CN103709654A - Halogen-free phosphorous flame-retardant master batch for polyester fiber - Google Patents

Halogen-free phosphorous flame-retardant master batch for polyester fiber Download PDF

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Publication number
CN103709654A
CN103709654A CN201210372932.XA CN201210372932A CN103709654A CN 103709654 A CN103709654 A CN 103709654A CN 201210372932 A CN201210372932 A CN 201210372932A CN 103709654 A CN103709654 A CN 103709654A
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China
Prior art keywords
halogen
master batch
trevira
retardant master
phosphorous flame
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201210372932.XA
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Xinzhan Plastic Co Ltd
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Qingdao Xinzhan Plastic Co Ltd
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Priority to CN201210372932.XA priority Critical patent/CN103709654A/en
Publication of CN103709654A publication Critical patent/CN103709654A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/06—Organic materials
    • C09K21/12—Organic materials containing phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses a halogen-free phosphorous flame-retardant master batch for a polyester fiber. The halogen-free phosphorous flame-retardant master batch comprises, by mass, 10-20% of a resin carrier, 40-60% of a halogen-free phosphorous flame retardant, 10-30% of nanometer montmorillonite, 0.5-2% of a nucleating agent, 0.5-3% of a coupling agent, 2-4% of a dispersant, 0.1-1% of an antioxidant and 0-2% of a pigment. When the halogen-free phosphorous flame-retardant master batch prepared in the invention is used in the flame retardation modification of the polyester fiber, the obtained polyester fiber has a limit oxygen index (LOI) reaching above 28, has the characteristics of good flame retardation effect, lasting flame retardation performance, no halogen, low toxicity, good safety and the like, and also reserves the excellent comprehensive performances, the good thermal stability and simple use of the polyester fiber.

Description

Trevira Halogen phosphorous flame-retardant master batch
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of trevira Halogen phosphorous flame-retardant master batch.
Background technology
Trevira refers to polyethylene terephthalate (PET) fiber, its excellent performance, raw material is easy to get, of many uses, be a kind of synthon with fastest developing speed in various synthon, output is the highest, application surface is the widest, be described as the king of the fiber that is 21 century.Trevira, with the excellent performance such as its high strength, dimensional stabilizing, resistance to chemical attack, has purposes very widely aspect clothes, carpet and furnishing fabric.But trevira belongs to meltbility combustible fibre, trevira is carried out fire-retardantization processing, reduces the danger of polyester textile in fire, become the research direction of an extensive concern.At present, trevira flame resistant method mainly contain fire-retardant finish, blending fire retardant modification flame-retardant modified with copolymerization, become four kinds of core pattern conjugate spinnings, but these four kinds of methods each exist certain not enough.Because trevira fire-retardant master granule can not cause again the reduction of product processing characteristics at the anti-flaming function that increases product simultaneously, and easy to use, with low cost, produce environmental protection condition good, be widely adopted gradually at present.Yet the fire retardant of giving trevira flame retardant properties has many kinds, by ignition-proof element classification, can be divided into halogen and non-halogen is two large classes, its representative is that bromine system and phosphorus are.It has been generally acknowledged that bromide fire retardant flame retardant effect is better, consumption is relatively less, but that when burning generates hydrogen halide toxicity is large; And phosphorus flame retardant is halogen-free flameproof (non-halogen system); with regard to the over-all properties of fire-retardant polyester fibre; phosphorus flame retardant can not only overcome the impacts such as the reduction of fiber light fastness, color deterioration and fragility increase that halogen flame brings, and conventionally can also improve color and luster and the dyeing behavior of fiber.
Summary of the invention
The object of the present invention is to provide a kind of Halogen, low toxicity, Heat stability is good, the easy to use and good trevira Halogen phosphorous flame-retardant master batch of maintenance physical mechanics property.
The technical solution adopted for the present invention to solve the technical problems is: trevira Halogen phosphorous flame-retardant master batch, its component by mass percent proportioning is: resin carrier 10%～20%, Halogen phosphorus flame retardant 40%～60%, nano imvite 10%～30%, nucleator 0.5%～2%, coupling agent 0.5%～3%, dispersion agent 2%～4%, oxidation inhibitor 0.1%～1%, colorant 0～2%.
Described resin carrier is terephthalic acid binary alcohol esters-m-phthalic acid binary alcohol esters-terephthaldehyde acid polyol ester terpolymer resin.
Described Halogen phosphorus flame retardant is to sulfobenzide phenyl phosphate ester class oligopolymer, poly-sulfobenzide phenyl phosphate ester, phospho acid and hydroxy acid are formed and encircle a kind of in inner-acid anhydride, polyphenyl phosphoric acid bisphenol sulphone ester, and its heat decomposition temperature is more than 300 ℃.
The median size of described nano imvite is 20nm～100nm.
Described nucleator is talcum powder.
Described coupling agent is aluminium titanium composite coupler.
Described dispersion agent is pentaerythritol stearate or Metallic stearates.
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
The preparation method of above-mentioned trevira Halogen phosphorous flame-retardant master batch is: each component is prepared burden by weight proportion, then add rotating speed in the high-speed mixer of 500～1500 revs/min, 140 ℃～180 ℃ of mixing temperatures, mix 10～20 minutes, again the material mixing is added to twin screw extruder melt blending, melt temperature is controlled at 270 ℃～290 ℃, screw speed is 100～300 revs/min, by the shearing of twin screw extruder, mixing 10～15 minutes, then extrude, cooling, pelletizing, after dry, packing obtains trevira Halogen phosphorous flame-retardant master batch of the present invention.
The invention has the beneficial effects as follows, adopting Halogen phosphorous flame-retardant master batch that the present invention makes to be applied to trevira carries out when flame-retardant modified, its limiting oxygen index(LOI) (LOI) can reach more than 28, have that good flame retardation effect, flame retardant properties are lasting, Halogen low toxicity and the feature such as safety is good, and can also keep the good over-all properties of trevira, Heat stability is good, easy to use.
Embodiment
Below in conjunction with specific embodiment, further illustrate technical scheme of the present invention.
Embodiment 1:
A kind of trevira Halogen phosphorous flame-retardant master batch, its component by mass percent proportioning is: resin carrier 15%, to sulfobenzide phenyl phosphate ester class oligopolymer 50%, nano imvite 25%, talcum powder 1.5%, aluminium titanium composite coupler 2.5%, pentaerythritol stearate 3%, the compound 1% of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168, colorant 2%, wherein, described resin carrier is terephthalic acid binary alcohol esters-m-phthalic acid binary alcohol esters-terephthaldehyde acid polyol ester terpolymer resin, the median size of described nano imvite is 20nm～100nm.
Preparation method: each component is prepared burden by weight proportion, then add rotating speed in the high-speed mixer of 500～1500 revs/min, 140 ℃～180 ℃ of mixing temperatures, mix 10～20 minutes, again the material mixing is added to twin screw extruder melt blending, melt temperature is controlled at 270 ℃～290 ℃, screw speed is 100～300 revs/min, shearing by twin screw extruder, mixing 10～15 minutes, then extrude, cooling, pelletizing, dry after packing obtain trevira Halogen phosphorous flame-retardant master batch of the present invention.
Embodiment 2:
A kind of trevira Halogen phosphorous flame-retardant master batch, its component by mass percent proportioning is: resin carrier 10%, poly-to sulfobenzide phenyl phosphate ester 60%, nano imvite 20%, talcum powder 1%, aluminium titanium composite coupler 3%, pentaerythritol stearate 4%, the compound 0.5% of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168, colorant 1.5%, wherein, described resin carrier is terephthalic acid binary alcohol esters-m-phthalic acid binary alcohol esters-terephthaldehyde acid polyol ester terpolymer resin, the median size of described nano imvite is 20nm～100nm.
Preparation method: each component is prepared burden by weight proportion, then add rotating speed in the high-speed mixer of 500～1500 revs/min, 140 ℃～180 ℃ of mixing temperatures, mix 10～20 minutes, again the material mixing is added to twin screw extruder melt blending, melt temperature is controlled at 270 ℃～290 ℃, screw speed is 100～300 revs/min, shearing by twin screw extruder, mixing 10～15 minutes, then extrude, cooling, pelletizing, dry after packing obtain trevira Halogen phosphorous flame-retardant master batch of the present invention.
Embodiment 3:
A kind of trevira Halogen phosphorous flame-retardant master batch, its component by mass percent proportioning is: resin carrier 20%, phospho acid and hydroxy acid form the compound 0.5% of ring inner-acid anhydride 45%, nano imvite 30%, talcum powder 1%, aluminium titanium composite coupler 1.5%, Metallic stearates 2%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168, wherein, described resin carrier is terephthalic acid binary alcohol esters-m-phthalic acid binary alcohol esters-terephthaldehyde acid polyol ester terpolymer resin, and the median size of described nano imvite is 20nm～100nm.
Preparation method: each component is prepared burden by weight proportion, then add rotating speed in the high-speed mixer of 500～1500 revs/min, 140 ℃～180 ℃ of mixing temperatures, mix 10～20 minutes, again the material mixing is added to twin screw extruder melt blending, melt temperature is controlled at 270 ℃～290 ℃, screw speed is 100～300 revs/min, shearing by twin screw extruder, mixing 10～15 minutes, then extrude, cooling, pelletizing, dry after packing obtain trevira Halogen phosphorous flame-retardant master batch of the present invention.

Claims (9)

1. a trevira Halogen phosphorous flame-retardant master batch, it is characterized in that, its component by mass percent proportioning is: resin carrier 10%～20%, Halogen phosphorus flame retardant 40%～60%, nano imvite 10%～30%, nucleator 0.5%～2%, coupling agent 0.5%～3%, dispersion agent 2%～4%, oxidation inhibitor 0.1%～1%, colorant 0～2%.
2. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, described resin carrier is terephthalic acid binary alcohol esters-m-phthalic acid binary alcohol esters-terephthaldehyde acid polyol ester terpolymer resin.
3. trevira Halogen phosphorous flame-retardant master batch according to claim 1, it is characterized in that, described Halogen phosphorus flame retardant is to sulfobenzide phenyl phosphate ester class oligopolymer, poly-sulfobenzide phenyl phosphate ester, phospho acid and hydroxy acid are formed and encircle a kind of in inner-acid anhydride, polyphenyl phosphoric acid bisphenol sulphone ester, and its heat decomposition temperature is more than 300 ℃.
4. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, the median size of described nano imvite is 20nm～100nm.
5. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, described nucleator is talcum powder.
6. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, described coupling agent is aluminium titanium composite coupler.
7. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, described dispersion agent is pentaerythritol stearate or Metallic stearates.
8. trevira Halogen phosphorous flame-retardant master batch according to claim 1, is characterized in that, described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
9. the preparation method of trevira Halogen phosphorous flame-retardant master batch according to claim 1, it is characterized in that, comprise the following steps: each component is prepared burden by weight proportion, then add rotating speed in the high-speed mixer of 500～1500 revs/min, 140 ℃～180 ℃ of mixing temperatures, mix 10～20 minutes, again the material mixing is added to twin screw extruder melt blending, melt temperature is controlled at 270 ℃～290 ℃, screw speed is 100～300 revs/min, by the shearing of twin screw extruder, mixing 10～15 minutes, then extrude, cooling, pelletizing, after dry, packing obtains trevira Halogen phosphorous flame-retardant master batch.
CN201210372932.XA 2012-09-29 2012-09-29 Halogen-free phosphorous flame-retardant master batch for polyester fiber Pending CN103709654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210372932.XA CN103709654A (en) 2012-09-29 2012-09-29 Halogen-free phosphorous flame-retardant master batch for polyester fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210372932.XA CN103709654A (en) 2012-09-29 2012-09-29 Halogen-free phosphorous flame-retardant master batch for polyester fiber

Publications (1)

Publication Number Publication Date
CN103709654A true CN103709654A (en) 2014-04-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105970341A (en) * 2016-06-29 2016-09-28 马海燕 Flame-retardant polyester monofilament and method for producing same
CN112522807A (en) * 2020-11-30 2021-03-19 太仓杰希塑化有限公司 Processing technology of low-heat-conduction flame-retardant polyester low-stretch yarn
CN113088049A (en) * 2021-04-28 2021-07-09 赵彬 Flame-retardant master batch for polyester spinning

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105970341A (en) * 2016-06-29 2016-09-28 马海燕 Flame-retardant polyester monofilament and method for producing same
CN112522807A (en) * 2020-11-30 2021-03-19 太仓杰希塑化有限公司 Processing technology of low-heat-conduction flame-retardant polyester low-stretch yarn
CN113088049A (en) * 2021-04-28 2021-07-09 赵彬 Flame-retardant master batch for polyester spinning

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Application publication date: 20140409