CN109880343A - A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof - Google Patents
A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof Download PDFInfo
- Publication number
- CN109880343A CN109880343A CN201910078272.6A CN201910078272A CN109880343A CN 109880343 A CN109880343 A CN 109880343A CN 201910078272 A CN201910078272 A CN 201910078272A CN 109880343 A CN109880343 A CN 109880343A
- Authority
- CN
- China
- Prior art keywords
- ppo
- resin
- corrosion
- elastic composite
- resistant weather
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The present invention relates to technical field of composite materials, more particularly to a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof, the composite material includes following component PPO resin 30~40%, thermoplastic polyurethane resin 20~30%, maleic anhydride 5~10%, graphene powder 2~3%, acrylonitrile 6~10%, epoxy resin 10~20%, fire retardant 2~3%, coupling agent 2~3%, initiator 1~3%, chain extender 3~5%, auxiliary agent 1~2.5%, the composite material has flame retardant property good, toughness is strong, intensity is good and corrosion-resistant weather-proof advantage, preparation method can prepare the PPO elastic composite of above-mentioned advantage.
Description
Technical field
The present invention relates to technical field of composite materials, and in particular to a kind of corrosion-resistant weather-resistance flame-retardant PPO elastomer composite material
Material and preparation method thereof.
Background technique
Chemical name polyphenylene oxide, abbreviation PPO, by the disubstituted phenol of 2,6- through thermoplastic resin made of oxidative coupling polymerization
Rouge, generally in khaki powder shape, PPO has preferable flame retardant property, before having biggish application in the application of engineering plastics field
Scape.Contain phenyl ring in the structural molecule of PPO, phenyl ring has preferable stability and rigidity, and therefore, PPO not only has preferably
Flame retardant property also has preferable heat resistance, however, the rigidity just because of phenyl ring is strong, thus is easy to produce when PPO application
Breach, the breach affect the processing of PPO plastics, are unfavorable for the popularization and application of fully PPO plastics.
Summary of the invention
For the prior art there are above-mentioned technical problem, it is an object of that present invention to provide a kind of PPO elastic composite,
The composite material has the advantages that flame retardant property is good, toughness is strong, intensity is good and corrosion-resistant weather-proof, and provides and a kind of can produce tool
There is the preparation method of the PPO elastic composite of above-mentioned advantage.
One of for achieving the above object, the following technical schemes are provided:
A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite is provided, the component including following weight percent:
Wherein, the epoxy resin is biphenol A epoxy resin；The acrylonitrile is end hydroxy butadiene-acrylonitrile.
Wherein, the chain extender is 1,4-butanediol, 3,5- dimethyl sulfide toluenediamine, one in dimethylenebenzene glycol
Kind or any two or more mixture.
Wherein, the initiator is composite initiator, and the composite initiator is by potassium peroxydisulfate, azobisisoheptonitrile and peroxide
Change lauroyl to constitute, the weight ratio of the potassium peroxydisulfate, the azobisisoheptonitrile and the dilauroyl peroxide is 3:1:
1。
Wherein, the coupling agent is silane coupling agent.
Wherein, the auxiliary agent includes antioxidant and light stabilizer.
For achieving the above object two, the following technical schemes are provided:
A kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite is provided, is included the following steps,
1) the PPO resin and polyurethane resin for weighing formula ratio respectively, at 270~290 DEG C heating melting PPO resin and
The heating melting polyurethane resin at 170~200 DEG C, then on the PPO resin of melting and the polyurethane resin of melting respectively
Initiator is added；
2) above-mentioned polyurethane resin is kept the temperature, chain extender and maleic anhydride then is added to the polyurethane while stirring, obtains
Polyurethane grafting substrate；
3) graphene powder of formula ratio is weighed, grinds and graphene powder is stirred in screening and is added to by use dressing sieve
In epoxy resin, make the 90~120ppm of concentration of graphene in the epoxy, be uniformly mixed, is then added to epoxy resin
Acrylonitrile continuess to mix uniformly, obtains modified epoxy；
4) by PPO resin, polyurethane grafting substrate, modified epoxy, coupling agent, antioxidant and the light of above-mentioned molten condition
Stabilizer is sufficiently mixed uniformly, and mixed material is then put into pelletizer and the melt pelletization at 270~290 DEG C, is obtained
Granulating plastics.
Wherein, be added PPO resin in initiator and be added polyurethane resin on initiator weight ratio be 2:1~
1.5；The viscosity of the PPO resin is 0.2~0.6dL/g；The counterpoise molecular weight of the modified epoxy be 15000~
50000。
Wherein, the graphene powder is ground using spherical surface.
Wherein, in the polyurethane grafting substrate, the grafting rate of maleic anhydride is 1.5~3%.
Beneficial effects of the present invention:
(1) chain extender is added to thermoplastic polyurethane resin in the present invention, increases the molecular weight of polyurethane, polyurethane is drawing
It sends out and is generated free radicals under the initiation of agent, which reacts to crosslink based on the unsaturated double-bond with maleic anhydride, obtains
Elastomer polyurethane graft, the polyurethane grafting substrate have certain molecular weight and crosslinking key, as soft segment molecule with
PPO is combined, and improves the toughness of PPO resin, so that the composite material has elasticity, and then is improved PPO resin and is easy to happen
The problem of breach.
(2) graphene powder of the invention has biggish specific surface area, and the toughness of epoxy resin, and the present invention can be improved
Graphene powder by grind and using sieve screening investment epoxy resin in, graphene can be effectively prevented in epoxy resin
The problem of middle reunion, and graphene powder can preferably be combined as hardness molecule with above-mentioned elastomer polyurethane graft；
And the present invention modifies epoxy resin using acrylonitrile, further increases the toughness of epoxy resin, and acrylonitrile has oiliness, and
OPP resin has preferable lipophilicity, further improves the conjugation of PPO resin and epoxy resin, obtained modified epoxy
Resin can be preferably by PPO resin in conjunction with modified thermoplastic polyurethane resin.
(3) of the invention to joined graphene powder, it not only can increase the toughness of composite material, and can improve multiple
The corrosion-resistant weather resistance of condensation material, and PPO resin itself is with preferable flame retardant property, under the allotment of fire retardant
It can reach V0 fire-retardant rank.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1.
A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite is provided, the component including following weight percent:
PPO resin 40%, thermoplastic polyurethane resin 30%, maleic anhydride 7%, graphene powder 3%, acrylonitrile 6%,
Epoxy resin 10%, fire retardant 3%, coupling agent 2%, initiator 1%, chain extender 3%, auxiliary agent 1%.
In this implementation, epoxy resin is biphenol A epoxy resin；Acrylonitrile is end hydroxy butadiene-acrylonitrile, so that
Acrylic has certain polarity, is more convenient for improving reaction.
In this implementation, initiator is 1,4-butanediol, 3,5- dimethyl sulfide toluenediamine, one in dimethylenebenzene glycol
Kind or any two or more mixture.
In this implementation, initiator is that initiator is composite initiator, and the composite initiator is by potassium peroxydisulfate, azo two different heptan
Nitrile and dilauroyl peroxide, the weight ratio of potassium peroxydisulfate, azobisisoheptonitrile and dilauroyl peroxide are 3:1:1, in order to
Adapt to the higher temperature of PPO and different raw materials
In this implementation, coupling agent is silane coupling agent.
In this implementation, auxiliary agent includes antioxidant and light stabilizer.
A kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite, includes the following steps,
1) the PPO resin and polyurethane resin for weighing formula ratio respectively, the heating melting PPO resin and 170 at 270 DEG C
Then heating melting polyurethane resin at DEG C is separately added into initiator on the PPO resin of melting and the polyurethane resin of melting；
2) above-mentioned polyurethane resin is kept the temperature, chain extender and maleic anhydride then is added to the polyurethane while stirring, obtains
Polyurethane grafting substrate；
3) graphene powder of formula ratio is weighed, grinds and graphene powder is stirred in screening and is added to by use dressing sieve
In epoxy resin, then which is added in epoxy resin, makes the concentration of graphene in the epoxy
90~120ppm is uniformly mixed, acrylonitrile is then added into epoxy resin, continuess to mix uniformly, obtains modified epoxy；
4) by PPO resin, polyurethane grafting substrate, modified epoxy, coupling agent, antioxidant and the light of above-mentioned molten condition
Stabilizer is being sufficiently mixed uniformly, and mixed material is then put into pelletizer and the melt pelletization at 280 DEG C, obtains granulating
Plastics.
In the present embodiment, the weight ratio of the initiator in PPO resin and the initiator being added on polyurethane resin is added
For 2:1；The viscosity of PPO resin is 0.6dL/g；The counterpoise molecular weight of modified epoxy is 15000~50000.
In the present embodiment, graphene powder is ground using spherical surface,.
In the present embodiment, in polyurethane grafting substrate, the grafting rate of maleic anhydride is 1.5~3%
Embodiment 2.
PPO resin 40%, thermoplastic polyurethane resin 20%, maleic anhydride 9%, graphene powder 3%, acrylonitrile
10%, epoxy resin 10%, fire retardant 2%, coupling agent 3%, initiator 3%, chain extender 5%, auxiliary agent 1%.
In this implementation, epoxy resin is biphenol A epoxy resin；Acrylonitrile is end hydroxy butadiene-acrylonitrile, so that
Acrylic has certain polarity, is more convenient for improving reaction.
In this implementation, initiator is 1,4-butanediol, 3,5- dimethyl sulfide toluenediamine, one in dimethylenebenzene glycol
Kind or any two or more mixture.
In this implementation, initiator is that initiator is composite initiator, and the composite initiator is by potassium peroxydisulfate, azo two different heptan
Nitrile and dilauroyl peroxide, the weight ratio of potassium peroxydisulfate, azobisisoheptonitrile and dilauroyl peroxide are 3:1:1, in order to
Adapt to the higher temperature of PPO and different raw materials
In this implementation, coupling agent is silane coupling agent.
In this implementation, auxiliary agent includes antioxidant and light stabilizer.
A kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite, includes the following steps,
1) the PPO resin and polyurethane resin for weighing formula ratio respectively, the heating melting PPO resin and 200 at 290 DEG C
Then heating melting polyurethane resin at DEG C is separately added into initiator on the PPO resin of melting and the polyurethane resin of melting；
2) above-mentioned polyurethane resin is kept the temperature, chain extender and maleic anhydride then is added to the polyurethane while stirring, obtains
Polyurethane grafting substrate；
3) graphene powder of formula ratio is weighed, grinds and graphene powder is stirred in screening and is added to by use dressing sieve
In epoxy resin, then which is added in epoxy resin, makes the concentration of graphene in the epoxy
90~120ppm is uniformly mixed, acrylonitrile is then added into epoxy resin, continuess to mix uniformly, obtains modified epoxy；
4) by PPO resin, polyurethane grafting substrate, modified epoxy, coupling agent, antioxidant and the light of above-mentioned molten condition
Stabilizer is being sufficiently mixed uniformly, and mixed material is then put into pelletizer and the melt pelletization at 290 DEG C, obtains granulating
Plastics.
In the present embodiment, the weight ratio of the initiator in PPO resin and the initiator being added on polyurethane resin is added
For 2:1；The viscosity of PPO resin is 0.2dL/g；The counterpoise molecular weight of modified epoxy is 15000~50000.
In the present embodiment, graphene powder is ground using spherical surface,.
In the present embodiment, in polyurethane grafting substrate, the grafting rate of maleic anhydride is 1.5~3%
Embodiment 3.
PPO resin 35%, thermoplastic polyurethane resin 21.5%, maleic anhydride 8%, graphene powder 2.5%, acrylonitrile
8%, epoxy resin 15%, fire retardant 2%, coupling agent 3%, initiator 2%, chain extender 3%, auxiliary agent 1%.
In this implementation, epoxy resin is biphenol A epoxy resin；Acrylonitrile is end hydroxy butadiene-acrylonitrile, so that
Acrylic has certain polarity, is more convenient for improving reaction.
In this implementation, initiator is 1,4-butanediol, 3,5- dimethyl sulfide toluenediamine, one in dimethylenebenzene glycol
Kind or any two or more mixture.
In this implementation, initiator is that initiator is composite initiator, and the composite initiator is by potassium peroxydisulfate, azo two different heptan
Nitrile and dilauroyl peroxide, the weight ratio of potassium peroxydisulfate, azobisisoheptonitrile and dilauroyl peroxide are 3:1:1, in order to
Adapt to the higher temperature of PPO and different raw materials
In this implementation, coupling agent is silane coupling agent.
In this implementation, auxiliary agent includes antioxidant and light stabilizer.
A kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite, includes the following steps,
1) the PPO resin and polyurethane resin for weighing formula ratio respectively, the heating melting PPO resin and 180 at 290 DEG C
Then heating melting polyurethane resin at DEG C is separately added into initiator on the PPO resin of melting and the polyurethane resin of melting；
2) above-mentioned polyurethane resin is kept the temperature, chain extender and maleic anhydride then is added to the polyurethane while stirring, obtains
Polyurethane grafting substrate；
3) graphene powder of formula ratio is weighed, grinds and graphene powder is stirred in screening and is added to by use dressing sieve
In epoxy resin, then which is added in epoxy resin, makes the concentration of graphene in the epoxy
90~120ppm is uniformly mixed, acrylonitrile is then added into epoxy resin, continuess to mix uniformly, obtains modified epoxy；
4) by PPO resin, polyurethane grafting substrate, modified epoxy, coupling agent, antioxidant and the light of above-mentioned molten condition
Stabilizer is being sufficiently mixed uniformly, and mixed material is then put into pelletizer and the melt pelletization at 290 DEG C, obtains granulating
Plastics.
In the present embodiment, the weight ratio of the initiator in PPO resin and the initiator being added on polyurethane resin is added
For 2:1.5；The viscosity of PPO resin is 0.5dL/g；The counterpoise molecular weight of modified epoxy is 15000~50000.
In the present embodiment, graphene powder is ground using spherical surface.
In the present embodiment, in polyurethane grafting substrate, the grafting rate of maleic anhydride is 1.5~3%
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite, it is characterized in that: including the component of following weight percent:
2. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 1, it is characterized in that: the ring
Oxygen resin is biphenol A epoxy resin；The acrylonitrile is end hydroxy butadiene-acrylonitrile.
3. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 1, it is characterized in that: the expansion
Chain agent is one of 1,4- butanediol, 3,5- dimethyl sulfide toluenediamine, dimethylenebenzene glycol or any two or more
Mixture.
4. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 1, it is characterized in that: described draw
Hair agent is composite initiator, which is made of potassium peroxydisulfate, azobisisoheptonitrile and dilauroyl peroxide, the mistake
The weight ratio of potassium sulfate, the azobisisoheptonitrile and the dilauroyl peroxide is 3:1:1.
5. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 1, it is characterized in that: the idol
Connection agent is silane coupling agent.
6. a kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 1, it is characterized in that: described help
Agent includes antioxidant and light stabilizer.
7. a kind of described in any item preparation methods of corrosion-resistant weather-resistance flame-retardant PPO elastic composite of claim 1~6,
It is characterized in that: include the following steps,
1) the PPO resin and polyurethane resin for weighing formula ratio respectively, at 270~290 DEG C heating melting PPO resin and
Then heating melting polyurethane resin at 170~200 DEG C adds respectively on the PPO resin of melting and the polyurethane resin of melting
Enter initiator；
2) above-mentioned polyurethane resin is kept the temperature, chain extender and maleic anhydride then is added to the polyurethane while stirring, obtains poly- ammonia
Ester graft；
3) graphene powder of formula ratio is weighed, grinds and graphene powder is stirred in screening and is added to epoxy by use dressing sieve
In resin, make the 90~120ppm of concentration of graphene in the epoxy, be uniformly mixed, propylene then is added to epoxy resin
Nitrile continuess to mix uniformly, obtains modified epoxy；
4) the PPO resin of above-mentioned molten condition, polyurethane grafting substrate, modified epoxy, coupling agent, antioxidant and light are stablized
Agent is sufficiently mixed uniformly, and mixed material is then put into pelletizer and the melt pelletization at 270~290 DEG C, obtains granulating
Plastics.
8. a kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 7, feature
Be: the weight ratio that the initiator in PPO resin and the initiator being added on polyurethane resin is added is 2:1~1.5；It is described
The viscosity of PPO resin is 0.2~0.6dL/g；The counterpoise molecular weight of the modified epoxy is 15000~50000.
9. a kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 7, feature
It is: the graphene powder is ground using spherical surface.
10. a kind of preparation method of corrosion-resistant weather-resistance flame-retardant PPO elastic composite according to claim 7, special
Sign is: in the polyurethane grafting substrate, the grafting rate of maleic anhydride is 1.5~3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078272.6A CN109880343A (en) | 2019-01-28 | 2019-01-28 | A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078272.6A CN109880343A (en) | 2019-01-28 | 2019-01-28 | A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109880343A true CN109880343A (en) | 2019-06-14 |
Family
ID=66927044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078272.6A Pending CN109880343A (en) | 2019-01-28 | 2019-01-28 | A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109880343A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004018767A (en) * | 2002-06-19 | 2004-01-22 | Teijin Chem Ltd | Flame-retardant resin composition and molding prepared therefrom |
| CN102585479A (en) * | 2011-12-26 | 2012-07-18 | 金发科技股份有限公司 | Wear-resistant halogen-free flame-retardant elastomer complex and preparation method thereof |
| CN107880530A (en) * | 2017-12-25 | 2018-04-06 | 广东生益科技股份有限公司 | Halogen-free resin composition and cover layer and preparation method thereof |
-
2019
- 2019-01-28 CN CN201910078272.6A patent/CN109880343A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004018767A (en) * | 2002-06-19 | 2004-01-22 | Teijin Chem Ltd | Flame-retardant resin composition and molding prepared therefrom |
| CN102585479A (en) * | 2011-12-26 | 2012-07-18 | 金发科技股份有限公司 | Wear-resistant halogen-free flame-retardant elastomer complex and preparation method thereof |
| CN107880530A (en) * | 2017-12-25 | 2018-04-06 | 广东生益科技股份有限公司 | Halogen-free resin composition and cover layer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102746606B (en) | Hollow glass bead filling-modified acrylonitrile-butadiene-styrene (ABS) material and preparation method thereof | |
| CN111019580B (en) | Epoxy resin adhesive and preparation method and application thereof | |
| CN108300389B (en) | A kind of epoxy adhesive composition and preparation method thereof and application | |
| CN101698734B (en) | Method for preparing shock-resistant hard PVC material through coordination crosslinking | |
| CN102559120A (en) | Temperature-resistant, corrosion-resistant and high-adhesion adhesive and preparation method thereof | |
| CN104388029A (en) | Normal-temperature-curing epoxy resin flexible pouring sealant | |
| JP2016501922A (en) | Toughened curable epoxy compositions for high temperature applications | |
| CN110885654B (en) | Repairable single-component epoxy structural adhesive and preparation method and application thereof | |
| CN104449508A (en) | Flexible epoxy structural adhesive and preparation method thereof | |
| CN101220194A (en) | Production method for environment-protection flame-proof ABS system master batch | |
| WO2017179653A1 (en) | Toughened epoxy resin composition | |
| CN105837797A (en) | A water-based epoxy resin curing agent | |
| CN105566892A (en) | Modified carbon fiber/polyurethane composite material and preparation method thereof | |
| CN104072978B (en) | A kind of polyurethane seal rubber | |
| CN114133901A (en) | Epoxy adhesive | |
| CN101058621A (en) | Method of preparing ACS polymer based on continuous noumenon method | |
| CN104927310A (en) | Epoxy resin composition and epoxy resin material obtained by curing | |
| CN109880343A (en) | A kind of corrosion-resistant weather-resistance flame-retardant PPO elastic composite and preparation method thereof | |
| CN103113658A (en) | Plastic powder or particle toughener and processing method thereof | |
| CN109943055A (en) | Low creep flame-proof glass fibre enhancing PPO/LCP composite alloy material of a kind of high-temperature resistant high rigidity and preparation method thereof | |
| WO2022138807A1 (en) | Curable resin composition and adhesive agent | |
| CN104725823A (en) | Low-temperature-resistant flame-retardant PC (polycarbonate) composite material and preparation method thereof | |
| CN108264880A (en) | The preparation method of activeness and quietness silicane-modified polyurethane fluid sealant | |
| CN116162432A (en) | Two-component modified silane adhesive and application thereof | |
| CN110982464A (en) | Toughening epoxy adhesive capable of being reprocessed and recycled and curing 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 |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |