CN106009575B - A kind of glass fiber reinforced plastic shapes and preparation method thereof and cooling tower - Google Patents
A kind of glass fiber reinforced plastic shapes and preparation method thereof and cooling tower Download PDFInfo
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- CN106009575B CN106009575B CN201610335279.8A CN201610335279A CN106009575B CN 106009575 B CN106009575 B CN 106009575B CN 201610335279 A CN201610335279 A CN 201610335279A CN 106009575 B CN106009575 B CN 106009575B
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- 239000011152 fibreglass Substances 0.000 title claims abstract description 65
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
- 239000011521 glass Substances 0.000 claims abstract description 25
- 229920000728 polyester Polymers 0.000 claims abstract description 16
- 229920006337 unsaturated polyester resin Polymers 0.000 claims abstract description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 15
- 150000002978 peroxides Chemical class 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- -1 stir 6 minutes Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000012779 reinforcing material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010998 test method Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 5
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 description 5
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009545 invasion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 150000008360 acrylonitriles Chemical class 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 150000003902 salicylic acid esters Chemical class 0.000 description 2
- 150000003918 triazines Chemical class 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical class CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
-
- 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
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- 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
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
Landscapes
- 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)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of glass fiber reinforced plastic shapes, are made up of the raw material of following mass percent：Glass roving 35 40%；90 ° of unidirectional cloths 20 30%；Surface of polyester felt 0.2 0.8%；Powder-type aluminum hydroxide 10 15%；Metaphenylene unsaturated polyester resin 20 30%；Peroxide firming agent 0.2 0.3%；Releasing agent 0.5 0.7%；Shrinking agent 0.5 0.7%；Anti- UV agent 0.05 0.07%；Pigment paste 0.4 0.6%；Above-mentioned 90 ° of unidirectional cloths are weaved using alkali-free glass fibre；Aforementioned proportion is based on the quality of glass fiber reinforced plastic shapes.The glass fiber reinforced plastic shapes can meet rate of flame propagation≤25 simultaneously, according to ASTM E84 2009《The method of testing of building material surface combustion characteristics》, and every mechanical property meets CTI STD 137 2013《Fiberglass pultruded structural product is used as cooling tower》Standard；The cooling tower made disclosed herein as well is the production method of above-mentioned glass fiber reinforced plastic shapes and using the glass fiber reinforced plastic shapes.
Description
Technical field
The cooling tower made the present invention relates to a kind of glass fiber reinforced plastic shapes and preparation method thereof and using the glass fiber reinforced plastic shapes.
Technical background
Its structural material used must be subjected to miscellaneous environment to cooling tower in the process of running, including chemistry,
The invasion and attack of biology and other harsh environments, fiberglass (hereinafter referred to as GFRP) section bar of pultrusion have in light weight, anti-
Corruption is strong and the features such as production efficiency is high.So build cooling tower selection on, pultruded glass fiber reinforced plastic shapes compared to timber,
Concrete and steel have obvious advantage.But have both meet fire-retardant (rate of flame propagation≤25) and mechanical strength (CTI at present
Every mechanical property in STD-137-2013 standards) require be applied to build cooling tower glass fiber reinforced plastic shapes it is still few, especially
At home, above-mentioned requirements can be reached by also finding no glass fiber reinforced plastic shapes at present.
The content of the invention
The purpose of the present invention, which first consists in, provides a kind of glass fiber reinforced plastic shapes, and the glass fiber reinforced plastic shapes can meet that flame passes simultaneously
Speed≤25 are broadcast, according to ASTM E84-2009《The method of testing of building material surface combustion characteristics》, and every mechanical property expires
Sufficient CTI STD-137-2013《Fiberglass pultruded structural product is used as cooling tower》Standard, the glass fiber reinforced plastic shapes are by following matter
The raw material of amount percentage is made：
Glass roving 35-40%；
90 ° of unidirectional cloth 20-30%；
Surface of polyester felt 0.2-0.8%；
Powder-type aluminum hydroxide 10-15%；
Metaphenylene unsaturated polyester resin 20-30%；
Peroxide firming agent 0.2-0.3%；
Releasing agent 0.5-0.7%；
Shrinking agent 0.5-0.7%；
Anti- UV agent 0.05-0.07%；
Pigment paste 0.4-0.6%；
Above-mentioned 90 ° of unidirectional cloths are weaved using alkali-free glass fibre；
Aforementioned proportion is based on the quality of glass fiber reinforced plastic shapes.
Above-mentioned peroxide firming agent is very ripe in the prior art, such as benzoyl peroxide, peroxidating first and second
The mixture of one or both of ketone or peroxidized t-butyl perbenzoate and two or more arbitrary proportions is used equally for the application
In, repeat no more.
The shrinking agent being presently available in the application has a lot, for example, polyvinyl acetate, polymethyl methacrylate,
Polystyrene or polyethylene micropowder are used equally in the application, are repeated no more.
The material being presently available for herein as anti-UV agent is a lot, such as salicylic acid esters, benzophenone class, benzo
Triazole type, group-substituted acrylonitrile, triazines or hindered amine light stabilizer are used equally in the application, are repeated no more.
Pigment paste is to mix to mill with unsaturated polyester resin by the toner of pigment to form, existing special in the market
Enterprise is produced, and be disclosure satisfy that the needs of the application, is repeated no more.
The releasing agent can use mixing more than one or both of zinc stearate, phosphate or triethanolamine oil
Thing.
The length direction of above-mentioned glass roving is identical with the warp-wise of 90 ° of unidirectional cloths, wherein 90 ° of unidirectional cloths are used to strengthen
The mechanical property of glass fiber reinforced plastic shapes in the horizontal, glass roving are used for the mechanical property of reinforcing glass steel profile in the vertical
Can, two kinds of material collective effects, it ensure that glass fiber reinforced plastic shapes while be respectively provided with good mechanical property in machine and transverse direction；On
State the longitudinal directions of glass fiber reinforced plastic shapes with it is laterally identical with the warp-wise and broadwise of 90 ° of unidirectional cloths respectively.
Further, the weight per unit area of above-mentioned 90 ° of unidirectional cloths is 650-1050g/m2.The main function of 90 ° of unidirectional cloths
It is the mechanical property of reinforcing glass steel profile in a lateral direction, its specification needs reasonably to control, and it is preferable to unit plane
Product Weight control is in 650-1050g/m2In the range of, the mechanical property of glass fiber reinforced plastic shapes in a lateral direction had both been can guarantee that, and not
As for the redundancy that production is excessive.
The weight per unit area of surface of polyester felt is preferably 35-45g/m2.Surface of polyester felt can make fibre glass product manufacture surface
One layer of resin-rich layer is formed, barrier moisture content is inhaled into etching glass fiber in product by capillarity, while strengthens product and support
The ability of ultra-violet radiation resisting, extends the service life of product, and the surface of polyester felt of above-mentioned specification can preferably meet needs.
The line density of above-mentioned glass roving is preferably 2400-9600tex, more preferably 4800tex, the model
Line density in enclosing can meet the mechanical property of glass fiber reinforced plastic shapes in a longitudinal direction well, and specific specification can be according to tool
The needs of body are selected.
To ensure the intensity of glass fiber reinforced plastic shapes, 90 ° of unidirectional cloths use whole felt mode laying, in the corner of glass fiber reinforced plastic shapes
It is not separated, that is, 90 ° of unidirectional cloths using splicing are avoided, so that the mechanical property of each several part is uniform inside glass fiber reinforced plastic shapes, are reduced
The probability of mechanics weak spot is produced inside glass fiber reinforced plastic shapes.
The viscosity of metaphenylene unsaturated polyester resin is preferably 300-800mpas, more preferably 450-
700mPas, should in the range of viscosity can ensure that resin has appropriate mobility, production is smoothly carried out, and
Resin is set equably to pave uniformly.
To ensure that fire retardant can be uniformly dispersed, make the fire resistance of glass fiber reinforced plastic shapes each several part uniform, aluminium hydroxide
Average grain diameter is preferably 10-20 microns, in the particle size range, can also prevent that the surface of glass fiber reinforced plastic shapes from growing dim or snap gauge.
In glass fiber reinforced plastic shapes of the present invention, using glass roving and 90 ° of unidirectional cloths collectively as reinforcement, make glass
Steel profile is strengthened simultaneously in the mechanical property of vertical and horizontal；, can be effective when 90 ° of unidirectional cloths use whole felt mode laying
Improve the uniformity of the mechanical property of each several part inside glass fiber reinforced plastic shapes in ground.Specifically use metaphenylene unsaturated polyester resin conduct
Matrix, the shear strength of glass fiber reinforced plastic shapes can be effectively improved.
It is strong that glass fiber reinforced plastic shapes in the present invention remain low-density specific to glass fiber reinforced plastics product, anti-corrosive properties, can resist
The advantages of including chemistry, the invasion and attack of biology and other harsh environments, while the vertical and horizontal of the glass fiber reinforced plastic shapes can
Reach standard CTI STD-137-2013 specific requirement, wherein longitudinal tensile strength can reach 416MPa, transverse compression intensity
113.1MPa is can reach, shear strength can reach 33.3MPa；Detected by ASTM E84-2009 method, flame propagation speed
Rate can reach≤25.
The glass fiber reinforced plastic shapes can be used for manufacturing cooling tower, with the cooling tower manufactured by the glass fiber reinforced plastic shapes, can be subjected to each
The environment of formula various kinds, including chemistry, biology invasion and attack and other harsh environments, can meet simultaneously fire resistance,
That is rate of flame propagation≤25, and mechanical strength, that is, meet every mechanical property in CTI STD-137-2013 standards, compare
The cooling tower built using timber, concrete and steel has obvious advantage.
Secondly the application also provides a kind of preparation method of above-mentioned glass fiber reinforced plastic shapes, the preparation method is pultrusion work
Skill, the pultrusion molding process are specially：
By metaphenylene unsaturated polyester resin, aluminium hydroxide, releasing agent, shrinking agent, anti-UV agent, pigment paste and curing agent
After stirring, it is added in technique hopper, using glass roving and 90 ° of unidirectional cloths as reinforcing material, and is imported on surface
One layer of surface of polyester felt, it is continuously shaped in the mould heated with following condition pultrusions by three sections of regions, product is made；
Mold temperature：90-100 DEG C of I areas temperature, 125-140 DEG C of II areas temperature, 120-135 DEG C of III areas temperature；Pultrusion speed
0.1-0.3 ms/min of degree；Above-mentioned 90 ° of unidirectional cloths are weaved using alkali-free glass fibre.
Further, the pultrusion molding process comprises the following steps that：
Metaphenylene unsaturated polyester resin and particle diameter are mixed and stirred in the aluminium hydroxide of 10-20 microns, then added respectively
Enter releasing agent, shrinking agent, anti-UV agent, pigment paste and stirring makes it uniformly mix, stand 10 minutes and allow to cool to room temperature；Again
Peroxide firming agent is added, stirs 6 minutes, resin compound is made, it is stand-by；
The glass roving that line density is 2400-9600tex is penetrated in preforming plate hole, is led in corresponding lead on felt device
It is 650-1050g/m to enter weight per unit area290 ° of unidirectional cloths, and surface import one layer of surface of polyester felt；
The above-mentioned resin compound prepared is poured into technique hopper, with 0.25 m/min of pultrusion speed pass through by
The mould molding of three sections of heating.
The present invention uses pultrusion molding process, has higher production efficiency.The preparation method of the present invention can be successfully
The production of above-mentioned glass fiber reinforced plastic shapes is completed, glass fiber reinforced plastic shapes is respectively provided with higher mechanical property in vertical and horizontal.
Again, the application also provides a kind of cooling tower, and the cooling tower is at least partly made using above-mentioned glass fiber reinforced plastic shapes.
The cooling tower is made as a result of the glass fiber reinforced plastic shapes in the application, due to the glass fiber reinforced plastic shapes have it is low
Density, anti-corrosive properties are strong, can resist including chemistry, the invasion and attack of biology and other harsh environments, the cooling tower is compared to adopting
With the cooling tower made by timber, concrete or steel, there is more advantage, especially due to having higher indulge simultaneously
To the mechanical property with transverse direction, the cooling tower is set to bear higher wind load and snow load, simultaneously because the glass fiber reinforced plastic shapes have
There is good fire resistance, also make the cooling tower in the application that there is good fire resistance.
Embodiment
Embodiment 1
The metaphenylene unsaturated polyester resin that 100kg viscosity is 420-450mpas is fitted into agitator, adds 50kg
Particle diameter in the aluminium hydroxide of 10-15 microns, stir about half an hour, then be separately added into 2.6kg releasing agents, 2.6kg shrinking agent,
0.26kg anti-UV agent, 2kg pigment paste stir about half an hour make each mixture uniformly mix, and stand about 10 minutes or so and are cooled to
Room temperature；1.1kg peroxide firming agent is added, stir about is sufficiently mixed it in 6 minutes, resin compound is made.
The glass roving that line density is 4800tex is penetrated in preforming plate hole, is imported always on felt device in corresponding lead
Totally 3 layers of weight per unit area are 850g/m290 ° of unidirectional cloths, and surface import one layer of weight per unit area be 40g/m2It is poly-
Ester surface felt；Divide three sections of regions heating moulds, Shi Ge areas are respectively：100 DEG C of I areas；140 DEG C of II areas；135 DEG C of III areas.Addition is matched somebody with somebody
For good resin mixture to resin storage tank, setting pultrusion speed is 0.25m/ minutes, glass fiber reinforced plastic shapes is produced, wherein 90 ° of unidirectional cloths
Weaved using alkali-free glass fibre.
Based on the quality of manufactured glass fiber reinforced plastic shapes, the mass percent of above-mentioned each raw material is respectively：Glass is non-twist
Rove 36.1%；90 ° of unidirectional cloths 24.48%；Surface of polyester felt 0.6%；Powder-type aluminum hydroxide 12.24%；Metaphenylene insatiable hunger
With polyester resin 24.48%；Peroxide firming agent 0.27%；Releasing agent 0.64%；Shrinking agent 0.64%；Anti- UV agent
0.06%；Pigment paste 0.49%.
In the present embodiment, releasing agent is adopted using the oily mixture of stearate, phosphate and triethanolamine, shrinking agent
Benzotriazole is used with polyethylene micropowder, anti-UV agent, peroxide firming agent uses benzoyl peroxide and benzoyl peroxide first
Tert-butyl acrylate compounds.
By the glass fiber reinforced plastic shapes made by the present embodiment according to CTI STD-137-2013《Fiberglass pultruded structural product
As cooling tower》Detected, indices such as table 1：
Table 1
| Sequence number | Project | Required value | Method of testing | Real test value |
| 1 | Longitudinal tensile strength (Mpa) | ≥206.8 | ASTM D638-2014 | 416Mpa |
| 3 | Longitudinal stretching modulus of elasticity (Gpa) | ≥17.2 | ASTM D638-2014 | 33.1Gpa |
| 5 | Longitudinal compressive strength (Mpa) | ≥206.8 | ASTM D695-2015 | 301.5Mpa |
| 6 | Transverse compression intensity (Mpa) | ≥103.4 | ASTM D695-2015 | 113.1Mpa |
| 7 | Longitudinal compression modulus of elasticity (Gpa) | ≥17.2 | ASTM D695-2015 | 28.7GPa |
| 8 | Transverse compression modulus of elasticity (Gpa) | ≥6.9 | ASTM D695-2015 | 14.3GPa |
| 9 | Buckling strength (Mpa) | ≥206.8 | ASTM D790-2010 | 445.6Mpa |
| 10 | Transverse bending strength (Mpa) | ≥68.9 | ASTM D790-2010 | 393.7Mpa |
| 11 | Shear strength (Mpa) | ≥31 | ASTM D2344-2013 | 33.3MPa |
| 12 | Longitudinal bolt crushing strength (Mpa) | ≥206.8 | ASTM D953-2010 | 416.6Mpa |
| 13 | Cross bolts crushing strength (Mpa) | ≥206.8 | ASTM D953-2010 | 323.5MPa |
| 14 | Ba Keer hardness | ≥45 | ASTM D2583-2013 | 60HBa |
| 15 | Rate of flame propagation | ≤25 | ASTM E84-2009 | Meet the requirements |
A kind of cooling tower, made using above-mentioned glass fiber reinforced plastic shapes.It is appreciated that the cooling tower can be all using above-mentioned glass
Glass steel profile makes, and partly can also be made using above-mentioned glass fiber reinforced plastic shapes.Above-mentioned glass die is used in the part of cooling tower
When material makes, cooling tower can be made jointly with reference to steel member, concrete component or Wood member.
Embodiment 2
The present embodiment is identical with the technological process of embodiment 1, and the specific kind and mass percent of each raw material are as follows：
Glass roving, line density 2400tex, 36%；
90 ° of unidirectional cloths, weight per unit area 650g/m2, 25%；
Surface of polyester felt, weight per unit area 35g/m2, 0.2%；
Powder-type aluminum hydroxide, 15-20 microns, 15%；
Metaphenylene unsaturated polyester resin, viscosity 300-350mPas, 22.15%；
Peroxide firming agent is specifically compounded using benzoyl peroxide and peroxidized t-butyl perbenzoate, and 0.2%；
Releasing agent specifically uses zinc stearate, and 0.5%；
Shrinking agent specifically uses polyvinyl acetate, and 0.5%；
Anti- UV agent specifically uses salicylic acid esters, and 0.05%；
Pigment paste, it is light grey, 0.4%.
Mold temperature：90 DEG C of I areas temperature, 125 DEG C of II areas temperature, 120 DEG C of III areas temperature；0.3 m/min of pultrusion speed.
Cooling tower, the glass fiber reinforced plastic shapes produced using the present embodiment are made.
Embodiment 3
The present embodiment is identical with the technological process of embodiment 1, and the specific kind and mass percent of each raw material are as follows.
Glass roving, line density 9600tex, 35%；
90 ° of unidirectional cloths, weight per unit area 1050g/m2, 20%；
Surface of polyester felt, weight per unit area 45g/m2, 0.8%；
Powder-type aluminum hydroxide, 15-18 microns, 11.85%；
Metaphenylene unsaturated polyester resin, viscosity 750-800mPas, 30%；
Peroxide firming agent is specifically using the compounding of methyl ethyl ketone peroxide and peroxidized t-butyl perbenzoate, and 0.3%；
Releasing agent specifically uses phosphate, and 0.7%；
Shrinking agent specifically uses polymethyl methacrylate, and 0.7%；
Anti- UV agent specifically uses benzophenone class, and 0.05%；
Pigment paste, Dark grey, 0.6%.
Mold temperature：100 DEG C of I areas temperature, 140 DEG C of II areas temperature, 135 DEG C of III areas temperature；0.1 m/min of pultrusion speed
Clock.
Cooling tower, the glass fiber reinforced plastic shapes partly produced using the present embodiment are made.
Embodiment 4
The present embodiment is identical with the technological process of embodiment 1, and the specific kind and mass percent of each raw material are as follows.
Glass roving, line density 4800tex, 40%；
90 ° of unidirectional cloths, weight per unit area 900g/m2, 27.38%；
Surface of polyester felt, weight per unit area 40g/m2, 0.6%；
Powder-type aluminum hydroxide, 10-15 microns, 10%；
Metaphenylene unsaturated polyester resin, viscosity 550-600mPas, 20%；
Peroxide firming agent is specifically compounded using methyl ethyl ketone peroxide and peroxidized t-butyl perbenzoate, and 0.25%；
Releasing agent specifically using phosphate and triethanolamine oil mixture, 0.6%；
Shrinking agent specifically uses polystyrene, and 0.6%；
Anti- UV agent specifically uses group-substituted acrylonitrile, and 0.07%；
Pigment paste, it is light grey, 0.5%.
Mold temperature：95 DEG C of I areas temperature, 135 DEG C of II areas temperature, 130 DEG C of III areas temperature；0.2 m/min of pultrusion speed.
Cooling tower, the glass fiber reinforced plastic shapes partly produced using the present embodiment are made.
Embodiment 5
The present embodiment is identical with the technological process of embodiment 1, and the specific kind and mass percent of each raw material are as follows.
Glass roving, line density 4400tex, 35%；
90 ° of unidirectional cloths, weight per unit area 750g/m2, 30%；
Surface of polyester felt, weight per unit area 35g/m2, 0.5%；
Powder-type aluminum hydroxide, 15-20 microns, 12.54%；
Metaphenylene unsaturated polyester resin, viscosity 600-650mPas, 20%；
Peroxide firming agent is specifically compounded using benzoyl peroxide and peroxidized t-butyl perbenzoate, and 0.27%；
Releasing agent is specifically oily using triethanolamine, and 0.58%；
Shrinking agent specifically uses polyethylene micropowder, and 0.55%；
Anti- UV agent specifically uses triazines, and 0.06%；
Pigment paste, it is light grey, 0.5%.
Mold temperature：100 DEG C of I areas temperature, 125 DEG C of II areas temperature, 135 DEG C of III areas temperature；0.25 m/min of pultrusion speed
Clock.
Cooling tower, the glass fiber reinforced plastic shapes produced using the present embodiment are made.
Claims (9)
1. a kind of glass fiber reinforced plastic shapes, it is characterised in that it is made up of the raw material of following mass percent：
Glass roving 35-40%；
90 ° of unidirectional cloth 20-30%；
Surface of polyester felt 0.2-0.8%；
Powder-type aluminum hydroxide 10-15%；
Metaphenylene unsaturated polyester resin 20-30%；
Peroxide firming agent 0.2-0.3%；
Releasing agent 0.5-0.7%；
Shrinking agent 0.5-0.7%；
Anti- UV agent 0.05-0.07%；
Pigment paste 0.4-0.6%；
Above-mentioned 90 ° of unidirectional cloths are weaved using alkali-free glass fibre；
Aforementioned proportion is based on the quality of glass fiber reinforced plastic shapes；
90 ° of unidirectional cloths use whole felt mode laying, not separated in the corner of glass fiber reinforced plastic shapes.
2. glass fiber reinforced plastic shapes according to claim 1, it is characterised in that the weight per unit area of 90 ° of unidirectional cloths is 650-
1050g/m2。
3. glass fiber reinforced plastic shapes according to claim 1, it is characterised in that the weight per unit area of surface of polyester felt is 35-
45 g/m2。
4. glass fiber reinforced plastic shapes according to claim 1, it is characterised in that the line density of glass roving is 2400-
9600tex。
5. glass fiber reinforced plastic shapes according to claim 1, it is characterised in that the viscosity of metaphenylene unsaturated polyester resin is
300-800mPa·s。
6. glass fiber reinforced plastic shapes according to claim 1, it is characterised in that the average grain diameter of aluminium hydroxide is 10-20 microns.
7. the preparation method of the glass fiber reinforced plastic shapes described in claim 1 to 6 any claim, it is characterised in that
The preparation method is pultrusion molding process, and the pultrusion molding process is specially：
Metaphenylene unsaturated polyester resin, aluminium hydroxide, releasing agent, shrinking agent, anti-UV agent, pigment paste and curing agent are stirred
After uniformly, it is added in technique hopper, using glass roving and 90 ° of unidirectional cloths as reinforcing material, and one layer is imported on surface
Surface of polyester felt, it is continuously shaped in the mould heated with following condition pultrusions by three sections of regions, product is made；
Mold temperature：90-100 DEG C of I areas temperature, 125-140 DEG C of II areas temperature, 120-135 DEG C of III areas temperature；Pultrusion speed
0.1-0.3 ms/min；
Above-mentioned 90 ° of unidirectional cloths are weaved using alkali-free glass fibre.
8. preparation method according to claim 7, it is characterised in that the pultrusion molding process comprises the following steps that：
Metaphenylene unsaturated polyester resin and particle diameter are mixed and stirred in the aluminium hydroxide of 10-20 microns, then are separately added into de-
Mould agent, shrinking agent, anti-UV agent, pigment paste and stirring make it uniformly mix, and stand 10 minutes and allow to cool to room temperature；Add
Peroxide firming agent, stir 6 minutes, resin compound is made, it is stand-by；
The glass roving that line density is 2400-9600tex is penetrated in preforming plate hole, list is imported on felt device in corresponding lead
Position area weight is 650-1050g/m290 ° of unidirectional cloths, and surface import one layer of surface of polyester felt；
The above-mentioned resin compound prepared is poured into technique hopper, with 0.25 m/min of pultrusion speed by passing through three sections
The mould molding of heating.
9. a kind of cooling tower, it is characterised in that its at least part is using the glass described in claim 1 to 6 any claim
Steel profile makes.
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| CN106785418A (en) * | 2016-12-29 | 2017-05-31 | 江苏亚信电子科技有限公司 | A kind of fiberglass radome and preparation method thereof |
| CN107323050A (en) * | 2017-06-16 | 2017-11-07 | 南通时瑞塑胶制品有限公司 | A kind of high-strength anti-flaming section bar |
| CN109749475A (en) * | 2017-11-02 | 2019-05-14 | 江苏创曦复合材料科技有限公司 | A kind of resistance to uviol steel pultrusion resin and preparation method thereof |
| CN108795004A (en) * | 2018-06-04 | 2018-11-13 | 埃克赛复合材料（南京）有限公司 | A kind of low water absorption glass fiber reinforced plastics composite material |
| CN109760339A (en) * | 2018-12-17 | 2019-05-17 | 江苏飞博尔新材料科技有限公司 | Low smoke and zero halogen ultrahigh flame-retardant FRP drawing and extruding section bar manufacturing method |
| CN110424717A (en) * | 2019-08-02 | 2019-11-08 | 南京斯贝尔复合材料有限责任公司 | FRP template for building and preparation method thereof |
| CN110628194A (en) * | 2019-09-17 | 2019-12-31 | 北玻院(滕州)复合材料有限公司 | Glass fiber reinforced plastic pultrusion section for cooling tower and preparation method thereof |
| CN110791092A (en) * | 2019-11-05 | 2020-02-14 | 苏州金螳螂文化发展股份有限公司 | Glass fiber reinforced plastic material for embossment molding and preparation method thereof |
| CN111004443B (en) * | 2019-12-20 | 2022-12-23 | 广东金发科技有限公司 | Medium-alkali glass fiber reinforced recycled polypropylene composite material and preparation method and application thereof |
| CN112454946A (en) * | 2020-11-04 | 2021-03-09 | 常州众杰复合材料有限公司 | Preparation method of wood grain glass fiber reinforced plastic pultrusion section |
| CN113462139A (en) * | 2021-07-20 | 2021-10-01 | 南通天木绝缘复合材料有限公司 | Glass fiber reinforced plastic grating section bar and production process thereof |
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| CN104387735A (en) * | 2014-10-20 | 2015-03-04 | 南通时瑞塑胶制品有限公司 | GRP open-web plate, as well as pultrusion method and application thereof |
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