalic anhydride, 60 parts of glycerol, pentaerythrite
It 40 parts, 15 parts of triethanolamine, 349 parts of diethylene glycol (DEG), 0.5 part of Dibutyltin oxide, disposably puts into reaction kettle, heats, adopt
With conventional polyester polyol production technology, conventional esterification is carried out, the reaction later period vacuumizes quickening dehydration.Sampled point
Analysis stops reaction, material is imported cooling reactor as acid value≤2.5mgKOH/g, through cooling, filters, packs, weighing, as
Polyester polyol finished product.By this formula, the hydroxyl value of finished product is in 382 ± 15mgKOH/g, and viscosity is in 5500 ± 1000mPa S.
Embodiment five:
By 500 parts of polyester waste material (hydroxyl value 105mgKOH/g, acid value 20mgKOH/g), 200 parts of phthalic anhydride, 60 parts of glycerol, triethanolamine
It 15 parts, 363.5 parts of triethylene glycol, 0.5 part of Dibutyltin oxide, disposably puts into reaction kettle, heats, using conventional polyester
Polyol production process carries out conventional esterification, and the reaction later period vacuumizes quickening dehydration.Sampled analysis, when acid value≤
When 3mgKOH/g, stop reaction, material imported into cooling reactor, through cooling, filter, pack, weighing, as polyester polyol at
Product.By this formula, the hydroxyl value of finished product is in 262 ± 15mgKOH/g, and viscosity is in 6000 ± 1000mPa S.
It should be noted that some common ground present in the various embodiments described above are as follows:
The hydroxyl value and acid value of polyester waste material are obtained through chemical analysis.Analysis method is referring to GB/T12008.3-1989 and GB/
T12008.5-1989。
The hydroxyl value of alcohols, which is computed, to be obtained, calculation formula are as follows: hydroxyl value=56.1 × 1000 × degree of functionality/molecular weight.
The acid value of carboxylic acid, which is computed, to be obtained, calculation formula are as follows: acid value=56.1 × 1000 × degree of functionality/molecular weight.
The hydroxyl value of amine is calculated referring to the hydroxyl value of alcohols.
The sum of hydroxyl value × product weight (inventory-theory water yield) of product=difference alcohols hydroxyl value × inventory-
The sum of acid value × inventory of different carboxylic acids+product weight × product acid value.
When component design, the index (requirement of user) of product is generally first determined, then determine the dosage of auxiliary material and carboxylic acid, most
The dosage of predominant alcohols is calculated afterwards.
Claims (9)
1. producing polyester polyol series of products using the polyester waste material of uncertain composition, which is characterized in that utilize polyester waste material
Hydroxyl value, acid value carry out formula design.
2. the polyester waste material according to claim 1 using uncertain composition produces polyester polyol series of products, special
Sign is that the polyester waste material alcohol-containing waste material that filter and component cleaning generate during PET production contains by described in
Left residue forms the polyester waste material after the alcohols of alcohol waste recovery part.
3. the polyester waste material according to claim 1 using uncertain composition produces polyester polyol series of products, special
Sign is that component includes polyester waste material, dicarboxylic acids, dihydric alcohol and polyalcohol, catalyst, stabilizer.
4. the polyester waste material according to claim 3 using uncertain composition produces polyester polyol series of products, special
Sign is that the dicarboxylic acids is phthalic anhydride, M-phthalic acid.
5. the polyester waste material according to claim 3 using uncertain composition produces polyester polyol series of products, special
Sign is that the dihydric alcohol and polyalcohol are ethylene glycol, diethylene glycol (DEG), triethylene glycol, propylene glycol, glycerol, pentaerythrite.
6. the polyester waste material according to claim 3 using uncertain composition produces polyester polyol series of products, special
Sign is that the catalyst is triethanolamine.
7. the polyester waste material according to claim 3 using uncertain composition produces polyester polyol series of products, special
Sign is that the stabilizer is Dibutyltin oxide.
8. the formula design method of the polyester waste material production polyester polyol series of products using uncertain composition, feature exist
In carrying out formula design using the hydroxyl value and acid value of polyester waste material, different alcohols utilized to adjust the viscosity of product.
9. the preparation method of the polyester waste material production polyester polyol series of products using uncertain composition, which is characterized in that will
Polyester waste material, phthalic anhydride, glycerol, triethanolamine, diethylene glycol (DEG), Dibutyltin oxide are disposably put into reaction kettle, are heated, and are carried out
Esterification, reaction later period vacuumize quickening dehydration, and sampled analysis stops according to different situations when acid value is less than certain value
It only reacts, obtains polyester polyol finished product through subsequent processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247398.3A CN109553762A (en) | 2018-10-24 | 2018-10-24 | Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247398.3A CN109553762A (en) | 2018-10-24 | 2018-10-24 | Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109553762A true CN109553762A (en) | 2019-04-02 |
Family
ID=65865246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811247398.3A Pending CN109553762A (en) | 2018-10-24 | 2018-10-24 | Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109553762A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016128A (en) * | 2019-05-06 | 2019-07-16 | 湖南东为化工新材料有限公司 | A kind of reuse method of 6-caprolactone by-product |
| CN112390939A (en) * | 2020-09-28 | 2021-02-23 | 中国石油化工股份有限公司 | Method for preparing polyester polyol for hard polyurethane foam from polyester waste residues |
| CN116515092A (en) * | 2023-05-11 | 2023-08-01 | 旭川化学（苏州）有限公司 | Polyester polyol and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148058A (en) * | 1996-08-12 | 1997-04-23 | 王文生 | Utilization of waste dacron to produce polyester-polylol which is used as raw material for preparing polyurethane, and method for prepn. therefor |
| JP2004307583A (en) * | 2003-04-03 | 2004-11-04 | Japan Composite Co Ltd | Method for producing polyester polyol and cured polyurethane |
| CN102775586A (en) * | 2012-08-17 | 2012-11-14 | 济南大学 | Novel polyester-polyether polyatomic alcohol and preparation method thereof |
-
2018
- 2018-10-24 CN CN201811247398.3A patent/CN109553762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148058A (en) * | 1996-08-12 | 1997-04-23 | 王文生 | Utilization of waste dacron to produce polyester-polylol which is used as raw material for preparing polyurethane, and method for prepn. therefor |
| JP2004307583A (en) * | 2003-04-03 | 2004-11-04 | Japan Composite Co Ltd | Method for producing polyester polyol and cured polyurethane |
| CN102775586A (en) * | 2012-08-17 | 2012-11-14 | 济南大学 | Novel polyester-polyether polyatomic alcohol and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016128A (en) * | 2019-05-06 | 2019-07-16 | 湖南东为化工新材料有限公司 | A kind of reuse method of 6-caprolactone by-product |
| CN112390939A (en) * | 2020-09-28 | 2021-02-23 | 中国石油化工股份有限公司 | Method for preparing polyester polyol for hard polyurethane foam from polyester waste residues |
| CN112390939B (en) * | 2020-09-28 | 2022-12-02 | 中国石油化工股份有限公司 | Method for preparing polyester polyol for hard polyurethane foam from polyester waste residues |
| CN116515092A (en) * | 2023-05-11 | 2023-08-01 | 旭川化学（苏州）有限公司 | Polyester polyol and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109553762A (en) | Polyester polyol series of products and its formula design method and preparation method are produced using the polyester waste material of uncertain composition | |
| JP5583576B2 (en) | Polymer manufacturing process | |
| TW200938563A (en) | Polyester with improved heat resistance produced from biomass ethylene glycol | |
| CN102206156B (en) | Method for comprehensive recycling of crude terephthalic acid (CTA) residue | |
| CN109952344B (en) | Method for depolymerizing poly (ethylene terephthalate) by glycol alcoholysis reaction, and method and product for recycling same | |
| Bhanderi et al. | Recycling of polyethylene terephthalate (PET or PETE) plastics–an alternative to obtain value added products: a review | |
| CN106496533B (en) | By PTA residue and the method for ethylene oxide/ethylene glycol plant kettle raffinate preparation polyester polyol | |
| CN105237394A (en) | Preparation method of diisobutyl phthalate | |
| JP2013057006A (en) | Method of depolymerizing polyester using metal oxide as catalyst, and method of recovering polyester material using the method | |
| CZ2009620A3 (en) | Raw material for producing polyurethanes and process for preparing thereof from waste polyurethane | |
| CN102775586B (en) | Novel polyester-polyether polyatomic alcohol and preparation method thereof | |
| CN108623793A (en) | A kind of polyester polyol and preparation method thereof of low hydroxyl value | |
| KR101296226B1 (en) | Recycled polyester using waste polyester and method thereof | |
| CN103059283B (en) | Method for preparing polyester polyol by taking waste polyester bottles as main raw materials | |
| CN107857896A (en) | A kind of ester composition from PTA substandard goods and preparation method thereof | |
| CN101367918A (en) | Catalyst for synthesis of alkyd resin and its use method | |
| CN109134831A (en) | A kind of copolyesters preparation method of high yield | |
| CN108623796A (en) | A method of with the Production of Terephthalic Acid terephthalic unsaturated polyester resin that gives up | |
| TW201817809A (en) | Chemical method for converting polyester of high molecular weight into thermoplastic elastomer and thermoplastic elastomer by adding a reactive oligomer and a catalyst to recycled broken pieces, ground powder and reproduced particles of polyester of high molecular weight | |
| CN102775581B (en) | Preparation method and application of end isocyanate polyurethane | |
| CN106496534A (en) | The method that unsaturated polyester resin is prepared using waste PET | |
| CN103668537B (en) | A kind of military version biomass polyester fiber and preparation method thereof | |
| CN110872541A (en) | Method for converting illegal cooking oil into biodiesel | |
| CN103554380A (en) | Process for preparing unsaturated polyester resin by mixed alcohol alcoholysis of RPET (recycled polyethylene terephtalate) plastic | |
| JP4291126B2 (en) | Plastic disassembly method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190402 |