CN109367049A - A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process - Google Patents
A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process Download PDFInfo
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- CN109367049A CN109367049A CN201811246400.5A CN201811246400A CN109367049A CN 109367049 A CN109367049 A CN 109367049A CN 201811246400 A CN201811246400 A CN 201811246400A CN 109367049 A CN109367049 A CN 109367049A
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- glass
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- composite material
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Classifications
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- 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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process, use mass fraction for 100:(5~10): (25~35): (20~40): (70~100): epoxy resin 618, diluent 660A, 593 curing agent, polysulfide rubber, silica flour and the KH-550 of (2~4) prepare fiber glass epoxy sizing material；One layer of fiber glass epoxy sizing material brushed after paste face carries out polishing roughening treatment to glass cloth, repeats the glass cloth that paving several layers are painted with fiber glass epoxy sizing material, under the conditions of temperature is not less than 15 DEG C spontaneous curing for 24 hours, until glass reinforced plastic is completely dried.Environment-friendly epoxy glass fiber reinforced plastics composite material provided by the invention, has excellent performance, and viscosity is appropriate, can prepare at normal temperature, and curing time is suitable, and when solidification does not generate low molecule, and on the basis of Improving The Quality of Products, constructing operation is relatively simple.
Description
Technical field
The present invention relates to a kind of glass reinforced plastics to paste formula and its construction method.
Background technique
In the production process of shelter, since welding, riveting, bonding can generate defect, usually all to the processing of these defects
It is to be sealed using sealant.Conventional seals glue is easy aging, is influenced by temperature big.Shelter is in high in summer for a long time
Under temperature, surface temperature often reaches 60 DEG C or more, while the infringement also by sunlight middle-ultraviolet lamp, therefore sealant is easy always
Change, fracture, causes leak；Furthermore the ponding on shelter surface can also corrode sealant, and sealant is caused to fail；Shelter production,
In transport and use process, because cabin jolts trembling so that loosening at rivet and at cornerite, formation gap；Due to temperature
Variation, the Al-alloy parts of shelter shell can also occur it is certain expand with heat and contract with cold, cause certain deformation.Above-mentioned reason has can
To cause shelter to leak.
Therefore, aluminium alloy and steel surface need to paste glass reinforced plastic and carry out reinforcing protection or water-proofing treatment, require it at this time
Adhesive property is excellent, and corrosion resistance is preferable, and heat resistance is good, construction is simple.The more epoxy resin of industrial application at present
It is No. 6101 (E-44), for the ease of preparing and operating, additional heating equipment is needed to be heated to 40~50 DEG C, while needing to add
Enter Macrodilution agent to be diluted, common diluent is acetone, penetrating odor can be generated in the construction process in this way, to people
Body causes damages, and subsequent cure temperature requirement is stringent.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of environment-friendly epoxy glass fiber reinforced plastics composite material, has excellent performance,
Viscosity is appropriate, can prepare at normal temperature, and curing time is suitable, and when solidification does not generate low molecule, reaches and promotes glass steel quality
Purpose.
The technical solution adopted by the present invention to solve the technical problems is: a kind of environment-friendly epoxy glass fiber reinforced plastics composite material,
Component includes that mass fraction is 100:(5~10): (25~35): (20~40): (70~100): the epoxy resin of (2~4)
618, diluent 660A, 593 curing agent, polysulfide rubber, silica flour and KH-550.
The present invention also provides the bonding process of the environment-friendly epoxy glass fiber reinforced plastics composite material, comprising the following steps:
1) glass cloth is cut according to use demand；Paste face, which carries out polishing roughening treatment, is waited for glass cloth, it is ensured that its surface
95% is clean exposed matrix, and there is polishing in the region at least 60% of any one piece of side length 25mm；After the completion of polishing, by dust,
Clast, and scrubbed face to be pasted with ethyl acetate, it dries stand-by；
2) according to mass fraction 100:(5~10): (25~35): (20~40): (70~100): (2~4) weigh epoxy
Resin 618, diluent 660A, 593 curing agent, polysulfide rubber, silica flour and KH-550, first by epoxy resin 618, diluent
660A and the mixing of the polysulfide rubber of liquid, stir evenly, 593 curing agent are then added, fleut is added after being sufficiently stirred
Silica flour and coupling agent KH-550, obtain fiber glass epoxy sizing material after mixing evenly；
3) wait for that one layer of fiber glass epoxy sizing material, 0.5~0.8mm of glue-line thickness are brushed in paste face in glass cloth；Glass cloth is shakeout,
It is exhausted with the hairbrush for being moistened with glue from one end or centre, glue is made to be impregnated with glass cloth completely；Repeat the brushing of paving several layers
There is the glass cloth of fiber glass epoxy sizing material, the overlap edge of adjacent two layers glass cloth is mutually staggered not less than 50mm.；
4) remaining glue is removed after the completion of pasting, under the conditions of temperature is not less than 15 DEG C spontaneous curing for 24 hours, until glass reinforced plastic is complete
It is dry.
In the step 3), if same layer glass cloth is overlapped, overlap distance should be greater than 50mm.
In the step 3), increases by 1~2 layer of paving in the angular position of glass cloth coated cap surface and be painted with expoxy glass
The glass cloth of steel sizing material.
The beneficial effects of the present invention are: the environment-friendly epoxy glass fiber reinforced plastics composite material provided may be directly applied to all kinds of shelters
It is protected outside top, good environmental protection, non-volatile object, without additional heating equipment；Modest viscosity, can depending on the site environment and item
Part adjusts gelatin viscosity and curing rate (0.2~0.8Pa.s)；Adhesive property is excellent, and highest shear strength reaches 15MPa or so；
Can under room temperature or lower temperature gel, solidification, when solidification do not generate low molecule, and without pressurization；Curing time meets
Construction requirement of the room temperature lower operating time at 0.5 hour or so；Pasted technique is not limited by product shape and size, can be according to setting
Meter requires, random local strengthening；The exemplar pasted is tested by high/low temperature, temperature tolerance, acid and alkali-resistance, water-fast etc., and surface is without opening
It splits, dusting, delamination and bubble phenomenon.On the basis of Improving The Quality of Products, constructing operation is relatively simple, the side of being conducive to for the invention
The production of cabin product.
Detailed description of the invention
Fig. 1 is shelter glass reinforced plastic pasted technique flow chart.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
Glass reinforced plastic is pasted at the top of shelter and is protected in order to improve the outer reliability protected, the present invention at the top of shelter.
The present invention is strong with the tensile shear of various formula (different ratio, various fillers) exemplars based on a large number of experiments
It spends based on test result, screens the adhesive of optimum proportioning, specific formula is shown in Table 1；By being standardized to pasted technique, have
Effect promotes glass fiber reinforced plastic surface quality.
1 adhesive formulation table of table
| Material | Epoxy 618 | Diluent 660A | 593 curing agent | Polysulfide rubber | Silica flour | KH-550 |
| Weight (g) | 100 | 5~10 | 25~35 | 20~40 | 70~100 | 2~4 |
The concrete operation step that the present invention bonds are as follows:
1) preparation of tool: putty knife, hairbrush, tape measure, scissors, mixer, plastic cloth, cotton yarn, sand paper, hand-held stirring
Device, 1kg~10kg scale, Hygrothermograph and appliances for labor protection.
2) it the preparation of glass cloth: accurately measures, and is identified by construction requirement.It, can be to cutting edge before glass cloth is cut
Line carries out processing of reeling off raw silk from cocoons, and is then cut along position of reeling off raw silk from cocoons, it is desirable that and edge is neat, and glass cloth is neatly folded by class,
And SD local sign.
3) it is surface-treated: treating paste face and carry out polishing roughening treatment, surface 95% should be clean exposed matrix, any
There is the trace of polishing on the surface of one piece of 25mm square at least 60%.After the completion of polishing, dust, clast are cleaned out, and use cotton
Yarn dips a little ethyl acetate and scrubs face to be pasted, and dries stand-by.
4) preparation of fiber glass epoxy sizing material: raw material are weighed respectively by the proportion of table 1, first by epoxy 618, diluent 660A
And liquid polysulphide rubber mixing, it stirs evenly, curing agent is then added, fleut silica flour is added after being sufficiently stirred, stirs
It can be used after mixing uniformly.
5) paste glass reinforced plastic: first in the thick one layer of glue of brush in face to be pasted, (glue-line thickness about 0.5mm~0.8mm, cannot there is starved
Place), it then shakeouts glass cloth is naturally smooth, is exhausted with the hairbrush for being moistened with glue from one end or centre, keeps glue complete
It is impregnated with glass cloth entirely.The paving number of plies can be optionally depending on thickness.During pasting, the overlap edge of upper and lower level must mutually be staggered
It opens, distance is no less than 50mm.It can just guarantee to paste flush edge beauty in this way, same layer glass cloth does not use overlap joint as far as possible
Processing such as needs to overlap really, and overlap distance also should be greater than 50mm, should regard concrete condition in angular position and suitably increase paving layer
It 1~2 layer of number, is reinforced, and answers smooth, closely knit, bubble-free.
6) it clears up: after the completion of pasting, glue remaining around it being purged.After spontaneous curing for 24 hours (temperature is not less than 15 DEG C),
After glass reinforced plastic is completely dried, its surface should be checked, when such as the defects of jagged, delamination and bubble, should be repaired.
Implement example 1
When construction environment temperature is lower than 15 DEG C, paste as follows with adhesive formulation:
Implement example 2
At 15 DEG C~20 DEG C of construction environment temperature, paste as follows with adhesive formulation:
Implement example 3
It 20 DEG C~25 DEG C of construction environment temperature, pastes as follows with adhesive formulation:
Implement example 4
At 25 DEG C~35 DEG C of construction environment temperature, paste as follows with adhesive formulation:
Specific construction process is as follows:
(1) determination pastes position and handles its surface.Pasting region includes blood sampling shelter surrounding angle-shaped piece, top plate
At step, cornerite and covering spell commissure.Paste face, which is treated, with 80 mesh emery cloths carries out polishing roughening treatment.After the completion of polishing, by powder
Dirt, clast are cleaned out, and are dipped a little ethyl acetate with cotton yarn and scrubbed face to be pasted, and are dried stand-by.
(2) determining to paste the number of plies and paste mode.By test, requirement can be met by pasting two layers.Angle-shaped piece, packet
Angle and covering spell commissure: first layer glass cloth width is 100mm~110mm, second layer glass cloth width be 150mm~
160mm；At top plate step: whole face paste, from from step top angle-shaped piece to lower part angle-shaped piece.
(3) match glue and brushing primer.Due to the presence of rivet, gap at shelter surrounding angle-shaped piece, uneven surface, so
A time primer will apply enough, and glue will sufficiently be infiltrated with surface of bottom material.
(4) it pastes and clears up.Each layer has been pasted, it has been checked, has found bulge, has been tilted, the defects of edge burr
It immediately treats.A brush can be carried out with brush viscose glue to bulge region before the non-gel of adhesive to squeeze, and bubble is discharged；Opposite side
It is had one's hair trimmed along tilting, burr with scissors whole.
By having carried out pasting glass reinforced plastic to certain shelter top, application effect is good, and no sag phenomenon, surfacing cause
It is close, curing time is short, be conducive to the production of shelter.
Claims (4)
1. a kind of environment-friendly epoxy glass fiber reinforced plastics composite material, it is characterised in that: component includes that mass fraction is 100:(5~10):
(25~35): (20~40): (70~100): epoxy resin 618, diluent 660A, 593 curing agent, polysulfide of (2~4)
Rubber, silica flour and KH-550.
2. the bonding process of environment-friendly epoxy glass fiber reinforced plastics composite material described in a kind of claim 1, it is characterised in that including following steps
It is rapid:
1) glass cloth is cut according to use demand；Paste face, which carries out polishing roughening treatment, is waited for glass cloth, it is ensured that its surface 95% is
Clean exposed matrix, there is polishing in the region at least 60% of any one piece of side length 25mm；After the completion of polishing, by dust, clast, and
Face to be pasted is scrubbed with ethyl acetate, is dried stand-by；
2) according to mass fraction 100:(5~10): (25~35): (20~40): (70~100): (2~4) weigh epoxy resin
618, diluent 660A, 593 curing agent, polysulfide rubber, silica flour and KH-550, first by epoxy resin 618, diluent 660A with
And the polysulfide rubber mixing of liquid, it stirs evenly, 593 curing agent is then added, fleut silica flour is added after being sufficiently stirred
With coupling agent KH-550, fiber glass epoxy sizing material is obtained after mixing evenly；
3) wait for that one layer of fiber glass epoxy sizing material, 0.5~0.8mm of glue-line thickness are brushed in paste face in glass cloth；Glass cloth is shakeout, with dipping in
There is the hairbrush of glue to be exhausted from one end or centre, glue is made to be impregnated with glass cloth completely；It repeats paving several layers and is painted with ring
The glass cloth of oxygen glass reinforced plastic sizing material, the overlap edge of adjacent two layers glass cloth are mutually staggered not less than 50mm.；
4) remaining glue is removed after the completion of pasting, under the conditions of temperature is not less than 15 DEG C spontaneous curing for 24 hours, until glass reinforced plastic is completely dry
It is dry.
3. the bonding process of environment-friendly epoxy glass fiber reinforced plastics composite material according to claim 2, it is characterised in that: the step
It is rapid 3) in, if same layer glass cloth is overlapped, overlap distance should be greater than 50mm.
4. the bonding process of environment-friendly epoxy glass fiber reinforced plastics composite material according to claim 2, it is characterised in that: the step
It is rapid 3) in, increase by 1~2 layer of the paving glass cloth for being painted with fiber glass epoxy sizing material in the angular position of glass cloth coated cap surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246400.5A CN109367049A (en) | 2018-10-25 | 2018-10-25 | A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246400.5A CN109367049A (en) | 2018-10-25 | 2018-10-25 | A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process |
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| CN109367049A true CN109367049A (en) | 2019-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055511A (en) * | 2019-11-29 | 2020-04-24 | 杭州辰午雕塑有限公司 | Glass fiber reinforced plastic pouring process |
| CN115234028A (en) * | 2022-08-04 | 2022-10-25 | 陕西凯鼎建筑工程有限公司 | Construction method for modifying bonded steel plate through structural reinforcement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040835A (en) * | 2015-06-19 | 2015-11-11 | 金川集团股份有限公司 | Corrosion control method for marine industrial environment |
| CN106381116A (en) * | 2016-09-30 | 2017-02-08 | 西安长峰机电研究所 | Special bonding agent for square cabin big plate bonding and preparation method thereof |
-
2018
- 2018-10-25 CN CN201811246400.5A patent/CN109367049A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040835A (en) * | 2015-06-19 | 2015-11-11 | 金川集团股份有限公司 | Corrosion control method for marine industrial environment |
| CN106381116A (en) * | 2016-09-30 | 2017-02-08 | 西安长峰机电研究所 | Special bonding agent for square cabin big plate bonding and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 徐思亭: "《塑料材料与助剂》", 31 July 2007, 天津大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055511A (en) * | 2019-11-29 | 2020-04-24 | 杭州辰午雕塑有限公司 | Glass fiber reinforced plastic pouring process |
| CN115234028A (en) * | 2022-08-04 | 2022-10-25 | 陕西凯鼎建筑工程有限公司 | Construction method for modifying bonded steel plate through structural reinforcement |
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Application publication date: 20190222 |
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