CN102174982A - Polyurethane composite profile and forming method - Google Patents
Polyurethane composite profile and forming method Download PDFInfo
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- CN102174982A CN102174982A CN2010106049155A CN201010604915A CN102174982A CN 102174982 A CN102174982 A CN 102174982A CN 2010106049155 A CN2010106049155 A CN 2010106049155A CN 201010604915 A CN201010604915 A CN 201010604915A CN 102174982 A CN102174982 A CN 102174982A
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- section bar
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- polyurethane resin
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Abstract
The invention relates to a polyurethane composite profile consisting of polyurethane resin and glass fibers and a forming method. The polyurethane composite profile comprises the glass fibers, multiple bundles of glass fibers are densely distributed to form a profile skeleton, and the polyurethane resin is compounded with the inner and outer sides of the profile skeleton to form the polyurethane profile. The polyurethane composite profile has the advantages that: 1, the profile has light weight and high strength; 2, the profile has energy conservation and heat insulation; 3, the profile is healthy and environment-friendly, and has remarkable energy-saving effect; 4, the profile has corrosion resistance, ageing resistance and long life; 5, the profile has good dimensional stability; 6, the profile has good weather resistance, good high temperature resistance and better low temperature resistance; 7, the insulating performance is good; 8, the damping performance is good; 9, the color is rich, and the polyurethane composite material can be used for coating various coatings and made into profiles of various colors to adapt different styles and grades; and 10, the profile has fatigue resistance, and the polyurethane composite material has high fatigue resistance so as to ensure use safety and reliability of the material.
Description
Technical field
The present invention relates to the compound polyurethane material section bar and the forming method of a kind of high strength, low-gravity, insulation, saturating microwave, corrosion-resistant and good heat-insulation effect, belong to the section bar manufacturing and the application of composite material.
Background technique
At present, the angle steel of selling on the market, i shaped steel, channel-section steel, square steel, H shape steel etc. all adopt metallic material to make.Its deficiency: the one, than great, proportion; The 2nd, heat-shielding performance is poor; The 3rd, corrosion-resistant, easy-to-rust.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design the compound polyurethane material section bar and the forming method of a kind of high strength, low-gravity, insulation, saturating microwave, corrosion-resistant and good heat-insulation effect.
Design proposal: in order to realize above-mentioned purpose of design.1, adopting the selection of polyurethane resin as the composite material of section bar, is one of technical characteristics of the present invention.The purpose of doing like this is: the ⑴ polyurethane resin is compared with other resins, the advantage of compound polyurethane material: the one, improved lateral performance; The 2nd, removed glass felt, reduce cost; The 3rd, have the highest fiber capacity; The 4th, higher intensity and hardness; The 5th, increased the complexity of component; The 6th, reduced wall thickness; The 7th, stronger profiled outline can be crossed over bigger distance; The 8th, good shock resistance and good wearability; The 9th, senior accurate manufacturing and fastening significantly improves screw and extracts dynamics; The tenth, excellent surface finishment.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 light stability, aliphatic light stable resin can be arranged.⑶ better Economy: the one, can reduce cost without glass felt; The 2nd, content of glass fiber height (also gaining in strength simultaneously); The 3rd, stronger product can support longer span; The 4th, the pultrusion speed of higher manufacturing efficiency-has faster improved pile line operation speed.⑷ excellent in flame retardance gives out the cigarette of much less than polyester or vinyl resin.⑸ environmental protection, environmental friendliness.⑹ 10% bio-based resin standard, available soybean-based resin.⑺ do not have vinyl benzene, and no superoxide produces.2, the design of polyurethane composite material product moulding technology is two of a technical characteristics of the present invention.The purpose of doing like this is: with the pultrude process of traditional unsaturated polyester glass steel profile shapes be essentially identical, different places be: the mode difference that the ⑴ resin injects, unsaturated polyester resin are to adopt open interpolation; Polyurethane resin is the mode that adopts airtight injection.⑵ between polyurethane injection box and the goods mould, increase cooling section; In unsaturated polyester glass steel production technology is not have cooling die or cooling section.
Compound polyurethane material has fabulous rigidity and intensity, and physics and mechanical property are seen attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity of compound polyurethane material is 0.219W/mk, the thermal conductivity of aluminium is 237.00W/mk, the thermal conductivity of galvanized steel is 62.000W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminium material is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the poor conductor that compound polyurethane material is a 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 technical requirements of glass curtain wall, processes the profile material of different shape.
Technological scheme 1: the compound polyurethane material section bar, it comprises glass fibre, described multi beam glass fibre gathers and constitutes the section bar skeleton, the compound and formation polyurethane section bar in outside in polyurethane resin and the section bar skeleton.
Technological scheme 2: the forming method of compound polyurethane material section bar, adopt pultrusion production process, the multi beam glass fibre is after the import that enters section bar polyurethane resin injection mold die cavity, in section bar polyurethane resin injection mold die cavity, be evenly arranged into required section bar skeleton, this section bar skeleton is sealed by section bar polyurethane resin injection mold the time to be injected into polyurethane submergence in the section bar polyurethane resin injection mold, enrich, and is solidified into required section bar through cooling die cooling, heat setting mould.
Technological scheme 3: the formation system of compound polyurethane material section bar, adopt pultrusion production process, constitute by section bar polyurethane resin injection mold, cooling die and heat setting mould, the import of section bar polyurethane resin injection mold enters the multi beam glass fibre, outlet is communicated with the cooling die import, the outlet of cooling die is communicated with the import of heat setting mould, and the outlet of heat setting mould is compound polyurethane material section bar pultrusion outlet.
The present invention compares with background technique, 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 big, its tensile strength 450～650MPa, approaching with Ordinary Steel, flexural 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 is 0.219W/mk, has only 1/100～1/1000 of metal, is good thermoinsulation material; The 3rd, health, environmental protection, energy-saving effect are remarkable; The 4th, compound polyurethane material does not contain vinyl benzene aborning, thereby can not form volatile compound VOC, so environment protection health more; The 5th, compound polyurethane material result after testing 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 exposure index 0.2, external exposure index 0.2; The 6th, corrosion-resistant, ageing-resistant, the life-span is long, with looking up with eyes wide open compound polyurethane material is good resistant material, to acid, alkali, salt and most of organic substance, seawater and humidity all have resistivity preferably, action of microorganisms also there is 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 7th, dimensional stability is good, and the linear expansion coeffcient of compound polyurethane material is 5.6 * 10-6/ ℃, is lower than steel and aluminum alloy, is 1/15 of plastics, so the glass good stability; The 8th, weather resisteant is good, and compound polyurethane material belongs to thermosetting plastics, promptly forms three-dimensional netted structure of molecule 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 high temperature is good, and resistance to low temperature is better; The 9th, good insulation preformance, compound polyurethane material is the good insulation performance material, it is not influenced by electromagnetic wave, do not reflect radio waves, saturating microwave is good, can bear high voltage and do not damage, so the compound polyurethane material section bar has special purposes to the building of open-air temporary building and communication system; The tenth, damping performance is good, the Young's modulus of compound polyurethane material is 20900, the section bar made from it has higher damping frequency, resin and fiber interface combines in the compound polyurethane material, have shock-absorbing and a shock resistance, avoided the structural member early damage that causes of low-resonance in working order; 11 is fatigue resistance, and the fatigue resistance of compound polyurethane material is very high, thereby guarantees Security and reliability that material uses; 12 is that compound polyurethane material has fabulous rigidity and intensity, and physics and mechanical property are seen attached list.Its complete part substitution of Al alloy and steel, the thermal conductivity of compound polyurethane material is 0.219W/mk, the thermal conductivity of aluminium is 237.00W/mk, the thermal conductivity of galvanized steel is 62.000W/mk, under identical condition, with regard to material, the capacity of heat transmission of aluminium material is 1082 times of polyurethane, and the capacity of heat transmission of galvanized steel is 283 times of compound polyurethane material; Compare the poor conductor that compound polyurethane material is a heat with galvanized steel with aluminium,, fabulous plasticity is arranged again, therefore can design the structure of section bar die cavity as requested, process the section bar of different shape because compound polyurethane material has good rigidity and intensity.
Description of drawings
Fig. 1 is the skeletal structure schematic representation of the compound angle bar shape of polyurethane section bar.
Fig. 2 is the structural representation of the compound angle bar shape of polyurethane product moulding.
Fig. 3 is the skeletal structure schematic representation of the compound I-shaped section bar of polyurethane.
Fig. 4 is the structural representation of the compound I-shaped section bar of polyurethane.
Fig. 5 is the skeletal structure schematic representation of the compound square tube shape of polyurethane section bar.
Fig. 6 is the structural representation of the compound square tube shape of polyurethane section bar.
Fig. 7 is the skeletal structure schematic representation of the compound H shape of polyurethane section bar.
Fig. 8 is the structural representation of the compound H shape of polyurethane section bar.
Fig. 9 is the skeletal structure schematic representation of the compound grooved profile of polyurethane.
Figure 10 is the structural representation of the compound grooved profile of polyurethane.
Figure 11 is the skeletal structure schematic representation of polyurethane compound circular tube shape section bar.
Figure 12 is the structural representation of polyurethane compound circular tube shape section bar.
Figure 13 is the skeletal structure schematic representation of polyurethane composite cylindrical section bar.
Figure 14 is the structural representation of polyurethane composite cylindrical section bar.
Figure 15 is the skeletal structure schematic representation of polyurethane compound thread shape section bar.
Figure 16 is the structural representation of polyurethane compound thread shape section bar.
Figure 17 is the block diagram of compound polyurethane material section bar production system.
Embodiment
Embodiment 1: with reference to accompanying drawing 1-16.The compound polyurethane material section bar, it comprises glass fibre, described multi beam glass fibre gathers and constitutes section bar skeleton 1, polyurethane resin 2 and the compound and formation polyurethane section bar in section bar skeleton 1 interior outside, that is to say, the moulding skeleton 1 of section bar is gathered by the multi beam glass fibre and constitutes, every glass fibre face during polyurethane resin 2 and multi beam glass fibre constitute compound fully and be compounded with bonding mutually between the glass fibre of polyurethane resin 2, solidify and constitute required section bar, the outside is meant the face of every glass fibre in the polyurethane section bar in the promptly described section bar skeleton 1.Described polyurethane section bar is angle iron-type or I-shaped section bar or grooved profile or H shape section bar or or square tube section bar.Glass fibre is that 60%-90%, polyurethane resin are 10%-40% in the described polyurethane section bar.
Embodiment 1-1: on embodiment 1 basis, 35%-40% polyurethane and 60%-75% glass can pultrusion polyurethane profile shapes, and its physical mechanical and mechanical property are better.
Embodiment 1-2: on embodiment 1 basis, 30%-35% polyurethane and 65%-70% glass can pultrusion polyurethane profile shapes, and its physical mechanical and mechanical property are good.
Embodiment 1-3: on embodiment 1 basis, 25%-30% polyurethane and 70%-75% glass can pultrusion polyurethane profile shapes, and its physical mechanical and mechanical property are better.
Embodiment 1-4: on embodiment 1 basis, 20%-25% polyurethane and 75%-80% glass can pultrusion polyurethane profile shapes, and its physical mechanical and mechanical property are best.
Embodiment 1-5: on embodiment 1 basis, 15%-20% polyurethane and 80%-85% glass can pultrusion polyurethane profile shapes, its physical mechanical and good mechanical properties.
Embodiment 1-6: on embodiment 1 basis, 10%-15% polyurethane and 85%-90% glass can pultrusion polyurethane profile shapes, and its physical mechanical is relative with mechanical property better.
Embodiment 1-7: on embodiment 1 basis, 10% polyurethane and 90% glass can pultrusion polyurethane profile shapes, and its physical mechanical and mechanical property meet design requirement.
The physical mechanical and the mechanical property of the polyurethane profile shapes of being produced according to the above ratio, be difference to some extent, its corresponding cost also is different, the physical mechanical and the mechanical property of compound polyurethane material are best, simultaneously both economical again, polyurethane resin accounts for 20%, and glass accounted for 80% o'clock, the composite material of institute's pultrusion.
Embodiment 2: with reference to accompanying drawing 17.The formation system of compound polyurethane material section bar, constitute by section bar polyurethane resin injection mold 3, cooling die 5 and heat setting mould 6, section bar polyurethane resin injection mold 3 has two imports, the one, for polyurethane material feeding mouth 4 and be positioned at section bar polyurethane resin injection mold 3 tops, one is the glass fiber bundle import, the import of section bar polyurethane resin injection mold enters the multi beam glass fibre, outlet is communicated with cooling die 5 imports, the outlet of cooling die is communicated with 6 imports of heat setting mould, and the outlet of heat setting mould is pulled out mouth for the compound polyurethane material section bar.Described heat setting mould constitute by 2 ~ 3 heating-up zone and temperature from low to high, the temperature setting range is: 150 ℃ ~ 250 ℃.Described cooling die is the water-cooled cooling die, and the temperature of its cooling water is 0 ℃ ~ 25 ℃.The production beginning initial stage, note adjusting and observe the flow that is expelled to the polyurethane resin in the injection box, glass can be soaked into fully, notice that polyurethane resin does not overflow the injection box; Observe the situation that goods solidify, note adjusting the temperature of hot-die, and the speed of tractor, the moulding of goods and pultrusion speed are complementary.
Embodiment 3: with reference to accompanying drawing 3.On embodiment 1 basis, the forming method of compound polyurethane material section bar, the multi beam glass fibre is after the import that enters section bar polyurethane resin injection mold die cavity, auto arrangement becomes required section bar skeleton under the effect of section bar polyurethane resin injection mold die cavity, that is to say, section bar polyurethane resin injection mold die orifice, the shape of die cavity (cross section) is identical with required profile shapes (cross section), this section bar skeleton is the sealed polyurethane submergence that is injected in the section bar polyurethane resin injection mold by section bar polyurethane resin injection mold the time, soak into, enrich, through the cooling die cooling, the heat setting mould is solidified into required section bar, and this process is continuously, and promptly glass fibre continuously enters from the import of section bar polyurethane resin injection mold, the section bar that goes out to be solidified into from the pultrusion continuously of heat setting mould.Described compound polyurethane material is to be mixed in 1: 1～1: 4 ratio by isocyanates and polyatomic alcohol polybasic alcohol to constitute.The heat curing temperature of described heat setting mould is 150 ℃～250 ℃.Described cooling die adopts water-cooled, and the temperature of its cooling water is 0 ℃ ~ 25 ℃.
Polyurethane resin herein is called for short polyurethane.
What need understand is: though the foregoing description is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (9)
1. compound polyurethane material section bar, it comprises glass fibre, it is characterized in that: described multi beam glass fibre gathers and constitutes the section bar skeleton, the compound and formation polyurethane section bar in outside in polyurethane resin and the section bar skeleton.
2. compound polyurethane material section bar according to claim 1 is characterized in that: described polyurethane section bar is angle iron-type or I-shaped section bar or grooved profile or H shape section bar or pipe section bar or square tube section bar or Deformed Steel Bars shape section bar or cylindrical section bar.
3. compound polyurethane material section bar according to claim 1 is characterized in that: the outside is meant the face of every glass fibre in the polyurethane resin section bar in the described section bar skeleton.
4. the forming method of a compound polyurethane material section bar, adopt pultrusion production process, it is characterized in that: the multi beam glass fibre is after the import that enters section bar polyurethane resin injection mold die cavity, in section bar polyurethane resin injection mold die cavity, be evenly arranged into required section bar skeleton, this section bar skeleton is sealed by section bar polyurethane resin injection mold the time to be injected into polyurethane submergence in the section bar polyurethane resin injection mold, enrich, and is solidified into required section bar through cooling die cooling, heat setting mould.
5. the forming method of compound polyurethane material section bar according to claim 4 is characterized in that: described polyurethane resin material is to be mixed in 1: 1～1: 4 ratio by isocyanates and polyatomic alcohol polybasic alcohol to constitute.
6. the forming method of compound polyurethane material section bar according to claim 4 is characterized in that: the heat curing temperature of described heat setting mould is 150 ℃-250 ℃, and described cooling die adopts water-cooled, and the temperature of its cooling water is 0 ℃-25 ℃.
7. the formation system of a compound polyurethane material section bar, it is characterized in that constituting by section bar polyurethane resin injection mold, cooling die and heat setting mould, the import of section bar polyurethane resin injection mold enters the multi beam glass fibre, outlet is communicated with the cooling die import, the outlet of cooling die is communicated with the import of heat setting mould, and the outlet of heat setting mould is compound polyurethane material section bar pultrusion outlet.
8. the formation system of compound polyurethane material section bar according to claim 7 is characterized in that: described heat setting mould constitute by 2 ~ 3 heating-up zone and temperature from low to high, the temperature setting range is: 150 ℃ ~ 250 ℃.
9. the formation system of compound polyurethane material section bar according to claim 7 is characterized in that: described cooling die is the water-cooled cooling die, and the temperature of its cooling water is 0 ℃～25 ℃.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106049155A CN102174982A (en) | 2010-12-25 | 2010-12-25 | Polyurethane composite profile and forming method |
| CN2011104237686A CN102518932A (en) | 2010-12-25 | 2011-12-17 | Polyurethane composite profile and forming method for same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106049155A CN102174982A (en) | 2010-12-25 | 2010-12-25 | Polyurethane composite profile and forming method |
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| CN2011104237686A Pending CN102518932A (en) | 2010-12-25 | 2011-12-17 | Polyurethane composite profile and forming method for same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131571A (en) * | 2015-09-18 | 2015-12-09 | 江苏众成复合材料有限责任公司 | Polyurethane composite solar photovoltaic module frame and preparation method thereof |
| CN108867369A (en) * | 2018-04-03 | 2018-11-23 | 武汉金麦特材料科技有限公司 | Bridge deck pavement structure |
| CN114250947A (en) * | 2022-01-11 | 2022-03-29 | 万华节能科技(烟台)有限公司 | High-compression-resistance high-flame-retardant spraying polyurethane hard foam refrigeration house terrace and construction process thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774932A (en) * | 2018-07-23 | 2018-11-09 | 山东众甫新材料有限公司 | A kind of corrosion-resistant road deck and preparation, method for paving |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5336526A (en) * | 1991-04-12 | 1994-08-09 | Phillips Petroleum Company | Primary processing of laminated thermoplastic sheets |
| CN1320514A (en) * | 2000-04-26 | 2001-11-07 | 湖南龙升新材料有限公司 | Apparatus for production line of composite glass fibre-polyurethane plates (sections) |
| US20070006961A1 (en) * | 2001-01-31 | 2007-01-11 | Kusek Walter W | Method of making reinforced PVC plastisol resin and products prepared therewith |
| US7901762B2 (en) * | 2005-11-23 | 2011-03-08 | Milgard Manufacturing Incorporated | Pultruded component |
| CN101220614A (en) * | 2007-12-07 | 2008-07-16 | 厦门高特高新材料有限公司 | Polyurethane composite thermal insulation board, manufacturing method and application of the same |
| CN101328311B (en) * | 2008-07-25 | 2010-09-22 | 中国船舶重工集团公司第七二五研究所 | Formula for synthesizing crosstie and continuous forming process |
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2010
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131571A (en) * | 2015-09-18 | 2015-12-09 | 江苏众成复合材料有限责任公司 | Polyurethane composite solar photovoltaic module frame and preparation method thereof |
| CN108867369A (en) * | 2018-04-03 | 2018-11-23 | 武汉金麦特材料科技有限公司 | Bridge deck pavement structure |
| CN114250947A (en) * | 2022-01-11 | 2022-03-29 | 万华节能科技(烟台)有限公司 | High-compression-resistance high-flame-retardant spraying polyurethane hard foam refrigeration house terrace and construction process thereof |
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| CN102518932A (en) | 2012-06-27 |
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Open date: 20110907 |