CN108752642A - A kind of heat safe composite material of plant fiber - Google Patents
A kind of heat safe composite material of plant fiber Download PDFInfo
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- CN108752642A CN108752642A CN201810631600.6A CN201810631600A CN108752642A CN 108752642 A CN108752642 A CN 108752642A CN 201810631600 A CN201810631600 A CN 201810631600A CN 108752642 A CN108752642 A CN 108752642A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
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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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
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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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/34—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxygen, ozone or ozonides
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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
- D06M13/50—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
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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
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/13—Alginic acid or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- 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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- 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
- D06M2101/06—Vegetal fibres cellulosic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a kind of heat safe composite material of plant fiber, according to the mass fraction, are made by following component：Modified 100-120 parts of flax fiber, 80-120 parts of modified soybean fiber, 20-30 parts of waterborne polyurethane resin；Preparation method is：It will be crushed after the modified flax fiber, modified soybean fiber cleaning, obtain plant fiber powder；The plant fiber powder is put into high mixer, the waterborne polyurethane resin is added and mixes, stirring obtains plant fiber mixing material；By the plant fiber mixing material heating and mould pressing be molded, cold air drying to get.The present invention mixes compound by the modification to flax fiber and soybean fiber using the height with waterborne polyurethane resin, enhances tolerance of the material to high temperature.By experiment, there is outstanding high temperature resistance using a kind of heat safe composite material of plant fiber provided by the invention, and existing common plant fibrous composite does not have heat-resisting ability.
Description
Technical field
The present invention relates to fibrous material technical field, specifically a kind of heat safe composite material of plant fiber.
Background technology
In order to eliminate the pollution that plastic products and paper products are brought, mineral products and natural resources are saved, is sought one after another all over the world
Seek the substitute of plastics and paper products.Plant fiber products are since using agricultural and sideline product as raw material sources, raw material sources are extensive；
Also, plant fiber products are degradable due to having the function of, obtained extensive research.Existing plant fiber products
Preparation method be by high-quality natural bamboo through it is broken, screen after, be properly added cavings, starch, Lauxite, toner, water etc.
Auxiliary material is sufficiently mixed；It after mixed raw material accurate weighing, is filled in the mold after preheating, carries out hot-forming, molding
After demould；Product after demoulding is tested, flash removed is then removed, carries out deburring, the post-processings such as polishing obtain plant fiber
Product.
The characteristic of plant fiber non-refractory causes its use scope wideless, this is also that sponge is urgently to be resolved hurrily
Problem.
Invention content
In order to solve the problems mentioned above in the background art, the present invention provides a kind of heat safe plant fiber is compound
Material.
A kind of heat safe composite material of plant fiber is made by following component according to the mass fraction：Modified flax fiber
100-120 parts, 80-120 parts of modified soybean fiber, 20-30 parts of waterborne polyurethane resin；Preparation method is：By the modification
It is crushed after flax fiber, modified soybean fiber cleaning, obtains plant fiber powder；The plant fiber powder is put into high mixer, is added
It is mixed to enter the waterborne polyurethane resin, stirring obtains plant fiber mixing material；By the plant fiber mixing material heated mould
It is molded, cold air drying to get.
Further, the modified flax fiber, preparation method specifically include following steps：
(1) natural flax fiber is dried to moisture 4%-6%, is subsequently placed in change incubator and carries out intermittent warming,
Pressure 25-28Mpa, first low-temperature treatment 15-20 minutes under the conditions of 85-90 DEG C, then high-temperature process under the conditions of 108-115 DEG C
10-15 minutes, high and low temperature is repeated and handles 6-8 times, alternating temperature flax fiber is made；
(2) described alternating temperature flax dimension is placed in vacuum tank and is aoxidized, vacuum tank volume 15%- is passed through after being evacuated to vacuum
Modified flax fiber is made in 20% ozone, 70-78 DEG C of temperature, time 20-25 minute.
Further, the ozone is a concentration of 0.1-0.3ppm.
Further, the modified soybean fiber, preparation method specifically include following steps：
(1) it is 80 mesh to crush crude soya bean fiber, and it is 8%-12%'s to be distributed to and mass fraction is made in organic solvent
Suspension；
(2) negative ion powder is added in the suspension, the negative ion powder additive amount is the crude soya bean fiber
The 3.8%-4.6% of quality, is heated to 42-48 DEG C, is stirred 30-40 minutes with 800-1000r/min rotating speeds, then adds institute again
The coupling agent for stating crude soya bean fiber quality 0.8%-1% continues stirring 15-20 minutes, obtains mixed liquor；
(3) then the alginate that its quality 3% is added into the mixed liquor is ground 90-120 minutes；
(4) organic solvent is recycled in vacuum distillation, cooled to room temperature to get.
Further, the organic solvent is absolute ethyl alcohol.
Further, the negative ion powder granularity is 1200 mesh.
Further, the coupling agent is titanate coupling agent.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can improve the toughness of plant fiber by the modification to flax fiber and soybean fiber：By place
After reason fiber molecule can ordered arrangement, to effectively raise the softness and heat resistance of plant fiber, using
It is mixed with the height of waterborne polyurethane resin compound, further enhances tolerance of the material to high temperature.By experiment, the present invention is used
A kind of heat safe composite material of plant fiber provided has outstanding high temperature resistance, and existing common plant fiber is multiple
Condensation material does not have heat-resisting ability.
Specific implementation mode
Embodiment 1
A kind of heat safe composite material of plant fiber is made by following component according to the mass fraction：Modified flax fiber
100 parts, 80 parts of modified soybean fiber, 20 parts of waterborne polyurethane resin；Preparation method is：By the modified flax fiber, change
Property soybean fiber cleaning after crush, obtain plant fiber powder；The plant fiber powder is put into high mixer, is added described aqueous poly-
Urethane resin is mixed, and stirring obtains plant fiber mixing material；The plant fiber mixing material heating and mould pressing is molded, cold wind
It is dry to get.
Further, the modified flax fiber, preparation method specifically include following steps：
(1) natural flax fiber is dried to moisture 4%-6%, is subsequently placed in change incubator and carries out intermittent warming,
Pressure 25-28Mpa, first low-temperature treatment 15 minutes under the conditions of 85-90 DEG C, then high-temperature process 10 is divided under the conditions of 108-115 DEG C
Clock is repeated high and low temperature and handles 6 times, alternating temperature flax fiber is made；
(2) described alternating temperature flax dimension is placed in vacuum tank and is aoxidized, vacuum tank volume 15%- is passed through after being evacuated to vacuum
Modified flax fiber is made in 20% ozone, 70-78 DEG C of temperature, 20 minutes time.
Further, the ozone is a concentration of 0.1-0.3ppm.
Further, the modified soybean fiber, preparation method specifically include following steps：
(1) it is 80 mesh to crush crude soya bean fiber, and it is 8%-12%'s to be distributed to and mass fraction is made in organic solvent
Suspension；
(2) negative ion powder is added in the suspension, the negative ion powder additive amount is the crude soya bean fiber
The 3.8%-4.6% of quality, is heated to 42-48 DEG C, is stirred 30 minutes with 800-1000r/min rotating speeds, then adds again described
The coupling agent of crude soya bean fiber quality 0.8%-1% continues stirring 15 minutes, obtains mixed liquor；
(3) then the alginate that its quality 3% is added into the mixed liquor is ground 90 minutes；
(4) organic solvent is recycled in vacuum distillation, cooled to room temperature to get.
Further, the organic solvent is absolute ethyl alcohol.
Further, the negative ion powder granularity is 1200 mesh.
Further, the coupling agent is titanate coupling agent.
Embodiment 2
A kind of heat safe composite material of plant fiber is made by following component according to the mass fraction：Modified flax fiber
120 parts, 120 parts of modified soybean fiber, 30 parts of waterborne polyurethane resin；Preparation method is：By the modified flax fiber, change
Property soybean fiber cleaning after crush, obtain plant fiber powder；The plant fiber powder is put into high mixer, is added described aqueous poly-
Urethane resin is mixed, and stirring obtains plant fiber mixing material；The plant fiber mixing material heating and mould pressing is molded, cold wind
It is dry to get.
Further, the modified flax fiber, preparation method specifically include following steps：
(1) natural flax fiber is dried to moisture 4%-6%, is subsequently placed in change incubator and carries out intermittent warming,
Pressure 25-28Mpa, first low-temperature treatment 20 minutes under the conditions of 85-90 DEG C, then high-temperature process 15 is divided under the conditions of 108-115 DEG C
Clock is repeated high and low temperature and handles 8 times, alternating temperature flax fiber is made；
(2) described alternating temperature flax dimension is placed in vacuum tank and is aoxidized, vacuum tank volume 15%- is passed through after being evacuated to vacuum
Modified flax fiber is made in 20% ozone, 70-78 DEG C of temperature, 25 minutes time.
Further, the ozone is a concentration of 0.1-0.3ppm.
Further, the modified soybean fiber, preparation method specifically include following steps：
(1) it is 80 mesh to crush crude soya bean fiber, and it is 8%-12%'s to be distributed to and mass fraction is made in organic solvent
Suspension；
(2) negative ion powder is added in the suspension, the negative ion powder additive amount is the crude soya bean fiber
The 3.8%-4.6% of quality, is heated to 42-48 DEG C, is stirred 40 minutes with 800-1000r/min rotating speeds, then adds again described
The coupling agent of crude soya bean fiber quality 0.8%-1% continues stirring 20 minutes, obtains mixed liquor；
(3) then the alginate that its quality 3% is added into the mixed liquor is ground 120 minutes；
(4) organic solvent is recycled in vacuum distillation, cooled to room temperature to get.
Further, the organic solvent is absolute ethyl alcohol.
Further, the negative ion powder granularity is 1200 mesh.
Further, the coupling agent is titanate coupling agent.
Embodiment 3
A kind of heat safe composite material of plant fiber is made by following component according to the mass fraction：Modified flax fiber
110 parts, 100 parts of modified soybean fiber, 25 parts of waterborne polyurethane resin；Preparation method is：By the modified flax fiber, change
Property soybean fiber cleaning after crush, obtain plant fiber powder；The plant fiber powder is put into high mixer, is added described aqueous poly-
Urethane resin is mixed, and stirring obtains plant fiber mixing material；The plant fiber mixing material heating and mould pressing is molded, cold wind
It is dry to get.
Further, the modified flax fiber, preparation method specifically include following steps：
(1) natural flax fiber is dried to moisture 4%-6%, is subsequently placed in change incubator and carries out intermittent warming,
Pressure 25-28Mpa, first low-temperature treatment 18 minutes under the conditions of 85-90 DEG C, then high-temperature process 12 is divided under the conditions of 108-115 DEG C
Clock is repeated high and low temperature and handles 7 times, alternating temperature flax fiber is made；
(2) described alternating temperature flax dimension is placed in vacuum tank and is aoxidized, vacuum tank volume 15%- is passed through after being evacuated to vacuum
Modified flax fiber is made in 20% ozone, 70-78 DEG C of temperature, 22 minutes time.
Further, the ozone is a concentration of 0.1-0.3ppm.
Further, the modified soybean fiber, preparation method specifically include following steps：
(1) it is 80 mesh to crush crude soya bean fiber, and it is 8%-12%'s to be distributed to and mass fraction is made in organic solvent
Suspension；
(2) negative ion powder is added in the suspension, the negative ion powder additive amount is the crude soya bean fiber
The 3.8%-4.6% of quality, is heated to 42-48 DEG C, is stirred 35 minutes with 800-1000r/min rotating speeds, then adds again described
The coupling agent of crude soya bean fiber quality 0.8%-1% continues stirring 18 minutes, obtains mixed liquor；
(3) then the alginate that its quality 3% is added into the mixed liquor is ground 100 minutes；
(4) organic solvent is recycled in vacuum distillation, cooled to room temperature to get.
Further, the organic solvent is absolute ethyl alcohol.
Further, the negative ion powder granularity is 1200 mesh.
Further, the coupling agent is titanate coupling agent.
Comparative example 1
This comparative example 1 compared with Example 1, does not use the modified flax fiber, and method and step in addition to this is equal
It is identical.
Comparative example 2
This comparative example 2 compared with Example 2, does not use the modified soybean fiber, and method and step in addition to this is equal
It is identical.
Comparative example 3
This comparative example 3 compared with Example 3, does not use the waterborne polyurethane resin, method and step in addition to this
All same.
Control group
Existing composite material of plant fiber.
High temperature resistance test is carried out using above-mentioned 7 kinds of materials respectively, as a result such as following table：
| High temperature resistance | |
| Embodiment 1 | It is excellent |
| Embodiment 2 | It is excellent |
| Embodiment 3 | It is excellent |
| Comparative example 1 | It is good |
| Comparative example 2 | It is good |
| Comparative example 3 | It is good |
| Control group | Difference |
As seen from the above table, there is outstanding resistance to height using a kind of heat safe composite material of plant fiber provided by the invention
Warm nature energy, and existing common plant fibrous composite does not have heat-resisting ability.
Claims (7)
1. a kind of heat safe composite material of plant fiber, which is characterized in that according to the mass fraction, be made by following component：Change
100-120 parts of flax fiber of property, 80-120 parts of modified soybean fiber, 20-30 parts of waterborne polyurethane resin；Preparation method is：
It will be crushed after the modified flax fiber, modified soybean fiber cleaning, obtain plant fiber powder；The plant fiber powder is put into height
In mixed machine, the waterborne polyurethane resin is added and mixes, stirring obtains plant fiber mixing material；The plant fiber is mixed
Material heating and mould pressing be molded, cold air drying to get.
2. a kind of heat safe composite material of plant fiber according to claim 1, which is characterized in that described modified flax
Fiber, preparation method specifically include following steps：
(1) natural flax fiber is dried to moisture 4%-6%, is subsequently placed in change incubator and carries out intermittent warming, pressure
25-28Mpa, first low-temperature treatment 15-20 minutes under the conditions of 85-90 DEG C, then high-temperature process 10-15 under the conditions of 108-115 DEG C
Minute, high and low temperature is repeated and handles 6-8 times, alternating temperature flax fiber is made；
(2) described alternating temperature flax dimension is placed in vacuum tank and is aoxidized, vacuum tank volume 15%-20% is passed through after being evacuated to vacuum
Ozone, 70-78 DEG C of temperature, modified flax fiber is made in time 20-25 minute.
3. a kind of heat safe composite material of plant fiber according to claim 2, it is characterised in that：The ozone is
A concentration of 0.1-0.3ppm.
4. a kind of heat safe composite material of plant fiber according to claim 1, which is characterized in that the modified soybean
Fiber, preparation method specifically include following steps：
(1) it is 80 mesh to crush crude soya bean fiber, is distributed to the suspension for being made that mass fraction is 8%-12% in organic solvent
Liquid；
(2) negative ion powder is added in the suspension, the negative ion powder additive amount is the crude soya bean fiber quality
3.8%-4.6%, be heated to 42-48 DEG C, with 800-1000r/min rotating speeds stir 30-40 minutes, then add the day again
The coupling agent of right soybean fiber quality 0.8%-1%, continues stirring 15-20 minutes, obtains mixed liquor；
(3) then the alginate that its quality 3% is added into the mixed liquor is ground 90-120 minutes；
(4) organic solvent is recycled in vacuum distillation, cooled to room temperature to get.
5. a kind of heat safe composite material of plant fiber according to claim 4, it is characterised in that：The organic solvent
For absolute ethyl alcohol.
6. a kind of heat safe composite material of plant fiber according to claim 4, it is characterised in that：The negative ion powder
Granularity is 1200 mesh.
7. a kind of heat safe composite material of plant fiber according to claim 4, it is characterised in that：The coupling agent is
Titanate coupling agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810631600.6A CN108752642A (en) | 2018-06-19 | 2018-06-19 | A kind of heat safe composite material of plant fiber |
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| CN201810631600.6A CN108752642A (en) | 2018-06-19 | 2018-06-19 | A kind of heat safe composite material of plant fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645627A (en) * | 2020-12-18 | 2021-04-13 | 马鞍山市国林建材有限公司 | Preparation method of modified aluminate cement retarder for Z-shaped concrete hollow block production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645627A (en) * | 2020-12-18 | 2021-04-13 | 马鞍山市国林建材有限公司 | Preparation method of modified aluminate cement retarder for Z-shaped concrete hollow block production |
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Application publication date: 20181106 |