CN106317831A - Attapulgite modification based air blower shell of automotive air conditioner and preparation method of air blower shell - Google Patents
Attapulgite modification based air blower shell of automotive air conditioner and preparation method of air blower shell Download PDFInfo
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- CN106317831A CN106317831A CN201610860524.7A CN201610860524A CN106317831A CN 106317831 A CN106317831 A CN 106317831A CN 201610860524 A CN201610860524 A CN 201610860524A CN 106317831 A CN106317831 A CN 106317831A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/03—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
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Abstract
The invention discloses an attapulgite modification based air blower shell of an automotive air conditioner and a preparation method of the air blower shell. The preparation method comprises the steps: (1) carrying out ball-milling on starch, silica gel, cyclodextrin, dodecyl ethoxy sulfobetaine, graphene and ornithine, so as to prepare modified starch; (2) carrying out calcination on attapulgite, graphite, molybdenite and sodium tungstate in the presence of shielding gas, so as to prepare a modified composition; (3) carrying out mixing on PC, PP, PA, rosin, hydroxyethyl cellulose, barium sulfate whiskers, titanate, simethicone, diisodecyl phthalate, zinc oxide, the modified starch and the modified composition, and carrying out molding, thereby preparing the attapulgite modification based air blower shell of the automotive air conditioner. The attapulgite modification based air blower shell of the automotive air conditioner, prepared by the method, has excellent weather resistance and mechanical properties; meanwhile, the preparation method has the advantages that the steps are simple, and the raw materials are readily available.
Description
Technical field
The present invention relates to air conditioning for automobiles parts, in particular it relates to a kind of based on attapulgite modified air conditioning for automobiles drum
Crust of weathering body and preparation method thereof.
Background technology
Air conditioning for automobiles air blast housing is the important component part of blower for vehicle air conditioning, the master that blower for vehicle air conditioning plays
Play the effect of gas circulation if hot blast or cold wind being produced by boasting, and air conditioning for automobiles air blast housing plays is that protection automobile is empty
Adjust the effect of the parts of the inside of aerator, also function to be formed the effect in air channel simultaneously.
At present, air conditioning for automobiles air blast housing is typically made by macromolecular material.Owing to air conditioning for automobiles air blast housing is in work
Temperature during work with quit work after temperature there is the bigger temperature difference, under conditions of such big temperature difference, automobile is empty
Adjusting air blast housing the situation of deformation often occur and then have impact on the service behaviour of flabellum, its mechanical property also can be therewith simultaneously
Significantly reduce.
Summary of the invention
It is an object of the invention to provide a kind of based on attapulgite modified air conditioning for automobiles air blast housing and preparation method thereof,
Weatherability and the mechanical property based on attapulgite modified air conditioning for automobiles air blast housing with excellence prepared by the method,
This preparation method step is simple simultaneously, and raw material is easy to get.
To achieve these goals, the invention provides a kind of based on attapulgite modified air conditioning for automobiles air blast housing
Preparation method, including:
1) starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine are carried out ball milling
With prepared modified starch；
2) carry out attapulgite, graphite, molybdenite and sodium tungstate in the presence of protection gas calcining with prepared modified group
Compound；
3) by PC (Merlon), PP (polypropylene), PA (polyamide), Colophonium, hydroxyethyl cellulose, barium sulfate crystal whisker,
Titanate esters, dimethicone, diisooctyl phthalate, zinc oxide, modified starch and improved composition carry out mixing, molding
To prepare based on attapulgite modified air conditioning for automobiles air blast housing.
Present invention also offers a kind of based on attapulgite modified air conditioning for automobiles air blast housing, should be based on attapulgite land reform
The air conditioning for automobiles air blast housing of property is prepared by above-mentioned preparation method.
In technique scheme, the present invention provides the synergism between each step in preparation method and each raw material
Make weatherability and the mechanical property based on attapulgite modified air conditioning for automobiles air blast housing with excellence prepared, should simultaneously
Preparation method step is simple, and raw material is easy to get.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of preparation method based on attapulgite modified air conditioning for automobiles air blast housing, including:
1) starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine are carried out ball milling
With prepared modified starch；
2) carry out attapulgite, graphite, molybdenite and sodium tungstate in the presence of protection gas calcining with prepared modified group
Compound；
3) by PC (Merlon), PP (polypropylene), PA (polyamide), Colophonium, hydroxyethyl cellulose, barium sulfate crystal whisker,
Titanate esters, dimethicone, diisooctyl phthalate, zinc oxide, modified starch and improved composition carry out mixing, molding
To prepare based on attapulgite modified air conditioning for automobiles air blast housing.
Step 1 in the present invention) in, the actual conditions of ball milling can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step
Rapid 1), in, ball milling at least meets following condition: ball milling at least meets following condition: ball milling temperature is 110-130 DEG C, Ball-milling Time
For 12-16h.
Step 1 in the present invention) in, the consumption of each material can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step
1) in, relative to the starch of 100 weight portions, the consumption of silica gel is 22-30 weight portion, and the consumption of cyclodextrin is 34-51 weight portion,
The consumption of dodecyl ethyoxyl sulfobetaines is 14-22 weight portion, and the consumption of Graphene is 6-10 weight portion, ornithine
Consumption is 22-29 weight portion.
Step 2 in the present invention) in, the consumption of each material can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step
2) in, relative to the attapulgite of 100 weight portions, the consumption of graphite is 24-36 weight portion, and the consumption of molybdenite is 10-19 weight
Amount part, the consumption of sodium tungstate is 20-27 weight portion.
Step 2 in the present invention) in, the condition of calcining can select in wide scope, but in order to make the base prepared
In attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step 2)
In, calcining at least meets following condition: calcining heat is 550-640 DEG C, and calcination time is 3-5h.
Step 2 in the present invention) in, the kind of protection gas can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that protection gas
One or more in nitrogen, helium and argon.
In order to improve further prepared have based on attapulgite modified air conditioning for automobiles air blast housing more excellent resistance to
Time property and mechanical property, it is preferable that before being calcined, step 2) also include heating process: by raw material from 15-35 DEG C with 4-5 DEG C/
The ramp of min is to 350-420 DEG C and is incubated 1-2h, then and protects to 550-640 DEG C with the ramp of 0.6-1 DEG C/min
Temperature.
Step 3 in the present invention) in, the consumption of each material can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step
3) in, relative to the PC of 100 weight portions, the consumption of PP is 66-74 weight portion, and the consumption of PA is 22-34 weight portion, the use of Colophonium
Amount is 15-31 weight portion, and the consumption of hydroxyethyl cellulose is 5-7 weight portion, and the consumption of barium sulfate crystal whisker is 11-19 weight portion,
The consumption of titanate esters is 9-15 weight portion, and the consumption of dimethicone is 33-54 weight portion, the use of diisooctyl phthalate
Amount is 28-41 weight portion, and the consumption of zinc oxide is 20-29 weight portion, and the consumption of modified starch is 50-59 weight portion, modified group
The consumption of compound is 25-29 weight portion.
Step 3 in the present invention) in, mixing actual conditions can select in wide scope, but in order to make to prepare
Based on attapulgite modified air conditioning for automobiles air blast housing, there is more excellent weatherability and mechanical property, it is preferable that in step
Rapid 3) in, mixing following condition is at least met: melting temperature is 185-200 DEG C, and mixing time is 2-4h.
Step 3 in the present invention) in, the molecular weight of macromolecule raw material can select in wide scope, but in order to make
Prepare has more excellent weatherability and mechanical property based on attapulgite modified air conditioning for automobiles air blast housing, it is preferable that
In step 3) in, the weight average molecular weight of PC is the weight average molecular weight that weight average molecular weight is 6000-9000, PA of 2000-5000, PP
For 4000-8000.
Present invention also offers a kind of based on attapulgite modified air conditioning for automobiles air blast housing, should be based on attapulgite land reform
The air conditioning for automobiles air blast housing of property is prepared by above-mentioned preparation method.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) by starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine according to 100:
The weight ratio of 27:38:18:8:25 at 120 DEG C ball milling 14h with prepared modified starch.
2) attapulgite, graphite, molybdenite and sodium tungstate are mixed according to the weight ratio of 100:29:14:23；And at nitrogen
In the presence of gas, to 380 DEG C and it is incubated 1.5h with the ramp of 4.5 DEG C/min from 25 DEG C, then with the speed of 0.8 DEG C/min
It is warming up to 580 DEG C and is incubated 4h with prepared improved composition.
3) by PC (weight average molecular weight is 4000), PP (weight average molecular weight is 7000), PA (weight average molecular weight is 6000), pine
Perfume, hydroxyethyl cellulose, barium sulfate crystal whisker, titanate esters, dimethicone, diisooctyl phthalate, zinc oxide, modified shallow lake
Powder mixes according to the weight ratio of 100:69:28:17:6:15:10:44:31:24:54:27 with improved composition, and at 190 DEG C
Mixing 3h, molding are to prepare based on attapulgite modified air conditioning for automobiles air blast housing A1.
Embodiment 2
1) by starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine according to 100:
The weight ratio of 22:34:14:6:22 at 110 DEG C ball milling 12h with prepared modified starch.
2) attapulgite, graphite, molybdenite and sodium tungstate are mixed according to the weight ratio of 100:24:10:20；And at helium
In the presence of gas, to 350 DEG C and it is incubated 1h with the ramp of 4 DEG C/min from 15 DEG C, then with the ramp of 0.6 DEG C/min
To 550 DEG C and be incubated 3h with prepared improved composition.
3) by PC (weight average molecular weight is 2000), PP (weight average molecular weight is 6000), PA (weight average molecular weight is 4000), pine
Perfume, hydroxyethyl cellulose, barium sulfate crystal whisker, titanate esters, dimethicone, diisooctyl phthalate, zinc oxide, modified shallow lake
Powder mixes according to the weight ratio of 100:66:22:15:5:11:9:33:28:20:50:25 with improved composition, and at 185 DEG C
Mixing 2h, molding are to prepare based on attapulgite modified air conditioning for automobiles air blast housing A2.
Embodiment 3
1) by starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine according to 100:
The weight ratio of 30:51:22:10:29 at 130 DEG C ball milling 16h with prepared modified starch.
2) attapulgite, graphite, molybdenite and sodium tungstate are mixed according to the weight ratio of 100:36:19:27；And at argon
In the presence of gas, to 420 DEG C and it is incubated 2h with the ramp of 5 DEG C/min from 35 DEG C, then with the ramp of 1 DEG C/min extremely
640 DEG C and be incubated 5h with prepared improved composition.
3) by PC (weight average molecular weight is 5000), PP (weight average molecular weight is 9000), PA (weight average molecular weight is 8000), pine
Perfume, hydroxyethyl cellulose, barium sulfate crystal whisker, titanate esters, dimethicone, diisooctyl phthalate, zinc oxide, modified shallow lake
Powder mixes according to the weight ratio of 100:74:34:31:7:19:15:54:41:29:59:29 with improved composition, and at 200 DEG C
Mixing 4h, molding are to prepare based on attapulgite modified air conditioning for automobiles air blast housing A3.
Comparative example 1
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B1 according to the method for embodiment 1, different
Be, step 1) in do not use silica gel.
Comparative example 2
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B2 according to the method for embodiment 1, different
Be, step 1) in do not use cyclodextrin.
Comparative example 3
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B3 according to the method for embodiment 1, different
Be, step 1) in do not use Graphene.
Comparative example 4
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B4 according to the method for embodiment 1, different
Be, step 1) in do not use ornithine.
Comparative example 5
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B5 according to the method for embodiment 1, different
Be, step 1) in do not use dodecyl ethyoxyl sulfobetaines.
Comparative example 6
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B6 according to the method for embodiment 1, different
Be, step 2) in do not use graphite.
Comparative example 7
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B7 according to the method for embodiment 1, different
Be, step 2) in do not use molybdenite.
Comparative example 8
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B8 according to the method for embodiment 1, different
Be, step 2) in do not use sodium tungstate.
Comparative example 9
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B9 according to the method for embodiment 1, different
Be, step 3) in do not use modified starch.
Comparative example 10
Carry out preparing based on attapulgite modified air conditioning for automobiles air blast housing B10 according to the method for embodiment 1, different
Be, step 3) in do not use improved composition.
Detection example 1
1) bending strength (σ of above-mentioned air conditioning for automobiles air blast housing is detected1/ MPa) and comprcssive strength (σbc1/kg·cm-2)；
2) above-mentioned air conditioning for automobiles air blast housing is placed at-10 DEG C process 2h, is then placed at 170 DEG C process 2h, then
Detection bending strength (σ2/ MPa) and comprcssive strength (σbc2/kg·cm-2), result is as shown in table 1.
Table 1
| σ1/MPa | σ2/MPa | σbc1/kg·cm-2 | σbc2/kg·cm-2 | |
| A1 | 203 | 190 | 241 | 235 |
| A2 | 205 | 189 | 242 | 236 |
| A3 | 205 | 194 | 240 | 232 |
| B1 | 148 | 120 | 167 | 130 |
| B2 | 152 | 114 | 155 | 120 |
| B3 | 160 | 121 | 142 | 111 |
| B4 | 145 | 122 | 153 | 122 |
| B5 | 154 | 123 | 161 | 123 |
| B6 | 146 | 117 | 162 | 124 |
| B7 | 162 | 125 | 152 | 135 |
| B8 | 161 | 136 | 151 | 134 |
| B9 | 142 | 117 | 143 | 112 |
| B10 | 140 | 112 | 142 | 113 |
By above-described embodiment, comparative example and detection example, the present invention provide based on attapulgite modified automobile
Air-conditioning air blast housing has weatherability and the mechanical property of excellence.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a preparation method based on attapulgite modified air conditioning for automobiles air blast housing, it is characterised in that including:
1) starch, silica gel, cyclodextrin, dodecyl ethyoxyl sulfobetaines, Graphene and ornithine are carried out ball milling with system
Obtain modified starch；
2) carry out calcining with prepared improved composition in the presence of protection gas by attapulgite, graphite, molybdenite and sodium tungstate；
3) by PC (Merlon), PP (polypropylene), PA (polyamide), Colophonium, hydroxyethyl cellulose, barium sulfate crystal whisker, metatitanic acid
Ester, dimethicone, diisooctyl phthalate, zinc oxide, described modified starch and improved composition carry out mixing, molding
Described based on attapulgite modified air conditioning for automobiles air blast housing to prepare.
Preparation method the most according to claim 1, wherein, in step 1) in, described ball milling at least meets following condition: ball
Mill temperature is 110-130 DEG C, and Ball-milling Time is 12-16h.
Preparation method the most according to claim 1 and 2, wherein, in step 1) in, relative to the described shallow lake of 100 weight portions
Powder, the consumption of described silica gel is 22-30 weight portion, and the consumption of described cyclodextrin is 34-51 weight portion, described dodecyl ethoxy
The consumption of base sulfobetaines is 14-22 weight portion, and the consumption of described Graphene is 6-10 weight portion, the consumption of described ornithine
For 22-29 weight portion.
Preparation method the most according to claim 3, wherein, in step 2) in, relative to the described attapulgite of 100 weight portions
Soil, the consumption of described graphite is 24-36 weight portion, and the consumption of described molybdenite is 10-19 weight portion, the consumption of described sodium tungstate
For 20-27 weight portion.
Preparation method the most according to claim 4, wherein, in step 2) in, described calcining at least meets following condition: forge
Burning temperature and be 550-640 DEG C, calcination time is 3-5h；
Preferably, one or more in nitrogen, helium and argon of described protection gas.
Preparation method the most according to claim 4, wherein, before described calcining, step 2) also include heating process: will
Raw material to 350-420 DEG C and is incubated 1-2h with the ramp of 4-5 DEG C/min from 15-35 DEG C, then with the speed of 0.6-1 DEG C/min
Rate is warming up to 550-640 DEG C and is incubated.
7. according to the preparation method described in any one in claim 4-6, wherein, in step 3) in, relative to 100 weight portions
Described PC, the consumption of described PP is 66-74 weight portion, and the consumption of described PA is 22-34 weight portion, and the consumption of described Colophonium is
15-31 weight portion, the consumption of described hydroxyethyl cellulose is 5-7 weight portion, and the consumption of described barium sulfate crystal whisker is 11-19 weight
Part, the consumption of described titanate esters is 9-15 weight portion, and the consumption of described dimethicone is 33-54 weight portion, described adjacent benzene two
The consumption of formic acid two isodecyl ester is 28-41 weight portion, and the consumption of described zinc oxide is 20-29 weight portion, described modified starch
Consumption is 50-59 weight portion, and the consumption of described improved composition is 25-29 weight portion.
Preparation method the most according to claim 7, wherein, in step 3) in, described mixing at least meet following condition: mixed
Refining temperature is 185-200 DEG C, and mixing time is 2-4h.
Preparation method the most according to claim 7, wherein, in step 3) in, the weight average molecular weight of described PC is 2000-
5000, the weight average molecular weight of described PP is 6000-9000, and the weight average molecular weight of described PA is 4000-8000.
10. one kind based on attapulgite modified air conditioning for automobiles air blast housing, it is characterised in that described based on attapulgite modified
Air conditioning for automobiles air blast housing be prepared by the preparation method described in any one in claim 1-9.
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Cited By (2)
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| CN106810848A (en) * | 2017-01-12 | 2017-06-09 | 芜湖航天特种电缆厂股份有限公司 | Based on attapulgite modified nylon cable protective case and preparation method thereof |
| CN111081952A (en) * | 2019-11-18 | 2020-04-28 | 中南大学 | Temperature-sensitive diaphragm and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106810848A (en) * | 2017-01-12 | 2017-06-09 | 芜湖航天特种电缆厂股份有限公司 | Based on attapulgite modified nylon cable protective case and preparation method thereof |
| CN111081952A (en) * | 2019-11-18 | 2020-04-28 | 中南大学 | Temperature-sensitive diaphragm and preparation method and application thereof |
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