CN109096718A - A kind of vacuum bag method preparation method of ship unsaturated polyester composite - Google Patents
A kind of vacuum bag method preparation method of ship unsaturated polyester composite Download PDFInfo
- Publication number
- CN109096718A CN109096718A CN201810685529.XA CN201810685529A CN109096718A CN 109096718 A CN109096718 A CN 109096718A CN 201810685529 A CN201810685529 A CN 201810685529A CN 109096718 A CN109096718 A CN 109096718A
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- Prior art keywords
- unsaturated polyester
- vacuum
- ship
- graphene
- preparation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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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)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention discloses a kind of vacuum bag method preparation methods of ship unsaturated polyester composite, are related to technical field of high-molecule composite preparation.Preparation method includes: that graphene is added into tetrahydrofuran solution, and solvent is removed after being ultrasonically treated and obtains pretreated graphene；Additive and curing agent are added into unsaturated polyester (UP) substrate and is uniformly mixed；Obtained mixture is added after mold and is covered with nylon membrane, is formed by bag body with adhesive seal item and by mold integral coating in nylon membrane after covering；Vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum degree and is lower than an atmospheric pressure, is taken out from vacuum bag after ambient temperature curing to gel hardening state, is placed at room temperature until curing completely.The present invention is by using single-layer graphene as additive, while the unsaturated polyester composite that preparation method is prepared through the invention has high intensity, high rigidity, stretch modulus and low surface resistivity.
Description
Technical field
The invention belongs to technical field of high-molecule composite preparation, compound more particularly to a kind of ship unsaturated polyester (UP)
The vacuum bag method preparation method of material.
Background technique
Unsaturated polyester (UP) be usually by unsaturated dibasic acid dihydric alcohol or monounsaturated dicarboxylic acid unsaturation dihydric alcohol polycondensation and
At the chain macromolecule compound with ester bond and unsaturated double-bond.
Unsaturated polyester (UP) every field such as extensive use building, shipbuilding, pipe fitting, furniture；For being used for ship system
The unsaturated polyester composite made, we also have high-strength while requiring it with corrosion-resistant, wear-resistant, low-friction coefficient
Degree, high rigidity, high stretch modulus and lower surface resistivity；But unsaturation prepared by existing technique and formula is poly-
Ester composite material is difficult to meet above-mentioned composite property requirement, therefore unsaturated polyester (UP) needed for developing shipbuilding is multiple
Condensation material is problem solved by the invention.
Summary of the invention
The purpose of the present invention is to provide a kind of vacuum bag method preparation methods of ship unsaturated polyester composite, pass through
Using single-layer graphene as additive, while the unsaturated polyester composite that preparation method is prepared through the invention has
Tensile strength >=70MPa, Rockwell hardness >=110, stretch modulus >=3.5GPa, surface resistivity >=4 × 1013Ω。
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of vacuum bag method preparation method of ship unsaturated polyester composite, is included the following steps:
Step 1, graphene pretreatment: graphene is added into tetrahydrofuran solution, is ultrasonically treated and removes after forty minutes
Solvent obtains additive；
Step 2, raw material mixing: by weight percentage into unsaturated polyester (UP) substrate be added 1-2% pretreated graphene and
The curing agent of 1-2% is simultaneously uniformly mixed；
Step 3, injection molding: the mixture that step 2 obtains is added after mold and is covered with nylon membrane, adhesive seal is used after covering
Item and mold integral coating is formed by bag body in nylon membrane；
Step 4, curing molding: vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum
Degree is lower than an atmospheric pressure, takes out from vacuum bag after ambient temperature curing 40 minutes to gel hardening state, places 5 at room temperature
To 10 days until curing completely.
Further, the graphene selects single-layer graphene；In single-layer graphene, each carbon atom contributes one
The electronics of a non-bonding, the tapered distribution of electronics, these electronics can move freely in crystal, and it is extraordinary to assign graphene
Electric conductivity.
Further, the curing agent is cyclohexanone peroxide, methyl ethyl ketone peroxide, any in benzoyl peroxide
Kind.
Further, the unsaturated polyester (UP) substrate selects the material based on m-phthalate unsaturated polyester resin to prepare.
Further, the unsaturated polyester (UP) substrate further includes component peroxide initiator and promotor.
Further, the unsaturated polyester composite tensile strength >=70MPa, Rockwell hardness >=110, stretch modulus >=
3.5GPa, surface resistivity >=4 × 1013Ω。
The invention has the following advantages:
1, the present invention is by using single-layer graphene as additive, while the unsaturation that preparation method is prepared through the invention
Polyester composite has tensile strength >=70MPa, Rockwell hardness >=110, stretch modulus >=3.5GPa, surface resistivity >=4
×1013Ω。
2, of the invention preparation method is simple, by preparing after handling single-layer graphene, improves
The electrodynamic performance of Graphene oxide/polyester elastomer composite material, to obtain excellent mechanical performances and satisfactory electrical conductivity
Polyester elastomer materials.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of vacuum bag method preparation method of ship unsaturated polyester composite, includes the following steps:
Step 1, additive preparation: graphene is added into tetrahydrofuran solution, be ultrasonically treated remove after forty minutes it is molten
Agent obtains additive；
Step 2, raw material mixing: 1% additive and 2% curing agent is added into unsaturated polyester (UP) substrate by weight percentage
And it is uniformly mixed；
Step 3, injection molding: the mixture that step 2 obtains is added after mold and is covered with nylon membrane, adhesive seal is used after covering
Item and mold integral coating is formed by bag body in nylon membrane；
Step 4, curing molding: vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum
Degree is lower than an atmospheric pressure, takes out from vacuum bag after ambient temperature curing 40 minutes to gel hardening state, places 7 at room temperature
It.
Preferably, graphene selects single-layer graphene；In single-layer graphene, each carbon atom contribute one not at
The electronics of key, the tapered distribution of electronics, these electronics can move freely in crystal, assign the extraordinary conduction of graphene
Property.
Preferably, curing agent is cyclohexanone peroxide.
Preferably, unsaturated polyester (UP) substrate selects the material based on m-phthalate unsaturated polyester resin to prepare.
Preferably, unsaturated polyester (UP) substrate further includes component peroxide initiator and promotor.
Preferably, which is 75MPa, Rockwell hardness 125, stretch modulus are
3.85GPa, surface resistivity are 7.1 × 1013Ω。
Embodiment 2
A kind of vacuum bag method preparation method of ship unsaturated polyester composite, includes the following steps:
Step 1, additive preparation: graphene is added into tetrahydrofuran solution, be ultrasonically treated remove after forty minutes it is molten
Agent obtains additive；
Step 2, raw material mixing: 2% additive and 1% curing agent is added into unsaturated polyester (UP) substrate by weight percentage
And it is uniformly mixed；
Step 3, injection molding: the mixture that step 2 obtains is added after mold and is covered with nylon membrane, adhesive seal is used after covering
Item and mold integral coating is formed by bag body in nylon membrane；
Step 4, curing molding: vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum
Degree is lower than an atmospheric pressure, takes out from vacuum bag after ambient temperature curing 40 minutes to gel hardening state, places at room temperature
10 days until curing completely.
Preferably, graphene selects single-layer graphene；In single-layer graphene, each carbon atom contribute one not at
The electronics of key, the tapered distribution of electronics, these electronics can move freely in crystal, assign the extraordinary conduction of graphene
Property.
Preferably, curing agent was methyl ethyl ketone peroxide.
Preferably, unsaturated polyester (UP) substrate selects the material based on m-phthalate unsaturated polyester resin to prepare.
Preferably, unsaturated polyester (UP) substrate further includes component peroxide initiator and promotor.
Preferably, which is 75MPa, Rockwell hardness 117, stretch modulus are
3.7GPa, surface resistivity are 4.9 × 1013Ω。
Embodiment 3
A kind of vacuum bag method preparation method of ship unsaturated polyester composite, includes the following steps:
Step 1, additive preparation: graphene is added into tetrahydrofuran solution, be ultrasonically treated remove after forty minutes it is molten
Agent obtains additive；
Step 2, raw material mixing: 1.5% additive and 1.5% is added into unsaturated polyester (UP) substrate by weight percentage and consolidates
Agent is simultaneously uniformly mixed；
Step 3, injection molding: the mixture that step 2 obtains is added after mold and is covered with nylon membrane, adhesive seal is used after covering
Item and mold integral coating is formed by bag body in nylon membrane；
Step 4, curing molding: vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum
Degree is lower than an atmospheric pressure, takes out from vacuum bag after ambient temperature curing 40 minutes to gel hardening state, places 5 at room temperature
It is until curing completely.
Preferably, graphene selects single-layer graphene；In single-layer graphene, each carbon atom contribute one not at
The electronics of key, the tapered distribution of electronics, these electronics can move freely in crystal, assign the extraordinary conduction of graphene
Property.
Preferably, curing agent is benzoyl peroxide.
Preferably, unsaturated polyester (UP) substrate selects the material based on m-phthalate unsaturated polyester resin to prepare.
Preferably, unsaturated polyester (UP) substrate further includes component peroxide initiator and promotor.
Preferably, which is 74MPa, Rockwell hardness 120, stretch modulus are
4.2GPa, surface resistivity are 4.2 × 1013Ω。
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of vacuum bag method preparation method of ship unsaturated polyester composite, characterized by the following steps:
Step 1, graphene pretreatment: graphene is added into tetrahydrofuran solution, is ultrasonically treated and removes after forty minutes
Solvent obtains additive；
Step 2, raw material mixing: by weight percentage into unsaturated polyester (UP) substrate be added 1-2% pretreated graphene and
The curing agent of 1-2% is simultaneously uniformly mixed；
Step 3, injection molding: the mixture that step 2 obtains is added after mold and is covered with nylon membrane, adhesive seal is used after covering
Item and mold integral coating is formed by bag body in nylon membrane；
Step 4, curing molding: vacuum pump is connect with the vacuum nozzle reserved in bag body, and air in bag body is drawn to vacuum
Degree is lower than an atmospheric pressure, takes out from vacuum bag after ambient temperature curing 40 minutes to gel hardening state, places 5 at room temperature
To 10 days until curing completely.
2. a kind of vacuum bag method preparation method of ship unsaturated polyester composite according to claim 1, feature
It is, the graphene selects single-layer graphene.
3. a kind of vacuum bag method preparation method of ship unsaturated polyester composite according to claim 1, feature
It is, the curing agent is any one of cyclohexanone peroxide, methyl ethyl ketone peroxide, benzoyl peroxide.
4. a kind of vacuum bag method preparation method of ship unsaturated polyester composite according to claim 1, feature
It is, the unsaturated polyester (UP) substrate selects the material based on m-phthalate unsaturated polyester resin to prepare.
5. a kind of vacuum bag method preparation method of ship unsaturated polyester composite according to claim 1, feature
It is, the unsaturated polyester (UP) substrate further includes component peroxide initiator and promotor.
6. the ship unsaturated polyester composite vacuum of the preparation of method described in -5 any claims according to claim 1
Bag, which is characterized in that unsaturated polyester composite tensile strength >=70MPa of the vacuum bag, Rockwell hardness >=110, stretch
Modulus >=3.5GPa, surface resistivity >=4 × 1013Ω。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685529.XA CN109096718A (en) | 2018-06-28 | 2018-06-28 | A kind of vacuum bag method preparation method of ship unsaturated polyester composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685529.XA CN109096718A (en) | 2018-06-28 | 2018-06-28 | A kind of vacuum bag method preparation method of ship unsaturated polyester composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109096718A true CN109096718A (en) | 2018-12-28 |
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ID=64845248
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810685529.XA Pending CN109096718A (en) | 2018-06-28 | 2018-06-28 | A kind of vacuum bag method preparation method of ship unsaturated polyester composite |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500039A (en) * | 2020-04-09 | 2020-08-07 | 宁国中奕橡塑有限公司 | Thermosetting composite material with high gloss and excellent electrical property and preparation method thereof |
| CN112778729A (en) * | 2020-12-30 | 2021-05-11 | 西北大学 | Preparation method of graphene reinforced SMC composite material |
Citations (4)
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| CN101245192A (en) * | 2007-02-15 | 2008-08-20 | 中国船舶重工集团公司第七二五研究所 | Method for producing basalt fibre reinforcing composite material and application in producing boat hull |
| CN101993060A (en) * | 2009-08-19 | 2011-03-30 | 中国科学院金属研究所 | Method for massively preparing graphene with excellent electrical conductivity and thermal stability |
| CN104151833A (en) * | 2013-10-29 | 2014-11-19 | 泰山医学院 | Preparation method of graphene/silicon rubber pressure-sensitive conductive composite |
| WO2017136651A1 (en) * | 2016-02-04 | 2017-08-10 | Continental Structural Plastics, Inc. | Molding compositions with functionalized graphene oxide |
-
2018
- 2018-06-28 CN CN201810685529.XA patent/CN109096718A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245192A (en) * | 2007-02-15 | 2008-08-20 | 中国船舶重工集团公司第七二五研究所 | Method for producing basalt fibre reinforcing composite material and application in producing boat hull |
| CN101993060A (en) * | 2009-08-19 | 2011-03-30 | 中国科学院金属研究所 | Method for massively preparing graphene with excellent electrical conductivity and thermal stability |
| CN104151833A (en) * | 2013-10-29 | 2014-11-19 | 泰山医学院 | Preparation method of graphene/silicon rubber pressure-sensitive conductive composite |
| WO2017136651A1 (en) * | 2016-02-04 | 2017-08-10 | Continental Structural Plastics, Inc. | Molding compositions with functionalized graphene oxide |
Non-Patent Citations (2)
| Title |
|---|
| 孙晋良: "《纤维新材料》", 31 August 2007 * |
| 雷圆: "氧化石墨烯/不饱和聚酯复合材料的制备与性能研究", 《万方数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500039A (en) * | 2020-04-09 | 2020-08-07 | 宁国中奕橡塑有限公司 | Thermosetting composite material with high gloss and excellent electrical property and preparation method thereof |
| CN112778729A (en) * | 2020-12-30 | 2021-05-11 | 西北大学 | Preparation method of graphene reinforced SMC composite material |
| CN112778729B (en) * | 2020-12-30 | 2021-09-28 | 西北大学 | Preparation method of graphene reinforced SMC composite material |
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Application publication date: 20181228 |