CN110240752A - A kind of forming method of polypropylene self-reinforced composite material and suitcase - Google Patents
A kind of forming method of polypropylene self-reinforced composite material and suitcase Download PDFInfo
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- CN110240752A CN110240752A CN201910564605.6A CN201910564605A CN110240752A CN 110240752 A CN110240752 A CN 110240752A CN 201910564605 A CN201910564605 A CN 201910564605A CN 110240752 A CN110240752 A CN 110240752A
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- polypropylene
- composite material
- reinforced composite
- stearate
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
- A45C5/045—Travelling baskets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses a kind of polypropylene self-reinforced composite materials, it includes each raw material of following weight parts: diethylenetriamine 2-3, polypropylene 180-200, graphene oxide 10-14, carbon fiber 3.5-4, sodium acrylate 10-15, initiator 0.3-0.4, stearate 1-2, trisnonyl phenyl phosphite 2-4, microcrystalline wax 3-5, lauryl dimethyl amine oxide 0.3-0.7, epoxy prapanol 1-4, the present invention is by introducing modified graphene oxide, effectively raise the mechanical strength and toughness of polypropylene matrix, and the mechanical property of basis material is then further improved by the carbon fiber etc. that intercalation introduces, the material is prepared into suitcase, the mechanical strength of suitcase then can be improved, reduce breakage rate.
Description
Technical field
The invention belongs to casing fields, and in particular to the molding side of a kind of polypropylene self-reinforced composite material and suitcase
Method.
Background technique
Polypropylene (PP) belongs to thermoplastic resin, is one of five big resins for universal use, and appearance is white pellet, tasteless, nontoxic,
Since crystal structure is regular, has the advantages that easy processing, impact strength, flex stiffiness and electrical insulating property are good, in automobile work
Industry, household electrical appliance, electronics, packaging and building materials furniture etc. have a wide range of applications；
Presently used travelling box material is largely ABS resin, and outer cover intensity is high, not by water, inorganic salts, alkali and a variety of acid
Influence, not cracky, however its surface hardness is high, poor toughness, and ABS material is at high cost；
Therefore, the object of the invention is in order to provide a kind of lower-cost suitcase, taken polypropylene as the base material, preparation is strong
Degree, the higher basis material of toughness.
Summary of the invention
The object of the present invention is to provide a kind of polypropylene self-reinforced composite material and the forming methods of suitcase.
To achieve the above object, the invention adopts the following technical scheme:
A kind of polypropylene self-reinforced composite material, it includes each raw material of following weight parts:
Diethylenetriamine 2-3, polypropylene 180-200, graphene oxide 10-14, carbon fiber 3.5-4, sodium acrylate 10-15, draw
Send out agent 0.3-0.4, stearate 1-2, trisnonyl phenyl phosphite 2-4, microcrystalline wax 3-5, lauryl dimethyl amine oxide
0.3-0.7, epoxy prapanol 1-4.
The stearate is one of zinc stearate, barium stearate, calcium stearate.
The initiator is cumyl peroxide.
The preparation method of the polypropylene self-reinforced composite material, comprising the following steps:
(1) initiator is taken, is added in the isopropanol of 10-17 times of its weight, stirs evenly, obtain initiator solution；
(2) carbon fiber, sodium acrylate mixing are taken, is added in the acetone of 8-11 times of mixture weight, stirs evenly, be sent to
In 45-50 DEG C of water bath with thermostatic control, epoxy prapanol is added, insulated and stirred 2-3 hours, discharging was sent in reaction kettle, was added above-mentioned
Initiator solution is passed through nitrogen, and adjusting temperature of reaction kettle is 60-65 DEG C, addition graphene oxide, and insulated and stirred 3-4 hours, out
Lauryl dimethyl amine oxide is added in material, 10-20 minutes ultrasonic, filters, filter cake is washed, be dried in vacuo, obtain modified oxidized stone
Black alkene；
(3) microcrystalline wax is taken, is added in the dimethylformamide of 11-17 times of its weight, stirs evenly, divinyl three is added
Amine, insulated and stirred 30-40 minutes at 50-55 DEG C, vacuum distillation removes dimethylformamide, obtains pretreatment paraffin；
(4) above-mentioned modified graphene oxide, pretreatment paraffin mixing are taken, is stirred evenly, increasing temperature is 150-160 DEG C, is added
Polypropylene insulated and stirred 2-3 hours, is added stearate, trisnonyl phenyl phosphite, stirs evenly, be sent in extruder
It squeezes out to get the polypropylene self-reinforced composite material.
Step (2) vacuum drying temperature be 130-140 DEG C, drying time be 90-100 minutes.
A kind of forming method of suitcase is using polypropylene self-reinforced composite material described in claim 1-5 as raw material
It is made.
A kind of forming method of suitcase, comprising the following steps:
(1) by polypropylene self-reinforced composite material by pressed film equipment produce plastic plate, by plastic plate be clamped in vacuum at
On the frame of type machine, after heating and softening, by the air duct on mould side, the first set of vacuum forming machine is adsorbed in vacuum
It is cooling on mold, obtain the shell base of plastics sucking moulding；
(2) the shell base in step 1) is put into the second mold of vacuum forming machine, crosses glue, then, composite artificial leather is added,
Box shell is made in plastics sucking moulding；
(3) box shell in step 2 is subjected to the processing of brush side, then, the punching in box shell；
(4) the curved frame of aluminium alloy extrusions is handled by luggage aluminium frame bending machine, after punching goes to both ends, is riveted into aluminium frame；
(5) punching on aluminium frame then carries out coating, then, installs attachment；
(6) box shell after the aluminium frame for installing attachment and punching is assembled, forms case base；
(7) heel brace, castor and pull rod are installed on case base, then, cut liner fabric, case base inner wall applies glue, and pastes
Liner fabric rivets contents；
(8) installs case lock, handle and hinge are packed and stored after luggage is carried out exfactory inspection.
Advantages of the present invention:
The present invention using sodium acrylate as monomer, is blended first with carbon fiber, and by epoxy prapanol modification, oxidation is then added
Dispersion is blended in graphene, polymerize under initiator effect, then acts on lower realize to the effective of graphene oxide by dispersing agent
Intercalation modifying is blended with the graphene oxide after intercalation modifying, is promoted by high temperature later with diethylenetriamine modification of microcrystalline paraffin
Into epoxy addition, paraffin is not only increased to the bond strength of graphene oxide, and paraffin has good adhesion strength, thus
The stability in intercalation site can be improved, but also the surface-active of graphene oxide can be improved, the present invention is changed by introducing
Property graphene oxide, effectively raise the mechanical strength and toughness of polypropylene matrix, and pass through the carbon fiber that intercalation introduces
Deng the mechanical property for then further improving basis material, which is prepared into suitcase, then suitcase can be improved
Mechanical strength, improve compression strength, reduce breakage rate, deformation rate.
Specific embodiment
Embodiment 1
A kind of polypropylene self-reinforced composite material, it includes each raw material of following weight parts:
Diethylenetriamine 2, polypropylene 180, graphene oxide 14, carbon fiber 3.5, sodium acrylate 10, initiator 0.3, stearic acid
Salt 1, trisnonyl phenyl phosphite 2, microcrystalline wax 3, lauryl dimethyl amine oxide 0.3, epoxy prapanol 1.
The stearate is zinc stearate.
The initiator is cumyl peroxide.
The preparation method of the polypropylene self-reinforced composite material, comprising the following steps:
(1) initiator is taken, is added in the isopropanol of 10 times of its weight, is stirred evenly, obtain initiator solution；
(2) carbon fiber, sodium acrylate mixing are taken, is added in 8 times of mixture weight of acetone, stirs evenly, be sent to 45 DEG C
Water bath with thermostatic control in, be added epoxy prapanol, insulated and stirred 2 hours, discharging, be sent in reaction kettle, it is molten that above-mentioned initiator be added
Liquid is passed through nitrogen, and adjusting temperature of reaction kettle is 60 DEG C, graphene oxide is added, insulated and stirred 3 hours, lauryl was added in discharging
Dimethyl amine, ultrasound 10 minutes filter, filter cake are washed, and are dried in vacuo, obtain modified graphene oxide；
(3) microcrystalline wax is taken, is added in the dimethylformamide of 11 times of its weight, stirs evenly, diethylenetriamine is added,
Insulated and stirred 30 minutes at 50 DEG C, vacuum distillation remove dimethylformamide, obtain pretreatment paraffin；
(4) above-mentioned modified graphene oxide, pretreatment paraffin mixing are taken, is stirred evenly, increasing temperature is 150 DEG C, is added poly- third
Alkene insulated and stirred 2 hours, is added stearate, trisnonyl phenyl phosphite, stirs evenly, be sent in extruder and squeeze out, i.e.,
Obtain the polypropylene self-reinforced composite material.
Step (2) vacuum drying temperature be 130 DEG C, drying time be 90 minutes.
A kind of forming method of suitcase is made of using the polypropylene self-reinforced composite material as raw material.
A kind of forming method of suitcase, comprising the following steps:
(1) by polypropylene self-reinforced composite material by pressed film equipment produce plastic plate, by plastic plate be clamped in vacuum at
On the frame of type machine, after heating and softening, by the air duct on mould side, the first set of vacuum forming machine is adsorbed in vacuum
It is cooling on mold, obtain the shell base of plastics sucking moulding；
(2) the shell base in step 1) is put into the second mold of vacuum forming machine, crosses glue, then, composite artificial leather is added,
Box shell is made in plastics sucking moulding；
(3) box shell in step 2 is subjected to the processing of brush side, then, the punching in box shell；
(4) the curved frame of aluminium alloy extrusions is handled by luggage aluminium frame bending machine, after punching goes to both ends, is riveted into aluminium frame；
(5) punching on aluminium frame then carries out coating, then, installs attachment；
(6) box shell after the aluminium frame for installing attachment and punching is assembled, forms case base；
(7) heel brace, castor and pull rod are installed on case base, then, cut liner fabric, case base inner wall applies glue, and pastes
Liner fabric rivets contents；
(8) installs case lock, handle and hinge are packed and stored after luggage is carried out exfactory inspection.
Embodiment 2
A kind of polypropylene self-reinforced composite material, it includes each raw material of following weight parts:
Diethylenetriamine 3, polypropylene 200, graphene oxide 14, carbon fiber 4, sodium acrylate 15, initiator 0.4, stearate
2, three nonyl benzene -4 of phosphorous acid, microcrystalline wax 5, lauryl dimethyl amine oxide 0.7, epoxy prapanol 1-4.
The stearate is calcium stearate.
The initiator is cumyl peroxide.
The preparation method of the polypropylene self-reinforced composite material, comprising the following steps:
(1) initiator is taken, is added in the isopropanol of 17 times of its weight, is stirred evenly, obtain initiator solution；
(2) carbon fiber, sodium acrylate mixing are taken, is added in 11 times of mixture weight of acetone, stirs evenly, be sent to 50 DEG C
Water bath with thermostatic control in, be added epoxy prapanol, insulated and stirred 2-3 hour, discharge, be sent in reaction kettle, above-mentioned initiator be added
Solution is passed through nitrogen, and adjusting temperature of reaction kettle is 65 DEG C, graphene oxide is added, insulated and stirred 4 hours, laurel was added in discharging
Base dimethyl amine, ultrasound 20 minutes filter, filter cake are washed, and are dried in vacuo, obtain modified graphene oxide；
(3) microcrystalline wax is taken, is added in the dimethylformamide of 17 times of its weight, stirs evenly, diethylenetriamine is added,
Insulated and stirred 40 minutes at 55 DEG C, vacuum distillation remove dimethylformamide, obtain pretreatment paraffin；
(4) above-mentioned modified graphene oxide, pretreatment paraffin mixing are taken, is stirred evenly, increasing temperature is 160 DEG C, is added poly- third
Alkene insulated and stirred 3 hours, is added stearate, trisnonyl phenyl phosphite, stirs evenly, be sent in extruder and squeeze out, i.e.,
Obtain the polypropylene self-reinforced composite material.
Step (2) vacuum drying temperature be 140 DEG C, drying time be 100 minutes.
A kind of forming method of suitcase, comprising the following steps:
(1) by polypropylene self-reinforced composite material by pressed film equipment produce plastic plate, by plastic plate be clamped in vacuum at
On the frame of type machine, after heating and softening, by the air duct on mould side, the first set of vacuum forming machine is adsorbed in vacuum
It is cooling on mold, obtain the shell base of plastics sucking moulding；
(2) the shell base in step 1) is put into the second mold of vacuum forming machine, crosses glue, then, composite artificial leather is added,
Box shell is made in plastics sucking moulding；
(3) box shell in step 2 is subjected to the processing of brush side, then, the punching in box shell；
(4) the curved frame of aluminium alloy extrusions is handled by luggage aluminium frame bending machine, after punching goes to both ends, is riveted into aluminium frame；
(5) punching on aluminium frame then carries out coating, then, installs attachment；
(6) box shell after the aluminium frame for installing attachment and punching is assembled, forms case base；
(7) heel brace, castor and pull rod are installed on case base, then, cut liner fabric, case base inner wall applies glue, and pastes
Liner fabric rivets contents；
(8) installs case lock, handle and hinge are packed and stored after luggage is carried out exfactory inspection.
Performance test:
The polypropylene self-reinforced composite material of embodiment 1:
Hardness (Shao A) is 88, tensile strength 44.1MPa, elongation at break 417%, notch impact strength (kJ/m2) it is 13；
The polypropylene self-reinforced composite material of embodiment 2:
Hardness (Shao A) is 90, tensile strength 49.7MPa, elongation at break 411%, notch impact strength (kJ/m2) it is 14；
Conventional polypropylene:
Hardness (Shao A) is 70-74, tensile strength 18-21MPa, elongation at break 270-303%, notch impact strength (kJ/
m2) it is 9-10.
Claims (7)
1. a kind of polypropylene self-reinforced composite material, which is characterized in that it includes each raw material of following weight parts:
Diethylenetriamine 2-3, polypropylene 180-200, graphene oxide 10-14, carbon fiber 3.5-4, sodium acrylate 10-15, draw
Send out agent 0.3-0.4, stearate 1-2, trisnonyl phenyl phosphite 2-4, microcrystalline wax 3-5, lauryl dimethyl amine oxide
0.3-0.7, epoxy prapanol 1-4.
2. a kind of polypropylene self-reinforced composite material according to claim 1, which is characterized in that the stearate is
One of zinc stearate, barium stearate, calcium stearate.
3. a kind of polypropylene self-reinforced composite material according to claim 1, which is characterized in that the initiator was
Aoxidize diisopropylbenzene (DIPB).
4. a kind of polypropylene self-reinforced composite material according to claim 1, which is characterized in that the polypropylene self-reinforcing
The preparation method of composite material, comprising the following steps:
(1) initiator is taken, is added in the isopropanol of 10-17 times of its weight, stirs evenly, obtain initiator solution；
(2) carbon fiber, sodium acrylate mixing are taken, is added in the acetone of 8-11 times of mixture weight, stirs evenly, be sent to
In 45-50 DEG C of water bath with thermostatic control, epoxy prapanol is added, insulated and stirred 2-3 hours, discharging was sent in reaction kettle, was added above-mentioned
Initiator solution is passed through nitrogen, and adjusting temperature of reaction kettle is 60-65 DEG C, addition graphene oxide, and insulated and stirred 3-4 hours, out
Lauryl dimethyl amine oxide is added in material, 10-20 minutes ultrasonic, filters, filter cake is washed, be dried in vacuo, obtain modified oxidized stone
Black alkene；
(3) microcrystalline wax is taken, is added in the dimethylformamide of 11-17 times of its weight, stirs evenly, divinyl three is added
Amine, insulated and stirred 30-40 minutes at 50-55 DEG C, vacuum distillation removes dimethylformamide, obtains pretreatment paraffin；
(4) above-mentioned modified graphene oxide, pretreatment paraffin mixing are taken, is stirred evenly, increasing temperature is 150-160 DEG C, is added
Polypropylene insulated and stirred 2-3 hours, is added stearate, trisnonyl phenyl phosphite, stirs evenly, be sent in extruder
It squeezes out to get the polypropylene self-reinforced composite material.
5. a kind of polypropylene self-reinforced composite material according to claim 4, which is characterized in that step (2) vacuum
Drying temperature is 130-140 DEG C, and drying time is 90-100 minutes.
6. a kind of forming method of suitcase, which is characterized in that it is with polypropylene self-reinforcing composite wood described in claim 1-5
Material is made of raw material.
7. a kind of forming method of suitcase as claimed in claim 6, which comprises the following steps:
(1) by polypropylene self-reinforced composite material by pressed film equipment produce plastic plate, by plastic plate be clamped in vacuum at
On the frame of type machine, after heating and softening, by the air duct on mould side, the first set of vacuum forming machine is adsorbed in vacuum
It is cooling on mold, obtain the shell base of plastics sucking moulding；
(2) the shell base in step 1) is put into the second mold of vacuum forming machine, crosses glue, then, composite artificial leather is added,
Box shell is made in plastics sucking moulding；
(3) box shell in step 2 is subjected to the processing of brush side, then, the punching in box shell；
(4) the curved frame of aluminium alloy extrusions is handled by luggage aluminium frame bending machine, after punching goes to both ends, is riveted into aluminium frame；
(5) punching on aluminium frame then carries out coating, then, installs attachment；
(6) box shell after the aluminium frame for installing attachment and punching is assembled, forms case base；
(7) heel brace, castor and pull rod are installed on case base, then, cut liner fabric, case base inner wall applies glue, and pastes
Liner fabric rivets contents；
(8) installs case lock, handle and hinge are packed and stored after luggage is carried out exfactory inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564605.6A CN110240752A (en) | 2019-06-27 | 2019-06-27 | A kind of forming method of polypropylene self-reinforced composite material and suitcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564605.6A CN110240752A (en) | 2019-06-27 | 2019-06-27 | A kind of forming method of polypropylene self-reinforced composite material and suitcase |
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| Publication Number | Publication Date |
|---|---|
| CN110240752A true CN110240752A (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910564605.6A Pending CN110240752A (en) | 2019-06-27 | 2019-06-27 | A kind of forming method of polypropylene self-reinforced composite material and suitcase |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237322A (en) * | 2020-10-16 | 2021-01-19 | 张家港市海易五金工具有限公司 | Waterproof and breathable draw-bar bag and preparation method thereof |
| GB2592855A (en) * | 2019-10-06 | 2021-09-15 | 2Dtronics Ltd | Two-dimensional materials-based recycled polymer composite materials and method of preparation |
| WO2023082840A1 (en) * | 2021-11-10 | 2023-05-19 | Paua Trading Limited | Transportable case |
-
2019
- 2019-06-27 CN CN201910564605.6A patent/CN110240752A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2592855A (en) * | 2019-10-06 | 2021-09-15 | 2Dtronics Ltd | Two-dimensional materials-based recycled polymer composite materials and method of preparation |
| CN112237322A (en) * | 2020-10-16 | 2021-01-19 | 张家港市海易五金工具有限公司 | Waterproof and breathable draw-bar bag and preparation method thereof |
| WO2023082840A1 (en) * | 2021-11-10 | 2023-05-19 | Paua Trading Limited | Transportable case |
| WO2023082082A1 (en) * | 2021-11-10 | 2023-05-19 | Paua Trading Limited | Transportable case |
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Application publication date: 20190917 |