CN202702701U - Polyurethane composite square-tube shaped section materials and molding system - Google Patents
Polyurethane composite square-tube shaped section materials and molding system Download PDFInfo
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- CN202702701U CN202702701U CN 201120529487 CN201120529487U CN202702701U CN 202702701 U CN202702701 U CN 202702701U CN 201120529487 CN201120529487 CN 201120529487 CN 201120529487 U CN201120529487 U CN 201120529487U CN 202702701 U CN202702701 U CN 202702701U
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Abstract
The utility model relates to polyurethane composite square-tube shaped section materials and a molding system, wherein the polyurethane composite square-tube shaped section materials are high in intensity, low in proportion, insulated, penetrating in microwave, corrosion resisting and good in heat insulation effects. A skeleton of the square-tube shaped section materials comprises a plurality of glass fiber densely covered layers and a glass fiber blanket. Polyurethane resin is compounded with an inner surface and an outer surface of the square-tube shaped section materials to form the polyurethane composite square-tube shaped section materials. The polyurethane composite square-tube shaped section materials and the molding system have the advantages of being light, high in intensity, energy-saving, heat preserved, heat insulated, healthy, green, environmental, remarkable in energy-saving effects, corrosion resisting, durable in maturing, long in service life, good in size stability, good in weather fastness, not only good in thermostable performance, but also good in low temperature performance resisting, good in insulating property, good in shock absorption performance, abundant in colors, and high in hardness of polyurethane composite materials, and can be coated with different paintings to be manufactured into the section materials with different colors. The polyurethane composite square-tube shaped section materials and the molding system can adapt to uses with different styles and grades, and the polyurethane composite materials are fatigue resisting. The polyurethane composite materials are high in fatigue resistance, and therefore safety performance and reliability of using materials are guaranteed.
Description
Technical field
The utility model relates to a kind of high strength, low-gravity, insulation, thoroughly polyurethane composite square-tube-shaped section and the formation system of microwave, corrosion-resistant and good heat-insulation effect, belongs to section bar manufacturing and the application of composite.
Background technology
At present, the angle steel of selling on the market, i shaped steel, channel-section steel, square steel, H shape steel etc. all adopt metal material to make.Its weak point: the one, than great; The 2nd, heat-proof quality is poor; The 3rd, corrosion-resistant, easy-to-rust.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of high strength, low-gravity, insulation, thoroughly polyurethane composite square-tube-shaped section and the formation system of microwave, corrosion-resistant and good heat-insulation effect.
Design: in order to realize above-mentioned purpose of design.1, adopting polyurethane resin as the selection of the composite of section bar, is one of technical characterictic of the present utility model.The purpose of doing like this is: ⑴ polyurethane resin and other resin-phase ratios, and the advantage of compound polyurethane material: the one, high longitudinal strength; The 2nd, increased glass felt, improved lateral performance; The 3rd, have the highest fiber capacity; The 4th, higher intensity and hardness; The 5th, increased the complexity of parts; The 6th, reduced wall thickness; The 7th, stronger profiled outline can be crossed over larger distance; The 8th, good shock resistance and good mar proof; The 9th, senior accurate manufacturing and fastening significantly improves the screw pull-out strength degree; The tenth, excellent surface smoothness.⑵ have well weather-proof, durability: the one, have fabulous corrosion resistance; The 2nd, low water absorption rate; The 3rd, have better temperature stability; The 4th, have better photostability, aliphatic light stable resin can be arranged.⑶ better economy: the one, reduced cost; The 2nd, content of glass fiber high (also gaining in strength simultaneously); The 3rd, stronger product can support longer span; The 4th, the pultrusion speed of higher production efficiency-has faster improved pile line operation speed.⑷ excellent in flame retardance gives out the cigarette of much less than polyester or vinyl.⑸ environmental protection, environmental friendliness.⑹ produce without peroxide without styrene.2, the design of polyurethane composite material product moulding technique is two of technical characterictic of the present utility model.The purpose of doing like this is: with the pultrude process of traditional unsaturated polyester (UP) glass steel profile shapes be essentially identical, different places be: the mode of ⑴ resin injection is different, and unsaturated polyester resin is to adopt open interpolation; Polyurethane resin is the mode that adopts airtight injection.⑵ between polyurethane syringe case and the goods mould, increase cooling section; In unsaturated polyester (UP) glass steel production technology, be not have cooling frame or cooling section.3, the employing of glass mat is three of technical characterictic of the present utility model.The purpose of doing like this is: because glass mat is to be made of crisscross glass fibre, formed felt not only vertically plays reinforcement, and laterally plays reinforcement, and formed product not only flexing resistance is strong, and fold resistance is good.
Compound polyurethane material has fabulous rigidity and intensity, and Physical and mechanical properties sees attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity factor of compound polyurethane material is 0.219 W/mk, the thermal conductivity factor of aluminium is 237.00 W/mk, the thermal conductivity factor of galvanized steel is 62.000 W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminum is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the non-conductor that compound polyurethane material is heat with galvanized steel with aluminium; Compound polyurethane material has good rigidity and intensity, and fabulous plasticity is arranged again, therefore can design the structure of glass curtain wall profile shapes die cavity according to the specification requirement of glass curtain wall, processes the profile material of various shapes.
Technical scheme 1: polyurethane composite square-tube-shaped section consists of the square-tube-shaped section skeleton by the densely covered layer of multi beam glass fibre and glass mat, compound and formation polyurethane square-tube-shaped section outside polyurethane resin and square-tube-shaped section skeleton are interior.
Technical scheme 2: polyurethane composite square-tube-shaped section formation system, by square-tube-shaped section polyurethane resin injection mold, cooling frame and thermal finalization mould consist of, square-tube-shaped section polyurethane resin injection mold has two imports, the one, for the polyurethane charging aperture and be positioned at square-tube-shaped section polyurethane resin injection mold top, one is the glass fiber bundle import, the import of angle bar section bar polyurethane resin injection mold enters the densely covered layer of bundle glass fibre and glass mat, outlet is communicated with the cooling frame import, the outlet of cooling frame is communicated with the import of thermal finalization mould, and the outlet of thermal finalization mould is square-tube-shaped polyurethane composite material pultrusion outlet.
The utility model is compared with background technology, and the one, high-strength light, the density of glass fiber reinforced plastic shapes is about 2.1, it is lighter 3～4 times than steel, and intensity is very large, its hot strength 450～650MPa, approach with ordinary carbon steel, bending strength is greater than 1200MPa, modulus of elasticity in static bending 48000MPa; The 2nd, energy-saving heat preserving, heat insulation, the compound polyurethane material thermal conductivity factor is 0.219W/mk, only has 1/100～1/1000 of metal, is good heat-insulating material; The 3rd, health, environmental protection, energy-saving effect are remarkable; The 4th, compound polyurethane material does not contain styrene aborning, thereby can not form volatile compound VOC, so environment protection health more; The 5th, compound polyurethane material after testing result meets the index request of construction main body material among the GB6566-2001 " the radioactive material nucleic is limited the quantity of ", assay 0.2, internal radiation index 0.2, external exposure index 0.2; The 5th, corrosion-resistant, ageing-resistant, the life-span is long, looking up with eyes wide open compound polyurethane material together is good resistant material, to acid, alkali, salt and most of organic matter, seawater and humidity have preferably resistivity, effect to microorganism also has resistance, that its this specific character that has especially is fit to be used in is rainy, humidity and coastal area, and the place of the medium that is corrosive; The 6th, good stability of the dimension, the linear expansion coefficient of compound polyurethane material is 5.6 * 10-6/ ℃, is lower than steel and aluminium alloy, is 1/15 of plastics, so the glass good stability; The 7th, weather resisteant is good, and compound polyurethane material belongs to thermosetting plastics, namely forms three-dimensional netted molecular structure after the resin crosslinks, becomes insoluble not melt, also can not melt even be heated.The compound polyurethane material heat distortion temperature is more than 200 ℃, and not only resistance to elevated temperatures is good, and resistance to low temperature is better; The 8th, good insulation preformance, compound polyurethane material is good insulating materials, it is not affected by electromagnetic wave, do not reflect radio wave, microwave is good thoroughly, can bear high voltage and do not damage, so polyurethane composite profile has special purposes to the building of open-air temporay building and communication system; The 9th, damping performance is good, the elastic modelling quantity of compound polyurethane material is 20900, the section bar made from it has higher damping frequency, the combination of resin and fiber interface in the compound polyurethane material, have shock-absorbing and a shock resistance, avoided the in working order early damage that causes of low-resonance of structural member; The tenth, fatigue resistance, the fatigue resistance of compound polyurethane material is very high, thereby guarantees the safety and reliability of materials'use; 11 is that compound polyurethane material has fabulous rigidity and intensity, and Physical and mechanical properties sees attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity factor of compound polyurethane material is 0.219W/mk, the thermal conductivity factor of aluminium is 237.00W/mk, the thermal conductivity factor of galvanized steel is 62.000W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminum is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the non-conductor that compound polyurethane material is heat with galvanized steel with aluminium, because compound polyurethane material has good rigidity and intensity, fabulous plasticity is arranged again, therefore can design the structure of section bar die cavity as requested, process the section bar of various shapes.
Description of drawings
Fig. 1 is the skeleton structure schematic diagram of polyurethane composite square-tube-shaped section.
Fig. 2 is the structural representation of polyurethane composite square-tube-shaped section.
Fig. 3 is the block diagram of polyurethane composite square-tube-shaped section production system.
The specific embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.A kind of polyurethane composite square-tube-shaped section consists of square-tube-shaped section skeleton 1 by the densely covered layer of multi beam glass fibre and glass mat, and polyurethane resin 2 is compound and formation polyurethane square-tube-shaped section with the interior outside of square-tube-shaped section skeleton.Described square-tube-shaped section skeleton 1 interior outside refers to the gather face of layer and glass mat of multi beam glass fibre in the polyurethane resin section bar.That is to say, the forming skeleton 1 of square-tube-shaped section is made of the densely covered layer of bundle glass fibre and glass mat, every glass fibre face during polyurethane resin 2 and multi beam glass fibre consist of fully compound and be compounded with between the glass fibre of polyurethane resin 2 mutually bonding, solidify and consist of required square-tube-shaped section, namely the outside refers to the face of every glass fibre in the polyurethane resin section bar in the described square-tube-shaped section skeleton.Glass fibre in the described square-tube-shaped section skeleton layer that gathers coats a glass mat 101, or 101 of glass mats are equipped with the glass fibre layer that gathers, or glass fibre gather layer and glass mat 101 stack formations.Glass fibre is that 60%-90%, polyurethane resin are 10%-40% in the described polyurethane section bar.
Embodiment 2: with reference to accompanying drawing 3.On the basis of embodiment 1, the formation system of polyurethane composite square-tube-shaped section, by square-tube-shaped section polyurethane resin injection mold 3, cooling frame 5 and thermal finalization mould 6 consist of, square-tube-shaped section polyurethane resin injection mold 3 has two imports, the one, for polyurethane charging aperture 4 and be positioned at section bar polyurethane resin injection mold 3 tops, one is the glass fiber bundle import, the import of square-tube-shaped section polyurethane resin injection mold enters the densely covered layer of multi beam glass fibre and glass mat, outlet is communicated with cooling frame 5 imports, the outlet of cooling frame is communicated with 6 imports of thermal finalization mould, and the outlet of thermal finalization mould is pulled out mouth for polyurethane composite profile.Described thermal finalization mould consisted of by 2 ~ 3 thermals treatment zone and temperature from low to high, the Temperature Setting scope is: 90 ° of C ~ 250 ° C.Described cooling frame is the cooling by water mould, and the temperature of its cooling water is 0 ° of C ~ 25 ° C.The production beginning initial stage, note adjusting and observe the flow that is expelled to the polyurethane resin in the syringe case, glass can be infiltrated fully, notice that polyurethane resin does not overflow syringe case; Observe the situation that goods solidify, note adjusting the temperature of hot-die, and the speed of hauling machine, polyurethane composite square-tube moulding and pultrusion speed are complementary.
Embodiment 1-1: on the basis of embodiment 1 and 2, adopt 35%-40% polyurethane resin and 60%-75% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical and mechanical property are better.
Embodiment 1-2: on the basis of embodiment 1 and 2, adopt 30%-35% polyurethane resin and 65%-70% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical and mechanical property are good.
Embodiment 1-3: on the basis of embodiment 1 and 2, adopt 25%-30% polyurethane resin and 70%-75% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical and mechanical property are better;
Embodiment 1-4: on the basis of embodiment 1 and 2, adopt 20%-25% polyurethane resin and 75%-80% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical and mechanical property are best.
Embodiment 1-5: on the basis of embodiment 1 and 2, adopt 15%-20% polyurethane resin and 80%-85% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of polyurethane square-tube-shaped section, its physical mechanical and good mechanical properties again.
Embodiment 1-6: on the basis of embodiment 1 and 2, adopt 10%-15% polyurethane resin and 85%-90% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical is relative with mechanical property better.
Embodiment 1-7: on the basis of embodiment 1, on the basis of embodiment 1 and 2, adopt 10% polyurethane resin and 90% glass by the formation system of polyurethane composite square-tube-shaped section, both can pultrusion become the densely covered formation of glass fibre square-tube-shaped section skeleton 1, polyurethane resin and the densely covered formation of glass fibre square-tube-shaped section skeleton 1 can be consisted of the polyurethane square-tube-shaped section again, its physical mechanical and mechanical property meet design requirement.
Physical mechanical and the mechanical property of the polyurethane profile shapes of producing according to the above ratio, difference to some extent, its corresponding cost also is different, physical mechanical and the mechanical property of compound polyurethane material are best, simultaneously both economical again, polyurethane resin accounts for 20%, when glass accounts for 80%, and the polyurethane square-tube-shaped section of institute's pultrusion.
Polyurethane resin herein is called for short polyurethane.
Above-mentioned glass refers to glass fibre or glass fibre and glass mat, or carbon fiber, or glass fiber, or the fortifying fibre such as polyster fibre, or metallicity strengthens silk; Above-mentioned glass felt refers to the glass mat fiberglass gridding cloth, or glass fabric or the fabrics such as woven dacron or aramid fiber cloth.
What need to understand is: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (3)
1. a polyurethane composite square-tube-shaped section is characterized in that: consist of the square-tube-shaped section skeleton by the densely covered layer of multi beam glass fibre and glass mat, compound and formation polyurethane square-tube-shaped section outside polyurethane resin and square-tube-shaped section skeleton are interior; The densely covered layer of glass fibre in the described square-tube-shaped section skeleton coats a glass mat, or is equipped with the densely covered layer of glass fibre between glass mat, or the densely covered layer of glass fibre and glass mat stack formation.
2. polyurethane composite square-tube-shaped section according to claim 1 is characterized in that: the outside refers to the gather face of layer and glass mat of multi beam glass fibre in the polyurethane resin section bar in the described square-tube-shaped section skeleton.
3. polyurethane composite square-tube-shaped section formation system as claimed in claim 1, it is characterized in that by square-tube-shaped section polyurethane resin injection mold, cooling frame and thermal finalization mould consist of, square-tube-shaped section polyurethane resin injection mold has two imports, the one, for the polyurethane charging aperture and be positioned at square-tube-shaped section polyurethane resin injection mold top, one is the glass fiber bundle import, the import of angle bar section bar polyurethane resin injection mold enters the densely covered layer of multi beam glass fibre and glass mat, outlet is communicated with the cooling frame import, the outlet of cooling frame is communicated with the import of thermal finalization mould, and the outlet of thermal finalization mould is square-tube-shaped polyurethane composite material pultrusion outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529487 CN202702701U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite square-tube shaped section materials and molding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120529487 CN202702701U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite square-tube shaped section materials and molding system |
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| Publication Number | Publication Date |
|---|---|
| CN202702701U true CN202702701U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120529487 Expired - Fee Related CN202702701U (en) | 2011-12-17 | 2011-12-17 | Polyurethane composite square-tube shaped section materials and molding system |
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| CN (1) | CN202702701U (en) |
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2011
- 2011-12-17 CN CN 201120529487 patent/CN202702701U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20141217 |
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| EXPY | Termination of patent right or utility model |