CN108049168B - Fibrilia free of formaldehyde and acetaldehyde release and preparation method thereof - Google Patents
Fibrilia free of formaldehyde and acetaldehyde release and preparation method thereof Download PDFInfo
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- CN108049168B CN108049168B CN201810012319.4A CN201810012319A CN108049168B CN 108049168 B CN108049168 B CN 108049168B CN 201810012319 A CN201810012319 A CN 201810012319A CN 108049168 B CN108049168 B CN 108049168B
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- fibrilia
- coupling agent
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- adsorbent
- mass
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 69
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003463 adsorbent Substances 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 14
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 14
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 14
- 235000009120 camo Nutrition 0.000 claims abstract description 14
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 14
- 239000011487 hemp Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 240000000491 Corchorus aestuans Species 0.000 claims abstract description 9
- 235000011777 Corchorus aestuans Nutrition 0.000 claims abstract description 9
- 235000010862 Corchorus capsularis Nutrition 0.000 claims abstract description 9
- 235000004431 Linum usitatissimum Nutrition 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 244000198134 Agave sisalana Species 0.000 claims abstract description 5
- 240000008564 Boehmeria nivea Species 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 23
- 229920006395 saturated elastomer Polymers 0.000 claims description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000012802 nanoclay Substances 0.000 claims description 11
- 241000208202 Linaceae Species 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 abstract description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 240000006240 Linum usitatissimum Species 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000011160 polymer matrix composite Substances 0.000 abstract 1
- 229920013657 polymer matrix composite Polymers 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000012855 volatile organic compound Substances 0.000 description 10
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
Classifications
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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
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic 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
- 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
-
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a fibrilia free of formaldehyde and acetaldehyde release and a preparation method thereof, belonging to the field of fiber modification treatment. The fibrilia without formaldehyde and acetaldehyde release is obtained by spraying adsorbent on the opened fibrilia and drying and negative pressure treatment, and is used for preparing the reinforcing base of the fibrilia reinforced polymer matrix composite. The fibrilia is natural fiber such as jute, flax, sisal, hemp, ramie, etc. The fibrilia prepared by the invention has the advantages of environmental protection, no formaldehyde and no acetaldehyde release. Can be widely applied to the fields of natural fiber reinforced polymer matrix composite materials, building reinforced materials and the like, has good application prospect, and is a low-cost and environment-friendly natural fiber preparation treatment process.
Description
Technical Field
The invention belongs to the field of fiber modification treatment.
Background
Along with the progress of society, the demands of people on environmental protection, energy conservation, material saving and the like are continuously improved, the demands on automobiles and automobile interior trim materials are also higher and higher, and the market competition is vigorous. The problem of VOC (volatile organic compounds) is the problem that the automotive interior material must solve, and the formaldehyde and acetaldehyde in the fibrilia composite material are difficult to completely remove by the traditional treatment method, so that the produced fibrilia composite material still has difficulty in meeting the strict requirement of VOC release of national regulations of automotive interior parts. Therefore, a low-cost process method capable of completely removing formaldehyde and acetaldehyde in fibrilia is a difficult problem to be solved in the development of the automobile interior material industry.
Disclosure of Invention
In order to solve the problem that VOC release in the existing fibrilia composite material cannot meet the national regulation requirement, the invention provides a fibrilia with low formaldehyde and acetaldehyde release, wherein gaps among fibrilia in fibrilia groups with the size of 5-10 mm formed by fibrilia 1 are filled with adsorbent particles 2, and fiber bundles of the fibrilia 1 and the adsorbent particles 2 are mutually adhered.
The preparation method of the fibrilia with low formaldehyde and acetaldehyde release comprises the following specific steps:
1) Unpacking the fibrilia bag by using an unpacking machine to enable the fibrilia to form fibrilia groups with the size of 5-10 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 1-10 kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release.
Wherein the adsorbent is silane coupling agent modified nano clay. The hemp fiber can be selected from jute, flax, sisal, hemp or ramie.
The preparation method of the adsorbent suspension comprises the following steps: adding 0.5-2wt% of nanoclay, 0.25-1wt% of dispersant and 1-2wt% of silane coupling agent into water to form a nanoclay-coupling agent suspension with a concentration of 10-30 wt%; stirring the nanoclay-coupling agent suspension at 1000-1350rpm for 0.5-2 hours; stirring the nano clay-coupling agent suspension for 1.5-3 hours at 1700-2000rpm to form a coupling agent mixed solution of nano clay.
The invention has the beneficial effects that:
the fibrilia treated by the method has the advantages of good environmental protection performance, low formaldehyde and acetaldehyde release and wide application. Can be widely applied to the fields of natural fiber reinforced polymer matrix composite materials, building reinforcing materials and the like, has good application prospect, and is a low-cost and environment-friendly natural fiber treatment process.
Drawings
FIG. 1 is a schematic representation of fibrilia structure with low formaldehyde and acetaldehyde emissions.
Detailed Description
The technical scheme of the invention is further explained and illustrated by the following specific examples.
Example 1 (jute fiber)
1) Unpacking the jute fiber bag by using an unpacking machine to enable the jute fiber to form a jute fiber group with the size of 5 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 5kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release.
Wherein, the configuration method of the adsorbent comprises the following steps: 0.5 weight percent of nano montmorillonite, 0.25 weight percent of polyvinylpyrrolidone and 1 weight percent of silane coupling agent are taken as dispersing agents, water is added to prepare suspension with the concentration of 20 weight percent, and the suspension is stirred for 1h at 1350rpm by a mechanical stirrer and then stirred for 2h at 1700rpm to prepare the uniformly dispersed nano clay suspension.
The VOC release amount of the fibrilia prepared by the invention is 0.05 mg/kg of formaldehyde, 0.04 mg/kg of acetaldehyde and 2C mug/g of TVOC by the bag-type VOC test method.
Example 2 [ hemp (or China hemp) fiber ]
1) Unpacking the hemp fiber bag by using an unpacking machine to enable the hemp fiber to form a hemp fiber group with the size of 8 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 3kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release.
Wherein, the configuration method of the adsorbent comprises the following steps: 1wt% of nano montmorillonite, 0.25wt% of polyvinylpyrrolidone and 1.5wt% of silane coupling agent are taken as dispersing agents, water is added to prepare suspension with the concentration of 20wt%, and the suspension is stirred for 1h at 1350rpm by a mechanical stirrer and then stirred for 2h at 1700rpm to prepare uniformly dispersed nano clay suspension.
The VOC release amount of the fibrilia prepared by the invention is 0.03 mg/kg of formaldehyde, 0.05 mg/kg of acetaldehyde and 3C mug/g of TVOC by the bag-type VOC test method.
Example 3 (flax fiber)
1) Unpacking the flax fiber bag by using an unpacking machine to enable the flax fibers to form flax fiber clusters with the size of 10 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 10kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release.
Wherein, the configuration method of the adsorbent comprises the following steps: 2wt% of nano montmorillonite, 1wt% of polyvinylpyrrolidone and 2wt% of silane coupling agent are taken as dispersing agents, water is added to prepare suspension with the concentration of 20wt%, and the suspension is stirred for 1h at 1350rpm by a mechanical stirrer and then stirred for 2h at 1700rpm to prepare uniformly dispersed nano clay suspension.
The VOC release amount of the fibrilia prepared by the invention is 0.06 mg/kg of formaldehyde, 0.02 mg/kg of acetaldehyde and 1C mug/g of TVOC by the bag-type VOC test method.
As shown in figure 1, the fibrilia structure prepared by the method is characterized in that gaps among fibrilia in fibrilia groups with the size of 5-10 mm formed by fibrilia 1 are filled with adsorbent particles 2, and fiber bundles of the fibrilia 1 and the adsorbent particles 2 are adhered to each other.
Claims (6)
1. The fibrilia with low formaldehyde and acetaldehyde release is characterized in that gaps among fibrilia groups with the size of 5-10 mm formed by winding the fibrilia (1) are filled with adsorbent particles (2), and fiber bundles of the fibrilia (1) are adhered with the adsorbent particles (2); the adsorbent is silane coupling agent modified nano clay; the hemp fiber is jute, flax, sisal, hemp or ramie fiber; the preparation method comprises the following steps:
1) Unpacking the fibrilia bag by using an unpacking machine to enable the fibrilia to form fibrilia groups with the size of 5-10 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 1-10 kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release;
wherein the adsorbent is silane coupling agent modified nano clay; the hemp fiber is fiber of jute, flax, sisal, hemp or ramie.
2. A process for preparing a fibrilia having low formaldehyde and acetaldehyde emissions as claimed in claim 1, comprising the steps of:
1) Unpacking the fibrilia bag by using an unpacking machine to enable the fibrilia to form fibrilia groups with the size of 5-10 mm;
2) Spraying the fibrilia mass through an adsorbent solution to enable the fibrilia mass to fully infiltrate the adsorbent solution to a saturated state;
3) Ventilating and exhausting the saturated fibrilia mass;
4) Transferring the saturated fibrilia mass into a closed container for negative pressure treatment, wherein the vacuum degree is 1-10 kPa; obtaining fibrilia with low formaldehyde and acetaldehyde release;
wherein the adsorbent is silane coupling agent modified nano clay; the hemp fiber is fiber of jute, flax, sisal, hemp or ramie.
3. The method of preparing fibrilia with low formaldehyde and acetaldehyde release according to claim 2, wherein the adsorbent suspension is prepared by: adding 0.5-2wt% of nanoclay, 0.25-1wt% of dispersant and 1-2wt% of silane coupling agent into water to form a nanoclay-coupling agent suspension with a concentration of 10-30 wt%; stirring the nanoclay-coupling agent suspension at 1000-1350rpm for 0.5-2 hours; stirring the nano clay-coupling agent suspension for 1.5-3 hours at 1700-2000rpm to form a coupling agent mixed solution of nano clay.
4. A method for preparing a fibrilia with low formaldehyde and acetaldehyde release according to claim 3, wherein 0.5wt% nano montmorillonite, 0.25wt% polyvinylpyrrolidone, and 1wt% silane coupling agent are added to water as a dispersant to prepare a 20wt% suspension, and the suspension is prepared by stirring the mixture at 1350rpm for 1 hour with a mechanical stirrer and then at 1700rpm for 2 hours.
5. A method for preparing a fibrilia with low formaldehyde and acetaldehyde release according to claim 3, wherein 1wt% of nano montmorillonite, 0.25wt% of polyvinylpyrrolidone as a dispersing agent and 1.5wt% of silane coupling agent are added into water to prepare a suspension with a concentration of 20wt%, and the suspension is prepared by stirring the mixture with a mechanical stirrer at 1350rpm for 1 hour and then stirring the mixture at 1700rpm for 2 hours.
6. A method for preparing a fibrilia with low formaldehyde and acetaldehyde release according to claim 3, wherein 2wt% of nano montmorillonite, 1wt% of polyvinylpyrrolidone as a dispersing agent and 2wt% of silane coupling agent are added into water to prepare a suspension with a concentration of 20wt%, and the suspension is prepared by stirring the mixture at 1350rpm for 1 hour with a mechanical stirrer and then at 1700rpm for 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012319.4A CN108049168B (en) | 2018-01-05 | 2018-01-05 | Fibrilia free of formaldehyde and acetaldehyde release and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012319.4A CN108049168B (en) | 2018-01-05 | 2018-01-05 | Fibrilia free of formaldehyde and acetaldehyde release and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108049168A CN108049168A (en) | 2018-05-18 |
| CN108049168B true CN108049168B (en) | 2023-11-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061567A (en) * | 2010-12-24 | 2011-05-18 | 欣龙控股（集团）股份有限公司 | Method and device for producing nonwoven fabric by thermal-calendering soft and smooth finishing |
| CN103786350A (en) * | 2014-01-02 | 2014-05-14 | 长春博超汽车零部件股份有限公司 | Preparation method of low-VOC (Volatile Organic Compounds) jute fibrilia through combination of mechanical mode, nanometer mode and chemical mode |
| CN104690979A (en) * | 2015-02-16 | 2015-06-10 | 长春博超汽车零部件股份有限公司 | Low-VOC natural fiber composite as well as preparation method and application of composite |
| CN106280513A (en) * | 2015-06-05 | 2017-01-04 | 天津工业大学 | A kind of low formaldehyde flaxen fiber and the preparation method of low VOC composite thereof |
-
2018
- 2018-01-05 CN CN201810012319.4A patent/CN108049168B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061567A (en) * | 2010-12-24 | 2011-05-18 | 欣龙控股（集团）股份有限公司 | Method and device for producing nonwoven fabric by thermal-calendering soft and smooth finishing |
| CN103786350A (en) * | 2014-01-02 | 2014-05-14 | 长春博超汽车零部件股份有限公司 | Preparation method of low-VOC (Volatile Organic Compounds) jute fibrilia through combination of mechanical mode, nanometer mode and chemical mode |
| CN104690979A (en) * | 2015-02-16 | 2015-06-10 | 长春博超汽车零部件股份有限公司 | Low-VOC natural fiber composite as well as preparation method and application of composite |
| CN106280513A (en) * | 2015-06-05 | 2017-01-04 | 天津工业大学 | A kind of low formaldehyde flaxen fiber and the preparation method of low VOC composite thereof |
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| CN108049168A (en) | 2018-05-18 |
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