CN87101343A - Thermosetting cotton fibre material and manufacture method thereof and purposes - Google Patents
Thermosetting cotton fibre material and manufacture method thereof and purposes Download PDFInfo
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- CN87101343A CN87101343A CN 87101343 CN87101343A CN87101343A CN 87101343 A CN87101343 A CN 87101343A CN 87101343 CN87101343 CN 87101343 CN 87101343 A CN87101343 A CN 87101343A CN 87101343 A CN87101343 A CN 87101343A
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- fibre material
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- cotton fibre
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Abstract
The invention discloses a kind of thermosetting cotton fibre material and Manufacturing approach and use of making by cotton fiber and thermosetting resin, belong to cotton comprehensive utilization technique field, solved the problem of utilizing that to spin cotton fiber.Employing becomes section bar through air-dry broken hot repressing behind cotton fiber and amino resins kneading that dedusting, classification, degreasing decontamination, bleaching or dyeing are handled, but replacing wood or plastics are used to make furniture and architecture indoor finishing.
Description
The present invention relates to a kind of thermosetting cotton fibre material and its method of manufacturing technology and purposes of making by cotton fiber and thermosetting resin.Belong to cotton processing and condensation and utilize technical field.
During cotton processing, particularly cotton spinning were produced, what can produce a large amount of length 3～10mm can not spin fiber, and these can not spin fiber and account for about 15 percent of processing total amount greatly.What this part was a considerable number of can not spin fiber, except that having on a small quantity as producing the staple fibre raw material, most ofly falls as garbage disposal, and the method that the cotton processing factory in cotton region often takes to burn or bury is handled and can not be spun fiber.For the utilization of this part cotton fiber, as papermaking, production of cellulose or the like, owing to exist complex process, problem that cost is high can not access practical application.Because more than, make and throw away every year to such an extent that can not to spin cotton fiber countless in vain.On the one hand, the mankind are faced with timber reserves minimizing, timber worsening shortages.On the other hand, to millions upon millions of tons string-can not spin cotton fiber can't utilize and waste.This traditional insurmountable utilization of resources contradiction is for the present invention proposes most realistic invention task.
Task of the present invention provides uses cotton fiber, particularly can not spin the cotton fiber manufacturing can replacing wood, plastics thermosetting cotton fibre material that use, that do not destroy cotton fiber tissue's structure and its method of manufacturing technology.
Main points of the present invention be with dedusting, classification, degreasing, bleaching or painted after cotton fiber be immersed in the thermosetting resin that adds plasticizer, releasing agent and blowing agent, it is mediated evenly, again through the air-dry thermosetting cotton fibre material of making.This thermosetting cotton fibre material can be made into various thermosetting cotton fibre section bars through hot-forming, and replacing wood or plastics are used for the architectural engineering interior decoration and make furniture.This thermosetting cotton fibre material contains the cotton fiber of percentage by weight 25-40%, the thermosetting resin of 55-70% and an amount of plasticizer, releasing agent and blowing agent.
The process for making of thermosetting cotton fibre material is: cotton fiber particularly can not be spun cotton fiber send into filter watt scholar's impurity removing machine and carry out the classification of dedusting decontamination and length suede, sorted cotton fiber breaks into parcel by baling press, the parcel cotton fiber is carried out degreasing, bleaching, washing, unpack after the dehydration, send into the drying chamber oven dry, again the cotton fiber after the oven dry is immersed in the water, dehydration once more behind the floating decontamination, dye then, rinsing, dehydration, cotton fiber after the dehydration is with drying once more after the atomizing formic acid neutralisation treatment on a small quantity, the cotton fiber of oven dry is put into the vacuum impregnation machine, spray into and be added with blowing agent, releasing agent, after the thermosetting resin of plasticizer floods kneading fully, taking out becomes loose fine granularity with disintegrating machine with the cotton fiber fragmentation of agglomerate after air-dry, has then made thermosetting cotton fibre material.This thermosetting cotton fibre material is just molded at normal temperatures through spreading machine, puts into hot press heating pressurization, makes various section bars.The thermosetting cotton fibre material section bar that the above-mentioned technical process of process is made, have the characteristic similar with plastics to timber, its proportion is between 0.9-1.7, its wearability, corrosion resistance all are higher than timber, its anti-flammability, ageing resistance all are better than plastics ， And and higher mechanical strength are arranged and resilience preferably.In addition, its heating size changing rate is also very little, also has good insulation performance and anti-electric breakdown strength.Extensively replacing wood or plastics are used to make furniture, architecture indoor finishing, as are used as ceiling, floor, wall dress plate etc.Thermosetting resin used in the present invention is amino resins (improvement), and blowing agent is a soda, and plasticizer is a dibutylester, and releasing agent is the N.N-ethylene bis stearamide.
The invention solves the problem of utilizing that can not spin cotton fiber, for society has saved a large amount of cotton fibers, but replacing wood and plastics use, not only the various physical and chemical performances of goods are good, and the sufficient cost of raw material is low, and technology is simple, has purposes extremely widely.
Be described in detail two specific embodiments of the present invention below, whereby the present invention done open further.
Embodiment one: the used cotton fiber that can not spin is the cotton short flannel that produces in the cotton process plants process or the cotton waste fiber of cotton mill in the present embodiment.Concrete technological process is that cotton fiber is sent into filter watt scholar's impurity removing machine Chu Chen And classification, sorted cotton fiber is sent into baling press and is broken into 2 kilogram weights, volume is the bag of 300 * 300 * 250mm, the parcel cotton fiber is put into steaming refining degreasing tank, the caustic soda solution of adding 30%, feed steamed refining about four hours, emit caustic soda solution, bleaching liquid circulation bleaching with 30 degree is used water rinse after three hours again, adding a spot of industrial sulphuric acid neutralization simultaneously brightens, untie the cotton fiber bag after the dehydration, dry to water content below 1%, the shape cotton fiber that will loose is then put into tank and is stirred, and removes floating impurity, the cotton fiber that sinks under the water is pulled out dewatered to water content below 5%, putting into dyeing pot dyes as reactive dye at normal temperatures, dewater to water content about 3～5% after the painted cotton fiber washing, put it in the formic acid atomization tank that is filled with the formic acid mist again and carry out neutralisation treatment, dry then to water content about 0.1%, it is stand-by in the vacuum impregnation machine to pack into after with the cotton fiber shredding with opener.Taking cotton fiber weight 1.7-2 improvement amino resins doubly, the dibutylester that adds cotton fiber and amino resins gross weight percent 3-10,3～5% N.N '-ethylene bis stearamide and about 1% soda mix stir after, mixed amino resins is sprayed in the vacuum impregnation machine that cotton fiber is housed with nozzle, fully dipping is mediated the back taking-up, be not higher than under 60 ℃ the temperature air-dry after, put into the graininess that disintegrating machine is broken into the cotton fiber of agglomerate the soybean grain size, can pack, become the thermosetting cotton fibre material bulk cargo.In the time of need making section bar, the thermosetting cotton fibre material bulk cargo is completed with spreading machine, just molded at normal temperatures, put into hot press then, under 140 °～220 ℃ high temperature to be not less than 350kg/cm
2Pressure slowly hot-forming, the molding of cooling back is then made the thermosetting cotton fibre material section bar, thereby is finished whole technical process of the present invention.
Embodiment two: used cotton fiber is the cotton waste fiber that produces in knitting mill or the Towel Factory's production process in the present embodiment.Because this part cotton fiber has carried out degreasing in process of production, bleaching or dyeing, only need the dedusting color separation so be used to produce the technical process of thermosetting cotton fibre material, comprise that color matching water receiving eluting water is to water content about 3～5%, putting into the formic acid atomization tank that is filled with the formic acid mist handles, dry again to water content about 0.1% and an amount of dibutylester that is added with, soda, after the amino resins of N.N '-ethylene bis stearamide is mediated, in the temperature below 60 ℃ air-dry after, make the section bar of thermosetting cotton fibre material again according to the technical process described in the embodiment one.
Claims (7)
1, thermosetting cotton fibre material is characterized in that forming ， And by cotton fiber and amino resins contains small amount of foaming agent, plasticizer and releasing agent.
2, thermosetting cotton fibre material, but it is characterized in that replacing wood, plastics are used to make furniture and building interior decoration.
3, a kind of method of manufacturing technology of thermosetting cotton fibre material comprises cotton fiber dedusting, classification, degreasing, decontamination, bleaching or dyeing, rinsing, dehydration, it is characterized in that:
Oven dry once more after a, the cotton fiber after will dewatering are handled with atomizing formic acid;
B, the cotton fiber after will drying and the amino resins dipping that is added with blowing agent, releasing agent and plasticizer are mediated;
C, be broken into graininess after will be with the cotton fiber that amino resins is mediated air-dry;
D, granular cotton fiber is just molded at normal temperatures;
E, general just molded cotton fiber are hot pressed into the thermosetting cotton fibre material section bar.
4,, it is characterized in that flooding mediating and under vacuum state, carry out according to the method for manufacturing technology of the described thermosetting cotton fibre material of claim 3.
5,, it is characterized in that air-dry temperature is for being lower than 60 ℃ according to the method for manufacturing technology of the described thermosetting cotton fibre material of claim 3.
6,, it is characterized in that hot-forming heating-up temperature is 140 °～220 ℃ according to the method for manufacturing technology of the described thermosetting cotton fibre material of claim 3.
7,, it is characterized in that hot-forming pressure is for being not less than 350kg/cm according to the method for manufacturing technology of the described thermosetting cotton fibre material of claim 3
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101343 CN87101343A (en) | 1987-05-30 | 1987-05-30 | Thermosetting cotton fibre material and manufacture method thereof and purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101343 CN87101343A (en) | 1987-05-30 | 1987-05-30 | Thermosetting cotton fibre material and manufacture method thereof and purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87101343A true CN87101343A (en) | 1988-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87101343 Pending CN87101343A (en) | 1987-05-30 | 1987-05-30 | Thermosetting cotton fibre material and manufacture method thereof and purposes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87101343A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756587A (en) * | 2017-09-07 | 2018-03-06 | 南京林业大学 | A kind of manufacture method and manufacturing equipment of no glue water-resistant type fiberboard |
| CN113912377A (en) * | 2021-11-24 | 2022-01-11 | 杭州科技职业技术学院 | Ceramic artwork manufacturing process based on cotton fiber medium |
-
1987
- 1987-05-30 CN CN 87101343 patent/CN87101343A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756587A (en) * | 2017-09-07 | 2018-03-06 | 南京林业大学 | A kind of manufacture method and manufacturing equipment of no glue water-resistant type fiberboard |
| CN113912377A (en) * | 2021-11-24 | 2022-01-11 | 杭州科技职业技术学院 | Ceramic artwork manufacturing process based on cotton fiber medium |
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| WD01 | Invention patent application deemed withdrawn after publication |