CN113550145A - Flame-retardant treatment process for felt cloth - Google Patents
Flame-retardant treatment process for felt cloth Download PDFInfo
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- CN113550145A CN113550145A CN202110811100.2A CN202110811100A CN113550145A CN 113550145 A CN113550145 A CN 113550145A CN 202110811100 A CN202110811100 A CN 202110811100A CN 113550145 A CN113550145 A CN 113550145A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
-
- 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
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
-
- 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
- D06M13/322—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 nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
- D06M13/358—Triazines
- D06M13/364—Cyanuric acid; Isocyanuric acid; Derivatives 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3568—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing silicon
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of felt fabric manufacturing, and particularly relates to a felt fabric flame-retardant treatment process. The process comprises the following steps: (S1) washing the felt cloth, and then drying; (S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying; (S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth. The flame-retardant treatment process for the felt cloth provided by the invention is simple and easy to operate, and has lower raw material and implementation cost; the flame retardant property of the felt cloth treated by the process is obviously improved, and the basic properties of the felt cloth are not obviously changed; therefore, the flame-retardant treatment process and the felt cloth obtained by the treatment process have higher practical application value.
Description
Technical Field
The invention belongs to the technical field of felt fabric manufacturing, and particularly relates to a felt fabric flame-retardant treatment process.
Background
Felt cloth is widely used because of its good heat-insulating property, stable structure and certain elasticity. In modern production and life, felt cloth can be used in products such as sealing gaskets, sealing parting strips, heat insulation and preservation pads, polishing and polishing materials, leather rolling belts, papermaking pulp absorbing belts and the like. However, the felt cloth has weak flame retardant property, and is easy to continuously burn in high-temperature and open-flame environments, and a large amount of heat and a large amount of harmful smoke are generated by burning, so that the felt cloth has great harm to the life safety and the body health of people, and has great influence on the surrounding environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a felt fabric flame-retardant treatment process, aiming at improving the flame retardant property of felt fabric on the premise of not changing or basically not changing the properties of the felt fabric.
In order to achieve the purpose, the invention is realized by the following technical scheme: a flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
Further, in the above-mentioned felt cloth flame retardant treatment process step (S2), atomized ethanol solution containing silane coupling agent is uniformly sprayed to both sides of the felt cloth.
Further, in the step (S2) of the flame retardant treatment process for felt cloth, the silane coupling agent is 1.5 to 2.5% by mass in an ethanol solution of the silane coupling agent, and the silane coupling agent is any one of KH-550, KH-560 and KH-570.
Further, in the above-mentioned step (S2) of the flame-retardant treatment process for felt cloth, the amount of the ethanol solution of the silane coupling agent sprayed on each of both sides of the felt cloth is preferably 1.2 to 1.8g per square meter.
Further, in the step (S3) of the flame retardant treatment process for felt cloth, the dispersed emulsion comprises the following components by weight:
further preferably, in the above-mentioned felt cloth flame retardant treatment process step (S3), the dispersion emulsion comprises the following components by weight:
further, in the dispersed emulsion used in the flame-retardant treatment process of the felt cloth, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
Further, in the step (S3) of the flame retardant treatment process for felt cloth, the drying temperature is 155-165 ℃, and the felt cloth is dried until the weight of the felt cloth does not change with time and then taken out.
Further, in the step (S1) of the flame retardant treatment process for felt cloth, the cleaning method may be: spreading felt cloth, soaking in water, ultrasonic cleaning for 15-25min, cleaning for 2-3 times, centrifuging, drying, and oven drying at 120 deg.C until the weight is unchanged.
Further, in the step (S1) of the flame retardant treatment process for felt cloth, the cleaning method may be: spreading felt cloth, soaking in ethanol, ultrasonic cleaning for 5-10min, cleaning for 1-2 times, centrifuging, drying, and oven drying at 80 deg.C until the weight is unchanged.
Has the advantages that: compared with the prior art, the flame-retardant treatment process for the felt cloth provided by the invention is simple and easy to operate, and has lower raw material and implementation cost; the flame retardant property of the felt cloth treated by the process is obviously improved, and the basic properties of the felt cloth are not obviously changed; therefore, the flame-retardant treatment process and the felt cloth obtained by the treatment process have higher practical application value.
Detailed Description
The invention is further illustrated by the following specific examples, which are illustrative and intended to illustrate the problem and explain the invention, but not limiting.
Example 1
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 2.0 percent, and the silane coupling agent is KH-560. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.5 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 160 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
In the step (S1) of this example, a felt cloth was spread and soaked in water, ultrasonically cleaned for 20min, cleaned for 3 times, centrifugally dried, and then placed in an oven at 120 ℃ to be dried until the weight of the felt cloth did not change.
Example 2
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 1.5 percent, and the silane coupling agent is KH-550. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.8 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 155 ℃, and the felt cloth is dried until the weight of the felt cloth does not change with time and then taken out.
In the step (S1) of this example, a felt cloth was spread and soaked in water, ultrasonically cleaned for 15min, cleaned for 3 times, centrifugally dried, and then placed in an oven at 120 ℃ to be dried until the weight of the felt cloth did not change.
Example 3
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 2.5 percent, and the silane coupling agent is KH-570. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.2 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 165 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
In the step (S1) of this embodiment, a felt cloth is spread and soaked in water, ultrasonically cleaned for 25min, cleaned for 2 times, centrifugally dried, and then placed in an oven at 120 ℃ to be dried until the weight does not change.
Example 4
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 1.8 percent, and the silane coupling agent is KH-560. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.6 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 162 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
In the step (S1) of this embodiment, a felt cloth is spread and soaked in ethanol, ultrasonically cleaned for 5min, cleaned for 2 times, centrifugally dried, and then placed in an oven at 80 ℃ to be dried until the weight does not change.
Example 5
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 2.2 percent, and the silane coupling agent is KH-550. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.3 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 158 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
In the step (S1) of this example, a felt cloth was spread and soaked in ethanol, ultrasonically cleaned for 10min, cleaned for 1 time, centrifugally dried, and then placed in an oven at 80 ℃ to dry until the weight did not change.
Example 6
A flame-retardant treatment process for felt cloth comprises the following steps:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
In the step (S2) of this example, the atomized ethanol solution containing the silane coupling agent was uniformly sprayed on both sides of the felt cloth. In the ethanol solution of the silane coupling agent, the mass fraction of the silane coupling agent is 1.9 percent, and the silane coupling agent is KH-570. The amount of the silane coupling agent ethanol solution sprayed on each square meter of both sides of the felt cloth is 1.5 g.
In the step (S3) of this example, the dispersion emulsion contained the following components by weight:
in the dispersion emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
In the step (S3) of this embodiment, the drying temperature is 160 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
In the step (S1) of this example, a felt cloth was spread and soaked in ethanol, ultrasonically cleaned for 7min, cleaned for 2 times, centrifugally dried, and then placed in an oven at 80 ℃ to be dried until the weight of the felt cloth did not change.
The samples of examples 1 to 6 were tested for flame retardant performance before and after flame retardant treatment. In the test, a sample with a size of 125mm × 13mm is cut out as a sample to be tested, the test is performed according to the UL94 standard method, and the flame retardant rating is recorded, and the result is shown in table 1.
TABLE 1 flame retardancy test results
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The flame-retardant treatment process of the felt cloth is characterized by comprising the following steps of:
(S1) washing the felt cloth, and then drying;
(S2) attaching a solution of a silane coupling agent to the surface of the felt cloth, and then drying;
(S3) soaking the felt cloth in the dispersed emulsion containing the flame retardant, taking out and drying to obtain the flame-retardant felt cloth.
2. The flame retardant treatment process of felt cloth according to claim 1, wherein in the step (S2), atomized ethanol solution containing silane coupling agent is uniformly sprayed on both sides of felt cloth.
3. The flame retardant felt cloth processing method according to claim 2, wherein in the step (S2), the silane coupling agent is any one of KH-550, KH-560 and KH-570, and the silane coupling agent is present in an ethanol solution of the silane coupling agent in an amount of 1.5 to 2.5% by mass.
4. The process of claim 3, wherein the amount of the ethanol solution of the silane coupling agent sprayed on each of both sides of the square meter of the felt in the step (S2) is 1.2 to 1.8 g.
5. The flame retardant treatment process of felt cloth according to claim 1, wherein in step (S3), the dispersed emulsion comprises the following components by weight:
100 portions of water
80-100 parts of water-based silicone-acrylate emulsion
40-50 parts of pentaerythritol
1.5-2.0 parts of emulsifier
25-30 parts of ammonium polyphosphate
18-24 parts of melamine
9-15 parts of nano calcium carbonate
1-2 parts of castor oil polyoxyethylene ether.
6. The flame retardant treatment process of felt cloth according to claim 5, wherein in step (S3), the dispersed emulsion comprises the following components by weight:
100 portions of water
85 parts of water-based silicone-acrylic emulsion
42 parts of pentaerythritol
Emulsifier 1.9 parts
28 parts of ammonium polyphosphate
21 parts of melamine
12 portions of nano calcium carbonate
And 1.5 parts of castor oil polyoxyethylene ether.
7. The flame retardant felt fabric treating process of claim 5, wherein in the dispersed emulsion, the emulsifier is OP-15 emulsifier, and the castor oil polyoxyethylene ether is EL-20.
8. The flame retardant treatment process of felt according to claim 5, wherein in the step (S3), the drying temperature is 155-165 ℃, and the felt is dried until the weight of the felt does not change with time and then taken out.
9. The flame retardant treatment process of felt cloth according to claim 1, wherein in the step (S1), the felt cloth is spread and soaked in water, ultrasonically cleaned for 15-25min, cleaned for 2-3 times, centrifugally dried, and then placed in an oven at 120 ℃ to be dried until the weight is not changed.
10. The flame retardant treatment process of felt cloth according to claim 1, wherein in the step (S1), the felt cloth is spread and soaked in ethanol, ultrasonically cleaned for 5-10min, cleaned for 1-2 times, centrifugally dried, and then placed in an oven at 80 ℃ to be dried until the weight of the felt cloth is not changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811100.2A CN113550145A (en) | 2021-07-19 | 2021-07-19 | Flame-retardant treatment process for felt cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811100.2A CN113550145A (en) | 2021-07-19 | 2021-07-19 | Flame-retardant treatment process for felt cloth |
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| CN113550145A true CN113550145A (en) | 2021-10-26 |
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| CN202110811100.2A Withdrawn CN113550145A (en) | 2021-07-19 | 2021-07-19 | Flame-retardant treatment process for felt cloth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197204A (en) * | 2021-11-09 | 2022-03-18 | 苏州鸿源特种纤维制品有限公司 | Non-woven fabric with waterproof function |
| CN114214836A (en) * | 2021-11-02 | 2022-03-22 | 苏州鸿源特种纤维制品有限公司 | Non-woven fabric flame-retardant treatment process |
-
2021
- 2021-07-19 CN CN202110811100.2A patent/CN113550145A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214836A (en) * | 2021-11-02 | 2022-03-22 | 苏州鸿源特种纤维制品有限公司 | Non-woven fabric flame-retardant treatment process |
| CN114197204A (en) * | 2021-11-09 | 2022-03-18 | 苏州鸿源特种纤维制品有限公司 | Non-woven fabric with waterproof function |
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