CN112940412A - Environment-friendly calcium-zinc stabilizer applied to high-speed extruded PVC-U national standard drainage pipe - Google Patents
Environment-friendly calcium-zinc stabilizer applied to high-speed extruded PVC-U national standard drainage pipe Download PDFInfo
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- CN112940412A CN112940412A CN202110151265.1A CN202110151265A CN112940412A CN 112940412 A CN112940412 A CN 112940412A CN 202110151265 A CN202110151265 A CN 202110151265A CN 112940412 A CN112940412 A CN 112940412A
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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
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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
- C08K13/04—Ingredients characterised by their shape and organic or 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Abstract
An environment-friendly calcium-zinc stabilizer is applied to a high-speed extruded PVC-U national standard drainage pipe, and relates to the technical field of environment-friendly material production aids. The material consists of the following raw materials in parts by weight: 20-26 parts of zinc stearate, 6-10 parts of calcium stearate, 25-35 parts of zeolite, 1-3 parts of antioxidant, 15-25 parts of synergistic heat stabilizer, 9-15 parts of high-end lubricant and 3-7 parts of polyol; the materials are taken according to the proportioning and the specific metal saponification compound is selected and compounded by a special technology. The invention is applied to the high-speed extrusion production and processing of PVC-U drainage pipes, can keep higher plasticity, is uniformly dispersed, has the yield of 25 tons per production line per day, reaches the relevant national and industrial standards and requirements of products, and solves the defects that the common environment-friendly stabilizer is easy to separate out and has insufficient stability at the later stage, particularly the stability problem under high shearing in the production process.
Description
Technical Field
The invention relates to the technical field of production aids for environment-friendly materials, in particular to an environment-friendly calcium-zinc stabilizer applied to a high-speed extruded PVC-U national standard drainage pipe.
Background
Stabilizers are chemicals that increase the stability of solutions, colloids, solids, mixtures, etc., and have the effect of slowing down the reaction, maintaining chemical equilibrium, reducing surface tension, and preventing photo, thermal or oxidative decomposition. In a broad sense, the sources of the chemical stabilizers are very wide, and any chemical can be flexibly used to achieve the aim of stable product quality mainly according to the design purpose of a formula designer; in a narrow sense, the stabilizer is mainly an agent for stabilizing a polymer plastic, rubber, synthetic fiber, etc. and preventing decomposition and aging thereof.
The PVC-U pipeline is produced with sanitary polyvinyl chloride (PVC) resin as main material and proper amount of stabilizer, lubricant, stuffing, coloring agent, etc. and through extrusion in plastic extruder, injection in injection molding machine, cooling, solidification, setting, inspection, packing and other steps. The cast iron pipe has the advantages of excellent physical and chemical properties, chemical corrosion resistance, high impact strength, small fluid resistance, 30% of flow rate improvement compared with a cast iron pipe with the same caliber, aging resistance, long service life and service life of not less than 50 years, and is an ideal material for water supply and drainage of buildings. And the PVC-U pipeline usually adopts a high-speed extrusion production method in the production process, and a stabilizer is usually used in the production process to produce and prevent the PVC-U drainage pipe in production from decomposition and protection, but the existing stabilizer has the following defects: a. the thermal stability is poor, and the material is easy to decompose in the production process of high-speed extrusion; b. the PVC-U national standard drain pipe is easy to separate out in the high-speed extrusion molding process, so that the product quality is unstable; c. high-speed extrusion easily cuts molecular chains to decompose under a shearing state; d. the high-speed extrusion material has short residence time in a machine and is easy to be insufficiently plasticized; therefore, aiming at the defects, the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe is provided.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides an environment-friendly calcium-zinc stabilizer applied to a high-speed extruded PVC-U national standard drainage pipe, which is compounded by selecting a specific metal soap compound and adopting a proprietary technology.
In order to achieve the purpose, the invention adopts the following technical scheme: the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe material is composed of the following raw materials in parts by weight: 20-26 parts of zinc stearate, 6-10 parts of calcium stearate, 25-35 parts of zeolite, 1-3 parts of antioxidant, 15-25 parts of synergistic heat stabilizer, 9-15 parts of high-end lubricant and 3-7 parts of polyol; the materials are taken according to the proportioning and the specific metal saponification compound is selected and compounded by a special technology.
The application method of the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe comprises the following steps: a. the stability efficiency is enhanced by ultra-dispersion treatment and micro-nano treatment; b. viscosity reduction treatment is carried out to protect molecular chains; c. solid plasticizing treatment, and strengthening plasticizing quality and final product quality; d. the three methods are combined and added into the high-speed extrusion production process.
Preferably, the high-speed extruded PVC-U national standard drainage pipe material applied with the environment-friendly calcium zinc stabilizer consists of the following raw materials in parts by weight: 20 parts of zinc stearate, 6 parts of calcium stearate, 25 parts of zeolite, 1 part of antioxidant, 15 parts of synergistic heat stabilizer, 9 parts of high-end lubricant and 3 parts of polyol;
preferably, the high-speed extruded PVC-U national standard drainage pipe material applied with the environment-friendly calcium zinc stabilizer consists of the following raw materials in parts by weight: 24 parts of zinc stearate, 8 parts of calcium stearate, 30 parts of zeolite, 2 parts of antioxidant, 20 parts of synergistic heat stabilizer, 12 parts of high-end lubricant and 5 parts of polyol;
preferably, the high-speed extruded PVC-U national standard drainage pipe material applied with the environment-friendly calcium zinc stabilizer consists of the following raw materials in parts by weight: 26 parts of zinc stearate, 10 parts of calcium stearate, 35 parts of zeolite, 3 parts of antioxidant, 25 parts of synergistic heat stabilizer, 15 parts of high-end lubricant and 7 parts of polyol;
after the technical scheme is adopted, the invention has the beneficial effects that: the PVC-U drainage pipe material is compounded by selecting specific metal saponification compounds and a proprietary technology, and the PVC-U drainage pipe material can keep higher plasticity and is uniformly dispersed, the yield can reach 25 tons per production line every day, the product reaches the relevant national and industrial standards and requirements, the defects that a common environment-friendly stabilizer is easy to separate out and the stability at a later stage is insufficient are overcome, and the stability problem under high shear in the production process can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a static test report table of the present invention;
FIG. 2 is a graph showing the results of comparative overlay experiments according to the present invention.
Detailed Description
Example one
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe material is composed of the following raw materials in parts by weight: 20 parts of zinc stearate, 6 parts of calcium stearate, 25 parts of zeolite, 1 part of antioxidant, 15 parts of synergistic heat stabilizer, 9 parts of high-end lubricant and 3 parts of polyol; the materials are taken according to the proportioning and the specific metal saponification compound is selected and compounded by a special technology.
The application method of the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe comprises the following steps: a. the stability efficiency is enhanced by ultra-dispersion treatment and micro-nano treatment; b. viscosity reduction treatment is carried out to protect molecular chains; c. solid plasticizing treatment, and strengthening plasticizing quality and final product quality; d. the three methods are combined and added into the high-speed extrusion production process.
Zinc stearate is an organic substance with a chemical formula of C36H70O4Zn, is white powder, and is insoluble in water. Mainly used as a lubricant and a release agent of styrene resin, phenolic resin and amino resin. Meanwhile, the rubber also has the functions of a vulcanization activator and a softener. The application and the use method are as follows: zinc stearate can be used as a heat stabilizer; a lubricant; lubricating grease; an accelerator; thickeners, and the like. For example, it is generally used as a heat stabilizer for PVC resins. For general industrial transparent articles; it can be used with calcium soap for nontoxic products, and is usually used for soft products, but in recent years, hard transparent products such as mineral water bottle, water supply pipe, etc. have been used, and the product has good lubricity, and can improve scale precipitation phenomenon, and can also be used as lubricant, mold release agent, flatting agent for paint, and additive for coating.
Calcium stearate is an organic compound with a molecular formula of C36H70CaO4, is white powder, is insoluble in water, and can be used as a water repellent, a lubricant, a plastic additive and the like. Used as heat stabilizer for PVC and lubricant and demolding agent for plastic processing. In the hard product, the gelation rate can be increased by blending with a basic lead salt or a lead soap. Also used for food packaging, medical appliances and other soft films and appliances which require no toxicity. It can also be used as halogen absorbent for polyethylene and polypropylene to eliminate the adverse effect of residual catalyst on color and stability. The plasticizer is used as a plasticizer in rubber processing, can soften natural rubber and all-formed rubber, and has almost no influence on vulcanization. It is also used as lubricant for polyolefin fiber and molding material, thickening agent for lubricating grease, water-proofing agent for textile, flatting agent for paint, plasticizer for making plastic record, etc. Polyethylene and polypropylene as halogen absorbent; lubricants and release agents for thermosetting plastics such as phenol and amino; thickening agents for greases; a water repellent for water repellent fabrics; flatting agent for paint, lubricant for pencil lead, etc. Food grade calcium stearate is used as an anticaking agent. Calcium stearate is also used in pencil lead production and in the pharmaceutical and perfumery industries.
Example two
Referring to fig. 1-2, the present embodiment is different from the first embodiment in that: the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe material is composed of the following raw materials in parts by weight: 24 parts of zinc stearate, 8 parts of calcium stearate, 30 parts of zeolite, 2 parts of antioxidant, 20 parts of synergistic heat stabilizer, 12 parts of high-end lubricant and 5 parts of polyol;
the other raw material compositions and the preparation method are the same as the first embodiment.
EXAMPLE III
Referring to fig. 1-2, the present embodiment is different from the first embodiment in that: the environment-friendly calcium-zinc stabilizer applied to the high-speed extruded PVC-U national standard drainage pipe material is composed of the following raw materials in parts by weight: 26 parts of zinc stearate, 10 parts of calcium stearate, 35 parts of zeolite, 3 parts of antioxidant, 25 parts of synergistic heat stabilizer, 15 parts of high-end lubricant and 7 parts of polyol;
the other raw material compositions and the preparation method are the same as the first embodiment.
After the technical scheme is adopted, the invention has the beneficial effects that: the PVC-U drainage pipe material is compounded by selecting specific metal saponification compounds and a proprietary technology, and the PVC-U drainage pipe material can keep higher plasticity and is uniformly dispersed, the yield can reach 25 tons per production line every day, the product reaches the relevant national and industrial standards and requirements, the defects that a common environment-friendly stabilizer is easy to separate out and the stability at a later stage is insufficient are overcome, and the stability problem under high shear in the production process can be solved.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The high-speed extruded PVC-U national standard drainage pipe material is applied with an environment-friendly calcium-zinc stabilizer, and is characterized by comprising the following raw materials in parts by weight: 20-26 parts of zinc stearate, 6-10 parts of calcium stearate, 25-35 parts of zeolite, 1-3 parts of antioxidant, 15-25 parts of synergistic heat stabilizer, 9-15 parts of high-end lubricant and 3-7 parts of polyol; the materials are taken according to the proportioning and the specific metal saponification compound is selected and compounded by a special technology.
2. The high-speed extruded PVC-U national standard drainage pipe material applied with the environment-friendly calcium-zinc stabilizer according to claim 1 is characterized by comprising the following four points: a. the stability efficiency is enhanced by ultra-dispersion treatment and micro-nano treatment; b. viscosity reduction treatment is carried out to protect molecular chains; c. solid plasticizing treatment, and strengthening plasticizing quality and final product quality; d. the three methods are combined and added into the high-speed extrusion production process.
3. The high-speed extruded PVC-U national standard drainage pipe material applied environment-friendly calcium zinc stabilizer according to claim 1 is characterized by comprising the following raw materials in parts by weight: 20 parts of zinc stearate, 6 parts of calcium stearate, 25 parts of zeolite, 1 part of antioxidant, 15 parts of synergistic heat stabilizer, 9 parts of high-end lubricant and 3 parts of polyol.
4. The high-speed extruded PVC-U national standard drainage pipe material applied environment-friendly calcium zinc stabilizer according to claim 1 is characterized by comprising the following raw materials in parts by weight: 24 parts of zinc stearate, 8 parts of calcium stearate, 30 parts of zeolite, 2 parts of antioxidant, 20 parts of synergistic heat stabilizer, 12 parts of high-end lubricant and 5 parts of polyol.
5. The high-speed extruded PVC-U national standard drainage pipe material applied environment-friendly calcium zinc stabilizer according to claim 1 is characterized by comprising the following raw materials in parts by weight: 26 parts of zinc stearate, 10 parts of calcium stearate, 35 parts of zeolite, 3 parts of antioxidant, 25 parts of synergistic heat stabilizer, 15 parts of high-end lubricant and 7 parts of polyol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151265.1A CN112940412A (en) | 2021-02-03 | 2021-02-03 | Environment-friendly calcium-zinc stabilizer applied to high-speed extruded PVC-U national standard drainage pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110151265.1A CN112940412A (en) | 2021-02-03 | 2021-02-03 | Environment-friendly calcium-zinc stabilizer applied to high-speed extruded PVC-U national standard drainage pipe |
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| CN112940412A true CN112940412A (en) | 2021-06-11 |
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| CN202110151265.1A Pending CN112940412A (en) | 2021-02-03 | 2021-02-03 | Environment-friendly calcium-zinc stabilizer applied to high-speed extruded PVC-U national standard drainage pipe |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302278A (en) * | 2008-06-27 | 2008-11-12 | 山东慧科助剂有限公司 | Hyper-dispersant for polychloroethylene heat stabilizer |
| CN103570973A (en) * | 2013-10-30 | 2014-02-12 | 芜湖海螺型材科技股份有限公司 | High-speed extruded calcium-zinc compound stabilizer |
-
2021
- 2021-02-03 CN CN202110151265.1A patent/CN112940412A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302278A (en) * | 2008-06-27 | 2008-11-12 | 山东慧科助剂有限公司 | Hyper-dispersant for polychloroethylene heat stabilizer |
| CN103570973A (en) * | 2013-10-30 | 2014-02-12 | 芜湖海螺型材科技股份有限公司 | High-speed extruded calcium-zinc compound stabilizer |
Non-Patent Citations (1)
| Title |
|---|
| 郑德等: "《热稳定剂的生产应用及进展》", 30 June 2011, 国防工业出版社 * |
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