CN102924636A - Suspension polymerization dispersing agent and application thereof - Google Patents
Suspension polymerization dispersing agent and application thereof Download PDFInfo
- Publication number
- CN102924636A CN102924636A CN2012104526587A CN201210452658A CN102924636A CN 102924636 A CN102924636 A CN 102924636A CN 2012104526587 A CN2012104526587 A CN 2012104526587A CN 201210452658 A CN201210452658 A CN 201210452658A CN 102924636 A CN102924636 A CN 102924636A
- Authority
- CN
- China
- Prior art keywords
- suspension polymerization
- dispersant
- dispersing agent
- dispersion aids
- polymerization
- 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.)
- Granted
Links
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 43
- 238000010557 suspension polymerization reaction Methods 0.000 title claims abstract description 40
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 10
- 229920000193 polymethacrylate Polymers 0.000 claims abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000006185 dispersion Substances 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000006136 alcoholysis reaction Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- 239000003999 initiator Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004584 polyacrylic acid Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a suspension polymerization dispersing agent and an application of the polymerization dispersing agent. The polymerization dispersing agent consists of main dispersing agent ammonium polymethacrylate and auxiliary dispersing agent polyvinyl alcohol, can be used in the suspension polymerization reaction with the participation of optional one or more selected from monomers consisting of acrylate, methacrylate, styrene, vinyl acetate, chloroethylene and the like. The suspension polymerization dispersing agent provided by the invention not only is environment-friendly but also can prepare the polymer with particle size within the range of 50microns to 1000microns by controlling the addition amount, in addition, the dispersing agent is convenient to use, low in raw material cost, easy-to-get in material, low in cost, is suitable for industrial production, and has extremely high application value.
Description
Technical field
The present invention relates to a kind of suspension polymerization dispersant and application thereof, belong to technical field of macromolecule polymerization.
Background technology
To be monomer be suspended in polymerization process in the water with the small droplets shape in suspension polymerization.Be dissolved with initiator in the monomer, a small droplets is equivalent to a small scale bulk polymerized unit.Change polymer solid particles into from monomer droplet, middle through polymkeric substance-monomer viscous particle stage, sticking also for preventing particle, need to add dispersion agent, form protective membrane at particle surface.Dispersant dosage is relevant with selecting of polymerization single polymerization monomer and dispersion agent, and consumption is that 0.05～30% of monomer mass does not wait.The sodium salt of mentioning polyacrylic acid and polymethyl acrylic acid in " suspension polymerization " that Pan Zuren writes can be used as the synthetic macromolecule dispersion agent, the sodium salt that Chinese patent CN102030849A also mentions polyacrylic acid and polymethyl acrylic acid can be used as the application of suspension polymerization dispersant, but can produce the residual of sodium Metal 99.5 ion after polyacrylic acid and the discharging of sodium polymethacrylate salt, edatope is produced adverse influence.
Summary of the invention
The problems referred to above for prior art exists the purpose of this invention is to provide a kind of environmentally friendly suspension polymerization dispersant and application thereof.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of suspension polymerization dispersant is comprised of main dispersant ammonium polymethacrylate and dispersion aids polyvinyl alcohol.
As a kind of preferred version, dispersion aids wherein and the mass ratio of main dispersant are (0.001～0.01): 1.
As further preferred version, described dispersion aids is that alcoholysis degree is 70～90% polyvinyl alcohol.
Suspension polymerization dispersant of the present invention can be used in the suspension polymerization of any one or a few participation in the monomers such as acrylate, methacrylic ester, vinylbenzene, vinyl acetate, vinylchlorid.
As a kind of preferred version, when described suspension polymerization dispersant is applied to suspension polymerization, need first with the hot water dissolving of dispersion aids polyvinyl alcohol with 60～100 ℃.
As further preferred version, when described suspension polymerization dispersant is applied to suspension polymerization, need first mixed aqueous solution with main dispersant and dispersion aids after stirring under 40～60 ℃, add again polymerization single polymerization monomer.
As preferred version further, the consumption of described suspension polymerization dispersant is 0.1～5% of monomer total mass.
Compared with prior art, suspension polymerization dispersant provided by the invention, not only environmentally friendly, and by the control addition, can make particle diameter is the polymkeric substance of 100～2000 μ m scopes, and easy to use, raw material is cheap and easy to get, cost is low, is fit to suitability for industrialized production, has extremely strong practical value.
Embodiment
Below in conjunction with embodiment to the present invention do further in detail, intactly explanation.
Embodiment 1
Rotary viscosity when getting solid content and being 10%, 25 ℃ is the ammonium polymethacrylate aqueous solution 20g of 500mPa.s, is 80% polyvinyl alcohol in addition with the 0.003g alcoholysis degree with the hot water dissolving of 80 ℃ of 30g; The above-mentioned main dispersant aqueous solution and the adding of the dispersion aids aqueous solution are filled in the 5000mL there-necked flask of 3000mL deionized water, be warming up to 50 ℃, stirring makes and mixes (approximately 20 minutes), namely gets suspension polymerization dispersant of the present invention; The suspension polymerization dispersant that makes is applied to (300g methyl methacrylate, 700g vinylbenzene and an amount of initiator and conditioning agent) in the polymerization system, carry out polyreaction according to suspension polymerization process; Polyreaction finishes, and washs, dry, screening; The copolymer product of gained methyl methacrylate (30%) and vinylbenzene (70%) is 94% through the percent of pass of 30 mesh sieves (particle diameter 780 μ m), is 10% through the percent of pass of 60 mesh sieves (particle diameter 250 μ m).
Embodiment 2
The rotary viscosity of getting solid content and be 5%, 25 ℃ is the ammonium polymethacrylate aqueous solution 120g of 230mPa.s, is 85% polyvinyl alcohol in addition with the 0.02g alcoholysis degree with the hot water dissolving of 85 ℃ of 20g; The above-mentioned main dispersant aqueous solution and the adding of the dispersion aids aqueous solution are filled in the 5000mL there-necked flask of 3000mL deionized water, be warming up to 50 ℃, stirring makes and mixes (approximately 20 minutes), namely gets suspension polymerization dispersant of the present invention; The suspension polymerization dispersant that makes is applied to (300g methyl methacrylate, 700g n-BMA and an amount of initiator and conditioning agent) in the polymerization system, carry out polyreaction according to suspension polymerization process; Polyreaction finishes, and washs, dry, screening; The copolymer product of gained methyl methacrylate (30%) and n-BMA (70%) is 96% through the percent of pass of 60 mesh sieves (particle diameter 250 μ m), is 20% through the percent of pass of 120 mesh sieves (particle diameter 120 μ m).
Embodiment 3
The rotary viscosity of getting solid content and be 2%, 25 ℃ is the ammonium polymethacrylate aqueous solution 500g of 60mPa.s; In addition be 85% polyvinyl alcohol with the 0.04g alcoholysis degree with the hot water dissolving of 70 ℃ of 50g; The above-mentioned main dispersant aqueous solution and the adding of the dispersion aids aqueous solution are filled in the 5000mL there-necked flask of 3000mL deionized water, be warming up to 50 ℃, stirring makes and mixes (approximately 20 minutes), namely gets suspension polymerization dispersant of the present invention; The suspension polymerization dispersant that makes is applied to (1000g methyl methacrylate and an amount of initiator and conditioning agent) in the polymerization system, carry out polyreaction according to suspension polymerization process; Polyreaction finishes, and washs, dry, screening; Gained polymethylmethacrylate product is 96% through the percent of pass of 120 mesh sieves (particle diameter 120 μ m).
In sum as seen: suspension polymerization dispersant provided by the invention, not only environmentally friendly, and by the control addition, can make particle diameter is the polymkeric substance of 50～1000 μ m scopes, and easy to use, and raw material is cheap and easy to get, cost is low, is fit to suitability for industrialized production, has extremely strong practical value.
Be necessary at last in this explanation to be: above embodiment only is used for technical scheme of the present invention is described in more detail; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (7)
1. a suspension polymerization dispersant is characterized in that: be comprised of main dispersant ammonium polymethacrylate and dispersion aids polyvinyl alcohol.
2. suspension polymerization dispersant according to claim 1 is characterized in that: dispersion aids wherein and the mass ratio of main dispersant are (0.001～0.01): 1.
3. suspension polymerization dispersant according to claim 1 and 2, it is characterized in that: described dispersion aids is that alcoholysis degree is 70～90% polyvinyl alcohol.
4. the application of suspension polymerization dispersant according to claim 1 is characterized in that: in the suspension polymerization of described suspension polymerization dispersant for any one or a few participation of acrylate, methacrylic ester, vinylbenzene, vinyl acetate, vinyl chloride monomer.
5. application according to claim 4 is characterized in that: when described suspension polymerization dispersant is applied to suspension polymerization, need first with the hot water dissolving of dispersion aids polyvinyl alcohol with 60～100 ℃.
6. application according to claim 5 is characterized in that: when described suspension polymerization dispersant is applied to suspension polymerization, need first mixed aqueous solution with main dispersant and dispersion aids after stirring under 40～60 ℃, add polymerization single polymerization monomer again.
7. application according to claim 6 is characterized in that: the consumption of described suspension polymerization dispersant is 0.1～5% of monomer total mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452658.7A CN102924636B (en) | 2012-11-13 | 2012-11-13 | Suspension polymerization dispersing agent and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452658.7A CN102924636B (en) | 2012-11-13 | 2012-11-13 | Suspension polymerization dispersing agent and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102924636A true CN102924636A (en) | 2013-02-13 |
| CN102924636B CN102924636B (en) | 2014-07-09 |
Family
ID=47639580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210452658.7A Active CN102924636B (en) | 2012-11-13 | 2012-11-13 | Suspension polymerization dispersing agent and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102924636B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313796A (en) * | 2014-09-09 | 2015-01-28 | 天津工业大学 | Manufacturing method for fibrous membrane for oil-water separation |
| CN106749824A (en) * | 2016-12-01 | 2017-05-31 | 丹东明珠特种树脂有限公司 | Crosslinked polystyrene spheroid preparation dispersant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101535569A (en) * | 2006-09-14 | 2009-09-16 | 凯米罗总公司 | Composition and method for paper processing |
| CN102659149A (en) * | 2012-02-28 | 2012-09-12 | 山东大学 | Preparation method of monodisperse high-purity α-Al2O3 powder |
-
2012
- 2012-11-13 CN CN201210452658.7A patent/CN102924636B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101535569A (en) * | 2006-09-14 | 2009-09-16 | 凯米罗总公司 | Composition and method for paper processing |
| CN102659149A (en) * | 2012-02-28 | 2012-09-12 | 山东大学 | Preparation method of monodisperse high-purity α-Al2O3 powder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313796A (en) * | 2014-09-09 | 2015-01-28 | 天津工业大学 | Manufacturing method for fibrous membrane for oil-water separation |
| CN106749824A (en) * | 2016-12-01 | 2017-05-31 | 丹东明珠特种树脂有限公司 | Crosslinked polystyrene spheroid preparation dispersant and preparation method thereof |
| CN106749824B (en) * | 2016-12-01 | 2019-03-05 | 丹东明珠特种树脂有限公司 | Crosslinked polystyrene sphere preparation dispersing agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102924636B (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX2009008902A (en) | Pressure sensitive adhesive dispersion having high solids and low viscosity and method of making same. | |
| MX2015017289A (en) | Process for producing a microcapsule dispersion comprising microcapsules with a hydrophilic capsule core. | |
| CN102382262B (en) | One-step continuous granulation preparation method for water absorbent granule | |
| RU2013120200A (en) | TONER | |
| CN102408853A (en) | Water-based body flame-retardant acrylate adhesive and preparation method thereof | |
| HRP20170831T1 (en) | Use of a polymer dispersion as dust control agent | |
| CN102633944B (en) | Preparation method of salt-tolerance controlled-release high-water-absorption resin with hydrophobic chain segments | |
| CN102603929B (en) | Preparation method of polymer particles | |
| JP2013500292A5 (en) | ||
| CN102924636B (en) | Suspension polymerization dispersing agent and application thereof | |
| CN105713131A (en) | Styrene-acrylic emulsion, preparation method and application thereof | |
| CN103936918A (en) | Water-absorbing acrylate foam material and preparation method and application thereof | |
| CN103087275A (en) | Cationic/nonionic composite high polymer antistatic agent and preparation method thereof | |
| CN103012651B (en) | Method for preparing polyacrylic resin | |
| CA2311805A1 (en) | Process for preparing polyvinyl alcohol-stabilized polymers | |
| JP2013203986A (en) | Method for producing resin particle and product of the same | |
| CN103254363B (en) | Preparation method and application of lubricant for papermaking | |
| CN103406067A (en) | Polycarboxylic acid dispersing agent and preparation method and application thereof | |
| CN103554362B (en) | A kind of copolymer-maleic anhydride dispersion agent and preparation method thereof and application | |
| MX2014010951A (en) | Binder thickened with xanthan gum. | |
| JP7087409B2 (en) | Vinyl chloride-vinyl acetate copolymer resin and automobile underbody coating agent | |
| US9150679B2 (en) | Saponification product of vinyl ester/ethylenically unsaturated carboxylic acid ester copolymer and process for producing the same | |
| CN105418827A (en) | Solid acrylic matting resin with improved mechanical property | |
| CN103432960A (en) | Agricultural hard water resisting macromolecule dispersant as well as preparation method thereof | |
| JP2007186569A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |