CN107325481A - A kind of phenoplasts inspection shaft well lid and preparation method thereof - Google Patents
A kind of phenoplasts inspection shaft well lid and preparation method thereof Download PDFInfo
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- CN107325481A CN107325481A CN201710702138.XA CN201710702138A CN107325481A CN 107325481 A CN107325481 A CN 107325481A CN 201710702138 A CN201710702138 A CN 201710702138A CN 107325481 A CN107325481 A CN 107325481A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1472—Cover entirely made of synthetic material
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
- B29C2043/181—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated
- B29C2043/182—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated completely
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2061/00—Use of condensation polymers of aldehydes or ketones or derivatives thereof, as moulding material
- B29K2061/04—Phenoplasts
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0045—Composites
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a kind of phenoplasts inspection shaft well lid and preparation method thereof, inspection shaft well lid is formed by the following raw material component by hot pressing die processing and forming, and composition is by weight：50 60 parts of thermosetting phenolic resin, 30 40 parts of glass, cotton are fine 20 30 parts, 10 20 parts of quartz sand, 25 parts of graphite powder, 0.5 1 parts of catalyst, 25 layers of glass fiber net are set in well lid, using the hot pressing die processing and forming of phenoplasts inspection shaft well lid, with the process such as phenolic resin starting material and filler preparation, mixing, charging, preheating, high temperature hot pressing.Beneficial effect of the present invention：Raw material is common, cheap, and antitheft, inspection shaft well lid density is good, and tissue fibers orientation consistency is good, and well lid possesses that mechanical strength and case hardness are high, is unlikely to deform, wearability is good, bending strength is high, resistance to compression and the characteristic such as shock resistance is good.
Description
Technical field
The present invention relates to plastic inspection well technical field, especially a kind of phenoplasts inspection shaft well lid and its preparation side
Method.
Background technology
Urban construction is general by well lid, well room and well seat with the plastic inspection well in Give drainings or sewage disposal pipe network system
Composition, for ease of maintenance, cleaning and dredging water supply and sewerage pipeline and its facility, maintainer can be by opening the inspection positioned at ground
Look into well well lid and enter inspection shaft, because inspection shaft well lid is usually located on the road surface of road or parking lot etc., directly take on each
Type load-carrying vehicle is rolled and impacted, and relative to inspection well chamber and well seat, the condition of work of well lid is more severe, thus, well
Lid needs to have that high mechanical strength, case hardness are high, is unlikely to deform, wearability is good, bending strength is high, resistance to compression and shock resistance
The characteristic such as good.
At present, inspection shaft well lid common used material is cast iron, armored concrete, rubber or thermoplastic plastic composite material etc..
Cast iron materials mechanical strength and case hardness are high, wearability is good but easily stolen and occur traffic accidents；Armored concrete
Resistance to compression and shock resistance are good, but be adapted to manual operations, and reinforcing bar and concrete it is easy to fall off separation and destroy；Rubber or thermoplasticity
Plastic composite easy injection molding processing, is easy to produce in enormous quantities, but easily stolen because recyclable, and mechanical strength and
Case hardness is low, wear no resistance, in addition, inspection shaft well lid wall thickness is generally 20-30mm, diameter is more than 600mm, relatively thick
Well lid injection molding easily forms shrinkage cavity, and tissue density is poor, and tissue fibers orientation consistency is poor.As can be seen here, it is existing to check
There is certain restrictive condition and defect in well well lid.
Phenoplasts are also known as phenolic moulding powder, are necessarily to match by phenolic resin, filler, plasticizer, lubricant and curing agent
The thermosetting plastics combined, phenoplasts mechanical strength and case hardness are high, not recyclable to repeat thermoplasticity processing.Phenolic aldehyde
Plastics are divided into two major classes with processing mode：The thermoplastic phenolic resin plastics of injection molding processing and the thermosetting of hot-forming processing
Property phenolic plastics, thermosetting phenolic resin is also known as resol, is that a kind of formaldehyde and the branched of phenol, cross-linking type contract
Polymers, under the conditions of base catalyst, after heated pressurization, acceleration is solidified into phenoplasts.
The content of the invention
The technical problem to be solved in the present invention is：In order to solve the problem of prior art in above-mentioned background technology is present,
A kind of phenoplasts inspection shaft well lid and preparation method thereof is provided.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of phenoplasts inspection shaft well lid, is formed by the following raw material component by hot pressing die processing and forming, comprising following heavy
Measure each component of part：50-60 parts of thermosetting phenolic resin, 30-40 parts of glass, 20-30 parts of cotton fibre, 10-20 parts of quartz sand, graphite
1-2 parts of powder, 0.5-1 parts of catalyst, also set up 2-5 layers of glass fiber net in well lid.
Described thermosetting phenolic resin is by formaldehyde and phenol example 1 in molar ratio:1-1.5 is prepared and is synthesized thermosetting phenol
Urea formaldehyde solution.
Described glass be founded by raw material of glass marble or discarded glass through 1600 DEG C of high temperature, drawing process formation glass
Monofilament.
Cotton fibre is to be processed into by pure cotton silk or waste and old cotton goods by spinning.
Described quartz sand uses diameter 0.1-1mm quartz particles.
Described graphite powder uses 100-200 mesh graphite particles.
Described catalyst uses NaOH technical grade product.
Glass fiber net is, and by glass marble or discarded glass to be raw material found through 1600 DEG C of high temperature, the sheet glass that drawing process is formed
Fibre braiding is formed, glass fiber net mesh spacing 5-10mm, and glass fiber net is again through basification.
A kind of preparation method of phenoplasts inspection shaft well lid, phenoplasts inspection shaft well lid is by following steps preparation
Into：
（1）, mixing, by described each raw material by each parts by weight ratio mixing, mixed thoroughly with kneading machine and starchiness dispensing be made；
（2）, charging, the starchiness dispensing described in step 1 is inserted into hot pressing die, and described 2-5 layer glass net layings are entered it
In, glass fiber net spacing 2-10mm, mould closure；
（3）, preheating, mould heat temperature raising preheating starchiness dispensing, 120-125 DEG C of preheating temperature, preheating time 5-10min；
（4）, high temperature hot pressing, mould heat temperature raising, hot pressing pressure 35-40MPa, 155-165 DEG C of hot pressing temperature, hot pressing time 20-
30min；
（5）, mould open, take out product.
Hot pressing die is heated and temperature controlled phenoplasts inspection shaft well lid hot pressing die to possess.
The technique shapes such as the glass fiber net of the present invention is, and by glass marble or discarded glass to be raw material found through 1600 DEG C of high temperature, wire drawing
Slabbing glass, then formed by the braiding of sheet glass, glass fiber net mesh spacing 5-10mm, and basification；Sheet glass thickness
10-50 microns, 2-3 millimeters of width, length is tens of milliseconds to hundreds of millimeters.
The techniques such as the glass of the present invention is raw material using glass marble or discarded glass to be founded through 1600 DEG C of high temperature, wire drawing are formed
Glass monofilament, glass diameter is from several microns to some tens of pm, and length is several millimeters to tens of milliseconds.
Prepared by the thermosetting phenolic resin of the present invention, by formaldehyde and phenol example 1 in molar ratio:1-1.5 preparation synthesizes heat
Solidity phenol resin solution, model T861 or T871 phenolic plastics.
Prepared by the cotton fibre of the present invention, pure cotton silk or be processed as that cotton is fine with waste and old cotton goods, and cotton fibre filament diameter is tens of micro-
Rice arrives hundreds of microns, and length is several millimeters to 10 several millimeters.
Phenoplasts inspection shaft well lid of the present invention, diameter is in more than 600mm, wall thickness 20-30mm, single-wall structure.
Phenoplasts inspection shaft well lid preparation method of the present invention, prepared, kneaded using phenolic resin starting material and filler,
The process such as charging, preheating, high temperature hot pressing.
Thermosetting phenolic resin：Claim resol, be branched, the cross-linking type condensation polymer of a kind of formaldehyde and phenol,
Under the conditions of base catalyst, after heated pressurization, acceleration is solidified into phenoplasts, the inspection shaft machinery produced by phenolic resin
Intensity is high, case hardness is high.
Glass：That is glass fibre, composition is silica, be by raw material of glass marble or discarded glass through high temperature melting,
The techniques such as wire drawing formation monofilament glass or sheet glass, 10-50 microns of sheet glass thickness, 2-3 millimeters of width, length is tens of
Millimeter is to hundreds of millimeters；Glass is strong but pliable in texture, and sheet glass is woven to spacing 5-10mm lamella glass fiber net, with replacement steel
The drawing-resistant function of muscle net, and lamella glass fiber net after basification is connected firmly with phenolic resin adhesion, is not easily disconnected from, phenolic aldehyde modeling
Resistance to compression tensile property is greatly improved after material addition lamella glass fiber net.Compared to sheet glass, each group of the monofilament glass in phenoplasts
During part mixing, it can mix thoroughly in starchiness dispensing, and be dispersed in the product of mold cavity.
Cotton is fine：Cotton fibre is organic fibres, and lengthening coefficient is high, with stronger toughness, and phenoplasts addition cotton fibre can be with
Improve bending strength.
Graphite powder：Graphite powder is stratiform carbon structure, and wearability is good, and possesses self-lubricating function, phenoplasts addition graphite
Powder, can improve the material flowability in anti-wear performance and process.
Quartz sand：Quality is hard, high temperature resistant, and the skeleton function of filler is played in phenoplasts.
Catalyst：NaOH promotes phenolic resin curing reaction, shortens phenoplasts curing molding process time.
Beneficial effect of the present invention：Glass, cotton fibre, quartz sand, graphite powder are used for filler, 2-5 layers of glass are set in well lid
Net, by the process such as phenolic resin starting material and filler preparation, mixing, charging, preheating, high temperature hot pressing, advantage is：1. it is relative
In injection molding, hot-forming well lid density is good, and tissue fibers direction is consistent, easy-formation processing；2. relative to other materials
Material, phenoplasts raw material is common, cheap, and the not recyclable repetition of well lid is processed, it is to avoid stolen；3. main stuffing uses glass
Fibre, glass fiber net, cotton fibre and graphite powder, improve counter-bending, tension, shock resistance and anti-wear performance；4. well lid possess high mechanical strength,
Wearability is good, bending strength is high, resistance to compression and the shock resistance comprehensive premium properties such as good, can preferably meet the production of inspection shaft
With use.
Embodiment
Presently in connection with embodiment, the present invention is further detailed explanation.
Embodiment one：
（One）, raw material：50 parts of thermosetting phenolic resin, 30 parts of glass, 20 parts of cotton fibre, 10 parts of quartz sand, 1 part of graphite powder, catalysis
0.5 part of agent；3 layers of glass fiber net are set in well lid.
It is prepared by glass fiber net, be by glass marble be raw material founded through 1600 DEG C of high temperature, the sheet glass that drawing process is formed, piece
10 microns of shape glass thickness, 3 millimeters of width, length is 50 millimeters to 600 millimeters；Sheet glass is woven to spacing 5mm piece
Layer glass fiber net, and basification.
Prepared by thermosetting phenolic resin, by formaldehyde and phenol example 1 in molar ratio:1.1 preparations synthesize thermosetting phenolic tree
Lipoprotein solution, model T861 phenolic plasticses.
Glass-fibre is standby, is founded by raw material of glass marble through 1600 DEG C of high temperature, drawing process formation glass monofilament, glass diameter
10 microns, length is 5 millimeters.
Prepared by cotton fibre, pure cotton silk is processed as cotton fibre, and cotton fibre filament diameter is 50 microns, and length is 10 millimeters.
The quartz particle diameter 0.5mm that quartz sand is used.
Graphite powder uses 100 mesh graphite particles.
Catalyst uses NaOH technical grade product.
（Two）, preparation method：
（1）, mixing, by described each raw material by each parts by weight ratio mixing, mixed thoroughly with kneading machine and starchiness dispensing be made；
（2）, charging, the starchiness dispensing described in step 1 is inserted into hot pressing die, and 3 layers of described glass net laying are entered wherein,
Glass fiber net spacing 5mm, mould closure；
（3）, preheating, mould heat temperature raising preheating starchiness dispensing, 120 DEG C of preheating temperature, preheating time 5min；
（4）, high temperature hot pressing, mould heat temperature raising, hot pressing pressure 35MPa, 155 DEG C of hot pressing temperature, hot pressing time 20min；
（5）, mould open, take out product.
Phenoplasts inspection shaft well lid wall thickness is 25mm, diameter 600mm；Hot pressing die is heated and temperature controlled to possess
Phenoplasts inspection shaft well lid hot pressing die.
Embodiment two：
（One）, raw material：Fine 25 parts of 55 parts of thermosetting phenolic resin, 35 parts of glass, cotton, 15 parts of quartz sand, 1.5 parts of graphite powder, urge
0.8 part of agent；4 layers of glass fiber net are set in well lid.
It is prepared by glass fiber net, be by glass marble be raw material founded through 1600 DEG C of high temperature, the sheet glass that drawing process is formed, piece
20 microns of shape glass thickness, 3 millimeters of width, length is 50 millimeters to 600 millimeters；Sheet glass is woven to spacing 8mm piece
Layer glass fiber net, and basification.
Prepared by thermosetting phenolic resin, by formaldehyde and phenol example 1 in molar ratio:1.3 preparations synthesize thermosetting phenolic tree
Lipoprotein solution, model T861 phenolic plasticses.
Glass-fibre is standby, is founded by raw material of glass marble through 1600 DEG C of high temperature, drawing process formation glass monofilament, glass diameter
10 microns, length is 5 millimeters.
Prepared by cotton fibre, pure cotton silk is processed as cotton fibre, and cotton fibre filament diameter is 50 microns, and length is 10 millimeters.
The quartz particle diameter 0.8mm that quartz sand is used.
Graphite powder uses 150 mesh graphite particles.
Catalyst uses NaOH technical grade product.
（Two）, preparation method：
（1）, mixing, by described each raw material by each parts by weight ratio mixing, mixed thoroughly with kneading machine and starchiness dispensing be made；
（2）, charging, the starchiness dispensing described in step 1 is inserted into hot pressing die, and 4 layers of described glass net laying are entered wherein,
Glass fiber net spacing 4mm, mould closure；
（3）, preheating, mould heat temperature raising preheating starchiness dispensing, 122 DEG C of preheating temperature, preheating time 8min；
（4）, high temperature hot pressing, mould heat temperature raising, hot pressing pressure 38MPa, 160 DEG C of hot pressing temperature, hot pressing time 25min；
（5）, mould open, take out product.
Phenoplasts inspection shaft well lid wall thickness is 30mm, diameter 700mm；Hot pressing die is heated and temperature controlled to possess
Phenoplasts inspection shaft well lid hot pressing die.
Embodiment three：
（One）, raw material：60 parts of thermosetting phenolic resin, 40 parts of glass, 30 parts of cotton fibre, 20 parts of quartz sand, 2 parts of graphite powder, catalysis
1 part of agent；5 layers of glass fiber net are set in well lid.
It is prepared by glass fiber net, be by discarded glass be raw material founded through 1600 DEG C of high temperature, the sheet glass that drawing process is formed,
30 microns of sheet glass thickness, 3 millimeters of width, length is 60 millimeters to 600 millimeters；Sheet glass is woven to spacing 8mm's
Lamella glass fiber net, and basification.
Prepared by thermosetting phenolic resin, by formaldehyde and phenol example 1 in molar ratio:1.5 preparations synthesize thermosetting phenolic tree
Lipoprotein solution, model T871 phenolic plasticses.
Glass-fibre is standby, is founded by raw material of discarded glass through 1600 DEG C of high temperature, drawing process formation glass monofilament, and glass is straight
20 microns of footpath, length is 10 millimeters.
Prepared by cotton fibre, waste and old cotton goods are processed as cotton fibre, and cotton fibre filament diameter is 100 microns, and length is 15 millimeters.
The quartz particle diameter 1mm that quartz sand is used.
Graphite powder uses 200 mesh graphite particles.
Catalyst uses NaOH technical grade product.
（Two）, preparation method：
（1）, mixing, by described each raw material by each parts by weight ratio mixing, mixed thoroughly with kneading machine and starchiness dispensing be made；
（2）, charging, the starchiness dispensing described in step 1 is inserted into hot pressing die, and 5 layers of described glass net laying are entered wherein,
Glass fiber net spacing 3mm, mould closure；
（3）, preheating, mould heat temperature raising preheating starchiness dispensing, 125 DEG C of preheating temperature, preheating time 10min；
（4）, high temperature hot pressing, mould heat temperature raising, hot pressing pressure 40MPa, 165 DEG C of hot pressing temperature, hot pressing time 30min；
（5）, mould open, take out product.
Phenoplasts inspection shaft well lid wall thickness is 50mm, diameter 800mm；Hot pressing die is heated and temperature controlled to possess
Phenoplasts inspection shaft well lid hot pressing die.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.This invention is technical
Scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of phenoplasts inspection shaft well lid, it is characterized in that：Formed by the following raw material component by hot pressing die processing and forming,
Include each component of following parts by weight：50-60 parts of thermosetting phenolic resin, 30-40 parts of glass, 20-30 parts of cotton fibre, quartz sand
10-20 parts, 1-2 parts of graphite powder, 0.5-1 parts of catalyst, 2-5 layers of glass fiber net are also set up in well lid.
2. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Described thermosetting phenolic resin
It is by formaldehyde and phenol example 1 in molar ratio:1-1.5 is prepared and is synthesized thermosetting phenolic resin solution.
3. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Described glass is with glass marble
Or discarded glass be raw material founded through 1600 DEG C of high temperature, drawing process formation glass monofilament.
4. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Cotton fibre is by pure cotton silk or waste and old
Cotton goods are processed into by spinning.
5. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Described quartz sand uses diameter
0.1-1mm quartz particles.
6. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Described graphite powder uses 100-
200 mesh graphite particles.
7. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Described catalyst uses NaOH
Technical grade product.
8. a kind of phenoplasts inspection shaft well lid according to claim 1, it is characterized in that：Glass fiber net is by glass marble or useless
Old glass is that raw material is founded through 1600 DEG C of high temperature, the sheet glass braiding of drawing process formation is formed, glass fiber net mesh spacing 5-
10mm, glass fiber net is again through basification.
9. a kind of preparation method of phenoplasts inspection shaft well lid, it is characterized in that：Phenoplasts inspection shaft well lid passes through following step
Suddenly it is prepared from：
（1）, mixing, by described each raw material by each parts by weight ratio mixing, mixed thoroughly with kneading machine and starchiness dispensing be made；
（2）, charging, the starchiness dispensing described in step 1 is inserted into hot pressing die, and described 2-5 layer glass net layings are entered it
In, glass fiber net spacing 2-10mm, mould closure；
（3）, preheating, mould heat temperature raising preheating starchiness dispensing, 120-125 DEG C of preheating temperature, preheating time 5-10min；
（4）, high temperature hot pressing, mould heat temperature raising, hot pressing pressure 35-40MPa, 155-165 DEG C of hot pressing temperature, hot pressing time 20-
30min；
（5）, mould open, take out product.
10. the preparation method of phenoplasts inspection shaft well lid according to claim 9, it is characterized in that：Hot pressing die is tool
Standby heating and temperature controlled phenoplasts inspection shaft well lid hot pressing die.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702945A (en) * | 2018-12-25 | 2019-05-03 | 镇江中煤电子有限公司 | Phenolic resin glass fiber compound material colliery monitoring substation method for producing shell |
| CN110126296A (en) * | 2019-05-20 | 2019-08-16 | 杨国燕 | A kind of glass fiber reinforced plastics product moulding process |
| CN111070530A (en) * | 2019-12-26 | 2020-04-28 | 金华市源成新材料有限公司 | Well lid production process |
| CN113696360A (en) * | 2021-05-15 | 2021-11-26 | 吴家谅 | Method for producing manhole cover grate by using glass waste and phenolic resin |
| FR3136488A1 (en) * | 2022-06-08 | 2023-12-15 | Alain Olivo | Lightweight resin-filled concrete inspection pad. |
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| CN111070530A (en) * | 2019-12-26 | 2020-04-28 | 金华市源成新材料有限公司 | Well lid production process |
| CN113696360A (en) * | 2021-05-15 | 2021-11-26 | 吴家谅 | Method for producing manhole cover grate by using glass waste and phenolic resin |
| FR3136488A1 (en) * | 2022-06-08 | 2023-12-15 | Alain Olivo | Lightweight resin-filled concrete inspection pad. |
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