CN103451853A - Fiber-reinforced spandex composite material and preparation method and application thereof - Google Patents
Fiber-reinforced spandex composite material and preparation method and application thereof Download PDFInfo
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- CN103451853A CN103451853A CN 201210175440 CN201210175440A CN103451853A CN 103451853 A CN103451853 A CN 103451853A CN 201210175440 CN201210175440 CN 201210175440 CN 201210175440 A CN201210175440 A CN 201210175440A CN 103451853 A CN103451853 A CN 103451853A
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Abstract
The invention belongs to the technical field of composite materials and relates to a fiber-reinforced thermoplastic polyurethane composite material and a preparation method and application thereof. The composite material comprises, by mass, spandex 40-70% and fiber 30-60%. Compared with the prior art, the prepared fiber-reinforced spandex composite material is simple in process, high in production efficiency, high in fiber content, high in strength, good in abrasion resistance and excellent in shock resistance performance, is an ideal material for automobile roofs and automobile door boards and can be used for high-strength shell products.
Description
Technical field
The invention belongs to technical field of composite materials, relate to a kind of fiber reinforced thermolplastic compound polyurethane material and its preparation method and application.
Background technology
Composite more and more receives the concern of all circles at present, its excellent mechanical property has and relates in all trades and professions, but fibre-reinforced compound polyurethane material is in the starting stage of application, reinforcing material all has very high strength and modulus as the glass fibre carbon fiber, main load component in the time of in reinforcing material, and thermoplastic polyurethane has good shock resistance and anti-wear performance, both combinations are given full play to advantage separately especially, in some high-end fields, aspect roof of the vehicle and door panel, will have broad application prospects.Chinese patent 201120272642 has been introduced a kind of core plate of vehicle roof, adopt the PU layer, fiberglass layer, nonwoven fabric and PVC layer distribute from top to bottom, the method prepare core plate of vehicle roof increased sound-absorbing and effect of heat insulation, it is technologic loaded down with trivial details that but four layer materials of this composite material by adopting bonding increased, and this composite material strength is low, airtight.
Some roofs of the vehicle adopt foaming PU and the compound preparation of glass at present, as talked about a kind of composite of continuous glass-fiber reinforced hard polyurethane microfoam in Chinese patent 200710020092, take the hard polyaminoester microvesicle as matrix, the continuous glass-fiber yarn of processing through surperficial sizing agent of take is reinforcing material, obtain the composite that mechanical performance is good, can be used for railroad sleeper, container wall panel, building structure section bar etc., but in this invention, related polyurethane material is heat cured micro-foamed products, not recoverable.
Summary of the invention
The object of the invention is to, for overcoming the shortcoming of prior art, provides a kind of fiber reinforcement spandex composite and its production and use.
For achieving the above object, the present invention is by the following technical solutions:
A kind of fiber reinforced thermolplastic compound polyurethane material, by the component that comprises following mass percent, made:
Spandex 40～70%,
Fiber 30～60%.
Described spandex is to be that the thermoplastic polyurethane spinning that 70D-75D, melt index are 22-30g/10min forms by hardness.
Described fiber is glass fibre or carbon fiber.
The length of described spandex is 60mm-80mm.
The length of described fiber is 60mm-80mm.
In the present invention, first by glass fibre and spandex according to the even laying of certain ratio, pass through again opener, carding machine, two kinds of fibers are mixed, then pass through lapping machine, carry out horizontal and vertical alternately lapping, immerse needing machine after compacting and carry out twice acupuncture, obtaining mixed fibre felt, is fibre-reinforced thermoplastic polyurethane composite board finally by crossing roll squeezer hot-forming.
A kind of preparation method of above-mentioned fiber reinforcement spandex composite comprises following steps:
(1), by said ratio, the fiber that to take percentage by weight be 30～60% and 40～70% spandex, mix;
(2) mixture of above-mentioned fiber and spandex is replaced to laying, obtain fiber and spandex composite felt;
(3) fiber and spandex composite felt are carried out to the shredding processing through opener, shredding is processed and is made its mixing more even;
(4) felt after the shredding processing carries out combing by carding machine again, and in the fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) then, through lapping machine, carrying out horizontal and vertical alternately lapping processes;
(6) through needing machine, acupuncture becomes mixed fibre felt again;
(7) last, mixed fibre felt is through the hot-forming composite board that obtains of roll squeezer.
In described step (2), the grammes per square metre scope of fiber and spandex composite felt is 1000-1800g/cm
2, thickness is 100mm-200mm.
The number of times that shredding in described step (3) is processed is 1-3 time, preferably 2 times.
The mixed fibre felt grammes per square metre scope obtained in described step (6) is 1000-1800g/cm
2, thickness is 10mm-20mm.
Acupuncture number of times in described step (6) is 2-5 time, preferably 2 times.
In described step (7), the temperature of hot pressing is 190 ℃-230 ℃, preferably 190 ℃-220 ℃.
A kind of above-mentioned fiber reinforcement spandex composite is as the purposes of roof of the vehicle sheet material or automobile door plate material.
Beneficial effect of the present invention:
Compared with prior art, technique is simple in the present invention, and production efficiency is high, and the content of fiber is high, and the composite material strength of preparation is high, and ABRASION RESISTANCE is good, and shock resistance is good, is the ideal material of roof of the vehicle and door panel, more can be used for high-intensity shell based article.
The accompanying drawing explanation
Fig. 1 is the production technological process of fiber/spandex composite board in the embodiment of the present invention.
The specific embodiment
Below furthermore bright the present invention of illustrated embodiment with reference to the accompanying drawings.Wherein, the spandex in the following example is to be that the thermoplastic polyurethane spinning that 70D-75D, melt index are 22-30g/10min forms by hardness.
Embodiment 1
Preparation technology's flow process of glass fibre/spandex composite is as shown in Figure 1:
(1) take glass fibre that mass percent is 30% and 70% spandex, and mix, wherein, glass fibre and spandex are long is 80mm;
(2) mixture of above-mentioned fiber and spandex is replaced to laying; Obtain glass fibre and spandex composite felt, its grammes per square metre is 1000g/cm
2;
(3) by laying, good felt is successively sent into respectively two openers and is carried out twice shredding;
(4) felt after the shredding processing passes through the carding machine combing again, obtains the fluffy composite fibre mixed; In fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) fiber mixed is sent in lapping machine, a plurality of lapping machines through horizontal and vertical, be layered on blended fiber on the draw-gear of transmission again, realizes the alternately lapping on horizontal and vertical both direction;
(6) mixed fibre felt after completing enters in two continuous needing machines and realizes twice acupuncture after the roll-in compacting, the mixed fibre felt that last rolling obtains mixing, and thickness is at 10mm, and its grammes per square metre is 1000g/cm
2;
(7) mixed fibre felt is delivered on the roll squeezer with heater, temperature is 190 ℃, makes the spandex in mixed fibre felt softening, then colds pressing and be shaped into the fiberglass composite plate material through roll squeezer.
Embodiment 2
Preparation technology's flow process of carbon fiber/spandex composite as shown in Figure 1.
(1) take carbon fiber that percentage by weight is 40% and 60% spandex, and mix, wherein, carbon fiber and spandex are long is 60mm;
(2) mixture of above-mentioned fiber and spandex is replaced to laying; Obtain carbon fiber and spandex composite felt, its grammes per square metre is 1400g/cm
2;
(3) by laying, good felt is successively sent into respectively two openers and is carried out twice shredding;
(4) felt after the shredding processing passes through the carding machine combing again, obtains the fluffy composite fibre mixed; In fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) fiber mixed is sent in lapping machine, a plurality of lapping machines through horizontal and vertical, be layered on blended fiber on the draw-gear of transmission again, realizes the alternately lapping on horizontal and vertical both direction;
(6) mixed fibre felt after completing enters in two continuous needing machines and realizes twice acupuncture after the roll-in compacting, the mixed fibre felt that last rolling obtains mixing, and thickness is at 15mm, and its grammes per square metre is 1400g/cm
2;
(7) mixed fibre felt is delivered on the roll squeezer with heater, temperature is 200 ℃, makes the spandex in mixed fibre felt softening, then colds pressing and be shaped into carbon fiber composite board through roll squeezer.
Embodiment 3
Preparation technology's flow process of glass fibre/spandex composite as shown in Figure 1.
(1) take glass fibre that percentage by weight is 50% and 50% spandex, and mix, wherein, glass fibre and spandex are long is 70mm;
(2) mixture of above-mentioned fiber and spandex is replaced to laying; Obtain glass fibre and spandex composite felt; Its grammes per square metre is 1600g/cm
2;
(3) by laying, good felt is successively sent into respectively two openers and is carried out twice shredding;
(4) felt after the shredding processing passes through the carding machine combing again, obtains the fluffy composite fibre mixed; In fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) fiber mixed is sent in lapping machine, a plurality of lapping machines through horizontal and vertical, be layered on blended fiber on the draw-gear of transmission again, realizes the alternately lapping on horizontal and vertical both direction;
(6) mixed fibre felt after completing enters in two continuous needing machines and realizes twice acupuncture after the roll-in compacting, the mixed fibre felt that last rolling obtains mixing, and thickness is at 18mm, and its grammes per square metre is 1600g/cm
2;
(7) mixed fibre felt is delivered on the roll squeezer with heater, temperature is 210 ℃, makes the spandex in mixed fibre felt softening, then colds pressing and be shaped into the fiberglass composite plate material through roll squeezer.
Embodiment 4
Preparation technology's flow process of carbon fiber/spandex composite as shown in Figure 1.
(1) take carbon fiber that percentage by weight is 60% and 40% spandex, and mix, wherein, carbon fiber and spandex are long is 60mm;
(2) mixture of above-mentioned fiber and spandex is replaced to laying; Obtain carbon fiber and spandex composite felt, its grammes per square metre is 1800g/cm
2;
(3) by laying, good felt is successively sent into respectively two openers and is carried out twice shredding;
(4) felt after the shredding processing passes through the carding machine combing again, obtains the fluffy composite fibre mixed; In fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) fiber mixed is sent in lapping machine, a plurality of lapping machines through horizontal and vertical, be layered on blended fiber on the draw-gear of transmission again, realizes the alternately lapping on horizontal and vertical both direction;
(6) mixed fibre felt after completing enters in two continuous needing machines and realizes twice acupuncture after the roll-in compacting, the mixed fibre felt that last rolling obtains mixing, and thickness is at 20mm, and its grammes per square metre is 1800g/cm
2;
(7) mixed fibre felt is delivered on the roll squeezer with heater, temperature is 220 ℃, makes the spandex in mixed fibre felt softening, then colds pressing and be shaped into carbon fiber composite board through roll squeezer.
The composite board strength test data that above embodiment obtains are as follows:
| Embodiment mono- | Embodiment bis- | Embodiment tri- | Embodiment tetra- | |
| GF/PU | CF/PU | GF/PU | CF/PU | |
| TENSILE STRENGTH (MPa) | 98 | 150 | 103 | 158 |
| Bending strength (MPa) | 95 | 148 | 100 | 152 |
The fiber reinforcement spandex composite prepared in the various embodiments described above is all as the purposes of roof of the vehicle sheet material or automobile door plate material.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a fiber reinforced thermolplastic compound polyurethane material is characterized in that: by the component that comprises following mass percent, made:
Spandex 40～70%,
Fiber 30～60%.
2. fiber reinforced thermolplastic compound polyurethane material according to claim 1, it is characterized in that: described spandex is to be that the thermoplastic polyurethane spinning that 70D-75D, melt index are 22-30g/10min forms by hardness.
3. fiber reinforced thermolplastic compound polyurethane material according to claim 1, it is characterized in that: described fiber is glass fibre or carbon fiber.
4. fiber reinforced thermolplastic compound polyurethane material according to claim 1, it is characterized in that: the length of described spandex is 60mm-80mm.
5. fiber reinforced thermolplastic compound polyurethane material according to claim 1, it is characterized in that: the length of described fiber is 60mm-80mm.
6. the preparation method of arbitrary described fiber reinforcement spandex composite in a claim 1-5 is characterized in that: comprise following steps:
(1), by proportioning claimed in claim 1, the fiber that to take percentage by weight be 30～60% and 40～70% spandex, mix;
(2) mixture of above-mentioned fiber and spandex is replaced to laying, obtain fiber and spandex composite felt;
(3) fiber and spandex composite felt are carried out to the shredding processing through opener;
(4) felt after the shredding processing carries out combing by carding machine again, and in the fibrage after the carding machine combing, two kinds of fibers are the filament distributions;
(5) then, through lapping machine, carrying out horizontal and vertical alternately lapping processes;
(6) through needing machine, acupuncture becomes mixed fibre felt again;
(7) last, mixed fibre felt is through the hot-forming composite board that obtains of roll squeezer.
7. preparation method according to claim 6 is characterized in that: in described step (2), the grammes per square metre scope of fiber and spandex composite felt is 1000-1800g/cm
2, thickness is 100mm-200mm.
8. preparation method according to claim 6 is characterized in that: the number of times that the shredding in described step (3) is processed is 1-3 time, preferably 2 times.
9. preparation method according to claim 6, it is characterized in that: the mixed fibre felt grammes per square metre scope obtained in described step (6) is 1000-1800g/cm
2, thickness is 10mm-20mm;
Or the acupuncture number of times in described step (6) is 2-5 time, preferably 2 times;
Or in described step (7), the temperature of hot pressing is 190 ℃-230 ℃, preferably 190 ℃-220 ℃.
In a claim 1-6 arbitrary described fiber reinforcement spandex composite as the purposes of roof of the vehicle sheet material or automobile door plate material.
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| CN 201210175440 CN103451853A (en) | 2012-05-31 | 2012-05-31 | Fiber-reinforced spandex composite material and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109947A (en) * | 2014-07-07 | 2014-10-22 | 金银 | Manufacturing method for polyester fiber electric heating non-woven paper |
| CN104911821A (en) * | 2015-06-19 | 2015-09-16 | 湖南大学 | Production method for carbon fiber and chemical fiber mixed non-woven fabrics |
| CN105544237A (en) * | 2016-02-25 | 2016-05-04 | 苏州市景荣科技有限公司 | Manufacturing method for breathable and wearable composite insole material |
| CN107541858A (en) * | 2017-09-07 | 2018-01-05 | 丹阳市汇航复合材料有限公司 | A kind of new anti-flaming thermal-insulation noise elimination felt preparation method |
| CN107541859A (en) * | 2017-09-07 | 2018-01-05 | 丹阳市汇航复合材料有限公司 | A kind of design of the new anti-flaming thermal-insulation noise elimination felt machine of continuous production |
| CN107540808A (en) * | 2017-08-22 | 2018-01-05 | 成都新柯力化工科技有限公司 | A kind of high life fiberglass composite plate material and preparation method thereof |
| CN109322057A (en) * | 2018-12-07 | 2019-02-12 | 江苏通盛滤袋有限公司 | A kind of fiberglass needled mat |
| CN114507940A (en) * | 2022-02-18 | 2022-05-17 | 山东大庚工程材料科技有限公司 | Multifunctional composite carbon fiber inner liner and preparation method thereof |
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2012
- 2012-05-31 CN CN 201210175440 patent/CN103451853A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109947A (en) * | 2014-07-07 | 2014-10-22 | 金银 | Manufacturing method for polyester fiber electric heating non-woven paper |
| CN104911821A (en) * | 2015-06-19 | 2015-09-16 | 湖南大学 | Production method for carbon fiber and chemical fiber mixed non-woven fabrics |
| CN105544237A (en) * | 2016-02-25 | 2016-05-04 | 苏州市景荣科技有限公司 | Manufacturing method for breathable and wearable composite insole material |
| CN107540808A (en) * | 2017-08-22 | 2018-01-05 | 成都新柯力化工科技有限公司 | A kind of high life fiberglass composite plate material and preparation method thereof |
| CN107540808B (en) * | 2017-08-22 | 2020-03-17 | 成都新柯力化工科技有限公司 | Long-life glass fiber composite board and preparation method thereof |
| CN107541858A (en) * | 2017-09-07 | 2018-01-05 | 丹阳市汇航复合材料有限公司 | A kind of new anti-flaming thermal-insulation noise elimination felt preparation method |
| CN107541859A (en) * | 2017-09-07 | 2018-01-05 | 丹阳市汇航复合材料有限公司 | A kind of design of the new anti-flaming thermal-insulation noise elimination felt machine of continuous production |
| CN109322057A (en) * | 2018-12-07 | 2019-02-12 | 江苏通盛滤袋有限公司 | A kind of fiberglass needled mat |
| CN114507940A (en) * | 2022-02-18 | 2022-05-17 | 山东大庚工程材料科技有限公司 | Multifunctional composite carbon fiber inner liner and preparation method thereof |
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Application publication date: 20131218 |