CN112940352A - Environment-friendly calcium-zinc stabilizer for high-speed extrusion SPC (SPC) floor - Google Patents
Environment-friendly calcium-zinc stabilizer for high-speed extrusion SPC (SPC) floor Download PDFInfo
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- CN112940352A CN112940352A CN202110151271.7A CN202110151271A CN112940352A CN 112940352 A CN112940352 A CN 112940352A CN 202110151271 A CN202110151271 A CN 202110151271A CN 112940352 A CN112940352 A CN 112940352A
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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
- 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
- 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
- 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
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Abstract
An environment-friendly calcium-zinc stabilizer applied to a high-speed extrusion SPC floor relates to the technical field of environment-friendly material production aids. The composite material consists of the following raw materials in parts by weight: 22-28 parts of zinc stearate, 3-7 parts of calcium stearate, 30-40 parts of zeolite, 1-3 parts of antioxidant, 10-15 parts of synergistic heat stabilizer, 5-11 parts of high-end lubricant and 8-12 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 process of the spc floor, has higher plasticizing performance and uniform dispersion, the yield can reach 55 tons per day of each production line, the product reaches the relevant national and industrial standards, and the defects of easy precipitation and insufficient later-stage stability of the common environment-friendly stabilizer, especially the stability problem under high shearing in the production process, are solved.
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 extrusion SPC floor.
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 SPC lock floor consists of a thickened wear-resistant layer, a UV layer, a color film texture layer and a base material layer. The European and American countries call the floor RVP (rigid vinyl plant), rigid plastic floor. The base material is a composite board which is prepared by uniformly stirring stone powder and a thermoplastic polymer material and then extruding the mixture at high temperature, and simultaneously has the performance and characteristics of wood and plastic, so that the strength and toughness of the floor are ensured. The locking technology is that the floor boards are connected in a mutually meshed mode through the inverted tenon (s ǔ n) on the periphery of the floor boards, so that the floor boards are assembled into an integral structural form. The locking technology realizes self-connection without any external accessory, and is an advanced floor structure in the industry. Especially after the rise of geothermal heat, the industry has gradually recognized, through trial and error: the latch floor can be directly laid on a floor heater to ensure the heat conduction effect of the floor heater; meanwhile, the lock catch can ensure the stability of the floor. The multifunctional intelligent desk is widely applied to various places such as indoor families, hospitals, learning, office buildings, factories, public places, supermarkets, businesses, gymnasiums and the like. PVC-U pipes are usually produced by high-speed extrusion, and stabilizers are usually used in the production process, but the existing stabilizers have the following disadvantages: a. the thermal stability is insufficient, and the color is easy to decompose and change in the production process of high-speed extrusion; b. the plasticizing is not uniform in the high-speed extrusion molding process of the spc floor, and the plasticizing is easy to separate out, 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 for high-speed extrusion of SPC (SPC) floors, which is prepared by selecting specific metal soap compounds and compounding the metal soap compounds by a special 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: 22-28 parts of zinc stearate, 3-7 parts of calcium stearate, 30-40 parts of zeolite, 1-3 parts of antioxidant, 10-15 parts of synergistic heat stabilizer, 5-11 parts of high-end lubricant and 8-12 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: 22 parts of zinc stearate, 3 parts of calcium stearate, 30 parts of zeolite, 1 part of antioxidant, 10 parts of synergistic heat stabilizer, 5 parts of high-end lubricant and 8 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: 25 parts of zinc stearate, 5 parts of calcium stearate, 35 parts of zeolite, 2 parts of antioxidant, 13 parts of synergistic heat stabilizer, 8 parts of high-end lubricant and 10 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: 28 parts of zinc stearate, 7 parts of calcium stearate, 40 parts of zeolite, 3 parts of antioxidant, 15 parts of synergistic heat stabilizer, 11 parts of high-end lubricant and 12 parts of polyol;
the working principle of the invention is as follows: the environment-friendly calcium-zinc stabilizer is applied to the high-speed extrusion production and processing of the SPC floor by selecting the specific metal saponification compound and compounding the special technology, so that the plasticizing performance is improved, the yield is improved, the national and industrial standards are compounded, the production cost is reduced, and the income is increased.
After the technical scheme is adopted, the invention has the beneficial effects that: the special metal soap compound is selected and compounded by a special technology, the high-speed extrusion process is applied to the spc floor high-speed extrusion process, the plasticizing performance is high, the dispersion is uniform, the yield can reach 55 tons per day of each production line, the product reaches the relevant national and industrial standards, the defects that a common environment-friendly stabilizer is easy to separate out and the stability at the later stage is insufficient are overcome, and the stability problem under high shearing 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: 22 parts of zinc stearate, 3 parts of calcium stearate, 30 parts of zeolite, 1 part of antioxidant, 10 parts of synergistic heat stabilizer, 5 parts of high-end lubricant and 8 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
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: 25 parts of zinc stearate, 5 parts of calcium stearate, 35 parts of zeolite, 2 parts of antioxidant, 13 parts of synergistic heat stabilizer, 8 parts of high-end lubricant and 10 parts of polyol;
the other raw material compositions and the preparation method are the same as the first embodiment.
EXAMPLE III
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: 28 parts of zinc stearate, 7 parts of calcium stearate, 40 parts of zeolite, 3 parts of antioxidant, 15 parts of synergistic heat stabilizer, 11 parts of high-end lubricant and 12 parts of polyol;
the other raw material compositions and the preparation method are the same as the first embodiment.
The special metal saponification compound is selected and compounded by a special technology, the high-speed extrusion process is applied to the spc floor, the plasticizing performance is high, the dispersion is uniform, the yield can reach 55 tons per day of each production line, the product reaches the relevant national and industrial standards, the defects that a common environment-friendly stabilizer is easy to separate out and the stability at the later stage is insufficient are overcome, and the stability problem under high shearing 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 environment-friendly calcium-zinc stabilizer for the high-speed extrusion SPC floor is characterized by comprising the following raw materials in parts by weight: 22-28 parts of zinc stearate, 3-7 parts of calcium stearate, 30-40 parts of zeolite, 1-3 parts of antioxidant, 10-15 parts of synergistic heat stabilizer, 5-11 parts of high-end lubricant and 8-12 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 extrusion SPC flooring application environment friendly calcium zinc stabilizer according to claim 1 characterized in that it 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.
3. The high speed extrusion SPC flooring application environment friendly calcium zinc stabilizer according to claim 1, characterized by: 22 parts of zinc stearate, 3 parts of calcium stearate, 30 parts of zeolite, 1 part of antioxidant, 10 parts of synergistic heat stabilizer, 5 parts of high-end lubricant and 8 parts of polyol.
4. The high speed extrusion SPC flooring application environment friendly calcium zinc stabilizer according to claim 1, characterized by: 25 parts of zinc stearate, 5 parts of calcium stearate, 35 parts of zeolite, 2 parts of antioxidant, 13 parts of synergistic heat stabilizer, 8 parts of high-end lubricant and 10 parts of polyol.
5. The high speed extrusion SPC flooring application environment friendly calcium zinc stabilizer according to claim 1, characterized by: 28 parts of zinc stearate, 7 parts of calcium stearate, 40 parts of zeolite, 3 parts of antioxidant, 15 parts of synergistic heat stabilizer, 11 parts of high-end lubricant and 12 parts of polyol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110151271.7A CN112940352A (en) | 2021-02-03 | 2021-02-03 | Environment-friendly calcium-zinc stabilizer for high-speed extrusion SPC (SPC) floor |
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| CN202110151271.7A CN112940352A (en) | 2021-02-03 | 2021-02-03 | Environment-friendly calcium-zinc stabilizer for high-speed extrusion SPC (SPC) floor |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860324A (en) * | 2016-04-18 | 2016-08-17 | 重庆理工大学 | Superfine zeolite and calcium zinc composite heat stabilizer |
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- 2021-02-03 CN CN202110151271.7A patent/CN112940352A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860324A (en) * | 2016-04-18 | 2016-08-17 | 重庆理工大学 | Superfine zeolite and calcium zinc composite heat stabilizer |
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Application publication date: 20210611 |
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