CN112281277A - Flame-retardant polyester rolling curtain fabric and preparation method thereof - Google Patents

Flame-retardant polyester rolling curtain fabric and preparation method thereof Download PDF

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Publication number
CN112281277A
CN112281277A CN202011102907.0A CN202011102907A CN112281277A CN 112281277 A CN112281277 A CN 112281277A CN 202011102907 A CN202011102907 A CN 202011102907A CN 112281277 A CN112281277 A CN 112281277A
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Prior art keywords
flame
retardant polyester
retardant
colored
functional
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CN202011102907.0A
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CN112281277B (en
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李远明
李露曦
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Shaoxing Sanlida Textile Flame Retardant New Materials Co ltd
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Shaoxing Sanlida Textile Flame Retardant New Materials Co ltd
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
    • D06L1/14—De-sizing
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Woven Fabrics (AREA)

Abstract

The invention discloses a flame-retardant polyester roller shutter fabric and a preparation method thereof, wherein non-flame-retardant polyester chips or non-flame-retardant polyester chips are mixed with high-viscosity copolymerized flame-retardant polyester chips, or the non-flame-retardant polyester chips are mixed with phosphorus flame retardant master batches, then the master batches are respectively added for blending to carry out dope colored spinning, and the obtained roller shutter fabric material is composed of 100% of colored polyester fibers containing flame-retardant functional and functional materials, or is composed of 100% of colored polyester fibers containing flame-retardant functional and functional materials and 100% of colored polyester fibers containing non-flame-retardant functional and functional materials by interweaving. The flame-retardant polyester roller shutter fabric is prepared by mixing the non-flame-retardant polyester chips with low cost with the flame-retardant material, and the cost is greatly reduced on the premise of meeting the mandatory fire-fighting technical standards GB 8624B 1 and B2 in public places in China.

Description

Flame-retardant polyester rolling curtain fabric and preparation method thereof
Technical Field
The invention relates to the technical field of roller blinds (sun shades) made of flame-retardant polyester materials, in particular to a flame-retardant polyester roller blind fabric and a preparation method thereof.
Background
Because a large amount of flammable and combustible materials are used in public places, fire disasters occur continuously, crowd death and crowd injuries are caused, and great loss is caused to the safety of lives and properties of people. The fire-proof performance of twenty-sixth building components, building materials, interior decoration and decorative materials which are newly added in the 'fire-fighting law' revised and implemented in 2009 in China must meet the national standard; there is no national standard and must meet industry standards. The indoor decoration and decoration of the intensive personnel places should use non-combustible and flame-retardant materials according to the requirements of fire-fighting technical standards. "content, in the regulation of" fire control law ", the fire protection technical standard belonging to the level of flame retardant materials is the national mandatory two standards of flame retardant grade 1 of the standard of GB 20286-2006" requirements and identifications of combustion performance of flame retardant products and components in public places "and the standard of B1 of the standard of GB 8624-2012" grading of combustion performance of fire retardant materials in buildings ". In GB50222 "fire code for interior decoration design of buildings", the fire code divides different places according to the degree of fire risk, and defines the use ranges of GB 8624B 1 level or B2 level, that is: in the decoration and decoration materials of public places, except that GB 8624B 1 grade is required to be used according to 26 th regulation of fire control Law, GB 8624B 2 grade can be used as the decoration and decoration materials of some parts according to the fire protection regulation of GB50222 standard. In public places such as office buildings (rooms), waiting halls, train high-speed rails and the like in places with dense people in China, a large number of roller shutters with sun-shading function are used all the time, but few flame-retardant roller shutters capable of meeting the regulations of laws, regulations and flame-retardant standards are available in the market. The 'combustion performance' is specified in JG/T254-. Therefore, the market space for flame retardant roll-up window curtains is very large and the demand is increasing.
The flame-retardant roller shutter fabric produced in the prior art is difficult to meet GB 8624-2012B 1 level (flame-retardant material), and the roller shutter fabric which can meet GB 8624-2012B 2 level standard is generally produced by a method of adding a flame-retardant coating or glass fiber woven cloth to polyester material and then coating. The flame-retardant roller shutter fabric produced by adopting the method of weaving glass fiber and then coating still has the following obvious defects: namely, the process is complex, the cost is high, the product price is high, and simultaneously, the glass fiber material is not friendly to human body and environment in the using process. The production technology method of the flame-retardant roller shutter fabric in the market is as follows: the polyester fiber cloth is produced by coating materials such as PVC and the like with flame retardant, but the products of the technical method can not meet GB 8624B 1 grade (LOI is more than or equal to 32.0 percent), and can meet GB 8624B 2 grade (LOI is more than or equal to 26.0 percent), but the technology and the products still have defects, namely the products are coated with the flame retardant together with organic materials such as PVC and the like, the production cost is still high, and the production coating process has great influence on human health and environment. In addition, the unreasonable proportion of flame-retardant materials to non-flame-retardant materials can not ensure the flame-retardant effect of the product.
Disclosure of Invention
The invention aims to provide a flame-retardant polyester roller shutter fabric and a preparation method thereof, the flame-retardant polyester roller shutter fabric is prepared by mixing non-flame-retardant polyester chips with low cost and flame-retardant materials, and the cost is greatly reduced on the premise of meeting the mandatory fire-fighting technical standards GB 8624B 1 and B2 in public places in China.
On one hand, the invention provides a preparation method of flame-retardant polyester roller shutter fabric, which comprises the following steps of mixing non-flame-retardant polyester chips, or mixing the non-flame-retardant polyester chips with high-viscosity copolymerized flame-retardant polyester chips, or mixing the non-flame-retardant polyester chips with phosphorus flame retardant master batches, respectively adding the master batches for blending to carry out stock solution coloring spinning, weaving gray fabric and treating by a dye factory:
step 1, 1) mixing non-flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g with copolymerized flame-retardant polyester chips with the phosphorus content of 5500-7100 ppm and the viscosity of 0.72-0.95 dL/g, wherein the mixing ratio of the non-flame-retardant polyester chips to the copolymerized flame-retardant polyester chips is 35-65 wt%, and the copolymerized flame-retardant polyester chips is 65-35 wt%, or 2) the copolymerized flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g, or 3) the non-flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g are mixed with phosphorus flame retardant master batches;
respectively adding color master batches and functional materials into the raw materials 1) to 4), uniformly blending, and performing dope colored spinning and post-spinning to obtain colored functional flame-retardant polyester fibers and colored functional non-flame-retardant polyester fibers;
step 2, weaving colored functional flame-retardant polyester grey cloth by colored functional flame-retardant polyester fibers, or weaving colored functional flame-retardant polyester fibers and colored functional non-flame-retardant polyester fibers into colored functional flame-retardant polyester grey cloth;
and 3, adding a weak alkaline cleaning agent into the colored functional flame-retardant polyester gray fabric at the temperature of 100-120 ℃ or adding a desizing agent for desizing, adding a weak alkaline cleaning agent into the colored functional flame-retardant polyester gray fabric prepared by blending with the phosphorus flame retardant master batch at the temperature of 100-105 ℃ or adding the desizing agent for desizing, cleaning at the temperature of 80-95 ℃, and sizing at the temperature of 165-205 ℃ and the speed of 15-30 m/min on a setting machine to obtain the flame-retardant polyester roller shutter fabric.
The non-flame-retardant polyester chip, the copolymerization flame-retardant polyester chip and the organic phosphorus flame retardant master batch are all commercially available. Firstly, obtaining four fibers, namely the colored functional flame-retardant polyester fiber prepared in the step 1, 1), the colored functional flame-retardant polyester fiber prepared in the step 1, 2), the colored functional non-flame-retardant polyester fiber prepared in the step 1, 3) and the colored functional flame-retardant polyester fiber prepared in the step 1, 4).
The colored functional flame-retardant polyester grey fabric consists of: all 1) the prepared colored functional flame-retardant polyester fibers are woven, or all 4) the prepared colored functional flame-retardant polyester fibers are woven, or 2) 65-35 wt% of the prepared colored functional flame-retardant polyester fibers and 3) 35-65 wt% of the prepared colored functional non-flame-retardant polyester fibers are interwoven, or 1) the colored functional flame-retardant polyester fibers are interwoven with 2) the colored functional flame-retardant polyester fibers, or 3) the colored functional non-flame-retardant polyester fibers are interwoven with 4) the colored functional flame-retardant polyester fibers, or other modes are interwoven under the condition of controlling a proper proportion under the condition that the flame-retardant effect of the product flame-retardant polyester roller shutter fabric can meet the condition that the oxygen index value reaches 26.3% or above.
The invention aims to reduce the dosage of flame-retardant components on the premise of ensuring that the combustion performance of the flame-retardant polyester roller shutter fabric meets GB 8624B 1 grade and B2 grade and the using function of the roller shutter fabric, for example, the production cost can be greatly reduced by using non-flame-retardant chips and flame-retardant chips for mixed spinning, for example, non-flame-retardant yarns are interwoven with flame-retardant yarns, or non-flame-retardant chips and flame retardant for mixed spinning, and the degree of cost reduction is reduced by more than 15 percent compared with that of the flame-retardant polyester roller shutter fabric produced by using 100 percent copolymerized flame-retardant polyester chips as raw materials.
The high-viscosity polyester chip is adopted as a raw material, because the molecular weight of the high-viscosity polyester is higher than that of the conventional polyester, the molecular chain length is long, the slippage space between molecules is reduced, the spinning can obtain the flame-retardant terylene or non-flame-retardant terylene DTY (draw textured yarn) interlaced yarn and/or ATY (oriented yarn) with high breaking strength, the stiffness of the fiber is increased, the fiber is woven into grey cloth, the grey cloth is subjected to high-temperature treatment by a dyeing mill to shrink the fiber, and the high-temperature shaping is carried out to fix the fiber and the extensibility and the stiffness of the fabric, so that the fabric is not deformed and wrinkled, and the using function of the roller shutter; when the fabric is not coated, the stiffening agent and similar substances are not added, the combustion performance of the roller shutter fabric is not influenced by combustible organic substances to reach the required flame-retardant grade, and the fabric material components are kept to be composed of 100% of colored functional flame-retardant polyester fibers or are formed by interweaving the colored functional flame-retardant polyester fibers and the colored functional non-flame-retardant polyester fibers.
If the viscosity of the polyester chip is low, such as the viscosity is below 0.7dL/g, the breaking strength of the spun fiber is low and the spun fiber is soft, and the produced fabric cannot be stiff and smooth, is easy to soften and wrinkle, and cannot be used as a roller shutter fabric; however, if the viscosity of the polyester chip is more than 1.0dL/g, spinning and network adding of multi-F DTY are difficult, the breaking strength of the spun fiber reaches more than 6.5dL/g, the weaving is difficult, the stiffness of the woven grey cloth after treatment is high, and the fabric is difficult to roll or cannot be rolled and compacted and cannot be used as a roller shutter fabric.
The color master batch and the polyester chip are added and blended to carry out dope dyed spinning, so that the advantages are two, firstly, the light fastness of the fabric woven by the color spinning is at least 1 grade or even more than 2 grades higher than that of the dyed fabric, and the high standard requirement of the roller shutter fabric on the light fastness can be met; and secondly, the dope dyed spinning does not additionally increase the environmental pollution during spinning, namely, dyeing is not needed in a dye factory, and no dyeing wastewater is discharged, so that the dope dyed spinning is environment-friendly. The addition amount of the color master batch is determined according to the color requirement, and the preferable conditions are not determined.
One or more of the antibacterial master batch, the ultraviolet-resistant master batch and the negative ion master batch are added and blended together in the stock solution coloring spinning, so that the roller shutter fabric has the additional functions of resisting bacteria and mildew, and/or has the additional functions of resisting ultraviolet rays and shielding ultraviolet rays, and/or has the additional function of releasing negative ions while having high flame retardance and high light fastness.
Preferably, in the step 1, the "functionality" in the fiber is formed by one or more functional materials of antibacterial master batch, ultraviolet-resistant master batch and anion master batch, which are added during spinning, and the addition amounts are 0-4.8% respectively. The antibacterial master batch, the ultraviolet resistant master batch and the negative ion master batch are commercially available.
Preferably, in step 1, the dope color spinning is melt spinning comprising: 1) mixing non-flame-retardant polyester chips with copolymerization flame-retardant polyester chips in a certain proportion, 2) 100% of copolymerization flame-retardant polyester chips, 3) 100% of non-flame-retardant polyester chips, 4) mixing the non-flame-retardant polyester chips with phosphorus flame retardant master batches in a certain proportion, and respectively adding the master batches and the blend of the functional materials into the mixture 1) to 4) and drying the mixture until the water content is below 35ppm, the temperature is 263-288 ℃, and the melt pressure is 15.5-19.5 MPa.
Preferably, in step 1, the colored functional flame-retardant polyester fibers comprise colored functional flame-retardant polyester DTY network yarns and colored functional flame-retardant polyester ATY, and the colored functional non-flame-retardant polyester fibers comprise colored functional non-flame-retardant polyester DTY network yarns and colored functional non-flame-retardant polyester ATY.
Preferably, the colored functional flame-retardant polyester DTY network yarn is obtained by further heating and drafting a colored functional flame-retardant polyester POY formed by dope colored spinning, the colored functional non-flame-retardant polyester DTY network yarn is obtained by further heating and drafting a colored functional non-flame-retardant polyester POY formed by dope colored spinning, the colored functional flame-retardant polyester ATY is obtained by further heating, drafting and air-texturing a colored functional flame-retardant polyester POY formed by dope colored spinning on an air texturing machine, and the colored functional non-flame-retardant polyester ATY is obtained by further heating, drafting and air-texturing a colored functional non-flame-retardant polyester POY formed by dope colored spinning on an air texturing machine.
Preferably, the colored functional flame-retardant polyester DTY interlaced yarn or the colored functional non-flame-retardant polyester DTY interlaced yarn is 108-512 dtex/36-144 f (or 97-461D/36-144 f), and the breaking strength is 3.6-6.1 cN/dtex; the color functional flame-retardant polyester ATY or the color functional non-flame-retardant polyester ATY is 233-694 dtex/72-144 f (or 198-625D/72-144 f), and the breaking strength is 3.6-6.1 cN/dtex.
Preferably, in the step 2, during weaving, the colored functional flame-retardant polyester DTY interlaced yarn is warp yarn and/or weft yarn, the colored functional flame-retardant polyester ATY is warp yarn and/or weft yarn, and 35-65 wt% of the colored functional flame-retardant polyester DTY interlaced yarn or ATY is interwoven with 35-65 wt% of the colored functional non-flame-retardant polyester DTY interlaced yarn or ATY to obtain the colored functional flame-retardant polyester gray fabric. That is, the prepared colored functional flame-retardant polyester grey fabric can be woven by colored functional flame-retardant polyester DTY network yarns or colored functional flame-retardant polyester ATY, or is woven by colored functional flame-retardant polyester DTY network yarns or colored functional flame-retardant polyester ATY; or the fabric is formed by interweaving colored functional flame-retardant polyester DTY network yarns or ATY and colored functional non-flame-retardant polyester DTY network yarns or ATY.
Preferably, in the step 3, the cleaning treatment or the desizing treatment of the colored functional flame-retardant polyester gray fabric is carried out in a high-temperature jig dyeing machine cylinder, the cleaning treatment or the desizing treatment is carried out for 10-20 minutes, and the cleaning treatment is carried out for 10-15 minutes again.
Preferably, the drying and shaping process conditions of the fabric are as follows: and (3) taking the fabric out of the jig dyeing machine cylinder, drying the fabric by a multi-roller steam dryer, and setting the fabric by a tentering setting machine at the temperature of 165-205 ℃ and at the speed of 10-30 m/min.
Preferably, to obtain the full-blackout fabric: the shading rate of the fabric which is not subjected to calendering after high-temperature setting can reach 95-98%, but if the shading rate of the fabric is 99-100% or the required brightness is high, calendering is required, namely, the fabric is calendered for 1-4 times on a calender under the conditions that the temperature is controlled to be 110-160 ℃, the pressure is 5.5-11 MPa and the speed is 10-25 m/min. The full-shading fabric refers to full shading or nearly full shading with a shading rate of 95-100%. After the fabric is subjected to calendaring treatment, the flatness, the stiffness and the brightness are increased, so that the shading effect of the fabric is further improved.
Preferably, in order to obtain a fabric having openness and light-transmitting properties: for the fabrics with small openness and light transmission, if the shading rate is 90-95%, the degree of the reduction of the warp and weft density is small during weaving, and slippage cannot be generated by the self stability between fibers.
On the other hand, the invention also provides a flame-retardant polyester roller shutter fabric, which is prepared by the preparation method, wherein the flame-retardant polyester roller shutter fabric is made of 100% of colored polyester fibers containing flame-retardant functional and functional materials, or is formed by interweaving 100% of colored polyester fibers containing flame-retardant functional and functional materials and 100% of colored polyester fibers containing non-flame-retardant functional and functional materials, and the flame-retardant polyester roller shutter fabric is free of coating and is not coatedThe gram weight of the flame-retardant polyester roller shutter fabric containing stiffening agent and similar substances is 175-550 g/m2The oxygen index is 26.3-36.0%.
The combustion performance grade of the GB8624-2012 standard in China is graded as follows:
class a, non-combustible materials (and articles);
grade B1, flame retardant material (and product), LOI greater than or equal to 32.0%;
b2 grade, combustible material (and product), LOI greater than or equal to 26.0%;
class B3, combustible materials (and articles); no performance requirements.
The oxygen index (LOI) of the flame-retardant roller shutter fabric is 26.3-36.0%, so that the flame-retardant roller shutter fabric meets the GB 8624B 1 grade (flame-retardant material) and also meets the standard requirement of B2 grade, and the flame-retardant effect is obvious.
Further, in the present invention,
manufacturing colored functional flame-retardant polyester fibers or colored functional non-flame-retardant polyester fibers:
1) mixing a copolymerization flame-retardant polyester chip with the viscosity of 0.75-0.98 dL/g and the phosphorus content of 5500-7200 ppm and a non-flame-retardant polyester chip with the viscosity of 0.75-0.98 dL/g according to a certain proportion,
2) using a copolymerized flame-retardant polyester chip with the viscosity of 0.75-0.98 dL/g and the phosphorus content of 5500-7200 ppm,
3) using non-flame-retardant polyester chips with the viscosity of 0.75-0.98 dL/g,
4) mixing non-flame-retardant polyester chips with the viscosity of 0.75-0.98 dL/g and a certain proportion of phosphorus flame retardant master batches,
respectively in 1) -4), adding a certain amount of color master batch according to the required color, adding 0-4.8 wt% of one or more functional materials of antibacterial master batch, anti-ultraviolet master batch and anion master batch according to the functional requirement, mixing uniformly, drying in a drying tower until the moisture content is reduced to 35ppm or below, carrying out stock solution coloring spinning by using a melt spinning device, and spinning into colored functional flame-retardant polyester POY or colored functional non-flame-retardant polyester POY under the conditions of the spinning temperature of 265-285 ℃ and the melt pressure of 15.5-19.5 MPa. The colored functional flame-retardant polyester POY or the colored functional non-flame-retardant polyester POY is further processed on a draw texturing machine to obtain colored functional flame-retardant polyester DTY network yarns or colored functional non-flame-retardant polyester DTY network yarns; the colored functional flame-retardant polyester POY or the colored functional non-flame-retardant polyester POY is further processed on an air textured yarn machine to obtain a colored functional flame-retardant polyester ATY or a colored functional non-flame-retardant polyester ATY.
According to the technical scheme, the obtained fibers are complex if multiple functions are connected together in respective embodiment of one or more functional materials of the antibacterial master batch, the ultraviolet-resistant master batch and the negative ion master batch, and are uniformly called as 'functionality' for short for simplification, wherein the 'functionality' is formed by or is embodied by one or more functional materials of the added antibacterial master batch, the ultraviolet-resistant master batch and the negative ion master batch.
The colored functional flame-retardant polyester DTY interlaced yarn or the colored functional non-flame-retardant polyester DTY interlaced yarn obtained by the technical scheme is 108-512 dtex (or 97-461D), and the breaking strength is 3.6-6.1 cN/dtex. The color functional flame-retardant polyester ATY or the color functional non-flame-retardant polyester ATY obtained by the technical scheme is 220-722 dtex (or 198-650D), and the breaking strength is 3.6-6.1 cN/dtex.
The phosphorus flame retardant is selected, because the dope dyed spinning fabric does not need to be dyed at 130 ℃ for more than 30 minutes, the flame retardant with small fiber molecular chain expansion is separated from the fiber only by dyeing the yarn-dyed grey cloth at 100-105 ℃ for 20 minutes, and impurities such as oil stains on the surface of the fiber can be removed to lose the phosphorus flame retardant or reduce the loss. Therefore, the flame retardant suitable for the technical scheme simultaneously meets the following three conditions:
1) the flame retardant is required to be solid but not liquid, and the solid powder material is not suitable for being directly added and needs to be prepared into flame retardant master batches for addition: 2) the melting point of the flame retardant is higher than the drying temperature of the mixture and lower than or equal to the melting point temperature of the polyester chip, and the decomposition temperature is higher than the melt spinning temperature: 3) the phosphorus content of the flame retardant is more than 8.5 percent, and the higher the phosphorus content, the smaller the addition amount of the flame retardant, namely, the smaller the influence on the spinnability of the fiber.
Preferably, the flame retardant suitable for the blended spinning is organic phosphorus flame retardant solid master batch, the melting point is more than or equal to 180 ℃ and less than or equal to 255 ℃, the decomposition temperature is more than or equal to 295 ℃, the phosphorus content is more than or equal to 8.5wt%, and the addition amount in the stock solution coloring spinning mixture is 2.0-7.5 wt%.
Weaving colored functional flame-retardant polyester gray fabric:
the weaving method 1: according to the square meter grammage and the requirement of style tissue of the fabric, selecting a proper specification in the colored functional flame-retardant polyester DTY network yarn, weaving the colored flame-retardant polyester grey fabric by plain weave, twill weave, variable plain weave and variable twill weave on a water jet loom or a rapier loom under the condition that the warp and weft directions of the colored flame-retardant polyester DTY network yarn are the same specification or the weft direction of the colored flame-retardant polyester DTY network yarn is greater than the warp linear density, or weaving the colored flame-retardant polyester grey fabric by jacquard weave on an electronic dobby loom.
The weaving method 2: according to the square meter grammage and the requirement of style tissue of the fabric, selecting a proper specification in the colored functional flame-retardant polyester DTY network yarn and a proper specification in the colored functional flame-retardant polyester ATY, and weaving by plain weave, twill weave, variable plain weave and variable twill weave on a water jet loom or a rapier loom under the condition of proper warp and weft density to obtain colored functional flame-retardant polyester gray fabric, or weaving by jacquard weave on an electronic dobby loom to obtain the colored functional flame-retardant polyester gray fabric.
The weaving method 3: according to the square meter grammage and the requirement of style tissue of the fabric, selecting a proper specification in the colored functional flame-retardant polyester ATY, weaving the warp direction and the weft direction of the colored functional flame-retardant polyester ATY with the same specification or with the weft direction being larger than the linear density of the warp direction under the condition of proper warp and weft density by using plain weave, twill weave, variable plain weave and variable twill weave on a water jet loom or a rapier loom, or weaving the colored functional flame-retardant polyester grey cloth by using jacquard weave on an electronic dobby loom.
The weaving method 4: according to the square meter grammage and the requirement of style tissue of the fabric, 35-65 wt% of the colored functional flame-retardant polyester DTY and/or ATY and 65-35 wt% of the colored functional non-flame-retardant polyester DTY and/or ATY are selected to be interwoven, the flame-retardant fibers for the warp direction and the non-flame-retardant fibers for the weft direction or the non-flame-retardant fibers for the warp direction and the flame-retardant fibers for the weft direction are used, the warp direction and the weft direction are both in the same specification or the weft direction is larger than the linear density of the warp direction, and plain weave, twill weave, variable plain weave and variable twill weave is used for weaving on a water jet loom or a rapier loom to obtain colored functional flame-retardant polyester grey cloth, or jacquard weave is used for weaving on a multi-arm.
The weaving method 5: selecting a proper specification in the colored functional flame-retardant polyester DTY and/or ATY according to the square meter gram weight and the style tissue requirement of the fabric, wherein the warp direction and the weft direction of the fabric are both in the same specification, or the weft direction is greater than the linear density of the warp direction, and according to the size requirements of the openness and the light transmission of the fabric, the warp and weft density is reduced to a small extent to weave the fabric to obtain the fabric with small opening rate and light transmission, such as the fabric with the shading rate of 90-95%; the warp and weft density is reduced to a greater extent, so that the fabric with a greater aperture ratio and light transmittance can be obtained, such as the fabric with a shading rate of 80-90%.
When weaving, when the breaking strength of the spun fiber with lower slice viscosity is below 5.0cN/dtex and the heavy network degree is better, the warp can be directly woven without sizing; if the spun fiber with higher slice viscosity has breaking strength of more than 5.0cN/dtex and the heavy network degree is worse, the warp yarn needs to be woven after sizing.
When weaving, the warp and weft density is large, so that the requirement of the full shading or nearly full shading roller shutter fabric (sun-shading fabric) can be met, and the warp and weft density is small, so that the requirement of the aperture ratio or semi-shading roller shutter fabric (sun-shading fabric) can be met.
Post-processing the colored functional flame-retardant polyester fabric:
the colored functional flame-retardant polyester grey fabric can be used as a roller shutter fabric only by post-processing, and the method comprises the following steps:
the colored functional flame-retardant polyester gray fabric is treated by adding a proper amount of alkalescent cleaning agent into the unbleached gray fabric in a dye factory and a jig dyeing machine cylinder and then is cleaned by tap water; adding a proper amount of desizing agent into the sized gray fabric for desizing, then cleaning with a small amount of neutral cleaning agent, performing weakly alkaline cleaning or desizing at 100-120 ℃ for 10-20 minutes, controlling the weakly alkaline or desizing of the yarn-dyed gray fabric obtained by blending with phosphorus flame retardant master batches at 100-105 ℃, then discharging the treatment solution, cleaning again at 85-95 ℃ for 10-15 minutes, taking out of a cylinder, drying on a multi-roller steam dryer, setting by using a tentering setting machine at 165-210 ℃ at a speed of 10-30 m/min, inspecting, rolling and packaging the fabric to obtain the flame-retardant polyester roller shutter fabric.
For a full-shading roller shutter fabric, the flame-retardant polyester roller shutter fabric subjected to warp and weft density increasing weaving, dye house high-temperature treatment and high-temperature setting can reach a shading rate of 95-98%, but in order to enable the fabric to obtain a better shading effect and smoothness and brightness of the fabric, when the shading rate reaches 99-100%, the fabric subjected to setting on the setting machine is calendered on a calender for 1-4 times under the conditions of temperature of 110-160 ℃, pressure of 5.5-11 MPa and speed of 10-25 m/min, and the fabric is inspected, rolled and packaged to obtain the flame-retardant polyester roller shutter fabric.
The flame-retardant polyester roller shutter fabric is excellent in flame retardance after detection, the oxygen index of the flame-retardant polyester roller shutter fabric reaches 26.3-36.0%, the light fastness reaches more than 5 levels, and the flame-retardant polyester roller shutter fabric has the functions of antibacterial performance, ultraviolet resistance, negative ions and the like.
The invention has the beneficial effects that:
1. spinning at a proper proportion by mixing non-flame-retardant polyester chips with copolymerized flame-retardant polyester chips to control the phosphorus content; controlling the appropriate proportion of interweaving warp and weft of fibers obtained by spinning non-flame-retardant slices and fibers obtained by spinning copolymerized flame-retardant polyester slices; the non-flame-retardant polyester chips and the phosphorus flame retardant master batches are mixed to control the proper proportion of phosphorus content for spinning, the mixture is woven into grey cloth, and the flame retardant polyester roller shutter fabric obtained by the fabric without a coating, a stiffening agent and other similar substances in the post-processing can meet the requirements of GB 8624B 1 and B2 standards, and the production cost can be reduced by more than 15%.
2. The color master batch is added to carry out a stock solution coloring spinning (namely color spinning) method, so that the production is simple, the flame-retardant effect is easy to control, the high light fastness which is higher than that of the dyed fabric is obtained, and the contribution to environmental friendliness is increased without dyeing the fabric.
3. One or more of antibacterial, uvioresistant and negative ion master batches are added to carry out dope dyeing spinning simultaneously, so that the roller shutter fabric has the value-added function or additional function effects of antibacterial effect, uvioresistant effect and negative ion effect simultaneously, and the multipurpose use function of the flame-retardant polyester roller shutter fabric is met.
Detailed Description
The present invention will be further described with reference to the structures or terms used herein. The description is given for the sake of example only, to illustrate how the invention may be implemented, and does not constitute any limitation on the invention.
Example 1
The purpose of this embodiment is to make the fibrous raw materials of fire-retardant dacron multi-functional roll up curtain surface fabric, promptly grey multi-functional fire-retardant dacron DTY interlaced yarn, grey multi-functional fire-retardant dacron ATY.
Firstly, blending high-viscosity copolymerized flame-retardant polyester chips and non-flame-retardant polyester chips to prepare a colored multifunctional flame-retardant polyester fiber raw material:
1) 450kg of copolymerized flame-retardant polyester chips with the phosphorus content of 5500ppm and the viscosity of 0.74dL/g, which are produced by science and technology of east Sichuan province, is mixed with 88kg of non-flame-retardant polyester chips with the viscosity of 0.75dL/g purchased from the market, 18kg of gray master batches and 20kg of antibacterial master batches required by Suzhou Baoli company for color matching are added, the mixture is uniformly mixed and stirred, the mixture is dried in a drying tower until the water content is reduced to 30ppm, a 36-hole spinneret plate is used on a melt spinning machine, the spinning temperature is gradually adjusted to 278-281 ℃ in the material releasing process at the beginning of spinning, the melt pressure is controlled to be about 15.5MPa, the spinning speed is 2800 m/min, and the mixture is wound and molded to obtain the 188dtex/36f gray multifunctional flame-retardant polyester POY with the weight of 422 kg.
2) After the gray multifunctional flame-retardant polyester POY is stored for 8 hours:
(11) taking 122kg of gray multifunctional flame-retardant polyester POY, and adjusting proper temperature, speed, nozzle pressure and other drafting processes on a single POY on a texturing machine to perform drafting deformation and networking to obtain 112kg of 111dtex/36f (100D/36f) gray multifunctional flame-retardant polyester DTY (textured yarn) network yarn;
(12) the gray multifunctional flame-retardant polyester POY with the weight of 155kg is taken, double doubling threads are subjected to drafting deformation and networking on a draw texturing machine by adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like, and 143kg of gray multifunctional flame-retardant polyester DTY networking yarns with the weight of 222dtex/72f (200D/72f) are obtained.
(13) The gray multifunctional flame-retardant polyester POY with the weight of 145kg is taken, 4 yarns are combined on an air texturing yarn machine, heated and drafted, and the gray multifunctional flame-retardant polyester ATY with the slight terry of 464dtex/144f (418D/144f) and the weight of 131kg is obtained through air texturing processing.
The colored multifunctional flame-retardant fiber comprises the following components in percentage by weight: 78.13 percent of flame-retardant polyester, 15.28 percent of non-flame-retardant polyester, 6.60 percent of color master batch and functional master batch, and the phosphorus content in the fiber is 4297 ppm.
The obtained gray multifunctional flame-retardant polyester DTY interlaced yarn and ATY are detected to have the following breaking strength: (11) is 3.7 cN/dtex; (12) is 3.7 cN/dtex; (13) was 3.6 cN/dtex.
Secondly, manufacturing colored multifunctional flame-retardant polyester gray fabric:
taking 60kg of 111dtex gray multifunctional flame-retardant polyester DTY interlaced yarn of (11) as a reverse bobbin for warp yarn, drawing warp, arranging 80 warp threads/cm on a machine, and arranging 180cm in width of the machine; and (3) taking the 222dtex gray multifunctional flame-retardant polyester DTY interlaced yarn of (12) as a weft yarn, using a heavy water jet loom to increase the weft density as much as possible for weaving on a loom by using a double-warp single-weft plain weave, stopping the loom when the number of meters of the grey fabric reaches 60 meters, replacing the weft yarn with the 464dtex gray multifunctional flame-retardant polyester ATY of (13), and similarly using the double-warp single-weft plain weave to increase the weft density as much as possible for weaving continuously to obtain the colored multifunctional flame-retardant polyester grey fabric with the total number of 123 meters (wherein the 222dtex weft yarn is 60 meters, and the 336dtex weft yarn is 63 meters).
Thirdly, manufacturing the multifunctional flame-retardant polyester rolling curtain fabric:
colored multifunctionalPost-processing of flame-retardant polyester fabric, delivering colored multifunctional flame-retardant polyester blank cloth to a dye factory, winding the colored multifunctional flame-retardant polyester blank cloth on a transverse roller in a high-temperature coil dyeing machine, adding about 400kg of tap water into a machine groove, adding a proper amount of alkalescent cleaning agent, uniformly stirring, heating to 120 ℃, washing for 20 minutes, then cooling to below 70 ℃, draining, injecting about 350kg of tap water, washing for 12 minutes at 90 ℃, draining and discharging, drying the fabric through a multi-roller steam dryer, controlling the temperature to be 175 ℃ on a tentering setting machine, controlling proper overfeeding, setting at the speed of 20 meters/minute, then inspecting the cloth, and rolling to obtain a finished product (14) with the width of 150cm and the gram weight of 178g/m254 m of the flame-retardant polyester multifunctional roller shutter fabric; obtaining a finished product (15) with the width of 150cm and the gram weight of 203g/m2The flame-retardant polyester multifunctional roller shutter fabric is 50 meters.
The finished fabric is good in stiffness and smoothness, and the oxygen index is detected as follows: (14) 35.3 percent; (15) the content was found to be 35.8%.
Example 2
The purpose of this embodiment is to make the fibrous raw materials of fire-retardant dacron multi-functional roll up curtain surface fabric, promptly grey multi-functional fire-retardant dacron DTY interlaced yarn, grey multi-functional fire-retardant dacron ATY.
Firstly, blending high-viscosity copolymerized flame-retardant polyester chips and non-flame-retardant polyester chips to prepare a colored multifunctional flame-retardant polyester fiber raw material:
1) 210kg of copolymerized flame-retardant polyester chips with the phosphorus content of 6500ppm and the viscosity of 0.74dL/g, which are produced by the science and technology of east Sichuan materials, is mixed with 310kg of non-flame-retardant polyester chips with the viscosity of 0.75dL/g purchased from the market, 18kg of gray master batches, 18kg of antibacterial master batches, 10kg of ultraviolet-resistant master batches and 10kg of negative ion master batches which are produced by Suzhou Baoli company and required by color matching are added, the mixture is blended and uniformly stirred, the mixture is dried in a drying tower until the water content is reduced to 28ppm, a 36-hole spinneret plate is used on a melt spinning machine, the spinning temperature is gradually adjusted to 277-279 ℃ in the material discharge process at the beginning of spinning, the melt pressure is controlled to be about 16.5MPa, the spinning speed is 2800 m/min, and the mixture is wound to form, so that 425kg of 188dtex/36f gray flame-.
2) After the gray multifunctional flame-retardant polyester POY is stored for 8 hours:
(21) taking 120kg of gray multifunctional flame-retardant polyester POY, and adjusting proper temperature, speed, nozzle pressure and other drafting processes on a single POY on a texturing machine to perform drafting deformation and networking to obtain 110kg of 112dtex/36f (101D/36f) gray multifunctional flame-retardant polyester DTY (textured yarn) network yarn;
(22) and (3) taking 155kg of gray multifunctional flame-retardant polyester POY, and adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like on a draw texturing machine to perform drafting deformation and networking to obtain 143kg of 333dtex/108f (300D/108f) gray multifunctional flame-retardant polyester DTY networking yarns.
(23) The gray multifunctional flame-retardant polyester POY with the weight of 150kg is taken, 6 yarns are combined on an air texturing yarn machine, heated and drawn, and air texturing processing is carried out to obtain 698dtex/216f (6280D/216f) gray multifunctional flame-retardant polyester ATY with a slight terry with the weight of 136 kg.
The colored multifunctional flame-retardant fiber comprises the following components in percentage by weight: 36.46% of flame-retardant polyester, 53.82% of non-flame-retardant polyester, 9.72% of color master batch and functional master batch, and the phosphorus content in the fiber is 2370 ppm.
The obtained gray multifunctional flame-retardant polyester DTY interlaced yarn and ATY are detected to have the following breaking strength: (21) is 3.8 cN/dtex; (22) is 3.9 cN/dtex; (23) was 3.7 cN/dtex.
Secondly, manufacturing colored multifunctional flame-retardant polyester gray fabric:
taking 60kg of a rewinding cylinder of 112dtex gray multifunctional flame-retardant polyester DTY (draw textured yarn) interlaced yarn of (21) as warp yarn, drawing warp, arranging 80 warp threads/cm on a machine, and arranging 180cm in width of the machine; and (3) taking 333dtex gray multifunctional flame-retardant polyester DTY interlaced yarns of (22) as weft yarns, using a heavy water jet loom to increase the weft density as much as possible for weaving on a loom by using a double-warp single-weft plain weave, stopping the loom when the number of meters of the grey fabric reaches 60 meters, replacing the weft yarns with 698dtex gray multifunctional flame-retardant polyester ATY of (23), and similarly using the double-warp single-weft plain weave to increase the weft density as much as possible for weaving on the loom continuously to obtain the colored multifunctional flame-retardant polyester grey fabric with 125 meters in total (wherein 333dtex weft yarns are 61 meters and 698dtex weft yarns are 64 meters).
Thirdly, manufacturing a colored multifunctional flame-retardant polyester roller shutter fabric:
delivering the colored multifunctional flame-retardant terylene blank cloth to a dye house, and winding the colored multifunctional flame-retardant terylene blank cloth on a high-temperature rollAdding 400kg of tap water into a machine tank on a transverse roller in a dyeing machine, adding a proper amount of alkalescent cleaning agent, uniformly stirring, heating to 120 ℃, cleaning for 20 minutes, then cooling to below 70 ℃, draining, injecting 350kg of tap water, cleaning for 12 minutes at 90 ℃, draining, taking out of a cylinder, drying the fabric by a multi-roller steam dryer, controlling proper overfeeding at 175 ℃ on a setting machine, setting at the speed of 20 m/min, inspecting cloth, and rolling to obtain a finished product (24) with the width of 150cm and the gram weight of 198g/m254 m of the flame-retardant polyester multifunctional roller shutter fabric; obtaining a finished product (25) with the width of 150cm and the gram weight of 246g/m2The flame-retardant polyester multifunctional roller shutter fabric is 50 meters.
The finished fabric is good in stiffness and smoothness, and the oxygen index is detected as follows: (24) is 27.2%; (25) the content was 28.5%.
Example 3
The purpose of this embodiment is to make blue multi-functional fire-retardant polyester fiber raw materials and blue multi-functional non-fire-retardant polyester fiber raw materials of fire-retardant polyester multi-functional roll up curtain surface fabric respectively.
The first step is as follows: preparing raw materials of colored multifunctional flame-retardant polyester and non-flame-retardant polyester fiber:
1. preparing a colored multifunctional flame-retardant polyester fiber raw material by using a high-viscosity copolymerized flame-retardant polyester chip:
1) taking 325kg of copolymerized flame-retardant polyester chips which are produced by Sichuan east material science and technology and have the phosphorus content of 7100ppm and the viscosity of 0.86dL/g, adding 10kg of blue master batch, 10kg of antibacterial master batch, 8kg of ultraviolet-resistant master batch and 8kg of negative ion master batch which are produced by Suzhou Baoli company and required according to color matching, blending and uniformly stirring, drying in a drying tower until the water content is reduced to 25ppm, using a 48-hole spinneret plate on a melt spinning machine, gradually adjusting the spinning temperature to 283-285 ℃ in the initial material releasing process of spinning, controlling the melt pressure to be about 19.5MPa, spinning the spinning speed to 2700 m/min, and winding and forming to obtain 281dtex/48f blue multifunctional flame-retardant polyester POY with the weight of 465 kg.
2) After the blue multifunctional flame-retardant polyester POY is stored for 8 hours:
(31) taking 100kg of blue multifunctional flame-retardant polyester POY, and adjusting proper temperature, speed, nozzle pressure and other drafting processes on a single polyester POY on a draw texturing machine to perform drafting deformation and networking to obtain 167dtex/48f (150D/48f) blue multifunctional flame-retardant polyester DTY (draw textured yarn) 92 kg;
(32) 223kg of blue multifunctional flame-retardant polyester POY is taken, three parallel yarns are subjected to drafting deformation and networking on a draw texturing machine by adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like, and 210kg of 500dtex/144f (450D/144f) blue multifunctional flame-retardant polyester DTY networking yarns are obtained.
The components in the colored multifunctional flame-retardant fiber are as follows: 90.03 percent of flame-retardant polyester, 0 percent of non-flame-retardant polyester, 9.97 percent of color master batch and functional master batch, and the phosphorus content in the fiber is 6390 ppm.
The obtained blue multifunctional flame-retardant polyester DTY interlaced yarn is detected to have breaking strength: (31) is 4.9 cN/dtex; (32) is 5.0 cN/dtex.
2. Preparing a colored multifunctional non-flame-retardant polyester fiber raw material by using a high-viscosity non-flame-retardant polyester chip:
1) taking 400kg of non-flame-retardant polyester chips purchased from the market and having the viscosity of 0.95dL/g, adding 18kg of blue master batch, 18kg of antibacterial master batch, 10kg of ultraviolet-resistant master batch and 10kg of negative ion master batch which are produced by Suzhou Baoli company and required according to color matching, blending and uniformly stirring, drying in a drying tower until the moisture content is reduced to 25ppm, using a 48-hole spinneret plate on a melt spinning machine, gradually adjusting the spinning temperature to 283-285 ℃, controlling the melt pressure to about 19.5MPa and the spinning speed to 2700 m/min in the material releasing process at the beginning of spinning, and winding and forming to obtain 281dtex/48f blue multifunctional non-flame-retardant polyester POY with the weight of 465 kg.
2) After the blue multifunctional non-flame-retardant polyester POY is stored for 8 hours:
(33) taking 100kg of blue multifunctional non-flame-retardant polyester POY, and adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like on a draw texturing machine to perform drafting deformation and networking to obtain 167dtex/48f (150D/48f) blue multifunctional non-flame-retardant polyester DTY 92kg of network yarns;
(34) 223kg of blue multifunctional non-flame-retardant polyester POY is taken, 4 doubling yarns are subjected to drafting deformation and networking on a draw texturing machine by adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like, and 210kg of 667dtex/192f (600D/192f) blue multifunctional non-flame-retardant polyester DTY networking yarns are obtained.
The components in the colored multifunctional non-functional flame-retardant fiber are as follows: 0% of flame-retardant polyester, 91.74% of non-flame-retardant polyester, 8.26% of color master batch and functional master batch, and the phosphorus content in the fiber is 0.
The obtained blue multifunctional flame-retardant polyester DTY interlaced yarn is detected to have breaking strength: (33) is 6.1 cN/dtex; (34) the concentration was 5.9 cN/dtex.
Secondly, manufacturing colored multifunctional flame-retardant polyester gray fabric:
1. interweaving the flame-retardant fibers for the warp direction with the non-flame-retardant fibers for the weft direction:
taking 80kg of 167dtex blue multifunctional flame-retardant DTY network yarn of (31) and rewinding as warp yarn, and arranging the warp with density of 66 pieces/cm and width of 225cm on the machine; taking 167dtex blue multifunctional non-flame retardant DTY interlaced yarn of (33) as weft yarn, and using a heavy water jet loom to increase the weft density of the weaving machine as much as possible by using a double-warp three-weft change plain weave so as to obtain blue multifunctional flame retardant polyester grey cloth (35) of 65 meters; and (3) replacing the warps without replacing the wefts, replacing the wefts with 667dtex blue multifunctional non-flame-retardant DTY interlaced yarns of (34), and continuously weaving by increasing the weft density of the weft-density loom as much as possible by using a double-warp single-weft variable plain weave to obtain the blue multifunctional flame-retardant grey fabric (36) of 63 meters.
2. Interweaving non-flame-retardant fibers for the warp direction and flame-retardant fibers for the weft direction:
taking 60kg of 167dtex blue multifunctional non-flame-retardant polyester DTY interlaced yarn of (33) as a reverse bobbin to be used as warp yarn, drawing warp, arranging warp density on a machine at 66 pieces/cm, and arranging width on the machine at 225 cm; taking 167dtex blue multifunctional flame-retardant polyester DTY interlaced yarn of (31) as weft yarn, and weaving the weft yarn on a loom by a heavy water jet loom in a double-warp three-weft twill weave manner to enlarge the weft density as much as possible to obtain blue multifunctional flame-retardant polyester grey cloth (37) of 65 meters; and (3) replacing the warps without replacing the wefts with (32) 500dtex blue multifunctional flame-retardant polyester DTY interlaced yarns, and continuously weaving by increasing the weft density of a weft-density loom as much as possible by using a double-warp single-weft twill weave to obtain the blue multifunctional flame-retardant polyester grey cloth (38) of 60 meters.
Thirdly, manufacturing the colored multifunctional flame-retardant terylene rolling curtain fabric
Delivering blue multifunctional flame-retardant polyester blank cloth to a dye factory, sewing the cloth ends and tails of the grey cloth 35, 36, 37 and 38 together, winding the grey cloth ends and tails on a transverse roller in a high-temperature roll dyeing machine, adding about 450kg of tap water into a machine tank, adding a proper amount of alkalescent cleaning agent, uniformly stirring, heating to 115 ℃, cleaning for 20 minutes, then cooling to below 70 ℃, draining, injecting about 450kg of tap water, cleaning for 12 minutes at 90 ℃, draining, discharging from a cylinder, drying the fabric by a multi-roller steam dryer, feeding the fabric to a setting machine at 175 ℃, controlling proper overfeeding, setting at a speed of 20 meters/minute, then inspecting and rolling the fabric, then calendering the front and back surfaces of the fabric twice by a calender at the temperature of 118 ℃, the pressure of 10.3MPa and the speed of 17-18 meters/minute, then inspecting and rolling the fabric to obtain a finished product of the flame-retardant multifunctional polyester roll screen fabric:
(35) the width of the door is 200cm, and the gram weight is 263g/m254 meters in number, 64 percent of the flame-retardant warp yarns, 36 percent of the non-flame-retardant weft yarns and 4090ppm of phosphorus.
(36) The width of the door is 200cm, and the gram weight is 293g/m254 meters in number, 63 percent of fabric flame-retardant warp yarns, 37 percent of non-flame-retardant weft yarns and 4050ppm of phosphorus.
(37) The width of the door is 200cm, and the gram weight is 265g/m254 meters in number, 59 percent of non-flame-retardant warp yarns, 41 percent of non-flame-retardant weft yarns and 2364ppm of phosphorus.
(38) The width of the door is 200cm, and the gram weight is 280g/m254 meters in number, 59 percent of non-flame-retardant warp yarns, 41 percent of non-flame-retardant weft yarns and 2684ppm of phosphorus.
The finished fabric has high brightness and good stiffness and smoothness, and the oxygen index is detected as follows: (35) 34.5 percent; (36) 34.2 percent; (37) 26.5 percent; (38) the content was found to be 26.8%.
Example 4
The purpose of this embodiment is that the multi-functional fire-retardant polyester fiber of blue grey that fire-retardant polyester multi-functional roll up curtain surface fabric required is made.
The first step is as follows:
1. the colored multifunctional flame-retardant polyester fiber is prepared by using a blending stock solution of high-viscosity non-flame-retardant polyester chips and a phosphorus flame retardant (with a higher addition amount) for coloring and spinning:
taking 400kg of non-flame-retardant polyester chips purchased from the market and having the viscosity of 0.93dL/g, adding 33kg of flame retardant DDP master batches (the melting point is 196-199 ℃, the decomposition temperature is 312 ℃, and the phosphorus content is 8.9%) produced by Shandong Shouguepu chemical industry, mixing, adding 12kg of blue gray master batches and 15kg of antibacterial master batches required by Suzhou Baolidi company according to color matching, blending and uniformly stirring, drying in a drying tower until the water content is reduced to 32ppm, using a 48-hole spinneret plate on a melt spinning machine, gradually adjusting the spinning temperature to 283-285 ℃ in the material releasing process at the beginning of spinning, controlling the melt pressure to be about 19.5MPa and the spinning speed to be 2700 m/min, and winding and forming to obtain 281dtex/48f gray multifunctional flame-retardant polyester POY with the weight of 465 kg.
The blue gray multifunctional flame-retardant POY is stored for 8 hours:
(41) taking 100kg of blue gray multifunctional flame-retardant polyester POY, and adjusting proper drafting processes such as temperature, speed, nozzle pressure and the like on a texturing machine to perform drafting deformation and networking on a single polyester POY to obtain 92kg of 167dtex/48f (150D/48f) blue gray multifunctional flame-retardant polyester DTY networking yarns;
(42) 142kg of blue gray multifunctional flame-retardant polyester POY is taken, 3 polyester POY are combined on an air texturing machine, heated and drafted, and air texturing processing is carried out to obtain 523dtex/144f (470D/144f) blue gray multifunctional flame-retardant polyester ATY with a slight terry and the weight of 131 kg.
The components in the colored multifunctional flame-retardant fiber are as follows: 7.17 percent of flame retardant, 86.96 percent of non-flame-retardant polyester, 5.87 percent of color master batch and functional master batch, and the phosphorus content in the fiber is 6381 ppm.
The obtained blue multifunctional flame-retardant polyester DTY interlaced yarn and ATY are detected to have the following breaking strength: (41) is 5.7 cN/dtex; (42) is 5.6 cN/dtex.
2. The colored multifunctional flame-retardant polyester fiber is prepared by using a blending stock solution of high-viscosity non-flame-retardant polyester chips and a phosphorus flame retardant (with a lower addition amount) for coloring and spinning:
taking 400kg of non-flame-retardant polyester chips purchased from the market and having the viscosity of 0.93dL/g, adding 10kg of commercially available zinc diethylphosphinate ZDP flame retardant master batches (the melting point is 205-210 ℃, the decomposition temperature is more than 330 ℃ and the phosphorus content is 20.3 percent), mixing, adding 15kg of gray master batches, 15kg of antibacterial master batches and 10kg of ultraviolet-resistant master batches required by Suzhou Baoli company according to color matching, blending and uniformly stirring, drying in a drying tower until the water content is reduced to 32ppm, using a 48-hole spinneret plate on a melt spinning machine, gradually adjusting the spinning temperature to be 283-285 ℃ in the initial material discharge process of spinning, controlling the melt pressure to be about 19.5MPa and the spinning speed to be 2700 m/min, and winding and forming to obtain 468kg of 281dtex/48f gray multifunctional flame-retardant polyester POY.
After the gray multifunctional flame-retardant polyester POY is stored for 8 hours:
(43) taking 100kg of gray multifunctional flame-retardant polyester POY, and adjusting proper temperature, speed, nozzle pressure and other drafting processes on a single POY on a texturing machine to perform drafting deformation and networking to obtain 167dtex/48f (150D/48f) gray multifunctional flame-retardant polyester DTY (draw textured yarn) 92 kg;
(44) 142kg of gray multifunctional flame-retardant polyester POY is taken, 4 yarns are combined on an air texturing yarn machine, heated and drafted, and air texturing processing is carried out to obtain 700dtex/192f (630D/192f) gray multifunctional flame-retardant polyester ATY with light terry and the weight of 131 kg.
The components in the colored multifunctional flame-retardant fiber are as follows: 2.22 percent of flame retardant, 88.89 percent of non-flame-retardant polyester, 8.89 percent of color master batch and functional master batch, and the phosphorus content in the fiber is 4507 ppm.
The obtained gray multifunctional flame-retardant polyester DTY interlaced yarn and ATY are detected to have the following breaking strength: (43) is 5.8 cN/dtex; (44) is 5.6 cN/dtex.
Secondly, manufacturing colored multifunctional flame-retardant polyester gray fabric:
1. the gray fabric is woven by using the colored multifunctional flame-retardant polyester fibers of the warp (41) and the weft (42) and (43):
taking 80kg of 167dtex blue gray multifunctional flame-retardant polyester DTY interlaced yarn of (41) as a reverse bobbin, drawing warp and sizing, feeding warp with density of 66 pieces/cm, and feeding width of 175 cm; 523dtex blue gray multifunctional flame-retardant polyester ATY of (42) is used as weft, and a heavy water jet loom is used for weaving the weft on a loom in a double-warp single-weft variable twill structure mode to increase the weft density as much as possible, so that blue multifunctional flame-retardant polyester grey cloth (45) is obtained, wherein the length of the blue multifunctional flame-retardant polyester grey cloth is 65 meters; and (3) replacing the warps without replacing the wefts with 167dtex gray multifunctional flame-retardant polyester DTY interlaced yarns (43), and increasing the weft density of the weft-knitting machine as much as possible by using double-warp three-weft variable weft texture to continue weaving to obtain the blue gray multifunctional flame-retardant polyester grey cloth (46) of 63 meters.
2. The gray fabric is woven by using the colored multifunctional flame-retardant polyester fibers of the warp yarn (43) and the weft yarns (44) and (43):
taking 60kg of 167dtex gray multifunctional flame-retardant polyester DTY interlaced yarn of (43) as a reverse bobbin to be used as warp yarn, drawing warp, arranging warp density on a machine at 66 pieces/cm, and arranging width on the machine at 175 cm; using 700dtex gray multifunctional flame-retardant polyester ATY of (44) as weft yarn, and weaving the weft yarn with double-warp single-weft variable twill weave on a heavy water jet loom to increase the weft density as much as possible to obtain blue gray multifunctional flame-retardant polyester grey cloth (49) of 65 meters; and (3) replacing the warps without replacing the wefts with 167tex gray multifunctional flame-retardant polyester DTY interlaced yarns (43), and continuously weaving by using double-warp three-weft variable twill weave to increase the weft density as much as possible to obtain blue gray multifunctional flame-retardant polyester grey cloth (48) of 60 meters.
Thirdly, manufacturing a colored multifunctional flame-retardant polyester roller shutter fabric:
delivering blue multifunctional flame-retardant polyester grey cloth to a dye factory, winding the cloth heads of the grey cloth 45, 46, 47 and 48 and the cloth tail seam heads together on a transverse roller in a high-temperature winding dyeing machine, adding about 450kg of tap water into a machine tank, adding a weakly alkaline cleaning agent, uniformly stirring, heating to 105 ℃, cleaning for 18 minutes, cooling to below 70 ℃, draining, injecting about 450kg of tap water, cleaning for 15 minutes at 90 ℃, draining, discharging from a cylinder, drying the fabric by a multi-roller steam dryer, controlling a proper overfeeding on an upper tentering setting machine at 195 ℃, setting at a speed of 20 meters per minute, inspecting and rolling to obtain a finished product of the flame-retardant polyester multifunctional rolling curtain fabric:
(45) the width of the door is 150cm, and the gram weight is 366g/m255 m in number, and the phosphorus content of the fabric is 6380 ppm.
(46) The width of the door is 150cm, and the gram weight is 363g/m252 m in number, and the phosphorus content of the fabric is 4630 ppm.
(47) The width of the door is 150cm, and the gram weight is 385g/m255 m in number, and the phosphorus content of the fabric is 4505 ppm.
(48) The width of the door is 150cm, and the gram weight is 362g/m253 m in number, the phosphorus content of the fabric is 4505 ppm.
The finished fabric is good in stiffness and smoothness, and the oxygen index is detected as follows: (45) 34.8 percent; (46) 33.2%; (47) 32.5%; (48) is 32.6 percent
Example 5
The purpose of this embodiment is to make empty type fire-retardant dacron multi-functional roll of curtain surface fabric.
Firstly, weaving colored multifunctional flame-retardant gray fabric:
taking 60kg of 667dtex blue multifunctional non-flame-retardant terylene DTY interlaced yarn of the embodiment (34), rewinding to be used as warp yarn, feeding warp density 32 pieces/cm on a machine, and feeding width 175cm on the machine; taking 700dtex blue multifunctional flame-retardant polyester ATY of (44) as weft yarn, and weaving the warp density of 13+13 weft/cm on a loom by a rapier loom in a double-warp double-weft variable plain weave to obtain 60 meters of blue multifunctional flame-retardant polyester grey cloth; the warp yarn is unchanged, the weft yarn is replaced by (32) 500dtex blue multifunctional flame-retardant polyester DTY interlaced yarn, and the colored multifunctional flame-retardant polyester grey fabric is continuously woven by using a double-warp three-weft change plain weave with weft density of 12.5+12.5+12.5 weft/cm, so that 65 m colored multifunctional flame-retardant polyester grey fabric is obtained.
Secondly, post-processing the colored multifunctional flame-retardant polyester fabric:
delivering the colored multifunctional flame-retardant terylene blank cloth to a dye factory, winding the colored multifunctional flame-retardant terylene blank cloth on a transverse roller in a high-temperature jig dyeing machine, adding about 400kg of tap water into a machine groove, adding a proper amount of neutral or weakly acidic cleaning agent, uniformly stirring, heating to 120 ℃, cleaning for 20 minutes, discharging water after cooling to below 70 ℃, injecting about 350kg of tap water, cleaning for 12 minutes at 90 ℃, discharging water, discharging from a cylinder, drying the fabric by a multi-roller steam dryer, putting the fabric on a tentering setting machine, controlling proper overfeeding at 175 ℃, setting at the speed of 20 meters/minute, inspecting the cloth, and rolling to obtain a finished product with the width of 150cm and the gram weight of 543g/m2The flame-retardant polyester multifunctional roller shutter fabric (51) is 54 m, and the phosphorus content of the fabric is 3350 ppm; obtaining a finished product with the width of 150cm and the gram weight of 548g/m2The flame-retardant polyester multifunctional rolling screen fabric (52) is 50 meters, and the phosphorus content of the fabric is 2970 ppm.
The finished fabric is good in stiffness and smoothness, has certain openness and light transmittance, and is detected to have an oxygen index: (51) 28.8 percent; (52) the content was 29.3%.
The colored multifunctional flame-retardant polyester fiber and flame-retardant polyester roller shutter fabric obtained according to the examples 1-5 has the following effect data:
Figure BDA0002726000880000191

Claims (10)

1. a preparation method of flame-retardant polyester roller shutter fabric is characterized by comprising the following steps of mixing non-flame-retardant polyester chips, or mixing the non-flame-retardant polyester chips with high-viscosity copolymerized flame-retardant polyester chips, or mixing the non-flame-retardant polyester chips with phosphorus flame retardant master batches, respectively adding the master batches for blending to perform stock solution coloring spinning, weaving gray fabric and treating by a dye factory, wherein the preparation method comprises the following steps:
step 1, 1) mixing non-flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g with copolymerized flame-retardant polyester chips with the phosphorus content of 5500-7100 ppm and the viscosity of 0.72-0.95 dL/g, wherein the mixing ratio of the non-flame-retardant polyester chips to the copolymerized flame-retardant polyester chips is 35-65 wt%, and the copolymerized flame-retardant polyester chips is 65-35 wt%, or 2) the copolymerized flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g, or 3) the non-flame-retardant polyester chips with the viscosity of 0.72-0.95 dL/g are mixed with phosphorus flame retardant master batches;
respectively adding color master batches and functional materials into the raw materials 1) to 4), uniformly blending, and performing dope colored spinning and post-spinning to obtain colored functional flame-retardant polyester fibers and colored functional non-flame-retardant polyester fibers;
step 2, weaving colored functional flame-retardant polyester grey cloth by colored functional flame-retardant polyester fibers, or weaving colored functional flame-retardant polyester fibers and colored functional non-flame-retardant polyester fibers into colored functional flame-retardant polyester grey cloth;
and 3, adding a weak alkaline cleaning agent into the colored functional flame-retardant polyester gray fabric at the temperature of 100-120 ℃ or adding a desizing agent for desizing, adding a weak alkaline cleaning agent into the colored functional flame-retardant polyester gray fabric prepared by blending with the phosphorus flame retardant master batch at the temperature of 100-105 ℃ or adding the desizing agent for desizing, cleaning at the temperature of 80-95 ℃, and sizing at the temperature of 165-205 ℃ and the speed of 15-30 m/min on a setting machine to obtain the flame-retardant polyester roller shutter fabric.
2. The preparation method of the flame-retardant polyester roller shutter fabric according to claim 1, wherein in the step 1, the phosphorus-based flame retardant master batch is an organic phosphorus-based flame retardant solid master batch, the melting point is not less than 180 ℃ and not more than 255 ℃, the decomposition temperature is not less than 295 ℃, the phosphorus content is not less than 8.5wt%, and the addition amount in the stock solution coloring spinning mixture is 2.0-7.5 wt%.
3. The preparation method of the flame-retardant polyester roller shutter fabric according to claim 1, wherein in the step 2, the 'functionality' in the fiber is formed by one or more functional materials of antibacterial master batch, ultraviolet-resistant master batch and negative ion master batch added during spinning, and the addition amount of the functional materials in the spinning mixture is 0-4.8 wt% respectively.
4. The method for preparing flame-retardant polyester roller shutter fabric according to claim 1, wherein in step 1, the colored functional flame-retardant polyester fibers comprise colored functional flame-retardant polyester DTY network yarns and colored functional flame-retardant polyester ATY, and the colored functional non-flame-retardant polyester fibers comprise colored functional non-flame-retardant polyester DTY network yarns and colored functional non-flame-retardant polyester ATY.
5. The method for preparing flame-retardant polyester roller shutter fabric according to claim 4, wherein the colored functional flame-retardant polyester DTY interlaced yarn is obtained by further heating and drafting a colored functional flame-retardant polyester POY formed by dope color spinning, the colored functional non-flame-retardant polyester DTY interlaced yarn is obtained by further heating and drafting a colored functional non-flame-retardant polyester POY formed by dope color spinning, the colored functional flame-retardant polyester ATY is obtained by further heating, drafting and air texturing a colored functional flame-retardant polyester POY formed by dope color spinning on an air texturing machine, and the colored functional non-flame-retardant polyester ATY is obtained by further heating, drafting and air texturing a colored functional non-flame-retardant polyester POY formed by dope color spinning on an air texturing machine.
6. The preparation method of the flame-retardant polyester roller shutter fabric according to claim 5, wherein the colored functional flame-retardant polyester DTY interlaced yarn or the colored functional non-flame-retardant polyester DTY interlaced yarn is 108-512 dtex/36-144 f, and the breaking strength is 3.6-6.1 cN/dtex; the color functional flame-retardant polyester ATY or the color functional non-flame-retardant polyester ATY is 220-722 dtex/72-192 f, and the breaking strength is 3.6-6.1 cN/dtex.
7. The preparation method of the flame-retardant polyester roller shutter fabric according to claim 6, wherein in the weaving process, the colored functional flame-retardant polyester DTY interlaced yarn is warp yarn and/or weft yarn, the colored functional flame-retardant polyester ATY is warp yarn and/or weft yarn, and 35-65 wt% of the colored functional flame-retardant polyester DTY interlaced yarn or ATY is interwoven with 65-35 wt% of the colored functional non-flame-retardant polyester DTY interlaced yarn or ATY.
8. The flame-retardant polyester roller shutter fabric and the preparation method thereof according to claim 1, wherein in the step 3, the colored functional flame-retardant gray fabric is subjected to desizing treatment or cleaning treatment in a high-temperature jig dyeing machine cylinder for 10-20 minutes, and the cleaning treatment is carried out again for 10-15 minutes.
9. The preparation method of the flame-retardant polyester roller shutter fabric according to claim 1, wherein in the step 3, in order to meet the requirement of 99-100% of shading rate or the requirement of high brightness, the fabric is shaped at a high temperature and then is calendered for 1-4 times by a calender under the conditions of 110-160 ℃, 5.5-11 MPa of pressure and 10-25 m/min of speed.
10. The flame-retardant polyester roller shutter fabric is characterized by being prepared by the preparation method of any one of claims 1 to 9, wherein the flame-retardant polyester roller shutter fabric is made of 100% of colored polyester fibers containing flame-retardant functional and functional materials, or 100% of colored polyester fibers containing flame-retardant functional and functional materials and 100% of colored polyester fibers containing non-flame-retardant functional and functional materialsThe flame-retardant polyester fiber roller shutter fabric is formed by interweaving polyester fibers, has no coating and does not contain a stiffening agent, and the gram weight of the flame-retardant polyester roller shutter fabric is 175-550 g/m2The oxygen index is 26.3-36.0%.
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