CN112300514A - Novel high-molecular polyvinyl chloride material and preparation method thereof - Google Patents
Novel high-molecular polyvinyl chloride material and preparation method thereof Download PDFInfo
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- CN112300514A CN112300514A CN201910708954.0A CN201910708954A CN112300514A CN 112300514 A CN112300514 A CN 112300514A CN 201910708954 A CN201910708954 A CN 201910708954A CN 112300514 A CN112300514 A CN 112300514A
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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
- C08K3/20—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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Abstract
The invention provides a novel high-molecular polyvinyl chloride material and a preparation method thereof, wherein the material comprises the following components in parts by weight: 90-120 parts of PVC, 10-30 parts of calcium carbonate, 5-15 parts of glass fiber powder, 3-8 parts of talcum powder, 2-4 parts of calcium-zinc composite stabilizer, 2-3 parts of impact modifier, 0-1 part of low molecular polyethylene wax, 0-1 part of stearic acid and 1-3 parts of titanium dioxide. According to the invention, through the unique design of the formula of the polyvinyl chloride material, the polyvinyl chloride has the technical effects of good weather resistance, extremely high mechanical strength, corrosion resistance and good temperature resistance, particularly the heat resistance of the polyvinyl chloride is greatly improved, and the Vicat softening point is improved, so that the technical problem that the polyvinyl chloride cannot be used as an outdoor structural member in heat resistance is solved.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a novel high polymer polyvinyl chloride material and a preparation method thereof.
Background
Polyvinyl chloride is thermoplastic resin, is called four basic building materials together with steel, wood and cement, is called five general-purpose resins together with PP, PE, ABS and PS, is the largest organic chlorine consumption product in the chlor-alkali industry, is a synthetic material which is popular, popular and widely applied in the world at present, and has high priority in global use amount among various synthetic materials. At present, polyvinyl chloride on the market has the problems of poor heat resistance, poor weather resistance and the like.
Many people have improved the above problems, and specific examples include rigid polyvinyl chloride, perchloroethylene, etc., but still do not solve the critical problems of weather resistance, heat resistance, etc.
Disclosure of Invention
In order to solve the problem of poor heat resistance and weather resistance, the invention provides a novel high polymer polyvinyl chloride material and a preparation method thereof.
The specific technical scheme is as follows:
a novel high-molecular polyvinyl chloride material comprises the following components in parts by weight: 90-120 parts of PVC, 10-30 parts of calcium carbonate, 5-15 parts of glass fiber powder, 3-8 parts of talcum powder, 2-4 parts of calcium-zinc composite stabilizer, 2-3 parts of impact modifier, 0-1 part of low-molecular polyethylene wax, 0-1 part of stearic acid and 1-3 parts of titanium dioxide.
Preferably, the material consists of the following components in parts by weight: 100 parts of PVC, 20 parts of calcium carbonate, 10 parts of glass fiber powder, 5 parts of talcum powder, 3 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
Preferably, the material consists of the following components in parts by weight: 90 parts of PVC, 10 parts of calcium carbonate, 5 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of stearic acid and 1 part of titanium dioxide.
Preferably, the material consists of the following components in parts by weight: 120 parts of PVC, 30 parts of calcium carbonate, 15 parts of glass fiber powder, 8 parts of talcum powder, 4 parts of calcium-zinc composite stabilizer, 3 parts of impact modifier, 1 part of low-molecular polyethylene wax and 3 parts of titanium dioxide.
Preferably, the material consists of the following components in parts by weight: 100 parts of PVC, 10 parts of calcium carbonate, 10 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
A preparation method of a novel high polymer polyvinyl chloride material comprises the following steps:
step S1: PVC, calcium carbonate, glass fiber powder, talcum powder, calcium-zinc composite stabilizer, impact modifier, low-molecular polyethylene wax, stearic acid and titanium dioxide are mixed in a high-speed mixer;
step S2: cooling in a low-speed cooling mixer;
step S3: granulating in a double granulator;
step S4: and (4) entering a single-screw extruder for extrusion molding.
Preferably, the temperature range of the step S1 is controlled to be 100-120 ℃, and the mixing time is 10-20 minutes.
Preferably, in the step S2, the low-speed cooling mixer cools the mixed material to 35 to 45 ℃.
Preferably, the temperature range of the step S3 is controlled to be 100-170 ℃.
Preferably, the temperature range of the step S4 is controlled to be 100-170 ℃.
Compared with the prior art, the novel high-molecular polyvinyl chloride material and the preparation method thereof provided by the invention have the following advantages:
according to the novel high-molecular polyvinyl chloride material and the preparation method thereof, the formula of the polyvinyl chloride material is uniquely designed, so that the polyvinyl chloride has the technical effects of good weather resistance, extremely high mechanical strength, corrosion resistance and good temperature resistance, the heat resistance of the polyvinyl chloride is greatly improved, and the Vicat softening point is improved, so that the technical problem that the polyvinyl chloride cannot be used as an outdoor structural part in heat resistance is solved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A novel high-molecular polyvinyl chloride material comprises the following components in parts by weight: 100 parts of PVC, 20 parts of calcium carbonate, 10 parts of glass fiber powder, 5 parts of talcum powder, 3 parts of calcium-zinc composite stabilizer, 2 parts of impact-resistant modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
The preparation method of the novel high polymer polyvinyl chloride material comprises the following steps:
step S1: 100 parts of PVC, 20 parts of calcium carbonate, 10 parts of glass fiber powder, 5 parts of talcum powder, 3 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium white powder are mixed in a high-speed mixer at the temperature of 100 ℃ for 10 minutes;
step S2: cooling the mixture to 35 ℃ in a low-speed cooling mixer;
step S3: granulating in a double granulator, and controlling the temperature at 100 ℃;
step S4: and (4) extruding and molding in a single-screw extruder at the temperature of 100 ℃.
Example two
A novel high-molecular polyvinyl chloride material comprises the following components in parts by weight: 90 parts of PVC, 10 parts of calcium carbonate, 5 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of stearic acid and 1 part of titanium dioxide.
The preparation method of the novel high polymer polyvinyl chloride material comprises the following steps:
step S1: 90 parts of PVC, 10 parts of calcium carbonate, 5 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of stearic acid and 1 part of titanium dioxide are mixed in a high-speed mixer at the temperature of 120 ℃ for 20 minutes;
step S2: cooling the mixture to 45 ℃ in a low-speed cooling mixer;
step S3: granulating in a double granulator, and controlling the temperature at 170 ℃;
step S4: and (4) extruding and molding in a single-screw extruder, wherein the temperature is controlled at 170 ℃.
EXAMPLE III
A novel high-molecular polyvinyl chloride material comprises the following components in parts by weight: 120 parts of PVC, 30 parts of calcium carbonate, 15 parts of glass fiber powder, 8 parts of talcum powder, 4 parts of calcium-zinc composite stabilizer, 3 parts of impact-resistant modifier, 1 part of low-molecular polyethylene wax and 3 parts of titanium dioxide.
The preparation method of the novel high polymer polyvinyl chloride material comprises the following steps:
step S1: : 120 parts of PVC, 30 parts of calcium carbonate, 15 parts of glass fiber powder, 8 parts of talcum powder, 4 parts of calcium-zinc composite stabilizer, 3 parts of impact modifier, 1 part of low-molecular polyethylene wax and 3 parts of titanium dioxide are mixed in a high-speed mixer at the temperature of 110 ℃ for 15 minutes;
step S2: cooling to 40 ℃ in a low-speed cooling mixer;
step S3: granulating in a double granulator at 150 deg.C;
step S4: and (4) extruding and molding in a single-screw extruder at the temperature of 150 ℃.
Example four
A novel high-molecular polyvinyl chloride material comprises the following components in parts by weight: 100 parts of PVC, 10 parts of calcium carbonate, 10 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact-resistant modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
The preparation method of the novel high polymer polyvinyl chloride material comprises the following steps:
step S1: 100 parts of PVC, 10 parts of calcium carbonate, 10 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium white powder are mixed in a high-speed mixer at the temperature of 110 ℃ for 15 minutes;
step S2: cooling to 40 ℃ in a low-speed cooling mixer;
step S3: granulating in a double granulator at 150 deg.C;
step S4: and (4) extruding and molding in a single-screw extruder at the temperature of 150 ℃.
In summary, the formula of the novel high polymer polyvinyl chloride material and the preparation method thereof provided by the invention are uniquely designed, so that the polyvinyl chloride has the technical effects of good weather resistance, extremely high mechanical strength, corrosion resistance and good temperature resistance, especially the heat resistance of the polyvinyl chloride is greatly improved, and the Vicat softening point is improved, thereby solving the technical problem that the polyvinyl chloride cannot be used as an outdoor structural member in heat resistance.
The above embodiments are all preferred embodiments of the present invention, and therefore do not limit the scope of the present invention. Any equivalent structures and equivalent steps that can be made by those skilled in the art to which the present invention pertains are intended to be within the scope of the claims of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. A novel high-molecular polyvinyl chloride material is characterized by comprising the following components in parts by weight: 90-120 parts of PVC, 10-30 parts of calcium carbonate, 5-15 parts of glass fiber powder, 3-8 parts of talcum powder, 2-4 parts of calcium-zinc composite stabilizer, 2-3 parts of impact modifier, 0-1 part of low molecular polyethylene wax, 0-1 part of stearic acid and 1-3 parts of titanium dioxide.
2. The novel high molecular polyvinyl chloride material as claimed in claim 1, which is composed of the following components in parts by weight: 100 parts of PVC, 20 parts of calcium carbonate, 10 parts of glass fiber powder, 5 parts of talcum powder, 3 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
3. The novel high molecular polyvinyl chloride material as claimed in claim 1, which is composed of the following components in parts by weight: 90 parts of PVC, 10 parts of calcium carbonate, 5 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of stearic acid and 1 part of titanium dioxide.
4. The novel high molecular polyvinyl chloride material as claimed in claim 1, which is composed of the following components in parts by weight: 120 parts of PVC, 30 parts of calcium carbonate, 15 parts of glass fiber powder, 8 parts of talcum powder, 4 parts of calcium-zinc composite stabilizer, 3 parts of impact modifier, 1 part of low-molecular polyethylene wax and 3 parts of titanium dioxide.
5. The novel high molecular polyvinyl chloride material as claimed in claim 1, which is composed of the following components in parts by weight: 100 parts of PVC, 10 parts of calcium carbonate, 10 parts of glass fiber powder, 3 parts of talcum powder, 2 parts of calcium-zinc composite stabilizer, 2 parts of impact modifier, 1 part of low-molecular polyethylene wax, 1 part of stearic acid and 3 parts of titanium dioxide.
6. A preparation method of a novel high polymer polyvinyl chloride material is characterized by comprising the following steps:
step S1: PVC, calcium carbonate, glass fiber powder, talcum powder, calcium-zinc composite stabilizer, impact modifier, low-molecular polyethylene wax, stearic acid and titanium dioxide are mixed in a high-speed mixer;
step S2: cooling in a low-speed cooling mixer;
step S3: granulating in a double granulator;
step S4: and (4) entering a single-screw extruder for extrusion molding.
7. The method for preparing a novel polymer polyvinyl chloride material according to claim 6, wherein the temperature of the step S1 is controlled to be 100-120 ℃, and the mixing time is 10-20 minutes.
8. The method for preparing a novel polymer polyvinyl chloride material according to claim 6, wherein the mixed material is cooled to 35-45 ℃ by a low-speed cooling mixer in the step S2.
9. The method for preparing a novel polymer polyvinyl chloride material according to claim 6, wherein the temperature of the step S3 is controlled within a range of 100-170 ℃.
10. The method for preparing a novel polymer polyvinyl chloride material according to claim 6, wherein the temperature of the step S4 is controlled within a range of 100-170 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910708954.0A CN112300514A (en) | 2019-08-01 | 2019-08-01 | Novel high-molecular polyvinyl chloride material and preparation method thereof |
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| CN201910708954.0A CN112300514A (en) | 2019-08-01 | 2019-08-01 | Novel high-molecular polyvinyl chloride material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698733A (en) * | 2009-10-28 | 2010-04-28 | 河南康泰塑业科技有限公司 | Hard polyethylene pipe with high impact resistance |
| CN102391591A (en) * | 2011-07-28 | 2012-03-28 | 联塑市政管道（河北）有限公司 | Polrvinyl chloride electric power protecting sleeve and processing method thereof |
| CN107987427A (en) * | 2017-12-21 | 2018-05-04 | 湖南鼎致远科技发展有限公司 | A kind of novel high polymer pvc material |
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- 2019-08-01 CN CN201910708954.0A patent/CN112300514A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698733A (en) * | 2009-10-28 | 2010-04-28 | 河南康泰塑业科技有限公司 | Hard polyethylene pipe with high impact resistance |
| CN102391591A (en) * | 2011-07-28 | 2012-03-28 | 联塑市政管道（河北）有限公司 | Polrvinyl chloride electric power protecting sleeve and processing method thereof |
| CN107987427A (en) * | 2017-12-21 | 2018-05-04 | 湖南鼎致远科技发展有限公司 | A kind of novel high polymer pvc material |
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