CN108582931A - A kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function - Google Patents

A kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function Download PDF

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Publication number
CN108582931A
CN108582931A CN201810324308.XA CN201810324308A CN108582931A CN 108582931 A CN108582931 A CN 108582931A CN 201810324308 A CN201810324308 A CN 201810324308A CN 108582931 A CN108582931 A CN 108582931A
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China
Prior art keywords
layer
terylene
fiber crops
temperature
tow
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CN201810324308.XA
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Chinese (zh)
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相里海霞
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Individual
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Priority to CN201810324308.XA priority Critical patent/CN108582931A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0223—Vinyl resin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Woven Fabrics (AREA)

Abstract

The present invention provides a kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function, including Chinese fiber crops blended layer, terylene setting layer and acrylic fibers flame-retardant layer, the Chinese fiber crops blended layer is arranged on the inside of terylene setting layer, and the acrylic fibers flame-retardant layer is arranged on the outside of terylene setting layer, and process includes：Step 1：Weaving terylene setting layer, is cross-woven using warp and weft in 90 ° of angles, to form sparse reticular structure, warp and weft are terylene；Step 2：Weaving Chinese fiber crops blended layer, blended china-hemp fibers of weaving on the inside of terylene setting layer, and china-hemp fibers is made to be staggered to form closely knit fabric；Step 3：Weaving acrylic fibers flame-retardant layer, acrylic fiber of weaving on the outside of terylene setting layer, and acrylic fiber is made to be staggered to form closely knit flame-retardant layer；Compared with prior art, the present invention has following advantageous effect：Fixed effect is improved, flame retarding function is realized, sun-screening function is good.

Description

A kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function
Technical field
The present invention is a kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function, belongs to fabric technical field.
Background technology
Chinese fiber crops also known as hemp, cold fiber crops, fiery fiber crops etc., alias appellation up to more than ten is planted.History records carry, and fiber crops are originating from China, by it Manufactured clothes finery have a variety of work(such as moisture absorption, ventilative, pleasant, heat dissipation, mould proof, antibacterial, radioresistance, antiultraviolet, sound-absorbing Can, it not only can be military but also can be civilian.And to be made for the effect of antimicrobial socks, just by extensive favorable comment.Chinese fiber crops are that the mankind are earliest For the natural fiber of fabric, the clothes finery made of it have moisture absorption, it is ventilative, pleasant, radiate, be mould proof, antibacterial, anti-spoke It penetrates, the multiple functions such as antiultraviolet, sound-absorbing, it not only can be military but also can be civilian.
The performance pole of polyacrylonitrile fibre is like wool, and preferably, rebound degree can still keep 65% to elasticity when extending 20%, fluffy volume Bent and soft, warmth retention property is higher than wool by 15%, there is the title of synthetic wool.22.1~48.5cN/tex of intensity, higher than wool by 1~ 2.5 again.Sun-proof function admirable, open-air exposure 1 year, intensity only declines 20%, can make curtain, curtain, tarpaulin, gun cover etc..Energy Acidproof, antioxidant and common organic solvents, but alkali resistance is poor.190~230 DEG C of fiber softening temperature, acrylic fiber someone Make the title of wool.Have many advantages, such as soft, bulk, easy dye, bright in colour, fast light, antibacterial, be not afraid of and damage by worms, according to different purposes Requirement can it is pure spinning or with it is natural fibre blended, textile is widely used in the fields such as clothes, decoration, industry.
Chinese fiber crops blended yarn weaved fabric fixed effect is poor, and does not have flame retardant effect, easily causes shrinkage in use, is easy Burnt out by high temperature, thus need it is a kind of with the Chinese fiber crops blended yarn weaved fabric of flame retarding function to solve the above-mentioned problem.
Invention content
In view of the deficienciess of the prior art, the blended face of Chinese fiber crops that it is an object of the present invention to provide a kind of with flame retarding function Material, to solve the problems mentioned in the above background technology.
To achieve the goals above, the present invention is to realize by the following technical solutions：It is a kind of with flame retarding function Chinese fiber crops blended fabric, including Chinese fiber crops blended layer, terylene setting layer and acrylic fibers flame-retardant layer, the Chinese fiber crops blended layer are arranged in terylene On the inside of setting layer, the acrylic fibers flame-retardant layer is arranged on the outside of terylene setting layer, and process includes：
Step 1：Weaving terylene setting layer, is cross-woven using warp and weft in 90 ° of angles, sparse to be formed Reticular structure, warp and weft are terylene；
Step 2：Weaving Chinese fiber crops blended layer, blended china-hemp fibers of weaving on the inside of terylene setting layer, and make china-hemp fibers stagger mode At closely knit fabric；
Step 3：Weaving acrylic fibers flame-retardant layer, acrylic fiber of weaving on the outside of terylene setting layer, and it is close so that acrylic fiber is staggered to form Real flame-retardant layer；
Step 4：The fabric that weaving is completed carries out dyeing and finishing, is delivered in curer and is baked after resin finishing after completion Sizing.
Further, in the step 1, the preparation method of polyester fiber is：The slurry of configuration is laggard by refining Row polycondensation, the melt conveying after polycondensation are delivered to after cooling supercharging in manifold, to melt pipe through oiling, cooling down after-blow silk It is wound after traction, completes the spinning of polyester fiber.
Further, in the step 2, the processing method of the Chinese fiber crops blend fibre is：It is detached using fresh stem skin bar Equipment to raw material carry out bast fiber extraction, then using squeeze, rubbing, concussion, beating by the way of to Chinese fiber crops bast fiber into The processing of row mechanical degluing, then removes impurity, such as hemicellulose and sawdust through high-temperature rinsing, then through a point fine washing step It is in single fiber and bundle fiber by the fiber division in bast fiber, it is blended then adds Modal progress.
Further, in the step 3, the preparation method of the acrylic fiber is：Using water as medium suspend poly- It closes, condensate is precipitated with flocculent deposit obtained by suspension polymerisation, need to be re-dissolved in solvent and spinning solution is made, and spinning solution is poly- third Alkene nitrile condensate, the wet spinning of polyacrylonitrile fibre high polymeric solution are made, with ceramic piston pump by reaction mixture meter Amount is sent to the first reaction kettle, while the persulfuric acid of addition 0.1% presses initiator, controls pH=1, when under 0.2MPa nitrogen envelope, 40 DEG C About 0.5h is reacted, rear reactant is transferred to the second reaction kettle, and temperature increases 5 DEG C, other conditions are identical, and the reaction was continued about 0.5h, instead Object is answered to turn people's third reaction kettle, temperature increases 3 DEG C again, reacts 0.5h, and reactant is transferred to the 4th reaction kettle, and temperature is raised to 50 DEG C, React about 0.5h, reactant is transferred to the 5th reaction kettle, and temperature 50 C reacts 0.5h again, end reaction polymer concentration up to 8.5%~ 9.0%, it is stored in stoste storage tank after carrying out secondary filter into the flame filter press with heat preservation, stoste storage temperature is maintained at 45~ 50 DEG C, the reaction was continued for unreacted monomer, makes monomer conversion 98% or more, is anticorrosion, sheet frame filter material is that cast iron applies phenol Aldehyde tree vinegar, stoste storage tank are the enamel still with stirring, play nature deaeration in storage process, stoste after storing deaeration, By heat exchanger temperature adjustment to 45 DEG C, constant pressure is sent to 50m1/r gear wheel metering pumps, nozzle is entered after metering, strand enters 25 after initial set DEG C coagulate bath again, strand further removes solvent in coagulating bath again, and gives 1.0~1.5 times of stretching, make strand have it is certain by force Power goes out to coagulate bath speed about 7~8m/min again, after strand coagulates again, through boundling at big tow, into six slot rinsing machine water of three-layer type It washes tow and 70 DEG C of desalted water adverse currents is advanced, temperature is reduced by slot, and 1~1.5 times is stretched in water-washing process.Tow after washing, Into the first finishing bathtray, 50~60 DEG C of bath temperature, the tow liquid content that oils is up to after 100%~120%, into pulley type heated-air drying Machine, at 80~100 DEG C, tension dries 15~20min, and hot wind is advanced with tow at adverse current, tow aqueous 2% when going out dryer ~4%, tow carries out hot-stretch in hot-rolling stretching-machine, preceding to stretch 2~2.5 times, and 2~3 times of post-tensioning always stretches 5~6 times, Drawing zone residence time about l0s enters hot plate sizing in relaxed state, and hot plate is electrically heated by heating wire temperature control, middle pressure steam At superheated vapor, temperature is directly sprayed onto tow surface up to 220~240 DEG C, and tow is made aqueous by steam dewing after sizing treatment Up to 10%.Temperature is 80 DEG C, by squash type crimping machine machine crimp, then oils, is dried at 80 DEG C of curtain plate dryer through secondary, After making tow is aqueous to be less than 2%, it is sent to cut-out.
Beneficial effects of the present invention：A kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function of the present invention, because the present invention adds Chinese fiber crops blended layers, terylene setting layer and acrylic fibers flame-retardant layer, improve fixed effect, realize flame retarding function, sun-screening function It is good.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to Specific implementation mode, the present invention is further explained.
The present invention provides a kind of technical solution：A kind of Chinese fiber crops blended fabric with flame retarding function, including Chinese fiber crops blended layer, Terylene setting layer and acrylic fibers flame-retardant layer, the Chinese fiber crops blended layer are arranged on the inside of terylene setting layer, and the acrylic fibers flame-retardant layer is set It sets on the outside of terylene setting layer, process includes：
Step 1：Weaving terylene setting layer, is cross-woven using warp and weft in 90 ° of angles, sparse to be formed Reticular structure, warp and weft are terylene；
Step 2：Weaving Chinese fiber crops blended layer, blended china-hemp fibers of weaving on the inside of terylene setting layer, and make china-hemp fibers stagger mode At closely knit fabric；
Step 3：Weaving acrylic fibers flame-retardant layer, acrylic fiber of weaving on the outside of terylene setting layer, and it is close so that acrylic fiber is staggered to form Real flame-retardant layer；
Step 4：The fabric that weaving is completed carries out dyeing and finishing, is delivered in curer and is baked after resin finishing after completion Sizing.
As an embodiment of the present invention：In the step 1, the preparation method of polyester fiber is：By the slurry of configuration Material carries out polycondensation after alcoholization, the melt conveying after polycondensation to melt pipe, is delivered in manifold after cooling supercharging, through upper It is wound after oil, cooling after-blow silk traction, completes the spinning of polyester fiber.
As an embodiment of the present invention：In the step 2, the processing method of the Chinese fiber crops blend fibre is：It adopts Bast fiber extraction is carried out to raw material with fresh stem skin bar separation equipment, then using squeeze, rubbing, concussion, pat by the way of pair Chinese fiber crops bast fiber carries out mechanical degluing processing, then removes impurity, such as hemicellulose and sawdust through high-temperature rinsing, then Through point fine washing step by the fiber division in bast fiber in single fiber and bundle fiber, then adds Modal and mixed It spins.
As an embodiment of the present invention：In the step 3, the preparation method of the acrylic fiber is：It is with water Medium carries out suspension polymerisation, and condensate obtained by suspension polymerisation is precipitated with flocculent deposit, need to be re-dissolved in solvent that spinning is made is molten Liquid, spinning solution are polyacrylonitrile condensate, and the wet spinning of polyacrylonitrile fibre high polymeric solution is made, and uses ceramic piston pump Reaction mixture is metered to the first reaction kettle, while the persulfuric acid of addition 0.1% presses initiator, pH=1 is controlled, in 0.2MPa Under nitrogen envelope, 40 DEG C when react about 0.5h, rear reactant is transferred to the second reaction kettle, and temperature increases 5 DEG C, and other conditions are identical, continues About 0.5h is reacted, reactant turns people's third reaction kettle, and temperature increases 3 DEG C again, reacts 0.5h, and reactant is transferred to the 4th reaction kettle, Temperature is raised to 50 DEG C, reacts about 0.5h, and reactant is transferred to the 5th reaction kettle, and temperature 50 C reacts 0.5h, end reaction polymerization again Object concentration is stored in stoste storage tank, stoste storage up to 8.5%~9.0% after carrying out secondary filter into the flame filter press with heat preservation Temperature is maintained at 45~50 DEG C, and the reaction was continued for unreacted monomer, makes monomer conversion 98% or more, is anticorrosion, sheet frame filter Material is that cast iron applies phenolic aldehyde tree vinegar, and stoste storage tank is the enamel still with stirring, plays nature deaeration, stoste in storage process After storing deaeration, by heat exchanger temperature adjustment to 45 DEG C, constant pressure is sent to 50m1/r gear wheel metering pumps, nozzle is entered after metering, just Strand is bathed into 25 DEG C coagulate again after solidifying, and strand further removes solvent in coagulating bath again, and gives 1.0~1.5 times of stretchings, makes Strand has certain strength, goes out to coagulate bath speed about 7~8m/min again, after strand coagulates again, through boundling at big tow, into three-layer type six Slot rinsing machine washes tow and 70 DEG C of desalted water adverse currents are advanced, and temperature is reduced by slot, and 1~1.5 times is stretched in water-washing process.Silk After washing, into the first finishing bathtray, 50~60 DEG C of bath temperature, the tow liquid content that oils is up to after 100%~120%, into roller for beam Formula air drier, at 80~100 DEG C, tension dries 15~20min, and hot wind is advanced with tow at adverse current, when going out dryer Tow aqueous 2%~4%, tow carry out hot-stretch in hot-rolling stretching-machine, and preceding to stretch 2~2.5 times, 2~3 times of post-tensioning is total to draw 5~6 times are stretched, in drawing zone residence time about l0s, enters hot plate sizing in relaxed state, hot plate is steamed by heating wire temperature control, middle pressure Gas is electrically heated into superheated vapor, and temperature is directly sprayed onto tow surface up to 220~240 DEG C, and tow is given by steam after sizing treatment It is wet, make aqueous up to 10%.Temperature be 80 DEG C, by squash type crimping machine machine crimp, then through it is secondary oil, curtain plate dryer 80 It is dried at DEG C, after making tow is aqueous to be less than 2%, is sent to cut-out.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention It is interior.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (4)

1. a kind of Chinese fiber crops blended fabric with flame retarding function, including Chinese fiber crops blended layer, terylene setting layer and acrylic fibers flame-retardant layer, It is characterized in that：The Chinese fiber crops blended layer is arranged on the inside of terylene setting layer, and the acrylic fibers flame-retardant layer is arranged in terylene setting layer Outside, process include：
Step 1：Weaving terylene setting layer, is cross-woven using warp and weft in 90 ° of angles, sparse to be formed Reticular structure, warp and weft are terylene；
Step 2：Weaving Chinese fiber crops blended layer, blended china-hemp fibers of weaving on the inside of terylene setting layer, and make china-hemp fibers stagger mode At closely knit fabric；
Step 3：Weaving acrylic fibers flame-retardant layer, acrylic fiber of weaving on the outside of terylene setting layer, and it is close so that acrylic fiber is staggered to form Real flame-retardant layer；
Step 4：The fabric that weaving is completed carries out dyeing and finishing, is delivered in curer and is baked after resin finishing after completion Sizing.
2. a kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function according to claim 1, it is characterised in that：In the step In one, the preparation method of polyester fiber is：The slurry of configuration is subjected to polycondensation after alcoholization, the melt conveying after polycondensation is to molten Body pipeline is delivered to after cooling supercharging in manifold, is wound after oiling, cooling down the traction of after-blow silk, is completed the spinning of polyester fiber Silk.
3. a kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function according to claim 1, it is characterised in that：In the step In two, the processing method of the Chinese fiber crops blend fibre is：Bast fiber extraction is carried out to raw material using fresh stem skin bar separation equipment, Then mechanical degluing processing is carried out to Chinese fiber crops bast fiber by the way of squeezing, rubbing, shaking, pat, then through high temperature drift It washes away and removes impurity, such as hemicellulose and sawdust, then divide the fiber in bast fiber in single through a point fine washing step Then it is blended to add Modal progress for fiber and bundle fiber.
4. a kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function according to claim 1, it is characterised in that：In the step In three, the preparation method of the acrylic fiber is：Suspension polymerisation is carried out by medium of water, condensate is with cotton-shaped obtained by suspension polymerisation Precipitation need to be re-dissolved in solvent and spinning solution is made, and spinning solution is polyacrylonitrile condensate, and polyacrylonitrile fibre is high The wet spinning of copolymer solution is made, and reaction mixture is metered to the first reaction kettle with ceramic piston pump, is added simultaneously 0.1% persulfuric acid presses initiator, controls pH=1, and about 0.5h is reacted when under 0.2MPa nitrogen envelope, 40 DEG C, and rear reactant is transferred to the Two reaction kettles, temperature increase 5 DEG C, other conditions are identical, and the reaction was continued about 0.5h, and reactant turns people's third reaction kettle, and temperature is again 3 DEG C are increased, 0.5h is reacted, reactant is transferred to the 4th reaction kettle, and temperature is raised to 50 DEG C, reacts about 0.5h, and reactant is transferred to the 5th Reaction kettle, temperature 50 C react 0.5h again, and end reaction polymer concentration is up to 8.5%~9.0%, into the plate-frame filtering with heat preservation Machine is stored in stoste storage tank after carrying out secondary filter, and stoste storage temperature is maintained at 45~50 DEG C, and the reaction was continued for unreacted monomer, makes Monomer conversion is anticorrosion 98% or more, and sheet frame filter material is that cast iron applies phenolic aldehyde tree vinegar, and stoste storage tank is with stirring Enamel still, play nature deaeration in storage process, stoste is after storing deaeration, by heat exchanger temperature adjustment to 45 DEG C, constant pressure 50m1/r gear wheel metering pumps are sent to, nozzle is entered after metering, strand is bathed into 25 DEG C coagulate again after initial set, and strand in coagulating bath again Solvent is further removed, and gives 1.0~1.5 times of stretchings, strand is made to have certain strength, goes out to coagulate bath speed about 7~8m/min again, After strand coagulates again, through boundling at big tow, washes tow into six slot rinsing machine of three-layer type and 70 DEG C of desalted water adverse currents is advanced, Temperature is reduced by slot, and 1~1.5 times is stretched in water-washing process；Tow after washing, into the first finishing bathtray, 50~60 DEG C of bath temperature, Tow liquid content oil up to after 100%~120%, into pulley type air drier, at 80~100 DEG C, tension drying 15~ 20min, hot wind are advanced with tow at adverse current, and tow aqueous 2%~4% when going out dryer, tow carries out heat in hot-rolling stretching-machine It stretches, preceding to stretch 2~2.5 times, 2~3 times of post-tensioning always stretches 5~6 times, in drawing zone residence time about l0s, in relaxation shape State enters hot plate sizing, and hot plate is electrically heated into superheated vapor by heating wire temperature control, middle pressure steam, temperature up to 220~240 DEG C, It directly is sprayed onto tow surface, tow is made aqueous up to 10% by steam dewing after sizing treatment；Temperature is 80 DEG C, is crimped by squash type Then machine machine crimp oils, is dried at 80 DEG C of curtain plate dryer through secondary, after making tow is aqueous to be less than 2%, is sent to cut-out.
CN201810324308.XA 2018-04-12 2018-04-12 A kind of Chinese fiber crops blended yarn weaved fabric with flame retarding function Pending CN108582931A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111607898A (en) * 2020-04-26 2020-09-01 马建伟 Production process of high-performance composite material based on China hemp fibers

Citations (4)

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CN111607898A (en) * 2020-04-26 2020-09-01 马建伟 Production process of high-performance composite material based on China hemp fibers
CN111607898B (en) * 2020-04-26 2022-09-30 马建伟 Production process of high-performance composite material based on China hemp fibers

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