CN105714564A - Preparation method of flame-retardant and heat-preserving modified down fibers - Google Patents
Preparation method of flame-retardant and heat-preserving modified down fibers Download PDFInfo
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- CN105714564A CN105714564A CN201610228430.8A CN201610228430A CN105714564A CN 105714564 A CN105714564 A CN 105714564A CN 201610228430 A CN201610228430 A CN 201610228430A CN 105714564 A CN105714564 A CN 105714564A
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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
- D06M19/00—Treatment of feathers
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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
- 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)
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a preparation method of flame-retardant and heat-preserving modified down fibers and belongs to the technical field of non-woven materials. According to the preparation method, down fibers are mixed with sodium hydroxide, the mixture is filtered and dried, an ethylenediamine solution and an ammonium metavanadate solution are added, a radiation reaction is performed, radiant matters are mixed with diethoxy methyl silane and an antimonous oxide while being heated in a water bath, finally, the mixture is filtered, washed with distilled water and put into a reaction kettle, discharged products are collected, and the flame-retardant and heat-preserving modified down fibers are obtained. Examples prove that the preparation method is simple and convenient to operate, no special equipment is required in the preparation process, no harm is caused to the environment, and the finally prepared down fibers are light in mass and good in heat-storage and heat-preserving performance, cannot produce a bloated effect after clothes made of the down fibers are worn and has extremely high flame retardancy and a very remarkable effect.
Description
Technical field
The preparation method that the invention discloses the modified down fiber of a kind of fire-retardant heat insulation, belongs to nonwoven material technical field.
Background technology
Eider down is the long abdominal part in geese and ducks, becomes the fine hair of Flos Phragmitis piece shape, slabbing be feather.Owing to eider down is a kind of animal protein fiber, higher than Cotton Gossypii (vegetative fiber element) heat insulating ability, down jackets are the clothing being made as inner stuffing using natural down such as duck's down, goose down etc., have light, soft, warm with other not replaceable advantages of any warmth retention property clothing such as life-span length, it is the winter warming clothing of current people indispensability, but current existing down fiber product heat accumulation thermal is not good, and feel more too fat to move to people after wearing.
Owing to eider down content in feather is very few, generally only account for 20～25%, use cost is too high, but except a small amount of for clothing and bedding in make warming packing material and in the composite as reinforcing material except, major part simply simple processed is used as feedstuff or adopts the methods such as fermentation to degrade, cause substantial amounts of waste feather fiber not utilized very well, very unfortunately.Existing eider down does not have flame-retarding characteristic simultaneously, there is hidden danger.
Therefore, seeking a kind of good heat insulating, the down fiber that fire resistance is strong is necessary.
Summary of the invention
The technical problem that present invention mainly solves: not good for down fiber heat accumulation thermal performance conventional at present, feel more too fat to move to people after wearing, and there is no flame-retarding characteristic, there is the present situation of potential safety hazard, provide one down fiber and sodium hydroxide to be mixed, ethylenediamine and ammonium metavanadate solution is added after filtering drying, carry out radioreaction, methyl diethoxy hydrogen silane and antimony oxide will be added subsequently under radiant matter heating in water bath, finally filter, reactor is put into after distilled water flushing, collect discharging thing, thus the preparation method obtaining the modified down fiber of fire-retardant heat insulation.The method is easy and simple to handle, without special installation in the process of preparation, for environment also without any harm, final prepared down fiber not only light weight, heat accumulation thermal are good, and the too fat to move sensation of people after wearing, will not be given, and there is high fire resistance, effect is extremely notable.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) by solid-to-liquid ratio 1:3, weigh down fiber and mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, it is placed at 50 DEG C again standing filtering after 30～40min, use distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；
(2) above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 30～40% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 6～8% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 3～4min；
(3) after above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 5～8%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 10～15min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 1.6～2.2% respectively；
(4) after above-mentioned substance has added, with the modified 4～6h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 1～2MPa, after maintaining pressure 2～4min, in 5～6s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
The application process of the present invention is: takes the modified down fiber of fire-retardant heat insulation that 1～2kg present invention prepares and makes nonwoven products, afterwards the nonwoven products made is wrapped up equipped with the teacup that 300～400mL temperature is 50～60 DEG C, after 1～2h, by thermometer measure teacup temperature, detection temperature is 48～55 DEG C, and heat insulation effect is notable.Being lighted by the nonwoven products made afterwards, recording evenly heat rate of release (HRR) is 88kw/m2, after 15～25min, average heat release rate is also from 88kw/m2It is reduced to 12～20kw/m2, thus substantially increasing fire resistance, fire resistance is notable.
The invention has the beneficial effects as follows:
(1) the inventive method is easy and simple to handle, without special installation in the process of preparation, for environment also without any harm, belongs to environmental protection technique；
(2) down fiber that the present invention prepares not only light weight, heat accumulation thermal are good, and will not give the too fat to move sensation of people after wearing, and have high fire resistance, and effect is extremely notable.
Detailed description of the invention
First by solid-to-liquid ratio 1:3, weigh down fiber and mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, it is placed at 50 DEG C again standing filtering after 30～40min, use distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；Then above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 30～40% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 6～8% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 3～4min；After above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 5～8%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 10～15min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 1.6～2.2% respectively；It is last after above-mentioned substance has added, with the modified 4～6h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 1～2MPa, after maintaining pressure 2～4min, in 5～6s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
Example 1
First weigh 100g down fiber and 300mL mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, then be placed at 50 DEG C standing filtering after 30min, uses distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；Then above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 30% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 6% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 3min；After above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 5%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 10min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 1.6% respectively；It is last after above-mentioned substance has added, with the modified 4h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 1MPa, after maintaining pressure 2min, in 5s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
This example operation is simple, during use, take the modified down fiber of fire-retardant heat insulation that the 1kg present invention prepares and make nonwoven products, afterwards the nonwoven products made is wrapped up equipped with the teacup that 300mL temperature is 50 DEG C, after 1h, by thermometer measure teacup temperature, detection temperature is 48 DEG C, and heat insulation effect is notable.Being lighted by the nonwoven products made afterwards, recording evenly heat rate of release (HRR) is 88kw/m2, after 15min, average heat release rate is also from 88kw/m2It is reduced to 12kw/m2, thus substantially increasing fire resistance, fire resistance is notable.
Example 2
First weigh 200g down fiber and 600mL mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, then be placed at 50 DEG C standing filtering after 35min, uses distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；Then above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 35% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 7% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 3.5min；After above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 7%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 13min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 2.0% respectively；It is last after above-mentioned substance has added, with the modified 5h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 1.5MPa, after maintaining pressure 3min, in 5.5s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
This example operation is simple, during use, take the modified down fiber of fire-retardant heat insulation that the 1.5kg present invention prepares and make nonwoven products, afterwards the nonwoven products made is wrapped up equipped with the teacup that 350mL temperature is 55 DEG C, after 1.5h, by thermometer measure teacup temperature, detection temperature is 50 DEG C, and heat insulation effect is notable.Being lighted by the nonwoven products made afterwards, recording evenly heat rate of release (HRR) is 88kw/m2, after 20min, average heat release rate is also from 88kw/m2It is reduced to 18kw/m2, thus substantially increasing fire resistance, fire resistance is notable.
Example 3
First weigh 300g down fiber and 900mL mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, then be placed at 50 DEG C standing filtering after 40min, uses distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；Then above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 40% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 8% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 4min；After above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 8%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 15min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 2.2% respectively；It is last after above-mentioned substance has added, with the modified 6h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 2MPa, after maintaining pressure 4min, in 6s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
This example operation is simple, during use, take the modified down fiber of fire-retardant heat insulation that the 2kg present invention prepares and make nonwoven products, afterwards the nonwoven products made is wrapped up equipped with the teacup that 400mL temperature is 60 DEG C, after 2h, by thermometer measure teacup temperature, detection temperature is 55 DEG C, and heat insulation effect is notable.Being lighted by the nonwoven products made afterwards, recording evenly heat rate of release (HRR) is 88kw/m2, after 25min, average heat release rate is also from 88kw/m2It is reduced to 20kw/m2, thus substantially increasing fire resistance, fire resistance is notable.
Claims (1)
1. the preparation method of the modified down fiber of fire-retardant heat insulation, it is characterised in that concrete preparation process is:
(1) by solid-to-liquid ratio 1:3, weigh down fiber and mass fraction is the sodium hydroxide solution of 60%, mix homogeneously, it is placed at 50 DEG C again standing filtering after 30～40min, use distilled water flushing filtrate until the pH to 7.0 of flushing liquor, filtrate is put in baking oven, be dried overnight at 40 DEG C；
(2) above-mentioned dried filtrate is put in glass container, it is added thereto to the ethylenediamine of above-mentioned sodium hydroxide solution volume 30～40% and the ammonium metavanadate solution that mass fraction is 0.8% of above-mentioned sodium hydroxide solution volume 6～8% respectively, stir, being moved to by glass container in electron accelerator, radiation dose is 2.5 × 104Rad/s, radiated time is 3～4min；
(3) after above-mentioned radiation terminates, glass container is taken out, the polyurethane fiber being added thereto in glass container mixture quality 5～8%, again glass container is moved to and water-bath heats to 60 DEG C, after insulation 10～15min, it is added thereto to the methyl diethoxy hydrogen silane of the quality such as polyurethane fiber and the antimony oxide of polyurethane fiber quality 1.6～2.2% respectively；
(4) after above-mentioned substance has added, with the modified 4～6h of 180r/min stirring reaction, it is filtered again, uses distilled water flushing filtrate until flushing liquor pH to 7.0, subsequently filtrate is put in autoclave, it is filled with the hot-air of 60 DEG C wherein, boosting to 1～2MPa, after maintaining pressure 2～4min, in 5～6s, pressure release is to discharging after normal atmosphere, collect discharging thing, the modified down fiber of fire-retardant heat insulation can be obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228430.8A CN105714564A (en) | 2016-04-13 | 2016-04-13 | Preparation method of flame-retardant and heat-preserving modified down fibers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610228430.8A CN105714564A (en) | 2016-04-13 | 2016-04-13 | Preparation method of flame-retardant and heat-preserving modified down fibers |
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| CN105714564A true CN105714564A (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813694A (en) * | 2021-02-01 | 2021-05-18 | 江苏康乃馨羽绒制品科技有限公司 | Fine and soft processing method of rough sheet based on fluid medium |
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2016
- 2016-04-13 CN CN201610228430.8A patent/CN105714564A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813694A (en) * | 2021-02-01 | 2021-05-18 | 江苏康乃馨羽绒制品科技有限公司 | Fine and soft processing method of rough sheet based on fluid medium |
| CN112813694B (en) * | 2021-02-01 | 2023-02-28 | 江苏康乃馨羽绒制品科技有限公司 | Fine and soft processing method of rough sheet based on fluid medium |
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