CN112375313A - Anti-biological compound PVC heat stabilizer and preparation method thereof - Google Patents
Anti-biological compound PVC heat stabilizer and preparation method thereof Download PDFInfo
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- CN112375313A CN112375313A CN202011373362.7A CN202011373362A CN112375313A CN 112375313 A CN112375313 A CN 112375313A CN 202011373362 A CN202011373362 A CN 202011373362A CN 112375313 A CN112375313 A CN 112375313A
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- biological
- heat stabilizer
- pvc heat
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to the technical field of PVC heat stabilizers, and particularly relates to an anti-biological compound PVC heat stabilizer and a preparation method thereof. The composite material comprises the following raw materials in parts by mass: 1-2 parts of an anti-biological additive; 20-35 parts of an auxiliary stabilizer; 10-20 parts of calcium stearate; 10-20 parts of zinc stearate; 1-3 parts of an antioxidant; 10-30 parts of a lubricant; 10-15 parts of a release agent. According to the invention, the prepared heat stabilizer has good biological resistance, oxidation resistance and high temperature resistance by adding the anti-biological auxiliary agent, the antioxidant, the lubricant and the release agent; the composite PVC heat stabilizer effectively solves the problem that the composite PVC heat stabilizer in the current market has no biological prevention function, and further solves the problem that the downstream PVC related products are biologically damaged. The preparation method has the advantages of simple equipment and process, convenient operation and control, low production cost, stable product quality, high production efficiency and mass production.
Description
Technical Field
The invention belongs to the technical field of PVC heat stabilizers, and particularly relates to an anti-biological compound PVC heat stabilizer and a preparation method thereof.
Background
The calcium-zinc heat stabilizer is a PVC heat stabilizer developed aiming at PVC defects, has the characteristics of no toxicity, no pollution, multiple functions and the like, is applied to the processing of PVC products, and has very excellent and unique performance on PVC heat stability; however, the calcium-zinc composite PVC heat stabilizer in the current market is easy to separate out and lacks of biological resistance, so that the calcium-zinc composite PVC heat stabilizer cannot well play a role in some areas, PVC products such as PVC plugs, PVC sheathed cables, PVC pipes and the like have hidden troubles of being bitten by wild animals, birds, pets and other animals, and waste is caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the biological-prevention composite PVC heat stabilizer is provided, so that the serious harm caused by bite and gnawing of PVC plastic products in the long-term use process of wild animals, birds, pets and other regions where most animals move rampant. The anti-biological compound PVC heat stabilizer has good anti-biological property, oxidation resistance and high temperature resistance, and the invention also provides a preparation method thereof.
The biological-prevention composite PVC heat stabilizer comprises the following raw materials in parts by weight:
wherein:
the biological prevention auxiliary agent is at least one of o-cumyl methyl carbamate or alpha-cyano 3-phenoxybenzyl-dextro-cis-2, 2-dimethyl-3 cyclopropane carboxylate.
The auxiliary stabilizer is at least one of polyalcohol, beta-diketone, phosphite ester or nitrogen-containing oxide.
The antioxidant is antioxidant 1076.
The lubricant is at least one of stearic acid 1840, PE wax or OPE wax.
The release agent is PETS-3.
The preparation method of the anti-biological compound PVC heat stabilizer comprises the following steps:
(1) sieving an auxiliary stabilizer, calcium stearate, zinc stearate, an anti-biological additive, an antioxidant, a lubricant and a release agent respectively through a vibrating screen, and mixing by using a ribbon mixer to obtain uniform mixed powder;
(2) and packaging the mixed powder to obtain the anti-biological compound PVC heat stabilizer.
In the step (1), the vibrating screen is 40 meshes, and the mixing time of the ribbon mixer is 20-30 min.
In the step (2), the packaging mode is inner bag sealing packaging.
Preferably, the preparation method of the anti-biological compound PVC heat stabilizer comprises the following steps:
(1) sieving an auxiliary stabilizer, calcium stearate, zinc stearate, an anti-biological additive, an antioxidant, a lubricant and a release agent by a 40-mesh vibrating screen respectively, and mixing for 25min by a ribbon mixer to obtain uniform mixed powder;
(2) and carrying out inner bag sealing packaging on the mixed powder to obtain the biological-prevention composite PVC heat stabilizer.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the anti-biological additive, the antioxidant, the lubricant and the release agent are added into the powdery calcium-zinc composite PVC heat stabilizer, so that the prepared heat stabilizer has good biological resistance, oxidation resistance and high temperature resistance; the composite PVC heat stabilizer effectively solves the problem that the composite PVC heat stabilizer in the current market has no biological prevention function, and further solves the problem that the downstream PVC related products are biologically damaged.
2. The preparation method has the advantages of simple equipment and process, convenient operation and control, low production cost, stable product quality, high production efficiency and mass production.
Detailed Description
The present invention will be further described with reference to the following examples.
All the raw materials used in the examples are commercially available unless otherwise specified.
Example 1
The biological-prevention composite PVC heat stabilizer comprises the following raw materials in parts by weight:
and (3) anti-biological additives: a mixture of 0.5 part of o-cumylmethyl carbamate and 0.5 part of alpha-cyano 3-phenoxybenzyl-dextro-cis-2, 2-dimethyl-3-cyclopropane carboxylate; 20 parts of auxiliary stabilizer CAA (calcium acetylacetonate); 15 parts of calcium stearate; 18 parts of zinc stearate; 10762 parts of an antioxidant; the lubricant is a mixture consisting of 10 parts of PE wax, 10 parts of HST-184010 parts and 316A5 parts; and (4) a release agent PETS-310.
The preparation method comprises the following steps:
(1) all materials were sieved successively through a 40 mesh vibrating screen.
(2) And (3) mixing the sieved auxiliary stabilizer, calcium stearate, zinc stearate, the anti-biological additive, the antioxidant, the lubricant and the release agent in a ribbon blender for 25 minutes, and uniformly mixing to obtain mixed powder.
(3) And carrying out inner bag sealing packaging on the mixed powder to obtain the anti-biological composite PVC heat stabilizer (A).
Comparative example 1
No anti-biological additive was added for comparison.
The common composite PVC heat stabilizer without the biological inhibitor comprises the following raw materials in parts by weight:
0 part of anti-biological additive; 20 parts of auxiliary stabilizer CAA; 15 parts of calcium stearate; 18 parts of zinc stearate; 10762 parts of an antioxidant; the lubricant is a mixture consisting of 10 parts of PE wax, 180110 parts of HST and 316A5 parts; and (4) a release agent PETS-310.
The preparation method comprises the following steps:
(1) all materials were sieved successively through a 40 mesh vibrating screen.
(2) And (3) mixing the sieved auxiliary stabilizer, calcium stearate, zinc stearate, antioxidant, lubricant and release agent in a ribbon blender for 25 minutes, and uniformly mixing to obtain mixed powder.
(3) And carrying out inner bag sealing packaging on the mixed powder to obtain the anti-biological composite PVC heat stabilizer (B).
Test example
The test formula is as follows: 100 parts of PVC resin powder, 25 parts of light calcium carbonate, 3.5 parts of an anti-biological composite heat stabilizer (A), 0.5 part of PE wax, 0.4 part of HST, 0.1 part of paraffin, 2 parts of ACR (401), 2 parts of CPE 2 and 2.5 parts of titanium dioxide.
The contrast formula comprises 100 parts of PVC resin powder, 25 parts of light calcium carbonate, 3.5 parts of common composite heat stabilizer (B) without biological control additive, 0.5 part of PE wax, 0.4 part of HST, 0.1 part of paraffin, 2 parts of ACR (401), 2 parts of CPE, and 2.5 parts of titanium dioxide.
Under the same test conditions, the data of the test items for pipes with a pipe diameter of 25 extruded from a (twin-screw) twin-screw extruder of SJZ 65/132 are shown in Table 1.
TABLE 1
| Test items | Standard value | Test formulations | Comparative formulation |
| Rate of protection | ≥80％ | 99％ | 85％ |
| Hardness of | ≥50％ | 83％ | 83％ |
| Tensile Strength (MPa) | ≥15.0 | 27.1 | 27.1 |
| Flexural Strength (MPa) | ≥15.0 | 51.4 | 51.4 |
As can be seen from Table 1, the protection rate of the pipe obtained by the anti-biological compound PVC heat stabilizer (A) used in the experimental formula is 14% higher than that of the common compound PVC heat stabilizer (B) without the anti-biological additive in the comparative formula under the condition that the indexes of the hardness, the tensile strength and the bending strength of the test items are the same.
As can be seen from the test data, the anti-biological performance of the stabilizer of the invention is obviously superior to that of the heat stabilizer without the anti-biological additive.
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.
Claims (9)
1. The biological-prevention composite PVC heat stabilizer is characterized in that: the composite material comprises the following raw materials in parts by mass:
2. the anti-biological composite PVC heat stabilizer according to claim 1, characterized in that: the biological prevention auxiliary agent is at least one of o-cumyl methyl carbamate or alpha-cyano 3-phenoxybenzyl-dextro-cis-2, 2-dimethyl-3 cyclopropane carboxylate.
3. The anti-biological composite PVC heat stabilizer according to claim 1, characterized in that: the auxiliary stabilizer is at least one of polyalcohol, beta-diketone, phosphite ester or nitrogen-containing oxide.
4. The anti-biological composite PVC heat stabilizer according to claim 1, characterized in that: the antioxidant is antioxidant 1076.
5. The anti-biological composite PVC heat stabilizer according to claim 1, characterized in that: the lubricant is at least one of stearic acid 1840, PE wax or OPE wax.
6. The anti-biological composite PVC heat stabilizer according to claim 1, characterized in that: the release agent is PETS-3.
7. A preparation method of the anti-biological compound PVC heat stabilizer of any one of claims 1 to 6, which is characterized by comprising the following steps: the method comprises the following steps:
(1) sieving an auxiliary stabilizer, calcium stearate, zinc stearate, an anti-biological additive, an antioxidant, a lubricant and a release agent respectively through a vibrating screen, and mixing by using a ribbon mixer to obtain uniform mixed powder;
(2) and packaging the mixed powder to obtain the anti-biological compound PVC heat stabilizer.
8. The preparation method of the anti-biological compound PVC heat stabilizer according to claim 7, characterized in that: in the step (1), the vibrating screen is 40 meshes, and the mixing time of the ribbon mixer is 20-30 min.
9. The preparation method of the anti-biological compound PVC heat stabilizer according to claim 7, characterized in that: in the step (2), the packaging mode is inner bag sealing packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373362.7A CN112375313A (en) | 2020-11-30 | 2020-11-30 | Anti-biological compound PVC heat stabilizer and preparation method thereof |
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| CN202011373362.7A CN112375313A (en) | 2020-11-30 | 2020-11-30 | Anti-biological compound PVC heat stabilizer and preparation method thereof |
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| CN202011373362.7A Pending CN112375313A (en) | 2020-11-30 | 2020-11-30 | Anti-biological compound PVC heat stabilizer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754964A (en) * | 2021-07-30 | 2021-12-07 | 山东和隆新材料科技有限公司 | Environment-friendly composite auxiliary agent for improving impact strength of PVC door and window profile and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504583A (en) * | 2015-12-31 | 2016-04-20 | 东莞市祺龙电业有限公司 | Anti-termite PVC (Polyvinyl Chloride) modified material and preparation method thereof |
| CN109721881A (en) * | 2018-12-06 | 2019-05-07 | 安徽永高塑业发展有限公司 | A kind of environmentally protective low temperature impact type PVC-U electrical casing pipe |
-
2020
- 2020-11-30 CN CN202011373362.7A patent/CN112375313A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504583A (en) * | 2015-12-31 | 2016-04-20 | 东莞市祺龙电业有限公司 | Anti-termite PVC (Polyvinyl Chloride) modified material and preparation method thereof |
| CN109721881A (en) * | 2018-12-06 | 2019-05-07 | 安徽永高塑业发展有限公司 | A kind of environmentally protective low temperature impact type PVC-U electrical casing pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754964A (en) * | 2021-07-30 | 2021-12-07 | 山东和隆新材料科技有限公司 | Environment-friendly composite auxiliary agent for improving impact strength of PVC door and window profile and preparation method thereof |
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Application publication date: 20210219 |