CN108503976A - Modified polyvinyl chloride material and preparation method thereof - Google Patents
Modified polyvinyl chloride material and preparation method thereof Download PDFInfo
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- CN108503976A CN108503976A CN201810283068.3A CN201810283068A CN108503976A CN 108503976 A CN108503976 A CN 108503976A CN 201810283068 A CN201810283068 A CN 201810283068A CN 108503976 A CN108503976 A CN 108503976A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- 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
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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
- 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
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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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
- 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
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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
- 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
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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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
Abstract
The present invention relates to a kind of preparation methods of modified polyvinyl chloride material, include the following steps：Titanium dioxide is mixed with carbon black and is warming up to 60~80 DEG C, titanate coupling agent is then added, dried after stirring 10~20min and grinds to obtain grain size to be 100nm weather-proof auxiliary agents below, the mass ratio of the titanium dioxide, carbon black and titanate coupling agent is 4~7:2~5:1；By extrusion molding after polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent mixing up to the modified polyvinyl chloride material.The present invention can make titanium dioxide, carbon black and titanate coupling agent preferably disperse combination with polyvinyl chloride by anticipating, and the collaboration uvioresistant effect of titanium dioxide and carbon black can be improved, carbonic ester coupling agent is more conducive to the combination of titanium dioxide, carbon black and polyvinyl chloride compared to other coupling agents simultaneously, to improve resistivity of the modified polyvinyl chloride material to ultraviolet light, it is not easily decomposed weather stain, mechanical performance variation is smaller, excellent weather resistance is obtained, particularly suitable for preparing all kinds of PVC pipe.
Description
Technical field
The present invention relates to Material Fields, more particularly to a kind of modified polyvinyl chloride material and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is the white powder of impalpable structure, and the degree of branching is smaller, industrial PVC molecular weight one
As in 50,000~120,000 ranges, no definite melting point, 80~85 DEG C start to soften, and 130 DEG C become viscoelastic state, and 160~180 DEG C are opened
Beginning is changed into viscous state, there is preferable mechanical performance, tensile strength 60MPa or so, 5~10kJ/m of impact strength2, have excellent
Dielectric properties and anti-flammability stablize organic and inorganic acid, alkali, salt.Therefore PVC is a kind of important architecture engineering material,
It is widely used in the fields such as building materials, light industry, agricultural, product is mainly used in the side such as tubing such as drainpipe, electric power threading tube
Face.
But general PVC material generates hydrogen chloride in outdoor application, by decomposition is easy after ultraviolet irradiation, and
Further autocatalysis is decomposed, and weather stain, physical mechanical property is caused also to decline rapidly, influences client's use.
Invention content
Based on this, it is necessary to provide a kind of non-aging discoloration, mechanical performance changes smaller modified polyvinyl chloride material
Preparation method.
A kind of preparation method of modified polyvinyl chloride material, includes the following steps：
Titanium dioxide is mixed with carbon black and is warming up to 60~80 DEG C, titanate coupling agent is then added, stirs 10~20min
It is dry afterwards and to grind to obtain grain size be 100nm weather-proof auxiliary agents below, the titanium dioxide, carbon black and titanate coupling agent quality
Than being 4~7:2~5:1；
By extrusion molding after polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent mixing up to the modified polyvinyl chloride material.
The mass ratio of the titanium dioxide, carbon black and titanate coupling agent is 6 in one of the embodiments,:3:1.
In one of the embodiments, according to the mass fraction, the polyvinyl chloride be 100 parts, the weather-proof auxiliary agent be 2~
10 parts, the auxiliary material is 14~41 parts.
In one of the embodiments, according to the mass fraction, the polyvinyl chloride be 100 parts, the weather-proof auxiliary agent be 5~
7 parts, the auxiliary material is 14~41 parts.
In one of the embodiments, it is described polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent mixing are specifically included it is following
Step：Polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent are mixed to get mixture, stirred under the conditions of 1200~1500r/min
Until the temperature of the mixture reaches 110~130 DEG C, then stirring is mixed up to described under conditions of 400~600r/min
The temperature for closing material is down to 40~50 DEG C.
In one of the embodiments, according to the mass fraction, the auxiliary material includes 3~6 parts of stabilizer, filler 10~30
1~5 part of part and lubricant.
The stabilizer is calcium zinc stabilizer in one of the embodiments,.
The filler is precipitated calcium carbonate or activated Calcium carbonate in one of the embodiments,.
The lubricant is in-lubricant and external lubricant in one of the embodiments,.
It is poly- that the present invention also provides a kind of modifications that the preparation method according to the modified polyvinyl chloride material is prepared
Vinyl chloride material.
The present invention mixes titanium dioxide, carbon black and titanate coupling agent according to special ratios, stir and dry under high temperature,
It is 100nm weather-proof auxiliary agents below that grinding, which obtains grain size, then by the weather-proof auxiliary agent and polyvinyl chloride, auxiliary materials and mixing and is squeezed out again
Molding obtains modified polyvinyl chloride material.In this way, titanium dioxide, carbon black and titanate coupling agent can be made preferably by anticipating
Disperse to combine with polyvinyl chloride, and the collaboration uvioresistant effect of titanium dioxide and carbon black can be improved, while carbonic ester coupling agent
Compared to the combination that other coupling agents are more conducive to titanium dioxide, carbon black and polyvinyl chloride, to improve modified polyvinyl chloride material
To the resistivity of ultraviolet light, it is not easily decomposed weather stain, mechanical performance variation is smaller, obtains excellent weather resistance, prolongs
Service life of the product under outdoor conditions is grown, particularly suitable for preparing all kinds of PVC pipe.
Specific implementation mode
To facilitate the understanding of the present invention, below will to invention is more fully described, and give the present invention compared with
Good embodiment.But the present invention can realize in many different forms, however it is not limited to embodiment described herein.Phase
Instead, purpose of providing these embodiments is makes the disclosure of the present invention more thorough and comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the Listed Items of pass.
The preparation method of the modified polyvinyl chloride material of an embodiment of the present invention, includes the following steps S1~S2：
S1, titanium dioxide is mixed with carbon black and is warming up to 60~80 DEG C, be then added titanate coupling agent, stirring 10~
It is 100nm weather-proof auxiliary agents below to be dried after 20min and grind to obtain grain size, titanium dioxide, carbon black and titanate coupling agent matter
Amount is than being 4~7:2~5:1.
In one embodiment, the mass ratio of titanium dioxide, carbon black and titanate coupling agent is 6:3:1, the ratio is with respect to it
Its ratio can obtain better performance, and carbon black and titanium dioxide have synergistic effect, but excessive carbon black should not be added, and are otherwise easy
The mechanical property of modified polyvinyl chloride material is caused to reduce.
S2, by extrusion molding after polyvinyl chloride, auxiliary material and weather-proof auxiliary agent mixing up to modified polyvinyl chloride material.
Specifically, polyvinyl chloride, auxiliary material and weather-proof auxiliary agent mixing are specifically included into following steps：By polyvinyl chloride, auxiliary material
Be mixed to get mixture with weather-proof auxiliary agent, stirring under the conditions of 1200~1500r/min until the temperature of mixture reach 110~
It 130 DEG C, is then stirred under conditions of 400~600r/min until the temperature of mixture is down to 40~50 DEG C.In blending process
In, for material by high-speed friction heat in high-speed mixing equipment, the control of temperature is particularly significant.
In one embodiment, according to the mass fraction, polyvinyl chloride is 100 parts, and weather-proof auxiliary agent is 2~10 parts, and auxiliary material is
14~41 parts.
In one embodiment, according to the mass fraction, polyvinyl chloride is 100 parts, and weather-proof auxiliary agent is 5~7 parts, auxiliary material 14
~41 parts.As the additive amount of weather-proof auxiliary agent gradually increases, the chromatic aberration of modified polyvinyl chloride material will be gradually reduced, simultaneously
Tensile yield strength is gradually reduced, i.e. product weatherability is gradually increased, but addition can excessively influence product tensile yield strength, because
This proportional region is more preferable.
In one embodiment, according to the mass fraction, auxiliary material includes 3~6 parts of stabilizer, 10~30 parts of filler and lubrication
1~5 part of agent.
Optionally, the average degree of polymerization of polyvinyl chloride is 800~1200.Optionally, stabilizer is calcium zinc stabilizer, filling
Object is precipitated calcium carbonate or activated Calcium carbonate, and lubricant is in-lubricant and external lubricant, it will be understood that it is without being limited thereto, it can root
According to needing to select.
It is poly- that the present invention also provides a kind of modifications that the preparation method according to above-mentioned modified polyvinyl chloride material is prepared
Vinyl chloride material.
The present invention mixes titanium dioxide, carbon black and titanate coupling agent according to special ratios, stir and dry under high temperature,
It is 100nm weather-proof auxiliary agents below that grinding, which obtains grain size, then by the weather-proof auxiliary agent and polyvinyl chloride, auxiliary materials and mixing and is squeezed out again
Molding obtains modified polyvinyl chloride material.In this way, titanium dioxide, carbon black and titanate coupling agent can be made preferably by anticipating
Disperse to combine with polyvinyl chloride, and the collaboration uvioresistant effect of titanium dioxide and carbon black can be improved, while carbonic ester coupling agent
Compared to the combination that other coupling agents are more conducive to titanium dioxide, carbon black and polyvinyl chloride, to improve modified polyvinyl chloride material
To the resistivity of ultraviolet light, it is not easily decomposed weather stain, mechanical performance variation is smaller, obtains excellent weather resistance, prolongs
Service life of the product under outdoor conditions is grown, particularly suitable for preparing all kinds of PVC pipe.
It is specific embodiment below.
Embodiment 1
6kg titanium dioxides and 3kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg titaniums
Then acid esters coupling agent stirs 10~20min, it is that 100nm is below to take out and be put into the obtained grain size of grinding in grinder after drying
Weather-proof auxiliary agent.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Embodiment 2
6kg titanium dioxides and 3kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg titaniums
Then acid esters coupling agent stirs 10~20min, it is that 100nm is below to take out and be put into the obtained grain size of grinding in grinder after drying
Weather-proof auxiliary agent.
By the weather-proof auxiliary agents of 6kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Embodiment 3
6kg titanium dioxides and 3kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg titaniums
Then acid esters coupling agent stirs 10~20min, it is that 100nm is below to take out and be put into the obtained grain size of grinding in grinder after drying
Weather-proof auxiliary agent.
By the weather-proof auxiliary agents of 10kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, so
4kg calcium zinc stabilizers, 15kg precipitated calcium carbonates, 2kg in-lubricants and external lubricant are added afterwards and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Embodiment 4
4kg titanium dioxides and 5kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg titaniums
Then acid esters coupling agent stirs 10~20min, it is that 100nm is below to take out and be put into the obtained grain size of grinding in grinder after drying
Weather-proof auxiliary agent.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Comparative example 1
8kg titanium dioxides and 1kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg titaniums
Then acid esters coupling agent stirs 10~20min, it is that 100nm is below to take out and be put into the obtained grain size of grinding in grinder after drying
Weather-proof auxiliary agent.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Comparative example 2
By 100kg PVC, 4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant, 6kg titaniums
White powder (grain size is 100nm or less), 3kg carbon blacks (grain size is 100nm or less) and 1kg titanate coupling agents are put into high-speed mixer
In obtain mixture, stirring under the conditions of 1200~1500r/min, then will mixing until the temperature of mixture reaches 120 DEG C
Material is put into cold mixing device stirring under conditions of 500r/min until the temperature of mixture is down to 40~50 DEG C, then passes through extrusion
Machine extrusion molding is up to modified polyvinyl chloride material tubing.
Comparative example 3
6kg titanium dioxides and 3kg carbon blacks are added into high-speed mixing equipment, stir and is gradually heating to 70 DEG C, addition 1kg silicon
Then alkane coupling agent stirs 10~20min, it is that 100nm is below resistance to take out and be put into the obtained grain size of grinding in grinder after drying
Wait auxiliary agent.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Comparative example 4
9kg titanium dioxides are added into high-speed mixing equipment, are gradually heating to 70 DEG C, 1kg titanate coupling agents are added, then
10~20min is stirred, it is 100nm weather-proof auxiliary agents below to take out and be put into the obtained grain size of grinding in grinder after drying.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
Comparative example 5
9kg carbon blacks are added into high-speed mixing equipment, are gradually heating to 70 DEG C, 1kg titanate coupling agents are added, then stir
10~20min is mixed, it is 100nm weather-proof auxiliary agents below to take out and be put into the obtained grain size of grinding in grinder after drying.
By the weather-proof auxiliary agents of 2kg and 100kg PVC, low speed (100r/min or less) stirs 5min in high-speed mixer, then
4kg calcium zinc stabilizers, 15kg activated Calcium carbonates, 2kg in-lubricants and external lubricant is added and obtains mixture, 1200~
Then mixture is put into cold mixing device until the temperature of mixture reaches 120 DEG C by stirring under the conditions of 1500r/min
Stirring under conditions of 500r/min is until the temperature of mixture is down to 40~50 DEG C, then is modified by extruder for shaping to obtain the final product
Pvc material tubing.
It is small that the dn110 drainpipes that Example 1~4 and comparative example 1~5 are prepared respectively carry out ultraviolet light and aging 1000
When test, compare tubing chromatic aberration situation and tensile yield strength situation, it is as a result as shown in Table 1 and Table 2 respectively.
From the point of view of chromatic aberration situation, Examples 1 to 4 is respectively less than comparative example 1~4, wherein embodiment 3 in variation tendency
Better than embodiment 2, embodiment 2 is better than embodiment 1, and embodiment 1 is better than embodiment 4, comparative example 5 because product is in black,
Chromatic aberration is small.From the point of view of tensile yield strength situation, each embodiment relative contrast in terms of tensile yield strength downward trend
Example smaller, the wherein tensile property of embodiment 1 are better than embodiment 2~4.According to Examples 1 to 4 it is found that the addition of weather-proof auxiliary agent
When gradually increasing, chromatic aberration is gradually reduced amount, and product weatherability is gradually increased, but product tensile yield strength when being added excessive
It is gradually reduced.According to embodiment 1, comparative example 4 and comparative example 5 it is found that when adding titanium dioxide and carbon black simultaneously, product tensile yield
Strength Changes are superior to individually add titanium dioxide or carbon black (gross mass is identical), illustrate titanium dioxide and carbon black while being added have association
Same effect.According to embodiment 3 and comparative example 2 it is found that by being made after anticipating titanium dioxide, carbon black and titanate coupling agent
Weather-proof auxiliary agent is used further to production, and in the case of identical additive amount, product is in terms of tensile yield strength variation and chromatic aberration
It has a clear superiority, illustrates that the processing technique can bring apparent advantageous effect.
Table 1
Table 2
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of modified polyvinyl chloride material, which is characterized in that include the following steps：
Titanium dioxide is mixed with carbon black and is warming up to 60~80 DEG C, titanate coupling agent is then added, is done after stirring 10~20min
It is 100nm weather-proof auxiliary agents below that dry and grinding, which obtains grain size, and the mass ratio of the titanium dioxide, carbon black and titanate coupling agent is
4~7:2~5:1；
By extrusion molding after polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent mixing up to the modified polyvinyl chloride material.
2. the preparation method of modified polyvinyl chloride material according to claim 1, which is characterized in that the titanium dioxide, charcoal
Black and titanate coupling agent mass ratio is 6:3:1.
3. the preparation method of modified polyvinyl chloride material according to claim 1, which is characterized in that according to the mass fraction,
The polyvinyl chloride is 100 parts, and the weather-proof auxiliary agent is 2~10 parts, and the auxiliary material is 14~41 parts.
4. the preparation method of modified polyvinyl chloride material according to claim 3, which is characterized in that according to the mass fraction,
The polyvinyl chloride is 100 parts, and the weather-proof auxiliary agent is 5~7 parts, and the auxiliary material is 14~41 parts.
5. the preparation method of modified polyvinyl chloride material according to claim 1, which is characterized in that described by polychlorostyrene second
Alkene, auxiliary material and the weather-proof auxiliary agent mixing specifically include following steps：Polyvinyl chloride, auxiliary material and the weather-proof auxiliary agent are mixed
To mixture, then stirring under the conditions of 1200~1500r/min exists until the temperature of the mixture reaches 110~130 DEG C
Stirring under conditions of 400~600r/min is until the temperature of the mixture is down to 40~50 DEG C.
6. according to the preparation method of Claims 1 to 5 any one of them modified polyvinyl chloride material, which is characterized in that press matter
Number meter is measured, the auxiliary material includes 1~5 part of 3~6 parts of stabilizer, 10~30 parts of filler and lubricant.
7. the preparation method of modified polyvinyl chloride material according to claim 6, which is characterized in that the stabilizer is calcium
Zinc stabilizer.
8. the preparation method of modified polyvinyl chloride material according to claim 6, which is characterized in that the filler is light
Matter calcium carbonate or activated Calcium carbonate.
9. the preparation method of modified polyvinyl chloride material according to claim 6, which is characterized in that the lubricant is interior
Lubricant and external lubricant.
10. what a kind of preparation method according to claim 1~9 any one of them modified polyvinyl chloride material was prepared changes
Property pvc material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603979A (en) * | 2021-06-25 | 2021-11-05 | 杭州联通管业有限公司 | Weather-resistant polyvinyl chloride pipe and preparation method thereof |
| CN113969030A (en) * | 2021-12-07 | 2022-01-25 | 广东红波新材料集团有限公司 | Method for manufacturing photovoltaic matched PVC tile by using weather-resistant reinforced modified filler |
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| CN102838964A (en) * | 2012-08-29 | 2012-12-26 | 浙江大学 | High-weather-fastness polysulfide sealant |
| KR20150032369A (en) * | 2013-09-16 | 2015-03-26 | 한국조폐공사 | Infrared absorptive intaglio inks |
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| CN113603979A (en) * | 2021-06-25 | 2021-11-05 | 杭州联通管业有限公司 | Weather-resistant polyvinyl chloride pipe and preparation method thereof |
| CN113969030A (en) * | 2021-12-07 | 2022-01-25 | 广东红波新材料集团有限公司 | Method for manufacturing photovoltaic matched PVC tile by using weather-resistant reinforced modified filler |
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