CN103613788A - Preparation method and application of plastic toughening dispersant - Google Patents
Preparation method and application of plastic toughening dispersant Download PDFInfo
- Publication number
- CN103613788A CN103613788A CN201310600217.1A CN201310600217A CN103613788A CN 103613788 A CN103613788 A CN 103613788A CN 201310600217 A CN201310600217 A CN 201310600217A CN 103613788 A CN103613788 A CN 103613788A
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- Prior art keywords
- branched polyester
- graphene oxide
- plastic
- end carboxyl
- super branched
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- 239000004033 plastic Substances 0.000 title claims abstract description 36
- 229920003023 plastic Polymers 0.000 title claims abstract description 36
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 7
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 30
- 229920000728 polyester Polymers 0.000 claims description 30
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 239000006185 dispersion Substances 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 12
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 150000001263 acyl chlorides Chemical class 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000088 plastic resin Substances 0.000 abstract description 3
- 230000009257 reactivity Effects 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 229920006150 hyperbranched polyester Polymers 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 2
- 229920000587 hyperbranched polymer Polymers 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses a preparation method and application of a plastic toughening dispersant. Graphene oxide and carboxyl-terminated hyperbranched polyester are adopted as main raw materials to prepare the plastic toughening dispersant; relatively active reactivity and interface activity function of graphene oxide are utilized, and the carboxyl-terminated hyperbranched polyester with high activity, low viscosity and good dispersity is adopted for grafting to modify surface of graphene oxide, so that graphene oxide has better organic solvent dissolution dispersity; meanwhile, a hydrogen bond and a plastic composite material form a chemical bond to anchor and bridge plastic resin and each component thereof, so that mechanical performance and other performances of the composite material are greatly improved. The device and the method used for preparing the plastic toughening dispersant are simple, low in cost and easy for large-scale popularization; the prepared plastic toughening dispersant is small in additive amount, a modifying method is convenient, and effect of improving mechanical performance, processing performance, thermal performance, and the like of the plastic composite materials is relatively obvious.
Description
Technical field
The invention belongs to additives for plastics preparing technical field, particularly a kind of preparation method of plastic toughening dispersion agent and application thereof.This plastic toughening dispersion agent can be used for toughening modifying plastics, improves the interface compatibility between Plastic Resin and its various fillers, finally improves mechanical property, thermal characteristics, outward appearance of Plastic composite product etc.
Background technology
Graphene oxide thin slice is the product of powdered graphite through chemical oxidation and after peeling off, and graphene oxide is single atomic shell, can on lateral dimension, expand at any time tens of microns, and therefore, its structure has been crossed over the typical size of general chemistry and Materials science.Graphene oxide can be considered a kind of flexible material of non-traditional kenel, has polymkeric substance, colloid, film, and amphiphilic characteristic.Graphene oxide is regarded as hydroaropic substance for a long time, because it has superior dispersiveness in water, still, related experiment result shows, in fact graphene oxide has amphipathic, presents hydrophilic to hydrophobic property distribution from graphene platelet edge to central authorities.Therefore, graphene oxide can be as interfacial agent Presence of an interface, and reduce the energy between interface.
Hyperbranched polymer (Hyperbranched polymers) is a kind of highly branched, polymkeric substance of having tridimensional network, has that viscosity is low, high resolution, is difficult for crystallization, intermolecular difficult winding, a large amount of functional end-group and the strong features such as chemical reactivity.The application of current hyper-branched polyester is mainly relatively successfully aspect the toughner and coating of blending and modifying at polymkeric substance, matrix material, application at aspects such as optical material, modifying ion surface, nano material, medical materials has caused increasing macromolecular material investigator's concern, is also the emphasis direction of the following application of hyper-branched polyester.
It is main raw material that the present invention intends adopting graphene oxide, end carboxyl super branched polyester, prepare a kind of plastic toughening dispersion agent, utilize the comparatively active reactivity of graphene oxide and interfacial activity function thereof, employing activity is high, the end carboxyl super branched polyester of the low good dispersity of viscosity carries out grafting, modified graphene oxide surface, make it have better organic solvent dissolution dispersed, it forms chemical bond by hydrogen bond and plastics composite simultaneously, anchoring bridge joint Plastic Resin and each component thereof, make the mechanical property of matrix material and other performances obtain large raising.This thinking of the present invention has no bibliographical information.
Summary of the invention
The object of this invention is to provide a kind of preparation method and application thereof of plastic toughening dispersion agent.
Preparation method's concrete steps of plastic toughening dispersion agent of the present invention are:
The toluene of 100 ~ 500 mass parts is added in three mouthfuls of reactors, then the end carboxyl super branched polyester that adds 5 ~ 50 mass parts, stir speed (S.S.) is set to 100 ~ 1000 revs/min, under nitrogen protection, slowly splash into the sulfur oxychloride of 3 ~ 20 mass parts, be warming up to 40 ~ 95 ℃, react 4 ~ 12 hours, complete after the chloride of end carboxyl super branched polyester, be cooled to normal temperature, then the graphene oxide that adds 3 ~ 10 mass parts, open again ultrasonic stirring, ultrasonic frequency is set to 300 ~ 3000 hertz, ultrasonic dispersion 1 ~ 5 hour, and then add the pyridine of 0.3 ~ 2 mass parts, with the stir speed (S.S.)s of 200 ~ 2000 revs/min, stir, under nitrogen protection, 100 ~ 150 ℃ of back flow reaction 2 ~ 6 hours, allow the hydroxyl on graphene oxide react complete with acyl chlorides hyper-branched polyester, by toluene, after unnecessary sulfur oxychloride distillation condensation is got rid of, in end reaction device, remaining lark translucent liquid is plastic toughening dispersion agent.
Described graphene oxide is that natural flake graphite adopts Humers method obtained.
Described end carboxyl super branched polyester is one or more in the end carboxyl super branched polyester of C201, the end carboxyl super branched polyester of C202, the end carboxyl super branched polyester of C203 and the end carboxyl super branched polyester of C204.
Plastic toughening application of dispersant prepared by the inventive method is in mechanical property, processing characteristics and the fillers dispersed situation of improving plastics composite.
Advantage of the present invention is as follows:
(1) the present invention prepares plastic toughening dispersion agent equipment used, method is simple, becomes not low, is easy to large-scale promotion.
(2) addition of the prepared plastic toughening dispersion agent of the present invention is little, and method of modifying is convenient, and mechanical property, processing characteristics and the thermal characteristics etc. of improving Plastic matrix material have comparatively significantly effect.
Embodiment
embodiment 1:
The main raw material of the present embodiment is graphene oxide (adopting the self-control of Humers method), the end carboxyl super branched polyester of C204 (technical grade), sulfur oxychloride (technical grade), toluene (technical grade) and pyridine (technical grade).
The concrete steps that the present embodiment is prepared plastic toughening dispersion agent are:
45 kilograms of toluene are added in 100 liters of three mouthfuls of reactors, then add 5 kilograms of end carboxyl super branched polyester of C204, stir speed (S.S.) is set to 600 revs/min, under nitrogen protection, slowly splash into 0.5 kilogram of sulfur oxychloride, be warming up to 80 ℃, react 6 hours, complete after the chloride of end carboxyl super branched polyester, be cooled to normal temperature, then add 0.5 kilogram of graphene oxide, open again ultrasonic stirring, ultrasonic frequency is set to 2000 hertz, ultrasonic dispersion 4 hours, and then add 0.2 kilogram of pyridine, with the stir speed (S.S.)s of 1200 revs/min, stir, under nitrogen protection, 135 ℃ of back flow reaction 5 hours, allow the hydroxyl on graphene oxide react complete with acyl chlorides hyper-branched polyester, by toluene, after unnecessary sulfur oxychloride distillation condensation is got rid of, in end reaction device, remaining lark translucent liquid is plastic toughening dispersion agent.
The application of the prepared plastic toughening dispersion agent of the present embodiment:
The prepared plastic toughening dispersion agent of the present embodiment is for modified PVC/calcium carbonate composite material, add the 1%(mass percent of total amount), the shock strength of PVC/ calcium carbonate composite material improves 56%, flexural strength improves 44%, thermal characteristics improves 20%, smooth in appearance is unified, and properties effect is greatly excellent in original formulation product.
embodiment 2:
The main raw material of the present embodiment is graphene oxide (adopting the self-control of Humers method), the end carboxyl super branched polyester of C204 (technical grade), the end carboxyl super branched polyester of C203 (technical grade), sulfur oxychloride (technical grade), toluene (technical grade) and pyridine (technical grade).
The concrete steps that the present embodiment is prepared plastic toughening dispersion agent are:
40 kilograms of toluene are added in 100 liters of three mouthfuls of reactors, then add 2 kilograms of end carboxyl super branched polyester of C204 and 2 kilograms of end carboxyl super branched polyester of C203, stir speed (S.S.) is set to 800 revs/min, under nitrogen protection, slowly splash into 0.6 kilogram of sulfur oxychloride, be warming up to 85 ℃, react 5 hours, complete after the chloride of end carboxyl super branched polyester, be cooled to normal temperature, then add 0.7 kilogram of graphene oxide, open again ultrasonic stirring, ultrasonic frequency is set to 2300 hertz, ultrasonic dispersion 5 hours, and then add 0.3 kilogram of pyridine, with the stir speed (S.S.)s of 1400 revs/min, stir, under nitrogen protection, 145 ℃ of back flow reaction 3 hours, allow the hydroxyl on graphene oxide react complete with acyl chlorides hyper-branched polyester, by toluene, after unnecessary sulfur oxychloride distillation condensation is got rid of, in end reaction device, remaining lark translucent liquid is plastic toughening dispersion agent.
The application of the prepared plastic toughening dispersion agent of the present embodiment:
The prepared plastic toughening dispersion agent of the present embodiment is for modified PVC/calcium carbonate composite material, add the 1%(mass percent of total amount), the shock strength of PVC/ calcium carbonate composite material improves 66%, flexural strength improves 45%, thermal characteristics improves 26%, smooth in appearance is unified, and properties effect is greatly excellent in original formulation product.
Claims (2)
1. a preparation method for plastic toughening dispersion agent, is characterized in that concrete steps are:
The toluene of 100 ~ 500 mass parts is added in three mouthfuls of reactors, then the end carboxyl super branched polyester that adds 5 ~ 50 mass parts, stir speed (S.S.) is set to 100 ~ 1000 revs/min, under nitrogen protection, slowly splash into the sulfur oxychloride of 3 ~ 20 mass parts, be warming up to 40 ~ 95 ℃, react 4 ~ 12 hours, complete after the chloride of end carboxyl super branched polyester, be cooled to normal temperature, then the graphene oxide that adds 3 ~ 10 mass parts, open again ultrasonic stirring, ultrasonic frequency is set to 300 ~ 3000 hertz, ultrasonic dispersion 1 ~ 5 hour, and then add the pyridine of 0.3 ~ 2 mass parts, with the stir speed (S.S.)s of 200 ~ 2000 revs/min, stir, under nitrogen protection, 100 ~ 150 ℃ of back flow reaction 2 ~ 6 hours, allow the hydroxyl on graphene oxide react complete with acyl chlorides hyper-branched polyester, by toluene, after unnecessary sulfur oxychloride distillation condensation is got rid of, in end reaction device, remaining lark translucent liquid is plastic toughening dispersion agent,
Described graphene oxide is that natural flake graphite adopts Humers method obtained;
Described end carboxyl super branched polyester is one or more in the end carboxyl super branched polyester of C201, the end carboxyl super branched polyester of C202, the end carboxyl super branched polyester of C203 and the end carboxyl super branched polyester of C204.
2. the application of the plastic toughening dispersion agent that according to claim 1 prepared by method, is characterized in that prepared plastic toughening application of dispersant is in mechanical property, processing characteristics and the fillers dispersed situation of improving plastics composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600217.1A CN103613788B (en) | 2013-11-25 | 2013-11-25 | Preparation method and application of plastic toughening dispersant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600217.1A CN103613788B (en) | 2013-11-25 | 2013-11-25 | Preparation method and application of plastic toughening dispersant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103613788A true CN103613788A (en) | 2014-03-05 |
| CN103613788B CN103613788B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310600217.1A Expired - Fee Related CN103613788B (en) | 2013-11-25 | 2013-11-25 | Preparation method and application of plastic toughening dispersant |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106589461A (en) * | 2016-12-22 | 2017-04-26 | 西安理工大学 | Preparation method of triglycidyl isocyanurate/graphene oxide composite material |
| CN106810679A (en) * | 2017-03-03 | 2017-06-09 | 重庆市智翔铺道技术工程有限公司 | A kind of hyper-branched polyester grafting carbon nanotube toughener and preparation method thereof |
| CN107353003A (en) * | 2017-07-18 | 2017-11-17 | 湖南省长宁炭素股份有限公司 | A kind of ventilative carbon rod and preparation method thereof |
| CN109486183A (en) * | 2018-10-25 | 2019-03-19 | 六安亚泰新材料有限公司 | A kind of high tenacity polyamide heat insulating strip master batch |
| CN111331976A (en) * | 2020-03-24 | 2020-06-26 | 李长桂 | Composite protective material for epidemic prevention of neocoronary pneumonia and preparation method thereof |
| CN113402878A (en) * | 2021-06-15 | 2021-09-17 | 中国人民解放军陆军工程大学 | Preparation method of modified graphene oxide/HTPB polyurethane composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504147A (en) * | 2011-11-29 | 2012-06-20 | 桂林理工大学 | Method for modifying epoxy resin through amino-terminated hyperbranched polymer-grafted graphene oxide |
| CN102766265A (en) * | 2012-08-12 | 2012-11-07 | 桂林理工大学 | Method for preparing graphene oxide grafted with thermotropic liquid crystal compound with end group containing epoxy group |
-
2013
- 2013-11-25 CN CN201310600217.1A patent/CN103613788B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504147A (en) * | 2011-11-29 | 2012-06-20 | 桂林理工大学 | Method for modifying epoxy resin through amino-terminated hyperbranched polymer-grafted graphene oxide |
| CN102766265A (en) * | 2012-08-12 | 2012-11-07 | 桂林理工大学 | Method for preparing graphene oxide grafted with thermotropic liquid crystal compound with end group containing epoxy group |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106589461A (en) * | 2016-12-22 | 2017-04-26 | 西安理工大学 | Preparation method of triglycidyl isocyanurate/graphene oxide composite material |
| CN106810679A (en) * | 2017-03-03 | 2017-06-09 | 重庆市智翔铺道技术工程有限公司 | A kind of hyper-branched polyester grafting carbon nanotube toughener and preparation method thereof |
| CN106810679B (en) * | 2017-03-03 | 2019-03-08 | 重庆市智翔铺道技术工程有限公司 | A kind of hyper-branched polyester grafting carbon nanotube toughener and preparation method thereof |
| CN107353003A (en) * | 2017-07-18 | 2017-11-17 | 湖南省长宁炭素股份有限公司 | A kind of ventilative carbon rod and preparation method thereof |
| CN109486183A (en) * | 2018-10-25 | 2019-03-19 | 六安亚泰新材料有限公司 | A kind of high tenacity polyamide heat insulating strip master batch |
| CN111331976A (en) * | 2020-03-24 | 2020-06-26 | 李长桂 | Composite protective material for epidemic prevention of neocoronary pneumonia and preparation method thereof |
| CN111331976B (en) * | 2020-03-24 | 2020-12-22 | 大连双迪桃花卫生用品有限公司 | Composite protective material for epidemic prevention of neocoronary pneumonia and preparation method thereof |
| CN113402878A (en) * | 2021-06-15 | 2021-09-17 | 中国人民解放军陆军工程大学 | Preparation method of modified graphene oxide/HTPB polyurethane composite material |
| CN113402878B (en) * | 2021-06-15 | 2022-08-16 | 中国人民解放军陆军工程大学 | Preparation method of modified graphene oxide/HTPB polyurethane composite material |
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| CN103613788B (en) | 2014-12-10 |
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Effective date of registration: 20180727 Address after: 524545 85 Wang Cun Gang Road, Wang Cun Gang Town, Wuchuan, Guangdong Patentee after: Wuchuan Fuli packing material Co.,Ltd. Address before: No. 12, Jian Gong Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guilin University of Technology |
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