CN110605873A - Rectangular winding glass fiber reinforced plastic - Google Patents

Rectangular winding glass fiber reinforced plastic Download PDF

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Publication number
CN110605873A
CN110605873A CN201910704168.3A CN201910704168A CN110605873A CN 110605873 A CN110605873 A CN 110605873A CN 201910704168 A CN201910704168 A CN 201910704168A CN 110605873 A CN110605873 A CN 110605873A
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slurry
glass fiber
layer
reinforced plastic
parts
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CN201910704168.3A
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CN110605873B (en
Inventor
聂庭森
聂庭江
聂德坤
李红
方强
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JIANGSU SHENJIANG ENVIRONMENT TECHNOLOGY Co Ltd
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JIANGSU SHENJIANG ENVIRONMENT TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/10—Epoxy resins modified by unsaturated compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention relates to a rectangular wound glass fiber reinforced plastic, which is characterized in that a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer are sequentially arranged on the glass fiber reinforced plastic from inside to outside, wherein the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer, a glass fiber surface felt layer is formed by soaking and bonding inner liner slurry, the glass fiber surface felt layer is formed by combining a plurality of winding layers and alkali-free cloth in a staggered mode at intervals up and down, and the glass fiber reinforced plastic external protection layer comprises glass steel wire cloth and polyester surface felt which are formed by soaking and bonding; the winding layer comprises long-cut glass fibers soaked through the toughening slurry, chopped glass fibers soaked through the reinforcing slurry and coarse gauze soaked through the reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry; the invention discloses a rectangular winding glass fiber reinforced plastic which is manufactured by adopting a continuous winding process technology, and the interlayer bonding strength is high, so that the overall strength and rigidity of the glass fiber reinforced plastic pipe are stronger.

Description

Rectangular winding glass fiber reinforced plastic
Technical Field
The invention relates to rectangular wound glass fiber reinforced plastic, and belongs to the field of glass fiber reinforced plastic production.
Background
With the light weight, high strength, corrosion resistance, long service life, weather resistance, flame retardance, high temperature resistance and other performances of the glass fiber reinforced plastic material, the glass fiber reinforced plastic material is widely applied. However, the glass fiber reinforced plastics produced in the prior art have low rigidity, large deformation and high construction requirements. In order to improve the rigidity of the glass fiber reinforced plastic pipeline, the resin dosage must be increased in the glass fiber reinforced plastic, so that the production cost of the glass fiber reinforced plastic is overhigh, the production of the glass fiber reinforced plastic is not facilitated, in the prior art, a coating is added on the outer side of the glass fiber reinforced plastic, so that the performance of the glass fiber reinforced plastic is improved, in the prior art, a hand pasting process is adopted when the rectangular glass fiber reinforced plastic pipeline is produced, the process efficiency is low, the appearance is not attractive, the resin content is not uniform, the thicknesses are different, the process is not easy to control, the production efficiency is low, the quality of the pipe is unstable, although the produced glass fiber reinforced plastic has certain improvement on the performance, the produced glass fiber reinforced plastic cannot meet the requirements of the prior art, and therefore, how to quickly and effectively improve the performance of the.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rectangular winding glass fiber reinforced plastic, which aims to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a rectangular winding glass fiber reinforced plastic is sequentially provided with a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer from inside to outside, wherein the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer and a glass fiber surface felt layer which are formed by soaking and bonding inner liner slurry, the glass fiber reinforced plastic winding layer is formed by combining a plurality of winding layers and alkali-free cloth in a vertically staggered mode at intervals, and the glass fiber reinforced plastic external protection layer comprises glass steel wire cloth and a polyester surface felt which are formed by soaking and bonding protective slurry; the winding layer comprises long-cut glass fibers soaked through toughening slurry, chopped glass fibers soaked through reinforcing slurry and coarse gauze soaked through reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry.
As an improvement of the invention, the lining layer slurry is prepared from the following raw materials in parts by weight: 80-90 parts of vinyl resin, 60-80 parts of epoxy vinyl ester resin, 5-10 parts of curing agent, 2-6 parts of accelerator, 20-30 parts of glycerol, 10-16 parts of softening oil, 6-9 parts of titanium dioxide powder, 4-7 parts of zeolite powder, 2-4 parts of talcum powder, 3-5 parts of ferric oxide, 1-2 parts of binder and 90-110 parts of water.
As an improvement of the invention, the curing agent is a mixture of dibenzoyl peroxide and cyclohexanone peroxide, and the mass ratio of the dibenzoyl peroxide to the cyclohexanone peroxide is 3: 2; the accelerant is a mixture of cobalt naphthenate and cobalt naphthoate, and the mass ratio of the cobalt naphthenate to the cobalt naphthoate is 1: 7.
As an improvement of the invention, the production process of the inner liner slurry comprises the following steps:
(1) weighing vinyl resin, epoxy vinyl ester resin, a curing agent, an accelerator, glycerol, softening oil, titanium dioxide powder, zeolite powder, talcum powder, ferric oxide, a binder and water according to the proportion of the lining layer slurry;
(2) adding the titanium dioxide powder, the zeolite powder and the talcum powder into glycerol, and stirring for 30-40 minutes under a high-speed stirrer with the speed of 800-;
(3) mixing iron oxide and softening oil, stirring for 20-30 minutes under a 700-1800 r/min high-speed stirrer, adding vinyl resin, a binder and 1/3 water, stirring for 10-20 minutes, adding the mixture reacted in the step (2), and stirring for 30-40 minutes under a 1500-1800r/min high-speed stirrer;
(4) adding the mixed material obtained in the step (3) into a melting device, heating the material, extruding the heated material out of the device, and cooling the extruded material to 50-60 ℃;
(5) stirring epoxy vinyl ester resin, a curing agent, an accelerator and 2/3 water for 50-60 minutes, and then sending the mixed solution into an automatic guniting machine;
(6) uniformly spreading the mixture melted in the step (4) on a screen, uniformly spraying the mixed solution generated in the step (5) to the outer side of the mixture, standing the sprayed mixture for 50-60 minutes, and collecting the residual mixed solution at the lower end of the screen;
(7) drying the mixture generated in the step (6) at 90-100 ℃, then putting the mixture into a grinding device for grinding, and putting the ground mixture into a screening device for screening;
(8) and (4) adding the mixture screened in the step (7) into the mixed solution remained after the reaction in the step (6), and stirring for 90-100 minutes at 90-99 ℃ to obtain the lining layer slurry.
As a modification of the present invention, the reaction temperature of the melting device in the step (4) is 110-115 ℃.
As an improvement of the invention, the reinforced slurry is prepared from the following raw materials in parts by weight: 70-90 parts of epoxy vinyl ester resin, 8-13 parts of magnesium oxide, 15-19 parts of sawdust, 4-8 parts of curing agent, 3-6 parts of diluent and 10-20 parts of ethylene glycol monostearate.
As an improvement of the present invention, the curing agent is 4,4' -diaminodiphenyl sulfone; the diluent is xylene.
As an improvement of the invention, the preparation process of the reinforced slurry comprises the following steps: mixing magnesium oxide and sawdust to obtain mixed powder, adding diluent, heating to 30-35 deg.C, and stirring for 17-30min to obtain primary mixed solution; adding epoxy vinyl ester resin into the primary mixed solution, heating to 50-55 ℃, and stirring for 11-18 min; adding ethylene glycol monostearate, keeping the temperature, and continuously stirring for 48-60min to obtain primary reinforced slurry; and (3) stirring and refluxing the primary reinforced slurry in a water bath at the temperature of 40-45 ℃ for 7-10 minutes, cooling and standing to 30-32 ℃, adding a curing agent, stirring for 4-6 minutes, and electrifying for 7-9 hours to obtain the reinforced slurry.
As an improvement of the invention, the preparation method of the rectangular winding glass fiber reinforced plastic comprises the following steps:
1) preparation of slurry:
respectively preparing lining layer slurry and reinforcing slurry;
2) preparing rectangular winding glass fiber reinforced plastic:
a) after the mould is polished and polished, the mould is cleaned and wiped, and then the mould after being wiped is waxed;
b) preprocessing the gridding cloth layer;
c) placing the pretreated gridding cloth layer on a mould, placing the mould in a heat preservation box at 40-50 ℃, placing the mould for 30-40 minutes, coating a layer of lining layer slurry on the gridding cloth layer, and adhering a glass fiber surface felt layer on the gridding cloth layer;
d) winding the long-cut glass fiber soaked through the toughening slurry on a mould in a circumferential winding mode, placing the wound mould at 20-30 ℃ for 20-23 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
e) winding the chopped glass fiber soaked through the reinforcing slurry on a mould in a circumferential winding mode, placing the wound mould at 30-40 ℃ for 10-15 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
f) winding the coarse gauze soaked through the enhanced sizing agent on a mould in a cross way from the middle to two ends, placing the wound mould at 45-48 ℃ for 20-25 minutes, and sticking the alkali-free cloth soaked through the enhanced sizing agent on a winding layer;
g) putting the mould into a heat preservation box with the temperature of 50-60 ℃ for heat preservation for 20-25 minutes, sequentially coating protective slurry, glass steel wire cloth, protective slurry and polyester surface felt, placing the mould at the temperature of 90-100 ℃ for 2-3 hours, and then placing the mould into a curing chamber with the temperature of 140-155 ℃ for 1-2 hours to obtain the product.
As an improvement of the present invention, the step of pretreating the mesh fabric layer comprises:
1) soaking the mesh fabric layer in water for 0.2-0.5h, and taking out;
2) soaking the taken out gridding cloth layer in a toluene solution, soaking for 6-7min at 20-25 ℃, and taking out;
3) soaking the gridding cloth obtained in the step 2) in the slurry of the inner liner layer at the temperature of 60-65 ℃ for 10-15min, taking out, wrapping the surface of the gridding cloth with a plastic film, standing for 3-5 days under natural conditions, and taking out the gridding cloth layer;
4) placing the inner liner slurry into a high-pressure injection device, spraying the outer side of the gridding cloth layer, standing for 40-50 minutes after the spraying is finished, placing the gridding cloth layer into a roller type hot press, and carrying out hot pressing on the gridding cloth layer; placing the hot-pressed gridding cloth layer into a heating device for heating for 5-6 minutes, and standing the gridding cloth layer for 30-40 minutes at normal temperature;
5) wrapping the gridding cloth layer obtained in the step 4) by using a plastic film, placing for 1-3 days at the temperature of 36-40 ℃, taking off the gridding cloth layer, washing with water, placing in a drying device after washing with water is completed, and drying for 20-30min at the temperature of 90-100 ℃ to obtain the preprocessed gridding cloth layer.
Compared with the prior art, the invention has the following beneficial effects because the technology is adopted:
the invention discloses a rectangular winding glass fiber reinforced plastic, which is manufactured by adopting a continuous winding process technology, wherein the glass fiber reinforced plastic is sequentially provided with a glass fiber reinforced plastic lining layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer from inside to outside, and the interlayer bonding strength is high, so that the glass fiber reinforced plastic pipe has stronger integral strength and rigidity; meanwhile, the glass steel tube has strong corrosion resistance and flexibility, and the service life of the glass steel tube can reach more than 60 years;
the glass fiber reinforced plastic produced by the invention has light weight, and the average specific gravity is about 36 percent lower than that of the common glass fiber reinforced plastic; the glass fiber reinforced plastic produced by the invention has high strength, greatly improved circumferential tensile strength and axial tensile strength, and good heat resistance. The heat resistance of the glass fiber reinforced plastic produced by the invention is 157-163 ℃; the annular tensile strength is 295 and 298 Mpa; bending strength 130-; barkel hardness of 48-58N/mm2(ii) a Axial tensile strength of 155-160 MPa; axial bending strength 139-145 MPa; the elongation at break is 1.3-1.4%.
Detailed Description
The present invention will be further illustrated with reference to the following specific embodiments.
Example 1:
a rectangular winding glass fiber reinforced plastic is sequentially provided with a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer from inside to outside, wherein the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer and a glass fiber surface felt layer which are formed by soaking and bonding inner liner slurry, the glass fiber reinforced plastic winding layer is formed by combining a plurality of winding layers and alkali-free cloth in a vertically staggered mode at intervals, and the glass fiber reinforced plastic external protection layer comprises glass steel wire cloth and a polyester surface felt which are formed by soaking and bonding protective slurry; the winding layer comprises long-cut glass fibers soaked through toughening slurry, chopped glass fibers soaked through reinforcing slurry and coarse gauze soaked through reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry.
The inner liner slurry is prepared from the following raw materials in parts by weight: 80 parts of vinyl resin, 80 parts of epoxy vinyl ester resin, 5 parts of curing agent, 6 parts of accelerator, 20 parts of glycerol, 16 parts of softening oil, 6 parts of titanium dioxide powder, 7 parts of zeolite powder, 2 parts of talcum powder, 5 parts of ferric oxide, 1 part of binder and 110 parts of water. The curing agent is a mixture of dibenzoyl peroxide and cyclohexanone peroxide, and the mass ratio of the dibenzoyl peroxide to the cyclohexanone peroxide is 3: 2; the accelerant is a mixture of cobalt naphthenate and cobalt naphthoate, and the mass ratio of the cobalt naphthenate to the cobalt naphthoate is 1: 7.
The production process of the lining layer slurry comprises the following steps:
(1) weighing vinyl resin, epoxy vinyl ester resin, a curing agent, an accelerator, glycerol, softening oil, titanium dioxide powder, zeolite powder, talcum powder, ferric oxide, a binder and water according to the proportion of the lining layer slurry;
(2) adding the titanium dioxide powder, the zeolite powder and the talcum powder into glycerol, and stirring for 40 minutes under a high-speed stirrer at the speed of 800 r/min;
(3) mixing iron oxide and softening oil, stirring for 30 minutes in a 700r/min high-speed stirrer, adding vinyl resin, a binder and 1/3 water, stirring for 10 minutes, adding the mixture obtained after the reaction in the step (2), and stirring for 30 minutes in an 1800r/min high-speed stirrer;
(4) adding the mixed material obtained in the step (3) into a melting device, heating the material, extruding the heated material out of the device, and cooling the extruded material to 60 ℃; the reaction temperature of the melting device is 110 ℃;
(5) stirring epoxy vinyl ester resin, a curing agent, an accelerator and 2/3 water for 60 minutes, and then sending the mixed solution into an automatic guniting machine;
(6) uniformly spreading the mixture melted in the step (4) on a screen, uniformly spraying the mixed solution generated in the step (5) to the outer side of the mixture, standing the sprayed mixture for 50 minutes, and collecting the residual mixed solution at the lower end of the screen;
(7) drying the mixture generated in the step (6) at 100 ℃, then putting the mixture into a grinding device for grinding, and putting the ground mixture into a screening device for screening;
(8) and (4) adding the mixture screened in the step (7) into the mixed solution remained after the reaction in the step (6), and stirring for 100 minutes at 90 ℃ to obtain the inner liner slurry.
The protective slurry is prepared from the following raw materials in parts by weight: 75 parts of triphenyl phosphite, UV-910 parts of ultraviolet light absorbent, 5 parts of curing agent and 4 parts of antioxidant. The curing agent is a mixture of cyclohexanone peroxide and methyl ethyl ketone peroxide, and the mass ratio of the cyclohexanone peroxide to the methyl ethyl ketone peroxide is 3: 5; the antioxidant is a mixture of phosphite antioxidant and 2, 6-di-tert-butyl-p-phenol, and the mass ratio of the phosphite antioxidant to the 2, 6-di-tert-butyl-p-phenol is 3: 1.
The toughening slurry is prepared from the following raw materials in parts by weight: 44 parts of vinyl resin, 72 parts of propylene glycol, 13 parts of paraffin and 2 parts of curing agent. The curing agent is benzoyl peroxide tert-butyl ester.
The reinforced slurry is prepared from the following raw materials in parts by weight: 80 parts of epoxy vinyl ester resin, 10 parts of magnesium oxide, 17 parts of sawdust, 7 parts of curing agent, 3 parts of diluent and 15 parts of ethylene glycol monostearate. The curing agent is 4,4' -diamino diphenyl sulfone; the diluent is xylene.
The preparation process of the reinforced slurry comprises the following steps: mixing magnesium oxide and sawdust to obtain mixed powder, adding diluent, heating to 30 deg.C, and stirring for 30min to obtain primary mixed solution; adding epoxy vinyl ester resin into the primary mixed solution, heating to 50 ℃, and stirring for 18 min; adding ethylene glycol monostearate, keeping the temperature, and continuously stirring for 48min to obtain primary reinforced slurry; stirring and refluxing the primary reinforced slurry in a water bath at 42 ℃ for 8 minutes, cooling and standing to 31 ℃, adding a curing agent, stirring for 4min, and electrifying for 8 hours to obtain the reinforced slurry.
A preparation method of rectangular winding glass fiber reinforced plastic comprises the following steps:
1) preparation of slurry:
preparing lining layer slurry according to the proportion of the lining layer slurry;
preparing protective slurry according to the proportion of the protective slurry;
preparing toughening slurry according to the proportion of the toughening slurry;
preparing reinforced slurry according to the proportion of the reinforced slurry;
2) preparing rectangular winding glass fiber reinforced plastic:
a) after the mould is polished and polished, the mould is cleaned and wiped, and then the mould after being wiped is waxed;
b) preprocessing the gridding cloth layer;
c) placing the pretreated gridding cloth layer on a mould, placing the mould in a heat preservation box at 50 ℃, after placing for 30 minutes, coating a layer of lining layer slurry on the gridding cloth layer, and adhering a glass fiber surface felt layer on the gridding cloth layer;
d) winding the long-cut glass fiber soaked through the toughening slurry on a mould in a circumferential winding mode, placing the wound mould at 30 ℃ for 20 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
e) winding the chopped glass fiber soaked through the reinforced slurry on a mould in a circumferential winding mode, placing the wound mould at 30 ℃ for 15 minutes, and adhering the alkali-free cloth soaked through the reinforced slurry on a winding layer;
f) winding the coarse gauze soaked through the enhanced sizing agent on a mould in a cross way from the middle to two ends, placing the wound mould at 45 ℃ for 25 minutes, and sticking the alkali-free cloth soaked through the enhanced sizing agent on a winding layer;
g) putting the mould into a 55 ℃ incubator for heat preservation for 20 minutes, sequentially coating protective slurry, glass steel wire cloth, protective slurry and polyester surface felt, placing the mould at 90 ℃ for 2 hours, and then placing the mould into a 155 ℃ curing chamber for 1 hour to obtain the product.
The mesh fabric layer is pretreated, and the steps are as follows:
1) soaking the gridding cloth layer in water for 0.4h and then taking out;
2) soaking the taken out gridding cloth layer in a toluene solution, soaking for 6min at 23 ℃, and taking out;
3) soaking the gridding cloth obtained in the step 2) in the slurry of the inner liner at 63 ℃ for 10min, taking out, wrapping the surface of the gridding cloth with a plastic film, standing for 5 days under natural conditions, and taking out the gridding cloth layer;
4) placing the inner liner slurry into a high-pressure injection device, spraying the outer side of the gridding cloth layer, standing for 40 minutes after the spraying is finished, placing the gridding cloth layer into a roller type hot press, and carrying out hot pressing on the gridding cloth layer; placing the hot-pressed gridding cloth layer into a heating device to be heated for 5 minutes, and standing the gridding cloth layer for 36 minutes at normal temperature;
5) wrapping the gridding cloth layer obtained in the step 4) by using a plastic film, placing the gridding cloth layer at the temperature of 36 ℃ for 2 days, taking off the gridding cloth layer, washing the gridding cloth layer with water, placing the gridding cloth layer in a drying device after the washing with water is finished, and drying the gridding cloth layer at the temperature of 90 ℃ for 28min to obtain the preprocessed gridding cloth layer.
Example 2:
a rectangular winding glass fiber reinforced plastic is sequentially provided with a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer from inside to outside, wherein the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer and a glass fiber surface felt layer which are formed by soaking and bonding inner liner slurry, the glass fiber reinforced plastic winding layer is formed by combining a plurality of winding layers and alkali-free cloth in a vertically staggered mode at intervals, and the glass fiber reinforced plastic external protection layer comprises glass steel wire cloth and a polyester surface felt which are formed by soaking and bonding protective slurry; the winding layer comprises long-cut glass fibers soaked through toughening slurry, chopped glass fibers soaked through reinforcing slurry and coarse gauze soaked through reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry.
The inner liner slurry is prepared from the following raw materials in parts by weight: 90 parts of vinyl resin, 60 parts of epoxy vinyl ester resin, 10 parts of curing agent, 2 parts of accelerator, 30 parts of glycerol, 10 parts of softening oil, 9 parts of titanium dioxide powder, 4 parts of zeolite powder, 4 parts of talcum powder, 3 parts of ferric oxide, 2 parts of binder and 90 parts of water. The curing agent is a mixture of dibenzoyl peroxide and cyclohexanone peroxide, and the mass ratio of the dibenzoyl peroxide to the cyclohexanone peroxide is 3: 2; the accelerant is a mixture of cobalt naphthenate and cobalt naphthoate, and the mass ratio of the cobalt naphthenate to the cobalt naphthoate is 1: 7.
The production process of the lining layer slurry comprises the following steps:
(1) weighing vinyl resin, epoxy vinyl ester resin, a curing agent, an accelerator, glycerol, softening oil, titanium dioxide powder, zeolite powder, talcum powder, ferric oxide, a binder and water according to the proportion of the lining layer slurry;
(2) adding glycerol into titanium dioxide powder, zeolite powder and talcum powder, and stirring for 30 minutes in a high-speed stirrer at the speed of 1000 r/min;
(3) mixing iron oxide and softening oil, stirring for 20 minutes in a high-speed stirrer at 900r/min, adding vinyl resin, a binder and 1/3 water, stirring for 20 minutes, adding the mixture obtained after the reaction in the step (2), and stirring for 40 minutes in a high-speed stirrer at 1500 r/min;
(4) adding the mixed material obtained in the step (3) into a melting device, heating the material, extruding the heated material out of the device, and cooling the extruded material to 50 ℃; the reaction temperature of the melting device was 115 ℃;
(5) stirring epoxy vinyl ester resin, a curing agent, an accelerator and 2/3 water for 50 minutes, and then sending the mixed solution into an automatic guniting machine;
(6) uniformly spreading the mixture melted in the step (4) on a screen, uniformly spraying the mixed solution generated in the step (5) to the outer side of the mixture, standing the sprayed mixture for 60 minutes, and collecting the residual mixed solution at the lower end of the screen;
(7) drying the mixture generated in the step (6) at 90 ℃, then putting the mixture into a grinding device for grinding, and putting the ground mixture into a screening device for screening;
(8) and (4) adding the mixture sieved in the step (7) into the mixed solution remained after the reaction in the step (6), and stirring for 90 minutes at 99 ℃ to obtain the inner liner slurry.
The protective slurry is prepared from the following raw materials in parts by weight: 60 parts of triphenyl phosphite, UV-910 parts of ultraviolet light absorbent, 3 parts of curing agent and 5 parts of antioxidant. The curing agent is a mixture of cyclohexanone peroxide and methyl ethyl ketone peroxide, and the mass ratio of the cyclohexanone peroxide to the methyl ethyl ketone peroxide is 3: 5; the antioxidant is a mixture of phosphite antioxidant and 2, 6-di-tert-butyl-p-phenol, and the mass ratio of the phosphite antioxidant to the 2, 6-di-tert-butyl-p-phenol is 3: 1.
The toughening slurry is prepared from the following raw materials in parts by weight: 30 parts of vinyl resin, 80 parts of propylene glycol, 10 parts of paraffin and 3 parts of curing agent. The curing agent is benzoyl peroxide tert-butyl ester.
The reinforced slurry is prepared from the following raw materials in parts by weight: 70 parts of epoxy vinyl ester resin, 13 parts of magnesium oxide, 15 parts of sawdust, 8 parts of curing agent, 3 parts of diluent and 20 parts of ethylene glycol monostearate. The curing agent is 4,4' -diamino diphenyl sulfone; the diluent is xylene.
The preparation process of the reinforced slurry comprises the following steps: mixing magnesium oxide and sawdust to obtain mixed powder, adding diluent, heating to 30 deg.C, and stirring for 30min to obtain primary mixed solution; adding epoxy vinyl ester resin into the primary mixed solution, heating to 50 ℃, and stirring for 18 min; adding ethylene glycol monostearate, keeping the temperature, and continuously stirring for 48min to obtain primary reinforced slurry; stirring and refluxing the primary reinforced slurry in a water bath at 45 ℃ for 7 minutes, cooling and standing to 32 ℃, adding a curing agent, stirring for 4min, and electrifying for 9 hours to obtain the reinforced slurry.
A preparation method of rectangular winding glass fiber reinforced plastic comprises the following steps:
1) preparation of slurry:
preparing lining layer slurry according to the proportion of the lining layer slurry;
preparing protective slurry according to the proportion of the protective slurry;
preparing toughening slurry according to the proportion of the toughening slurry;
preparing reinforced slurry according to the proportion of the reinforced slurry;
2) preparing rectangular winding glass fiber reinforced plastic:
a) after the mould is polished and polished, the mould is cleaned and wiped, and then the mould after being wiped is waxed;
b) preprocessing the gridding cloth layer;
c) placing the pretreated gridding cloth layer on a mold, placing the mold in a heat preservation box at 40 ℃, after placing for 40 minutes, coating a layer of lining layer slurry on the gridding cloth layer, and adhering a glass fiber surface felt layer on the gridding cloth layer;
d) winding the long-cut glass fiber soaked through the toughening slurry on a mould in a circumferential winding mode, placing the wound mould at 20 ℃ for 23 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
e) winding the chopped glass fiber soaked through the reinforced slurry on a mould in a circumferential winding mode, placing the wound mould at 30 ℃ for 15 minutes, and adhering the alkali-free cloth soaked through the reinforced slurry on a winding layer;
f) winding the coarse gauze soaked through the enhanced sizing agent on a mould in a cross way from the middle to two ends, placing the wound mould at 48 ℃ for 20 minutes, and sticking the alkali-free cloth soaked through the enhanced sizing agent on a winding layer;
g) putting the mould into a 60 ℃ incubator for heat preservation for 20 minutes, sequentially coating protective slurry, glass steel wire cloth, protective slurry and polyester surface felt, placing the mould at 100 ℃ for 2 hours, and then placing the mould into a 155 ℃ curing chamber for 1 hour to obtain the product.
The mesh fabric layer is pretreated, and the steps are as follows:
1) soaking the gridding cloth layer in water for 0.5h and then taking out;
2) soaking the taken out gridding cloth layer in a toluene solution, and taking out after soaking for 7min at 20 ℃;
3) soaking the gridding cloth obtained in the step 2) in the lining layer slurry, taking out after soaking for 15min at the temperature of 60 ℃, wrapping the surface of the gridding cloth by using a plastic film, standing for 3 days under natural conditions, and taking out the gridding cloth layer;
4) placing the inner liner slurry into a high-pressure injection device, spraying the outer side of the gridding cloth layer, standing for 50 minutes after the spraying is finished, placing the gridding cloth layer into a roller type hot press, and carrying out hot pressing on the gridding cloth layer; placing the hot-pressed gridding cloth layer into a heating device to be heated for 5 minutes, and standing the gridding cloth layer for 40 minutes at normal temperature;
5) wrapping the gridding cloth layer obtained in the step 4) by using a plastic film, placing the gridding cloth layer at the temperature of 36 ℃ for 3 days, taking off the gridding cloth layer, washing the gridding cloth layer with water, placing the gridding cloth layer in a drying device after the washing with water is finished, and drying the gridding cloth layer at the temperature of 90 ℃ for 30min to obtain the preprocessed gridding cloth layer.
Example 3:
a rectangular winding glass fiber reinforced plastic is sequentially provided with a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer from inside to outside, wherein the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer and a glass fiber surface felt layer which are formed by soaking and bonding inner liner slurry, the glass fiber reinforced plastic winding layer is formed by combining a plurality of winding layers and alkali-free cloth in a vertically staggered mode at intervals, and the glass fiber reinforced plastic external protection layer comprises glass steel wire cloth and a polyester surface felt which are formed by soaking and bonding protective slurry; the winding layer comprises long-cut glass fibers soaked through toughening slurry, chopped glass fibers soaked through reinforcing slurry and coarse gauze soaked through reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry.
The inner liner slurry is prepared from the following raw materials in parts by weight: 88 parts of vinyl resin, 70 parts of epoxy vinyl ester resin, 5 parts of curing agent, 4 parts of accelerator, 25 parts of glycerol, 13 parts of softening oil, 7 parts of titanium dioxide powder, 7 parts of zeolite powder, 3 parts of talcum powder, 3 parts of ferric oxide, 2 parts of binder and 100 parts of water. The curing agent is a mixture of dibenzoyl peroxide and cyclohexanone peroxide, and the mass ratio of the dibenzoyl peroxide to the cyclohexanone peroxide is 3: 2; the accelerant is a mixture of cobalt naphthenate and cobalt naphthoate, and the mass ratio of the cobalt naphthenate to the cobalt naphthoate is 1: 7.
The production process of the lining layer slurry comprises the following steps:
(1) weighing vinyl resin, epoxy vinyl ester resin, a curing agent, an accelerator, glycerol, softening oil, titanium dioxide powder, zeolite powder, talcum powder, ferric oxide, a binder and water according to the proportion of the lining layer slurry;
(2) adding the titanium dioxide powder, the zeolite powder and the talcum powder into glycerol, and stirring for 35 minutes under a high-speed stirrer at the speed of 900 r/min;
(3) mixing iron oxide and softening oil, stirring for 30 minutes in a 700r/min high-speed stirrer, adding vinyl resin, a binder and 1/3 water, stirring for 10 minutes, adding the mixture obtained after the reaction in the step (2), and stirring for 30 minutes in an 1800r/min high-speed stirrer;
(4) adding the mixed material obtained in the step (3) into a melting device, heating the material, extruding the heated material out of the device, and cooling the extruded material to 55 ℃; the reaction temperature of the melting device is 110 ℃;
(5) stirring epoxy vinyl ester resin, a curing agent, an accelerator and 2/3 water for 60 minutes, and then sending the mixed solution into an automatic guniting machine;
(6) uniformly spreading the mixture melted in the step (4) on a screen, uniformly spraying the mixed solution generated in the step (5) to the outer side of the mixture, standing the sprayed mixture for 50 minutes, and collecting the residual mixed solution at the lower end of the screen;
(7) drying the mixture generated in the step (6) at 98 ℃, then putting the mixture into a grinding device for grinding, and putting the ground mixture into a screening device for screening;
(8) and (4) adding the mixture screened in the step (7) into the mixed solution remained after the reaction in the step (6), and stirring for 100 minutes at 90 ℃ to obtain the inner liner slurry.
The protective slurry is prepared from the following raw materials in parts by weight: 80 parts of triphenyl phosphite, 96 parts of ultraviolet light absorber UV-96 parts, 6 parts of curing agent and 2 parts of antioxidant. The curing agent is a mixture of cyclohexanone peroxide and methyl ethyl ketone peroxide, and the mass ratio of the cyclohexanone peroxide to the methyl ethyl ketone peroxide is 3: 5; the antioxidant is a mixture of phosphite antioxidant and 2, 6-di-tert-butyl-p-phenol, and the mass ratio of the phosphite antioxidant to the 2, 6-di-tert-butyl-p-phenol is 3: 1.
The toughening slurry is prepared from the following raw materials in parts by weight: 50 parts of vinyl resin, 60 parts of propylene glycol, 15 parts of paraffin and 1 part of curing agent. The curing agent is benzoyl peroxide tert-butyl ester.
The reinforced slurry is prepared from the following raw materials in parts by weight: 89 parts of epoxy vinyl ester resin, 11 parts of magnesium oxide, 17 parts of sawdust, 7 parts of curing agent, 5 parts of diluent and 18 parts of ethylene glycol monostearate. The curing agent is 4,4' -diamino diphenyl sulfone; the diluent is xylene.
The preparation process of the reinforced slurry comprises the following steps: mixing magnesium oxide and sawdust to obtain mixed powder, adding diluent, heating to 34 deg.C, and stirring for 28min to obtain primary mixed solution; adding epoxy vinyl ester resin into the primary mixed solution, heating to 54 ℃, and stirring for 17 min; adding ethylene glycol monostearate, keeping the temperature, and continuously stirring for 58min to obtain primary reinforced slurry; stirring and refluxing the primary reinforced slurry in a water bath at 43 ℃ for 7 minutes, cooling and standing to 32 ℃, adding a curing agent, stirring for 6min, and electrifying for 9 hours to obtain the reinforced slurry.
A preparation method of rectangular winding glass fiber reinforced plastic comprises the following steps:
1) preparation of slurry:
preparing lining layer slurry according to the proportion of the lining layer slurry;
preparing protective slurry according to the proportion of the protective slurry;
preparing toughening slurry according to the proportion of the toughening slurry;
preparing reinforced slurry according to the proportion of the reinforced slurry;
2) preparing rectangular winding glass fiber reinforced plastic:
a) after the mould is polished and polished, the mould is cleaned and wiped, and then the mould after being wiped is waxed;
b) preprocessing the gridding cloth layer;
c) placing the pretreated gridding cloth layer on a mould, placing the mould in a heat preservation box at 50 ℃, after placing for 30 minutes, coating a layer of lining layer slurry on the gridding cloth layer, and adhering a glass fiber surface felt layer on the gridding cloth layer;
d) winding the long-cut glass fiber soaked through the toughening slurry on a mould in a circumferential winding mode, placing the wound mould at 30 ℃ for 20 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
e) winding the chopped glass fiber soaked through the reinforcing slurry on a mould in a circumferential winding mode, placing the wound mould at 40 ℃ for 10 minutes, and adhering the alkali-free cloth soaked through the reinforcing slurry on a winding layer;
f) winding the coarse gauze soaked through the enhanced sizing agent on a mould in a cross way from the middle to two ends, placing the wound mould at 48 ℃ for 20 minutes, and sticking the alkali-free cloth soaked through the enhanced sizing agent on a winding layer;
g) putting the mould into a 60 ℃ incubator for heat preservation for 20 minutes, sequentially coating protective slurry, glass steel wire cloth, protective slurry and polyester surface felt, placing the mould at 100 ℃ for 2 hours, and then placing the mould into a 155 ℃ curing chamber for 1 hour to obtain the product.
The mesh fabric layer is pretreated, and the steps are as follows:
1) soaking the gridding cloth layer in water for 0.5h and then taking out;
2) soaking the taken out gridding cloth layer in a toluene solution, soaking for 7min at 25 ℃, and taking out;
3) soaking the gridding cloth obtained in the step 2) in the lining layer slurry, taking out after soaking for 15min at the temperature of 60 ℃, wrapping the surface of the gridding cloth by using a plastic film, standing for 3 days under natural conditions, and taking out the gridding cloth layer;
4) placing the inner liner slurry into a high-pressure injection device, spraying the outer side of the gridding cloth layer, standing for 50 minutes after the spraying is finished, placing the gridding cloth layer into a roller type hot press, and carrying out hot pressing on the gridding cloth layer; placing the hot-pressed gridding cloth layer into a heating device to be heated for 6 minutes, and standing the gridding cloth layer for 30 minutes at normal temperature;
5) wrapping the gridding cloth layer obtained in the step 4) by using a plastic film, placing for 1 day at the temperature of 40 ℃, taking off the gridding cloth layer, washing with water, placing in a drying device after washing with water, and drying for 20min at the temperature of 100 ℃ to obtain the preprocessed gridding cloth layer.
The properties of the rectangular wound glass fiber reinforced plastics produced in examples 1 to 3 were measured.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, and equivalents including technical features of the claims, i.e., equivalent modifications within the scope of the present invention.

Claims (9)

1. A rectangular winding glass fiber reinforced plastic is characterized in that: the glass fiber reinforced plastic composite material is characterized in that a glass fiber reinforced plastic inner liner layer, a glass fiber reinforced plastic winding layer and a glass fiber reinforced plastic external protection layer are sequentially arranged on the glass fiber reinforced plastic from inside to outside, the glass fiber reinforced plastic inner liner layer comprises a grid cloth layer and a glass fiber surface felt layer, the glass fiber surface felt layer is formed by soaking and bonding inner liner slurry, the glass fiber reinforced plastic winding layer is formed by combining a plurality of winding layers and alkali-free cloth in a vertically staggered mode at intervals, and the glass fiber reinforced plastic external protection layer comprises glass fiber cloth and polyester surface felt, and the; the winding layer comprises long-cut glass fibers soaked through toughening slurry, chopped glass fibers soaked through reinforcing slurry and coarse gauze soaked through reinforcing slurry, and the winding layer is formed by spinning and winding; the alkali-free cloth is the alkali-free cloth soaked by the enhanced slurry.
2. The rectangular wound glass reinforced plastic of claim 1, wherein: the mesh fabric layer is pretreated, and the steps are as follows:
1) soaking the mesh fabric layer in water for 0.2-0.5h, and taking out;
2) soaking the taken out gridding cloth layer in a toluene solution, soaking for 6-7min at 20-25 ℃, and taking out;
3) soaking the gridding cloth obtained in the step 2) in the slurry of the inner liner layer at the temperature of 60-65 ℃ for 10-15min, taking out, wrapping the surface of the gridding cloth with a plastic film, standing for 3-5 days under natural conditions, and taking out the gridding cloth layer;
4) placing the inner liner slurry into a high-pressure injection device, spraying the outer side of the gridding cloth layer, standing for 40-50 minutes after the spraying is finished, placing the gridding cloth layer into a roller type hot press, and carrying out hot pressing on the gridding cloth layer; placing the hot-pressed gridding cloth layer into a heating device for heating for 5-6 minutes, and standing the gridding cloth layer for 30-40 minutes at normal temperature;
5) wrapping the gridding cloth layer obtained in the step 4) by using a plastic film, placing for 1-3 days at the temperature of 36-40 ℃, taking off the gridding cloth layer, washing with water, placing in a drying device after washing with water is completed, and drying for 20-30min at the temperature of 90-100 ℃ to obtain the preprocessed gridding cloth layer.
3. The rectangular wound glass reinforced plastic according to claim 1 or 2, wherein: the inner liner slurry is prepared from the following raw materials in parts by weight: 80-90 parts of vinyl resin, 60-80 parts of epoxy vinyl ester resin, 5-10 parts of curing agent, 2-6 parts of accelerator, 20-30 parts of glycerol, 10-16 parts of softening oil, 6-9 parts of titanium dioxide powder, 4-7 parts of zeolite powder, 2-4 parts of talcum powder, 3-5 parts of ferric oxide, 1-2 parts of binder and 90-110 parts of water.
4. The rectangular wound glass reinforced plastic of claim 3, wherein: the curing agent is a mixture of dibenzoyl peroxide and cyclohexanone peroxide, and the mass ratio of the dibenzoyl peroxide to the cyclohexanone peroxide is 3: 2; the accelerant is a mixture of cobalt naphthenate and cobalt naphthoate, and the mass ratio of the cobalt naphthenate to the cobalt naphthoate is 1: 7.
5. The rectangular wound glass fiber reinforced plastic of claim 3, wherein the production process of the inner liner slurry comprises the following steps:
(1) weighing vinyl resin, epoxy vinyl ester resin, a curing agent, an accelerator, glycerol, softening oil, titanium dioxide powder, zeolite powder, talcum powder, ferric oxide, a binder and water according to the proportion of the lining layer slurry;
(2) adding the titanium dioxide powder, the zeolite powder and the talcum powder into glycerol, and stirring for 30-40 minutes under a high-speed stirrer with the speed of 800-;
(3) mixing iron oxide and softening oil, stirring for 20-30 minutes under a 700-1800 r/min high-speed stirrer, adding vinyl resin, a binder and 1/3 water, stirring for 10-20 minutes, adding the mixture reacted in the step (2), and stirring for 30-40 minutes under a 1500-1800r/min high-speed stirrer;
(4) adding the mixed material obtained in the step (3) into a melting device, heating the material, extruding the heated material out of the device, and cooling the extruded material to 50-60 ℃;
(5) stirring epoxy vinyl ester resin, a curing agent, an accelerator and 2/3 water for 50-60 minutes, and then sending the mixed solution into an automatic guniting machine;
(6) uniformly spreading the mixture melted in the step (4) on a screen, uniformly spraying the mixed solution generated in the step (5) to the outer side of the mixture, standing the sprayed mixture for 50-60 minutes, and collecting the residual mixed solution at the lower end of the screen;
(7) drying the mixture generated in the step (6) at 90-100 ℃, then putting the mixture into a grinding device for grinding, and putting the ground mixture into a screening device for screening;
(8) and (4) adding the mixture screened in the step (7) into the mixed solution remained after the reaction in the step (6), and stirring for 90-100 minutes at 90-99 ℃ to obtain the lining layer slurry.
6. The rectangular wound glass reinforced plastic of claim 5, wherein: the reaction temperature of the melting device in the step (4) is 110-115 ℃.
7. The rectangular wound glass reinforced plastic of claim 1, wherein: the reinforced slurry is prepared from the following raw materials in parts by weight: 70-90 parts of epoxy vinyl ester resin, 8-13 parts of magnesium oxide, 15-19 parts of sawdust, 4-8 parts of curing agent, 3-6 parts of diluent and 10-20 parts of ethylene glycol monostearate.
8. The rectangular wound glass reinforced plastic of claim 7, wherein: the curing agent is 4,4' -diamino diphenyl sulfone; the diluent is xylene.
9. The rectangular wound glass reinforced plastic of claim 7, wherein: the preparation process of the reinforced slurry comprises the following steps: mixing magnesium oxide and sawdust to obtain mixed powder, adding diluent, heating to 30-35 deg.C, and stirring for 17-30min to obtain primary mixed solution; adding epoxy vinyl ester resin into the primary mixed solution, heating to 50-55 ℃, and stirring for 11-18 min; adding ethylene glycol monostearate, keeping the temperature, and continuously stirring for 48-60min to obtain primary reinforced slurry; and (3) stirring and refluxing the primary reinforced slurry in a water bath at the temperature of 40-45 ℃ for 7-10 minutes, cooling and standing to 30-32 ℃, adding a curing agent, stirring for 4-6 minutes, and electrifying for 7-9 hours to obtain the reinforced slurry.
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CN204886490U (en) * 2015-08-06 2015-12-16 南通东泰电工器材有限公司 Big conical ring of 1000MW turbo generator winding glass steel stator tip
CN105443877A (en) * 2015-12-15 2016-03-30 江苏申江环境科技有限公司 Corrosion-resistance and flame-retardance type glass steel exhaust pipe
CN107288253A (en) * 2017-06-29 2017-10-24 宜昌绿大州复合材料设备研发有限公司 A kind of fiberglass exterior wall cladding and preparation method thereof

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Publication number Priority date Publication date Assignee Title
EP2154401A2 (en) * 2008-07-17 2010-02-17 Hobas Engineering GmbH Reinforced plastic fibre pipe
CN203836411U (en) * 2013-12-14 2014-09-17 泉州市路通管业科技有限公司 Continuous winding type glass fiber reinforced plastic pressure pipe
CN104405962A (en) * 2014-11-08 2015-03-11 湖南潇湘源科技开发有限责任公司 High-strength glass fiber-reinforced plastic pipeline and production method thereof
CN204886490U (en) * 2015-08-06 2015-12-16 南通东泰电工器材有限公司 Big conical ring of 1000MW turbo generator winding glass steel stator tip
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