CN106009575A - Glass reinforced plastic section material and preparation method thereof and cooling tower - Google Patents
Glass reinforced plastic section material and preparation method thereof and cooling tower Download PDFInfo
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- CN106009575A CN106009575A CN201610335279.8A CN201610335279A CN106009575A CN 106009575 A CN106009575 A CN 106009575A CN 201610335279 A CN201610335279 A CN 201610335279A CN 106009575 A CN106009575 A CN 106009575A
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- 239000011152 fibreglass Substances 0.000 title claims abstract description 69
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 title abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
- 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
- 239000003365 glass fiber Substances 0.000 claims abstract description 8
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000012779 reinforcing material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000004566 building material Substances 0.000 abstract description 2
- 238000007655 standard test method Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 9
- -1 polyethylene Polymers 0.000 description 6
- 239000004342 Benzoyl peroxide Substances 0.000 description 4
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 4
- 235000019400 benzoyl peroxide Nutrition 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
- 239000010452 phosphate Substances 0.000 description 4
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 4
- 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 3
- 239000004698 Polyethylene Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 150000008360 acrylonitriles Chemical class 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 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
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 150000003918 triazines Chemical class 0.000 description 2
- 239000002023 wood Substances 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
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 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
- 239000004793 Polystyrene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical class CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- RUPAXCPQAAOIPB-UHFFFAOYSA-N tert-butyl formate Chemical compound CC(C)(C)OC=O RUPAXCPQAAOIPB-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 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 glass reinforced plastic section material. The glass reinforced plastic section material is prepared from, by mass, 35-40% of glass fiber roving, 20-30% of 90-degree unidirectional cloth, 0.2-0.8% of polyester surface mat, 10-15% of powdery aluminum hydroxide, 20-30% of isophthalic unsaturated polyester resin, 0.2-0.3% of a peroxide curing agent, 0.5-0.7% of a release agent, 0.5-0.7% of a low shrinkage agent, 0.05-0.07% of an anti-ultraviolet agent and 0.4-0.6% of pigment paste, wherein the 90-degree unidirectional cloth is made by weaving of alkali-free glass fibers, and the proportions are based on mass of the glass reinforced plastic section material. The glass reinforced plastic section material meets the requirement that flame propagation rate is smaller than or equal to 25 according to ASTM E84-2009 Standard Test Method for Surface Burning Characteristics of Building Materials, and mechanical properties of the glass reinforced plastic section material meet standards of CTI STD-137-2013 Fiberglass Pultruded Structural Products for Use in Cooling Towers. The invention further discloses a production method of the glass reinforced plastic section material and a cooling tower manufactured with the glass reinforced plastic section material.
Description
Technical field
The present invention relates to a kind of glass fiber reinforced plastic shapes and preparation method thereof and the cooling tower using this glass fiber reinforced plastic shapes to make.
Technical background
Cooling tower structural material used by it in running must be subjected to environment miscellaneous, including chemical, biological
Invasion and attack and other harsh environment, fiberglass (hereinafter referred to as GFRP) section bar of pultrusion has lightweight, anti-corrosive properties
Strong and production efficiency high.So in the selection building cooling tower, pultruded glass fiber reinforced plastic shapes is compared to timber, coagulation
Soil and steel have obvious advantage.But have both at present and meet fire-retardant (rate of flame propagation≤25) and mechanical strength (CTI
Every mechanical property in STD-137-2013 standard) require be applicable to build cooling tower glass fiber reinforced plastic shapes the fewest, especially in state
In, the most also find no glass fiber reinforced plastic shapes and can reach above-mentioned requirements.
Summary of the invention
The purpose of the present invention first consists in a kind of glass fiber reinforced plastic shapes of offer, and this glass fiber reinforced plastic shapes can meet rate of flame propagation simultaneously
≤ 25, according to ASTM E84-2009 " method of testing of building material surface combustion characteristics ", and every mechanical property meets CTI
The standard of STD-137-2013 " fiberglass pultruded structural product is used as cooling tower ", this glass fiber reinforced plastic shapes is by following percent mass
The raw material of ratio 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%；
Uv-resistant agent 0.05-0.07%；
Pigment paste 0.4-0.6%；
Above-mentioned 90 ° of unidirectional cloths use alkali-free glass fibre weaving；
Aforementioned proportion is based on the quality of glass fiber reinforced plastic shapes.
Above-mentioned peroxide firming agent is the most ripe, such as benzoyl peroxide, methyl ethyl ketone peroxide or mistake
The mixture of one or both and two or more arbitrary proportion in Oxybenzene t-butyl formate is used equally in the application, the most superfluous
State.
The shrinking agent being presently available in the application has a lot, such as polyvinyl acetate, polymethyl methacrylate, polyphenyl
Ethylene or polyethylene micropowder are used equally in the application, repeat no more.
It is presently available for the material herein as uv-resistant agent a lot, such as salicylic acid esters, benzophenone class, benzo three
Azole, group-substituted acrylonitrile, triazines or hindered amine light stabilizer are used equally in the application, repeat no more.
Pigment paste is to be mixed to mill with unsaturated polyester resin by the toner of pigment to form, and the most special existing enterprise enters in the market
Row produces, it is possible to meets the needs of the application, repeats no more.
Described releasing agent can use one or more the mixture in zinc stearate, phosphate ester or triethanolamine oil.
The length direction of above-mentioned glass roving and the warp-wise of 90 ° of unidirectional cloths are identical, and wherein 90 ° of unidirectional cloths are for reinforcing glass
Steel profile mechanical property in the horizontal, glass roving be used for reinforcing glass steel profile mechanical property in the vertical, two kinds
Material acts on jointly, it is ensured that glass fiber reinforced plastic shapes is respectively provided with good mechanical property simultaneously in machine and transverse direction；Above-mentioned fiberglass
The longitudinal direction of section bar is with the most identical with the warp-wise of 90 ° of unidirectional cloths and broadwise 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 is to increase
Strong glass fiber reinforced plastic shapes mechanical property in a lateral direction, its specification needs reasonably to control, and reasonable is weight per unit area
Control at 650-1050g/m2In the range of, both can guarantee that glass fiber reinforced plastic shapes mechanical property in a lateral direction, and be unlikely to again to produce
Too much redundancy.
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 form one
Layer resin-rich layer, intercepts moisture content and is inhaled into etching glass fiber in product by capillarity, strengthen product opposing ultraviolet simultaneously
The ability of radiation, 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, in the range of being somebody's turn to do
Line density can meet glass fiber reinforced plastic shapes mechanical property in a longitudinal direction well, and concrete specification can be according to concrete needs
Select.
For ensureing the intensity of glass fiber reinforced plastic shapes, 90 ° of unidirectional cloths use whole felt mode layings, glass fiber reinforced plastic shapes corner regardless of
Open, i.e. avoid using 90 ° of unidirectional cloths of splicing, so that the mechanical property of the internal each several part of glass fiber reinforced plastic shapes is uniform, reduce glass
The internal probability producing mechanics weak spot of steel profile.
The viscosity of metaphenylene unsaturated polyester resin is preferably 300-800mpa s, more preferably 450-700mPa s,
Viscosity in the range of Gai ensure that resin has suitable mobility, enables production smoothly to carry out, and enables resin equal
Pave uniformly evenly.
For ensureing that fire retardant can be uniformly dispersed, the fire resistance making glass fiber reinforced plastic shapes each several part is uniform, the average particle of aluminium hydroxide
Footpath is preferably 10-20 micron, and in this particle size range, grow dim or snap gauge in the surface still preventing glass fiber reinforced plastic shapes.
In glass fiber reinforced plastic shapes of the present invention, use glass roving and 90 ° of unidirectional cloths collectively as reinforcement, make glass die
Material is strengthened in the mechanical property of vertical and horizontal simultaneously；When 90 ° of unidirectional cloths use whole felt mode laying, can effectively carry
The uniformity of the mechanical property of the internal each several part of high glass fiber reinforced plastic shapes.Specifically employing metaphenylene unsaturated polyester resin is as 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 remains low-density specific to glass fiber reinforced plastics product, anti-corrosive properties, it is possible to including of opposing
, biological invasion and attack and the advantage of other harsh environment, the vertical and horizontal of this glass fiber reinforced plastic shapes can reach standard simultaneously
The specific requirement of CTI STD-137-2013, wherein longitudinal tensile strength can reach 416MPa, and transverse compression intensity can reach
113.1MPa, shear strength can reach 33.3MPa；Detecting by the method for ASTM E84-2009, flame propagates speed
Rate can reach≤25.
This glass fiber reinforced plastic shapes can be used for manufacturing cooling tower, with the cooling tower manufactured by this glass fiber reinforced plastic shapes, it is possible to stand of all kinds
Environment, including chemical, biological invasion and attack and other harsh environment, it is possible to meet fire resistance, i.e. flame simultaneously
Propagation rate≤25, and mechanical strength, i.e. meet every mechanical property in CTI STD-137-2013 standard, and compare employing wood
The cooling tower that material, concrete and steel are built has obvious advantage.
Secondly the application also provides for the preparation method of a kind of above-mentioned glass fiber reinforced plastic shapes, and this preparation method is pultrusion molding process, and this draws
Extrusion forming technique particularly as follows:
By metaphenylene unsaturated polyester resin, aluminium hydroxide, releasing agent, shrinking agent, uv-resistant agent, pigment paste and firming agent
After stirring, join in technique hopper, with glass roving and 90 ° of unidirectional cloths as reinforcing material, and import on surface
One layer of surface of polyester felt, continuously shaped by the mould of three sections of region heating with following condition pultrusion, prepares product；
Mold temperature: I district temperature 90-100 DEG C, II district temperature 125-140 DEG C, III district temperature 120-135 DEG C；Pultrusion speed 0.1-0.3
M/min；Above-mentioned 90 ° of unidirectional cloths use alkali-free glass fibre weaving.
Further, the specifically comprising the following steps that of described pultrusion molding process
Metaphenylene unsaturated polyester resin and particle diameter are mixed and stirred at the aluminium hydroxide of 10-20 micron, then are separately added into the demoulding
Agent, shrinking agent, uv-resistant agent, pigment paste stirring make it uniformly mix, and stand and allow to cool to room temperature in 10 minutes；Add again
Enter peroxide firming agent, stir 6 minutes, make resin compound, stand-by；
In preforming plate hole, penetrate the glass roving that line density is 2400-9600tex, lead importing unit on felt device accordingly
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 in technique hopper, with the pultrusion speed of 0.25 m/min by through three sections of heating
Mould molding.
The present invention uses pultrusion molding process, has higher production efficiency.The preparation method of the present invention can favorably accomplish
State the production of glass fiber reinforced plastic shapes, make glass fiber reinforced plastic shapes be respectively provided with higher mechanical property at vertical and horizontal.
Again, the application also provides for a kind of cooling tower, and this cooling tower at least partly uses above-mentioned glass fiber reinforced plastic shapes to make.
This cooling tower makes owing to have employed the glass fiber reinforced plastic shapes in the application, due to this glass fiber reinforced plastic shapes have low-density,
Anti-corrosive properties are strong, it is possible to opposing includes chemistry, biological invasion and attack and other harsh environment, this cooling tower compared to use timber,
Cooling tower made by concrete or steel, has more advantage, especially owing to having higher vertical and horizontal simultaneously
Mechanical property, make this cooling tower can bear higher wind load and snow load, simultaneously because this glass fiber reinforced plastic shapes has good resistance
Combustion performance, also makes the cooling tower in the application have good fire resistance.
Detailed description of the invention
Embodiment 1
The metaphenylene unsaturated polyester resin that 100kg viscosity is 420-450mpa s is loaded in agitator, adds 50kg grain
Footpath at the aluminium hydroxide of 10-15 micron, stir about half an hour, then be separately added into 2.6kg releasing agent, the shrinking agent of 2.6kg,
The uv-resistant agent of 0.26kg, 2kg pigment paste stir about make each mixture uniformly mix half an hour, stand cooling in about about 10 minutes
To room temperature；Adding the peroxide firming agent of 1.1kg, stir about makes it be sufficiently mixed in 6 minutes, makes resin compound.
In preforming plate hole, penetrate the glass roving that line density is 4800tex, import 3 layers altogether on felt device leading accordingly
Weight per unit area is 850g/m290 ° of unidirectional cloths, and surface import one layer of weight per unit area be 40g/m2Polyester
Surface felt；Dividing three sections of regions heating moulds, Shi Ge district is respectively as follows: 100 DEG C of I district；140 DEG C of II district；135 DEG C of III district.Add
The resin mixture prepared is to resin storage tank, and arranging pultrusion speed is 0.25m/ minute, produce glass fiber reinforced plastic shapes, wherein 90 ° unidirectional
Cloth uses alkali-free glass fibre weaving.
Based on the quality of the glass fiber reinforced plastic shapes made, the mass percent of above-mentioned each raw material is respectively as follows: glass roving
36.1%；90 ° of unidirectional cloths 24.48%；Surface of polyester felt 0.6%；Powder-type aluminum hydroxide 12.24%；Metaphenylene unsaturated polyester
Ester resin 24.48%；Peroxide firming agent 0.27%；Releasing agent 0.64%；Shrinking agent 0.64%；Uv-resistant agent 0.06%；
Pigment paste 0.49%.
In the present embodiment, releasing agent uses stearate, phosphate ester and the mixture of triethanolamine oil, and shrinking agent uses poly-
Ethylene micropowder, uv-resistant agent use benzotriazole, and peroxide firming agent uses benzoyl peroxide and perbenzoic acid uncle
Butyl ester compounds.
By the glass fiber reinforced plastic shapes made by the present embodiment, according to CTI STD-137-2013, " fiberglass pultruded structural product is used as cold
But tower " detect, 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 elastic modelling quantity (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 elastic modelling quantity (Gpa) | ≥17.2 | ASTM D695-2015 | 28.7GPa |
| 8 | Transverse compression elastic modelling quantity (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, uses above-mentioned glass fiber reinforced plastic shapes to make.It is appreciated that this cooling tower can all use above-mentioned fiberglass
Section bar makes, it is also possible to part uses above-mentioned glass fiber reinforced plastic shapes to make.Part at cooling tower uses above-mentioned glass fiber reinforced plastic shapes to make
Time, can jointly make cooling tower in conjunction with steel beam column, concrete component or Wood member.
Embodiment 2
The present embodiment is identical with the technological process of embodiment 1, and the concrete kind of each raw material and mass percent 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 micron, 15%；
Metaphenylene unsaturated polyester resin, viscosity is 300-350mPa s, 22.15%；
Peroxide firming agent specifically uses benzoyl peroxide and peroxidized t-butyl perbenzoate to compound, and 0.2%；
Releasing agent specifically uses zinc stearate, and 0.5%；
Shrinking agent specifically uses polyvinyl acetate, and 0.5%；
Uv-resistant agent specifically uses salicylic acid esters, and 0.05%；
Pigment paste, light grey, 0.4%.
Mold temperature: I district temperature 90 DEG C, II district temperature 125 DEG C, III district temperature 120 DEG C；Pultrusion speed 0.3 m/min.
Cooling tower, the glass fiber reinforced plastic shapes using the present embodiment to be produced makes.
Embodiment 3
The present embodiment is identical with the technological process of embodiment 1, and the concrete kind of each raw material and mass percent 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 micron, 11.85%；
Metaphenylene unsaturated polyester resin, viscosity is 750-800mPa s, 30%；
Peroxide firming agent specifically uses the compounding of methyl ethyl ketone peroxide and peroxidized t-butyl perbenzoate, and 0.3%；
Releasing agent specifically uses phosphate ester, and 0.7%；
Shrinking agent specifically uses polymethyl methacrylate, and 0.7%；
Uv-resistant agent specifically uses benzophenone class, and 0.05%；
Pigment paste, Dark grey, 0.6%.
Mold temperature: I district temperature 100 DEG C, II district temperature 140 DEG C, III district temperature 135 DEG C；Pultrusion speed 0.1 m/min.
Cooling tower, the glass fiber reinforced plastic shapes that part uses the present embodiment to be produced makes.
Embodiment 4
The present embodiment is identical with the technological process of embodiment 1, and the concrete kind of each raw material and mass percent 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 micron, 10%；
Metaphenylene unsaturated polyester resin, viscosity is 550-600mPa s, 20%；
Peroxide firming agent specifically uses methyl ethyl ketone peroxide and peroxidized t-butyl perbenzoate to compound, and 0.25%；
Releasing agent specifically use phosphate ester and triethanolamine oil mixture, 0.6%；
Shrinking agent specifically uses polystyrene, and 0.6%；
Uv-resistant agent specifically uses group-substituted acrylonitrile, and 0.07%；
Pigment paste, light grey, 0.5%.
Mold temperature: I district temperature 95 DEG C, II district temperature 135 DEG C, III district temperature 130 DEG C；Pultrusion speed 0.2 m/min.
Cooling tower, the glass fiber reinforced plastic shapes that part uses the present embodiment to be produced makes.
Embodiment 5
The present embodiment is identical with the technological process of embodiment 1, and the concrete kind of each raw material and mass percent 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 micron, 12.54%；
Metaphenylene unsaturated polyester resin, viscosity is 600-650mPa s, 20%；
Peroxide firming agent specifically uses benzoyl peroxide and peroxidized t-butyl perbenzoate to compound, and 0.27%；
Releasing agent specifically uses triethanolamine oily, and 0.58%；
Shrinking agent specifically uses polyethylene micropowder, and 0.55%；
Uv-resistant agent specifically uses triazines, and 0.06%；
Pigment paste, light grey, 0.5%.
Mold temperature: I district temperature 100 DEG C, II district temperature 125 DEG C, III district temperature 135 DEG C；Pultrusion speed 0.25 m/min.
Cooling tower, the glass fiber reinforced plastic shapes using the present embodiment to be produced makes.
Claims (10)
1. a 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%；
Uv-resistant agent 0.05-0.07%；
Pigment paste 0.4-0.6%；
Above-mentioned 90 ° of unidirectional cloths use alkali-free glass fibre weaving；
Aforementioned proportion is based on the quality of glass fiber reinforced plastic shapes.
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that the weight per unit area of 90 ° of unidirectional cloths is
650-1050g/m2。
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that the weight per unit area of surface of polyester felt is 35-45
g/m2。
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that the line density of glass roving is
2400-9600tex。
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that 90 ° of unidirectional cloths use whole felt mode laying,
The corner of glass fiber reinforced plastic shapes is not separated.
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that the viscosity of metaphenylene unsaturated polyester resin is
300-800mPa·s。
Glass fiber reinforced plastic shapes the most according to claim 1, it is characterised in that the mean diameter of aluminium hydroxide is 10-20 micron.
8. the preparation method of the glass fiber reinforced plastic shapes described in claim 1 to 7 any claim, it is characterised in that
Described preparation method is pultrusion molding process, this pultrusion molding process particularly as follows:
By metaphenylene unsaturated polyester resin, aluminium hydroxide, releasing agent, shrinking agent, uv-resistant agent, pigment paste and firming agent
After stirring, join in technique hopper, with glass roving and 90 ° of unidirectional cloths as reinforcing material, and import on surface
One layer of surface of polyester felt, continuously shaped by the mould of three sections of region heating with following condition pultrusion, prepares product；
Mold temperature: I district temperature 90-100 DEG C, II district temperature 125-140 DEG C, III district temperature 120-135 DEG C；Pultrusion speed 0.1-0.3
M/min；
Above-mentioned 90 ° of unidirectional cloths use alkali-free glass fibre weaving.
Preparation method the most according to claim 8, it is characterised in that specifically comprising the following steps that of described pultrusion molding process
Metaphenylene unsaturated polyester resin and particle diameter are mixed and stirred at the aluminium hydroxide of 10-20 micron, then are separately added into the demoulding
Agent, shrinking agent, uv-resistant agent, pigment paste stirring make it uniformly mix, and stand and allow to cool to room temperature in 10 minutes；Add again
Enter peroxide firming agent, stir 6 minutes, make resin compound, stand-by；
In preforming plate hole, penetrate the glass roving that line density is 2400-9600tex, lead importing unit on felt device accordingly
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 in technique hopper, with the pultrusion speed of 0.25 m/min by through three sections of heating
Mould molding.
10. a cooling tower, it is characterised in that it at least partly uses the glass described in claim 1 to 7 any claim
Glass 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 |
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| 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 |
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| 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 |
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