CN107964154A - Good automotive interior material of a kind of acoustically effective and preparation method thereof - Google Patents
Good automotive interior material of a kind of acoustically effective and preparation method thereof Download PDFInfo
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- CN107964154A CN107964154A CN201711293956.5A CN201711293956A CN107964154A CN 107964154 A CN107964154 A CN 107964154A CN 201711293956 A CN201711293956 A CN 201711293956A CN 107964154 A CN107964154 A CN 107964154A
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 45
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000005011 phenolic resin Substances 0.000 claims abstract description 25
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 25
- 239000010902 straw Substances 0.000 claims abstract description 19
- 239000011256 inorganic filler Substances 0.000 claims abstract description 16
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 16
- 235000015099 wheat brans Nutrition 0.000 claims abstract description 15
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 14
- 229940070527 tourmaline Drugs 0.000 claims abstract description 14
- 239000011032 tourmaline Substances 0.000 claims abstract description 14
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000004611 light stabiliser Substances 0.000 claims abstract description 13
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 241000209140 Triticum Species 0.000 claims abstract description 6
- 235000021307 Triticum Nutrition 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000000706 filtrate Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 239000005321 cobalt glass Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001694 spray drying Methods 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 241000205585 Aquilegia canadensis Species 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 5
- -1 25-40 parts of stalk Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 240000000111 Saccharum officinarum Species 0.000 claims description 4
- 235000007201 Saccharum officinarum Nutrition 0.000 claims description 4
- 240000008042 Zea mays Species 0.000 claims description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 239000000908 ammonium hydroxide Substances 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 235000009973 maize Nutrition 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 240000006394 Sorghum bicolor Species 0.000 claims description 2
- 235000015505 Sorghum bicolor subsp. bicolor Nutrition 0.000 claims description 2
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009275 open burning Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 241000628997 Flos Species 0.000 description 5
- 244000068988 Glycine max Species 0.000 description 3
- 235000010469 Glycine max Nutrition 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses good automotive interior material of a kind of acoustically effective and preparation method thereof, include the raw material of following parts by weight：15 28 parts of 10 16 parts of wheat bran, 8 12 parts of tourmaline powder, 24 parts of nano silicon dioxide, 34 45 parts of low density polyethylene (LDPE), 25 40 parts of stalk, 6 10 parts of crosslinking agent, 10 22 parts of inorganic filler, 25 parts of light stabilizer, 14 parts of fire retardant, 4 10 parts of folium isatidis and phenolic resin.Raw material sources of the present invention are extensive, and stalk, wheat bran the like waste are recycled, and reduce open burning wheat straw and endangered caused by environment, are interacted between various raw materials, the finished product of preparation has good sound-absorbing effect.
Description
Technical field
The present invention relates to automotive trim field, is specifically a kind of good automotive interior material of acoustically effective.
Background technology
As economic fast development and people's quality of life improve, more and more families have private car, a family
Other has that the situation of multi-section vehicle is very common, and automobile has become a kind of daily vehicles of people.Automobile is by power
Driving, has the vehicle of the non-track carrying of 4 or more than 4 wheels, is mainly used for carrying personnel and cargo, draws carrying people
Member and the vehicle of cargo.
Automobile is brought conveniently for our life, and people are for the good-looking of automobile and the use demand of oneself, Ren Mendou
It can be decorated to automotive interior, be exactly automotive trim.Automotive trim is primarily referred to as the used automobile production of automotive interior repacking
Product, are related to the every aspect of automotive interior, such as automobile steering wheel cover, automobile cushion, automatic foot-mat, automobile door plate, inside
Goods of furniture for display rather than for use, containing box etc. are all automotive trim products, and although existing automotive trim meets the use demand of people, but interior
The sound-absorbing effect of exterior material is poor, it is impossible to meets the sound isolation requirement of people, this just brings inconvenience for the use of people.
The content of the invention
It is an object of the invention to provide a kind of good automotive interior material of acoustically effective, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of good automotive interior material of acoustically effective, includes the raw material of following parts by weight：10-16 parts of wheat bran, tourmaline
It is 8-12 parts of powder, 2-4 parts of nano silicon dioxide, 34-45 parts of low density polyethylene (LDPE), 25-40 parts of stalk, 6-10 parts of crosslinking agent, inorganic
15-28 parts of 10-22 parts of filler, 2-5 parts of light stabilizer, 1-4 parts of fire retardant, 4-10 parts of folium isatidis and phenolic resin.
As the further scheme of the present invention：Inorganic filler includes talcum powder, titanium dioxide, precipitated calcium carbonate, kaolin
With at least two in bentonite, stalk is used in maize straw, soybean stalk, broomcorn straw, wheat stalk and sugarcane stalk
One or several kinds of mixtures.
As further scheme of the invention：The automotive interior material further includes 1-2 parts of diphenyl ether and honeysuckle 8-15
Part.
The preparation method of the good automotive interior material of the acoustically effective, comprises the following steps that：
Step 1, when 8-10 is small in water by stalk immersion, is then discharged out moisture and uses mass fraction as 1-2%'s
Ammonium hydroxide sprays stalk 30-50 minutes, and the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 5-8 times of its weight and is decocted 30-45 minutes under 70-85 degrees Celsius,
Then filtered, obtain filtrate and filter residue, filter residue is crushed to flow back in 60-70 degrees Celsius of ethanol after 40-60 mesh carried
Take, obtain extracting solution, filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 40-45 degrees Celsius, the low-density after drying is gathered
Ethene and phenolic resin are both heated to molten condition, spare；
Step 4, by wheat bran, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer, fire retardant,
Modified straw, smalt leaf extract, the low density polyethylene (LDPE) of molten condition and molten condition phenolic resin under nitrogen protection
It is uniformly mixed, obtains mixture；
Step 5, carries out spray drying granulation, you can obtain finished product by mixture.
As the further scheme of the present invention：The inlet air temperature of spray drying is 170-185 degrees Celsius, and leaving air temp is
60-75 degrees Celsius.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention are extensive, and stalk, wheat bran etc. is useless
Gurry is recycled, and is reduced open burning wheat straw and is endangered caused by environment, interacted between various raw materials, is prepared
Finished product there is good sound-absorbing effect.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of good automotive interior material of acoustically effective, includes the raw material of following parts by weight：10 parts of wheat bran, tourmaline powder 8
Part, 2 parts of nano silicon dioxide, 34 parts of low density polyethylene (LDPE), 25 parts of stalk, 6 parts of crosslinking agent, 10 parts of inorganic filler, light stabilizer 2
15 parts of part, 1 part of fire retardant, 4 parts of folium isatidis and phenolic resin.Inorganic filler includes talcum powder, titanium dioxide and precipitated calcium carbonate
Mixture, stalk uses maize straw.
The preparation method of the good automotive interior material of the acoustically effective, comprises the following steps that：
Step 1, by stalk immersion in water 8 it is small when, be then discharged out moisture and use mass fraction for 1.4% ammonia
Water sprays stalk 36 minutes, and the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 6 times of its weight and is decocted 36 minutes under 72 degrees Celsius, is then carried out
Filtering, obtains filtrate and filter residue, filter residue is crushed to after 50 mesh the refluxing extraction in 66 degrees Celsius of ethanol, obtains extracting solution,
Filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 42 degrees Celsius, by the low density polyethylene after drying
Alkene and phenolic resin are both heated to molten condition, spare；
Step 4, by wheat bran, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer, fire retardant,
Modified straw, smalt leaf extract, the low density polyethylene (LDPE) of molten condition and molten condition phenolic resin under nitrogen protection
It is uniformly mixed, obtains mixture；
Step 5, carries out spray drying granulation, you can obtain finished product by mixture.
Embodiment 2
A kind of good automotive interior material of acoustically effective, includes the raw material of following parts by weight：1.5 parts of diphenyl ether, honeysuckle
11 parts, 13 parts of wheat bran, 10 parts of tourmaline powder, 3 parts of nano silicon dioxide, 38 parts of low density polyethylene (LDPE), 31 parts of stalk, crosslinking agent
19 parts of 7.5 parts, 16 parts of inorganic filler, 3 parts of light stabilizer, 2.5 parts of fire retardant, 8 parts of folium isatidis and phenolic resin.
The preparation method of the good automotive interior material of the acoustically effective, comprises the following steps that：
Step 1, by stalk immersion in water 10 it is small when, be then discharged out moisture and use mass fraction for 1.8% ammonia
Water sprays stalk 45 minutes, and the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 7 times of its weight and is decocted 36 minutes under 76 degrees Celsius, is then carried out
Filtering, obtains filtrate and filter residue, filter residue is crushed to after 50 mesh the refluxing extraction in 64 degrees Celsius of ethanol, obtains extracting solution,
Filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 43 degrees Celsius, by the low density polyethylene after drying
Alkene and phenolic resin are both heated to molten condition, spare；
Step 4, mixes after honeysuckle is cleaned, crush and dries with water, and the first filtrate is obtained by filtration；By the first filtrate
The second filtrate is obtained with ethanol hybrid filtering, the second filtrate is concentrated to give Flos Lonicerae extractive solution；
Step 5, by wheat bran, diphenyl ether, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer,
Fire retardant, modified straw, smalt leaf extract, Flos Lonicerae extractive solution, the low density polyethylene (LDPE) of molten condition and molten condition
Phenolic resin is uniformly mixed under nitrogen protection, obtains mixture；
Step 6, carries out spray drying granulation, you can obtain finished product by mixture.
Embodiment 3
A kind of good automotive interior material of acoustically effective, includes the raw material of following parts by weight：10-16 parts of wheat bran, tourmaline
It is 8-12 parts of powder, 2-4 parts of nano silicon dioxide, 34-45 parts of low density polyethylene (LDPE), 25-40 parts of stalk, 6-10 parts of crosslinking agent, inorganic
15-28 parts of 10-22 parts of filler, 2-5 parts of light stabilizer, 1-4 parts of fire retardant, 4-10 parts of folium isatidis and phenolic resin.Inorganic filler
Including talcum powder, precipitated calcium carbonate, kaolin and bentonitic mixture, stalk uses soybean stalk, wheat stalk and sugarcane
The mixture of stalk.
The preparation method of the good automotive interior material of the acoustically effective, comprises the following steps that：
Step 1, by stalk immersion in water 8 it is small when, be then discharged out moisture and use mass fraction for 1.8% ammonia
Water sprays stalk 46 minutes, and the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 6 times of its weight and is decocted 40 minutes under 79 degrees Celsius, is then carried out
Filtering, obtains filtrate and filter residue, filter residue is crushed to after 40 mesh the refluxing extraction in 66 degrees Celsius of ethanol, obtains extracting solution,
Filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 42 degrees Celsius, by the low density polyethylene after drying
Alkene and phenolic resin are both heated to molten condition, spare；
Step 4, by wheat bran, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer, fire retardant,
Modified straw, smalt leaf extract, the low density polyethylene (LDPE) of molten condition and molten condition phenolic resin under nitrogen protection
It is uniformly mixed, obtains mixture；
Step 5, carries out spray drying granulation, the inlet air temperature of spray drying is 15 degrees Celsius, leaving air temp by mixture
For 68 degrees Celsius, you can obtain finished product.
Embodiment 4
A kind of good automotive interior material of acoustically effective, includes the raw material of following parts by weight：2 parts of diphenyl ether, honeysuckle 15
Part, 16 parts of wheat bran, 12 parts of tourmaline powder, 4 parts of nano silicon dioxide, 45 parts of low density polyethylene (LDPE), 40 parts of stalk, crosslinking agent 10
28 parts of part, 22 parts of inorganic filler, 5 parts of light stabilizer, 4 parts of fire retardant, 10 parts of folium isatidis and phenolic resin.Inorganic filler includes sliding
Mountain flour, titanium dioxide, precipitated calcium carbonate, kaolin and bentonitic mixture, stalk is using maize straw, soybean stalk, height
The mixture of fine strain of millet stalk, wheat stalk and sugarcane stalk.
The preparation method of the good automotive interior material of the acoustically effective, comprises the following steps that：
Step 1, when 8-10 is small in water by stalk immersion, is then discharged out moisture and uses mass fraction as 1-2%'s
Ammonium hydroxide sprays stalk 30-50 minutes, and the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 5-8 times of its weight and is decocted 30-45 minutes under 70-85 degrees Celsius,
Then filtered, obtain filtrate and filter residue, filter residue is crushed to flow back in 60-70 degrees Celsius of ethanol after 40-60 mesh carried
Take, obtain extracting solution, filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 40-45 degrees Celsius, the low-density after drying is gathered
Ethene and phenolic resin are both heated to molten condition, spare；
Step 4, mixes after honeysuckle is cleaned, crush and dries with water, and the first filtrate is obtained by filtration；By the first filtrate
The second filtrate is obtained with ethanol hybrid filtering, the second filtrate is concentrated to give Flos Lonicerae extractive solution；
Step 5, by wheat bran, diphenyl ether, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer,
Fire retardant, modified straw, smalt leaf extract, Flos Lonicerae extractive solution, the low density polyethylene (LDPE) of molten condition and molten condition
Phenolic resin is uniformly mixed under nitrogen protection, obtains mixture；
Step 6, carries out spray drying granulation, you can obtain finished product by mixture.
Comparative example 1
Except folium isatidis is not contained, remaining component and preparation method are same as Example 1.
The product and existing product of product, comparative example 1 to embodiment 1-4 carry out sound-absorbing test, and test result is shown in Table 1.
Table 1
Product and existing production of the product of embodiment 1-4 on sound-absorbing effect better than comparative example 1 as can be seen from Table 1
Product, meet the use demand of people.Stalk spray ammonium hydroxide can remove the colloid on stalk surface, keep having while rigidity
Hollow structure, coordinates the components such as smalt leaf extract, the low density polyethylene (LDPE) for melting state, phase interaction occurs between each material
With possessing good sound-absorbing effect.Tourmaline can discharge negative aeroion and far infrared, can be with the sky inside cleaning vehicle
Gas, diphenyl ether are one kind of fungicide, and honeysuckle has bactericidal effect, and diphenyl ether and Flos Lonicerae extractive solution are used cooperatively and can carry
Rise the bactericidal effect of product.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. the good automotive interior material of a kind of acoustically effective, it is characterised in that include the raw material of following parts by weight：Wheat bran 10-16
Part, 8-12 parts of tourmaline powder, 2-4 parts of nano silicon dioxide, 34-45 parts of low density polyethylene (LDPE), 25-40 parts of stalk, crosslinking agent 6-
15-28 parts of 10 parts, 10-22 parts of inorganic filler, 2-5 parts of light stabilizer, 1-4 parts of fire retardant, 4-10 parts of folium isatidis and phenolic resin.
2. the good automotive interior material of acoustically effective according to claim 1, it is characterised in that the inorganic filler includes
At least two in talcum powder, titanium dioxide, precipitated calcium carbonate, kaolin and bentonite, stalk is using maize straw, big beanstalk
One or several kinds of mixtures in stalk, broomcorn straw, wheat stalk and sugarcane stalk.
3. the good automotive interior material of acoustically effective according to claim 1, it is characterised in that the automotive interior material is also
Including 8-15 parts of 1-2 parts of diphenyl ether and honeysuckle.
4. a kind of preparation method of the good automotive interior material of acoustically effective as described in claim 1-3 is any, its feature exist
In comprising the following steps that：
Step 1, when 8-10 is small in water by stalk immersion, is then discharged out moisture and uses ammonium hydroxide of the mass fraction for 1-2%
Stalk is sprayed 30-50 minutes, the stalk after spray is washed with water to neutrality and dries water, obtains modified straw；
Step 2, folium isatidis is put into the water of 5-8 times of its weight and decocts 30-45 minutes under 70-85 degrees Celsius, then
Filtered, obtain filtrate and filter residue, filter residue is crushed to after 40-60 mesh the refluxing extraction in 60-70 degrees Celsius of ethanol, is obtained
To extracting solution, filtrate and extracting solution ultrasonic wave are uniformly mixed, obtain smalt leaf extract；
Step 3, low density polyethylene (LDPE) and phenolic resin are dried under 40-45 degrees Celsius, by the low density polyethylene (LDPE) after drying
Molten condition is both heated to phenolic resin, it is spare；
Step 4, by wheat bran, tourmaline powder, nano silicon dioxide, crosslinking agent, inorganic filler, light stabilizer, fire retardant, modification
Stalk, smalt leaf extract, the phenolic resin of the low density polyethylene (LDPE) of molten condition and molten condition mix under nitrogen protection
Uniformly, mixture is obtained；
Step 5, carries out spray drying granulation, you can obtain finished product by mixture.
5. the preparation method of the good automotive interior material of acoustically effective according to claim 4, it is characterised in that the spray
The inlet air temperature of mist drying is 170-185 degrees Celsius, and leaving air temp is 60-75 degrees Celsius.
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