CN106188425B - The POP and its production method of chain-transferring agent method production need not be removed - Google Patents
The POP and its production method of chain-transferring agent method production need not be removed Download PDFInfo
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- CN106188425B CN106188425B CN201610625042.3A CN201610625042A CN106188425B CN 106188425 B CN106188425 B CN 106188425B CN 201610625042 A CN201610625042 A CN 201610625042A CN 106188425 B CN106188425 B CN 106188425B
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- polyether polyol
- chain
- transferring agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Polymerisation Methods In General (AREA)
- Polyethers (AREA)
Abstract
The present invention relates to a kind of POP and its production method that need not remove the production of chain-transferring agent method, and in terms of parts by weight, raw material composition is as follows：16 parts of small molecule polyether polyol；0.2 0.4 parts of initiator；55 75 parts of polyether polyol；20 45 parts of polymerized monomer；25 parts of stabilizer.The product stability of output of the present invention is good, and content of monomer is low, and reaction process stablizes safety and environmental protection, and production capacity greatly improves, and effectively reduces the smell and viscosity of polymer polyatomic alcohol, and chain-transferring agent need not be removed in production process.
Description
Technical field
The present invention relates to Chemical Manufacture industries, are related to a kind of POP and its producer that need not remove the production of chain-transferring agent method
Method.
Background technology
With advances in technology and the expansion of POP (polyether polyol) production capacity, the requirement for production are also more next
It is higher.Now generally using continuous production mode, the POP product qualities produced in this way are stablized for the production of polymer, and
Production capacity greatly improves.Traditional chain-transferring agent needs to remove, and traditional chain-transferring agent is usually alcohols or aminated compounds,
The smell for being difficult to remove is also easy to produce, the content of present invention uses a kind of novel chain-transferring agent, not only finite reduction POP viscosity, and
It need not remove, and the mechanical performance of foam is improved in later stage application process.
Invention content
POP and its production method that chain-transferring agent method produces need not be removed the object of the present invention is to provide a kind of, output
Product stability is good, and content of monomer is low, and reaction process stablizes safety and environmental protection, and production capacity greatly improves, and it is more effectively to reduce polymer
The smell and viscosity of first alcohol.
A kind of POP that need not remove the production of chain-transferring agent method of the present invention, in terms of parts by weight, raw material forms such as
Under：
Small molecule polyether polyol is continuous as chain-transferring agent and initiator, polyether polyol, polymerized monomer, stabilizer
It is added in reactor, temperature of reactor is maintained at 100 DEG C -130 DEG C, carries out polymerisation, reaction product is continuously into removing
Monomer system removes unreacted each substance.
Polymerized monomer is styrene, acrylonitrile monemer polymerized monomer, 20-45 parts of polymerized monomer dosage.
The degree of functionality 2-5 of small molecule polyether polyol, molecular weight are the polyether polyol of 200-500.
Small molecule polyether polyol is specially to be originated with glycerine for 203 or 303, preferably 303,303, and PO (propylene oxide) is poly-
It is bonded to the polyether polyol of 300 molecular weight；203 is polynary to 300 molecular weight polyethers with propylene glycol starting PO (propylene oxide) polymerizations
Alcohol.
The molecular weight of polyether polyol is 3000.Polyether polyol is preferably 5631D.
Initiator is azodiisobutyronitrile.
Polymerization pressure is in 0.3MPa-0.5MPa.
Appointing in United States Patent (USP) USP4462715, USP4390645, USP434284 may be used in stabilizer in the present invention
It is prepared by a kind of method.
The polyether polyol solid content of synthesis is 40wt%-45wt%.
POP is polyether polyol in the present invention.
Compared with prior art, the invention has the advantages that：
The present invention need not remove the POP and its production method of the production of chain-transferring agent method, and the product stability of output is good, monomer
Content is low, and reaction process stablizes safety and environmental protection, and production capacity greatly improves, and effectively reduces the smell of polymer polyatomic alcohol and glue
It spends, chain-transferring agent need not be removed in production process.
Specific embodiment
With reference to embodiment, the present invention will be further described.
Embodiment 1
In terms of parts by weight, raw material composition is as follows：
By 55 parts of polyether polyol 5631D and 35 parts of polymer monomer styrene, 10 parts of acrylonitrile, chain-transferring agent is added in：
The small molecule polyether polyol 303 of three-functionality-degree molecular weight 300, stabilizer, initiator (azodiisobutyronitrile), after mixing
It continuously adds in reactor, the temperature of reactor is kept for 130 DEG C, and pressure carries out polymerisation in 0.5MP, and material passes through
The overflow port on reactor top continuously enters vacuum system, and vacuum system removes unreacted monomer and initiator, so as to
To the polyether polyol A that qualified solid content is 45wt%.
Appointing in United States Patent (USP) USP4462715, USP4390645, USP434284 may be used in stabilizer in the present invention
It is prepared by a kind of method.
Small molecule polyether polyol preferably 303, is specially originated with glycerine, PO (propylene oxide) polymerizations to 300 molecular weight
Polyether polyol.
Embodiment 2
In terms of parts by weight, raw material composition is as follows：
By 75 parts of polyether polyol 5631D and 14 parts of polymer monomer styrene, 7 parts of acrylonitrile, chain-transferring agent is added in：
The small molecule polyether polyol 203 of two degree of functionality molecular weight 300, stabilizer, initiator (azodiisobutyronitrile), after mixing
It continuously adds in reactor, the temperature of reactor is kept for 130 DEG C, and pressure carries out polymerisation in 0.4MP, and material passes through
The overflow port on reactor top continuously enters vacuum system, and vacuum system removes unreacted monomer and initiator, so as to
To the polyether polyol B that qualified solid content is 35wt%.
Small molecule polyether polyol 203 is polymerize with propylene glycol starting PO (propylene oxide) to 300 molecular weight polyether polyols.
Appointing in United States Patent (USP) USP4462715, USP4390645, USP434284 may be used in stabilizer in the present invention
It is prepared by a kind of method.
Embodiment 3
In terms of parts by weight, raw material composition is as follows：
By 60 parts of polyether polyol 5631D and 24 parts of polymer monomer styrene, 6 parts of acrylonitrile, chain-transferring agent is added in：
The small molecule polyether polyol 303 of three-functionality-degree molecular weight 300, stabilizer, initiator (azodiisobutyronitrile), after mixing
It continuously adds in reactor, the temperature of reactor is kept for 130 DEG C, and pressure carries out polymerisation in 0.3MP, and material passes through
The overflow port on reactor top continuously enters vacuum system, and vacuum system removes unreacted monomer and initiator, so as to
To the polyether polyol that qualified solid content is 45wt%.
Small molecule polyether polyol 303, is specially originated with glycerine, and PO (propylene oxide) polymerize gathering to 300 molecular weight
Ethoxylated polyhydric alcohol.
The molecular weight of polyether polyol is 3000.
Appointing in United States Patent (USP) USP4462715, USP4390645, USP434284 may be used in stabilizer in the present invention
It is prepared by a kind of method.
Table 1 is the formula of soft bubble and its physical property detection data prepared using regular convention formula.
Table 1 is the formula of soft bubble and its physical property detection data prepared using regular convention formula
Claims (5)
1. it is a kind of need not remove chain-transferring agent production POP production method, which is characterized in that using small molecule polyether polyol as
Chain-transferring agent is continuously fed into initiator, polyether polyol, polymerized monomer, stabilizer in reactor, and temperature of reactor is maintained at
100 DEG C -130 DEG C, polymerisation is carried out, reaction product is continuously into removing monomer system；
In terms of parts by weight, raw material composition is as follows：
1-6 parts of small molecule polyether polyol
0.2-0.4 parts of initiator
55-75 parts of polyether polyol
20-45 parts of polymerized monomer
2-5 parts of stabilizer；
The small molecule polyether polyol is specially to be originated with glycerine for 203 or 303,303, and Polymerization of Propylene Oxide is to 300 points
The polyether polyol of son amount；203 originate Polymerization of Propylene Oxide to 300 molecular weight polyether polyols with propylene glycol；
Polymerization pressure is 0.3MPa-0.5MPa；
The polyether polyol solid content of synthesis is 20wt%-45wt%.
2. the production method according to claim 1 that chain-transferring agent production POP need not be removed, which is characterized in that polymerization is single
Body is styrene, acrylonitrile monemer.
3. the production method according to claim 2 that chain-transferring agent production POP need not be removed, which is characterized in that styrene,
The mass ratio of acrylonitrile monemer is 2-4：1.
4. the production method according to claim 1 that chain-transferring agent production POP need not be removed, which is characterized in that polyethers
The molecular weight of polyalcohol is 3000.
5. the production method according to claim 1 that chain-transferring agent production POP need not be removed, which is characterized in that initiator
For azodiisobutyronitrile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625042.3A CN106188425B (en) | 2016-07-30 | 2016-07-30 | The POP and its production method of chain-transferring agent method production need not be removed |
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|---|---|---|---|
| CN201610625042.3A CN106188425B (en) | 2016-07-30 | 2016-07-30 | The POP and its production method of chain-transferring agent method production need not be removed |
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| CN106188425A CN106188425A (en) | 2016-12-07 |
| CN106188425B true CN106188425B (en) | 2018-06-22 |
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