CN106432998A - Dolomite-based compound heat stabilizer and preparation method thereof - Google Patents
Dolomite-based compound heat stabilizer and preparation method thereof Download PDFInfo
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- CN106432998A CN106432998A CN201611129834.8A CN201611129834A CN106432998A CN 106432998 A CN106432998 A CN 106432998A CN 201611129834 A CN201611129834 A CN 201611129834A CN 106432998 A CN106432998 A CN 106432998A
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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
- C08K13/02—Organic and inorganic ingredients
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
-
- 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
- C08K2003/267—Magnesium carbonate
-
- 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
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- 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 a dolomite-based compound heat stabilizer and a preparation method thereof. The compound heat stabilizer is prepared from raw materials in parts by mass as follows: 15-20 parts of dolomite, 7-11 parts of linseed oil calcium fatty acid, 26-32 parts of sodium polyacrylate and 4-7 parts of behenamide. The dolomite is crushed and mixed with sodium polyacrylate, a premix is obtained, water is added for even mixing, the premix is heated for ultrasonic treatment, and a mixture I is obtained; behenamide is added, the mixture is continuously heated for ultrasonic treatment, and a mixture II is obtained; cooling is performed, linseed oil calcium fatty acid is added, low-temperature heating and insulating stirring treatment is performed, and a mixture III is obtained; the compound heat stabilizer is prepared after drying, grinding and sieving. Dolomite is used as a main stabilizer and compounded with sodium polyacrylate and behenamide to jointly realize the good heat stabilization effect and weather-resistant effect, the compound heat stabilizer is free of any heavy metals, non-toxic, environment-friendly and capable of being widely applied to food, health care and toy products with higher safety requirements.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of dolomite based composite heat stabilizer and its preparation side
Method.
Background technology
Heat stabilizer is one of important class in plastic processing additives, and heat stabilizer is same with the birth of polyvinyl chloride resin and development
Step, is mainly used in polyvinyl chloride resin processing, therefore in heat stabilizer and polyvinyl chloride resin, PVC, the ratio of soft or hard product has substantial connection.
The characteristic of heat stabilizer includes heat stability, light stability, lubricity, transparency etc..But present performance ratio
More single it is impossible to enough performances improving polyvinyl chloride resin well, need further improvement.
DOLOMITE CRYSTALS belongs to the carbonate mineral of trigonal system, and chemical composition is CaMg (CO3)2, it is divided into ankerite and manganese
Dolomite.Its crystal structure, as calcite, is in often rhombohedron, and crystal face often bends to saddle, and multiple twin is common.Dolomite
To the cold can slowly blebbing during dilute hydrochloric acid.Some dolomites irradiate in cathode ray and issue Exocarpium Citri Rubrum coloured light.Dolomite is composition white clouds
Rock and the main mineral constituent of dolomitic limestone.Dolomite can be used for building materials, pottery, glass and refractory material, chemical industry and agriculture
The fields such as industry, environmental protection, energy-conservation.It is mainly used as the flux of basic refractory and blast furnace ironmaking；Produce calcium magnesium phosphate and produce sulfur
Sour magnesium；And produce glass and the dispensing of pottery.
At present, dolomite is applied to the manufacturing technology of heat stabilizer, yet there are no relevant report.
Content of the invention
It is an object of the invention to provide the white clouds ground mass compound thermal of a kind of thermostable effect having had and weather-proof effect
Stabilizer and preparation method thereof.
For achieving the above object, the present invention provides following technical scheme：
A kind of dolomite based composite heat stabilizer, according to mass fraction meter, is made up of following raw material：Dolomite 15-20 part,
Linseed oil fatty acid calcium 7-11 part, sodium polyacrylate 26-32 part, behenamide 4-7 part.
As the further scheme of the present invention：According to mass fraction meter, it is made up of following raw material：Dolomite 16-19 part, Asia
Oleum Sesami fatty acid calcium 8-10 part, sodium polyacrylate 28-30 part, behenamide 5-6 part.
As the further scheme of the present invention：According to mass fraction meter, it is made up of following raw material：17 parts of dolomite, Caulis et Folium Lini
9 parts of fatty acid oil calcium, 29 parts of sodium polyacrylate, 5 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, comprises the following steps：
(1) first dolomite dusts are broken to after 180-200 mesh, are mixed to get pre-composition with sodium polyacrylate；
(2) this pre-composition is added in the water of 4-5 times amount of its quality, stirs, be then heated to 65-68 DEG C,
Under this temperature conditions, using power be 350-380W, frequency be 28-30kHz ultrasonic Treatment 1-2h, obtain mixture
One；
(3) and then by behenamide it is added in mixture one, continue to be heated to 72-74 DEG C, under this temperature conditions,
Using power be 300-320W, frequency be 34-35kHz ultrasonic Treatment 0.5-1h, obtain mixture two；
(4) thing two to be mixed is cooled to less than 50 DEG C, linseed oil fatty acid calcium is added in mixture two, reheats
To 50 DEG C and be incubated 20-30min, it is stirred with the speed of 120-140r/min simultaneously, obtains mixture three；
(5) finally mixture three is placed at a temperature of 78-85 DEG C and is dried, grind, cross 120-150 mesh sieve, obtain described
Dolomite based composite heat stabilizer.
Application in terms of preparing macromolecular material for the described dolomite based composite heat stabilizer.
Compared with prior art, the invention has the beneficial effects as follows：The selection dolomite of the invention is steady as main effect
Determine agent, under the complex role of sodium polyacrylate and behenamide, the thermostable effect played altogether and weather-proof effect, and this
Bright composite thermal stabilizer does not contain any heavy metal, nontoxic, environmental protection, can be widely used for the foodstuff higher to safety requirements, medical treatment
Health class and toy product class.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of dolomite based composite heat stabilizer, according to mass fraction meter, by following raw material group
Become：15 parts of dolomite, 11 parts of linseed oil fatty acid calcium, 26 parts of sodium polyacrylate, 7 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, comprises the following steps：
(1) first dolomite dusts are broken to after 180 mesh, are mixed to get pre-composition with sodium polyacrylate；
(2) this pre-composition is added in the water of 4 times amount of its quality, stirs, be then heated to 65 DEG C, in this temperature
Under the conditions of degree, using power be 350W, frequency be 28kHz ultrasonic Treatment 2h, obtain mixture one；
(3) and then by behenamide it is added in mixture one, continue to be heated to 72 DEG C, under this temperature conditions, profit
With power be 300W, frequency be 34kHz ultrasonic Treatment 1h, obtain mixture two；
(4) thing two to be mixed is cooled to less than 50 DEG C, linseed oil fatty acid calcium is added in mixture two, reheats
To 50 DEG C and be incubated 20min, it is stirred with the speed of 140r/min simultaneously, obtains mixture three；
(5) finally mixture three is placed at a temperature of 78 DEG C and is dried, grind, cross 120 mesh sieves, obtain described white clouds ground mass
Composite thermal stabilizer.
Embodiment 2
In the embodiment of the present invention, a kind of dolomite based composite heat stabilizer, according to mass fraction meter, by following raw material group
Become：20 parts of dolomite, 7 parts of linseed oil fatty acid calcium, 32 parts of sodium polyacrylate, 4 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, comprises the following steps：
(1) first dolomite dusts are broken to after 200 mesh, are mixed to get pre-composition with sodium polyacrylate；
(2) this pre-composition is added in the water of 5 times amount of its quality, stirs, be then heated to 68 DEG C, in this temperature
Under the conditions of degree, using power be 380W, frequency be 30kHz ultrasonic Treatment 1h, obtain mixture one；
(3) and then by behenamide it is added in mixture one, continue to be heated to 74 DEG C, under this temperature conditions, profit
With power be 320W, frequency be 35kHz ultrasonic Treatment 0.5h, obtain mixture two；
(4) thing two to be mixed is cooled to less than 50 DEG C, linseed oil fatty acid calcium is added in mixture two, reheats
To 50 DEG C and be incubated 30min, it is stirred with the speed of 120r/min simultaneously, obtains mixture three；
(5) finally mixture three is placed at a temperature of 85 DEG C and is dried, grind, cross 150 mesh sieves, obtain described white clouds ground mass
Composite thermal stabilizer.
Embodiment 3
In the embodiment of the present invention, a kind of dolomite based composite heat stabilizer, according to mass fraction meter, by following raw material group
Become：16 parts of dolomite, 10 parts of linseed oil fatty acid calcium, 28 parts of sodium polyacrylate, 6 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, comprises the following steps：
(1) first dolomite dusts are broken to after 200 mesh, are mixed to get pre-composition with sodium polyacrylate；
(2) this pre-composition is added in the water of 5 times amount of its quality, stirs, be then heated to 67 DEG C, in this temperature
Under the conditions of degree, using power be 370W, frequency be 30kHz ultrasonic Treatment 1.5h, obtain mixture one；
(3) and then by behenamide it is added in mixture one, continue to be heated to 74 DEG C, under this temperature conditions, profit
With power be 310W, frequency be 35kHz ultrasonic Treatment 0.8h, obtain mixture two；
(4) thing two to be mixed is cooled to less than 50 DEG C, linseed oil fatty acid calcium is added in mixture two, reheats
To 50 DEG C and be incubated 25min, it is stirred with the speed of 130r/min simultaneously, obtains mixture three；
(5) finally mixture three is placed at a temperature of 84 DEG C and is dried, grind, cross 150 mesh sieves, obtain described white clouds ground mass
Composite thermal stabilizer.
Embodiment 4
In the embodiment of the present invention, a kind of dolomite based composite heat stabilizer, according to mass fraction meter, by following raw material group
Become：19 parts of dolomite, 8 parts of linseed oil fatty acid calcium, 30 parts of sodium polyacrylate, 5 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, same as Example 3.
Embodiment 5
In the embodiment of the present invention, a kind of dolomite based composite heat stabilizer, according to mass fraction meter, by following raw material group
Become：17 parts of dolomite, 9 parts of linseed oil fatty acid calcium, 29 parts of sodium polyacrylate, 5 parts of behenamide.
The preparation method of described dolomite based composite heat stabilizer, same as Example 3.
Comparative example 1
On the basis of embodiment 5, delete this component of sodium polyacrylate, remaining is identical with embodiment 5.
Comparative example 2
On the basis of embodiment 5, delete this component of behenamide, remaining is identical with embodiment 5.
Comparative example 3
On the basis of embodiment 5, delete sodium polyacrylate and behenamide both components, remaining and embodiment 5
Identical.
Mass ratio according to PVC and composite thermal stabilizer is 100：3 ratio, be utilized respectively above-described embodiment 1-5 and
Composite thermal stabilizer obtained by comparative example 1-3 prepares PVC material, and concrete preparation process is：In proportion will be steady to PVC and compound thermal
After determining agent mixed at high speed 3min, fully plasticate on plasticator in 180-190 DEG C, be prepared into PVC material.
PVC material obtained by with each example as test object, the PVC heat stability testing that specifies according to GB3917-1982
Method-congo red method, carries out static heat stability test at 190 DEG C；Carry out under the conditions of 190 DEG C according to torque rheometer experiment
Dynamic thermal stability is tested；According to GB/T1995《Corvic heat stability experimental technique, whiteness method》Measure PVC sample
Whiteness, the result of test is as shown in table 1, table 2.
The static heat stability of each example of table 1 and dynamic thermal stability result
| Project | Static heat-stable time (min) | Dynamic heat-stable time (min) |
| Embodiment 1 | 114.3 | 89.2 |
| Embodiment 2 | 114.9 | 90.4 |
| Embodiment 3 | 121.6 | 94.0 |
| Embodiment 4 | 122.8 | 94.9 |
| Embodiment 5 | 129.2 | 99.5 |
| Comparative example 1 | 83.4 | 57.8 |
| Comparative example 2 | 89.5 | 62.7 |
| Comparative example 3 | 61.3 | 45.2 |
As can be seen from Table 1：Compared with comparative example, the present invention has good thermostable effect；Comparative example 5 and right
Ratio 1-3, the static heat-stable time of embodiment 5 and dynamic heat-stable time have and are significantly lifted, and illustrate that the present invention is combined
Very strong synergism has been played between the sodium polyacrylate of heat stabilizer and behenamide both components and remaining component,
Relatively do not contain sodium polyacrylate and/or the using effect of behenamide is significantly improved.
The sample whiteness value of each example of table 2
As can be seen from Table 2：The sample whiteness in 24h, 48h, 72h and 120h for the present invention is above the sample of comparative example
Whiteness；Prolongation over time, the sample whiteness of comparative example is substantially reduced, and in 120h, sample whiteness is only 72.6-
77.4%, and the sample whiteness of the present invention is 87.3-91.8%, this illustrates that the weatherability of composite thermal stabilizer of the present invention is better than
Comparative example；Comparative example 5 and comparative example 1-3, the sample whiteness of embodiment 5 is improved significantly, and illustrates that the present invention is combined
Very strong synergism has been played between the sodium polyacrylate of heat stabilizer and behenamide both components and remaining component,
Relatively do not contain sodium polyacrylate and/or the using effect of behenamide is significantly improved.
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 the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, 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 this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of dolomite based composite heat stabilizer is it is characterised in that according to mass fraction meter, be made up of following raw material：White clouds
Stone 15-20 part, linseed oil fatty acid calcium 7-11 part, sodium polyacrylate 26-32 part, behenamide 4-7 part.
2. dolomite based composite heat stabilizer according to claim 1 is it is characterised in that according to mass fraction meter, by with
Lower raw material composition：Dolomite 16-19 part, linseed oil fatty acid calcium 8-10 part, sodium polyacrylate 28-30 part, behenamide 5-6
Part.
3. dolomite based composite heat stabilizer according to claim 2 is it is characterised in that according to mass fraction meter, by with
Lower raw material composition：17 parts of dolomite, 9 parts of linseed oil fatty acid calcium, 29 parts of sodium polyacrylate, 5 parts of behenamide.
4. the preparation method according to the arbitrary described dolomite based composite heat stabilizer of claim 1-3 is it is characterised in that include
Following steps：
(1) first dolomite dusts are broken to after 180-200 mesh, are mixed to get pre-composition with sodium polyacrylate；
(2) this pre-composition is added in the water of 4-5 times amount of its quality, stirs, be then heated to 65-68 DEG C, at this
Under temperature conditionss, using power be 350-380W, frequency be 28-30kHz ultrasonic Treatment 1-2h, obtain mixture one；
(3) and then by behenamide it is added in mixture one, continues to be heated to 72-74 DEG C, under this temperature conditions, utilize
Power is 300-320W, frequency is ultrasonic Treatment 0.5-1h of 34-35kHz, obtains mixture two；
(4) thing two to be mixed is cooled to less than 50 DEG C, linseed oil fatty acid calcium is added in mixture two, is reheated to 50
DEG C and be incubated 20-30min, be stirred with the speed of 120-140r/min simultaneously, obtain mixture three；
(5) finally mixture three is placed at a temperature of 78-85 DEG C and is dried, grind, cross 120-150 mesh sieve, obtain described white clouds
Ground mass composite thermal stabilizer.
5. the answering in terms of preparing macromolecular material according to the arbitrary described dolomite based composite heat stabilizer of claim 1-3
With.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106589688A (en) * | 2016-12-09 | 2017-04-26 | 郑州搜趣信息技术有限公司 | Spinel-based composite heat stabilizer and preparation method thereof |
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