CN102425037A - Environmental-friendly fiber cotton and preparation process thereof - Google Patents

Environmental-friendly fiber cotton and preparation process thereof Download PDF

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Publication number
CN102425037A
CN102425037A CN2011102913256A CN201110291325A CN102425037A CN 102425037 A CN102425037 A CN 102425037A CN 2011102913256 A CN2011102913256 A CN 2011102913256A CN 201110291325 A CN201110291325 A CN 201110291325A CN 102425037 A CN102425037 A CN 102425037A
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fiber
cotton
technology
fibre
fibers
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CN2011102913256A
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黄显飚
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黄显飚
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Abstract

The invention discloses environmental-friendly fiber cotton and a preparation process thereof, in particular to a method for preparing the fiber cotton by mixing fiber with low melting point with corn fiber and soybean fiber and performing heat treatment and a product. The preparation process comprises the following steps of: preparing raw materials from 10%-30% of the fiber with low melting point and 90%-70% of one or two of corn fiber and soybean fiber through mixing; carrying out cutting, cotton carding, forming and hot baking adhesion on the prepared raw materials in sequence; carrying out pressing, rolling, rapid cooling and shaping simultaneously when the raw materials are still hot; and then cutting and packaging according to the requirements, wherein the temperature for hot baking shaping is 110-130 DEG C, and the adoption of air-laying and rapid cooling shaping technologies has an important significance in improving the quality of the fiber cotton. The corn and soybean fiber cotton disclosed by the invention can be biodegraded completely and comprehensively improve a fiber air-laid structure simultaneously, and the product can be naturally degraded under the action of microbes after being disused and is further different from chemical fiber cotton which needs to consume a large number of non-renewable petroleum resources and is still difficult to degrade, so that the fiber cotton disclosed by the invention is an ecological raw material with great development potentiality.

Description

A kind of Recycled Fibers cotton and preparation technology thereof
Affiliated technical field
The present invention relates to the cotton preparation technology of a kind of Recycled Fibers; More particularly; The present invention relates to and plant to use the method that low-melting fiber (meldable fibre) and a kind of of zein fiber, fibre and soya or two kinds of mixed heat treatment prepare cellucotton, it is cotton to the invention still further relates to the Recycled Fibers that uses this technology to produce.
Background technology
The cellucotton product that amenitiess such as household articles, sanltary towel, protection pad, baby diaper (sheet), Moistured towel, disposable surgical clothing, mouth mask, the medical operation tablecloth, nursing care bed sheet such as our a large amount of mattresses that use of the modern life, Sofa mattress, flocculus, automobile sound-absorbing insulation material for building, the industrial filter material insulation material of air of industry location pre-filtering, dress ornament liner and field such as heat insulating material formed adopt chemical fibre to produce in a large number; Only China is annual just has this type chemical fibre of thousands of tons of to use; There is this type fiber product of thousands of tons of to go out of use on the other hand again; The go out of use fiber product of thousands of tons of of this type all is difficult to natural decomposition decades; Have a strong impact on the natural environment that we depend on for existence, become a universally acknowledged difficult problem.
For solving problem like that; Existing many people explore and the research the whole bag of tricks; Be called " zein fiber is pure to be spun or the blended color spinning yarn and the production method thereof of blending " (application (patent) number: CN200410068072.6 like: the name of application in Zhejiang Huafu Melange Yarn Co., Ltd. on November 11st, 2004; Open (bulletin) number: CN1603487, open (bulletin) day: 2005.04.06) patented technology.This invention provides that a kind of zein fiber (PLA) is pure to be spun or the blended color spinning yarn and the production method thereof of blending, contains zein fiber in this blended color spinning yarn.The yarn that forms through blended colour yarn by the fiber of different colours.The technological process of this invention is: the preparatory shredding of zein fiber, dyeing (textile true qualities comber web dyeing; Zein fiber dyeing), dyeing zein fiber spinnability processing, weighing, batch mixing, blowing, comb and parallel cotton fibers prior to spinning, head also, two also, three also, rove, spun yarn, winder; As spin strand, then again through doubling and twisting machine and winder.
Also have the name of Jiaxing Zhongchao Non-Woven Co., Ltd.'s application on July 23rd, 2009 to be called " a kind of fiber insulation cotton and production method thereof " (application (patent) number: CN200910101211.3; Open (bulletin) number: CN101691680A, open (bulletin) day: 2010.04.07) patented technology.This invention relates to insulation cotton and the production way thereof that pure zein fiber short fiber is made.It is said that it is to be formed by 100% zein fiber manufacturing.Its manufacturing approach comprises shredding → mixed → combing → lapping → spray glue → dry → finalize the design → cut → the rolling finished product; Wherein the drying and shaping temperature is that 110-130 ℃ of drying and shaping time is 3-9 minute.The invention solves zein fiber technological temperature and the problem of drying and shaping time when becoming net, also solved the problem that zein fiber exists crisp, hard, easy fracture, difficult one-tenth web to bring.
Suchlike method also has a lot; Undoubtedly peculiar smell etc. is removed in clearing damp and had certain effect; But certain limitation is also arranged, such as above-mentioned patent " zein fiber is pure to be spun or the blended color spinning yarn and the production method thereof of blending " (application (patent) number: CN200410068072.6, lining etc. is processed in blending; That zein fiber exists is crisp, hard, the easy fracture problem is difficult to solve, and the limited environment protection significance of blended yarn woven fabric zein fiber also is limited.
And about " a kind of zein fiber insulation cotton and production method thereof " (application (patent) number: CN200910101211.3, we know: the cellucotton production technology is mainly gum sprayed cotton technology or hot melting wool technology, these two kinds of technologies are had nothing in common with each other.What gum sprayed cotton adopted is that general fibre utilization glue or top layer lapping make surface texture bonding, as being the gum sprayed cotton technological process of production of raw material with polyester (PET) fiber, will after bale opener, opener, shredding, send into cotton feeder usually; Be carded to thin shape stratiform through carding machine again; Be that fiber is Two dimensional Distribution, and then polyester (PET) fibrage that will be the thin shape stratiform of Two dimensional Distribution is folded into required thickness with make-up machine, sprays adhesive; Layer upon layer of fiber is combined, and oven dry forms.
And the fibrocortex of hot melting wool technology utilization low melting point composite short fiber has the watery fusion performance; Fusion under the low temperature of 110~180 degree (portioned product 100 or 120 ℃ of degrees centigrade of dry heat conditions under be the fiber of melting adhesion; And the fusing point of ordinary polyester staple fibre is more than 255 degree); The peripheral part of fusing is as glue, and is bonding with other fibers, has the function of adhesive.Existing hot melting wool production Technology has many, technological process generally include out material, comb and parallel cotton fibers prior to spinning, moulding, heat baking bonding, finalize the design, cut etc.
Because the fiber of gum sprayed cotton mainly is Two dimensional Distribution, so its brute force is poor, elasticity and ABRASION RESISTANCE is relatively poor and easy aliquation.Stronger at warmth retention property, bulking intensity, flexibility, mildew and insect proof moth function hot melting wool comparatively speaking than gum sprayed cotton, the hot melting wool Stability Analysis of Structures, aspects such as anti-pull, gas permeability, ABRASION RESISTANCE, hot melting wool is also strong than gum sprayed cotton.Therefore, " a kind of zein fiber insulation cotton and production method thereof " (application (patent) number: CN200910101211.3 has his limitation.
Summary of the invention
The present invention is directed to the deficiency of existing chemical fibre cotton and corn, the cotton technology of preparing of fibre and soya and method; Utilize the environmental protection characteristic of corn, the cotton easily biological-degradable of fibre and soya; A kind of environment-friendly type of easily biological-degradable is provided; Improve fiber comprehensively and become web frame; Can also produce the hot melting wool of controllable thickness and density as required, obvious and long-acting of environmental protection result of use plants Recycled Fibers cotton and preparation technology thereof.
The present invention is achieved in that plants the cotton preparation technology of Recycled Fibers; Gross weight with fibrous raw material is a benchmark; Adopt 10% to 30% low-melting fiber and 90% to 70% zein fiber, it of fibre and soya to plant or two kinds of mixed preparation raw material; With this preparation raw material successively through opening material, comb and parallel cotton fibers prior to spinning, moulding, heat baking bonding after; Carry out the quick cooling and shaping of pressure rolling while hot simultaneously; Cut packing then on request, wherein heat baking setting temperature is 110-130 ℃.
Said quick cooling and shaping is an air cooling way.
Said molding mode is an air-laid process; Be through air-flow to after mixed through step of fully mixing that fluffy fiber is evenly distributed in the hopper after the shredding, pressurized gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
Fibre transportation after in hopper, advancing in the said air-laid process step is mixed is to the blank forming device; Compactness is accumulated to the blank of setting density under fiber is with vibrations in the blank forming device vibration plate and the effect of corresponding wall; This blank is again through nail-plate cylinder shredding again, and pressurized then gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
Said zein fiber or fibre and soya are the fibers through flame treatment.
Said zein fiber or fibre and soya are the fibers through the sterilization antimicrobial treatment.
The content of said low-melting fiber is 15% to 25%, is benchmark with the gross weight of fibrous raw material.
The content of said low-melting fiber is 10% to 20%, is benchmark with the gross weight of fibrous raw material.
A kind of Recycled Fibers is cotton, according to the cellucotton of above-mentioned technology manufacturing.
A kind of Recycled Fibers cotton of the present invention and preparation technology thereof have following beneficial effect:
1. the present invention utilizes the fine quality of corn, fibre and soya; Corn, fibre and soya are raw material with corn, soybean; Be converted into lactic acid through fermentation; Process respective fiber through polymerization, melt spinning, be plant novel synthetic fiber that can complete biodegradable.The discarded back of its goods in soil or seawater through microbial action; Can be decomposed into carbon dioxide and water; Can not distribute poison gas during burning; Can not pollute; It is again that plants reproducible green fiber; To consume a large amount of non-renewable petroleum resources unlike chemical fibre cotton, be plant the ecological property raw material that has development potentiality, be the worthy companion that we live;
2. main raw material of the present invention is corn, fibre and soya; Can complete biodegradable; The discarded back of its goods can be decomposed into carbon dioxide and water in soil or in the seawater; Can transform or substitute the cellucotton that is widely used in amenitiess such as household articles, sanltary towel, protection pad, baby diaper (sheet), Moistured towel, inferior property operation clothing, mouth mask, the medical operation tablecloth, nursing care bed sheet such as daily life mattress commonly used, Sofa mattress, flocculus, automobile sound-absorbing insulation material for building, the industrial filter material insulation material of air of industry location pre-filtering, dress ornament liner and field such as heat insulating material formed, satisfy the pursuit of people nature, environmental protection, fashion;
3. the present invention adopts the cellucotton of this explained hereafter; Wherein technologies such as cooling and shaping, air lay are the technology of my exclusive patent applied for fast, have improved the interior fibre three-dimensional distributed architecture of cellucotton and have made end prod controllable thickness scope increase (this technology end prod thickness 3-300mm, existing market technology end prod thickness 5-80mm); The fibre density of web is improved; The TENSILE STRENGTH of web strengthens, and elasticity (360 degree) increases with multiple, and warmth retention property improves; Heat insulation, sound-absorbing effect is better, range of application is wider.
The specific embodiment
plants the cotton preparation technology preparation technology of Recycled Fibers and comprise successively: packing etc. is cut in weighing and burden, thick shredding, smart shredding, air lay, heat bonding typing, introduces as follows respectively at present:
A. weighing and burden: the gross weight with fibrous raw material is a benchmark; The low-melting fiber of employing 10% to 30% and 90% to 70% zein fiber, fibre and soya they or both mixed preparation raw material
Present embodiment one proportioning: 10% low-melting fiber LMF (4080 low-melting fiber) and 90% zein fiber (accomplishing by the cutting machine batch mixer as );
Embodiment two proportionings: 20% low-melting fiber LMF (4080 low-melting fiber) and 80% fibre and soya;
Embodiment three proportionings: 25% low-melting fiber LMF (4080 low-melting fiber) and 75% zein fiber and fibre and soya;
Proportioning as required; Certainly want adhesive effect well then can the low-melting fiber proportioning can height; Want the clearing damp deodorizing good high, but the low-melting fiber proportioning can not be lower than 10% with regard to bamboo carbon fibre, otherwise; The cellucotton adhesive effect of producing is just too poor, it is also conceivable that the factor of both production costs certainly.If zein fiber, fibre and soya then increase corresponding effect through flame treatment and sterilization antimicrobial treatment.
With the fibrous raw material of said ratio mixed repeatedly evenly after with this preparation raw material, send into through conveyer belt
B. thick shredding: adopt shredding machinery (the same prior art of operation principle),, make fiber fluffy, obtain fully mixed with the preliminary shredding of fiber.Present embodiment adopts three grades of thick shreddings for guaranteeing the shredding effect, gets into then,
C. smart shredding: adopt the metal needle plate and fight back combining of hired roughneck; Control feeding fiber evenly causes; Shredding is soft, and fibre damage is little, gets into for preventing to be mingled with in the raw material like foreign material such as rubble, button, safety pin, badges; The removal of impurities program is set in the production, gets into
D. removal of impurities: with high speed steering device and gatherer, separate foreign material and discharge automatically through centrifugal force, to guarantee security of products, after the removal of impurities, blower fan blows out, gets into,
E. air lay: show " cellucotton that plants airflow air laid fiber cotton preparing process and process " patent that violent wind was asked in 15 days April in 2008 referring to Huang about air-laid process and technological related content; Patent No. CN200810027380.2; Open (bulletin) day: 2008.11.19 discloses (bulletin) number: CN101307529.
Random web-laying equipment comprises individual hopper; In the induced-draught fan of individual band guard is housed; Fiber is evenly distributed, be evenly distributed in the hopper blow into the fiber that comes from blower fan.The hopper bottom has that delivery roller is sent into mixing chamber to fiber, and fiber obtains further mixed in mixing chamber.Fiber in the mixing chamber is transported in the blank forming device by a skew nailing convoying curtain through conveyer belt again, through band hired roughneck's cylinder shredding again, sends into the blank forming device.The blank forming device is made up of the outer wall (wall) of mixing chamber and the vibration plate of band vibrations, makes compact being deposited in of fiber in the blank forming device increase green density together through interaction.Hopper and mixing chamber all are equipped with dedusting fan, siphon away the micronic dust in the fiber, and the dust of absorption is delivered to central dust collect plant through closed pipeline, focus on, and can not influence the shopwork environment, and the infringement employee is healthy.In blank forming device bottom 4 delivery rollers and X ray (not being with radioactive source) weight TT&C system are housed; This system can measure the green density in blank forming device exit exactly; As the green density that detects departs from original setting value; Computer can send 4 delivery rollers that signal is given blank forming device bottom, and the output speed of adjusting them automatically is to keep correct green density.The blank that comes out from the blank forming device can be again by nail-plate cylinder shredding again, then through the pressurized gas delivery of blower fan to becoming lace curtaining and become to form required network structure between the net drum.A pair of circular edge-trimming cutter is equipped with in the exit of random web-laying equipment; The unnecessary corner of excision cellucotton blank; The cellucotton blank continues to get into the heat bonding typing and cuts packet assembler, and unnecessary corner is siphoned away by induced-draught fan, and feeds back in the lapper and the mixed again reuse of fiber.
After random web-laying equipment is handled, make fiber be the support frame of square crossing distributed in three dimensions, the slap-up overall structure of fiberizing in the past that changed has increased the bounce that 360 of fibre structure is spent greatly.Thereby the fibre density of web is improved, and the TENSILE STRENGTH of web strengthens, and elasticity (360 degree) increases with multiple.
That is: said molding mode is an air-laid process; Be through air-flow to after mixed through step of fully mixing that fluffy fiber is evenly distributed in the hopper after the shredding, pressurized gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
Fibre transportation after in hopper, advancing in the said air-laid process step is mixed is to the blank forming device; Compactness is accumulated to the blank of setting density under fiber is with vibrations in the blank forming device vibration plate and the effect of corresponding wall; This blank is again through nail-plate cylinder shredding again, and pressurized then gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
F. packing is cut in the heat bonding typing: suggestion heat bonding setting process adopts quick cooling calibrator and correlation technique; Related content shows " a kind of heat treatment shaping machine " patent of violent wind application on 05 09th, 2007 referring to Huang; Patent No. CN200720051111.0; Open (bulletin) day: 2008.03.05 discloses (bulletin) number: CN201031299.Cooling and shaping employing air cooling way is good fast; Regulate the setting machine lowering or hoisting gear in advance; The thickness that controlling fiber is cotton gets into shaping process while hot immediately: drop into the setting machine of suitable the present invention's design, start blower fan and pressure rolling device; Make through the rapid immediately cooling and shaping of the cellucotton of setting machine, reach needed thickness and density;
Be with 2 oven heats and 1 cooler bin, casing adopts the environmental protection heat insulation foam outward, to guarantee fully to practice thrift heat energy and the influence that reduces environment.Drop into baking oven, heat baking setting temperature is 110-130 ℃ of heat baking, and low-melting fiber is melted; The fiber of fusion adhesion, the peripheral part of fusing are as glue, and be bonding with other fibers; Make mixing just between the reticular fibre of one-step forming fully sticking each other and after, get into the cooler bin typing immediately.
Get into then and divide cutting process: can accomplish through cutting machine, regulate the cutter distance between rip cutting, crosscut, accomplish by the length and width of designing requirement and cut packing, accomplish the cotton manufacturing process of clearing damp deodorization fiber.
This invention can be applied in totally-enclosed (only minority is imported and exported material), and computer is controlled automation production flow line.Certainly; The baking of shredding, moulding heat is bonding, cut each operation all can adopt existing mature technology; And air lay, fast the cooling and shaping technology is significant to improving the cellucotton quality, and the cellucotton of same every square of grammes per square metre (density) is through after the manufacturing approach of the present invention, can its thickness of wider control and density; The quality uniform outer surface is smooth, and existing other technologies can't be accomplished.
Certainly, the invention is not restricted to the above-mentioned embodiment that illustrates, all modification and equivalent transformations of doing according to the present invention's spirit, or adopt various deformation on this basis, all belong in the protection domain of the present invention.

Claims (8)

1. the cotton preparation technology of a Recycled Fibers; It is characterized in that: the gross weight with fibrous raw material is a benchmark; Adopt a kind of or two kinds of mixed preparation raw material of 10% to 30% low-melting fiber and 90% to 70% zein fiber, fibre and soya, with this preparation raw material successively through opening material, comb and parallel cotton fibers prior to spinning, moulding, heat dry by the fire bonding after, carry out the quick cooling and shaping of pressure rolling while hot simultaneously; Cut packing then on request, wherein heat baking setting temperature is 110-130 ℃.
2. the cotton preparation technology of a kind of Recycled Fibers according to claim 1, it is characterized in that: said quick cooling and shaping is an air cooling way.
3. the cotton preparation technology of a kind of Recycled Fibers according to claim 1 and 2; It is characterized in that: said molding mode is an air-laid process; Be through air-flow to through fully mix after the shredding fluffy fiber be evenly distributed in the hopper further mixed after, pressurized gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
The fibre transportation after further the mixing in hopper in the said air-laid process is to the blank forming device; Compactness is accumulated to the blank of setting density under fiber is with vibrations in the blank forming device vibration plate and the effect of corresponding wall; This blank is again through nail-plate cylinder shredding again, and pressurized then gas delivery is to becoming lace curtaining and become to form required network structure between the net drum.
4. the cotton preparation technology of a kind of Recycled Fibers according to claim 3 is characterized in that: said zein fiber or fibre and soya are the fibers through flame treatment.
5. the cotton preparation technology of a kind of Recycled Fibers according to claim 3 is characterized in that: said zein fiber or fibre and soya are the fibers through the sterilization antimicrobial treatment.
6. the cotton preparation technology of a kind of Recycled Fibers according to claim 3, it is characterized in that: the content of said low-melting fiber is 15% to 25%, is benchmark with the gross weight of fibrous raw material.
7. the cotton preparation technology of a kind of Recycled Fibers according to claim 3, it is characterized in that: the content of said low-melting fiber is 10% to 20%, is benchmark with the gross weight of fibrous raw material.
8. a Recycled Fibers cotton is characterized in that: according to the cellucotton of the said technology manufacturing of one of claim 1 to 7.
CN2011102913256A 2011-09-29 2011-09-29 Environmental-friendly fiber cotton and preparation process thereof Pending CN102425037A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704188A (en) * 2012-07-04 2012-10-03 重庆百亚卫生用品有限公司 Bactericidal and antiallergic non-woven fabric
CN103556393A (en) * 2013-11-08 2014-02-05 丹阳市超超服饰有限公司 Environment-friendly acupuncture cotton
CN103726228A (en) * 2014-01-19 2014-04-16 洪义锋 Antibacterial cotton and production technology thereof
CN105671789A (en) * 2016-01-15 2016-06-15 李恒同 Preparation method of airflow piled formed bionic bird nest cotton
WO2017084061A1 (en) * 2015-11-19 2017-05-26 冯李荣 Fireproof and inflaming retarding blended fabric
CN111134379A (en) * 2019-12-29 2020-05-12 江苏恒力化纤股份有限公司 Preparation method of non-glue cotton for underwear
CN112481810A (en) * 2020-11-23 2021-03-12 舒城娃娃乐儿童用品有限公司 Preparation method of non-glue soft cotton

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050583A (en) * 2007-05-09 2007-10-10 黄显飚 Fiber cotton and its producing method
CN101307529A (en) * 2008-04-15 2008-11-19 黄显飚 Airflow air laid fiber cotton preparing process and manufactured fibre cotton
CN101519830A (en) * 2009-04-07 2009-09-02 侯玉生 Method for preparing corn fiber non-woven fabric
CN101691680A (en) * 2009-07-23 2010-04-07 嘉兴市中超无纺有限公司 Insulation cotton made of corn fibers and production method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050583A (en) * 2007-05-09 2007-10-10 黄显飚 Fiber cotton and its producing method
CN101307529A (en) * 2008-04-15 2008-11-19 黄显飚 Airflow air laid fiber cotton preparing process and manufactured fibre cotton
CN101519830A (en) * 2009-04-07 2009-09-02 侯玉生 Method for preparing corn fiber non-woven fabric
CN101691680A (en) * 2009-07-23 2010-04-07 嘉兴市中超无纺有限公司 Insulation cotton made of corn fibers and production method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704188A (en) * 2012-07-04 2012-10-03 重庆百亚卫生用品有限公司 Bactericidal and antiallergic non-woven fabric
CN103556393A (en) * 2013-11-08 2014-02-05 丹阳市超超服饰有限公司 Environment-friendly acupuncture cotton
CN103726228A (en) * 2014-01-19 2014-04-16 洪义锋 Antibacterial cotton and production technology thereof
WO2017084061A1 (en) * 2015-11-19 2017-05-26 冯李荣 Fireproof and inflaming retarding blended fabric
CN105671789A (en) * 2016-01-15 2016-06-15 李恒同 Preparation method of airflow piled formed bionic bird nest cotton
CN105671789B (en) * 2016-01-15 2017-10-24 孙福胜 A kind of air-flow piles up the preparation method for being molded bionical Bird's Nest cotton
CN111134379A (en) * 2019-12-29 2020-05-12 江苏恒力化纤股份有限公司 Preparation method of non-glue cotton for underwear
CN112481810A (en) * 2020-11-23 2021-03-12 舒城娃娃乐儿童用品有限公司 Preparation method of non-glue soft cotton

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Application publication date: 20120425