CN107881773A - A kind of arrangement application process of phosphor nitrogen combustion inhibitor on dacron - Google Patents
A kind of arrangement application process of phosphor nitrogen combustion inhibitor on dacron Download PDFInfo
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- CN107881773A CN107881773A CN201711267525.1A CN201711267525A CN107881773A CN 107881773 A CN107881773 A CN 107881773A CN 201711267525 A CN201711267525 A CN 201711267525A CN 107881773 A CN107881773 A CN 107881773A
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- dacron
- terylene
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- flame
- ethanol
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/2246—Esters of unsaturated carboxylic acids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a kind of arrangement application of phosphor nitrogen combustion inhibitor on dacron.Fire retarding treating liquid is formulated as：15 35wt% fire retardant DMPP, 0 the 2wt% 5wt% of bleeding agent span 80 and 1 initiator hyperis, remaining is 30% ethanol water.Application in flame-resistant terylene：Dacron to be arranged is impregnated into 30min in dressing liquid, two leachings two are rolled, dried, and 3min is baked at 110 150 DEG C, obtained flame retardant textiles after scrubbed.This process conditions is gentle, and technique is simple, and obtained dacron has good fire resistance.
Description
Technical field
The present invention relates to weaving field of fire-proof technology, and in particular to a kind of method of dacron flame-proof treatment.
Background technology
At present in high polymer material used in the mankind, the application of textile has accounted for majority.And the use of textile
The every aspect of life has been penetrated into, and polyester fiber has higher intensity and elastic recovery capability, it is strong durable, it is crease-resistant to exempt from
Scald, there is good heat-resisting light fastness.
Terylene is synthetic fibers, easy firing during close to naked light, and fiber is heated first starts to crispatura, and ultimately generates molten drop drop
Under.Synthetic fibers easily decompose when heated, release imflammable gas, are burnt in fiber surface, and burned flame makes polyester fiber
Continue to be heated, more promote the thermal decomposition of terylene.
When polyester fiber is heated, temperature starts to soften when reaching 260 DEG C, according to maximum energy criterion, terylene molecular chain-end
Hydroxyl radical attacks strand in carbonyl generation cyclic oligomer, while terylene occur melt and be shrunk to drop, this is terylene
The key reaction occurred during burning；When ambient temperature continues to be increased to 280 DEG C, the chemical bond inside terylene starts to enliven, split
Solution produces many imflammable gas, and flaming combustion occurs rapidly in the presence of oxygen, during along with active oxygen, hydrogen from
By the generation of base and the release of fuel gas and the burning of volatile matter, biphenyl class toxicant, extraneous temperature can be also generated sometimes
Degree can be raised further, and dacron also can further decompose, and terylene macromolecular can directly resolve into biphenyl and two sometimes
Carbonoxide.
Contain a small number of unsaturated alkane of substantial amounts of imflammable gas and phenolic material when polyester fiber cracks in product,
Cyclic compound is might have, may proceed to flaming combustion together with volatile matter caused by terylene cracking, flame spreads rapidly, thus fires
Burning becomes the vicious circle of " negative regulator ", and flameless combustion can occur for the carbonaceous residues of solid and coke.Pure terylene is at 250 DEG C
Degraded takes place, quality has notable loss when more than 350 DEG C, releases volatile products and imflammable gas.Terylene burns
Can be burnt etc. the change of a series of complex again there is melting, hydrolysis, cracking, charing, crosslinking, burning, gas release simultaneously.It is comprehensive
On, the Polyester Textiles with excellent flame retardant performance are prepared, tool is of great significance.
The content of the invention
In view of the above-mentioned problems existing in the prior art, it is whole on dacron this application provides a kind of phosphor nitrogen combustion inhibitor
Manage application process.Method reaction condition is gentle, and technique is simple, easy to operate.
Technical scheme is as follows：
A kind of arrangement application process of phosphor nitrogen combustion inhibitor on dacron, is comprised the following steps that：
(1) fire retarding treating liquid is prepared：
The raw material of following mass percent is mixed：15-35wt% DMPP fire retardants, 0-2wt% bleeding agent span-
80,1-5wt% initiator hyperis, remaining is the ethanol water that volume fraction is 30%, is configured to fire-retardant
Dressing liquid；
(2) dressing liquid is handled：
Dacron to be arranged is impregnated into dressing liquid, two leachings two are rolled；After terylene preliminary drying being arranged, in 110-150
DEG C 3min is baked, flame retardant textiles are made after being dried again after scrubbed.
Preferably, the dip time described in step (2) is 30min.
Preferably, pick-up described in step (2) is 100%.
The present invention is beneficial to be had technical effect that：
The present invention arranges fire retardant on water-repellent fabrics terylene, and arrange terylene have excellent hydrophilicity,
Antistatic property and fire resistance, reaction condition is gentle, and technological operation is simple.
The flame retarding efficiency of the flame-resistant terylene textile prepared by present invention process is high, and during vertical combustion, flame-resistant terylene is spun
Fabric charcoal length more than 30cm by dropping to 7.7cm；The limited oxygen index of flame-resistant terylene textile has been raised to 25.7% by 19.9%.
The flame-resistant terylene textile prepared by present invention process has excellent hydrophilicity.Due to the fire-retardant list of selection
Oxygen, nitrogen element content are higher in body, and easily and hydrone forms complicated hydrogen bond structure.In hydrophily test experiments, arrangement is washed
Synthetic fibre textile water droplet wetting time more than 400s by dropping to 123s.
The flame-resistant terylene textile prepared by present invention process has excellent antistatic property.Surveyed in antistatic property
In examination experiment, the half-life of Polyester Textiles is arranged by dropping to 38s more than 60s.
Brief description of the drawings
Fig. 1 is flame-resistant terylene textile vertical combustion design sketch in test case 1 of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the present invention is specifically described.
Embodiment 1
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.Use volume fraction
Fire retardant that ethanol water concentration of ordinary dissolution for 30% is 35wt%, 3.0wt% initiator hyperis,
0wt% bleeding agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- and soaks
Two roll (pick-up 100%), and → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer
(monomer and homopolymer can be completely dissolved in ethanol solution), is dried to constant weight at 60 DEG C, weighs, rate of body weight gain 0.83%.
Embodiment 2
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.Use volume fraction
Fire retardant that ethanol water concentration of ordinary dissolution for 30% is 35wt%, 3.0wt% initiator hyperis,
1.0wt% bleeding agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis-
(pick-up 100%) is rolled in leaching two, and → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymerization
Thing (monomer and homopolymer can be completely dissolved in ethanol solution), is dried to constant weight at 60 DEG C, weighs, rate of body weight gain is
5.87%.
Embodiment 3
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.Use volume fraction
Fire retardant that ethanol water concentration of ordinary dissolution for 30% is 35wt%, 3.0wt% initiator hyperis,
2.0wt% bleeding agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis-
(pick-up 100%) is rolled in leaching two, and → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymerization
Thing (monomer and homopolymer can be completely dissolved in ethanol solution), is dried to constant weight at 60 DEG C, weighs, rate of body weight gain is
12.11%.
Embodiment 4
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 1.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 11.38%.
Embodiment 5
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 13.26%.
Embodiment 6
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 5.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 9.35%.
Embodiment 7
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (110 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 7.65%.
Embodiment 8
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (130 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 11.08%.
Embodiment 9
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (150 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 10.48%.
Embodiment 10
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 15wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 5.99%.
Embodiment 11
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 20wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 7.55%.
Embodiment 12
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 25wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 9.82%.
Embodiment 13
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 30wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 11.74%.
Embodiment 14
Dacron dries 1h after fully being washed with acetone at 60 DEG C, weighs the weight of dacron.With 30% second
Alcohol solution concentration of ordinary dissolution be 35wt% fire retardant, 3.0wt% initiator hyperis, 2.0wt% infiltration
Agent span80 prepares dipping solution, and dressing liquid is heated into 70 DEG C, is put into terylene immersion (30min) → bis- leaching two and rolls (pick-up
100%) → drying (65 DEG C, 5min) → bakes (120 DEG C, 3min).Washed with ethanol and remove surface homopolymer (monomer and homopolymerization
Thing can be completely dissolved in ethanol solution), constant weight is dried at 60 DEG C, is weighed, rate of body weight gain 12.36%.
The terylene rate of body weight gain that embodiment 1-14 is prepared is as shown in table 1.
Table 1
Test case 1
The arrangement terylene that case study on implementation 10-14 is prepared is according to GB/T 5455-1997《Textile combustion performance is surveyed
Try normal beam technique》, vertical burn test, the mark of test are carried out to fabric on YG815 type normal beam technique instrument for testing burning performance of fabric
Quasi- sample size is 300 × 80mm.For former terylene in vertical burn test, charcoal length is more than 30cm, it is impossible to passes through test.By resistance
The dacron that combustion arranges substantially has better flame resistance than former dacron, and with the increase fabric of flame retardant concentration
The charcoal length of vertical combustion is gradually reduced, and fire resistance gradually improves.Terylene pattern after burning is as shown in Figure 1；From the left side according to
Secondary undressed terylene sample, embodiment 10, embodiment 11, embodiment 12, embodiment 13, embodiment 14 are prepared
Terylene sample.Its vertical combustion charcoal length is as shown in table 2.
Table 2
| Embodiment | Former terylene | 10 | 11 | 12 | 13 | 14 |
| Vertical combustion charcoal grows (cm) | ＞ 30 | 15.4 | 15.2 | 14.8 | 11.3 | 7.7 |
Test case 2
The arrangement terylene that case study on implementation 10-14 is prepared is according to AATCC 79-2000《The water imbibition of textile is surveyed
It is fixed》Method is tested.The standard sample size of test is 80 × 80mm.Five are dripped respectively at the different position of fabric to drip,
Record the average time of water droplet wet fabric.For former terylene when water imbibition is tested, water droplet wetting time is fire-retardant more than 400s, process
The dacron of arrangement substantially has more preferable hydrophilicity than former dacron, and with the increase fabric water of flame retardant concentration
Drop wetting time shortens, and hydrophilicity gradually improves.The water droplet wetting time for the terylene sample that embodiment 10-14 is prepared is such as
Shown in table 3.
Table 3
| Embodiment | Former terylene | 10 | 11 | 12 | 13 | 14 |
| Water droplet wetting time (s) | ＞ 400 | 347 | 306 | 255 | 183 | 123 |
Test case 3
The arrangement terylene that case study on implementation 10-14 is prepared is according to GB/T 12703-1991《Textile electrostatic test side
Method》Measure arranges the electrostatic half-life of terylene.The standard sample size of test is 40 × 40mm, each two pieces through broadwise.In LFY-
The electrostatic half-life of 401 electrostatic half-life tester testing polyester fabrics.During former terylene electrostatic half-life test, half-life
More than 60s, the dacron by flame-proof treatment substantially has more preferable antistatic property than former dacron, and with fire-retardant
The increase static of the fabric half-life of agent concentration shortens, and antistatic property gradually improves.What embodiment 10-14 was prepared washs
The electrostatic half-life time of synthetic fibre sample is as shown in table 4.
Table 4
Claims (3)
1. arrangement application process of a kind of phosphor nitrogen combustion inhibitor on dacron, it is characterised in that comprise the following steps that：
(1) fire retarding treating liquid is prepared：
The raw material of following mass percent is mixed：15-35wt% DMPP fire retardants, 0-2wt% bleeding agent span-80,
1-5wt% initiator hyperis, remaining is the ethanol water that volume fraction is 30%, is configured to flame-proof treatment
Liquid；
(2) dressing liquid is handled：
Dacron to be arranged is impregnated into dressing liquid, two leachings two are rolled；After terylene preliminary drying being arranged, in 110-150 DEG C of roasting
3min is dried, flame retardant textiles are made after being dried again after scrubbed.
2. according to claim 1, it is characterised in that：Dip time described in step (2) is 30min.
3. according to claim 1, it is characterised in that：Pick-up described in step (2) is 100%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711267525.1A CN107881773B (en) | 2017-12-05 | 2017-12-05 | Finishing application method of phosphorus-nitrogen flame retardant on polyester fabric |
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| CN201711267525.1A CN107881773B (en) | 2017-12-05 | 2017-12-05 | Finishing application method of phosphorus-nitrogen flame retardant on polyester fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097981A (en) * | 2018-08-07 | 2018-12-28 | 浙江彩蝶实业有限公司 | A kind of production technology of reaction-type flame-retarding dacron |
| CN112941897A (en) * | 2021-01-29 | 2021-06-11 | 浙江金典印染有限公司 | Dyeing process of polyester fabric |
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| CN112941897A (en) * | 2021-01-29 | 2021-06-11 | 浙江金典印染有限公司 | Dyeing process of polyester fabric |
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