CN112048134A - Preparation method of reinforced PVC paste resin - Google Patents
Preparation method of reinforced PVC paste resin Download PDFInfo
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- CN112048134A CN112048134A CN202010911886.0A CN202010911886A CN112048134A CN 112048134 A CN112048134 A CN 112048134A CN 202010911886 A CN202010911886 A CN 202010911886A CN 112048134 A CN112048134 A CN 112048134A
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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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
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
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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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Abstract
The invention provides a preparation method of reinforced PVC paste resin, and particularly relates to the technical field of PVC resin. The invention comprises the following steps: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 1-3 parts of stabilizer and 20-50 parts of filler according to a certain ratio; vacuumizing and defoaming the prepared mixture by a small-sized vacuum pump; and pouring the prepared material into a mold, keeping the temperature at 170 ℃ for 7-10 min, and carrying out plasticizing molding. The preparation method of the reinforced PVC paste resin provided by the invention can improve the physical properties of the PVC paste resin.
Description
Technical Field
The invention belongs to the technical field of polyvinyl chloride resin, and particularly relates to a preparation method of reinforced PVC paste resin.
Background
Polyvinyl chloride, abbreviated as PVC in English, is an initiator of vinyl chloride monomer in peroxide, azo compounds and the like; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.
PVC is white powder with an amorphous structure, has small branching degree, relative density of about 1.4, glass transition temperature of 77-90 ℃, starts to decompose at about 170 ℃, has poor stability and physical properties to light and heat, and needs to be added with a stabilizer and a plasticizer in practical application to improve the stability and the physical properties to heat and light. Therefore, there is a need for a method of preparing reinforced PVC paste resins that can solve the above problems.
Disclosure of Invention
The invention aims to provide a preparation method of reinforced PVC paste resin, which can improve the physical properties of the PVC paste resin.
The invention provides the following technical scheme:
a preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 1-3 parts of stabilizer and 20-50 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, keeping the temperature at 170 ℃ for 7-10 min, and performing plasticizing molding.
Preferably, the plasticizer is one or more of DOP, DBP, BBP, DINP, DIIP, DOA and DOTP.
Preferably, the plasticizer is a mixture of the DOP and the DBP.
Preferably, the ratio of the amount of the substance of DOP to the amount of the substance of DBP is 1: 1.
Preferably, the stabilizer is one or more of dibutyltin dilaurate, liquid calcium-zinc, liquid potassium-zinc and liquid barium-zinc.
Preferably, the filler is one or more of talcum powder, heavy calcium carbonate, light calcium carbonate, kaolin and wollastonite powder.
The invention has the beneficial effects that:
the PVC paste resin, the plasticizer, the stabilizer and the filler are uniformly mixed according to a certain proportion, wherein 100 parts of the PVC paste resin, 80 parts of the plasticizer, 1-3 parts of the stabilizer and 20-50 parts of the filler are mixed; vacuumizing and defoaming the prepared mixture by a small-sized vacuum pump; pouring the prepared material into a mold, keeping the temperature at 170 ℃ for 7-10 min, and after plasticizing and forming, wherein the ratio of the amount of the DOP substance to the amount of the DBP substance is 1:1, and the prepared PVC paste resin has high tensile strength and elongation at break.
Drawings
FIG. 1 is a schematic view of the test of the breaking strength of the present invention;
FIG. 2 is a schematic diagram of the detection of elongation at break according to the present invention.
Detailed Description
Example 1
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is DBP, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 2
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 1:7, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 3
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 1:3, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 4
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 3:5, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 5
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 1:1, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 6
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 5:3, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 7
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 3:1, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 8
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is a mixture consisting of DOP and DBP, the ratio of the amount of DOP substances to the amount of DBP substances is 7:1, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
Example 9
A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 2 parts of stabilizer and 35 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, and keeping the temperature at 170 ℃ for 9min to be plasticized and molded.
The plasticizer is DOP, the stabilizer is dibutyltin dilaurate, and the filler is talcum powder.
The PVC paste resin materials prepared by the raw materials with different ratios in the embodiments 1-9 are detected, and as can be seen from fig. 1 and 2, the PVC paste resin prepared by the embodiment of the invention with the ratio of the amount of the DOP substance to the amount of the DBP substance being 1:1 has excellent tensile strength and elongation at break, meets the use requirements, and can be widely applied to the application field with higher performance requirements.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A preparation method of reinforced PVC paste resin is characterized by comprising the following steps: the preparation method comprises the following steps of raw materials in parts by weight:
s1: uniformly mixing 100 parts of PVC paste resin, 80 parts of plasticizer, 1-3 parts of stabilizer and 20-50 parts of filler according to a certain ratio;
s2: vacuumizing and defoaming the mixture prepared in the step S1 through a small vacuum pump;
s3: and pouring the material prepared in the step S2 into a mold, keeping the temperature at 170 ℃ for 7-10 min, and performing plasticizing molding.
2. A process for the preparation of a reinforced PVC paste resin according to claim 1, characterized in that: the plasticizer is one or more of DOP, DBP, BBP, DINP, DIIP, DOA and DOTP.
3. A process for the preparation of a reinforced PVC paste resin according to claim 2, characterised in that: the plasticizer is a mixture consisting of the DOP and the DBP.
4. A process for the preparation of a reinforced PVC paste resin according to claim 3, characterized in that: the ratio of the amount of the substance of DOP to the amount of the substance of DBP is 1: 1.
5. A process for the preparation of a reinforced PVC paste resin according to claim 1, characterized in that: the stabilizer is one or more of dibutyltin dilaurate, liquid calcium-zinc, liquid potassium-zinc and liquid barium-zinc.
6. A process for the preparation of a reinforced PVC paste resin according to claim 1, characterized in that: the filler is one or more of talcum powder, heavy calcium carbonate, light calcium carbonate, kaolin and wollastonite powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911886.0A CN112048134A (en) | 2020-09-02 | 2020-09-02 | Preparation method of reinforced PVC paste resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911886.0A CN112048134A (en) | 2020-09-02 | 2020-09-02 | Preparation method of reinforced PVC paste resin |
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| CN112048134A true CN112048134A (en) | 2020-12-08 |
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| CN202010911886.0A Pending CN112048134A (en) | 2020-09-02 | 2020-09-02 | Preparation method of reinforced PVC paste resin |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296031A (en) * | 1999-11-12 | 2001-05-23 | 中国石油化工集团公司北京化工研究院 | Process for preparation polyvinyl-chloride foaming material |
| CN102558713A (en) * | 2011-12-30 | 2012-07-11 | 福建思嘉环保材料科技有限公司 | Nanometer bi-layer film biogas digester material and preparation method thereof |
| WO2014065570A1 (en) * | 2012-10-26 | 2014-05-01 | 한화케미칼 주식회사 | Polyvinyl chloride-based paste resin, and preparation method therefor |
| CN104673138A (en) * | 2015-02-16 | 2015-06-03 | 沈阳化工股份有限公司 | Preparation method of paste material of PVC paste resin |
| CN109337236A (en) * | 2018-09-05 | 2019-02-15 | 苏州意诺工业皮带有限公司 | A kind of light-duty PVC conveyer belt of cold-resistant, wear-resisting and preparation method thereof |
-
2020
- 2020-09-02 CN CN202010911886.0A patent/CN112048134A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296031A (en) * | 1999-11-12 | 2001-05-23 | 中国石油化工集团公司北京化工研究院 | Process for preparation polyvinyl-chloride foaming material |
| CN102558713A (en) * | 2011-12-30 | 2012-07-11 | 福建思嘉环保材料科技有限公司 | Nanometer bi-layer film biogas digester material and preparation method thereof |
| WO2014065570A1 (en) * | 2012-10-26 | 2014-05-01 | 한화케미칼 주식회사 | Polyvinyl chloride-based paste resin, and preparation method therefor |
| CN104673138A (en) * | 2015-02-16 | 2015-06-03 | 沈阳化工股份有限公司 | Preparation method of paste material of PVC paste resin |
| CN109337236A (en) * | 2018-09-05 | 2019-02-15 | 苏州意诺工业皮带有限公司 | A kind of light-duty PVC conveyer belt of cold-resistant, wear-resisting and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王圣武等: ""DOP与DBP对PVC糊树脂性能影响的比较"", 《工程塑料应用》 * |
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Application publication date: 20201208 |
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